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diff --git a/app.go b/app.go
index 65939a9..172a00e 100644
--- a/app.go
+++ b/app.go
@@ -1,424 +1,431 @@
package writefreely
import (
"database/sql"
"flag"
"fmt"
_ "github.com/go-sql-driver/mysql"
"html/template"
"io/ioutil"
"net/http"
"net/url"
"os"
"os/signal"
"regexp"
"strings"
"syscall"
"time"
"github.com/gorilla/mux"
"github.com/gorilla/schema"
"github.com/gorilla/sessions"
"github.com/manifoldco/promptui"
"github.com/writeas/web-core/converter"
"github.com/writeas/web-core/log"
"github.com/writeas/writefreely/config"
"github.com/writeas/writefreely/page"
)
const (
staticDir = "static/"
assumedTitleLen = 80
postsPerPage = 10
serverSoftware = "WriteFreely"
softwareURL = "https://writefreely.org"
)
// Software version can be set from git env using -ldflags
var softwareVer = "0.3"
var (
debugging bool
// DEPRECATED VARS
// TODO: pass app.cfg into GetCollection* calls so we can get these values
// from Collection methods and we no longer need these.
hostName string
isSingleUser bool
)
type app struct {
router *mux.Router
db *datastore
cfg *config.Config
keys *keychain
sessionStore *sessions.CookieStore
formDecoder *schema.Decoder
}
// handleViewHome shows page at root path. Will be the Pad if logged in and the
// catch-all landing page otherwise.
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
u := getUserSession(app, r)
if u != nil {
// User is logged in, so show the Pad
return handleViewPad(app, w, r)
}
p := struct {
page.StaticPage
Flashes []template.HTML
}{
StaticPage: pageForReq(app, r),
}
// 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
Content template.HTML
Updated string
+
+ AboutStats *InstanceStats
}{
StaticPage: pageForReq(app, r),
}
if r.URL.Path == "/about" || r.URL.Path == "/privacy" {
var c string
var updated *time.Time
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, updated, err = getPrivacyPage(app)
}
if err != nil {
return err
}
p.Content = template.HTML(applyMarkdown([]byte(c)))
if updated != nil {
p.Updated = 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
}
}
return p
}
var shttp = http.NewServeMux()
var fileRegex = regexp.MustCompile("/([^/]*\\.[^/]*)$")
func Serve() {
debugPtr := flag.Bool("debug", false, "Enables debug logging.")
createConfig := flag.Bool("create-config", false, "Creates a basic configuration and exits")
doConfig := flag.Bool("config", false, "Run the configuration process")
genKeys := flag.Bool("gen-keys", false, "Generate encryption and authentication keys")
createSchema := flag.Bool("init-db", false, "Initialize app database")
resetPassUser := flag.String("reset-pass", "", "Reset the given user's password")
outputVersion := flag.Bool("v", false, "Output the current version")
flag.Parse()
debugging = *debugPtr
app := &app{}
if *outputVersion {
fmt.Println(serverSoftware + " " + softwareVer)
os.Exit(0)
} else if *createConfig {
log.Info("Creating configuration...")
c := config.New()
log.Info("Saving configuration...")
err := config.Save(c)
if err != nil {
log.Error("Unable to save configuration: %v", err)
os.Exit(1)
}
os.Exit(0)
} else if *doConfig {
d, err := config.Configure()
if err != nil {
log.Error("Unable to configure: %v", err)
os.Exit(1)
}
if d.User != nil {
app.cfg = d.Config
connectToDatabase(app)
defer shutdown(app)
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(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)
} else if *genKeys {
errStatus := 0
err := generateKey(emailKeyPath)
if err != nil {
errStatus = 1
}
err = generateKey(cookieAuthKeyPath)
if err != nil {
errStatus = 1
}
err = generateKey(cookieKeyPath)
if err != nil {
errStatus = 1
}
os.Exit(errStatus)
} else if *createSchema {
log.Info("Loading configuration...")
cfg, err := config.Load()
if err != nil {
log.Error("Unable to load configuration: %v", err)
os.Exit(1)
}
app.cfg = cfg
connectToDatabase(app)
defer shutdown(app)
schema, err := ioutil.ReadFile("schema.sql")
if err != nil {
log.Error("Unable to load schema.sql: %v", err)
os.Exit(1)
}
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.")
