diff --git a/README.md b/README.md index 4f0b6bb..68da89b 100644 --- a/README.md +++ b/README.md @@ -1,94 +1,94 @@  

WriteFreely


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  WriteFreely is a beautifully pared-down blogging platform that's simple on the surface, yet powerful underneath. It's designed to be flexible and share your writing widely, so it's built around plain text and can publish to the _fediverse_ via ActivityPub. It's easy to install and light enough to run on a Raspberry Pi. [Try the editor](https://write.as/new) [Find an instance](https://writefreely.org/instances) ## Features * Start a blog for yourself, or host a community of writers * Form larger federated networks, and interact over modern protocols like ActivityPub * Write on a fast, dead-simple, and distraction-free editor * [Format text](https://howto.write.as/getting-started) with Markdown * [Organize posts](https://howto.write.as/organization) with hashtags * Create [static pages](https://howto.write.as/creating-a-static-page) * Publish drafts and let others proofread them by sharing a private link * Create multiple lightweight blogs under a single account * Export all data in plain text files * Read a stream of other posts in your writing community * Build more advanced apps and extensions with the [well-documented API](https://developers.write.as/docs/api/) * Designed around user privacy and consent ## Hosting -We offer two kinds of hosting services that make WriteFreely deployment painless: [Write.as](https://write.as) for individuals, and [WriteFreely.host](https://writefreely.host) for communities. Besides saving you time, as a customer you directly help fund WriteFreely development. +We offer two kinds of hosting services that make WriteFreely deployment painless: [Write.as Pro](https://write.as/pro) for individuals, and [Write.as for Teams](https://write.as/for/teams) for businesses. Besides saving you time and effort, both services directly fund WriteFreely development and ensure the long-term sustainability of our open source work. -### [![Write.as](https://write.as/img/writeas-wf-readme.png)](https://write.as/) +### [![Write.as Pro](https://writefreely.org/img/writeas-pro-readme.png)](https://write.as/pro) -Start a personal blog on [Write.as](https://write.as), our flagship instance. Built to eliminate setup friction and preserve your privacy, Write.as helps you start a blog in seconds. It supports custom domains (with SSL) and multiple blogs / pen names per account. [Read more here](https://write.as/pricing). +Start a personal blog on [Write.as](https://write.as), our flagship instance. Built to eliminate setup friction and preserve your privacy, Write.as helps you start a blog in seconds. It supports custom domains (with SSL) and multiple blogs / pen names per account. [Read more here](https://write.as/pro). -### [![WriteFreely.host](https://writefreely.host/img/wfhost-wf-readme.png)](https://writefreely.host) +### [![Write.as for Teams](https://writefreely.org/img/writeas-for-teams-readme.png)](https://write.as/for/teams) -[WriteFreely.host](https://writefreely.host) makes it easy to start a close-knit community — to share knowledge, complement your Mastodon instance, or publish updates in your organization. We take care of the hosting, upgrades, backups, and maintenance so you can focus on writing. +[Write.as for Teams](https://write.as/for/teams) gives your organization, business, or [open source project](https://write.as/for/open-source) a clutter-free space to share updates or proposals and build your collective knowledge. We take care of hosting, upgrades, backups, and maintenance so your team can focus on writing. ## Quick start WriteFreely has minimal requirements to get up and running — you only need to be able to run an executable. > **Note** this is currently alpha software. We're quickly moving out of this v0.x stage, but while we're in it, there are no guarantees that this is ready for production use. To get started, head over to our [Getting Started guide](https://writefreely.org/start). For production use, jump to the [Running in Production](https://writefreely.org/start#production) section. ## Packages WriteFreely is available in these package repositories: * [Arch User Repository](https://aur.archlinux.org/packages/writefreely/) ## Documentation Read our full [documentation on WriteFreely.org](https://writefreely.org/docs). Help us improve by contributing to the [writefreely/documentation](https://github.com/writefreely/documentation) repo. ## Development Ready to hack on your site? Get started with our [developer guide](https://writefreely.org/docs/latest/developer/setup). ## Docker Read about using Docker in the [documentation](https://writefreely.org/docs/latest/admin/docker). ## Contributing We gladly welcome contributions to WriteFreely, whether in the form of [code](https://github.com/writeas/writefreely/blob/master/CONTRIBUTING.md#contributing-to-writefreely), [bug reports](https://github.com/writeas/writefreely/issues/new?template=bug_report.md), [feature requests](https://discuss.write.as/c/feedback/feature-requests), [translations](https://poeditor.com/join/project/TIZ6HFRFdE), or [documentation](https://github.com/writefreely/documentation) improvements. Before contributing anything, please read our [Contributing Guide](https://github.com/writeas/writefreely/blob/master/CONTRIBUTING.md#contributing-to-writefreely). It describes the correct channels for submitting contributions and any potential requirements. ## License Licensed under the AGPL. diff --git a/account.go b/account.go index 5fb87f0..c41f24d 100644 --- a/account.go +++ b/account.go @@ -1,1099 +1,1099 @@ /* * Copyright © 2018-2019 A Bunch Tell LLC. * * This file is part of WriteFreely. * * WriteFreely is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License, included * in the LICENSE file in this source code package. */ package writefreely import ( "encoding/json" "fmt" "html/template" "net/http" "regexp" "strings" "sync" "time" "github.com/gorilla/mux" "github.com/gorilla/sessions" "github.com/guregu/null/zero" "github.com/writeas/impart" "github.com/writeas/web-core/auth" "github.com/writeas/web-core/data" "github.com/writeas/web-core/log" "github.com/writeas/writefreely/author" "github.com/writeas/writefreely/config" "github.com/writeas/writefreely/page" ) type ( userSettings struct { Username string `schema:"username" json:"username"` Email string `schema:"email" json:"email"` NewPass string `schema:"new-pass" json:"new_pass"` OldPass string `schema:"current-pass" json:"current_pass"` IsLogOut bool `schema:"logout" json:"logout"` } UserPage struct { page.StaticPage PageTitle string Separator template.HTML IsAdmin bool CanInvite bool } ) func NewUserPage(app *App, r *http.Request, u *User, title string, flashes []string) *UserPage { up := &UserPage{ StaticPage: pageForReq(app, r), PageTitle: title, } up.Username = u.Username up.Flashes = flashes up.Path = r.URL.Path up.IsAdmin = u.IsAdmin() up.CanInvite = canUserInvite(app.cfg, up.IsAdmin) return up } func canUserInvite(cfg *config.Config, isAdmin bool) bool { return cfg.App.UserInvites != "" && (isAdmin || cfg.App.UserInvites != "admin") } func (up *UserPage) SetMessaging(u *User) { //up.NeedsAuth = app.db.DoesUserNeedAuth(u.ID) } const ( loginAttemptExpiration = 3 * time.Second ) var actuallyUsernameReg = regexp.MustCompile("username is actually ([a-z0-9\\-]+)\\. Please try that, instead") func apiSignup(app *App, w http.ResponseWriter, r *http.Request) error { _, err := signup(app, w, r) return err } func signup(app *App, w http.ResponseWriter, r *http.Request) (*AuthUser, error) { - reqJSON := IsJSON(r.Header.Get("Content-Type")) + reqJSON := IsJSON(r) // Get params var ur userRegistration if reqJSON { decoder := json.NewDecoder(r.Body) err := decoder.Decode(&ur) if err != nil { log.Error("Couldn't parse signup JSON request: %v\n", err) return nil, ErrBadJSON } } else { // Check if user is already logged in u := getUserSession(app, r) if u != nil { return &AuthUser{User: u}, nil } err := r.ParseForm() if err != nil { log.Error("Couldn't parse signup form request: %v\n", err) return nil, ErrBadFormData } err = app.formDecoder.Decode(&ur, r.PostForm) if err != nil { log.Error("Couldn't decode signup form request: %v\n", err) return nil, ErrBadFormData } } return signupWithRegistration(app, ur, w, r) } func signupWithRegistration(app *App, signup userRegistration, w http.ResponseWriter, r *http.Request) (*AuthUser, error) { - reqJSON := IsJSON(r.Header.Get("Content-Type")) + reqJSON := IsJSON(r) // Validate required params (alias) if signup.Alias == "" { return nil, impart.HTTPError{http.StatusBadRequest, "A username is required."} } if signup.Pass == "" { return nil, impart.HTTPError{http.StatusBadRequest, "A password is required."} } var desiredUsername string if signup.Normalize { // With this option we simply conform the username to what we expect // without complaining. Since they might've done something funny, like // enter: write.as/Way Out There, we'll use their raw input for the new // collection name and sanitize for the slug / username. desiredUsername = signup.Alias signup.Alias = getSlug(signup.Alias, "") } if !author.IsValidUsername(app.cfg, signup.Alias) { // Ensure the username is syntactically correct. return nil, impart.HTTPError{http.StatusPreconditionFailed, "Username is reserved or isn't valid. It must be at least 3 characters long, and can only include letters, numbers, and hyphens."} } // Handle empty optional params // TODO: remove this var createdWithPass := true hashedPass, err := auth.HashPass([]byte(signup.Pass)) if err != nil { return nil, impart.HTTPError{http.StatusInternalServerError, "Could not create password hash."} } // Create struct to insert u := &User{ Username: signup.Alias, HashedPass: hashedPass, HasPass: createdWithPass, Email: zero.NewString("", signup.Email != ""), Created: time.Now().Truncate(time.Second).UTC(), } if signup.Email != "" { encEmail, err := data.Encrypt(app.keys.EmailKey, signup.Email) if err != nil { log.Error("Unable to encrypt email: %s\n", err) } else { u.Email.String = string(encEmail) } } // Create actual user if err := app.db.CreateUser(app.cfg, u, desiredUsername); err != nil { return nil, err } // Log invite if needed if signup.InviteCode != "" { cu, err := app.db.GetUserForAuth(signup.Alias) if err != nil { return nil, err } err = app.db.CreateInvitedUser(signup.InviteCode, cu.ID) if err != nil { return nil, err } } // Add back unencrypted data for response if signup.Email != "" { u.Email.String = signup.Email } resUser := &AuthUser{ User: u, } if !createdWithPass { resUser.Password = signup.Pass } title := signup.Alias if signup.Normalize { title = desiredUsername } resUser.Collections = &[]Collection{ { Alias: signup.Alias, Title: title, }, } var token string if reqJSON && !signup.Web { token, err = app.db.GetAccessToken(u.ID) if err != nil { return nil, impart.HTTPError{http.StatusInternalServerError, "Could not create access token. Try re-authenticating."} } resUser.AccessToken = token } else { session, err := app.sessionStore.Get(r, cookieName) if err != nil { // The cookie should still save, even if there's an error. // Source: https://github.com/gorilla/sessions/issues/16#issuecomment-143642144 log.Error("Session: %v; ignoring", err) } session.Values[cookieUserVal] = resUser.User.Cookie() err = session.Save(r, w) if err != nil { log.Error("Couldn't save session: %v", err) return nil, err } } if reqJSON { return resUser, impart.WriteSuccess(w, resUser, http.StatusCreated) } return resUser, nil } func viewLogout(app *App, w http.ResponseWriter, r *http.Request) error { session, err := app.sessionStore.Get(r, cookieName) if err != nil { return ErrInternalCookieSession } // Ensure user has an email or password set before they go, so they don't // lose access to their account. val := session.Values[cookieUserVal] var u = &User{} var ok bool if u, ok = val.(*User); !ok { log.Error("Error casting user object on logout. Vals: %+v Resetting cookie.", session.Values) err = session.Save(r, w) if err != nil { log.Error("Couldn't save session on logout: %v", err) return impart.HTTPError{http.StatusInternalServerError, "Unable to save cookie session."} } return impart.HTTPError{http.StatusFound, "/"} } u, err = app.db.GetUserByID(u.ID) if err != nil && err != ErrUserNotFound { return impart.HTTPError{http.StatusInternalServerError, "Unable to fetch user information."} } session.Options.MaxAge = -1 err = session.Save(r, w) if err != nil { log.Error("Couldn't save session on logout: %v", err) return impart.HTTPError{http.StatusInternalServerError, "Unable to save cookie session."} } return impart.HTTPError{http.StatusFound, "/"} } func handleAPILogout(app *App, w http.ResponseWriter, r *http.Request) error { accessToken := r.Header.Get("Authorization") if accessToken == "" { return ErrNoAccessToken } t := auth.GetToken(accessToken) if len(t) == 0 { return ErrNoAccessToken } err := app.db.DeleteToken(t) if err != nil { return err } return impart.HTTPError{Status: http.StatusNoContent} } func viewLogin(app *App, w http.ResponseWriter, r *http.Request) error { var earlyError string oneTimeToken := r.FormValue("with") if oneTimeToken != "" { log.Info("Calling login with one-time token.") err := login(app, w, r) if err != nil { log.Info("Received error: %v", err) earlyError = fmt.Sprintf("%s", err) } } session, err := app.sessionStore.Get(r, cookieName) if err != nil { // Ignore this log.Error("Unable to get session; ignoring: %v", err) } p := &struct { page.StaticPage To string Message template.HTML Flashes []template.HTML LoginUsername string }{ pageForReq(app, r), r.FormValue("to"), template.HTML(""), []template.HTML{}, getTempInfo(app, "login-user", r, w), } if earlyError != "" { p.Flashes = append(p.Flashes, template.HTML(earlyError)) } // Display any error messages flashes, _ := getSessionFlashes(app, w, r, session) for _, flash := range flashes { p.Flashes = append(p.Flashes, template.HTML(flash)) } err = pages["login.tmpl"].ExecuteTemplate(w, "base", p) if err != nil { log.Error("Unable to render login: %v", err) return err } return nil } func webLogin(app *App, w http.ResponseWriter, r *http.Request) error { err := login(app, w, r) if err != nil { username := r.FormValue("alias") // Login request was unsuccessful; save the error in the session and redirect them if err, ok := err.(impart.HTTPError); ok { session, _ := app.sessionStore.Get(r, cookieName) if session != nil { session.AddFlash(err.Message) session.Save(r, w) } if m := actuallyUsernameReg.FindStringSubmatch(err.Message); len(m) > 0 { // Retain fixed username recommendation for the login form username = m[1] } } // Pass along certain information saveTempInfo(app, "login-user", username, r, w) // Retain post-login URL if one was given redirectTo := "/login" postLoginRedirect := r.FormValue("to") if postLoginRedirect != "" { redirectTo += "?to=" + postLoginRedirect } log.Error("Unable to login: %v", err) return impart.HTTPError{http.StatusTemporaryRedirect, redirectTo} } return nil } var loginAttemptUsers = sync.Map{} func login(app *App, w http.ResponseWriter, r *http.Request) error { - reqJSON := IsJSON(r.Header.Get("Content-Type")) + reqJSON := IsJSON(r) oneTimeToken := r.FormValue("with") verbose := r.FormValue("all") == "true" || r.FormValue("verbose") == "1" || r.FormValue("verbose") == "true" || (reqJSON && oneTimeToken != "") redirectTo := r.FormValue("to") if redirectTo == "" { if app.cfg.App.SingleUser { redirectTo = "/me/new" } else { redirectTo = "/" } } var u *User var err error var signin userCredentials // Log in with one-time token if one is given if oneTimeToken != "" { log.Info("Login: Logging user in via token.") userID := app.db.GetUserID(oneTimeToken) if userID == -1 { log.Error("Login: Got user -1 from token") err := ErrBadAccessToken err.Message = "Expired or invalid login code." return err } log.Info("Login: Found user %d.", userID) u, err = app.db.GetUserByID(userID) if err != nil { log.Error("Unable to fetch user on one-time token login: %v", err) return impart.HTTPError{http.StatusInternalServerError, "There was an error retrieving the user you want."} } log.Info("Login: Got user via token") } else { // Get params if reqJSON { decoder := json.NewDecoder(r.Body) err := decoder.Decode(&signin) if err != nil { log.Error("Couldn't parse signin JSON request: %v\n", err) return ErrBadJSON } } else { err := r.ParseForm() if err != nil { log.Error("Couldn't parse signin form request: %v\n", err) return ErrBadFormData } err = app.formDecoder.Decode(&signin, r.PostForm) if err != nil { log.Error("Couldn't decode signin form request: %v\n", err) return ErrBadFormData } } log.Info("Login: Attempting login for '%s'", signin.Alias) // Validate required params (all) if signin.Alias == "" { msg := "Parameter `alias` required." if signin.Web { msg = "A username is required." } return impart.HTTPError{http.StatusBadRequest, msg} } if !signin.EmailLogin && signin.Pass == "" { msg := "Parameter `pass` required." if signin.Web { msg = "A password is required." } return impart.HTTPError{http.StatusBadRequest, msg} } // Prevent excessive login attempts on the same account // Skip this check in dev environment if !app.cfg.Server.Dev { now := time.Now() attemptExp, att := loginAttemptUsers.LoadOrStore(signin.Alias, now.Add(loginAttemptExpiration)) if att { if attemptExpTime, ok := attemptExp.(time.Time); ok { if attemptExpTime.After(now) { // This user attempted previously, and the period hasn't expired yet return impart.HTTPError{http.StatusTooManyRequests, "You're doing that too much."} } else { // This user attempted previously, but the time expired; free up space loginAttemptUsers.Delete(signin.Alias) } } else { log.Error("Unable to cast expiration to time") } } } // Retrieve password u, err = app.db.GetUserForAuth(signin.Alias) if err != nil { log.Info("Unable to getUserForAuth on %s: %v", signin.Alias, err) if strings.IndexAny(signin.Alias, "@") > 0 { log.Info("Suggesting: %s", ErrUserNotFoundEmail.Message) return ErrUserNotFoundEmail } return err } // Authenticate if u.Email.String == "" { // User has no email set, so check if they haven't added a password, either, // so we can return a more helpful error message. if hasPass, _ := app.db.IsUserPassSet(u.ID); !hasPass { log.Info("Tried logging in to %s, but no password or email.", signin.Alias) return impart.HTTPError{http.StatusPreconditionFailed, "This user never added a password or email address. Please contact us for help."} } } if !auth.Authenticated(u.HashedPass, []byte(signin.Pass)) { return impart.HTTPError{http.StatusUnauthorized, "Incorrect password."} } } if reqJSON && !signin.Web { var token string if r.Header.Get("User-Agent") == "" { // Get last created token when User-Agent is empty token = app.db.FetchLastAccessToken(u.ID) if token == "" { token, err = app.db.GetAccessToken(u.ID) } } else { token, err = app.db.GetAccessToken(u.ID) } if err != nil { log.Error("Login: Unable to create access token: %v", err) return impart.HTTPError{http.StatusInternalServerError, "Could not create access token. Try re-authenticating."} } resUser := getVerboseAuthUser(app, token, u, verbose) return impart.WriteSuccess(w, resUser, http.StatusOK) } session, err := app.sessionStore.Get(r, cookieName) if err != nil { // The cookie should still save, even if there's an error. log.Error("Login: Session: %v; ignoring", err) } // Remove unwanted data session.Values[cookieUserVal] = u.Cookie() err = session.Save(r, w) if err != nil { log.Error("Login: Couldn't save session: %v", err) // TODO: return error } // Send success if reqJSON { return impart.WriteSuccess(w, &AuthUser{User: u}, http.StatusOK) } log.Info("Login: Redirecting to %s", redirectTo) w.Header().Set("Location", redirectTo) w.WriteHeader(http.StatusFound) return nil } func getVerboseAuthUser(app *App, token string, u *User, verbose bool) *AuthUser { resUser := &AuthUser{ AccessToken: token, User: u, } // Fetch verbose user data if requested if verbose { posts, err := app.db.GetUserPosts(u) if err != nil { log.Error("Login: Unable to get user posts: %v", err) } colls, err := app.db.GetCollections(u, app.cfg.App.Host) if err != nil { log.Error("Login: Unable to get user collections: %v", err) } passIsSet, err := app.db.IsUserPassSet(u.ID) if err != nil { // TODO: correct error meesage log.Error("Login: Unable to get user collections: %v", err) } resUser.Posts = posts resUser.Collections = colls resUser.User.HasPass = passIsSet } return resUser } func viewExportOptions(app *App, u *User, w http.ResponseWriter, r *http.Request) error { // Fetch extra user data p := NewUserPage(app, r, u, "Export", nil) showUserPage(w, "export", p) return nil } func viewExportPosts(app *App, w http.ResponseWriter, r *http.Request) ([]byte, string, error) { var filename string var u = &User{} - reqJSON := IsJSON(r.Header.Get("Content-Type")) + reqJSON := IsJSON(r) if reqJSON { // Use given Authorization header accessToken := r.Header.Get("Authorization") if accessToken == "" { return nil, filename, ErrNoAccessToken } userID := app.db.GetUserID(accessToken) if userID == -1 { return nil, filename, ErrBadAccessToken } var err error u, err = app.db.GetUserByID(userID) if err != nil { return nil, filename, impart.HTTPError{http.StatusInternalServerError, "Unable to retrieve requested user."} } } else { // Use user cookie session, err := app.sessionStore.Get(r, cookieName) if err != nil { // The cookie should still save, even if there's an error. log.Error("Session: %v; ignoring", err) } val := session.Values[cookieUserVal] var ok bool if u, ok = val.(*User); !ok { return nil, filename, ErrNotLoggedIn } } filename = u.Username + "-posts-" + time.Now().Truncate(time.Second).UTC().Format("200601021504") // Fetch data we're exporting var err error var data []byte posts, err := app.db.GetUserPosts(u) if err != nil { return data, filename, err } // Export as CSV if strings.HasSuffix(r.URL.Path, ".csv") { - data = exportPostsCSV(u, posts) + data = exportPostsCSV(app.cfg.App.Host, u, posts) return data, filename, err } if strings.HasSuffix(r.URL.Path, ".zip") { data = exportPostsZip(u, posts) return data, filename, err } if r.FormValue("pretty") == "1" { data, err = json.MarshalIndent(posts, "", "\t") } else { data, err = json.Marshal(posts) } return data, filename, err } func viewExportFull(app *App, w http.ResponseWriter, r *http.Request) ([]byte, string, error) { var err error filename := "" u := getUserSession(app, r) if u == nil { return nil, filename, ErrNotLoggedIn } filename = u.Username + "-" + time.Now().Truncate(time.Second).UTC().Format("200601021504") exportUser := compileFullExport(app, u) var data []byte if r.FormValue("pretty") == "1" { data, err = json.MarshalIndent(exportUser, "", "\t") } else { data, err = json.Marshal(exportUser) } return data, filename, err } func viewMeAPI(app *App, w http.ResponseWriter, r *http.Request) error { - reqJSON := IsJSON(r.Header.Get("Content-Type")) + reqJSON := IsJSON(r) uObj := struct { ID int64 `json:"id,omitempty"` Username string `json:"username,omitempty"` }{} var err error if reqJSON { _, uObj.Username, err = app.db.GetUserDataFromToken(r.Header.Get("Authorization")) if err != nil { return err } } else { u := getUserSession(app, r) if u == nil { return impart.WriteSuccess(w, uObj, http.StatusOK) } uObj.Username = u.Username } return impart.WriteSuccess(w, uObj, http.StatusOK) } func viewMyPostsAPI(app *App, u *User, w http.ResponseWriter, r *http.Request) error { - reqJSON := IsJSON(r.Header.Get("Content-Type")) + reqJSON := IsJSON(r) if !reqJSON { return ErrBadRequestedType } var err error p := GetPostsCache(u.ID) if p == nil { userPostsCache.Lock() if userPostsCache.users[u.ID].ready == nil { userPostsCache.users[u.ID] = postsCacheItem{ready: make(chan struct{})} userPostsCache.Unlock() p, err = app.db.GetUserPosts(u) if err != nil { return err } CachePosts(u.ID, p) } else { userPostsCache.Unlock() <-userPostsCache.users[u.ID].ready p = GetPostsCache(u.ID) } } return impart.WriteSuccess(w, p, http.StatusOK) } func viewMyCollectionsAPI(app *App, u *User, w http.ResponseWriter, r *http.Request) error { - reqJSON := IsJSON(r.Header.Get("Content-Type")) + reqJSON := IsJSON(r) if !reqJSON { return ErrBadRequestedType } p, err := app.db.GetCollections(u, app.cfg.App.Host) if err != nil { return err } return impart.WriteSuccess(w, p, http.StatusOK) } func viewArticles(app *App, u *User, w http.ResponseWriter, r *http.Request) error { p, err := app.db.GetAnonymousPosts(u) if err != nil { log.Error("unable to fetch anon posts: %v", err) } // nil-out AnonymousPosts slice for easy detection in the template if p != nil && len(*p) == 0 { p = nil } f, err := getSessionFlashes(app, w, r, nil) if err != nil { log.Error("unable to fetch flashes: %v", err) } c, err := app.db.GetPublishableCollections(u, app.cfg.App.Host) if err != nil { log.Error("unable to fetch collections: %v", err) } suspended, err := app.db.IsUserSuspended(u.ID) if err != nil { log.Error("view articles: %v", err) } d := struct { *UserPage AnonymousPosts *[]PublicPost Collections *[]Collection Suspended bool }{ UserPage: NewUserPage(app, r, u, u.Username+"'s Posts", f), AnonymousPosts: p, Collections: c, Suspended: suspended, } d.UserPage.SetMessaging(u) w.Header().Set("Cache-Control", "no-cache, no-store, must-revalidate") w.Header().Set("Expires", "Thu, 04 Oct 1990 20:00:00 GMT") showUserPage(w, "articles", d) return nil } func viewCollections(app *App, u *User, w http.ResponseWriter, r *http.Request) error { c, err := app.db.GetCollections(u, app.cfg.App.Host) if err != nil { log.Error("unable to fetch collections: %v", err) return fmt.Errorf("No collections") } f, _ := getSessionFlashes(app, w, r, nil) uc, _ := app.db.GetUserCollectionCount(u.ID) // TODO: handle any errors suspended, err := app.db.IsUserSuspended(u.ID) if err != nil { log.Error("view collections %v", err) return fmt.Errorf("view collections: %v", err) } d := struct { *UserPage Collections *[]Collection UsedCollections, TotalCollections int NewBlogsDisabled bool Suspended bool }{ UserPage: NewUserPage(app, r, u, u.Username+"'s Blogs", f), Collections: c, UsedCollections: int(uc), NewBlogsDisabled: !app.cfg.App.CanCreateBlogs(uc), Suspended: suspended, } d.UserPage.SetMessaging(u) showUserPage(w, "collections", d) return nil } func viewEditCollection(app *App, u *User, w http.ResponseWriter, r *http.Request) error { vars := mux.Vars(r) c, err := app.db.GetCollection(vars["collection"]) if err != nil { return err } if c.OwnerID != u.ID { return ErrCollectionNotFound } suspended, err := app.db.IsUserSuspended(u.ID) if err != nil { log.Error("view edit collection %v", err) return fmt.Errorf("view edit collection: %v", err) } flashes, _ := getSessionFlashes(app, w, r, nil) obj := struct { *UserPage *Collection Suspended bool }{ UserPage: NewUserPage(app, r, u, "Edit "+c.DisplayTitle(), flashes), Collection: c, Suspended: suspended, } showUserPage(w, "collection", obj) return nil } func updateSettings(app *App, w http.ResponseWriter, r *http.Request) error { - reqJSON := IsJSON(r.Header.Get("Content-Type")) + reqJSON := IsJSON(r) var s userSettings var u *User var sess *sessions.Session var err error if reqJSON { accessToken := r.Header.Get("Authorization") if accessToken == "" { return ErrNoAccessToken } u, err = app.db.GetAPIUser(accessToken) if err != nil { return ErrBadAccessToken } decoder := json.NewDecoder(r.Body) err := decoder.Decode(&s) if err != nil { log.Error("Couldn't parse settings JSON request: %v\n", err) return ErrBadJSON } // Prevent all username updates // TODO: support changing username via JSON API request s.Username = "" } else { u, sess = getUserAndSession(app, r) if u == nil { return ErrNotLoggedIn } err := r.ParseForm() if err != nil { log.Error("Couldn't parse settings form request: %v\n", err) return ErrBadFormData } err = app.formDecoder.Decode(&s, r.PostForm) if err != nil { log.Error("Couldn't decode settings form request: %v\n", err) return ErrBadFormData } } // Do update postUpdateReturn := r.FormValue("return") redirectTo := "/me/settings" if s.IsLogOut { redirectTo += "?logout=1" } else if postUpdateReturn != "" { redirectTo = postUpdateReturn } // Only do updates on values we need if s.Username != "" && s.Username == u.Username { // Username hasn't actually changed; blank it out s.Username = "" } err = app.db.ChangeSettings(app, u, &s) if err != nil { if reqJSON { return err } if err, ok := err.