}
}
os.Exit(0)
} else if *resetPassUser != "" {
// Connect to the database
log.Info("Loading configuration...")
cfg, err := config.Load()
if err != nil {
log.Error("Unable to load configuration: %v", err)
os.Exit(1)
}
app.cfg = cfg
connectToDatabase(app)
defer shutdown(app)
// Fetch user
u, err := app.db.GetUserForAuth(*resetPassUser)
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(app, u, newPass)
if err != nil {
log.Error("%s", err)
os.Exit(1)
}
log.Info("Success.")
os.Exit(0)
}
log.Info("Initializing...")
log.Info("Loading configuration...")
cfg, err := config.Load()
if err != nil {
log.Error("Unable to load configuration: %v", err)
os.Exit(1)
}
app.cfg = cfg
hostName = cfg.App.Host
isSingleUser = cfg.App.SingleUser
app.cfg.Server.Dev = *debugPtr
initTemplates()
// Load keys
log.Info("Loading encryption keys...")
err = initKeys(app)
if err != nil {
log.Error("\n%s\n", err)
}
// Initialize modules
app.sessionStore = initSession(app)
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)
// Check database configuration
if app.cfg.Database.User == "" || app.cfg.Database.Password == "" {
log.Error("Database user or password not set.")
os.Exit(1)
}
if app.cfg.Database.Host == "" {
app.cfg.Database.Host = "localhost"
}
if app.cfg.Database.Database == "" {
app.cfg.Database.Database = "writefreely"
}
connectToDatabase(app)
defer shutdown(app)
r := mux.NewRouter()
handler := NewHandler(app)
handler.SetErrorPages(&ErrorPages{
NotFound: pages["404-general.tmpl"],
Gone: pages["410.tmpl"],
InternalServerError: pages["500.tmpl"],
Blank: pages["blank.tmpl"],
})
// Handle app routes
initRoutes(handler, r, app.cfg, app.db)
// Handle static files
fs := http.FileServer(http.Dir(staticDir))
shttp.Handle("/", fs)
r.PathPrefix("/").Handler(fs)
// 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
http.Handle("/", r)
log.Info("Serving on http://localhost:%d\n", app.cfg.Server.Port)
log.Info("---")
err = http.ListenAndServe(fmt.Sprintf(":%d", app.cfg.Server.Port), nil)
if err != nil {
log.Error("Unable to start: %v", err)
os.Exit(1)
}
}
func connectToDatabase(app *app) {
if app.cfg.Database.Type != "mysql" {
log.Error("Invalid database type '%s'. Only 'mysql' is supported right now.", app.cfg.Database.Type)
os.Exit(1)
}
log.Info("Connecting to %s database...", app.cfg.Database.Type)
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())))
if err != nil {
log.Error("%s", err)
os.Exit(1)
}
app.db = &datastore{db}
app.db.SetMaxOpenConns(50)
}
func shutdown(app *app) {
log.Info("Closing database connection...")
app.db.Close()
}
diff --git a/database.go b/database.go
index 0c79e10..468b04d 100644
--- a/database.go
+++ b/database.go
@@ -1,2140 +1,2158 @@
package writefreely
import (
"database/sql"
"fmt"
"net/http"
"strings"
"time"
"github.com/go-sql-driver/mysql"
"github.com/guregu/null"
"github.com/guregu/null/zero"
uuid "github.com/nu7hatch/gouuid"
"github.com/writeas/impart"
"github.com/writeas/nerds/store"
"github.com/writeas/web-core/activitypub"
"github.com/writeas/web-core/auth"
"github.com/writeas/web-core/data"
"github.com/writeas/web-core/id"
"github.com/writeas/web-core/log"
"github.com/writeas/web-core/query"
"github.com/writeas/writefreely/author"
)
const (
mySQLErrDuplicateKey = 1062
)
type writestore interface {
CreateUser(*User, string) error
UpdateUserEmail(keys *keychain, userID int64, email string) error
UpdateEncryptedUserEmail(int64, []byte) error
GetUserByID(int64) (*User, error)
GetUserForAuth(string) (*User, error)
GetUserForAuthByID(int64) (*User, error)
GetUserNameFromToken(string) (string, error)
GetUserDataFromToken(string) (int64, string, error)
GetAPIUser(header string) (*User, error)
GetUserID(accessToken string) int64
GetUserIDPrivilege(accessToken string) (userID int64, sudo bool)
DeleteToken(accessToken []byte) error
FetchLastAccessToken(userID int64) string
GetAccessToken(userID int64) (string, error)
GetTemporaryAccessToken(userID int64, validSecs int) (string, error)
GetTemporaryOneTimeAccessToken(userID int64, validSecs int, oneTime bool) (string, error)
DeleteAccount(userID int64) (l *string, err error)
ChangeSettings(app *app, u *User, s *userSettings) error
ChangePassphrase(userID int64, sudo bool, curPass string, hashedPass []byte) error