(impart.HTTPError); ok { addSessionFlash(app, w, r, err.Message, nil) } } else { // Successful update. if reqJSON { return impart.WriteSuccess(w, u, http.StatusOK) } if s.IsLogOut { redirectTo = "/me/logout" } else { sess.Values[cookieUserVal] = u.Cookie() addSessionFlash(app, w, r, "Account updated.", nil) } } w.Header().Set("Location", redirectTo) w.WriteHeader(http.StatusFound) return nil } func updatePassphrase(app *App, w http.ResponseWriter, r *http.Request) error { accessToken := r.Header.Get("Authorization") if accessToken == "" { return ErrNoAccessToken } curPass := r.FormValue("current") newPass := r.FormValue("new") // Ensure a new password is given (always required) if newPass == "" { return impart.HTTPError{http.StatusBadRequest, "Provide a new password."} } userID, sudo := app.db.GetUserIDPrivilege(accessToken) if userID == -1 { return ErrBadAccessToken } // Ensure a current password is given if the access token doesn't have sudo // privileges. if !sudo && curPass == "" { return impart.HTTPError{http.StatusBadRequest, "Provide current password."} } // Hash the new password hashedPass, err := auth.HashPass([]byte(newPass)) if err != nil { return impart.HTTPError{http.StatusInternalServerError, "Could not create password hash."} } // Do update err = app.db.ChangePassphrase(userID, sudo, curPass, hashedPass) if err != nil { return err } return impart.WriteSuccess(w, struct{}{}, http.StatusOK) } func viewStats(app *App, u *User, w http.ResponseWriter, r *http.Request) error { var c *Collection var err error vars := mux.Vars(r) alias := vars["collection"] if alias != "" { c, err = app.db.GetCollection(alias) if err != nil { return err } if c.OwnerID != u.ID { return ErrCollectionNotFound } } topPosts, err := app.db.GetTopPosts(u, alias) if err != nil { log.Error("Unable to get top posts: %v", err) return err } flashes, _ := getSessionFlashes(app, w, r, nil) titleStats := "" if c != nil { titleStats = c.DisplayTitle() + " " } suspended, err := app.db.IsUserSuspended(u.ID) if err != nil { log.Error("view stats: %v", err) return err } obj := struct { *UserPage VisitsBlog string Collection *Collection TopPosts *[]PublicPost APFollowers int Suspended bool }{ UserPage: NewUserPage(app, r, u, titleStats+"Stats", flashes), VisitsBlog: alias, Collection: c, TopPosts: topPosts, Suspended: suspended, } if app.cfg.App.Federation { folls, err := app.db.GetAPFollowers(c) if err != nil { return err } obj.APFollowers = len(*folls) } showUserPage(w, "stats", obj) return nil } func viewSettings(app *App, u *User, w http.ResponseWriter, r *http.Request) error { fullUser, err := app.db.GetUserByID(u.ID) if err != nil { log.Error("Unable to get user for settings: %s", err) return impart.HTTPError{http.StatusInternalServerError, "Unable to retrieve user data. The humans have been alerted."} } passIsSet, err := app.db.IsUserPassSet(u.ID) if err != nil { log.Error("Unable to get isUserPassSet for settings: %s", err) return impart.HTTPError{http.StatusInternalServerError, "Unable to retrieve user data. The humans have been alerted."} } flashes, _ := getSessionFlashes(app, w, r, nil) obj := struct { *UserPage Email string HasPass bool IsLogOut bool Suspended bool }{ UserPage: NewUserPage(app, r, u, "Account Settings", flashes), Email: fullUser.EmailClear(app.keys), HasPass: passIsSet, IsLogOut: r.FormValue("logout") == "1", Suspended: fullUser.IsSilenced(), } showUserPage(w, "settings", obj) return nil } func saveTempInfo(app *App, key, val string, r *http.Request, w http.ResponseWriter) error { session, err := app.sessionStore.Get(r, "t") if err != nil { return ErrInternalCookieSession } session.Values[key] = val err = session.Save(r, w) if err != nil { log.Error("Couldn't saveTempInfo for key-val (%s:%s): %v", key, val, err) } return err } func getTempInfo(app *App, key string, r *http.Request, w http.ResponseWriter) string { session, err := app.sessionStore.Get(r, "t") if err != nil { return "" } // Get the information var s = "" var ok bool if s, ok = session.Values[key].(string); !ok { return "" } // Delete cookie session.Options.MaxAge = -1 err = session.Save(r, w) if err != nil { log.Error("Couldn't erase temp data for key %s: %v", key, err) } // Return value return s } diff --git a/activitypub.go b/activitypub.go index eeaa1fa..a18a636 100644 --- a/activitypub.go +++ b/activitypub.go @@ -1,745 +1,745 @@ /* * Copyright © 2018-2019 A Bunch Tell LLC. * * This file is part of WriteFreely. * * WriteFreely is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License, included * in the LICENSE file in this source code package. */ package writefreely import ( "bytes" "crypto/sha256" "database/sql" "encoding/base64" "encoding/json" "fmt" "io/ioutil" "net/http" "net/http/httputil" "net/url" "strconv" "time" "github.com/gorilla/mux" "github.com/writeas/activity/streams" "github.com/writeas/httpsig" "github.com/writeas/impart" "github.com/writeas/nerds/store" "github.com/writeas/web-core/activitypub" "github.com/writeas/web-core/activitystreams" "github.com/writeas/web-core/log" ) const ( // TODO: delete. don't use this! apCustomHandleDefault = "blog" ) type RemoteUser struct { ID int64 ActorID string Inbox string SharedInbox string } func (ru *RemoteUser) AsPerson() *activitystreams.Person { return &activitystreams.Person{ BaseObject: activitystreams.BaseObject{ Type: "Person", Context: []interface{}{ activitystreams.Namespace, }, ID: ru.ActorID, }, Inbox: ru.Inbox, Endpoints: activitystreams.Endpoints{ SharedInbox: ru.SharedInbox, }, } } func handleFetchCollectionActivities(app *App, w http.ResponseWriter, r *http.Request) error { w.Header().Set("Server", serverSoftware) vars := mux.Vars(r) alias := vars["alias"] // TODO: enforce visibility // Get base Collection data var c *Collection var err error if app.cfg.App.SingleUser { c, err = app.db.GetCollectionByID(1) } else { c, err = app.db.GetCollection(alias) } if err != nil { return err } suspended, err := app.db.IsUserSuspended(c.OwnerID) if err != nil { log.Error("fetch collection activities: %v", err) return ErrInternalGeneral } if suspended { return ErrCollectionNotFound } c.hostName = app.cfg.App.Host p := c.PersonObject() return impart.RenderActivityJSON(w, p, http.StatusOK) } func handleFetchCollectionOutbox(app *App, w http.ResponseWriter, r *http.Request) error { w.Header().Set("Server", serverSoftware) vars := mux.Vars(r) alias := vars["alias"] // TODO: enforce visibility // Get base Collection data var c *Collection var err error if app.cfg.App.SingleUser { c, err = app.db.GetCollectionByID(1) } else { c, err = app.db.GetCollection(alias) } if err != nil { return err } suspended, err := app.db.IsUserSuspended(c.OwnerID) if err != nil { log.Error("fetch collection outbox: %v", err) return ErrInternalGeneral } if suspended { return ErrCollectionNotFound } c.hostName = app.cfg.App.Host if app.cfg.App.SingleUser { if alias != c.Alias { return ErrCollectionNotFound } } res := &CollectionObj{Collection: *c} app.db.GetPostsCount(res, false) accountRoot := c.FederatedAccount() page := r.FormValue("page") p, err := strconv.Atoi(page) if err != nil || p < 1 { // Return outbox oc := activitystreams.NewOrderedCollection(accountRoot, "outbox", res.TotalPosts) return impart.RenderActivityJSON(w, oc, http.StatusOK) } // Return outbox page ocp := activitystreams.NewOrderedCollectionPage(accountRoot, "outbox", res.TotalPosts, p) ocp.OrderedItems = []interface{}{} posts, err := app.db.GetPosts(app.cfg, c, p, false, true, false) for _, pp := range *posts { pp.Collection = res o := pp.ActivityObject(app.cfg) a := activitystreams.NewCreateActivity(o) ocp.OrderedItems = append(ocp.OrderedItems, *a) } return impart.RenderActivityJSON(w, ocp, http.StatusOK) } func handleFetchCollectionFollowers(app *App, w http.ResponseWriter, r *http.Request) error { w.Header().Set("Server", serverSoftware) vars := mux.Vars(r) alias := vars["alias"] // TODO: enforce visibility // Get base Collection data var c *Collection var err error if app.cfg.App.SingleUser { c, err = app.db.GetCollectionByID(1) } else { c, err = app.db.GetCollection(alias) } if err != nil { return err } suspended, err := app.db.IsUserSuspended(c.OwnerID) if err != nil { log.Error("fetch collection followers: %v", err) return ErrInternalGeneral } if suspended { return ErrCollectionNotFound } c.hostName = app.cfg.App.Host accountRoot := c.FederatedAccount() folls, err := app.db.GetAPFollowers(c) if err != nil { return err } page := r.FormValue("page") p, err := strconv.Atoi(page) if err != nil || p < 1 { // Return outbox oc := activitystreams.NewOrderedCollection(accountRoot, "followers", len(*folls)) return impart.RenderActivityJSON(w, oc, http.StatusOK) } // Return outbox page ocp := activitystreams.NewOrderedCollectionPage(accountRoot, "followers", len(*folls), p) ocp.OrderedItems = []interface{}{} /* for _, f := range *folls { ocp.OrderedItems = append(ocp.OrderedItems, f.ActorID) } */ return impart.RenderActivityJSON(w, ocp, http.StatusOK) } func handleFetchCollectionFollowing(app *App, w http.ResponseWriter, r *http.Request) error { w.Header().Set("Server", serverSoftware) vars := mux.Vars(r) alias := vars["alias"] // TODO: enforce visibility // Get base Collection data var c *Collection var err error if app.cfg.App.SingleUser { c, err = app.db.GetCollectionByID(1) } else { c, err = app.db.GetCollection(alias) } if err != nil { return err } suspended, err := app.db.IsUserSuspended(c.OwnerID) if err != nil { log.Error("fetch collection following: %v", err) return ErrInternalGeneral } if suspended { return ErrCollectionNotFound } c.hostName = app.cfg.App.Host accountRoot := c.FederatedAccount() page := r.FormValue("page") p, err := strconv.Atoi(page) if err != nil || p < 1 { // Return outbox oc := activitystreams.NewOrderedCollection(accountRoot, "following", 0) return impart.RenderActivityJSON(w, oc, http.StatusOK) } // Return outbox page ocp := activitystreams.NewOrderedCollectionPage(accountRoot, "following", 0, p) ocp.OrderedItems = []interface{}{} return impart.RenderActivityJSON(w, ocp, http.StatusOK) } func handleFetchCollectionInbox(app *App, w http.ResponseWriter, r *http.Request) error { w.Header().Set("Server", serverSoftware) vars := mux.Vars(r) alias := vars["alias"] var c *Collection var err error if app.cfg.App.SingleUser { c, err = app.db.GetCollectionByID(1) } else { c, err = app.db.GetCollection(alias) } if err != nil { // TODO: return Reject? return err } suspended, err := app.db.IsUserSuspended(c.OwnerID) if err != nil { log.Error("fetch collection inbox: %v", err) return ErrInternalGeneral } if suspended { return ErrCollectionNotFound } c.hostName = app.cfg.App.Host if debugging { dump, err := httputil.DumpRequest(r, true) if err != nil { log.Error("Can't dump: %v", err) } else { log.Info("Rec'd! %q", dump) } } var m map[string]interface{} if err := json.NewDecoder(r.Body).Decode(&m); err != nil { return err } a := streams.NewAccept() p := c.PersonObject() var to *url.URL var isFollow, isUnfollow bool fullActor := &activitystreams.Person{} var remoteUser *RemoteUser res := &streams.Resolver{ FollowCallback: func(f *streams.Follow) error { isFollow = true // 1) Use the Follow concrete type here // 2) Errors are propagated to res.Deserialize call below m["@context"] = []string{activitystreams.Namespace} b, _ := json.Marshal(m) if debugging { log.Info("Follow: %s", b) } _, followID := f.GetId() if followID == nil { log.Error("Didn't resolve follow ID") } else { aID := c.FederatedAccount() + "#accept-" + store.GenerateFriendlyRandomString(20) acceptID, err := url.Parse(aID) if err != nil { log.Error("Couldn't parse generated Accept URL '%s': %v", aID, err) } a.SetId(acceptID) } a.AppendObject(f.Raw()) _, to = f.GetActor(0) obj := f.Raw().GetObjectIRI(0) a.AppendActor(obj) // First get actor information if to == nil { return fmt.Errorf("No valid `to` string") } fullActor, remoteUser, err = getActor(app, to.String()) if err != nil { return err } return impart.RenderActivityJSON(w, m, http.StatusOK) }, UndoCallback: func(u *streams.Undo) error { isUnfollow = true m["@context"] = []string{activitystreams.Namespace} b, _ := json.Marshal(m) if debugging { log.Info("Undo: %s", b) } a.AppendObject(u.Raw()) _, to = u.GetActor(0) // TODO: get actor from object.object, not object obj := u.Raw().GetObjectIRI(0) a.AppendActor(obj) if to != nil { // Populate fullActor from DB? remoteUser, err = getRemoteUser(app, to.String()) if err != nil { if iErr, ok := err.(*impart.HTTPError); ok { if iErr.Status == http.StatusNotFound { log.Error("No remoteuser info for Undo event!") } } return err } else { fullActor = remoteUser.AsPerson() } } else { log.Error("No to on Undo!") } return impart.RenderActivityJSON(w, m, http.StatusOK) }, } if err := res.Deserialize(m); err != nil { // 3) Any errors from #2 can be handled, or the payload is an unknown type. log.Error("Unable to resolve Follow: %v", err) if debugging { log.Error("Map: %s", m) } return err } go func() { time.Sleep(2 * time.Second) am, err := a.Serialize() if err != nil { log.Error("Unable to serialize Accept: %v", err) return } am["@context"] = []string{activitystreams.Namespace} if to == nil { log.Error("No to! %v", err) return } err = makeActivityPost(app.cfg.App.Host, p, fullActor.Inbox, am) if err != nil { log.Error("Unable to make activity POST: %v", err) return } if isFollow { t, err := app.db.Begin() if err != nil { log.Error("Unable to start transaction: %v", err) return } var followerID int64 if remoteUser != nil { followerID = remoteUser.ID } else { // Add follower locally, since it wasn't found before res, err := t.Exec("INSERT INTO remoteusers (actor_id, inbox, shared_inbox) VALUES (?, ?, ?)", fullActor.ID, fullActor.Inbox, fullActor.Endpoints.SharedInbox) if err != nil { - if !app.db.isDuplicateKeyErr(err) { - t.Rollback() - log.Error("Couldn't add new remoteuser in DB: %v\n", err) - return - } + // if duplicate key, res will be nil and panic on + // res.LastInsertId below + t.Rollback() + log.Error("Couldn't add new remoteuser in DB: %v\n", err) + return } followerID, err = res.LastInsertId() if err != nil { t.Rollback() log.Error("no lastinsertid for followers, rolling back: %v", err) return } // Add in key _, err = t.Exec("INSERT INTO remoteuserkeys (id, remote_user_id, public_key) VALUES (?, ?, ?)", fullActor.PublicKey.ID, followerID, fullActor.PublicKey.PublicKeyPEM) if err != nil { if !app.db.isDuplicateKeyErr(err) { t.Rollback() log.Error("Couldn't add follower keys in DB: %v\n", err) return } } } // Add follow _, err = t.Exec("INSERT INTO remotefollows (collection_id, remote_user_id, created) VALUES (?, ?, "+app.db.now()+")", c.ID, followerID) if err != nil { if !app.db.isDuplicateKeyErr(err) { t.Rollback() log.Error("Couldn't add follower in DB: %v\n", err) return } } err = t.Commit() if err != nil { t.Rollback() log.Error("Rolling back after Commit(): %v\n", err) return } } else if isUnfollow { // Remove follower locally _, err = app.db.Exec("DELETE FROM remotefollows WHERE collection_id = ? AND remote_user_id = (SELECT id FROM remoteusers WHERE actor_id = ?)", c.ID, to.String()) if err != nil { log.Error("Couldn't remove follower from DB: %v\n", err) } } }() return nil } func makeActivityPost(hostName string, p *activitystreams.Person, url string, m interface{}) error { log.Info("POST %s", url) b, err := json.Marshal(m) if err != nil { return err } r, _ := http.NewRequest("POST", url, bytes.NewBuffer(b)) r.Header.Add("Content-Type", "application/activity+json") r.Header.Set("User-Agent", "Go ("+serverSoftware+"/"+softwareVer+"; +"+hostName+")") h := sha256.New() h.Write(b) r.Header.Add("Digest", "SHA-256="+base64.StdEncoding.EncodeToString(h.Sum(nil))) // Sign using the 'Signature' header privKey, err := activitypub.DecodePrivateKey(p.GetPrivKey()) if err != nil { return err } signer := httpsig.NewSigner(p.PublicKey.ID, privKey, httpsig.RSASHA256, []string{"(request-target)", "date", "host", "digest"}) err = signer.SignSigHeader(r) if err != nil { log.Error("Can't sign: %v", err) } if debugging { dump, err := httputil.DumpRequestOut(r, true) if err != nil { log.Error("Can't dump: %v", err) } else { log.Info("%s", dump) } } resp, err := http.DefaultClient.Do(r) if err != nil { return err } if resp != nil && resp.Body != nil { defer resp.Body.Close() } body, err := ioutil.ReadAll(resp.Body) if err != nil { return err } if debugging { log.Info("Status : %s", resp.Status) log.Info("Response: %s", body) } return nil } func resolveIRI(hostName, url string) ([]byte, error) { log.Info("GET %s", url) r, _ := http.NewRequest("GET", url, nil) r.Header.Add("Accept", "application/activity+json") r.Header.Set("User-Agent", "Go ("+serverSoftware+"/"+softwareVer+"; +"+hostName+")") if debugging { dump, err := httputil.DumpRequestOut(r, true) if err != nil { log.Error("Can't dump: %v", err) } else { log.Info("%s", dump) } } resp, err := http.DefaultClient.Do(r) if err != nil { return nil, err } if resp != nil && resp.Body != nil { defer resp.Body.Close() } body, err := ioutil.ReadAll(resp.Body) if err != nil { return nil, err } if debugging { log.Info("Status : %s", resp.Status) log.Info("Response: %s", body) } return body, nil } func deleteFederatedPost(app *App, p *PublicPost, collID int64) error { if debugging { log.Info("Deleting federated post!") } p.Collection.hostName = app.cfg.App.Host actor := p.Collection.PersonObject(collID) na := p.ActivityObject(app.cfg) // Add followers p.Collection.ID = collID followers, err := app.db.GetAPFollowers(&p.Collection.Collection) if err != nil { log.Error("Couldn't delete post (get followers)! %v", err) return err } inboxes := map[string][]string{} for _, f := range *followers { inbox := f.SharedInbox if inbox == "" { inbox = f.Inbox } if _, ok := inboxes[inbox]; ok { inboxes[inbox] = append(inboxes[inbox], f.ActorID) } else { inboxes[inbox] = []string{f.ActorID} } } for si, instFolls := range inboxes { na.CC = []string{} for _, f := range instFolls { na.CC = append(na.CC, f) } err = makeActivityPost(app.cfg.App.Host, actor, si, activitystreams.NewDeleteActivity(na)) if err != nil { log.Error("Couldn't delete post! %v", err) } } return nil } func federatePost(app *App, p *PublicPost, collID int64, isUpdate bool) error { if debugging { if isUpdate { log.Info("Federating updated post!") } else { log.Info("Federating new post!") } } actor := p.Collection.PersonObject(collID) na := p.ActivityObject(app.cfg) // Add followers p.Collection.ID = collID followers, err := app.db.GetAPFollowers(&p.Collection.Collection) if err != nil { log.Error("Couldn't post! %v", err) return err } log.Info("Followers for %d: %+v", collID, followers) inboxes := map[string][]string{} for _, f := range *followers { inbox := f.SharedInbox if inbox == "" { inbox = f.Inbox } if _, ok := inboxes[inbox]; ok { inboxes[inbox] = append(inboxes[inbox], f.ActorID) } else { inboxes[inbox] = []string{f.ActorID} } } for si, instFolls := range inboxes { na.CC = []string{} for _, f := range instFolls { na.CC = append(na.CC, f) } var activity *activitystreams.Activity if isUpdate { activity = activitystreams.NewUpdateActivity(na) } else { activity = activitystreams.NewCreateActivity(na) activity.To = na.To activity.CC = na.CC } err = makeActivityPost(app.cfg.App.Host, actor, si, activity) if err != nil { log.Error("Couldn't post! %v", err) } } return nil } func getRemoteUser(app *App, actorID string) (*RemoteUser, error) { u := RemoteUser{ActorID: actorID} err := app.db.QueryRow("SELECT id, inbox, shared_inbox FROM remoteusers WHERE actor_id = ?", actorID).Scan(&u.ID, &u.Inbox, &u.SharedInbox) switch { case err == sql.ErrNoRows: return nil, impart.HTTPError{http.StatusNotFound, "No remote user with that ID."} case err != nil: log.Error("Couldn't get remote user %s: %v", actorID, err) return nil, err } return &u, nil } func getActor(app *App, actorIRI string) (*activitystreams.Person, *RemoteUser, error) { log.Info("Fetching actor %s locally", actorIRI) actor := &activitystreams.Person{} remoteUser, err := getRemoteUser(app, actorIRI) if err != nil { if iErr, ok := err.(impart.HTTPError); ok { if iErr.Status == http.StatusNotFound { // Fetch remote actor log.Info("Not found; fetching actor %s remotely", actorIRI) actorResp, err := resolveIRI(app.cfg.App.Host, actorIRI) if err != nil { log.Error("Unable to get actor! %v", err) return nil, nil, impart.HTTPError{http.StatusInternalServerError, "Couldn't fetch actor."} } if err := unmarshalActor(actorResp, actor); err != nil { log.Error("Unable to unmarshal actor! %v", err) return nil, nil, impart.HTTPError{http.StatusInternalServerError, "Couldn't parse actor."} } } else { return nil, nil, err } } else { return nil, nil, err } } else { actor = remoteUser.AsPerson() } return actor, remoteUser, nil } // unmarshal actor normalizes the actor response to conform to // the type Person from github.com/writeas/web-core/activitysteams // // some implementations return different context field types // this converts any non-slice contexts into a slice func unmarshalActor(actorResp []byte, actor *activitystreams.Person) error { // FIXME: Hubzilla has an object for the Actor's url: cannot unmarshal object into Go struct field Person.url of type string // flexActor overrides the Context field to allow // all valid representations during unmarshal flexActor := struct { activitystreams.Person Context json.RawMessage `json:"@context,omitempty"` }{} if err := json.Unmarshal(actorResp, &flexActor); err != nil { return err } actor.Endpoints = flexActor.Endpoints actor.Followers = flexActor.Followers actor.Following = flexActor.Following actor.ID = flexActor.ID actor.Icon = flexActor.Icon actor.Inbox = flexActor.Inbox actor.Name = flexActor.Name actor.Outbox = flexActor.Outbox actor.PreferredUsername = flexActor.PreferredUsername actor.PublicKey = flexActor.PublicKey actor.Summary = flexActor.Summary actor.Type = flexActor.Type actor.URL = flexActor.URL func(val interface{}) { switch val.(type) { case []interface{}: // already a slice, do nothing actor.Context = val.([]interface{}) default: actor.Context = []interface{}{val} } }(flexActor.Context) return nil } diff --git a/admin.go b/admin.go index e624bfb..ebb4225 100644 --- a/admin.go +++ b/admin.go @@ -1,483 +1,526 @@ /* * Copyright © 2018-2019 A Bunch Tell LLC. * * This file is part of WriteFreely. * * WriteFreely is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License, included * in the LICENSE file in this source code package. */ package writefreely import ( "database/sql" "fmt" "net/http" "runtime" "strconv" + "strings" "time" "github.com/gorilla/mux" "github.com/writeas/impart" "github.com/writeas/web-core/auth" "github.com/writeas/web-core/log" + "github.com/writeas/web-core/passgen" "github.com/writeas/writefreely/appstats" "github.com/writeas/writefreely/config" ) var ( appStartTime = time.Now() sysStatus systemStatus ) const adminUsersPerPage = 30 type systemStatus struct { Uptime string NumGoroutine int // General statistics. MemAllocated string // bytes allocated and still in use MemTotal string // bytes allocated (even if freed) MemSys string // bytes obtained from system (sum of XxxSys below) Lookups uint64 // number of pointer lookups MemMallocs uint64 // number of mallocs MemFrees uint64 // number of frees // Main allocation heap statistics. HeapAlloc string // bytes allocated and still in use HeapSys string // bytes obtained from system HeapIdle string // bytes in idle spans HeapInuse string // bytes in non-idle span HeapReleased string // bytes released to the OS HeapObjects uint64 // total number of allocated objects // Low-level fixed-size structure allocator statistics. // Inuse is bytes used now. // Sys is bytes obtained from system. StackInuse string // bootstrap stacks StackSys string MSpanInuse string // mspan structures MSpanSys string MCacheInuse string // mcache structures MCacheSys string BuckHashSys string // profiling bucket hash table GCSys string // GC metadata OtherSys string // other system allocations // Garbage collector statistics. NextGC string // next run in HeapAlloc time (bytes) LastGC string // last run in absolute time (ns) PauseTotalNs string PauseNs string // circular buffer of recent GC pause times, most recent at [(NumGC+255)%256] NumGC uint32 } type inspectedCollection struct { CollectionObj Followers int LastPost string } type instanceContent struct { ID string Type string Title sql.NullString Content string Updated time.Time } func (c instanceContent) UpdatedFriendly() string { /* // TODO: accept a locale in this method and use that for the format var loc monday.Locale = monday.LocaleEnUS return monday.Format(u.Created, monday.DateTimeFormatsByLocale[loc], loc) */ return c.Updated.Format("January 2, 2006, 3:04 PM") } func handleViewAdminDash(app *App, u *User, w http.ResponseWriter, r *http.Request) error { updateAppStats() p := struct { *UserPage SysStatus systemStatus Config config.AppCfg Message, ConfigMessage string }{ UserPage: NewUserPage(app, r, u, "Admin", nil), SysStatus: sysStatus, Config: app.cfg.App, Message: r.FormValue("m"), ConfigMessage: r.FormValue("cm"), } showUserPage(w, "admin", p) return nil } func handleViewAdminUsers(app *App, u *User, w http.ResponseWriter, r *http.Request) error { p := struct { *UserPage Config config.AppCfg Message string Users *[]User CurPage int TotalUsers int64 TotalPages []int }{ UserPage: NewUserPage(app, r, u, "Users", nil), Config: app.cfg.App, Message: r.FormValue("m"), } p.TotalUsers = app.db.GetAllUsersCount() ttlPages := p.TotalUsers / adminUsersPerPage p.TotalPages = []int{} for i := 1; i <= int(ttlPages); i++ { p.TotalPages = append(p.TotalPages, i) } var err error p.CurPage, err = strconv.Atoi(r.FormValue("p")) if err != nil || p.CurPage < 1 { p.CurPage = 1 } else if p.CurPage > int(ttlPages) { p.CurPage = int(ttlPages) } p.Users, err = app.db.GetAllUsers(uint(p.CurPage)) if err != nil { return impart.HTTPError{http.StatusInternalServerError, fmt.Sprintf("Could not get users: %v", err)} } showUserPage(w, "users", p) return nil } func handleViewAdminUser(app *App, u *User, w http.ResponseWriter, r *http.Request) error { vars := mux.Vars(r) username := vars["username"] if username == "" { return impart.HTTPError{http.StatusFound, "/admin/users"} } p := struct { *UserPage Config config.AppCfg Message string - User *User - Colls []inspectedCollection - LastPost string - - TotalPosts int64 + User *User + Colls []inspectedCollection + LastPost string + NewPassword string + TotalPosts int64 + ClearEmail string }{ Config: app.cfg.App, Message: r.FormValue("m"), Colls: []inspectedCollection{}, } var err error p.User, err = app.db.GetUserForAuth(username) if err != nil { return impart.HTTPError{http.StatusInternalServerError, fmt.Sprintf("Could not get user: %v", err)} } + + flashes, _ := getSessionFlashes(app, w, r, nil) + for _, flash := range flashes { + if strings.HasPrefix(flash, "SUCCESS: ") { + p.NewPassword = strings.TrimPrefix(flash, "SUCCESS: ") + p.ClearEmail = p.User.EmailClear(app.keys) + } + } p.UserPage = NewUserPage(app, r, u, p.User.Username, nil) p.TotalPosts = app.db.GetUserPostsCount(p.User.ID) lp, err := app.db.GetUserLastPostTime(p.User.ID) if err != nil { return impart.HTTPError{http.StatusInternalServerError, fmt.Sprintf("Could not get user's last post time: %v", err)} } if lp != nil { p.LastPost = lp.Format("January 2, 2006, 3:04 PM") } colls, err := app.db.GetCollections(p.User, app.cfg.App.Host) if err != nil { return impart.HTTPError{http.StatusInternalServerError, fmt.Sprintf("Could not get user's collections: %v", err)} } for _, c := range *colls { ic := inspectedCollection{ CollectionObj: CollectionObj{Collection: c}, } if app.cfg.App.Federation { folls, err := app.db.GetAPFollowers(&c) if err == nil { // TODO: handle error here (at least log it) ic.Followers = len(*folls) } } app.db.GetPostsCount(&ic.CollectionObj, true) lp, err := app.db.GetCollectionLastPostTime(c.ID) if err != nil { log.Error("Didn't get last post time for collection %d: %v", c.ID, err) } if lp != nil { ic.LastPost = lp.Format("January 2, 2006, 3:04 PM") } p.Colls = append(p.Colls, ic) } showUserPage(w, "view-user", p) return nil } func handleAdminToggleUserStatus(app *App, u *User, w http.ResponseWriter, r *http.Request) error { vars := mux.Vars(r) username := vars["username"] if username == "" { return impart.HTTPError{http.StatusFound, "/admin/users"} } user, err := app.db.GetUserForAuth(username) if err != nil { log.Error("failed to get user: %v", err) return impart.HTTPError{http.StatusInternalServerError, fmt.Sprintf("Could not get user from username: %v", err)} } if user.IsSilenced() { err = app.db.SetUserStatus(user.ID, UserActive) } else { err = app.db.SetUserStatus(user.ID, UserSilenced) } if err != nil { log.Error("toggle user suspended: %v", err) return impart.HTTPError{http.StatusInternalServerError, fmt.Sprintf("Could not toggle user status: %v")} } return impart.HTTPError{http.StatusFound, fmt.Sprintf("/admin/user/%s#status", username)} } +func handleAdminResetUserPass(app *App, u *User, w http.ResponseWriter, r *http.Request) error { + vars := mux.Vars(r) + username := vars["username"] + if username == "" { + return impart.HTTPError{http.StatusFound, "/admin/users"} + } + + // Generate new random password since none supplied + pass := passgen.NewWordish() + hashedPass, err := auth.HashPass([]byte(pass)) + if err != nil { + return impart.HTTPError{http.StatusInternalServerError, fmt.Sprintf("Could not create password hash: %v", err)} + } + + userIDVal := r.FormValue("user") + log.Info("ADMIN: Changing user %s password", userIDVal) + id, err := strconv.Atoi(userIDVal) + if err != nil { + return impart.HTTPError{http.StatusBadRequest, fmt.Sprintf("Invalid user ID: %v", err)} + } + + err = app.db.ChangePassphrase(int64(id), true, "", hashedPass) + if err != nil { + return impart.HTTPError{http.StatusInternalServerError, fmt.Sprintf("Could not update passphrase: %v", err)} + } + log.Info("ADMIN: Successfully changed.") + + addSessionFlash(app, w, r, fmt.Sprintf("SUCCESS: %s", pass), nil) + + return impart.HTTPError{http.StatusFound, fmt.Sprintf("/admin/user/%s", username)} +} + func handleViewAdminPages(app *App, u *User, w http.ResponseWriter, r *http.Request) error { p := struct { *UserPage Config config.AppCfg Message string Pages []*instanceContent }{ UserPage: NewUserPage(app, r, u, "Pages", nil), Config: app.cfg.App, Message: r.FormValue("m"), } var err error p.Pages, err = app.db.GetInstancePages() if err != nil { return impart.HTTPError{http.StatusInternalServerError, fmt.Sprintf("Could not get pages: %v", err)} } // Add in default pages var hasAbout, hasPrivacy bool for i, c := range p.Pages { if hasAbout && hasPrivacy { break } if c.ID == "about" { hasAbout = true if !c.Title.Valid { p.Pages[i].Title = defaultAboutTitle(app.cfg) } } else if c.ID == "privacy" { hasPrivacy = true if !c.Title.Valid { p.Pages[i].Title = defaultPrivacyTitle() } } } if !hasAbout { p.Pages = append(p.Pages, &instanceContent{ ID: "about", Title: defaultAboutTitle(app.cfg), Content: defaultAboutPage(app.cfg), Updated: defaultPageUpdatedTime, }) } if !hasPrivacy { p.Pages = append(p.Pages, &instanceContent{ ID: "privacy", Title: defaultPrivacyTitle(), Content: defaultPrivacyPolicy(app.cfg), Updated: defaultPageUpdatedTime, }) } showUserPage(w, "pages", p) return nil } func handleViewAdminPage(app *App, u *User, w http.ResponseWriter, r *http.Request) error { vars := mux.Vars(r) slug := vars["slug"] if slug == "" { return impart.HTTPError{http.StatusFound, "/admin/pages"} } p := struct { *UserPage Config config.AppCfg Message string Banner *instanceContent Content *instanceContent }{ Config: app.cfg.App, Message: r.FormValue("m"), } var err error // Get pre-defined pages, or select slug if slug == "about" { p.Content, err = getAboutPage(app) } else if slug == "privacy" { p.Content, err = getPrivacyPage(app) } else if slug == "landing" { p.Banner, err = getLandingBanner(app) if err != nil { return impart.HTTPError{http.StatusInternalServerError, fmt.Sprintf("Could not get banner: %v", err)} } p.Content, err = getLandingBody(app) p.Content.ID = "landing" } else if slug == "reader" { p.Content, err = getReaderSection(app) } else { p.Content, err = app.db.GetDynamicContent(slug) } if err != nil { return impart.HTTPError{http.StatusInternalServerError, fmt.Sprintf("Could not get page: %v", err)} } title := "New page" if p.Content != nil { title = "Edit " + p.Content.ID } else { p.Content = &instanceContent{} } p.UserPage = NewUserPage(app, r, u, title, nil) showUserPage(w, "view-page", p) return nil } func handleAdminUpdateSite(app *App, u *User, w http.ResponseWriter, r *http.Request) error { vars := mux.Vars(r) id := vars["page"] // Validate if id != "about" && id != "privacy" && id != "landing" && id != "reader" { return impart.HTTPError{http.StatusNotFound, "No such page."} } var err error m := "" if id == "landing" { // Handle special landing page err = app.db.UpdateDynamicContent("landing-banner", "", r.FormValue("banner"), "section") if err != nil { m = "?m=" + err.Error() return impart.HTTPError{http.StatusFound, "/admin/page/" + id + m} } err = app.db.UpdateDynamicContent("landing-body", "", r.FormValue("content"), "section") } else if id == "reader" { // Update sections with titles err = app.db.UpdateDynamicContent(id, r.FormValue("title"), r.FormValue("content"), "section") } else { // Update page err = app.db.UpdateDynamicContent(id, r.FormValue("title"), r.FormValue("content"), "page") } if err != nil { m = "?m=" + err.Error() } return impart.HTTPError{http.StatusFound, "/admin/page/" + id + m} } func handleAdminUpdateConfig(apper Apper, u *User, w http.ResponseWriter, r *http.Request) error { apper.App().cfg.App.SiteName = r.FormValue("site_name") apper.App().cfg.App.SiteDesc = r.FormValue("site_desc") apper.App().cfg.App.Landing = r.FormValue("landing") apper.App().cfg.App.OpenRegistration = r.FormValue("open_registration") == "on" mul, err := strconv.Atoi(r.FormValue("min_username_len")) if err == nil { apper.App().cfg.App.MinUsernameLen = mul } mb, err := strconv.Atoi(r.FormValue("max_blogs")) if err == nil { apper.App().cfg.App.MaxBlogs = mb } apper.App().cfg.App.Federation = r.FormValue("federation") == "on" apper.App().cfg.App.PublicStats = r.FormValue("public_stats") == "on" apper.App().cfg.App.Private = r.FormValue("private") == "on" apper.App().cfg.App.LocalTimeline = r.FormValue("local_timeline") == "on" if apper.App().cfg.App.LocalTimeline && apper.App().timeline == nil { log.Info("Initializing local timeline...") initLocalTimeline(apper.App()) } apper.App().cfg.App.UserInvites = r.FormValue("user_invites") if apper.App().cfg.App.UserInvites == "none" { apper.App().cfg.App.UserInvites = "" } apper.App().cfg.App.DefaultVisibility = r.FormValue("default_visibility") m := "?cm=Configuration+saved." err = apper.SaveConfig(apper.App().cfg) if err != nil { m = "?cm=" + err.Error() } return impart.HTTPError{http.StatusFound, "/admin" + m + "#config"} } func updateAppStats() { sysStatus.Uptime = appstats.TimeSincePro(appStartTime) m := new(runtime.MemStats) runtime.ReadMemStats(m) sysStatus.NumGoroutine = runtime.NumGoroutine() sysStatus.MemAllocated = appstats.FileSize(int64(m.Alloc)) sysStatus.MemTotal = appstats.FileSize(int64(m.TotalAlloc)) sysStatus.MemSys = appstats.FileSize(int64(m.Sys)) sysStatus.Lookups = m.Lookups sysStatus.MemMallocs = m.Mallocs sysStatus.MemFrees = m.Frees sysStatus.HeapAlloc = appstats.FileSize(int64(m.HeapAlloc)) sysStatus.HeapSys = appstats.FileSize(int64(m.HeapSys)) sysStatus.HeapIdle = appstats.FileSize(int64(m.HeapIdle)) sysStatus.HeapInuse = appstats.FileSize(int64(m.HeapInuse)) sysStatus.HeapReleased = appstats.FileSize(int64(m.HeapReleased)) sysStatus.HeapObjects = m.HeapObjects sysStatus.StackInuse = appstats.FileSize(int64(m.StackInuse)) sysStatus.StackSys = appstats.FileSize(int64(m.StackSys)) sysStatus.MSpanInuse = appstats.FileSize(int64(m.MSpanInuse)) sysStatus.MSpanSys = appstats.FileSize(int64(m.MSpanSys)) sysStatus.MCacheInuse = appstats.FileSize(int64(m.MCacheInuse)) sysStatus.MCacheSys = appstats.FileSize(int64(m.MCacheSys)) sysStatus.BuckHashSys = appstats.FileSize(int64(m.BuckHashSys)) sysStatus.GCSys = appstats.FileSize(int64(m.GCSys)) sysStatus.OtherSys = appstats.FileSize(int64(m.OtherSys)) sysStatus.NextGC = appstats.FileSize(int64(m.NextGC)) sysStatus.LastGC = fmt.Sprintf("%.1fs", float64(time.Now().UnixNano()-int64(m.LastGC))/1000/1000/1000) sysStatus.PauseTotalNs = fmt.Sprintf("%.1fs", float64(m.PauseTotalNs)/1000/1000/1000) sysStatus.PauseNs = fmt.Sprintf("%.3fs", float64(m.PauseNs[(m.NumGC+255)%256])/1000/1000/1000) sysStatus.NumGC = m.NumGC } func adminResetPassword(app *App, u *User, newPass string) error { hashedPass, err := auth.HashPass([]byte(newPass)) if err != nil { return impart.HTTPError{http.StatusInternalServerError, fmt.Sprintf("Could not create password hash: %v", err)} } err = app.db.ChangePassphrase(u.ID, true, "", hashedPass) if err != nil { return impart.HTTPError{http.StatusInternalServerError, fmt.Sprintf("Could not update passphrase: %v", err)} } return nil } diff --git a/app.go b/app.go index 514c7c8..9b01bc6 100644 --- a/app.go +++ b/app.go @@ -1,826 +1,826 @@ /* * Copyright © 2018-2019 A Bunch Tell LLC. * * This file is part of WriteFreely. * * WriteFreely is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License, included * in the LICENSE file in this source code package. */ package writefreely import ( "crypto/tls" "database/sql" "fmt" "html/template" "io/ioutil" "net/http" "net/url" "os" "os/signal" "path/filepath" "regexp" "strings" "syscall" "time" "github.com/gorilla/mux" "github.com/gorilla/schema" "github.com/gorilla/sessions" "github.com/manifoldco/promptui" "github.com/writeas/go-strip-markdown" "github.com/writeas/impart" "github.com/writeas/web-core/auth" "github.com/writeas/web-core/converter" "github.com/writeas/web-core/log" "github.com/writeas/writefreely/author" "github.com/writeas/writefreely/config" "github.com/writeas/writefreely/key" "github.com/writeas/writefreely/migrations" "github.com/writeas/writefreely/page" "golang.org/x/crypto/acme/autocert" ) const ( staticDir = "static" assumedTitleLen = 80 postsPerPage = 10 serverSoftware = "WriteFreely" softwareURL = "https://writefreely.org" ) var ( debugging bool // Software version can be set from git env using -ldflags - softwareVer = "0.10.0" + softwareVer = "0.11.0" // DEPRECATED VARS isSingleUser bool ) // App holds data and configuration for an individual WriteFreely instance. type App struct { router *mux.Router shttp *http.ServeMux db *datastore cfg *config.Config cfgFile string keys *key.Keychain sessionStore *sessions.CookieStore formDecoder *schema.Decoder timeline *localTimeline } // DB returns the App's datastore func (app *App) DB() *datastore { return app.db } // Router returns the App's router func (app *App) Router() *mux.Router { return app.router } // Config returns the App's current configuration. func (app *App) Config() *config.Config { return app.cfg } // SetConfig updates the App's Config to the given value. func (app *App) SetConfig(cfg *config.Config) { app.cfg = cfg } // SetKeys updates the App's Keychain to the given value. func (app *App) SetKeys(k *key.Keychain) { app.keys = k } // Apper is the interface for getting data into and out of a WriteFreely // instance (or "App"). // // App returns the App for the current instance. // // LoadConfig reads an app configuration into the App, returning any error // encountered. // // SaveConfig persists the current App configuration. // // LoadKeys reads the App's encryption keys and loads them into its // key.Keychain. type Apper interface { App() *App LoadConfig() error SaveConfig(*config.Config) error LoadKeys() error ReqLog(r *http.Request, status int, timeSince time.Duration) string } // App returns the App func (app *App) App() *App { return app } // LoadConfig loads and parses a config file. func (app *App) LoadConfig() error { log.Info("Loading %s configuration...", app.cfgFile) cfg, err := config.Load(app.cfgFile) if err != nil { log.Error("Unable to load configuration: %v", err) os.Exit(1) return err } app.cfg = cfg return nil } // SaveConfig saves the given Config to disk -- namely, to the App's cfgFile. func (app *App) SaveConfig(c *config.Config) error { return config.Save(c, app.cfgFile) } // LoadKeys reads all needed keys from disk into the App. In order to use the // configured `Server.KeysParentDir`, you must call initKeyPaths(App) before // this. func (app *App) LoadKeys() error { var err error app.keys = &key.Keychain{} if debugging { log.Info(" %s", emailKeyPath) } app.keys.EmailKey, err = ioutil.ReadFile(emailKeyPath) if err != nil { return err } if debugging { log.Info(" %s", cookieAuthKeyPath) } app.keys.CookieAuthKey, err = ioutil.ReadFile(cookieAuthKeyPath) if err != nil { return err } if debugging { log.Info(" %s", cookieKeyPath) } app.keys.CookieKey, err = ioutil.ReadFile(cookieKeyPath) if err != nil { return err } return nil } func (app *App) ReqLog(r *http.Request, status int, timeSince time.Duration) string { return fmt.Sprintf("\"%s %s\" %d %s \"%s\"", r.Method, r.RequestURI, status, timeSince, r.UserAgent()) } // handleViewHome shows page at root path. It checks the configuration and // authentication state to show the correct page. func handleViewHome(app *App, w http.ResponseWriter, r *http.Request) error { if app.cfg.App.SingleUser { // Render blog index return handleViewCollection(app, w, r) } // Multi-user instance forceLanding := r.FormValue("landing") == "1" if !forceLanding { // Show correct page based on user auth status and configured landing path u := getUserSession(app, r) if app.cfg.App.Chorus { // This instance is focused on reading, so show Reader on home route if not // private or a private-instance user is logged in. if !app.cfg.App.Private || u != nil { return viewLocalTimeline(app, w, r) } } if u != nil { // User is logged in, so show the Pad return handleViewPad(app, w, r) } if land := app.cfg.App.LandingPath(); land != "/" { return impart.HTTPError{http.StatusFound, land} } } return handleViewLanding(app, w, r) } func handleViewLanding(app *App, w http.ResponseWriter, r *http.Request) error { forceLanding := r.FormValue("landing") == "1" p := struct { page.StaticPage Flashes []template.HTML Banner template.HTML Content template.HTML ForcedLanding bool }{ StaticPage: pageForReq(app, r), ForcedLanding: forceLanding, } banner, err := getLandingBanner(app) if err != nil { log.Error("unable to get landing banner: %v", err) return impart.HTTPError{http.StatusInternalServerError, fmt.Sprintf("Could not get banner: %v", err)} } p.Banner = template.HTML(applyMarkdown([]byte(banner.Content), "", app.cfg)) content, err := getLandingBody(app) if err != nil { log.Error("unable to get landing content: %v", err) return impart.HTTPError{http.StatusInternalServerError, fmt.Sprintf("Could not get content: %v", err)} } p.Content = template.HTML(applyMarkdown([]byte(content.Content), "", app.cfg)) // Get error messages session, err := app.sessionStore.Get(r, cookieName) if err != nil { // Ignore this log.Error("Unable to get session in handleViewHome; ignoring: %v", err) } flashes, _ := getSessionFlashes(app, w, r, session) for _, flash := range flashes { p.Flashes = append(p.Flashes, template.HTML(flash)) } // Show landing page return renderPage(w, "landing.tmpl", p) } func handleTemplatedPage(app *App, w http.ResponseWriter, r *http.Request, t *template.Template) error { p := struct { page.StaticPage ContentTitle string Content template.HTML PlainContent string Updated string AboutStats *InstanceStats }{ StaticPage: pageForReq(app, r), } if r.URL.Path == "/about" || r.URL.Path == "/privacy" { var c *instanceContent var err error if r.URL.Path == "/about" { c, err = getAboutPage(app) // Fetch stats p.AboutStats = &InstanceStats{} p.AboutStats.NumPosts, _ = app.db.GetTotalPosts() p.AboutStats.NumBlogs, _ = app.db.GetTotalCollections() } else { c, err = getPrivacyPage(app) } if err != nil { return err } p.ContentTitle = c.Title.String p.Content = template.HTML(applyMarkdown([]byte(c.Content), "", app.cfg)) p.PlainContent = shortPostDescription(stripmd.Strip(c.Content)) if !c.Updated.IsZero() { p.Updated = c.Updated.Format("January 2, 2006") } } // Serve templated page err := t.ExecuteTemplate(w, "base", p) if err != nil { log.Error("Unable to render page: %v", err) } return nil } func pageForReq(app *App, r *http.Request) page.StaticPage { p := page.StaticPage{ AppCfg: app.cfg.App, Path: r.URL.Path, Version: "v" + softwareVer, } // Add user information, if given var u *User accessToken := r.FormValue("t") if accessToken != "" { userID := app.db.GetUserID(accessToken) if userID != -1 { var err error u, err = app.db.GetUserByID(userID) if err == nil { p.Username = u.Username } } } else { u = getUserSession(app, r) if u != nil { p.Username = u.Username p.IsAdmin = u != nil && u.IsAdmin() p.CanInvite = canUserInvite(app.cfg, p.IsAdmin) } } p.CanViewReader = !app.cfg.App.Private || u != nil return p } var fileRegex = regexp.MustCompile("/([^/]*\\.[^/]*)$") // Initialize loads the app configuration and initializes templates, keys, // session, route handlers, and the database connection. func Initialize(apper Apper, debug bool) (*App, error) { debugging = debug apper.LoadConfig() // Load templates err := InitTemplates(apper.App().Config()) if err != nil { return nil, fmt.Errorf("load templates: %s", err) } // Load keys and set up session initKeyPaths(apper.App()) // TODO: find a better way to do this, since it's unneeded in all Apper implementations err = InitKeys(apper) if err != nil { return nil, fmt.Errorf("init keys: %s", err) } apper.App().InitSession() apper.App().InitDecoder() err = ConnectToDatabase(apper.App()) if err != nil { return nil, fmt.Errorf("connect to DB: %s", err) } // Handle local timeline, if enabled if apper.App().cfg.App.LocalTimeline { log.Info("Initializing local timeline...") initLocalTimeline(apper.App()) } return apper.App(), nil } func Serve(app *App, r *mux.Router) { log.Info("Going to serve...") isSingleUser = app.cfg.App.SingleUser app.cfg.Server.Dev = debugging // Handle shutdown c := make(chan os.Signal, 2) signal.Notify(c, os.Interrupt, syscall.SIGTERM) go func() { <-c log.Info("Shutting down...") shutdown(app) log.Info("Done.") os.Exit(0) }() // Start web application server var bindAddress = app.cfg.Server.Bind if bindAddress == "" { bindAddress = "localhost" } var err error if app.cfg.IsSecureStandalone() { if app.cfg.Server.Autocert { m := &autocert.Manager{ Prompt: autocert.AcceptTOS, Cache: autocert.DirCache(app.cfg.Server.TLSCertPath), } host, err := url.Parse(app.cfg.App.Host) if err != nil { log.Error("[WARNING] Unable to parse configured host! %s", err) log.Error(`[WARNING] ALL hosts are allowed, which can open you to an attack where clients connect to a server by IP address and pretend to be asking for an incorrect host name, and cause you to reach the CA's rate limit for certificate requests. We recommend supplying a valid host name.`) log.Info("Using autocert on ANY host") } else { log.Info("Using autocert on host %s", host.Host) m.HostPolicy = autocert.HostWhitelist(host.Host) } s := &http.Server{ Addr: ":https", Handler: r, TLSConfig: &tls.Config{ GetCertificate: m.GetCertificate, }, } s.SetKeepAlivesEnabled(false) go func() { log.Info("Serving redirects on http://%s:80", bindAddress) err = http.ListenAndServe(":80", m.HTTPHandler(nil)) log.Error("Unable to start redirect server: %v", err) }() log.Info("Serving on https://%s:443", bindAddress) log.Info("---") err = s.ListenAndServeTLS("", "") } else { go func() { log.Info("Serving redirects on http://%s:80", bindAddress) err = http.ListenAndServe(fmt.Sprintf("%s:80", bindAddress), http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { http.Redirect(w, r, app.cfg.App.Host, http.StatusMovedPermanently) })) log.Error("Unable to start redirect server: %v", err) }() log.Info("Serving on https://%s:443", bindAddress) log.Info("Using manual certificates") log.Info("---") err = http.ListenAndServeTLS(fmt.Sprintf("%s:443", bindAddress), app.cfg.Server.TLSCertPath, app.cfg.Server.TLSKeyPath, r) } } else { log.Info("Serving on http://%s:%d\n", bindAddress, app.cfg.Server.Port) log.Info("---") err = http.ListenAndServe(fmt.Sprintf("%s:%d", bindAddress, app.cfg.Server.Port), r) } if err != nil { log.Error("Unable to start: %v", err) os.Exit(1) } } func (app *App) InitDecoder() { // TODO: do this at the package level, instead of the App level // Initialize modules app.formDecoder = schema.NewDecoder() app.formDecoder.RegisterConverter(converter.NullJSONString{}, converter.ConvertJSONNullString) app.formDecoder.RegisterConverter(converter.NullJSONBool{}, converter.ConvertJSONNullBool) app.formDecoder.RegisterConverter(sql.NullString{}, converter.ConvertSQLNullString) app.formDecoder.RegisterConverter(sql.NullBool{}, converter.ConvertSQLNullBool) app.formDecoder.RegisterConverter(sql.NullInt64{}, converter.ConvertSQLNullInt64) app.formDecoder.RegisterConverter(sql.NullFloat64{}, converter.ConvertSQLNullFloat64) } // ConnectToDatabase validates and connects to the configured database, then // tests the connection. func ConnectToDatabase(app *App) error { // Check database configuration if app.cfg.Database.Type == driverMySQL && (app.cfg.Database.User == "" || app.cfg.Database.Password == "") { return fmt.Errorf("Database user or password not set.") } if app.cfg.Database.Host == "" { app.cfg.Database.Host = "localhost" } if app.cfg.Database.Database == "" { app.cfg.Database.Database = "writefreely" } // TODO: check err connectToDatabase(app) // Test database connection err := app.db.Ping() if err != nil { return fmt.Errorf("Database ping failed: %s", err) } return nil } // FormatVersion constructs the version string for the application func FormatVersion() string { return serverSoftware + " " + softwareVer } // OutputVersion prints out the version of the application. func OutputVersion() { fmt.Println(FormatVersion()) } // NewApp creates a new app instance. func NewApp(cfgFile string) *App { return &App{ cfgFile: cfgFile, } } // CreateConfig creates a default configuration and saves it to the app's cfgFile. func CreateConfig(app *App) error { log.Info("Creating configuration...") c := config.New() log.Info("Saving configuration %s...", app.cfgFile) err := config.Save(c, app.cfgFile) if err != nil { return fmt.Errorf("Unable to save configuration: %v", err) } return nil } // DoConfig runs the interactive configuration process. func DoConfig(app *App, configSections string) { if configSections == "" { configSections = "server db app" } // let's check there aren't any garbage in the list configSectionsArray := strings.Split(configSections, " ") for _, element := range configSectionsArray { if element != "server" && element != "db" && element != "app" { log.Error("Invalid argument to --sections. Valid arguments are only \"server\", \"db\" and \"app\"") os.Exit(1) } } d, err := config.Configure(app.cfgFile, configSections) if err != nil { log.Error("Unable to configure: %v", err) os.Exit(1) } app.cfg = d.Config connectToDatabase(app) defer shutdown(app) if !app.db.DatabaseInitialized() { err = adminInitDatabase(app) if err != nil { log.Error(err.Error()) os.Exit(1) } } else { log.Info("Database already initialized.") } if d.User != nil { u := &User{ Username: d.User.Username, HashedPass: d.User.HashedPass, Created: time.Now().Truncate(time.Second).UTC(), } // Create blog log.Info("Creating user %s...