GetCollections(u *User) (*[]Collection, error)
GetPublishableCollections(u *User) (*[]Collection, error)
GetMeStats(u *User) userMeStats
+ GetTotalCollections() (int64, error)
+ GetTotalPosts() (int64, error)
GetTopPosts(u *User, alias string) (*[]PublicPost, error)
GetAnonymousPosts(u *User) (*[]PublicPost, error)
GetUserPosts(u *User) (*[]PublicPost, error)
CreateOwnedPost(post *SubmittedPost, accessToken, collAlias string) (*PublicPost, error)
CreatePost(userID, collID int64, post *SubmittedPost) (*Post, error)
UpdateOwnedPost(post *AuthenticatedPost, userID int64) error
GetEditablePost(id, editToken string) (*PublicPost, error)
PostIDExists(id string) bool
GetPost(id string, collectionID int64) (*PublicPost, error)
GetOwnedPost(id string, ownerID int64) (*PublicPost, error)
GetPostProperty(id string, collectionID int64, property string) (interface{}, error)
CreateCollectionFromToken(string, string, string) (*Collection, error)
CreateCollection(string, string, int64) (*Collection, error)
GetCollectionBy(condition string, value interface{}) (*Collection, error)
GetCollection(alias string) (*Collection, error)
GetCollectionForPad(alias string) (*Collection, error)
GetCollectionByID(id int64) (*Collection, error)
UpdateCollection(c *SubmittedCollection, alias string) error
DeleteCollection(alias string, userID int64) error
UpdatePostPinState(pinned bool, postID string, collID, ownerID, pos int64) error
GetLastPinnedPostPos(collID int64) int64
GetPinnedPosts(coll *CollectionObj) (*[]PublicPost, error)
RemoveCollectionRedirect(t *sql.Tx, alias string) error
GetCollectionRedirect(alias string) (new string)
IsCollectionAttributeOn(id int64, attr string) bool
CollectionHasAttribute(id int64, attr string) bool
CanCollect(cpr *ClaimPostRequest, userID int64) bool
AttemptClaim(p *ClaimPostRequest, query string, params []interface{}, slugIdx int) (sql.Result, error)
DispersePosts(userID int64, postIDs []string) (*[]ClaimPostResult, error)
ClaimPosts(userID int64, collAlias string, posts *[]ClaimPostRequest) (*[]ClaimPostResult, error)
GetPostsCount(c *CollectionObj, includeFuture bool)
GetPosts(c *Collection, page int, includeFuture, forceRecentFirst bool) (*[]PublicPost, error)
GetPostsTagged(c *Collection, tag string, page int, includeFuture bool) (*[]PublicPost, error)
GetAPFollowers(c *Collection) (*[]RemoteUser, error)
GetAPActorKeys(collectionID int64) ([]byte, []byte)
GetDynamicContent(id string) (string, *time.Time, error)
UpdateDynamicContent(id, content string) error
}
type datastore struct {
*sql.DB
}
func (db *datastore) CreateUser(u *User, collectionTitle string) error {
// New users get a `users` and `collections` row.
t, err := db.Begin()
if err != nil {
return err
}
if db.PostIDExists(u.Username) {
return impart.HTTPError{http.StatusConflict, "Invalid collection name."}
}
// 1. Add to `users` table
// NOTE: Assumes User's Password is already hashed!
res, err := t.Exec("INSERT INTO users (username, password, email, created) VALUES (?, ?, ?, NOW())", u.Username, u.HashedPass, u.Email)
if err != nil {
t.Rollback()
if mysqlErr, ok := err.(*mysql.MySQLError); ok {
if mysqlErr.Number == mySQLErrDuplicateKey {
return impart.HTTPError{http.StatusConflict, "Username is already taken."}
}
}
log.Error("Rolling back users INSERT: %v\n", err)
return err
}
u.ID, err = res.LastInsertId()
if err != nil {
t.Rollback()
log.Error("Rolling back after LastInsertId: %v\n", err)
return err
}
// 2. Create user's Collection
if collectionTitle == "" {
collectionTitle = u.Username
}
res, err = t.Exec("INSERT INTO collections (alias, title, description, privacy, owner_id, view_count) VALUES (?, ?, ?, ?, ?, ?)", u.Username, collectionTitle, "", CollUnlisted, u.ID, 0)
if err != nil {
t.Rollback()
if mysqlErr, ok := err.(*mysql.MySQLError); ok {
if mysqlErr.Number == mySQLErrDuplicateKey {
return impart.HTTPError{http.StatusConflict, "Username is already taken."}
}
}
log.Error("Rolling back collections INSERT: %v\n", err)
return err
}
db.RemoveCollectionRedirect(t, u.Username)
err = t.Commit()
if err != nil {
t.Rollback()
log.Error("Rolling back after Commit(): %v\n", err)
return err
}
return nil
}
// FIXME: We're returning errors inconsistently in this file. Do we use Errorf
// for returned value, or impart?
func (db *datastore) UpdateUserEmail(keys *keychain, userID int64, email string) error {
encEmail, err := data.Encrypt(keys.emailKey, email)
if err != nil {
return fmt.Errorf("Couldn't encrypt email %s: %s\n", email, err)
}
return db.UpdateEncryptedUserEmail(userID, encEmail)
}
func (db *datastore) UpdateEncryptedUserEmail(userID int64, encEmail []byte) error {
_, err := db.Exec("UPDATE users SET email = ? WHERE id = ?", encEmail, userID)
if err != nil {
return fmt.Errorf("Unable to update user email: %s", err)
}
return nil
}
func (db *datastore) CreateCollectionFromToken(alias, title, accessToken string) (*Collection, error) {
userID := db.GetUserID(accessToken)
if userID == -1 {
return nil, ErrBadAccessToken
}
return db.CreateCollection(alias, title, userID)
}
func (db *datastore) GetUserCollectionCount(userID int64) (uint64, error) {
var collCount uint64
err := db.QueryRow("SELECT COUNT(*) FROM collections WHERE owner_id = ?", userID).Scan(&collCount)
switch {
case err == sql.ErrNoRows:
return 0, impart.HTTPError{http.StatusInternalServerError, "Couldn't retrieve user from database."}
case err != nil:
log.Error("Couldn't get collections count for user %d: %v", userID, err)
return 0, err
}
return collCount, nil
}
func (db *datastore) CreateCollection(alias, title string, userID int64) (*Collection, error) {
if db.PostIDExists(alias) {
return nil, impart.HTTPError{http.StatusConflict, "Invalid collection name."}
}
// All good, so create new collection
res, err := db.Exec("INSERT INTO collections (alias, title, description, privacy, owner_id, view_count) VALUES (?, ?, ?, ?, ?, ?)", alias, title, "", CollUnlisted, userID, 0)
if err != nil {
if mysqlErr, ok := err.(*mysql.MySQLError); ok {
if mysqlErr.Number == mySQLErrDuplicateKey {
return nil, impart.HTTPError{http.StatusConflict, "Collection already exists."}
}
}
log.Error("Couldn't add to collections: %v\n", err)
return nil, err
}
c := &Collection{
Alias: alias,
Title: title,
OwnerID: userID,
PublicOwner: false,
}
c.ID, err = res.LastInsertId()
if err != nil {
log.Error("Couldn't get collection LastInsertId: %v\n", err)
}
return c, nil
}
func (db *datastore) GetUserByID(id int64) (*User, error) {
u := &User{ID: id}
err := db.QueryRow("SELECT username, password, email, created FROM users WHERE id = ?", id).Scan(&u.Username, &u.HashedPass, &u.Email, &u.Created)
switch {
case err == sql.ErrNoRows:
return nil, ErrUserNotFound
case err != nil:
log.Error("Couldn't SELECT user password: %v", err)
return nil, err
}
return u, nil
}
// DoesUserNeedAuth returns true if the user hasn't provided any methods for
// authenticating with the account, such a passphrase or email address.
// Any errors are reported to admin and silently quashed, returning false as the
// result.
func (db *datastore) DoesUserNeedAuth(id int64) bool {
var pass, email []byte
// Find out if user has an email set first
err := db.QueryRow("SELECT password, email FROM users WHERE id = ?", id).Scan(&pass, &email)
switch {
case err == sql.ErrNoRows:
// ERROR. Don't give false positives on needing auth methods
return false
case err != nil:
// ERROR. Don't give false positives on needing auth methods
log.Error("Couldn't SELECT user %d from users: %v", id, err)
return false
}
// User doesn't need auth if there's an email
return len(email) == 0 && len(pass) == 0
}
func (db *datastore) IsUserPassSet(id int64) (bool, error) {
var pass []byte
err := db.QueryRow("SELECT password FROM users WHERE id = ?", id).Scan(&pass)
switch {
case err == sql.ErrNoRows:
return false, nil
case err != nil:
log.Error("Couldn't SELECT user %d from users: %v", id, err)
return false, err
}
return len(pass) > 0, nil
}
func (db *datastore) GetUserForAuth(username string) (*User, error) {
u := &User{Username: username}
err := db.QueryRow("SELECT id, password, email, created FROM users WHERE username = ?", username).Scan(&u.ID, &u.HashedPass, &u.Email, &u.Created)
switch {
case err == sql.ErrNoRows:
// Check if they've entered the wrong, unnormalized username
username = getSlug(username, "")
if username != u.Username {
err = db.QueryRow("SELECT id FROM users WHERE username = ? LIMIT 1", username).Scan(&u.ID)
if err == nil {
return db.GetUserForAuth(username)
}
}
return nil, ErrUserNotFound
case err != nil:
log.Error("Couldn't SELECT user password: %v", err)
return nil, err
}