\n", u.Username) err = app.db.CreateUser(app.cfg, u, app.cfg.App.SiteName) if err != nil { log.Error("Unable to create user: %s", err) os.Exit(1) } log.Info("Done!") } os.Exit(0) } // GenerateKeyFiles creates app encryption keys and saves them into the configured KeysParentDir. func GenerateKeyFiles(app *App) error { // Read keys path from config app.LoadConfig() // Create keys dir if it doesn't exist yet fullKeysDir := filepath.Join(app.cfg.Server.KeysParentDir, keysDir) if _, err := os.Stat(fullKeysDir); os.IsNotExist(err) { err = os.Mkdir(fullKeysDir, 0700) if err != nil { return err } } // Generate keys initKeyPaths(app) // TODO: use something like https://github.com/hashicorp/go-multierror to return errors var keyErrs error err := generateKey(emailKeyPath) if err != nil { keyErrs = err } err = generateKey(cookieAuthKeyPath) if err != nil { keyErrs = err } err = generateKey(cookieKeyPath) if err != nil { keyErrs = err } return keyErrs } // CreateSchema creates all database tables needed for the application. func CreateSchema(apper Apper) error { apper.LoadConfig() connectToDatabase(apper.App()) defer shutdown(apper.App()) err := adminInitDatabase(apper.App()) if err != nil { return err } return nil } // Migrate runs all necessary database migrations. func Migrate(apper Apper) error { apper.LoadConfig() connectToDatabase(apper.App()) defer shutdown(apper.App()) err := migrations.Migrate(migrations.NewDatastore(apper.App().db.DB, apper.App().db.driverName)) if err != nil { return fmt.Errorf("migrate: %s", err) } return nil } // ResetPassword runs the interactive password reset process. func ResetPassword(apper Apper, username string) error { // Connect to the database apper.LoadConfig() connectToDatabase(apper.App()) defer shutdown(apper.App()) // Fetch user u, err := apper.App().db.GetUserForAuth(username) if err != nil { log.Error("Get user: %s", err) os.Exit(1) } // Prompt for new password prompt := promptui.Prompt{ Templates: &promptui.PromptTemplates{ Success: "{{ . | bold | faint }}: ", }, Label: "New password", Mask: '*', } newPass, err := prompt.Run() if err != nil { log.Error("%s", err) os.Exit(1) } // Do the update log.Info("Updating...") err = adminResetPassword(apper.App(), u, newPass) if err != nil { log.Error("%s", err) os.Exit(1) } log.Info("Success.") return nil } func connectToDatabase(app *App) { log.Info("Connecting to %s database...", app.cfg.Database.Type) var db *sql.DB var err error if app.cfg.Database.Type == driverMySQL { db, err = sql.Open(app.cfg.Database.Type, fmt.Sprintf("%s:%s@tcp(%s:%d)/%s?charset=utf8mb4&parseTime=true&loc=%s", app.cfg.Database.User, app.cfg.Database.Password, app.cfg.Database.Host, app.cfg.Database.Port, app.cfg.Database.Database, url.QueryEscape(time.Local.String()))) db.SetMaxOpenConns(50) } else if app.cfg.Database.Type == driverSQLite { if !SQLiteEnabled { log.Error("Invalid database type '%s'. Binary wasn't compiled with SQLite3 support.", app.cfg.Database.Type) os.Exit(1) } if app.cfg.Database.FileName == "" { log.Error("SQLite database filename value in config.ini is empty.") os.Exit(1) } db, err = sql.Open("sqlite3_with_regex", app.cfg.Database.FileName+"?parseTime=true&cached=shared") db.SetMaxOpenConns(1) } else { log.Error("Invalid database type '%s'. Only 'mysql' and 'sqlite3' are supported right now.", app.cfg.Database.Type) os.Exit(1) } if err != nil { log.Error("%s", err) os.Exit(1) } app.db = &datastore{db, app.cfg.Database.Type} } func shutdown(app *App) { log.Info("Closing database connection...") app.db.Close() } // CreateUser creates a new admin or normal user from the given credentials. func CreateUser(apper Apper, username, password string, isAdmin bool) error { // Create an admin user with --create-admin apper.LoadConfig() connectToDatabase(apper.App()) defer shutdown(apper.App()) // Ensure an admin / first user doesn't already exist firstUser, _ := apper.App().db.GetUserByID(1) if isAdmin { // Abort if trying to create admin user, but one already exists if firstUser != nil { return fmt.Errorf("Admin user already exists (%s). Create a regular user with: writefreely --create-user", firstUser.Username) } } else { // Abort if trying to create regular user, but no admin exists yet if firstUser == nil { return fmt.Errorf("No admin user exists yet. Create an admin first with: writefreely --create-admin") } } // Create the user // Normalize and validate username desiredUsername := username username = getSlug(username, "") usernameDesc := username if username != desiredUsername { usernameDesc += " (originally: " + desiredUsername + ")" } if !author.IsValidUsername(apper.App().cfg, username) { return fmt.Errorf("Username %s is invalid, reserved, or shorter than configured minimum length (%d characters).", usernameDesc, apper.App().cfg.App.MinUsernameLen) } // Hash the password hashedPass, err := auth.HashPass([]byte(password)) if err != nil { return fmt.Errorf("Unable to hash password: %v", err) } u := &User{ Username: username, HashedPass: hashedPass, Created: time.Now().Truncate(time.Second).UTC(), } userType := "user" if isAdmin { userType = "admin" } log.Info("Creating %s %s...", userType, usernameDesc) err = apper.App().db.CreateUser(apper.App().Config(), u, desiredUsername) if err != nil { return fmt.Errorf("Unable to create user: %s", err) } log.Info("Done!") return nil } func adminInitDatabase(app *App) error { schemaFileName := "schema.sql" if app.cfg.Database.Type == driverSQLite { schemaFileName = "sqlite.sql" } schema, err := Asset(schemaFileName) if err != nil { return fmt.Errorf("Unable to load schema file: %v", err) } tblReg := regexp.MustCompile("CREATE TABLE (IF NOT EXISTS )?`([a-z_]+)`") queries := strings.Split(string(schema), ";\n") for _, q := range queries { if strings.TrimSpace(q) == "" { continue } parts := tblReg.FindStringSubmatch(q) if len(parts) >= 3 { log.Info("Creating table %s...", parts[2]) } else { log.Info("Creating table ??? (Weird query) No match in: %v", parts) } _, err = app.db.Exec(q) if err != nil { log.Error("%s", err) } else { log.Info("Created.") } } // Set up migrations table log.Info("Initializing appmigrations table...") err = migrations.SetInitialMigrations(migrations.NewDatastore(app.db.DB, app.db.driverName)) if err != nil { return fmt.Errorf("Unable to set initial migrations: %v", err) } log.Info("Running migrations...") err = migrations.Migrate(migrations.NewDatastore(app.db.DB, app.db.driverName)) if err != nil { return fmt.Errorf("migrate: %s", err) } log.Info("Done.") return nil } diff --git a/collections.go b/collections.go index 3e86f30..54ddc8a 100644 --- a/collections.go +++ b/collections.go @@ -1,1122 +1,1122 @@ /* * Copyright © 2018 A Bunch Tell LLC. * * This file is part of WriteFreely. * * WriteFreely is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License, included * in the LICENSE file in this source code package. */ package writefreely import ( "database/sql" "encoding/json" "fmt" "html/template" "math" "net/http" "net/url" "regexp" "strconv" "strings" "unicode" "github.com/gorilla/mux" "github.com/writeas/impart" "github.com/writeas/web-core/activitystreams" "github.com/writeas/web-core/auth" "github.com/writeas/web-core/bots" "github.com/writeas/web-core/log" waposts "github.com/writeas/web-core/posts" "github.com/writeas/writefreely/author" "github.com/writeas/writefreely/config" "github.com/writeas/writefreely/page" ) type ( // TODO: add Direction to db // TODO: add Language to db Collection struct { ID int64 `datastore:"id" json:"-"` Alias string `datastore:"alias" schema:"alias" json:"alias"` Title string `datastore:"title" schema:"title" json:"title"` Description string `datastore:"description" schema:"description" json:"description"` Direction string `schema:"dir" json:"dir,omitempty"` Language string `schema:"lang" json:"lang,omitempty"` StyleSheet string `datastore:"style_sheet" schema:"style_sheet" json:"style_sheet"` Script string `datastore:"script" schema:"script" json:"script,omitempty"` Public bool `datastore:"public" json:"public"` Visibility collVisibility `datastore:"private" json:"-"` Format string `datastore:"format" json:"format,omitempty"` Views int64 `json:"views"` OwnerID int64 `datastore:"owner_id" json:"-"` PublicOwner bool `datastore:"public_owner" json:"-"` URL string `json:"url,omitempty"` db *datastore hostName string } CollectionObj struct { Collection TotalPosts int `json:"total_posts"` Owner *User `json:"owner,omitempty"` Posts *[]PublicPost `json:"posts,omitempty"` } DisplayCollection struct { *CollectionObj Prefix string IsTopLevel bool CurrentPage int TotalPages int Format *CollectionFormat Suspended bool } SubmittedCollection struct { // Data used for updating a given collection ID int64 OwnerID uint64 // Form helpers PreferURL string `schema:"prefer_url" json:"prefer_url"` Privacy int `schema:"privacy" json:"privacy"` Pass string `schema:"password" json:"password"` MathJax bool `schema:"mathjax" json:"mathjax"` Handle string `schema:"handle" json:"handle"` // Actual collection values updated in the DB Alias *string `schema:"alias" json:"alias"` Title *string `schema:"title" json:"title"` Description *string `schema:"description" json:"description"` StyleSheet *sql.NullString `schema:"style_sheet" json:"style_sheet"` Script *sql.NullString `schema:"script" json:"script"` Visibility *int `schema:"visibility" json:"public"` Format *sql.NullString `schema:"format" json:"format"` } CollectionFormat struct { Format string } collectionReq struct { // Information about the collection request itself prefix, alias, domain string isCustomDomain bool // User-related fields isCollOwner bool } ) func (sc *SubmittedCollection) FediverseHandle() string { if sc.Handle == "" { return apCustomHandleDefault } return getSlug(sc.Handle, "") } // collVisibility represents the visibility level for the collection. type collVisibility int // Visibility levels. Values are bitmasks, stored in the database as // decimal numbers. If adding types, append them to this list. If removing, // replace the desired visibility with a new value. const CollUnlisted collVisibility = 0 const ( CollPublic collVisibility = 1 << iota CollPrivate CollProtected ) var collVisibilityStrings = map[string]collVisibility{ "unlisted": CollUnlisted, "public": CollPublic, "private": CollPrivate, "protected": CollProtected, } func defaultVisibility(cfg *config.Config) collVisibility { vis, ok := collVisibilityStrings[cfg.App.DefaultVisibility] if !ok { vis = CollUnlisted } return vis } func (cf *CollectionFormat) Ascending() bool { return cf.Format == "novel" } func (cf *CollectionFormat) ShowDates() bool { return cf.Format == "blog" } func (cf *CollectionFormat) PostsPerPage() int { if cf.Format == "novel" { return postsPerPage } return postsPerPage } // Valid returns whether or not a format value is valid. func (cf *CollectionFormat) Valid() bool { return cf.Format == "blog" || cf.Format == "novel" || cf.Format == "notebook" } // NewFormat creates a new CollectionFormat object from the Collection. func (c *Collection) NewFormat() *CollectionFormat { cf := &CollectionFormat{Format: c.Format} // Fill in default format if cf.Format == "" { cf.Format = "blog" } return cf } func (c *Collection) IsUnlisted() bool { return c.Visibility == 0 } func (c *Collection) IsPrivate() bool { return c.Visibility&CollPrivate != 0 } func (c *Collection) IsProtected() bool { return c.Visibility&CollProtected != 0 } func (c *Collection) IsPublic() bool { return c.Visibility&CollPublic != 0 } func (c *Collection) FriendlyVisibility() string { if c.IsPrivate() { return "Private" } if c.IsPublic() { return "Public" } if c.IsProtected() { return "Password-protected" } return "Unlisted" } func (c *Collection) ShowFooterBranding() bool { // TODO: implement this setting return true } // CanonicalURL returns a fully-qualified URL to the collection. func (c *Collection) CanonicalURL() string { return c.RedirectingCanonicalURL(false) } func (c *Collection) DisplayCanonicalURL() string { us := c.CanonicalURL() u, err := url.Parse(us) if err != nil { return us } p := u.Path if p == "/" { p = "" } return u.Hostname() + p } func (c *Collection) RedirectingCanonicalURL(isRedir bool) string { if c.hostName == "" { // If this is true, the human programmers screwed up. So ask for a bug report and fail, fail, fail log.Error("[PROGRAMMER ERROR] WARNING: Collection.hostName is empty! Federation and many other things will fail! If you're seeing this in the wild, please report this bug and let us know what you were doing just before this: https://github.com/writeas/writefreely/issues/new?template=bug_report.md") } if isSingleUser { return c.hostName + "/" } return fmt.Sprintf("%s/%s/", c.hostName, c.Alias) } // PrevPageURL provides a full URL for the previous page of collection posts, // returning a /page/N result for pages >1 func (c *Collection) PrevPageURL(prefix string, n int, tl bool) string { u := "" if n == 2 { // Previous page is 1; no need for /page/ prefix if prefix == "" { u = "/" } // Else leave off trailing slash } else { u = fmt.Sprintf("/page/%d", n-1) } if tl { return u } return "/" + prefix + c.Alias + u } // NextPageURL provides a full URL for the next page of collection posts func (c *Collection) NextPageURL(prefix string, n int, tl bool) string { if tl { return fmt.Sprintf("/page/%d", n+1) } return fmt.Sprintf("/%s%s/page/%d", prefix, c.Alias, n+1) } func (c *Collection) DisplayTitle() string { if c.Title != "" { return c.Title } return c.Alias } func (c *Collection) StyleSheetDisplay() template.CSS { return template.CSS(c.StyleSheet) } // ForPublic modifies the Collection for public consumption, such as via // the API. func (c *Collection) ForPublic() { c.URL = c.CanonicalURL() } var isAvatarChar = regexp.MustCompile("[a-z0-9]").MatchString func (c *Collection) PersonObject(ids ...int64) *activitystreams.Person { accountRoot := c.FederatedAccount() p := activitystreams.NewPerson(accountRoot) p.URL = c.CanonicalURL() uname := c.Alias p.PreferredUsername = uname p.Name = c.DisplayTitle() p.Summary = c.Description if p.Name != "" { if av := c.AvatarURL(); av != "" { p.Icon = activitystreams.Image{ Type: "Image", MediaType: "image/png", URL: av, } } } collID := c.ID if len(ids) > 0 { collID = ids[0] } pub, priv := c.db.GetAPActorKeys(collID) if pub != nil { p.AddPubKey(pub) p.SetPrivKey(priv) } return p } func (c *Collection) AvatarURL() string { fl := string(unicode.ToLower([]rune(c.DisplayTitle())[0])) if !isAvatarChar(fl) { return "" } return c.hostName + "/img/avatars/" + fl + ".png" } func (c *Collection) FederatedAPIBase() string { return c.hostName + "/" } func (c *Collection) FederatedAccount() string { accountUser := c.Alias return c.FederatedAPIBase() + "api/collections/" + accountUser } func (c *Collection) RenderMathJax() bool { return c.db.CollectionHasAttribute(c.ID, "render_mathjax") } func newCollection(app *App, w http.ResponseWriter, r *http.Request) error { - reqJSON := IsJSON(r.Header.Get("Content-Type")) + reqJSON := IsJSON(r) alias := r.FormValue("alias") title := r.FormValue("title") var missingParams, accessToken string var u *User c := struct { Alias string `json:"alias" schema:"alias"` Title string `json:"title" schema:"title"` Web bool `json:"web" schema:"web"` }{} if reqJSON { // Decode JSON request decoder := json.NewDecoder(r.Body) err := decoder.Decode(&c) if err != nil { log.Error("Couldn't parse post update JSON request: %v\n", err) return ErrBadJSON } } else { // TODO: move form parsing to formDecoder c.Alias = alias c.Title = title } if c.Alias == "" { if c.Title != "" { // If only a title was given, just use it to generate the alias. c.Alias = getSlug(c.Title, "") } else { missingParams += "`alias` " } } if c.Title == "" { missingParams += "`title` " } if missingParams != "" { return impart.HTTPError{http.StatusBadRequest, fmt.Sprintf("Parameter(s) %srequired.", missingParams)} } var userID int64 var err error if reqJSON && !c.Web { accessToken = r.Header.Get("Authorization") if accessToken == "" { return ErrNoAccessToken } userID = app.db.GetUserID(accessToken) if userID == -1 { return ErrBadAccessToken } } else { u = getUserSession(app, r) if u == nil { return ErrNotLoggedIn } userID = u.ID } suspended, err := app.db.IsUserSuspended(userID) if err != nil { log.Error("new collection: %v", err) return ErrInternalGeneral } if suspended { return ErrUserSuspended } if !author.IsValidUsername(app.cfg, c.Alias) { return impart.HTTPError{http.StatusPreconditionFailed, "Collection alias isn't valid."} } coll, err := app.db.CreateCollection(app.cfg, c.Alias, c.Title, userID) if err != nil { // TODO: handle this return err } res := &CollectionObj{Collection: *coll} if reqJSON { return impart.WriteSuccess(w, res, http.StatusCreated) } redirectTo := "/me/c/" // TODO: redirect to pad when necessary return impart.HTTPError{http.StatusFound, redirectTo} } func apiCheckCollectionPermissions(app *App, r *http.Request, c *Collection) (int64, error) { accessToken := r.Header.Get("Authorization") var userID int64 = -1 if accessToken != "" { userID = app.db.GetUserID(accessToken) } isCollOwner := userID == c.OwnerID if c.IsPrivate() && !isCollOwner { // Collection is private, but user isn't authenticated return -1, ErrCollectionNotFound } if c.IsProtected() { // TODO: check access token return -1, ErrCollectionUnauthorizedRead } return userID, nil } // fetchCollection handles the API endpoint for retrieving collection data. func fetchCollection(app *App, w http.ResponseWriter, r *http.Request) error { accept := r.Header.Get("Accept") if strings.Contains(accept, "application/activity+json") { return handleFetchCollectionActivities(app, w, r) } vars := mux.Vars(r) alias := vars["alias"] // TODO: move this logic into a common getCollection function // Get base Collection data c, err := app.db.GetCollection(alias) if err != nil { return err } c.hostName = app.cfg.App.Host // Redirect users who aren't requesting JSON - reqJSON := IsJSON(r.Header.Get("Content-Type")) + reqJSON := IsJSON(r) if !reqJSON { return impart.HTTPError{http.StatusFound, c.CanonicalURL()} } // Check permissions userID, err := apiCheckCollectionPermissions(app, r, c) if err != nil { return err } isCollOwner := userID == c.OwnerID // Fetch extra data about the Collection res := &CollectionObj{Collection: *c} if c.PublicOwner { u, err := app.db.GetUserByID(res.OwnerID) if err != nil { // Log the error and just continue log.Error("Error getting user for collection: %v", err) } else { res.Owner = u } } // TODO: check suspended app.db.GetPostsCount(res, isCollOwner) // Strip non-public information res.Collection.ForPublic() return impart.WriteSuccess(w, res, http.StatusOK) } // fetchCollectionPosts handles an API endpoint for retrieving a collection's // posts. func fetchCollectionPosts(app *App, w http.ResponseWriter, r *http.Request) error { vars := mux.Vars(r) alias := vars["alias"] c, err := app.db.GetCollection(alias) if err != nil { return err } c.hostName = app.cfg.App.Host // Check permissions userID, err := apiCheckCollectionPermissions(app, r, c) if err != nil { return err } isCollOwner := userID == c.OwnerID // Get page page := 1 if p := r.FormValue("page"); p != "" { pInt, _ := strconv.Atoi(p) if pInt > 0 { page = pInt } } posts, err := app.db.GetPosts(app.cfg, c, page, isCollOwner, false, false) if err != nil { return err } coll := &CollectionObj{Collection: *c, Posts: posts} app.db.GetPostsCount(coll, isCollOwner) // Strip non-public information coll.Collection.ForPublic() // Transform post bodies if needed if r.FormValue("body") == "html" { for _, p := range *coll.Posts { p.Content = waposts.ApplyMarkdown([]byte(p.Content)) } } return impart.WriteSuccess(w, coll, http.StatusOK) } type CollectionPage struct { page.StaticPage *DisplayCollection IsCustomDomain bool IsWelcome bool IsOwner bool CanPin bool Username string Collections *[]Collection PinnedPosts *[]PublicPost IsAdmin bool CanInvite bool } func (c *CollectionObj) ScriptDisplay() template.JS { return template.JS(c.Script) } var jsSourceCommentReg = regexp.MustCompile("(?m)^// src:(.+)$") func (c *CollectionObj) ExternalScripts() []template.URL { scripts := []template.URL{} if c.Script == "" { return scripts } matches := jsSourceCommentReg.FindAllStringSubmatch(c.Script, -1) for _, m := range matches { scripts = append(scripts, template.URL(strings.TrimSpace(m[1]))) } return scripts } func (c *CollectionObj) CanShowScript() bool { return false } func processCollectionRequest(cr *collectionReq, vars map[string]string, w http.ResponseWriter, r *http.Request) error { cr.prefix = vars["prefix"] cr.alias = vars["collection"] // Normalize the URL, redirecting user to consistent post URL if cr.alias != strings.ToLower(cr.alias) { return impart.HTTPError{http.StatusMovedPermanently, fmt.Sprintf("/%s/", strings.ToLower(cr.alias))} } return nil } // processCollectionPermissions checks the permissions for the given // collectionReq, returning a Collection if access is granted; otherwise this // renders any necessary collection pages, for example, if requesting a custom // domain that doesn't yet have a collection associated, or if a collection // requires a password. In either case, this will return nil, nil -- thus both // values should ALWAYS be checked to determine whether or not to continue. func processCollectionPermissions(app *App, cr *collectionReq, u *User, w http.ResponseWriter, r *http.Request) (*Collection, error) { // Display collection if this is a collection var c *Collection var err error if app.cfg.App.SingleUser { c, err = app.db.GetCollectionByID(1) } else { c, err = app.db.GetCollection(cr.alias) } // TODO: verify we don't reveal the existence of a private collection with redirection if err != nil { if err, ok := err.