return u, nil
}
func (db *datastore) GetUserForAuthByID(userID int64) (*User, error) {
u := &User{ID: userID}
err := db.QueryRow("SELECT id, password, email, created FROM users WHERE id = ?", u.ID).Scan(&u.ID, &u.HashedPass, &u.Email, &u.Created)
switch {
case err == sql.ErrNoRows:
return nil, ErrUserNotFound
case err != nil:
log.Error("Couldn't SELECT userForAuthByID: %v", err)
return nil, err
}
return u, nil
}
func (db *datastore) GetUserNameFromToken(accessToken string) (string, error) {
t := auth.GetToken(accessToken)
if len(t) == 0 {
return "", ErrNoAccessToken
}
var oneTime bool
var username string
err := db.QueryRow("SELECT username, one_time FROM accesstokens LEFT JOIN users ON user_id = id WHERE token = ? AND (expires IS NULL OR expires > NOW())", t).Scan(&username, &oneTime)
switch {
case err == sql.ErrNoRows:
return "", ErrBadAccessToken
case err != nil:
return "", ErrInternalGeneral
}
// Delete token if it was one-time
if oneTime {
db.DeleteToken(t[:])
}
return username, nil
}
func (db *datastore) GetUserDataFromToken(accessToken string) (int64, string, error) {
t := auth.GetToken(accessToken)
if len(t) == 0 {
return 0, "", ErrNoAccessToken
}
var userID int64
var oneTime bool
var username string
err := db.QueryRow("SELECT user_id, username, one_time FROM accesstokens LEFT JOIN users ON user_id = id WHERE token = ? AND (expires IS NULL OR expires > NOW())", t).Scan(&userID, &username, &oneTime)
switch {
case err == sql.ErrNoRows:
return 0, "", ErrBadAccessToken
case err != nil:
return 0, "", ErrInternalGeneral
}
// Delete token if it was one-time
if oneTime {
db.DeleteToken(t[:])
}
return userID, username, nil
}
func (db *datastore) GetAPIUser(header string) (*User, error) {
uID := db.GetUserID(header)
if uID == -1 {
return nil, fmt.Errorf(ErrUserNotFound.Error())
}
return db.GetUserByID(uID)
}
// GetUserID takes a hexadecimal accessToken, parses it into its binary
// representation, and gets any user ID associated with the token. If no user
// is associated, -1 is returned.
func (db *datastore) GetUserID(accessToken string) int64 {
i, _ := db.GetUserIDPrivilege(accessToken)
return i
}
func (db *datastore) GetUserIDPrivilege(accessToken string) (userID int64, sudo bool) {
t := auth.GetToken(accessToken)
if len(t) == 0 {
return -1, false
}
var oneTime bool
err := db.QueryRow("SELECT user_id, sudo, one_time FROM accesstokens WHERE token = ? AND (expires IS NULL OR expires > NOW())", t).Scan(&userID, &sudo, &oneTime)
switch {
case err == sql.ErrNoRows:
return -1, false
case err != nil:
return -1, false
}
// Delete token if it was one-time
if oneTime {
db.DeleteToken(t[:])
}
return
}
func (db *datastore) DeleteToken(accessToken []byte) error {
res, err := db.Exec("DELETE FROM accesstokens WHERE token = ?", accessToken)
if err != nil {
return err
}
rowsAffected, _ := res.RowsAffected()
if rowsAffected == 0 {
return impart.HTTPError{http.StatusNotFound, "Token is invalid or doesn't exist"}
}
return nil
}
// FetchLastAccessToken creates a new non-expiring, valid access token for the given
// userID.
func (db *datastore) FetchLastAccessToken(userID int64) string {
var t []byte
err := db.QueryRow("SELECT token FROM accesstokens WHERE user_id = ? AND (expires IS NULL OR expires > NOW()) ORDER BY created DESC LIMIT 1", userID).Scan(&t)
switch {
case err == sql.ErrNoRows:
return ""
case err != nil:
log.Error("Failed selecting from accesstoken: %v", err)
return ""
}
u, err := uuid.Parse(t)
if err != nil {
return ""
}
return u.String()
}
// GetAccessToken creates a new non-expiring, valid access token for the given
// userID.
func (db *datastore) GetAccessToken(userID int64) (string, error) {
return db.GetTemporaryOneTimeAccessToken(userID, 0, false)
}
// GetTemporaryAccessToken creates a new valid access token for the given
// userID that remains valid for the given time in seconds. If validSecs is 0,
// the access token doesn't automatically expire.
func (db *datastore) GetTemporaryAccessToken(userID int64, validSecs int) (string, error) {
return db.GetTemporaryOneTimeAccessToken(userID, validSecs, false)
}
// GetTemporaryOneTimeAccessToken creates a new valid access token for the given
// userID that remains valid for the given time in seconds and can only be used
// once if oneTime is true. If validSecs is 0, the access token doesn't
// automatically expire.
func (db *datastore) GetTemporaryOneTimeAccessToken(userID int64, validSecs int, oneTime bool) (string, error) {
u, err := uuid.NewV4()
if err != nil {
log.Error("Unable to generate token: %v", err)
return "", err
}
// Insert UUID to `accesstokens`
binTok := u[:]
expirationVal := "NULL"
if validSecs > 0 {
expirationVal = fmt.Sprintf("DATE_ADD(NOW(), INTERVAL %d SECOND)", validSecs)
}
_, err = db.Exec("INSERT INTO accesstokens (token, user_id, created, one_time, expires) VALUES (?, ?, NOW(), ?, "+expirationVal+")", string(binTok), userID, oneTime)
if err != nil {
log.Error("Couldn't INSERT accesstoken: %v", err)
return "", err
}
return u.String(), nil
}
func (db *datastore) CreateOwnedPost(post *SubmittedPost, accessToken, collAlias string) (*PublicPost, error) {
var userID, collID int64 = -1, -1
var coll *Collection
var err error
if accessToken != "" {
userID = db.GetUserID(accessToken)
if userID == -1 {
return nil, ErrBadAccessToken
}
if collAlias != "" {
coll, err = db.GetCollection(collAlias)
if err != nil {
return nil, err
}
if coll.OwnerID != userID {
return nil, ErrForbiddenCollection
}
collID = coll.ID
}
}
rp := &PublicPost{}
rp.Post, err = db.CreatePost(userID, collID, post)
if err != nil {
return rp, err
}
if coll != nil {
coll.ForPublic()
rp.Collection = &CollectionObj{Collection: *coll}
}
return rp, nil
}
func (db *datastore) CreatePost(userID, collID int64, post *SubmittedPost) (*Post, error) {
idLen := postIDLen
friendlyID := store.GenerateFriendlyRandomString(idLen)
// Handle appearance / font face
appearance := post.Font
if !post.isFontValid() {
appearance = "norm"
}
var err error
ownerID := sql.NullInt64{
Valid: false,
}
ownerCollID := sql.NullInt64{
Valid: false,
}
slug := sql.NullString{"", false}
// If an alias was supplied, we'll add this to the collection as well.
if userID > 0 {
ownerID.Int64 = userID
ownerID.Valid = true
if collID > 0 {
ownerCollID.Int64 = collID
ownerCollID.Valid = true
var slugVal string
if post.Title != nil && *post.Title != "" {
slugVal = getSlug(*post.Title, post.Language.String)
if slugVal == "" {
slugVal = getSlug(*post.Content, post.Language.String)
}
} else {
slugVal = getSlug(*post.Content, post.Language.String)
}
if slugVal == "" {
slugVal = friendlyID
}
slug = sql.NullString{slugVal, true}
}
}
created := time.Now()
if post.Created != nil {
created, err = time.Parse("2006-01-02T15:04:05Z", *post.Created)
if err != nil {
log.Error("Unable to parse Created time '%s': %v", *post.Created, err)
created = time.Now()
}
}
stmt, err := db.Prepare("INSERT INTO posts (id, slug, title, content, text_appearance, language, rtl, privacy, owner_id, collection_id, created, updated, view_count) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, NOW(), ?)")
if err != nil {
return nil, err
}
defer stmt.Close()
_, err = stmt.Exec(friendlyID, slug, post.Title, post.Content, appearance, post.Language, post.IsRTL, 0, ownerID, ownerCollID, created, 0)
if err != nil {
if mysqlErr, ok := err.(*mysql.MySQLError); ok {
if mysqlErr.Number == mySQLErrDuplicateKey {
// Duplicate entry error; try a new slug
// TODO: make this a little more robust
slug = sql.NullString{id.GenSafeUniqueSlug(slug.String), true}
_, err = stmt.Exec(friendlyID, slug, post.Title, post.Content, appearance, post.Language, post.IsRTL, 0, ownerID, ownerCollID, created, 0)
if err != nil {
return nil, handleFailedPostInsert(fmt.Errorf("Retried slug generation, still failed: %v", err))
}
} else {
return nil, handleFailedPostInsert(err)
}
} else {
return nil, handleFailedPostInsert(err)
}
}
// TODO: return Created field in proper format
return &Post{
ID: friendlyID,
Slug: null.NewString(slug.String, slug.Valid),
Font: appearance,
Language: zero.NewString(post.Language.String, post.Language.Valid),
RTL: zero.NewBool(post.IsRTL.Bool, post.IsRTL.Valid),
OwnerID: null.NewInt(userID, true),
CollectionID: null.NewInt(userID, true),
Created: created.Truncate(time.Second).UTC(),
Updated: time.Now().Truncate(time.Second).UTC(),
Title: zero.NewString(*(post.Title), true),
Content: *(post.Content),
}, nil
}
// UpdateOwnedPost updates an existing post with only the given fields in the
// supplied AuthenticatedPost.