(impart.HTTPError); ok { if err.Status == http.StatusNotFound { if cr.isCustomDomain { // User is on the site from a custom domain //tErr := pages["404-domain.tmpl"].ExecuteTemplate(w, "base", pageForHost(page.StaticPage{}, r)) //if tErr != nil { //log.Error("Unable to render 404-domain page: %v", err) //} return nil, nil } if len(cr.alias) >= minIDLen && len(cr.alias) <= maxIDLen { // Alias is within post ID range, so just be sure this isn't a post if app.db.PostIDExists(cr.alias) { // TODO: use StatusFound for vanity post URLs when we implement them return nil, impart.HTTPError{http.StatusMovedPermanently, "/" + cr.alias} } } // Redirect if necessary newAlias := app.db.GetCollectionRedirect(cr.alias) if newAlias != "" { return nil, impart.HTTPError{http.StatusFound, "/" + newAlias + "/"} } } } return nil, err } c.hostName = app.cfg.App.Host // Update CollectionRequest to reflect owner status cr.isCollOwner = u != nil && u.ID == c.OwnerID // Check permissions if !cr.isCollOwner { if c.IsPrivate() { return nil, ErrCollectionNotFound } else if c.IsProtected() { uname := "" if u != nil { uname = u.Username } // See if we've authorized this collection authd := isAuthorizedForCollection(app, c.Alias, r) if !authd { p := struct { page.StaticPage *CollectionObj Username string Next string Flashes []template.HTML }{ StaticPage: pageForReq(app, r), CollectionObj: &CollectionObj{Collection: *c}, Username: uname, Next: r.FormValue("g"), Flashes: []template.HTML{}, } // Get owner information p.CollectionObj.Owner, err = app.db.GetUserByID(c.OwnerID) if err != nil { // Log the error and just continue log.Error("Error getting user for collection: %v", err) } flashes, _ := getSessionFlashes(app, w, r, nil) for _, flash := range flashes { p.Flashes = append(p.Flashes, template.HTML(flash)) } err = templates["password-collection"].ExecuteTemplate(w, "password-collection", p) if err != nil { log.Error("Unable to render password-collection: %v", err) return nil, err } return nil, nil } } } return c, nil } func checkUserForCollection(app *App, cr *collectionReq, r *http.Request, isPostReq bool) (*User, error) { u := getUserSession(app, r) return u, nil } func newDisplayCollection(c *Collection, cr *collectionReq, page int) *DisplayCollection { coll := &DisplayCollection{ CollectionObj: &CollectionObj{Collection: *c}, CurrentPage: page, Prefix: cr.prefix, IsTopLevel: isSingleUser, Format: c.NewFormat(), } c.db.GetPostsCount(coll.CollectionObj, cr.isCollOwner) return coll } func getCollectionPage(vars map[string]string) int { page := 1 var p int p, _ = strconv.Atoi(vars["page"]) if p > 0 { page = p } return page } // handleViewCollection displays the requested Collection func handleViewCollection(app *App, w http.ResponseWriter, r *http.Request) error { vars := mux.Vars(r) cr := &collectionReq{} err := processCollectionRequest(cr, vars, w, r) if err != nil { return err } u, err := checkUserForCollection(app, cr, r, false) if err != nil { return err } page := getCollectionPage(vars) c, err := processCollectionPermissions(app, cr, u, w, r) if c == nil || err != nil { return err } c.hostName = app.cfg.App.Host suspended, err := app.db.IsUserSuspended(c.OwnerID) if err != nil { log.Error("view collection: %v", err) return ErrInternalGeneral } // Serve ActivityStreams data now, if requested if strings.Contains(r.Header.Get("Accept"), "application/activity+json") { ac := c.PersonObject() ac.Context = []interface{}{activitystreams.Namespace} return impart.RenderActivityJSON(w, ac, http.StatusOK) } // Fetch extra data about the Collection // TODO: refactor out this logic, shared in collection.go:fetchCollection() coll := newDisplayCollection(c, cr, page) coll.TotalPages = int(math.Ceil(float64(coll.TotalPosts) / float64(coll.Format.PostsPerPage()))) if coll.TotalPages > 0 && page > coll.TotalPages { redirURL := fmt.Sprintf("/page/%d", coll.TotalPages) if !app.cfg.App.SingleUser { redirURL = fmt.Sprintf("/%s%s%s", cr.prefix, coll.Alias, redirURL) } return impart.HTTPError{http.StatusFound, redirURL} } coll.Posts, _ = app.db.GetPosts(app.cfg, c, page, cr.isCollOwner, false, false) // Serve collection displayPage := CollectionPage{ DisplayCollection: coll, StaticPage: pageForReq(app, r), IsCustomDomain: cr.isCustomDomain, IsWelcome: r.FormValue("greeting") != "", } displayPage.IsAdmin = u != nil && u.IsAdmin() displayPage.CanInvite = canUserInvite(app.cfg, displayPage.IsAdmin) var owner *User if u != nil { displayPage.Username = u.Username displayPage.IsOwner = u.ID == coll.OwnerID if displayPage.IsOwner { // Add in needed information for users viewing their own collection owner = u displayPage.CanPin = true pubColls, err := app.db.GetPublishableCollections(owner, app.cfg.App.Host) if err != nil { log.Error("unable to fetch collections: %v", err) } displayPage.Collections = pubColls } } isOwner := owner != nil if !isOwner { // Current user doesn't own collection; retrieve owner information owner, err = app.db.GetUserByID(coll.OwnerID) if err != nil { // Log the error and just continue log.Error("Error getting user for collection: %v", err) } } if !isOwner && suspended { return ErrCollectionNotFound } displayPage.Suspended = isOwner && suspended displayPage.Owner = owner coll.Owner = displayPage.Owner // Add more data // TODO: fix this mess of collections inside collections displayPage.PinnedPosts, _ = app.db.GetPinnedPosts(coll.CollectionObj, isOwner) collTmpl := "collection" if app.cfg.App.Chorus { collTmpl = "chorus-collection" } err = templates[collTmpl].ExecuteTemplate(w, "collection", displayPage) if err != nil { log.Error("Unable to render collection index: %v", err) } // Update collection view count go func() { // Don't update if owner is viewing the collection. if u != nil && u.ID == coll.OwnerID { return } // Only update for human views if r.Method == "HEAD" || bots.IsBot(r.UserAgent()) { return } _, err := app.db.Exec("UPDATE collections SET view_count = view_count + 1 WHERE id = ?", coll.ID) if err != nil { log.Error("Unable to update collections count: %v", err) } }() return err } func handleViewCollectionTag(app *App, w http.ResponseWriter, r *http.Request) error { vars := mux.Vars(r) tag := vars["tag"] cr := &collectionReq{} err := processCollectionRequest(cr, vars, w, r) if err != nil { return err } u, err := checkUserForCollection(app, cr, r, false) if err != nil { return err } page := getCollectionPage(vars) c, err := processCollectionPermissions(app, cr, u, w, r) if c == nil || err != nil { return err } coll := newDisplayCollection(c, cr, page) coll.Posts, _ = app.db.GetPostsTagged(app.cfg, c, tag, page, cr.isCollOwner) if coll.Posts != nil && len(*coll.Posts) == 0 { return ErrCollectionPageNotFound } // Serve collection displayPage := struct { CollectionPage Tag string }{ CollectionPage: CollectionPage{ DisplayCollection: coll, StaticPage: pageForReq(app, r), IsCustomDomain: cr.isCustomDomain, }, Tag: tag, } var owner *User if u != nil { displayPage.Username = u.Username displayPage.IsOwner = u.ID == coll.OwnerID if displayPage.IsOwner { // Add in needed information for users viewing their own collection owner = u displayPage.CanPin = true pubColls, err := app.db.GetPublishableCollections(owner, app.cfg.App.Host) if err != nil { log.Error("unable to fetch collections: %v", err) } displayPage.Collections = pubColls } } isOwner := owner != nil if !isOwner { // Current user doesn't own collection; retrieve owner information owner, err = app.db.GetUserByID(coll.OwnerID) if err != nil { // Log the error and just continue log.Error("Error getting user for collection: %v", err) } } if !isOwner && u.IsSilenced() { return ErrCollectionNotFound } displayPage.Suspended = u.IsSilenced() displayPage.Owner = owner coll.Owner = displayPage.Owner // Add more data // TODO: fix this mess of collections inside collections displayPage.PinnedPosts, _ = app.db.GetPinnedPosts(coll.CollectionObj, isOwner) err = templates["collection-tags"].ExecuteTemplate(w, "collection-tags", displayPage) if err != nil { log.Error("Unable to render collection tag page: %v", err) } return nil } func handleCollectionPostRedirect(app *App, w http.ResponseWriter, r *http.Request) error { vars := mux.Vars(r) slug := vars["slug"] cr := &collectionReq{} err := processCollectionRequest(cr, vars, w, r) if err != nil { return err } // Normalize the URL, redirecting user to consistent post URL loc := fmt.Sprintf("/%s", slug) if !app.cfg.App.SingleUser { loc = fmt.Sprintf("/%s/%s", cr.alias, slug) } return impart.HTTPError{http.StatusFound, loc} } func existingCollection(app *App, w http.ResponseWriter, r *http.Request) error { - reqJSON := IsJSON(r.Header.Get("Content-Type")) + reqJSON := IsJSON(r) vars := mux.Vars(r) collAlias := vars["alias"] isWeb := r.FormValue("web") == "1" u := &User{} if reqJSON && !isWeb { // Ensure an access token was given accessToken := r.Header.Get("Authorization") u.ID = app.db.GetUserID(accessToken) if u.ID == -1 { return ErrBadAccessToken } } else { u = getUserSession(app, r) if u == nil { return ErrNotLoggedIn } } suspended, err := app.db.IsUserSuspended(u.ID) if err != nil { log.Error("existing collection: %v", err) return ErrInternalGeneral } if suspended { return ErrUserSuspended } if r.Method == "DELETE" { err := app.db.DeleteCollection(collAlias, u.ID) if err != nil { // TODO: if not HTTPError, report error to admin log.Error("Unable to delete collection: %s", err) return err } addSessionFlash(app, w, r, "Deleted your blog, "+collAlias+".", nil) return impart.HTTPError{Status: http.StatusNoContent} } c := SubmittedCollection{OwnerID: uint64(u.ID)} if reqJSON { // Decode JSON request decoder := json.NewDecoder(r.Body) err = decoder.Decode(&c) if err != nil { log.Error("Couldn't parse collection update JSON request: %v\n", err) return ErrBadJSON } } else { err = r.ParseForm() if err != nil { log.Error("Couldn't parse collection update form request: %v\n", err) return ErrBadFormData } err = app.formDecoder.Decode(&c, r.PostForm) if err != nil { log.Error("Couldn't decode collection update form request: %v\n", err) return ErrBadFormData } } err = app.db.UpdateCollection(&c, collAlias) if err != nil { if err, ok := err.(impart.HTTPError); ok { if reqJSON { return err } addSessionFlash(app, w, r, err.Message, nil) return impart.HTTPError{http.StatusFound, "/me/c/" + collAlias} } else { log.Error("Couldn't update collection: %v\n", err) return err } } if reqJSON { return impart.WriteSuccess(w, struct { }{}, http.StatusOK) } addSessionFlash(app, w, r, "Blog updated!", nil) return impart.HTTPError{http.StatusFound, "/me/c/" + collAlias} } // collectionAliasFromReq takes a request and returns the collection alias // if it can be ascertained, as well as whether or not the collection uses a // custom domain. func collectionAliasFromReq(r *http.Request) string { vars := mux.Vars(r) alias := vars["subdomain"] isSubdomain := alias != "" if !isSubdomain { // Fall back to write.as/{collection} since this isn't a custom domain alias = vars["collection"] } return alias } func handleWebCollectionUnlock(app *App, w http.ResponseWriter, r *http.Request) error { var readReq struct { Alias string `schema:"alias" json:"alias"` Pass string `schema:"password" json:"password"` Next string `schema:"to" json:"to"` } // Get params if impart.ReqJSON(r) { decoder := json.NewDecoder(r.Body) err := decoder.Decode(&readReq) if err != nil { log.Error("Couldn't parse readReq JSON request: %v\n", err) return ErrBadJSON } } else { err := r.ParseForm() if err != nil { log.Error("Couldn't parse readReq form request: %v\n", err) return ErrBadFormData } err = app.formDecoder.Decode(&readReq, r.PostForm) if err != nil { log.Error("Couldn't decode readReq form request: %v\n", err) return ErrBadFormData } } if readReq.Alias == "" { return impart.HTTPError{http.StatusBadRequest, "Need a collection `alias` to read."} } if readReq.Pass == "" { return impart.HTTPError{http.StatusBadRequest, "Please supply a password."} } var collHashedPass []byte err := app.db.QueryRow("SELECT password FROM collectionpasswords INNER JOIN collections ON id = collection_id WHERE alias = ?", readReq.Alias).Scan(&collHashedPass) if err != nil { if err == sql.ErrNoRows { log.Error("No collectionpassword found when trying to read collection %s", readReq.Alias) return impart.HTTPError{http.StatusInternalServerError, "Something went very wrong. The humans have been alerted."} } return err } if !auth.Authenticated(collHashedPass, []byte(readReq.Pass)) { return impart.HTTPError{http.StatusUnauthorized, "Incorrect password."} } // Success; set cookie session, err := app.sessionStore.Get(r, blogPassCookieName) if err == nil { session.Values[readReq.Alias] = true err = session.Save(r, w) if err != nil { log.Error("Didn't save unlocked blog '%s': %v", readReq.Alias, err) } } next := "/" + readReq.Next if !app.cfg.App.SingleUser { next = "/" + readReq.Alias + next } return impart.HTTPError{http.StatusFound, next} } func isAuthorizedForCollection(app *App, alias string, r *http.Request) bool { authd := false session, err := app.sessionStore.Get(r, blogPassCookieName) if err == nil { _, authd = session.Values[alias] } return authd } diff --git a/export.go b/export.go index 3b5ac49..592bc0c 100644 --- a/export.go +++ b/export.go @@ -1,131 +1,132 @@ /* * Copyright © 2018-2019 A Bunch Tell LLC. * * This file is part of WriteFreely. * * WriteFreely is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License, included * in the LICENSE file in this source code package. */ package writefreely import ( "archive/zip" "bytes" "encoding/csv" "strings" "time" "github.com/writeas/web-core/log" ) -func exportPostsCSV(u *User, posts *[]PublicPost) []byte { +func exportPostsCSV(hostName string, u *User, posts *[]PublicPost) []byte { var b bytes.Buffer r := [][]string{ {"id", "slug", "blog", "url", "created", "title", "body"}, } for _, p := range *posts { var blog string if p.Collection != nil { blog = p.Collection.Alias + p.Collection.hostName = hostName } - f := []string{p.ID, p.Slug.String, blog, p.CanonicalURL(), p.Created8601(), p.Title.String, strings.Replace(p.Content, "\n", "\\n", -1)} + f := []string{p.ID, p.Slug.String, blog, p.CanonicalURL(hostName), p.Created8601(), p.Title.String, strings.Replace(p.Content, "\n", "\\n", -1)} r = append(r, f) } w := csv.NewWriter(&b) w.WriteAll(r) // calls Flush internally if err := w.Error(); err != nil { log.Info("error writing csv: %v", err) } return b.Bytes() } type exportedTxt struct { Name, Title, Body string Mod time.Time } func exportPostsZip(u *User, posts *[]PublicPost) []byte { // Create a buffer to write our archive to. b := new(bytes.Buffer) // Create a new zip archive. w := zip.NewWriter(b) // Add some files to the archive. var filename string files := []exportedTxt{} for _, p := range *posts { filename = "" if p.Collection != nil { filename += p.Collection.Alias + "/" } if p.Slug.String != "" { filename += p.Slug.String + "_" } filename += p.ID + ".txt" files = append(files, exportedTxt{filename, p.Title.String, p.Content, p.Created}) } for _, file := range files { head := &zip.FileHeader{Name: file.Name} head.SetModTime(file.Mod) f, err := w.CreateHeader(head) if err != nil { log.Error("export zip header: %v", err) } var fullPost string if file.Title != "" { fullPost = "# " + file.Title + "\n\n" } fullPost += file.Body _, err = f.Write([]byte(fullPost)) if err != nil { log.Error("export zip write: %v", err) } } // Make sure to check the error on Close. err := w.Close() if err != nil { log.Error("export zip close: %v", err) } return b.Bytes() } func compileFullExport(app *App, u *User) *ExportUser { exportUser := &ExportUser{ User: u, } colls, err := app.db.GetCollections(u, app.cfg.App.Host) if err != nil { log.Error("unable to fetch collections: %v", err) } posts, err := app.db.GetAnonymousPosts(u) if err != nil { log.Error("unable to fetch anon posts: %v", err) } exportUser.AnonymousPosts = *posts var collObjs []CollectionObj for _, c := range *colls { co := &CollectionObj{Collection: c} co.Posts, err = app.db.GetPosts(app.cfg, &c, 0, true, false, true) if err != nil { log.Error("unable to get collection posts: %v", err) } app.db.GetPostsCount(co, true) collObjs = append(collObjs, *co) } exportUser.Collections = &collObjs return exportUser } diff --git a/go.mod b/go.mod index 9c67aeb..88af8c9 100644 --- a/go.mod +++ b/go.mod @@ -1,60 +1,60 @@ module github.com/writeas/writefreely require ( github.com/BurntSushi/toml v0.3.1 // indirect github.com/alecthomas/gometalinter v3.0.0+incompatible // indirect github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf // indirect github.com/captncraig/cors v0.0.0-20180620154129-376d45073b49 // indirect github.com/clbanning/mxj v1.8.4 // indirect github.com/dustin/go-humanize v1.0.0 github.com/fatih/color v1.7.0 github.com/go-sql-driver/mysql v1.4.1 github.com/go-test/deep v1.0.1 // indirect github.com/golang/lint v0.0.0-20181217174547-8f45f776aaf1 // indirect github.com/gopherjs/gopherjs v0.0.0-20181103185306-d547d1d9531e // indirect github.com/gorilla/feeds v1.1.0 github.com/gorilla/mux v1.7.0 github.com/gorilla/schema v1.0.2 github.com/gorilla/sessions v1.1.3 github.com/guregu/null v3.4.0+incompatible github.com/ikeikeikeike/go-sitemap-generator/v2 v2.0.2 github.com/jtolds/gls v4.2.1+incompatible // indirect github.com/kylemcc/twitter-text-go v0.0.0-20180726194232-7f582f6736ec github.com/lunixbochs/vtclean v1.0.0 // indirect github.com/manifoldco/promptui v0.3.2 github.com/mattn/go-colorable v0.1.0 // indirect github.com/mattn/go-sqlite3 v1.10.0 github.com/microcosm-cc/bluemonday v1.0.2 github.com/mitchellh/go-wordwrap v1.0.0 github.com/nicksnyder/go-i18n v1.10.0 // indirect github.com/nu7hatch/gouuid v0.0.0-20131221200532-179d4d0c4d8d github.com/pelletier/go-toml v1.2.0 // indirect github.com/pkg/errors v0.8.1 // indirect github.com/rainycape/unidecode v0.0.0-20150907023854-cb7f23ec59be // indirect github.com/shurcooL/sanitized_anchor_name v1.0.0 // indirect github.com/smartystreets/assertions v0.0.0-20190116191733-b6c0e53d7304 // indirect github.com/smartystreets/goconvey v0.0.0-20181108003508-044398e4856c // indirect github.com/stretchr/testify v1.3.0 // indirect github.com/writeas/activity v0.1.2 github.com/writeas/go-strip-markdown v2.0.1+incompatible github.com/writeas/go-webfinger v0.0.0-20190106002315-85cf805c86d2 github.com/writeas/httpsig v1.0.0 github.com/writeas/impart v1.1.0 github.com/writeas/monday v0.0.0-20181024183321-54a7dd579219 github.com/writeas/nerds v1.0.0 github.com/writeas/openssl-go v1.0.0 // indirect github.com/writeas/saturday v1.7.1 github.com/writeas/slug v1.2.0 - github.com/writeas/web-core v1.0.0 + github.com/writeas/web-core v1.2.0 github.com/writefreely/go-nodeinfo v1.2.0 golang.org/x/crypto v0.0.0-20190208162236-193df9c0f06f golang.org/x/lint v0.0.0-20181217174547-8f45f776aaf1 // indirect golang.org/x/net v0.0.0-20190206173232-65e2d4e15006 // indirect golang.org/x/sys v0.0.0-20190209173611-3b5209105503 // indirect golang.org/x/tools v0.0.0-20190208222737-3744606dbb67 // indirect google.golang.org/appengine v1.4.0 // indirect gopkg.in/alecthomas/kingpin.v3-unstable v3.0.0-20180810215634-df19058c872c // indirect gopkg.in/ini.v1 v1.41.0 gopkg.in/yaml.v1 v1.0.0-20140924161607-9f9df34309c0 // indirect gopkg.in/yaml.v2 v2.2.2 // indirect ) diff --git a/go.sum b/go.sum index ec1e19d..b256223 100644 --- a/go.sum +++ b/go.sum @@ -1,172 +1,174 @@ github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ= github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU= github.com/alecthomas/gometalinter v2.0.11+incompatible/go.mod h1:qfIpQGGz3d+NmgyPBqv+LSh50emm1pt72EtcX2vKYQk= github.com/alecthomas/gometalinter v3.0.0+incompatible h1:e9Zfvfytsw/e6Kd/PYd75wggK+/kX5Xn8IYDUKyc5fU= github.com/alecthomas/gometalinter v3.0.0+incompatible/go.mod h1:qfIpQGGz3d+NmgyPBqv+LSh50emm1pt72EtcX2vKYQk= github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf h1:qet1QNfXsQxTZqLG4oE62mJzwPIB8+Tee4RNCL9ulrY= github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0= github.com/beevik/etree v1.1.0 h1:T0xke/WvNtMoCqgzPhkX2r4rjY3GDZFi+FjpRZY2Jbs= github.com/beevik/etree v1.1.0/go.mod h1:r8Aw8JqVegEf0w2fDnATrX9VpkMcyFeM0FhwO62wh+A= github.com/captncraig/cors v0.0.0-20180620154129-376d45073b49 h1:jWNY1NDg6a/c8RSXkai7IX6UOhir0LD39I4Dukg+4Ks= github.com/captncraig/cors v0.0.0-20180620154129-376d45073b49/go.mod h1:EIlIeMufZ8nqdUhnesledB15xLRl4wIJUppwDLPrdrQ= github.com/chzyer/logex v1.1.10 h1:Swpa1K6QvQznwJRcfTfQJmTE72DqScAa40E+fbHEXEE= github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI= github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e h1:fY5BOSpyZCqRo5OhCuC+XN+r/bBCmeuuJtjz+bCNIf8= github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI= github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1 h1:q763qf9huN11kDQavWsoZXJNW3xEE4JJyHa5Q25/sd8= github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU= github.com/clbanning/mxj v1.8.3/go.mod h1:BVjHeAH+rl9rs6f+QIpeRl0tfu10SXn1pUSa5PVGJng= github.com/clbanning/mxj v1.8.4 h1:HuhwZtbyvyOw+3Z1AowPkU87JkJUSv751ELWaiTpj8I= github.com/clbanning/mxj v1.8.4/go.mod h1:BVjHeAH+rl9rs6f+QIpeRl0tfu10SXn1pUSa5PVGJng= github.com/client9/misspell v0.3.4 h1:ta993UF76GwbvJcIo3Y68y/M3WxlpEHPWIGDkJYwzJI= github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw= github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c= github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= github.com/dustin/go-humanize v1.0.0 h1:VSnTsYCnlFHaM2/igO1h6X3HA71jcobQuxemgkq4zYo= github.com/dustin/go-humanize v1.0.0/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk= github.com/fatih/color v1.7.0 h1:DkWD4oS2D8LGGgTQ6IvwJJXSL5Vp2ffcQg58nFV38Ys= github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4= github.com/fatih/structs v1.1.0 h1:Q7juDM0QtcnhCpeyLGQKyg4TOIghuNXrkL32pHAUMxo= github.com/fatih/structs v1.1.0/go.mod h1:9NiDSp5zOcgEDl+j00MP/WkGVPOlPRLejGD8Ga6PJ7M= github.com/go-fed/httpsig v0.1.0/go.mod h1:T56HUNYZUQ1AGUzhAYPugZfp36sKApVnGBgKlIY+aIE= github.com/go-sql-driver/mysql v1.4.1 h1:g24URVg0OFbNUTx9qqY1IRZ9D9z3iPyi5zKhQZpNwpA= github.com/go-sql-driver/mysql v1.4.1/go.mod h1:zAC/RDZ24gD3HViQzih4MyKcchzm+sOG5ZlKdlhCg5w= github.com/go-test/deep v1.0.1 h1:UQhStjbkDClarlmv0am7OXXO4/GaPdCGiUiMTvi28sg= github.com/go-test/deep v1.0.1/go.mod h1:wGDj63lr65AM2AQyKZd/NYHGb0R+1RLqB8NKt3aSFNA= github.com/golang/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:tluoj9z5200jBnyusfRPU2LqT6J+DAorxEvtC7LHB+E= github.com/golang/lint v0.0.0-20181217174547-8f45f776aaf1 h1:6DVPu65tee05kY0/rciBQ47ue+AnuY8KTayV6VHikIo= github.com/golang/lint v0.0.0-20181217174547-8f45f776aaf1/go.mod h1:tluoj9z5200jBnyusfRPU2LqT6J+DAorxEvtC7LHB+E= github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U= github.com/google/shlex v0.0.0-20181106134648-c34317bd91bf h1:7+FW5aGwISbqUtkfmIpZJGRgNFg2ioYPvFaUxdqpDsg= github.com/google/shlex v0.0.0-20181106134648-c34317bd91bf/go.mod h1:RpwtwJQFrIEPstU94h88MWPXP2ektJZ8cZ0YntAmXiE= github.com/gopherjs/gopherjs v0.0.0-20181103185306-d547d1d9531e h1:JKmoR8x90Iww1ks85zJ1lfDGgIiMDuIptTOhJq+zKyg= github.com/gopherjs/gopherjs v0.0.0-20181103185306-d547d1d9531e/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY= github.com/gordonklaus/ineffassign v0.0.0-20180909121442-1003c8bd00dc h1:cJlkeAx1QYgO5N80aF5xRGstVsRQwgLR7uA2FnP1ZjY= github.com/gordonklaus/ineffassign v0.0.0-20180909121442-1003c8bd00dc/go.mod h1:cuNKsD1zp2v6XfE/orVX2QE1LC+i254ceGcVeDT3pTU= github.com/gorilla/context v1.1.1 h1:AWwleXJkX/nhcU9bZSnZoi3h/qGYqQAGhq6zZe/aQW8= github.com/gorilla/context v1.1.1/go.mod h1:kBGZzfjB9CEq2AlWe17Uuf7NDRt0dE0s8S51q0aT7Yg= github.com/gorilla/feeds v1.1.0 h1:pcgLJhbdYgaUESnj3AmXPcB7cS3vy63+jC/TI14AGXk= github.com/gorilla/feeds v1.1.0/go.mod h1:Nk0jZrvPFZX1OBe5NPiddPw7CfwF6Q9eqzaBbaightA= github.com/gorilla/mux v1.7.0 h1:tOSd0UKHQd6urX6ApfOn4XdBMY6Sh1MfxV3kmaazO+U= github.com/gorilla/mux v1.7.0/go.mod h1:1lud6UwP+6orDFRuTfBEV8e9/aOM/c4fVVCaMa2zaAs= github.com/gorilla/schema v1.0.2 h1:sAgNfOcNYvdDSrzGHVy9nzCQahG+qmsg+nE8dK85QRA= github.com/gorilla/schema v1.0.2/go.mod h1:kgLaKoK1FELgZqMAVxx/5cbj0kT+57qxUrAlIO2eleU= github.com/gorilla/securecookie v1.1.1 h1:miw7JPhV+b/lAHSXz4qd/nN9jRiAFV5FwjeKyCS8BvQ= github.com/gorilla/securecookie v1.1.1/go.mod h1:ra0sb63/xPlUeL+yeDciTfxMRAA+MP+HVt/4epWDjd4= github.com/gorilla/sessions v1.1.3 h1:uXoZdcdA5XdXF3QzuSlheVRUvjl+1rKY7zBXL68L9RU= github.com/gorilla/sessions v1.1.3/go.mod h1:8KCfur6+4Mqcc6S0FEfKuN15Vl5MgXW92AE8ovaJD0w= github.com/guregu/null v3.4.0+incompatible h1:a4mw37gBO7ypcBlTJeZGuMpSxxFTV9qFfFKgWxQSGaM= github.com/guregu/null v3.4.0+incompatible/go.mod h1:ePGpQaN9cw0tj45IR5E5ehMvsFlLlQZAkkOXZurJ3NM= github.com/ikeikeikeike/go-sitemap-generator/v2 v2.0.2 h1:wIdDEle9HEy7vBPjC6oKz6ejs3Ut+jmsYvuOoAW2pSM= github.com/ikeikeikeike/go-sitemap-generator/v2 v2.0.2/go.mod h1:WtaVKD9TeruTED9ydiaOJU08qGoEPP/LyzTKiD3jEsw= github.com/jtolds/gls v4.2.1+incompatible h1:fSuqC+Gmlu6l/ZYAoZzx2pyucC8Xza35fpRVWLVmUEE= github.com/jtolds/gls v4.2.1+incompatible/go.mod h1:QJZ7F/aHp+rZTRtaJ1ow/lLfFfVYBRgL+9YlvaHOwJU= github.com/juju/ansiterm v0.0.0-20180109212912-720a0952cc2a h1:FaWFmfWdAUKbSCtOU2QjDaorUexogfaMgbipgYATUMU= github.com/juju/ansiterm v0.0.0-20180109212912-720a0952cc2a/go.mod h1:UJSiEoRfvx3hP73CvoARgeLjaIOjybY9vj8PUPPFGeU= github.com/kr/pretty v0.1.0 h1:L/CwN0zerZDmRFUapSPitk6f+Q3+0za1rQkzVuMiMFI= github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo= github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ= github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE= github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI= github.com/kylemcc/twitter-text-go v0.0.0-20180726194232-7f582f6736ec h1:ZXWuspqypleMuJy4bzYEqlMhJnGAYpLrWe5p7W3CdvI= github.com/kylemcc/twitter-text-go v0.0.0-20180726194232-7f582f6736ec/go.mod h1:voECJzdraJmolzPBgL9Z7ANwXf4oMXaTCsIkdiPpR/g= github.com/lunixbochs/vtclean v0.0.0-20180621232353-2d01aacdc34a h1:weJVJJRzAJBFRlAiJQROKQs8oC9vOxvm4rZmBBk0ONw= github.com/lunixbochs/vtclean v0.0.0-20180621232353-2d01aacdc34a/go.mod h1:pHhQNgMf3btfWnGBVipUOjRYhoOsdGqdm/+2c2E2WMI= github.com/lunixbochs/vtclean v1.0.0 h1:xu2sLAri4lGiovBDQKxl5mrXyESr3gUr5m5SM5+LVb8= github.com/lunixbochs/vtclean v1.0.0/go.mod h1:pHhQNgMf3btfWnGBVipUOjRYhoOsdGqdm/+2c2E2WMI= github.com/manifoldco/promptui v0.3.2 h1:rir7oByTERac6jhpHUPErHuopoRDvO3jxS+FdadEns8= github.com/manifoldco/promptui v0.3.2/go.mod h1:8JU+igZ+eeiiRku4T5BjtKh2ms8sziGpSYl1gN8Bazw= github.com/mattn/go-colorable v0.0.9 h1:UVL0vNpWh04HeJXV0KLcaT7r06gOH2l4OW6ddYRUIY4= github.com/mattn/go-colorable v0.0.9/go.mod h1:9vuHe8Xs5qXnSaW/c/ABM9alt+Vo+STaOChaDxuIBZU= github.com/mattn/go-colorable v0.1.0 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h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw= gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= diff --git a/handle.go b/handle.go index 99c23ae..7e410f5 100644 --- a/handle.go +++ b/handle.go @@ -1,848 +1,848 @@ /* * Copyright © 2018-2019 A Bunch Tell LLC. * * This file is part of WriteFreely. * * WriteFreely is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License, included * in the LICENSE file in this source code package. */ package writefreely import ( "fmt" "html/template" "net/http" "net/url" "runtime/debug" "strconv" "strings" "time" "github.com/gorilla/sessions" "github.com/writeas/impart" "github.com/writeas/web-core/log" "github.com/writeas/writefreely/config" "github.com/writeas/writefreely/page" ) // UserLevel represents the required user level for accessing an endpoint type UserLevel int const ( UserLevelNoneType UserLevel = iota // user or not -- ignored UserLevelOptionalType // user or not -- object fetched if user UserLevelNoneRequiredType // non-user (required) UserLevelUserType // user (required) ) func UserLevelNone(cfg *config.Config) UserLevel { return UserLevelNoneType } func UserLevelOptional(cfg *config.Config) UserLevel { return UserLevelOptionalType } func UserLevelNoneRequired(cfg *config.Config) UserLevel { return UserLevelNoneRequiredType } func UserLevelUser(cfg *config.Config) UserLevel { return UserLevelUserType } // UserLevelReader returns the permission level required for any route where // users can read published content. func UserLevelReader(cfg *config.Config) UserLevel { if cfg.App.Private { return UserLevelUserType } return UserLevelOptionalType } type ( handlerFunc func(app *App, w http.ResponseWriter, r *http.Request) error userHandlerFunc func(app *App, u *User, w http.ResponseWriter, r *http.Request) error userApperHandlerFunc func(apper Apper, u *User, w http.ResponseWriter, r *http.Request) error dataHandlerFunc func(app *App, w http.ResponseWriter, r *http.Request) ([]byte, string, error) authFunc func(app *App, r *http.Request) (*User, error) UserLevelFunc func(cfg *config.Config) UserLevel ) type Handler struct { errors *ErrorPages sessionStore *sessions.CookieStore app Apper } // ErrorPages hold template HTML error pages for displaying errors to the user. // In each, there should be a defined template named "base". type ErrorPages struct { NotFound *template.Template Gone *template.Template InternalServerError *template.Template Blank *template.Template } // NewHandler returns a new Handler instance, using the given StaticPage data, // and saving alias to the application's CookieStore. func NewHandler(apper Apper) *Handler { h := &Handler{ errors: &ErrorPages{ NotFound: template.Must(template.New("").Parse("{{define \"base\"}}404