func (db *datastore) UpdateOwnedPost(post *AuthenticatedPost, userID int64) error {
params := []interface{}{}
var queryUpdates, sep, authCondition string
if post.Slug != nil && *post.Slug != "" {
queryUpdates += sep + "slug = ?"
sep = ", "
params = append(params, getSlug(*post.Slug, ""))
}
if post.Content != nil {
queryUpdates += sep + "content = ?"
sep = ", "
params = append(params, post.Content)
}
if post.Title != nil {
queryUpdates += sep + "title = ?"
sep = ", "
params = append(params, post.Title)
}
if post.Language.Valid {
queryUpdates += sep + "language = ?"
sep = ", "
params = append(params, post.Language.String)
}
if post.IsRTL.Valid {
queryUpdates += sep + "rtl = ?"
sep = ", "
params = append(params, post.IsRTL.Bool)
}
if post.Font != "" {
queryUpdates += sep + "text_appearance = ?"
sep = ", "
params = append(params, post.Font)
}
if post.Created != nil {
createTime, err := time.Parse(postMetaDateFormat, *post.Created)
if err != nil {
log.Error("Unable to parse Created date: %v", err)
return fmt.Errorf("That's the incorrect format for Created date.")
}
queryUpdates += sep + "created = ?"
sep = ", "
params = append(params, createTime)
}
// WHERE parameters...
// id = ?
params = append(params, post.ID)
// AND owner_id = ?
authCondition = "(owner_id = ?)"
params = append(params, userID)
if queryUpdates == "" {
return ErrPostNoUpdatableVals
}
queryUpdates += sep + "updated = NOW()"
res, err := db.Exec("UPDATE posts SET "+queryUpdates+" WHERE id = ? AND "+authCondition, params...)
if err != nil {
log.Error("Unable to update owned post: %v", err)
return err
}
rowsAffected, _ := res.RowsAffected()
if rowsAffected == 0 {
// Show the correct error message if nothing was updated
var dummy int
err := db.QueryRow("SELECT 1 FROM posts WHERE id = ? AND "+authCondition, post.ID, params[len(params)-1]).Scan(&dummy)
switch {
case err == sql.ErrNoRows:
return ErrUnauthorizedEditPost
case err != nil:
log.Error("Failed selecting from posts: %v", err)
}
return nil
}
return nil
}
func (db *datastore) GetCollectionBy(condition string, value interface{}) (*Collection, error) {
c := &Collection{}
// FIXME: change Collection to reflect database values. Add helper functions to get actual values
var styleSheet, script, format zero.String
row := db.QueryRow("SELECT id, alias, title, description, style_sheet, script, format, owner_id, privacy, view_count FROM collections WHERE "+condition, value)
err := row.Scan(&c.ID, &c.Alias, &c.Title, &c.Description, &styleSheet, &script, &format, &c.OwnerID, &c.Visibility, &c.Views)
switch {
case err == sql.ErrNoRows:
return nil, impart.HTTPError{http.StatusNotFound, "Collection doesn't exist."}
case err != nil:
log.Error("Failed selecting from collections: %v", err)
return nil, err
}
c.StyleSheet = styleSheet.String
c.Script = script.String
c.Format = format.String
c.Public = c.IsPublic()
c.db = db
return c, nil
}
func (db *datastore) GetCollection(alias string) (*Collection, error) {
return db.GetCollectionBy("alias = ?", alias)
}
func (db *datastore) GetCollectionForPad(alias string) (*Collection, error) {
c := &Collection{Alias: alias}
row := db.QueryRow("SELECT id, alias, title, description, privacy FROM collections WHERE alias = ?", alias)
err := row.Scan(&c.ID, &c.Alias, &c.Title, &c.Description, &c.Visibility)
switch {
case err == sql.ErrNoRows:
return c, impart.HTTPError{http.StatusNotFound, "Collection doesn't exist."}
case err != nil:
log.Error("Failed selecting from collections: %v", err)
return c, ErrInternalGeneral
}
c.Public = c.IsPublic()
return c, nil
}
func (db *datastore) GetCollectionByID(id int64) (*Collection, error) {
return db.GetCollectionBy("id = ?", id)
}
func (db *datastore) GetCollectionFromDomain(host string) (*Collection, error) {
return db.GetCollectionBy("host = ?", host)
}
func (db *datastore) UpdateCollection(c *SubmittedCollection, alias string) error {
q := query.NewUpdate().
SetStringPtr(c.Title, "title").
SetStringPtr(c.Description, "description").
SetNullString(c.StyleSheet, "style_sheet").