Not found.

{{end}}")), Gone: template.Must(template.New("").Parse("{{define \"base\"}}410

Gone.

{{end}}")), InternalServerError: template.Must(template.New("").Parse("{{define \"base\"}}500

Internal server error.

{{end}}")), Blank: template.Must(template.New("").Parse("{{define \"base\"}}{{.Title}}

{{.Content}}

{{end}}")), }, sessionStore: apper.App().sessionStore, app: apper, } return h } // NewWFHandler returns a new Handler instance, using WriteFreely template files. // You MUST call writefreely.InitTemplates() before this. func NewWFHandler(apper Apper) *Handler { h := NewHandler(apper) h.SetErrorPages(&ErrorPages{ NotFound: pages["404-general.tmpl"], Gone: pages["410.tmpl"], InternalServerError: pages["500.tmpl"], Blank: pages["blank.tmpl"], }) return h } // SetErrorPages sets the given set of ErrorPages as templates for any errors // that come up. func (h *Handler) SetErrorPages(e *ErrorPages) { h.errors = e } // User handles requests made in the web application by the authenticated user. // This provides user-friendly HTML pages and actions that work in the browser. func (h *Handler) User(f userHandlerFunc) http.HandlerFunc { return func(w http.ResponseWriter, r *http.Request) { h.handleHTTPError(w, r, func() error { var status int start := time.Now() defer func() { if e := recover(); e != nil { log.Error("%s: %s", e, debug.Stack()) h.errors.InternalServerError.ExecuteTemplate(w, "base", pageForReq(h.app.App(), r)) status = http.StatusInternalServerError } log.Info(h.app.ReqLog(r, status, time.Since(start))) }() u := getUserSession(h.app.App(), r) if u == nil { err := ErrNotLoggedIn status = err.Status return err } err := f(h.app.App(), u, w, r) if err == nil { status = http.StatusOK } else if err, ok := err.(impart.HTTPError); ok { status = err.Status } else { status = http.StatusInternalServerError } return err }()) } } // Admin handles requests on /admin routes func (h *Handler) Admin(f userHandlerFunc) http.HandlerFunc { return func(w http.ResponseWriter, r *http.Request) { h.handleHTTPError(w, r, func() error { var status int start := time.Now() defer func() { if e := recover(); e != nil { log.Error("%s: %s", e, debug.Stack()) h.errors.InternalServerError.ExecuteTemplate(w, "base", pageForReq(h.app.App(), r)) status = http.StatusInternalServerError } log.Info(h.app.ReqLog(r, status, time.Since(start))) }() u := getUserSession(h.app.App(), r) if u == nil || !u.IsAdmin() { err := impart.HTTPError{http.StatusNotFound, ""} status = err.Status return err } err := f(h.app.App(), u, w, r) if err == nil { status = http.StatusOK } else if err, ok := err.(impart.HTTPError); ok { status = err.Status } else { status = http.StatusInternalServerError } return err }()) } } // AdminApper handles requests on /admin routes that require an Apper. func (h *Handler) AdminApper(f userApperHandlerFunc) http.HandlerFunc { return func(w http.ResponseWriter, r *http.Request) { h.handleHTTPError(w, r, func() error { var status int start := time.Now() defer func() { if e := recover(); e != nil { log.Error("%s: %s", e, debug.Stack()) h.errors.InternalServerError.ExecuteTemplate(w, "base", pageForReq(h.app.App(), r)) status = http.StatusInternalServerError } log.Info(h.app.ReqLog(r, status, time.Since(start))) }() u := getUserSession(h.app.App(), r) if u == nil || !u.IsAdmin() { err := impart.HTTPError{http.StatusNotFound, ""} status = err.Status return err } err := f(h.app, u, w, r) if err == nil { status = http.StatusOK } else if err, ok := err.(impart.HTTPError); ok { status = err.Status } else { status = http.StatusInternalServerError } return err }()) } } func apiAuth(app *App, r *http.Request) (*User, error) { // Authorize user from Authorization header t := r.Header.Get("Authorization") if t == "" { return nil, ErrNoAccessToken } u := &User{ID: app.db.GetUserID(t)} if u.ID == -1 { return nil, ErrBadAccessToken } return u, nil } // optionaAPIAuth is used for endpoints that accept authenticated requests via // Authorization header or cookie, unlike apiAuth. It returns a different err // in the case where no Authorization header is present. func optionalAPIAuth(app *App, r *http.Request) (*User, error) { // Authorize user from Authorization header t := r.Header.Get("Authorization") if t == "" { return nil, ErrNotLoggedIn } u := &User{ID: app.db.GetUserID(t)} if u.ID == -1 { return nil, ErrBadAccessToken } return u, nil } func webAuth(app *App, r *http.Request) (*User, error) { u := getUserSession(app, r) if u == nil { return nil, ErrNotLoggedIn } return u, nil } // UserAPI handles requests made in the API by the authenticated user. // This provides user-friendly HTML pages and actions that work in the browser. func (h *Handler) UserAPI(f userHandlerFunc) http.HandlerFunc { return h.UserAll(false, f, apiAuth) } func (h *Handler) UserAll(web bool, f userHandlerFunc, a authFunc) http.HandlerFunc { return func(w http.ResponseWriter, r *http.Request) { handleFunc := func() error { var status int start := time.Now() defer func() { if e := recover(); e != nil { log.Error("%s: %s", e, debug.Stack()) impart.WriteError(w, impart.HTTPError{http.StatusInternalServerError, "Something didn't work quite right."}) status = 500 } log.Info(h.app.ReqLog(r, status, time.Since(start))) }() u, err := a(h.app.App(), r) if err != nil { if err, ok := err.(impart.HTTPError); ok { status = err.Status } else { status = 500 } return err } err = f(h.app.App(), u, w, r) if err == nil { status = 200 } else if err, ok := err.(impart.HTTPError); ok { status = err.Status } else { status = 500 } return err } if web { h.handleHTTPError(w, r, handleFunc()) } else { h.handleError(w, r, handleFunc()) } } } func (h *Handler) RedirectOnErr(f handlerFunc, loc string) handlerFunc { return func(app *App, w http.ResponseWriter, r *http.Request) error { err := f(app, w, r) if err != nil { if ie, ok := err.(impart.HTTPError); ok { // Override default redirect with returned error's, if it's a // redirect error. if ie.Status == http.StatusFound { return ie } } return impart.HTTPError{http.StatusFound, loc} } return nil } } func (h *Handler) Page(n string) http.HandlerFunc { return h.Web(func(app *App, w http.ResponseWriter, r *http.Request) error { t, ok := pages[n] if !ok { return impart.HTTPError{http.StatusNotFound, "Page not found."} } sp := pageForReq(app, r) err := t.ExecuteTemplate(w, "base", sp) if err != nil { log.Error("Unable to render page: %v", err) } return err }, UserLevelOptional) } func (h *Handler) WebErrors(f handlerFunc, ul UserLevelFunc) http.HandlerFunc { return func(w http.ResponseWriter, r *http.Request) { // TODO: factor out this logic shared with Web() h.handleHTTPError(w, r, func() error { var status int start := time.Now() defer func() { if e := recover(); e != nil { u := getUserSession(h.app.App(), r) username := "None" if u != nil { username = u.Username } log.Error("User: %s\n\n%s: %s", username, e, debug.Stack()) h.errors.InternalServerError.ExecuteTemplate(w, "base", pageForReq(h.app.App(), r)) status = 500 } log.Info(h.app.ReqLog(r, status, time.Since(start))) }() var session *sessions.Session var err error if ul(h.app.App().cfg) != UserLevelNoneType { session, err = h.sessionStore.Get(r, cookieName) if err != nil && (ul(h.app.App().cfg) == UserLevelNoneRequiredType || ul(h.app.App().cfg) == UserLevelUserType) { // Cookie is required, but we can ignore this error log.Error("Handler: Unable to get session (for user permission %d); ignoring: %v", ul(h.app.App().cfg), err) } _, gotUser := session.Values[cookieUserVal].(*User) if ul(h.app.App().cfg) == UserLevelNoneRequiredType && gotUser { to := correctPageFromLoginAttempt(r) log.Info("Handler: Required NO user, but got one. Redirecting to %s", to) err := impart.HTTPError{http.StatusFound, to} status = err.Status return err } else if ul(h.app.App().cfg) == UserLevelUserType && !gotUser { log.Info("Handler: Required a user, but DIDN'T get one. Sending not logged in.") err := ErrNotLoggedIn status = err.Status return err } } // TODO: pass User object to function err = f(h.app.App(), w, r) if err == nil { status = 200 } else if httpErr, ok := err.(impart.HTTPError); ok { status = httpErr.Status if status < 300 || status > 399 { addSessionFlash(h.app.App(), w, r, httpErr.Message, session) return impart.HTTPError{http.StatusFound, r.Referer()} } } else { e := fmt.Sprintf("[Web handler] 500: %v", err) if !strings.HasSuffix(e, "write: broken pipe") { log.Error(e) } else { log.Error(e) } log.Info("Web handler internal error render") h.errors.InternalServerError.ExecuteTemplate(w, "base", pageForReq(h.app.App(), r)) status = 500 } return err }()) } } func (h *Handler) CollectionPostOrStatic(w http.ResponseWriter, r *http.Request) { if strings.Contains(r.URL.Path, ".") && !isRaw(r) { start := time.Now() status := 200 defer func() { log.Info(h.app.ReqLog(r, status, time.Since(start))) }() // Serve static file h.app.App().shttp.ServeHTTP(w, r) return } h.Web(viewCollectionPost, UserLevelReader)(w, r) } // Web handles requests made in the web application. This provides user- // friendly HTML pages and actions that work in the browser. func (h *Handler) Web(f handlerFunc, ul UserLevelFunc) http.HandlerFunc { return func(w http.ResponseWriter, r *http.Request) { h.handleHTTPError(w, r, func() error { var status int start := time.Now() defer func() { if e := recover(); e != nil { u := getUserSession(h.app.App(), r) username := "None" if u != nil { username = u.Username } log.Error("User: %s\n\n%s: %s", username, e, debug.Stack()) log.Info("Web deferred internal error render") h.errors.InternalServerError.ExecuteTemplate(w, "base", pageForReq(h.app.App(), r)) status = 500 } log.Info(h.app.ReqLog(r, status, time.Since(start))) }() if ul(h.app.App().cfg) != UserLevelNoneType { session, err := h.sessionStore.Get(r, cookieName) if err != nil && (ul(h.app.App().cfg) == UserLevelNoneRequiredType || ul(h.app.App().cfg) == UserLevelUserType) { // Cookie is required, but we can ignore this error log.Error("Handler: Unable to get session (for user permission %d); ignoring: %v", ul(h.app.App().cfg), err) } _, gotUser := session.Values[cookieUserVal].(*User) if ul(h.app.App().cfg) == UserLevelNoneRequiredType && gotUser { to := correctPageFromLoginAttempt(r) log.Info("Handler: Required NO user, but got one. Redirecting to %s", to) err := impart.HTTPError{http.StatusFound, to} status = err.Status return err } else if ul(h.app.App().cfg) == UserLevelUserType && !gotUser { log.Info("Handler: Required a user, but DIDN'T get one. Sending not logged in.") err := ErrNotLoggedIn status = err.Status return err } } // TODO: pass User object to function err := f(h.app.App(), w, r) if err == nil { status = 200 } else if httpErr, ok := err.(impart.HTTPError); ok { status = httpErr.Status } else { e := fmt.Sprintf("[Web handler] 500: %v", err) log.Error(e) log.Info("Web internal error render") h.errors.InternalServerError.ExecuteTemplate(w, "base", pageForReq(h.app.App(), r)) status = 500 } return err }()) } } func (h *Handler) All(f handlerFunc) http.HandlerFunc { return func(w http.ResponseWriter, r *http.Request) { h.handleError(w, r, func() error { // TODO: return correct "success" status status := 200 start := time.Now() defer func() { if e := recover(); e != nil { log.Error("%s:\n%s", e, debug.Stack()) impart.WriteError(w, impart.HTTPError{http.StatusInternalServerError, "Something didn't work quite right."}) status = 500 } log.Info(h.app.ReqLog(r, status, time.Since(start))) }() // TODO: do any needed authentication err := f(h.app.App(), w, r) if err != nil { if err, ok := err.(impart.HTTPError); ok { status = err.Status } else { status = 500 } } return err }()) } } func (h *Handler) AllReader(f handlerFunc) http.HandlerFunc { return func(w http.ResponseWriter, r *http.Request) { h.handleError(w, r, func() error { status := 200 start := time.Now() defer func() { if e := recover(); e != nil { log.Error("%s:\n%s", e, debug.Stack()) impart.WriteError(w, impart.HTTPError{http.StatusInternalServerError, "Something didn't work quite right."}) status = 500 } log.Info(h.app.ReqLog(r, status, time.Since(start))) }() if h.app.App().cfg.App.Private { // This instance is private, so ensure it's being accessed by a valid user // Check if authenticated with an access token _, apiErr := optionalAPIAuth(h.app.App(), r) if apiErr != nil { if err, ok := apiErr.(impart.HTTPError); ok { status = err.Status } else { status = 500 } if apiErr == ErrNotLoggedIn { // Fall back to web auth since there was no access token given _, err := webAuth(h.app.App(), r) if err != nil { if err, ok := apiErr.(impart.HTTPError); ok { status = err.Status } else { status = 500 } return err } } else { return apiErr } } } err := f(h.app.App(), w, r) if err != nil { if err, ok := err.(impart.HTTPError); ok { status = err.Status } else { status = 500 } } return err }()) } } func (h *Handler) Download(f dataHandlerFunc, ul UserLevelFunc) http.HandlerFunc { return func(w http.ResponseWriter, r *http.Request) { h.handleHTTPError(w, r, func() error { var status int start := time.Now() defer func() { if e := recover(); e != nil { log.Error("%s: %s", e, debug.Stack()) h.errors.InternalServerError.ExecuteTemplate(w, "base", pageForReq(h.app.App(), r)) status = 500 } log.Info(h.app.ReqLog(r, status, time.Since(start))) }() data, filename, err := f(h.app.App(), w, r) if err != nil { if err, ok := err.(impart.HTTPError); ok { status = err.Status } else { status = 500 } return err } ext := ".json" ct := "application/json" if strings.HasSuffix(r.URL.Path, ".csv") { ext = ".csv" ct = "text/csv" } else if strings.HasSuffix(r.URL.Path, ".zip") { ext = ".zip" ct = "application/zip" } w.Header().Set("Content-Disposition", fmt.Sprintf("attachment; filename=%s%s", filename, ext)) w.Header().Set("Content-Type", ct) w.Header().Set("Content-Length", strconv.Itoa(len(data))) fmt.Fprint(w, string(data)) status = 200 return nil }()) } } func (h *Handler) Redirect(url string, ul UserLevelFunc) http.HandlerFunc { return func(w http.ResponseWriter, r *http.Request) { h.handleHTTPError(w, r, func() error { start := time.Now() var status int if ul(h.app.App().cfg) != UserLevelNoneType { session, err := h.sessionStore.Get(r, cookieName) if err != nil && (ul(h.app.App().cfg) == UserLevelNoneRequiredType || ul(h.app.App().cfg) == UserLevelUserType) { // Cookie is required, but we can ignore this error log.Error("Handler: Unable to get session (for user permission %d); ignoring: %v", ul(h.app.App().cfg), err) } _, gotUser := session.Values[cookieUserVal].(*User) if ul(h.app.App().cfg) == UserLevelNoneRequiredType && gotUser { to := correctPageFromLoginAttempt(r) log.Info("Handler: Required NO user, but got one. Redirecting to %s", to) err := impart.HTTPError{http.StatusFound, to} status = err.Status return err } else if ul(h.app.App().cfg) == UserLevelUserType && !gotUser { log.Info("Handler: Required a user, but DIDN'T get one. Sending not logged in.") err := ErrNotLoggedIn status = err.Status return err } } status = sendRedirect(w, http.StatusFound, url) log.Info(h.app.ReqLog(r, status, time.Since(start))) return nil }()) } } func (h *Handler) handleHTTPError(w http.ResponseWriter, r *http.Request, err error) { if err == nil { return } if err, ok := err.(impart.HTTPError); ok { if err.Status >= 300 && err.Status < 400 { sendRedirect(w, err.Status, err.Message) return } else if err.Status == http.StatusUnauthorized { q := "" if r.URL.RawQuery != "" { q = url.QueryEscape("?" + r.URL.RawQuery) } sendRedirect(w, http.StatusFound, "/login?to="+r.URL.Path+q) return } else if err.Status == http.StatusGone { w.WriteHeader(err.Status) p := &struct { page.StaticPage Content *template.HTML }{ StaticPage: pageForReq(h.app.App(), r), } if err.Message != "" { co := template.HTML(err.Message) p.Content = &co } h.errors.Gone.ExecuteTemplate(w, "base", p) return } else if err.Status == http.StatusNotFound { w.WriteHeader(err.Status) if strings.Contains(r.Header.Get("Accept"), "application/activity+json") { // This is a fediverse request; simply return the header return } h.errors.NotFound.ExecuteTemplate(w, "base", pageForReq(h.app.App(), r)) return } else if err.Status == http.StatusInternalServerError { w.WriteHeader(err.Status) log.Info("handleHTTPErorr internal error render") h.errors.InternalServerError.ExecuteTemplate(w, "base", pageForReq(h.app.App(), r)) return } else if err.Status == http.StatusAccepted { impart.WriteSuccess(w, "", err.Status) return } else { p := &struct { page.StaticPage Title string Content template.HTML }{ pageForReq(h.app.App(), r), fmt.Sprintf("Uh oh (%d)", err.Status), template.HTML(fmt.Sprintf("

%s

", err.Message)), } h.errors.Blank.ExecuteTemplate(w, "base", p) return } impart.WriteError(w, err) return } impart.WriteError(w, impart.HTTPError{http.StatusInternalServerError, "This is an unhelpful error message for a miscellaneous internal error."}) } func (h *Handler) handleError(w http.ResponseWriter, r *http.Request, err error) { if err == nil { return } if err, ok := err.(impart.HTTPError); ok { if err.Status >= 300 && err.Status < 400 { sendRedirect(w, err.Status, err.Message) return } // if strings.Contains(r.Header.Get("Accept"), "text/html") { impart.WriteError(w, err) // } return } - if IsJSON(r.Header.Get("Content-Type")) { + if IsJSON(r) { impart.WriteError(w, impart.HTTPError{http.StatusInternalServerError, "This is an unhelpful error message for a miscellaneous internal error."}) return } h.errors.InternalServerError.ExecuteTemplate(w, "base", pageForReq(h.app.App(), r)) } func correctPageFromLoginAttempt(r *http.Request) string { to := r.FormValue("to") if to == "" { to = "/" } else if !strings.HasPrefix(to, "/") { to = "/" + to } return to } func (h *Handler) LogHandlerFunc(f http.HandlerFunc) http.HandlerFunc { return func(w http.ResponseWriter, r *http.Request) { h.handleHTTPError(w, r, func() error { status := 200 start := time.Now() defer func() { if e := recover(); e != nil { log.Error("Handler.LogHandlerFunc\n\n%s: %s", e, debug.Stack()) h.errors.InternalServerError.ExecuteTemplate(w, "base", pageForReq(h.app.App(), r)) status = 500 } // TODO: log actual status code returned log.Info(h.app.ReqLog(r, status, time.Since(start))) }() if h.app.App().cfg.App.Private { // This instance is private, so ensure it's being accessed by a valid user // Check if authenticated with an access token _, apiErr := optionalAPIAuth(h.app.App(), r) if apiErr != nil { if err, ok := apiErr.(impart.HTTPError); ok { status = err.Status } else { status = 500 } if apiErr == ErrNotLoggedIn { // Fall back to web auth since there was no access token given _, err := webAuth(h.app.App(), r) if err != nil { if err, ok := apiErr.(impart.HTTPError); ok { status = err.Status } else { status = 500 } return err } } else { return apiErr } } } f(w, r) return nil }()) } } func sendRedirect(w http.ResponseWriter, code int, location string) int { w.Header().Set("Location", location) w.WriteHeader(code) return code } diff --git a/posts.go b/posts.go index 6974a4f..2a6fe74 100644 --- a/posts.go +++ b/posts.go @@ -1,1535 +1,1535 @@ /* * Copyright © 2018-2019 A Bunch Tell LLC. * * This file is part of WriteFreely. * * WriteFreely is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License, included * in the LICENSE file in this source code package. */ package writefreely import ( "database/sql" "encoding/json" "fmt" "html/template" "net/http" "regexp" "strings" "time" "github.com/gorilla/mux" "github.com/guregu/null" "github.com/guregu/null/zero" "github.com/kylemcc/twitter-text-go/extract" "github.com/microcosm-cc/bluemonday" stripmd "github.com/writeas/go-strip-markdown" "github.com/writeas/impart" "github.com/writeas/monday" "github.com/writeas/slug" "github.com/writeas/web-core/activitystreams" "github.com/writeas/web-core/bots" "github.com/writeas/web-core/converter" "github.com/writeas/web-core/i18n" "github.com/writeas/web-core/log" "github.com/writeas/web-core/tags" "github.com/writeas/writefreely/config" "github.com/writeas/writefreely/page" "github.com/writeas/writefreely/parse" ) const ( // Post ID length bounds minIDLen = 10 maxIDLen = 10 userPostIDLen = 10 postIDLen = 10 postMetaDateFormat = "2006-01-02 15:04:05" ) type ( AnonymousPost struct { ID string Content string HTMLContent template.HTML Font string Language string Direction string Title string GenTitle string Description string Author string Views int64 IsPlainText bool IsCode bool IsLinkable bool } AuthenticatedPost struct { ID string `json:"id" schema:"id"` Web bool `json:"web" schema:"web"` *SubmittedPost } // SubmittedPost represents a post supplied by a client for publishing or // updating. Since Title and Content can be updated to "", they are // pointers that can be easily tested to detect changes. SubmittedPost struct { Slug *string `json:"slug" schema:"slug"` Title *string `json:"title" schema:"title"` Content *string `json:"body" schema:"body"` Font string `json:"font" schema:"font"` IsRTL converter.NullJSONBool `json:"rtl" schema:"rtl"` Language converter.NullJSONString `json:"lang" schema:"lang"` Created *string `json:"created" schema:"created"` } // Post represents a post as found in the database. Post struct { ID string `db:"id" json:"id"` Slug null.String `db:"slug" json:"slug,omitempty"` Font string `db:"text_appearance" json:"appearance"` Language zero.String `db:"language" json:"language"` RTL zero.Bool `db:"rtl" json:"rtl"` Privacy int64 `db:"privacy" json:"-"` OwnerID null.Int `db:"owner_id" json:"-"` CollectionID null.Int `db:"collection_id" json:"-"` PinnedPosition null.Int `db:"pinned_position" json:"-"` Created time.Time `db:"created" json:"created"` Updated time.Time `db:"updated" json:"updated"` ViewCount int64 `db:"view_count" json:"-"` Title zero.String `db:"title" json:"title"` HTMLTitle template.HTML `db:"title" json:"-"` Content string `db:"content" json:"body"` HTMLContent template.HTML `db:"content" json:"-"` HTMLExcerpt template.HTML `db:"content" json:"-"` Tags []string `json:"tags"` Images []string `json:"images,omitempty"` OwnerName string `json:"owner,omitempty"` } // PublicPost holds properties for a publicly returned post, i.e. a post in // a context where the viewer may not be the owner. As such, sensitive // metadata for the post is hidden and properties supporting the display of // the post are added. PublicPost struct { *Post IsSubdomain bool `json:"-"` IsTopLevel bool `json:"-"` DisplayDate string `json:"-"` Views int64 `json:"views"` Owner *PublicUser `json:"-"` IsOwner bool `json:"-"` Collection *CollectionObj `json:"collection,omitempty"` } RawPost struct { Id, Slug string Title string Content string Views int64 Font string Created time.Time IsRTL sql.NullBool Language sql.NullString OwnerID int64 CollectionID sql.NullInt64 Found bool Gone bool } AnonymousAuthPost struct { ID string `json:"id"` Token string `json:"token"` } ClaimPostRequest struct { *AnonymousAuthPost CollectionAlias string `json:"collection"` CreateCollection bool `json:"create_collection"` // Generated properties Slug string `json:"-"` } ClaimPostResult struct { ID string `json:"id,omitempty"` Code int `json:"code,omitempty"` ErrorMessage string `json:"error_msg,omitempty"` Post *PublicPost `json:"post,omitempty"` } ) func (p *Post) Direction() string { if p.RTL.Valid { if p.RTL.Bool { return "rtl" } return "ltr" } return "auto" } // DisplayTitle dynamically generates a title from the Post's contents if it // doesn't already have an explicit title. func (p *Post) DisplayTitle() string { if p.Title.String != "" { return p.Title.String } t := friendlyPostTitle(p.Content, p.ID) return t } // PlainDisplayTitle dynamically generates a title from the Post's contents if it // doesn't already have an explicit title. func (p *Post) PlainDisplayTitle() string { if t := stripmd.Strip(p.DisplayTitle()); t != "" { return t } return p.ID } // FormattedDisplayTitle dynamically generates a title from the Post's contents if it // doesn't already have an explicit title. func (p *Post) FormattedDisplayTitle() template.HTML { if p.HTMLTitle != "" { return p.HTMLTitle } return template.HTML(p.DisplayTitle()) } // Summary gives a shortened summary of the post based on the post's title, // especially for display in a longer list of posts. It extracts a summary for // posts in the Title\n\nBody format, returning nothing if the entire was short // enough that the extracted title == extracted summary. func (p Post) Summary() string { if p.Content == "" { return "" } // Strip out HTML p.Content = bluemonday.StrictPolicy().Sanitize(p.Content) // and Markdown p.Content = stripmd.Strip(p.Content) title := p.Title.String var desc string if title == "" { // No title, so generate one title = friendlyPostTitle(p.Content, p.ID) desc = postDescription(p.Content, title, p.ID) if desc == title { return "" } return desc } return shortPostDescription(p.Content) } // Excerpt shows any text that comes before a (more) tag. // TODO: use HTMLExcerpt in templates instead of this method func (p *Post) Excerpt() template.HTML { return p.HTMLExcerpt } func (p *Post) CreatedDate() string { return p.Created.Format("2006-01-02") } func (p *Post) Created8601() string { return p.Created.Format("2006-01-02T15:04:05Z") } func (p *Post) IsScheduled() bool { return p.Created.After(time.Now()) } func (p *Post) HasTag(tag string) bool { // Regexp looks for tag and has a non-capturing group at the end looking // for the end of the word. // Assisted by: https://stackoverflow.com/a/35192941/1549194 hasTag, _ := regexp.MatchString("#"+tag+`(?:[[:punct:]]|\s|\z)`, p.Content) return hasTag } func (p *Post) HasTitleLink() bool { if p.Title.String == "" { return false } hasLink, _ := regexp.MatchString(`([^!]+|^)\[.+\]\(.+\)`, p.Title.String) return hasLink } func handleViewPost(app *App, w http.ResponseWriter, r *http.Request) error { vars := mux.Vars(r) friendlyID := vars["post"] // NOTE: until this is done better, be sure to keep this in parity with // isRaw() and viewCollectionPost() isJSON := strings.HasSuffix(friendlyID, ".json") isXML := strings.HasSuffix(friendlyID, ".xml") isCSS := strings.HasSuffix(friendlyID, ".css") isMarkdown := strings.HasSuffix(friendlyID, ".md") isRaw := strings.HasSuffix(friendlyID, ".txt") || isJSON || isXML || isCSS || isMarkdown // Display reserved page if that is requested resource if t, ok := pages[r.URL.Path[1:]+".tmpl"]; ok { return handleTemplatedPage(app, w, r, t) } else if (strings.Contains(r.URL.Path, ".") && !isRaw && !isMarkdown) || r.URL.Path == "/robots.txt" || r.URL.Path == "/manifest.json" { // Serve static file app.shttp.ServeHTTP(w, r) return nil } // Display collection if this is a collection c, _ := app.db.GetCollection(friendlyID) if c != nil { return impart.HTTPError{http.StatusMovedPermanently, fmt.Sprintf("/%s/", friendlyID)} } // Normalize the URL, redirecting user to consistent post URL if friendlyID != strings.ToLower(friendlyID) { return impart.HTTPError{http.StatusMovedPermanently, fmt.Sprintf("/%s", strings.ToLower(friendlyID))} } ext := "" if isRaw { parts := strings.Split(friendlyID, ".") friendlyID = parts[0] if len(parts) > 1 { ext = "." + parts[1] } } var ownerID sql.NullInt64 var title string var content string var font string var language []byte var rtl []byte var views int64 var post *AnonymousPost var found bool var gone bool fixedID := slug.Make(friendlyID) if fixedID != friendlyID { return impart.HTTPError{http.StatusFound, fmt.Sprintf("/%s%s", fixedID, ext)} } err := app.db.QueryRow(fmt.Sprintf("SELECT owner_id, title, content, text_appearance, view_count, language, rtl FROM posts WHERE id = ?"), friendlyID).Scan(&ownerID, &title, &content, &font, &views, &language, &rtl) switch { case err == sql.ErrNoRows: found = false // Output the error in the correct format if isJSON { content = "{\"error\": \"Post not found.\"}" } else if isRaw { content = "Post not found." } else { return ErrPostNotFound } case err != nil: found = false log.Error("Post loading err: %s\n", err) return ErrInternalGeneral default: found = true var d string if len(rtl) == 0 { d = "auto" } else if rtl[0] == 49 { // TODO: find a cleaner way to get this (possibly NULL) value d = "rtl" } else { d = "ltr" } generatedTitle := friendlyPostTitle(content, friendlyID) sanitizedContent := content if font != "code" { sanitizedContent = template.HTMLEscapeString(content) } var desc string if title == "" { desc = postDescription(content, title, friendlyID) } else { desc = shortPostDescription(content) } post = &AnonymousPost{ ID: friendlyID, Content: sanitizedContent, Title: title, GenTitle: generatedTitle, Description: desc, Author: "", Font: font, IsPlainText: isRaw, IsCode: font == "code", IsLinkable: font != "code", Views: views, Language: string(language), Direction: d, } if !isRaw { post.HTMLContent = template.HTML(applyMarkdown([]byte(content), "", app.cfg)) } } suspended, err := app.db.IsUserSuspended(ownerID.Int64) if err != nil { log.Error("view post: %v", err) return ErrInternalGeneral } // Check if post has been unpublished if content == "" { gone = true if isJSON { content = "{\"error\": \"Post was unpublished.\"}" } else if isCSS { content = "" } else if isRaw { content = "Post was unpublished." } else { return ErrPostUnpublished } } var u = &User{} if isRaw { contentType := "text/plain" if isJSON { contentType = "application/json" } else if isCSS { contentType = "text/css" } else if isXML { contentType = "application/xml" } else if isMarkdown { contentType = "text/markdown" } w.Header().Set("Content-Type", fmt.Sprintf("%s; charset=utf-8", contentType)) if isMarkdown && post.Title != "" { fmt.Fprintf(w, "%s\n", post.Title) for i := 1; i <= len(post.Title); i++ { fmt.Fprintf(w, "=") } fmt.Fprintf(w, "\n\n") } fmt.Fprint(w, content) if !found { return ErrPostNotFound } else if gone { return ErrPostUnpublished } } else { var err error page := struct { *AnonymousPost page.StaticPage Username string IsOwner bool SiteURL string Suspended bool }{ AnonymousPost: post, StaticPage: pageForReq(app, r), SiteURL: app.cfg.App.Host, } if u = getUserSession(app, r); u != nil { page.Username = u.Username page.IsOwner = ownerID.Valid && ownerID.Int64 == u.ID } if !page.IsOwner && suspended { return ErrPostNotFound } page.Suspended = suspended err = templates["post"].ExecuteTemplate(w, "post", page) if err != nil { log.Error("Post template execute error: %v", err) } } go func() { if u != nil && ownerID.Valid && ownerID.Int64 == u.ID { // Post is owned by someone; skip view increment since that person is viewing this post. return } // Update stats for non-raw post views if !isRaw && r.Method != "HEAD" && !bots.IsBot(r.UserAgent()) { _, err := app.db.Exec("UPDATE posts SET view_count = view_count + 1 WHERE id = ?", friendlyID) if err != nil { log.Error("Unable to update posts count: %v", err) } } }() return nil } // API v2 funcs // newPost creates a new post with or without an owning Collection. // // Endpoints: // /posts // /posts?collection={alias} // ? /collections/{alias}/posts func newPost(app *App, w http.ResponseWriter, r *http.Request) error { - reqJSON := IsJSON(r.Header.Get("Content-Type")) + reqJSON := IsJSON(r) vars := mux.Vars(r) collAlias := vars["alias"] if collAlias == "" { collAlias = r.FormValue("collection") } accessToken := r.Header.Get("Authorization") if accessToken == "" { // TODO: remove this accessToken = r.FormValue("access_token") } // FIXME: determine web submission with Content-Type header var u *User var userID int64 = -1 var username string if accessToken == "" { u = getUserSession(app, r) if u != nil { userID = u.ID username = u.Username } } else { userID = app.db.GetUserID(accessToken) } suspended, err := app.db.IsUserSuspended(userID) if err != nil { log.Error("new post: %v", err) return ErrInternalGeneral } if suspended { return ErrUserSuspended } if userID == -1 { return ErrNotLoggedIn } if accessToken == "" && u == nil && collAlias != "" { return impart.HTTPError{http.StatusBadRequest, "Parameter `access_token` required."} } // Get post data var p *SubmittedPost if reqJSON { decoder := json.NewDecoder(r.Body) err = decoder.Decode(&p) if err != nil { log.Error("Couldn't parse new post JSON request: %v\n", err) return ErrBadJSON } if p.Title == nil { t := "" p.Title = &t } if strings.TrimSpace(*(p.Content)) == "" { return ErrNoPublishableContent } } else { post := r.FormValue("body") appearance := r.FormValue("font") title := r.FormValue("title") rtlValue := r.FormValue("rtl") langValue := r.FormValue("lang") if strings.TrimSpace(post) == "" { return ErrNoPublishableContent } var isRTL, rtlValid bool if rtlValue == "auto" && langValue != "" { isRTL = i18n.LangIsRTL(langValue) rtlValid = true } else { isRTL = rtlValue == "true" rtlValid = rtlValue != "" && langValue != "" } // Create a new post p = &SubmittedPost{ Title: &title, Content: &post, Font: appearance, IsRTL: converter.NullJSONBool{sql.NullBool{Bool: isRTL, Valid: rtlValid}}, Language: converter.NullJSONString{sql.NullString{String: langValue, Valid: langValue != ""}}, } } if !p.isFontValid() { p.Font = "norm" } var newPost *PublicPost = &PublicPost{} var coll *Collection if accessToken != "" { newPost, err = app.db.CreateOwnedPost(p, accessToken, collAlias, app.cfg.App.Host) } else { //return ErrNotLoggedIn // TODO: verify user is logged in var collID int64 if collAlias != "" { coll, err = app.db.GetCollection(collAlias) if err != nil { return err } coll.hostName = app.cfg.App.Host if coll.OwnerID != u.ID { return ErrForbiddenCollection } collID = coll.ID } // TODO: return PublicPost from createPost newPost.Post, err = app.db.CreatePost(userID, collID, p) } if err != nil { return err } if coll != nil { coll.ForPublic() newPost.Collection = &CollectionObj{Collection: *coll} } newPost.extractData() newPost.OwnerName = username // Write success now response := impart.WriteSuccess(w, newPost, http.StatusCreated) if newPost.Collection != nil && !app.cfg.App.Private && app.cfg.App.Federation && !newPost.Created.After(time.Now()) { go federatePost(app, newPost, newPost.Collection.ID, false) } return response } func existingPost(app *App, w http.ResponseWriter, r *http.Request) error { - reqJSON := IsJSON(r.Header.Get("Content-Type")) + reqJSON := IsJSON(r) vars := mux.Vars(r) postID := vars["post"] p := AuthenticatedPost{ID: postID} var err error if reqJSON { // Decode JSON request decoder := json.NewDecoder(r.Body) err = decoder.Decode(&p) if err != nil { log.Error("Couldn't parse post update JSON request: %v\n", err) return ErrBadJSON } } else { err = r.ParseForm() if err != nil { log.Error("Couldn't parse post update form request: %v\n", err) return ErrBadFormData } // Can't decode to a nil SubmittedPost property, so create instance now p.SubmittedPost = &SubmittedPost{} err = app.formDecoder.Decode(&p, r.PostForm) if err != nil { log.Error("Couldn't decode post update form request: %v\n", err) return ErrBadFormData } } if p.Web { p.IsRTL.Valid = true } if p.SubmittedPost == nil { return ErrPostNoUpdatableVals } // Ensure an access token was given accessToken := r.Header.Get("Authorization") // Get user's cookie session if there's no token var u *User //var username string if accessToken == "" { u = getUserSession(app, r) if u != nil { //username = u.Username } } if u == nil && accessToken == "" { return ErrNoAccessToken } // Get user ID from current session or given access token, if one was given. var userID int64 if u != nil { userID = u.ID } else if accessToken != "" { userID, err = AuthenticateUser(app.db, accessToken) if err != nil { return err } } suspended, err := app.db.IsUserSuspended(userID) if err != nil { log.Error("existing post: %v", err) return ErrInternalGeneral } if suspended { return ErrUserSuspended } // Modify post struct p.ID = postID err = app.db.UpdateOwnedPost(&p, userID) if err != nil { if reqJSON { return err } if err, ok := err.(impart.HTTPError); ok { addSessionFlash(app, w, r, err.Message, nil) } else { addSessionFlash(app, w, r, err.Error(), nil) } } var pRes *PublicPost pRes, err = app.db.GetPost(p.ID, 0) if reqJSON { if err != nil { return err } pRes.extractData() } if pRes.CollectionID.Valid { coll, err := app.db.GetCollectionBy("id = ?", pRes.CollectionID.Int64) if err == nil && !app.cfg.App.Private && app.cfg.App.Federation { coll.hostName = app.cfg.App.Host pRes.Collection = &CollectionObj{Collection: *coll} go federatePost(app, pRes, pRes.Collection.ID, true) } } // Write success now if reqJSON { return impart.WriteSuccess(w, pRes, http.StatusOK) } addSessionFlash(app, w, r, "Changes saved.", nil) collectionAlias := vars["alias"] redirect := "/" + postID + "/meta" if collectionAlias != "" { collPre := "/" + collectionAlias if app.cfg.App.SingleUser { collPre = "" } redirect = collPre + "/" + pRes.Slug.String + "/edit/meta" } else { if app.cfg.App.SingleUser { redirect = "/d" + redirect } } w.Header().Set("Location", redirect) w.WriteHeader(http.StatusFound) return nil } func deletePost(app *App, w http.ResponseWriter, r *http.Request) error { vars := mux.Vars(r) friendlyID := vars["post"] editToken := r.FormValue("token") var ownerID int64 var u *User accessToken := r.Header.Get("Authorization") if accessToken == "" && editToken == "" { u = getUserSession(app, r) if u == nil { return ErrNoAccessToken } } var res sql.Result var t *sql.Tx var err error var collID sql.NullInt64 var coll *Collection var pp *PublicPost if editToken != "" { // TODO: SELECT owner_id, as well, and return appropriate error if NULL instead of running two queries var dummy int64 err = app.db.QueryRow("SELECT 1 FROM posts WHERE id = ?", friendlyID).Scan(&dummy) switch { case err == sql.ErrNoRows: return impart.HTTPError{http.StatusNotFound, "Post not found."} } err = app.db.QueryRow("SELECT 1 FROM posts WHERE id = ? AND owner_id IS NULL", friendlyID).Scan(&dummy) switch { case err == sql.ErrNoRows: // Post already has an owner. This could provide a bad experience // for the user, but it's more important to ensure data isn't lost // unexpectedly. So prevent deletion via token. return impart.HTTPError{http.StatusConflict, "This post belongs to some user (hopefully yours). Please log in and delete it from that user's account."} } res, err = app.db.Exec("DELETE FROM posts WHERE id = ? AND modify_token = ? AND owner_id IS NULL", friendlyID, editToken) } else if accessToken != "" || u != nil { // Caller provided some way to authenticate; assume caller expects the // post to be deleted based on a specific post owner, thus we should // return corresponding errors. if accessToken != "" { ownerID = app.db.GetUserID(accessToken) if ownerID == -1 { return ErrBadAccessToken } } else { ownerID = u.ID } // TODO: don't make two queries var realOwnerID sql.NullInt64 err = app.db.QueryRow("SELECT collection_id, owner_id FROM posts WHERE id = ?", friendlyID).Scan(&collID, &realOwnerID) if err != nil { return err } if !collID.Valid { // There's no collection; simply delete the post res, err = app.db.Exec("DELETE FROM posts WHERE id = ? AND owner_id = ?", friendlyID, ownerID) } else { // Post belongs to a collection; do any additional clean up coll, err = app.db.GetCollectionBy("id = ?", collID.Int64) if err != nil { log.Error("Unable to get collection: %v", err) return err } if app.cfg.App.Federation { // First fetch full post for federation pp, err = app.db.GetOwnedPost(friendlyID, ownerID) if err != nil { log.Error("Unable to get owned post: %v", err) return err } collObj := &CollectionObj{Collection: *coll} pp.Collection = collObj } t, err = app.db.Begin() if err != nil { log.Error("No begin: %v", err) return err } res, err = t.Exec("DELETE FROM posts WHERE id = ? AND owner_id = ?", friendlyID, ownerID) } } else { return impart.HTTPError{http.StatusBadRequest, "No authenticated user or post token given."} } if err != nil { return err } affected, err := res.RowsAffected() if err != nil { if t != nil { t.Rollback() log.Error("Rows affected err! Rolling back") } return err } else if affected == 0 { if t != nil { t.Rollback() log.Error("No rows affected! Rolling back") } return impart.HTTPError{http.StatusForbidden, "Post not found, or you're not the owner."} } if t != nil { t.Commit() } if coll != nil && !app.cfg.App.Private && app.cfg.App.Federation { go deleteFederatedPost(app, pp, collID.Int64) } return impart.HTTPError{Status: http.StatusNoContent} } // addPost associates a post with the authenticated user. func addPost(app *App, w http.ResponseWriter, r *http.Request) error { var ownerID int64 // Authenticate user at := r.Header.Get("Authorization") if at != "" { ownerID = app.db.GetUserID(at) if ownerID == -1 { return ErrBadAccessToken } } else { u := getUserSession(app, r) if u == nil { return ErrNotLoggedIn } ownerID = u.ID } suspended, err := app.db.IsUserSuspended(ownerID) if err != nil { log.Error("add post: %v", err) return ErrInternalGeneral } if suspended { return ErrUserSuspended } // Parse claimed posts in format: // [{"id": "...", "token": "..."}] var claims *[]ClaimPostRequest decoder := json.NewDecoder(r.Body) err = decoder.Decode(&claims) if err != nil { return ErrBadJSONArray } vars := mux.Vars(r) collAlias := vars["alias"] // Update all given posts res, err := app.db.ClaimPosts(app.cfg, ownerID, collAlias, claims) if err != nil { return err } if !app.cfg.App.Private && app.cfg.App.Federation { for _, pRes := range *res { if pRes.Code != http.StatusOK { continue } if !pRes.Post.Created.After(time.Now()) { pRes.Post.Collection.hostName = app.cfg.App.Host go federatePost(app, pRes.Post, pRes.Post.Collection.ID, false) } } } return impart.WriteSuccess(w, res, http.StatusOK) } func dispersePost(app *App, w http.ResponseWriter, r *http.Request) error { var ownerID int64 // Authenticate user at := r.Header.Get("Authorization") if at != "" { ownerID = app.db.GetUserID(at) if ownerID == -1 { return ErrBadAccessToken } } else { u := getUserSession(app, r) if u == nil { return ErrNotLoggedIn } ownerID = u.ID } // Parse posts in format: // ["..."] var postIDs []string decoder := json.NewDecoder(r.Body) err := decoder.Decode(&postIDs) if err != nil { return ErrBadJSONArray } // Update all given posts res, err := app.db.DispersePosts(ownerID, postIDs) if err != nil { return err } return impart.WriteSuccess(w, res, http.StatusOK) } type ( PinPostResult struct { ID string `json:"id,omitempty"` Code int `json:"code,omitempty"` ErrorMessage string `json:"error_msg,omitempty"` } ) // pinPost pins a post to a blog func pinPost(app *App, w http.ResponseWriter, r *http.Request) error { var userID int64 // Authenticate user at := r.Header.Get("Authorization") if at != "" { userID = app.db.GetUserID(at) if userID == -1 { return ErrBadAccessToken } } else { u := getUserSession(app, r) if u == nil { return ErrNotLoggedIn } userID = u.ID } suspended, err := app.db.IsUserSuspended(userID) if err != nil { log.Error("pin post: %v", err) return ErrInternalGeneral } if suspended { return ErrUserSuspended } // Parse request var posts []struct { ID string `json:"id"` Position int64 `json:"position"` } decoder := json.NewDecoder(r.Body) err = decoder.Decode(&posts) if err != nil { return ErrBadJSONArray } // Validate data vars := mux.Vars(r) collAlias := vars["alias"] coll, err := app.db.GetCollection(collAlias) if err != nil { return err } if coll.OwnerID != userID { return ErrForbiddenCollection } // Do (un)pinning isPinning := r.URL.Path[strings.LastIndex(r.URL.Path, "/"):] == "/pin" res := []PinPostResult{} for _, p := range posts { err = app.db.UpdatePostPinState(isPinning, p.ID, coll.ID, userID, p.Position) ppr := PinPostResult{ID: p.ID} if err != nil { ppr.Code = http.StatusInternalServerError // TODO: set error messsage } else { ppr.Code = http.StatusOK } res = append(res, ppr) } return impart.WriteSuccess(w, res, http.StatusOK) } func fetchPost(app *App, w http.ResponseWriter, r *http.Request) error { var collID int64 var ownerID int64 var coll *Collection var err error vars := mux.Vars(r) if collAlias := vars["alias"]; collAlias != "" { // Fetch collection information, since an alias is provided coll, err = app.db.GetCollection(collAlias) if err != nil { return err } coll.hostName = app.cfg.App.Host _, err = apiCheckCollectionPermissions(app, r, coll) if err != nil { return err } collID = coll.ID ownerID = coll.OwnerID } p, err := app.db.GetPost(vars["post"], collID) if err != nil { return err } suspended, err := app.db.IsUserSuspended(ownerID) if err != nil { log.Error("fetch post: %v", err) return ErrInternalGeneral } if suspended { return ErrPostNotFound } p.extractData() accept := r.Header.Get("Accept") if strings.Contains(accept, "application/activity+json") { // Fetch information about the collection this belongs to if coll == nil && p.CollectionID.Valid { coll, err = app.db.GetCollectionByID(p.CollectionID.Int64) if err != nil { return err } } if coll == nil { // This is a draft post; 404 for now // TODO: return ActivityObject return impart.HTTPError{http.StatusNotFound, ""} } p.Collection = &CollectionObj{Collection: *coll} po := p.ActivityObject(app.cfg) po.Context = []interface{}{activitystreams.Namespace} return impart.RenderActivityJSON(w, po, http.StatusOK) } return impart.WriteSuccess(w, p, http.StatusOK) } func fetchPostProperty(app *App, w http.ResponseWriter, r *http.Request) error { vars := mux.Vars(r) p, err := app.db.GetPostProperty(vars["post"], 0, vars["property"]) if err != nil { return err } return impart.WriteSuccess(w, p, http.StatusOK) } func (p *Post) processPost() PublicPost { res := &PublicPost{Post: p, Views: 0} res.Views = p.ViewCount // TODO: move to own function loc := monday.FuzzyLocale(p.Language.String) res.DisplayDate = monday.Format(p.Created, monday.LongFormatsByLocale[loc], loc) return *res } -func (p *PublicPost) CanonicalURL() string { +func (p *PublicPost) CanonicalURL(hostName string) string { if p.Collection == nil || p.Collection.Alias == "" { - return p.Collection.hostName + "/" + p.ID + return hostName + "/" + p.ID } return p.Collection.CanonicalURL() + p.Slug.String } func (p *PublicPost) ActivityObject(cfg *config.Config) *activitystreams.Object { o := activitystreams.NewArticleObject() o.ID = p.Collection.FederatedAPIBase() + "api/posts/" + p.ID o.Published = p.Created - o.URL = p.CanonicalURL() + o.URL = p.CanonicalURL(cfg.App.Host) o.AttributedTo = p.Collection.FederatedAccount() o.CC = []string{ p.Collection.FederatedAccount() + "/followers", } o.Name = p.DisplayTitle() if p.HTMLContent == template.HTML("") { p.formatContent(cfg, false) } o.Content = string(p.HTMLContent) if p.Language.Valid { o.ContentMap = map[string]string{ p.Language.String: string(p.HTMLContent), } } if len(p.Tags) == 0 { o.Tag = []activitystreams.Tag{} } else { var tagBaseURL string if isSingleUser { tagBaseURL = p.Collection.CanonicalURL() + "tag:" } else { if cfg.App.Chorus { tagBaseURL = fmt.Sprintf("%s/read/t/", p.Collection.hostName) } else { tagBaseURL = fmt.Sprintf("%s/%s/tag:", p.Collection.hostName, p.Collection.Alias) } } for _, t := range p.Tags { o.Tag = append(o.Tag, activitystreams.Tag{ Type: activitystreams.TagHashtag, HRef: tagBaseURL + t, Name: "#" + t, }) } } return o } // TODO: merge this into getSlugFromPost or phase it out func getSlug(title, lang string) string { return getSlugFromPost("", title, lang) } func getSlugFromPost(title, body, lang string) string { if title == "" { title = postTitle(body, body) } title = parse.PostLede(title, false) // Truncate lede if needed title, _ = parse.TruncToWord(title, 80) var s string if lang != "" && len(lang) == 2 { s = slug.MakeLang(title, lang) } else { s = slug.Make(title) } // Transliteration may cause the slug to expand past the limit, so truncate again s, _ = parse.TruncToWord(s, 80) return strings.TrimFunc(s, func(r rune) bool { // TruncToWord doesn't respect words in a slug, since spaces are replaced // with hyphens. So remove any trailing hyphens. return r == '-' }) } // isFontValid returns whether or not the submitted post's appearance is valid. func (p *SubmittedPost) isFontValid() bool { validFonts := map[string]bool{ "norm": true, "sans": true, "mono": true, "wrap": true, "code": true, } _, valid := validFonts[p.Font] return valid } func getRawPost(app *App, friendlyID string) *RawPost { var content, font, title string var isRTL sql.NullBool var lang sql.NullString var ownerID sql.NullInt64 var created time.Time err := app.db.QueryRow("SELECT title, content, text_appearance, language, rtl, created, owner_id FROM posts WHERE id = ?", friendlyID).Scan(&title, &content, &font, &lang, &isRTL, &created, &ownerID) switch { case err == sql.ErrNoRows: return &RawPost{Content: "", Found: false, Gone: false} case err != nil: return &RawPost{Content: "", Found: true, Gone: false} } return &RawPost{Title: title, Content: content, Font: font, Created: created, IsRTL: isRTL, Language: lang, OwnerID: ownerID.Int64, Found: true, Gone: content == ""} } // TODO; return a Post! func getRawCollectionPost(app *App, slug, collAlias string) *RawPost { var id, title, content, font string var isRTL sql.NullBool var lang sql.NullString var created time.Time var ownerID null.Int var views int64 var err error if app.cfg.App.SingleUser { err = app.db.QueryRow("SELECT id, title, content, text_appearance, language, rtl, view_count, created, owner_id FROM posts WHERE slug = ? AND collection_id = 1", slug).Scan(&id, &title, &content, &font, &lang, &isRTL, &views, &created, &ownerID) } else { err = app.db.QueryRow("SELECT id, title, content, text_appearance, language, rtl, view_count, created, owner_id FROM posts WHERE slug = ? AND collection_id = (SELECT id FROM collections WHERE alias = ?)", slug, collAlias).Scan(&id, &title, &content, &font, &lang, &isRTL, &views, &created, &ownerID) } switch { case err == sql.ErrNoRows: return &RawPost{Content: "", Found: false, Gone: false} case err != nil: return &RawPost{Content: "", Found: true, Gone: false} } return &RawPost{ Id: id, Slug: slug, Title: title, Content: content, Font: font, Created: created, IsRTL: isRTL, Language: lang, OwnerID: ownerID.Int64, Found: true, Gone: content == "", Views: views, } } func isRaw(r *http.Request) bool { vars := mux.Vars(r) slug := vars["slug"] // NOTE: until this is done better, be sure to keep this in parity with // isRaw in viewCollectionPost() and handleViewPost() isJSON := strings.HasSuffix(slug, ".json") isXML := strings.HasSuffix(slug, ".xml") isMarkdown := strings.HasSuffix(slug, ".md") return strings.HasSuffix(slug, ".txt") || isJSON || isXML || isMarkdown } func viewCollectionPost(app *App, w http.ResponseWriter, r *http.Request) error { vars := mux.Vars(r) slug := vars["slug"] // NOTE: until this is done better, be sure to keep this in parity with // isRaw() and handleViewPost() isJSON := strings.HasSuffix(slug, ".json") isXML := strings.HasSuffix(slug, ".xml") isMarkdown := strings.HasSuffix(slug, ".md") isRaw := strings.HasSuffix(slug, ".txt") || isJSON || isXML || isMarkdown cr := &collectionReq{} err := processCollectionRequest(cr, vars, w, r) if err != nil { return err } // Check for hellbanned users u, err := checkUserForCollection(app, cr, r, true) if err != nil { return err } // Normalize the URL, redirecting user to consistent post URL if slug != strings.ToLower(slug) { loc := fmt.Sprintf("/%s", strings.ToLower(slug)) if !app.cfg.App.SingleUser { loc = "/" + cr.alias + loc } return impart.HTTPError{http.StatusMovedPermanently, loc} } // Display collection if this is a collection var c *Collection if app.cfg.App.SingleUser { c, err = app.db.GetCollectionByID(1) } else { c, err = app.db.GetCollection(cr.alias) } if err != nil { if err, ok := err.(impart.HTTPError); ok { if err.Status == http.StatusNotFound { // Redirect if necessary newAlias := app.db.GetCollectionRedirect(cr.alias) if newAlias != "" { return impart.HTTPError{http.StatusFound, "/" + newAlias + "/" + slug} } } } return err } c.hostName = app.cfg.App.Host suspended, err := app.db.IsUserSuspended(c.OwnerID) if err != nil { log.Error("view collection post: %v", err) return ErrInternalGeneral } // Check collection permissions if c.IsPrivate() && (u == nil || u.ID != c.OwnerID) { return ErrPostNotFound } if c.IsProtected() && ((u == nil || u.ID != c.OwnerID) && !isAuthorizedForCollection(app, c.Alias, r)) { return impart.HTTPError{http.StatusFound, c.CanonicalURL() + "/?g=" + slug} } cr.isCollOwner = u != nil && c.OwnerID == u.ID if isRaw { slug = strings.Split(slug, ".")[0] } // Fetch extra data about the Collection // TODO: refactor out this logic, shared in collection.go:fetchCollection() coll := &CollectionObj{Collection: *c} owner, err := app.db.GetUserByID(coll.OwnerID) if err != nil { // Log the error and just continue log.Error("Error getting user for collection: %v", err) } else { coll.Owner = owner } postFound := true p, err := app.db.GetPost(slug, coll.ID) if err != nil { if err == ErrCollectionPageNotFound { postFound = false if slug == "feed" { // User tried to access blog feed without a trailing slash, and // there's no post with a slug "feed" return impart.HTTPError{http.StatusFound, c.CanonicalURL() + "/feed/"} } po := &Post{ Slug: null.NewString(slug, true), Font: "norm", Language: zero.NewString("en", true), RTL: zero.NewBool(false, true), Content: `

This page is missing.

Are you sure it was ever here?`, } pp := po.processPost() p = &pp } else { return err } } p.IsOwner = owner != nil && p.OwnerID.Valid && u.ID == p.OwnerID.Int64 p.Collection = coll p.IsTopLevel = app.cfg.App.SingleUser if !p.IsOwner && suspended { return ErrPostNotFound } // Check if post has been unpublished if p.Content == "" && p.Title.String == "" { return impart.HTTPError{http.StatusGone, "Post was unpublished."} } // Serve collection post if isRaw { contentType := "text/plain" if isJSON { contentType = "application/json" } else if isXML { contentType = "application/xml" } else if isMarkdown { contentType = "text/markdown" } w.Header().Set("Content-Type", fmt.Sprintf("%s; charset=utf-8", contentType)) if !postFound { w.WriteHeader(http.StatusNotFound) fmt.Fprintf(w, "Post not found.") // TODO: return error instead, so status is correctly reflected in logs return nil } if isMarkdown && p.Title.String != "" { fmt.Fprintf(w, "# %s\n\n", p.Title.String) } fmt.Fprint(w, p.Content) } else if strings.Contains(r.Header.Get("Accept"), "application/activity+json") { if !postFound { return ErrCollectionPageNotFound } p.extractData() ap := p.ActivityObject(app.cfg) ap.Context = []interface{}{activitystreams.Namespace} return impart.RenderActivityJSON(w, ap, http.StatusOK) } else { p.extractData() p.Content = strings.Replace(p.Content, "", "", 1) // TODO: move this to function p.formatContent(app.cfg, cr.isCollOwner) tp := struct { *PublicPost page.StaticPage IsOwner bool IsPinned bool IsCustomDomain bool PinnedPosts *[]PublicPost IsFound bool IsAdmin bool CanInvite bool Suspended bool }{ PublicPost: p, StaticPage: pageForReq(app, r), IsOwner: cr.isCollOwner, IsCustomDomain: cr.isCustomDomain, IsFound: postFound, Suspended: suspended, } tp.IsAdmin = u != nil && u.IsAdmin() tp.CanInvite = canUserInvite(app.cfg, tp.IsAdmin) tp.PinnedPosts, _ = app.db.GetPinnedPosts(coll, p.IsOwner) tp.IsPinned = len(*tp.PinnedPosts) > 0 && PostsContains(tp.PinnedPosts, p) if !postFound { w.WriteHeader(http.StatusNotFound) } postTmpl := "collection-post" if app.cfg.App.Chorus { postTmpl = "chorus-collection-post" } if err := templates[postTmpl].ExecuteTemplate(w, "post", tp); err != nil { log.Error("Error in collection-post template: %v", err) } } go func() { if p.OwnerID.Valid { // Post is owned by someone. Don't update stats if owner is viewing the post. if u != nil && p.OwnerID.Int64 == u.ID { return } } // Update stats for non-raw post views if !isRaw && r.Method != "HEAD" && !bots.IsBot(r.UserAgent()) { _, err := app.db.Exec("UPDATE posts SET view_count = view_count + 1 WHERE slug = ? AND collection_id = ?", slug, coll.ID) if err != nil { log.Error("Unable to update posts count: %v", err) } } }() return nil } // TODO: move this to utils after making it more generic func PostsContains(sl *[]PublicPost, s *PublicPost) bool { for _, e := range *sl { if e.ID == s.ID { return true } } return false } func (p *Post) extractData() { p.Tags = tags.Extract(p.Content) p.extractImages() } func (rp *RawPost) UserFacingCreated() string { return rp.Created.Format(postMetaDateFormat) } func (rp *RawPost) Created8601() string { return rp.Created.Format("2006-01-02T15:04:05Z") } var imageURLRegex = regexp.MustCompile(`(?i)^https?:\/\/[^ ]*\.(gif|png|jpg|jpeg|image)$`) func (p *Post) extractImages() { matches := extract.ExtractUrls(p.Content) urls := map[string]bool{} for i := range matches { u := matches[i].Text if !imageURLRegex.MatchString(u) { continue } urls[u] = true } resURLs := make([]string, 0) for k := range urls { resURLs = append(resURLs, k) } p.Images = resURLs } diff --git a/read.go b/read.go index 6d0c8a7..d708121 100644 --- a/read.go +++ b/read.go @@ -1,326 +1,326 @@ /* * Copyright © 2018-2019 A Bunch Tell LLC. * * This file is part of WriteFreely. * * WriteFreely is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License, included * in the LICENSE file in this source code package. */ package writefreely import ( "database/sql" "fmt" "html/template" "math" "net/http" "strconv" "time" . "github.com/gorilla/feeds" "github.com/gorilla/mux" stripmd "github.com/writeas/go-strip-markdown" "github.com/writeas/impart" "github.com/writeas/web-core/log" "github.com/writeas/web-core/memo" "github.com/writeas/writefreely/page" ) const ( tlFeedLimit = 100 tlAPIPageLimit = 10 tlMaxAuthorPosts = 5 tlPostsPerPage = 16 ) type localTimeline struct { m *memo.Memo posts *[]PublicPost // Configuration values postsPerPage int } type readPublication struct { page.StaticPage Posts *[]PublicPost CurrentPage int TotalPages int SelTopic string IsAdmin bool CanInvite bool // Customizable page content ContentTitle string Content template.HTML } func initLocalTimeline(app *App) { app.timeline = &localTimeline{ postsPerPage: tlPostsPerPage, m: memo.New(app.FetchPublicPosts, 10*time.Minute), } } // satisfies memo.Func func (app *App) FetchPublicPosts() (interface{}, error) { // Finds all public posts and posts in a public collection published during the owner's active subscription period and within the last 3 months rows, err := app.db.Query(`SELECT p.id, alias, c.title, p.slug, p.title, p.content, p.text_appearance, p.language, p.rtl, p.created, p.updated FROM collections c LEFT JOIN posts p ON p.collection_id = c.id LEFT JOIN users u ON u.id = p.owner_id WHERE c.privacy = 1 AND (p.created >= ` + app.db.dateSub(3, "month") + ` AND p.created <= ` + app.db.now() + ` AND pinned_position IS NULL) AND u.status = 0 ORDER BY p.created DESC`) if err != nil { log.Error("Failed selecting from posts: %v", err) return nil, impart.HTTPError{http.StatusInternalServerError, "Couldn't retrieve collection posts." + err.Error()} } defer rows.Close() ap := map[string]uint{} posts := []PublicPost{} for rows.Next() { p := &Post{} c := &Collection{} var alias, title sql.NullString err = rows.Scan(&p.ID, &alias, &title, &p.Slug, &p.Title, &p.Content, &p.Font, &p.Language, &p.RTL, &p.Created, &p.Updated) if err != nil { log.Error("[READ] Unable to scan row, skipping: %v", err) continue } c.hostName = app.cfg.App.Host isCollectionPost := alias.Valid if isCollectionPost { c.Alias = alias.String if c.Alias != "" && ap[c.Alias] == tlMaxAuthorPosts { // Don't add post if we've hit the post-per-author limit continue } c.Public = true c.Title = title.String } p.extractData() p.HTMLContent = template.HTML(applyMarkdown([]byte(p.Content), "", app.cfg)) fp := p.processPost() if isCollectionPost { fp.Collection = &CollectionObj{Collection: *c} } posts = append(posts, fp) ap[c.Alias]++ } return posts, nil } func viewLocalTimelineAPI(app *App, w http.ResponseWriter, r *http.Request) error { updateTimelineCache(app.timeline) skip, _ := strconv.Atoi(r.FormValue("skip")) posts := []PublicPost{} for i := skip; i < skip+tlAPIPageLimit && i < len(*app.timeline.posts); i++ { posts = append(posts, (*app.timeline.posts)[i]) } return impart.WriteSuccess(w, posts, http.StatusOK) } func viewLocalTimeline(app *App, w http.ResponseWriter, r *http.Request) error { if !app.cfg.App.LocalTimeline { return impart.HTTPError{http.StatusNotFound, "Page doesn't exist."} } vars := mux.Vars(r) var p int page := 1 p, _ = strconv.Atoi(vars["page"]) if p > 0 { page = p } return showLocalTimeline(app, w, r, page, vars["author"], vars["tag"]) } func updateTimelineCache(tl *localTimeline) { // Fetch posts if enough time has passed since last cache if tl.posts == nil || tl.m.Invalidate() { log.Info("[READ] Updating post cache") var err error var postsInterfaces interface{} postsInterfaces, err = tl.m.Get() if err != nil { log.Error("[READ] Unable to cache posts: %v", err) } else { castPosts := postsInterfaces.([]PublicPost) tl.posts = &castPosts } } } func showLocalTimeline(app *App, w http.ResponseWriter, r *http.Request, page int, author, tag string) error { updateTimelineCache(app.timeline) pl := len(*(app.timeline.posts)) ttlPages := int(math.Ceil(float64(pl) / float64(app.timeline.postsPerPage))) start := 0 if page > 1 { start = app.timeline.postsPerPage * (page - 1) if start > pl { return impart.HTTPError{http.StatusFound, fmt.Sprintf("/read/p/%d", ttlPages)} } } end := app.timeline.postsPerPage * page if end > pl { end = pl } var posts []PublicPost if author != "" { posts = []PublicPost{} for _, p := range *app.timeline.posts { if author == "anonymous" { if p.Collection == nil { posts = append(posts, p) } } else if p.Collection != nil && p.Collection.Alias == author { posts = append(posts, p) } } } else if tag != "" { posts = []PublicPost{} for _, p := range *app.timeline.posts { if p.HasTag(tag) { posts = append(posts, p) } } } else { posts = *app.timeline.posts posts = posts[start:end] } d := &readPublication{ StaticPage: pageForReq(app, r), Posts: &posts, CurrentPage: page, TotalPages: ttlPages, SelTopic: tag, } if app.cfg.App.Chorus { u := getUserSession(app, r) d.IsAdmin = u != nil && u.IsAdmin() d.CanInvite = canUserInvite(app.cfg, d.IsAdmin) } c, err := getReaderSection(app) if err != nil { return err } d.ContentTitle = c.Title.String d.Content = template.HTML(applyMarkdown([]byte(c.Content), "", app.cfg)) err = templates["read"].ExecuteTemplate(w, "base", d) if err != nil { log.Error("Unable to render reader: %v", err) fmt.Fprintf(w, ":(") } return nil } // NextPageURL provides a full URL for the next page of collection posts func (c *readPublication) NextPageURL(n int) string { return fmt.Sprintf("/read/p/%d", n+1) } // PrevPageURL provides a full URL for the previous page of collection posts, // returning a /page/N result for pages >1 func (c *readPublication) PrevPageURL(n int) string { if n == 2 { // Previous page is 1; no need for /p/ prefix return "/read" } return fmt.Sprintf("/read/p/%d", n-1) } // handlePostIDRedirect handles a route where a post ID is given and redirects // the user to the canonical post URL. func handlePostIDRedirect(app *App, w http.ResponseWriter, r *http.Request) error { vars := mux.Vars(r) postID := vars["post"] p, err := app.db.GetPost(postID, 0) if err != nil { return err } if !p.CollectionID.Valid { // No collection; send to normal URL // NOTE: not handling single user blogs here since this handler is only used for the Reader return impart.HTTPError{http.StatusFound, app.cfg.App.Host + "/" + postID + ".md"} } c, err := app.db.GetCollectionBy("id = ?", fmt.Sprintf("%d", p.CollectionID.Int64)) if err != nil { return err } c.hostName = app.cfg.App.Host // Retrieve collection information and send user to canonical URL return impart.HTTPError{http.StatusFound, c.CanonicalURL() + p.Slug.String} } func viewLocalTimelineFeed(app *App, w http.ResponseWriter, req *http.Request) error { if !app.cfg.App.LocalTimeline { return impart.HTTPError{http.StatusNotFound, "Page doesn't exist."} } updateTimelineCache(app.timeline) feed := &Feed{ Title: app.cfg.App.SiteName + " Reader", Link: &Link{Href: app.cfg.App.Host}, Description: "Read the latest posts from " + app.cfg.App.SiteName + ".", Created: time.Now(), } c := 0 var title, permalink, author string for _, p := range *app.timeline.posts { if c == tlFeedLimit { break } title = p.PlainDisplayTitle() - permalink = p.CanonicalURL() + permalink = p.CanonicalURL(app.cfg.App.Host) if p.Collection != nil { author = p.Collection.Title } else { author = "Anonymous" permalink += ".md" } i := &Item{ Id: app.cfg.App.Host + "/read/a/" + p.ID, Title: title, Link: &Link{Href: permalink}, Description: "", Content: applyMarkdown([]byte(p.Content), "", app.cfg), Author: &Author{author, ""}, Created: p.Created, Updated: p.Updated, } feed.Items = append(feed.Items, i) c++ } rss, err := feed.ToRss() if err != nil { return err } fmt.Fprint(w, rss) return nil } diff --git a/request.go b/request.go index 4939f9c..2eb29f5 100644 --- a/request.go +++ b/request.go @@ -1,18 +1,22 @@ /* * Copyright © 2018 A Bunch Tell LLC. * * This file is part of WriteFreely. * * WriteFreely is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License, included * in the LICENSE file in this source code package. */ package writefreely -import "mime" +import ( + "mime" + "net/http" +) -func IsJSON(h string) bool { - ct, _, _ := mime.ParseMediaType(h) - return ct == "application/json" +func IsJSON(r *http.Request) bool { + ct, _, _ := mime.ParseMediaType(r.Header.Get("Content-Type")) + accept := r.Header.Get("Accept") + return ct == "application/json" || accept == "application/json" } diff --git a/routes.go b/routes.go index 1ff250f..64c6c0f 100644 --- a/routes.go +++ b/routes.go @@ -1,207 +1,208 @@ /* * Copyright © 2018-2019 A Bunch Tell LLC. * * This file is part of WriteFreely. * * WriteFreely is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License, included * in the LICENSE file in this source code package. */ package writefreely import ( "net/http" "path/filepath" "strings" "github.com/gorilla/mux" "github.com/writeas/go-webfinger" "github.com/writeas/web-core/log" "github.com/writefreely/go-nodeinfo" ) // InitStaticRoutes adds routes for serving static files. // TODO: this should just be a func, not method func (app *App) InitStaticRoutes(r *mux.Router) { // Handle static files fs := http.FileServer(http.Dir(filepath.Join(app.cfg.Server.StaticParentDir, staticDir))) app.shttp = http.NewServeMux() app.shttp.Handle("/", fs) r.PathPrefix("/").Handler(fs) } // InitRoutes adds dynamic routes for the given mux.Router. func InitRoutes(apper Apper, r *mux.Router) *mux.Router { // Create handler handler := NewWFHandler(apper) // Set up routes hostSubroute := apper.App().cfg.App.Host[strings.Index(apper.App().cfg.App.Host, "://")+3:] if apper.App().cfg.App.SingleUser { hostSubroute = "{domain}" } else { if strings.HasPrefix(hostSubroute, "localhost") { hostSubroute = "localhost" } } if apper.App().cfg.App.SingleUser { log.Info("Adding %s routes (single user)...", hostSubroute) } else { log.Info("Adding %s routes (multi-user)...", hostSubroute) } // Primary app routes write := r.PathPrefix("/").Subrouter() // Federation endpoint configurations wf := webfinger.Default(wfResolver{apper.App().db, apper.App().cfg}) wf.NoTLSHandler = nil // Federation endpoints // host-meta write.HandleFunc("/.well-known/host-meta", handler.Web(handleViewHostMeta, UserLevelReader)) // webfinger write.HandleFunc(webfinger.WebFingerPath, handler.LogHandlerFunc(http.HandlerFunc(wf.Webfinger))) // nodeinfo niCfg := nodeInfoConfig(apper.App().db, apper.App().cfg) ni := nodeinfo.NewService(*niCfg, nodeInfoResolver{apper.App().cfg, apper.App().db}) write.HandleFunc(nodeinfo.NodeInfoPath, handler.LogHandlerFunc(http.HandlerFunc(ni.NodeInfoDiscover))) write.HandleFunc(niCfg.InfoURL, handler.LogHandlerFunc(http.HandlerFunc(ni.NodeInfo))) // Set up dyamic page handlers // Handle auth auth := write.PathPrefix("/api/auth/").Subrouter() if apper.App().cfg.App.OpenRegistration { auth.HandleFunc("/signup", handler.All(apiSignup)).Methods("POST") } auth.HandleFunc("/login", handler.All(login)).Methods("POST") auth.HandleFunc("/read", handler.WebErrors(handleWebCollectionUnlock, UserLevelNone)).Methods("POST") auth.HandleFunc("/me", handler.All(handleAPILogout)).Methods("DELETE") // Handle logged in user sections me := write.PathPrefix("/me").Subrouter() me.HandleFunc("/", handler.Redirect("/me", UserLevelUser)) me.HandleFunc("/c", handler.Redirect("/me/c/", UserLevelUser)).Methods("GET") me.HandleFunc("/c/", handler.User(viewCollections)).Methods("GET") me.HandleFunc("/c/{collection}", handler.User(viewEditCollection)).Methods("GET") me.HandleFunc("/c/{collection}/stats", handler.User(viewStats)).Methods("GET") me.HandleFunc("/posts", handler.Redirect("/me/posts/", UserLevelUser)).Methods("GET") me.HandleFunc("/posts/", handler.User(viewArticles)).Methods("GET") me.HandleFunc("/posts/export.csv", handler.Download(viewExportPosts, UserLevelUser)).Methods("GET") me.HandleFunc("/posts/export.zip", handler.Download(viewExportPosts, UserLevelUser)).Methods("GET") me.HandleFunc("/posts/export.json", handler.Download(viewExportPosts, UserLevelUser)).Methods("GET") me.HandleFunc("/export", handler.User(viewExportOptions)).Methods("GET") me.HandleFunc("/export.json", handler.Download(viewExportFull, UserLevelUser)).Methods("GET") me.HandleFunc("/settings", handler.User(viewSettings)).Methods("GET") me.HandleFunc("/invites", handler.User(handleViewUserInvites)).Methods("GET") me.HandleFunc("/logout", handler.Web(viewLogout, UserLevelNone)).Methods("GET") write.HandleFunc("/api/me", handler.All(viewMeAPI)).Methods("GET") apiMe := write.PathPrefix("/api/me/").Subrouter() apiMe.HandleFunc("/", handler.All(viewMeAPI)).Methods("GET") apiMe.HandleFunc("/posts", handler.UserAPI(viewMyPostsAPI)).Methods("GET") apiMe.HandleFunc("/collections", handler.UserAPI(viewMyCollectionsAPI)).Methods("GET") apiMe.HandleFunc("/password", handler.All(updatePassphrase)).Methods("POST") apiMe.HandleFunc("/self", handler.All(updateSettings)).Methods("POST") apiMe.HandleFunc("/invites", handler.User(handleCreateUserInvite)).Methods("POST") // Sign up validation write.HandleFunc("/api/alias", handler.All(handleUsernameCheck)).Methods("POST") // Handle collections write.HandleFunc("/api/collections", handler.All(newCollection)).Methods("POST") apiColls := write.PathPrefix("/api/collections/").Subrouter() apiColls.HandleFunc("/{alias:[0-9a-zA-Z\\-]+}", handler.AllReader(fetchCollection)).Methods("GET") apiColls.HandleFunc("/{alias:[0-9a-zA-Z\\-]+}", handler.All(existingCollection)).Methods("POST", "DELETE") apiColls.HandleFunc("/{alias}/posts", handler.AllReader(fetchCollectionPosts)).Methods("GET") apiColls.HandleFunc("/{alias}/posts", handler.All(newPost)).Methods("POST") apiColls.HandleFunc("/{alias}/posts/{post}", handler.AllReader(fetchPost)).Methods("GET") apiColls.HandleFunc("/{alias}/posts/{post:[a-zA-Z0-9]{10}}", handler.All(existingPost)).Methods("POST") apiColls.HandleFunc("/{alias}/posts/{post}/{property}", handler.AllReader(fetchPostProperty)).Methods("GET") apiColls.HandleFunc("/{alias}/collect", handler.All(addPost)).Methods("POST") apiColls.HandleFunc("/{alias}/pin", handler.All(pinPost)).Methods("POST") apiColls.HandleFunc("/{alias}/unpin", handler.All(pinPost)).Methods("POST") apiColls.HandleFunc("/{alias}/inbox", handler.All(handleFetchCollectionInbox)).Methods("POST") apiColls.HandleFunc("/{alias}/outbox", handler.AllReader(handleFetchCollectionOutbox)).Methods("GET") apiColls.HandleFunc("/{alias}/following", handler.AllReader(handleFetchCollectionFollowing)).Methods("GET") apiColls.HandleFunc("/{alias}/followers", handler.AllReader(handleFetchCollectionFollowers)).Methods("GET") // Handle posts write.HandleFunc("/api/posts", handler.All(newPost)).Methods("POST") posts := write.PathPrefix("/api/posts/").Subrouter() posts.HandleFunc("/{post:[a-zA-Z0-9]{10}}", handler.AllReader(fetchPost)).Methods("GET") posts.HandleFunc("/{post:[a-zA-Z0-9]{10}}", handler.All(existingPost)).Methods("POST", "PUT") posts.HandleFunc("/{post:[a-zA-Z0-9]{10}}", handler.All(deletePost)).Methods("DELETE") posts.HandleFunc("/{post:[a-zA-Z0-9]{10}}/{property}", handler.AllReader(fetchPostProperty)).Methods("GET") posts.HandleFunc("/claim", handler.All(addPost)).Methods("POST") posts.HandleFunc("/disperse", handler.All(dispersePost)).Methods("POST") write.HandleFunc("/auth/signup", handler.Web(handleWebSignup, UserLevelNoneRequired)).Methods("POST") write.HandleFunc("/auth/login", handler.Web(webLogin, UserLevelNoneRequired)).Methods("POST") write.HandleFunc("/admin", handler.Admin(handleViewAdminDash)).Methods("GET") write.HandleFunc("/admin/users", handler.Admin(handleViewAdminUsers)).Methods("GET") write.HandleFunc("/admin/user/{username}", handler.Admin(handleViewAdminUser)).Methods("GET") write.HandleFunc("/admin/user/{username}/status", handler.Admin(handleAdminToggleUserStatus)).Methods("POST") + write.HandleFunc("/admin/user/{username}/passphrase", handler.Admin(handleAdminResetUserPass)).Methods("POST") write.HandleFunc("/admin/pages", handler.Admin(handleViewAdminPages)).Methods("GET") write.HandleFunc("/admin/page/{slug}", handler.Admin(handleViewAdminPage)).Methods("GET") write.HandleFunc("/admin/update/config", handler.AdminApper(handleAdminUpdateConfig)).Methods("POST") write.HandleFunc("/admin/update/{page}", handler.Admin(handleAdminUpdateSite)).Methods("POST") // Handle special pages first write.HandleFunc("/login", handler.Web(viewLogin, UserLevelNoneRequired)) write.HandleFunc("/signup", handler.Web(handleViewLanding, UserLevelNoneRequired)) write.HandleFunc("/invite/{code}", handler.Web(handleViewInvite, UserLevelOptional)).Methods("GET") // TODO: show a reader-specific 404 page if the function is disabled write.HandleFunc("/read", handler.Web(viewLocalTimeline, UserLevelReader)) RouteRead(handler, UserLevelReader, write.PathPrefix("/read").Subrouter()) draftEditPrefix := "" if apper.App().cfg.App.SingleUser { draftEditPrefix = "/d" write.HandleFunc("/me/new", handler.Web(handleViewPad, UserLevelOptional)).Methods("GET") } else { write.HandleFunc("/new", handler.Web(handleViewPad, UserLevelOptional)).Methods("GET") } // All the existing stuff write.HandleFunc(draftEditPrefix+"/{action}/edit", handler.Web(handleViewPad, UserLevelOptional)).Methods("GET") write.HandleFunc(draftEditPrefix+"/{action}/meta", handler.Web(handleViewMeta, UserLevelOptional)).Methods("GET") // Collections if apper.App().cfg.App.SingleUser { RouteCollections(handler, write.PathPrefix("/").Subrouter()) } else { write.HandleFunc("/{prefix:[@~$!\\-+]}{collection}", handler.Web(handleViewCollection, UserLevelReader)) write.HandleFunc("/{collection}/", handler.Web(handleViewCollection, UserLevelReader)) RouteCollections(handler, write.PathPrefix("/{prefix:[@~$!\\-+]?}{collection}").Subrouter()) // Posts } write.HandleFunc(draftEditPrefix+"/{post}", handler.Web(handleViewPost, UserLevelOptional)) write.HandleFunc("/", handler.Web(handleViewHome, UserLevelOptional)) return r } func RouteCollections(handler *Handler, r *mux.Router) { r.HandleFunc("/page/{page:[0-9]+}", handler.Web(handleViewCollection, UserLevelReader)) r.HandleFunc("/tag:{tag}", handler.Web(handleViewCollectionTag, UserLevelReader)) r.HandleFunc("/tag:{tag}/feed/", handler.Web(ViewFeed, UserLevelReader)) r.HandleFunc("/tags/{tag}", handler.Web(handleViewCollectionTag, UserLevelReader)) r.HandleFunc("/sitemap.xml", handler.AllReader(handleViewSitemap)) r.HandleFunc("/feed/", handler.AllReader(ViewFeed)) r.HandleFunc("/{slug}", handler.CollectionPostOrStatic) r.HandleFunc("/{slug}/edit", handler.Web(handleViewPad, UserLevelUser)) r.HandleFunc("/{slug}/edit/meta", handler.Web(handleViewMeta, UserLevelUser)) r.HandleFunc("/{slug}/", handler.Web(handleCollectionPostRedirect, UserLevelReader)).Methods("GET") } func RouteRead(handler *Handler, readPerm UserLevelFunc, r *mux.Router) { r.HandleFunc("/api/posts", handler.Web(viewLocalTimelineAPI, readPerm)) r.HandleFunc("/p/{page}", handler.Web(viewLocalTimeline, readPerm)) r.HandleFunc("/feed/", handler.Web(viewLocalTimelineFeed, readPerm)) r.HandleFunc("/t/{tag}", handler.Web(viewLocalTimeline, readPerm)) r.HandleFunc("/a/{post}", handler.Web(handlePostIDRedirect, readPerm)) r.HandleFunc("/{author}", handler.Web(viewLocalTimeline, readPerm)) r.HandleFunc("/", handler.Web(viewLocalTimeline, readPerm)) } diff --git a/templates/chorus-collection-post.tmpl b/templates/chorus-collection-post.tmpl index 58e514f..a6b6102 100644 --- a/templates/chorus-collection-post.tmpl +++ b/templates/chorus-collection-post.tmpl @@ -1,153 +1,153 @@ {{define "post"}} {{.PlainDisplayTitle}} {{localhtml "title dash" .Language.String}} {{.Collection.DisplayTitle}} - + {{if gt .Views 1}} {{end}} {{if gt (len .Images) 0}}{{else}}{{end}} - + {{range .Images}}{{else}}{{end}} {{if .Collection.StyleSheet}}{{end}} {{if .Collection.RenderMathJax}} {{template "mathjax" . }} {{end}} {{template "highlighting" .}}
{{template "user-navigation" .}} {{if .Suspended}} {{template "user-suspended"}} {{end}}
{{if .IsScheduled}}

Scheduled

{{end}}{{if .Title.String}}

{{.FormattedDisplayTitle}}

{{end}}{{/* TODO: check format: if .Collection.Format.ShowDates*/}}
{{.HTMLContent}}
{{ if .Collection.ShowFooterBranding }} {{ end }} {{if .Collection.CanShowScript}} {{range .Collection.ExternalScripts}}{{end}} {{if .Collection.Script}}{{end}} {{end}} {{end}} diff --git a/templates/chorus-collection.tmpl b/templates/chorus-collection.tmpl index 5f4d418..504e54f 100644 --- a/templates/chorus-collection.tmpl +++ b/templates/chorus-collection.tmpl @@ -1,233 +1,233 @@ {{define "collection"}} {{.DisplayTitle}}{{if not .SingleUser}} — {{.SiteName}}{{end}} {{if gt .CurrentPage 1}}{{end}} {{if lt .CurrentPage .TotalPages}}{{end}} {{if not .IsPrivate}}{{end}} {{if .StyleSheet}}{{end}} {{if .RenderMathJax}} {{template "mathjax" .}} {{end}} {{template "highlighting" . }} {{template "user-navigation" .}} {{if .Suspended}} {{template "user-suspended"}} {{end}}

{{.DisplayTitle}}

{{if .Description}}

{{.Description}}

{{end}} {{/*if not .Public/*}} {{/*end*/}} {{if .PinnedPosts}} + {{range .PinnedPosts}}{{.PlainDisplayTitle}}{{end}} {{end}}
{{if .Posts}}
{{else}}
{{end}} {{if .IsWelcome}}

Welcome, {{.Username}}!

This is your new blog.

Start writing, or customize your blog.

Check out our writing guide to see what else you can do, and get in touch anytime with questions or feedback.

{{end}} {{template "posts" .}} {{if gt .TotalPages 1}}{{end}} {{if .Posts}}
{{else}}{{end}} {{if .ShowFooterBranding }} {{ end }} {{if .CanShowScript}} {{range .ExternalScripts}}{{end}} {{if .Script}}{{end}} {{end}} {{end}} diff --git a/templates/collection-post.tmpl b/templates/collection-post.tmpl index 4398804..e24c6dd 100644 --- a/templates/collection-post.tmpl +++ b/templates/collection-post.tmpl @@ -1,133 +1,133 @@ {{define "post"}} {{.PlainDisplayTitle}} {{localhtml "title dash" .Language.String}} {{.Collection.DisplayTitle}} {{ if .IsFound }} - + {{if gt .Views 1}} {{end}} {{if gt (len .Images) 0}}{{else}}{{end}} - + {{range .Images}}{{else}}{{end}} {{ end }} {{if .Collection.StyleSheet}}{{end}} {{if .Collection.RenderMathJax}} {{template "mathjax" . }} {{end}} {{template "highlighting" .}}

{{if .Suspended}} {{template "user-suspended"}} {{end}}
{{if .IsScheduled}}

Scheduled

{{end}}{{if .Title.String}}

{{.FormattedDisplayTitle}}

{{end}}
{{.HTMLContent}}
{{ if .Collection.ShowFooterBranding }} {{ end }} {{if .Collection.CanShowScript}} {{range .Collection.ExternalScripts}}{{end}} {{if .Collection.Script}}{{end}} {{end}} {{end}} diff --git a/templates/collection-tags.tmpl b/templates/collection-tags.tmpl index 5e2e2d3..2618f3d 100644 --- a/templates/collection-tags.tmpl +++ b/templates/collection-tags.tmpl @@ -1,197 +1,197 @@ {{define "collection-tags"}} {{.Tag}} — {{.Collection.DisplayTitle}} {{if not .Collection.IsPrivate}}{{end}} {{if gt .Views 1}} {{end}} {{if .Collection.StyleSheet}}{{end}} {{if .Collection.RenderMathJax}} {{template "mathjax" .}} {{end}} {{template "highlighting" . }}

{{.Collection.DisplayTitle}}

{{if .Suspended}} {{template "user-suspended"}} {{end}} {{if .Posts}}
{{else}}
{{end}}

{{.Tag}}

{{template "posts" .}} {{if .Posts}}
{{else}}{{end}} {{ if .Collection.ShowFooterBranding }} {{ end }} {{if .CanShowScript}} {{range .ExternalScripts}}{{end}} {{if .Collection.Script}}{{end}} {{end}} {{if .IsOwner}} {{end}} {{end}} diff --git a/templates/collection.tmpl b/templates/collection.tmpl index 5a33bba..47dc24d 100644 --- a/templates/collection.tmpl +++ b/templates/collection.tmpl @@ -1,233 +1,233 @@ {{define "collection"}} {{.DisplayTitle}}{{if not .SingleUser}} — {{.SiteName}}{{end}} {{if gt .CurrentPage 1}}{{end}} {{if lt .CurrentPage .TotalPages}}{{end}} {{if not .IsPrivate}}{{end}} {{if .StyleSheet}}{{end}} {{if .RenderMathJax}} {{template "mathjax" .}} {{end}} {{template "highlighting" . }} {{if or .IsOwner .SingleUser}}{{end}}
{{if .Suspended}} {{template "user-suspended"}} {{end}}

{{if .Posts}}{{else}}write.as {{end}}{{.DisplayTitle}}

{{if .Description}}

{{.Description}}

{{end}} {{/*if not .Public/*}} {{/*end*/}} {{if .PinnedPosts}} + {{range .PinnedPosts}}{{.PlainDisplayTitle}}{{end}} {{end}}
{{if .Posts}}
{{else}}
{{end}} {{if .IsWelcome}}

Welcome, {{.Username}}!

This is your new blog.

Start writing, or customize your blog.

Check out our writing guide to see what else you can do, and get in touch anytime with questions or feedback.

{{end}} {{template "posts" .}} {{if gt .TotalPages 1}}{{end}} {{if .Posts}}
{{else}}{{end}} {{if .ShowFooterBranding }} {{ end }} {{if .CanShowScript}} {{range .ExternalScripts}}{{end}} {{if .Script}}{{end}} {{end}} {{end}} diff --git a/templates/pad.tmpl b/templates/pad.tmpl index 0b73b94..a8fca98 100644 --- a/templates/pad.tmpl +++ b/templates/pad.tmpl @@ -1,367 +1,367 @@ {{define "pad"}} {{if .Editing}}Editing {{if .Post.Title}}{{.Post.Title}}{{else}}{{.Post.Id}}{{end}}{{else}}New Post{{end}} — {{.SiteName}}
{{if not .SingleUser}}

{{end}}
{{if .Editing}}{{end}}
{{end}} diff --git a/templates/read.tmpl b/templates/read.tmpl index 9541ab5..f1cbf29 100644 --- a/templates/read.tmpl +++ b/templates/read.tmpl @@ -1,132 +1,132 @@ {{define "head"}}{{.SiteName}} Reader {{if gt .CurrentPage 1}}{{end}} {{if lt .CurrentPage .TotalPages}}{{end}} {{end}} {{define "body-attrs"}}id="collection"{{end}} {{define "content"}}

{{.ContentTitle}}

{{if .SelTopic}}#{{.SelTopic}} posts{{else}}{{.Content}}{{end}}

{{ if gt (len .Posts) 0 }}
{{range .Posts}}
- {{if .Title.String}}

+ {{if .Title.String}}

{{else}} -

+

{{end}}

{{if .Collection}}from {{.Collection.DisplayTitle}}{{else}}Anonymous{{end}}

{{if .Excerpt}}
{{.Excerpt}}
- {{localstr "Read more..." .Language.String}}{{else}}
{{ if not .HTMLContent }}

{{.Content}}

{{ else }}{{.HTMLContent}}{{ end }}
 
+ {{localstr "Read more..." .Language.String}}{{else}}
{{ if not .HTMLContent }}

{{.Content}}

{{ else }}{{.HTMLContent}}{{ end }}
 
- {{localstr "Read more..." .Language.String}}{{end}}
+ {{localstr "Read more..." .Language.String}}{{end}} {{end}}
{{ else }}

No posts here yet!

{{ end }} {{if gt .TotalPages 1}}{{end}}
{{end}} diff --git a/templates/user/admin/view-user.tmpl b/templates/user/admin/view-user.tmpl index be50b12..7a7446c 100644 --- a/templates/user/admin/view-user.tmpl +++ b/templates/user/admin/view-user.tmpl @@ -1,126 +1,160 @@ {{define "view-user"}} {{template "header" .}}
{{template "admin-header" .}}

{{.User.Username}}

- + {{if .NewPassword}}
+

This user's password has been reset to:

+

+

They can use this new password to log in to their account. This will only be shown once, so be sure to copy it and send it to them now.

+ {{if .ClearEmail}}

Their email address is: {{.ClearEmail}}

{{end}} +
+ {{end}} + + + +
No. {{.User.ID}}
Type {{if .User.IsAdmin}}Admin{{else}}User{{end}}
Username {{.User.Username}}
Joined {{.User.CreatedFriendly}}
Total Posts {{.TotalPosts}}
Last Post {{if .LastPost}}{{.LastPost}}{{else}}Never{{end}}
Status {{if .User.IsSilenced}}

Silenced

{{else}}

Active

{{end}}
Password + {{if ne .Username .User.Username}} +
+ + +
+ {{else}} + Change your password + {{end}} +

Blogs

{{range .Colls}}

{{.Title}}

{{if $.Config.Federation}} {{end}}
Alias {{.Alias}}
Title {{.Title}}
Description {{.Description}}
Visibility {{.FriendlyVisibility}}
Views {{.Views}}
Posts {{.TotalPosts}}
Last Post {{if .LastPost}}{{.LastPost}}{{else}}Never{{end}}
Fediverse Followers {{.Followers}}
{{end}}
+ form = document.getElementById("reset-form"); + form.addEventListener('submit', function(e) { + e.preventDefault(); + agreed = confirm("Reset this user's password? This will generate a new temporary password that you'll need to share with them, and invalidate their old one."); + if (agreed === true) { + form.submit(); + } + }); + {{template "footer" .}} {{end}} diff --git a/unregisteredusers.go b/unregisteredusers.go index 550c83b..b6f6ce6 100644 --- a/unregisteredusers.go +++ b/unregisteredusers.go @@ -1,147 +1,148 @@ /* * Copyright © 2018-2019 A Bunch Tell LLC. * * This file is part of WriteFreely. * * WriteFreely is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License, included * in the LICENSE file in this source code package. */ package writefreely import ( "database/sql" "encoding/json" + "net/http" + "github.com/writeas/impart" "github.com/writeas/web-core/log" - "net/http" ) func handleWebSignup(app *App, w http.ResponseWriter, r *http.Request) error { - reqJSON := IsJSON(r.Header.Get("Content-Type")) + reqJSON := IsJSON(r) // Get params var ur userRegistration if reqJSON { decoder := json.NewDecoder(r.Body) err := decoder.Decode(&ur) if err != nil { log.Error("Couldn't parse signup JSON request: %v\n", err) return ErrBadJSON } } else { err := r.ParseForm() if err != nil { log.Error("Couldn't parse signup form request: %v\n", err) return ErrBadFormData } err = app.formDecoder.Decode(&ur, r.PostForm) if err != nil { log.Error("Couldn't decode signup form request: %v\n", err) return ErrBadFormData } } ur.Web = true ur.Normalize = true to := "/" if app.cfg.App.SimpleNav { to = "/new" } if ur.InviteCode != "" { to = "/invite/" + ur.InviteCode } _, err := signupWithRegistration(app, ur, w, r) if err != nil { if err, ok := err.(impart.HTTPError); ok { session, _ := app.sessionStore.Get(r, cookieName) if session != nil { session.AddFlash(err.Message) session.Save(r, w) return impart.HTTPError{http.StatusFound, to} } } return err } return impart.HTTPError{http.StatusFound, to} } // { "username": "asdf" } // result: { code: 204 } func handleUsernameCheck(app *App, w http.ResponseWriter, r *http.Request) error { - reqJSON := IsJSON(r.Header.Get("Content-Type")) + reqJSON := IsJSON(r) // Get params var d struct { Username string `json:"username"` } if reqJSON { decoder := json.NewDecoder(r.Body) err := decoder.Decode(&d) if err != nil { log.Error("Couldn't decode username check: %v\n", err) return ErrBadFormData } } else { return impart.HTTPError{http.StatusNotAcceptable, "Must be JSON request"} } // Check if username is okay finalUsername := getSlug(d.Username, "") if finalUsername == "" { errMsg := "Invalid username" if d.Username != "" { // Username was provided, but didn't convert into valid latin characters errMsg += " - must have at least 2 letters or numbers" } return impart.HTTPError{http.StatusBadRequest, errMsg + "."} } if app.db.PostIDExists(finalUsername) { return impart.HTTPError{http.StatusConflict, "Username is already taken."} } var un string err := app.db.QueryRow("SELECT username FROM users WHERE username = ?", finalUsername).Scan(&un) switch { case err == sql.ErrNoRows: return impart.WriteSuccess(w, finalUsername, http.StatusOK) case err != nil: log.Error("Couldn't SELECT username: %v", err) return impart.HTTPError{http.StatusInternalServerError, "We messed up."} } // Username was found, so it's taken return impart.HTTPError{http.StatusConflict, "Username is already taken."} } func getValidUsername(app *App, reqName, prevName string) (string, *impart.HTTPError) { // Check if username is okay finalUsername := getSlug(reqName, "") if finalUsername == "" { errMsg := "Invalid username" if reqName != "" { // Username was provided, but didn't convert into valid latin characters errMsg += " - must have at least 2 letters or numbers" } return "", &impart.HTTPError{http.StatusBadRequest, errMsg + "."} } if finalUsername == prevName { return "", &impart.HTTPError{http.StatusNotModified, "Username unchanged."} } if app.db.PostIDExists(finalUsername) { return "", &impart.HTTPError{http.StatusConflict, "Username is already taken."} } var un string err := app.db.QueryRow("SELECT username FROM users WHERE username = ?", finalUsername).Scan(&un) switch { case err == sql.ErrNoRows: return finalUsername, nil case err != nil: log.Error("Couldn't SELECT username: %v", err) return "", &impart.HTTPError{http.StatusInternalServerError, "We messed up."} } // Username was found, so it's taken return "", &impart.HTTPError{http.StatusConflict, "Username is already taken."} }