SetNullString(c.Script, "script")
if c.Format != nil {
cf := &CollectionFormat{Format: c.Format.String}
if cf.Valid() {
q.SetNullString(c.Format, "format")
}
}
var updatePass bool
if c.Visibility != nil && (collVisibility(*c.Visibility)&CollProtected == 0 || c.Pass != "") {
q.SetIntPtr(c.Visibility, "privacy")
if c.Pass != "" {
updatePass = true
}
}
// WHERE values
q.Where("alias = ? AND owner_id = ?", alias, c.OwnerID)
if q.Updates == "" {
return ErrPostNoUpdatableVals
}
// Find any current domain
var collID int64
var rowsAffected int64
var changed bool
var res sql.Result
err := db.QueryRow("SELECT id FROM collections WHERE alias = ?", alias).Scan(&collID)
if err != nil {
log.Error("Failed selecting from collections: %v. Some things won't work.", err)
}
// Update MathJax value
if c.MathJax {
_, err = db.Exec("INSERT INTO collectionattributes (collection_id, attribute, value) VALUES (?, ?, ?) ON DUPLICATE KEY UPDATE value = ?", collID, "render_mathjax", "1", "1")
if err != nil {
log.Error("Unable to insert render_mathjax value: %v", err)
return err
}
} else {
_, err = db.Exec("DELETE FROM collectionattributes WHERE collection_id = ? AND attribute = ?", collID, "render_mathjax")
if err != nil {
log.Error("Unable to delete render_mathjax value: %v", err)
return err
}
}
// Update rest of the collection data
res, err = db.Exec("UPDATE collections SET "+q.Updates+" WHERE "+q.Conditions, q.Params...)
if err != nil {
log.Error("Unable to update collection: %v", err)
return err
}
rowsAffected, _ = res.RowsAffected()
if !changed || rowsAffected == 0 {
// Show the correct error message if nothing was updated
var dummy int
err := db.QueryRow("SELECT 1 FROM collections WHERE alias = ? AND owner_id = ?", alias, c.OwnerID).Scan(&dummy)
switch {
case err == sql.ErrNoRows:
return ErrUnauthorizedEditPost
case err != nil:
log.Error("Failed selecting from collections: %v", err)
}
if !updatePass {
return nil
}
}
if updatePass {
hashedPass, err := auth.HashPass([]byte(c.Pass))
if err != nil {
log.Error("Unable to create hash: %s", err)
return impart.HTTPError{http.StatusInternalServerError, "Could not create password hash."}
}
_, err = db.Exec("INSERT INTO collectionpasswords (collection_id, password) VALUES ((SELECT id FROM collections WHERE alias = ?), ?) ON DUPLICATE KEY UPDATE password = ?", alias, hashedPass, hashedPass)
if err != nil {
return err
}
}
return nil
}
const postCols = "id, slug, text_appearance, language, rtl, privacy, owner_id, collection_id, pinned_position, created, updated, view_count, title, content"
// getEditablePost returns a PublicPost with the given ID only if the given
// edit token is valid for the post.
func (db *datastore) GetEditablePost(id, editToken string) (*PublicPost, error) {
// FIXME: code duplicated from getPost()
// TODO: add slight logic difference to getPost / one func
var ownerName sql.NullString
p := &Post{}
row := db.QueryRow("SELECT "+postCols+", (SELECT username FROM users WHERE users.id = posts.owner_id) AS username FROM posts WHERE id = ? LIMIT 1", id)
err := row.Scan(&p.ID, &p.Slug, &p.Font, &p.Language, &p.RTL, &p.Privacy, &p.OwnerID, &p.CollectionID, &p.PinnedPosition, &p.Created, &p.Updated, &p.ViewCount, &p.Title, &p.Content, &ownerName)
switch {
case err == sql.ErrNoRows:
return nil, ErrPostNotFound
case err != nil:
log.Error("Failed selecting from collections: %v", err)
return nil, err
}
if p.Content == "" {
return nil, ErrPostUnpublished
}
res := p.processPost()
if ownerName.Valid {
res.Owner = &PublicUser{Username: ownerName.String}
}
return &res, nil
}
func (db *datastore) PostIDExists(id string) bool {
var dummy bool
err := db.QueryRow("SELECT 1 FROM posts WHERE id = ?", id).Scan(&dummy)
return err == nil && dummy
}
// GetPost gets a public-facing post object from the database. If collectionID
// is > 0, the post will be retrieved by slug and collection ID, rather than
// post ID.
// TODO: break this into two functions:
// - GetPost(id string)
// - GetCollectionPost(slug string, collectionID int64)
func (db *datastore) GetPost(id string, collectionID int64) (*PublicPost, error) {
var ownerName sql.NullString
p := &Post{}
var row *sql.Row
var where string
params := []interface{}{id}
if collectionID > 0 {
where = "slug = ? AND collection_id = ?"
params = append(params, collectionID)
} else {
where = "id = ?"
}
row = db.QueryRow("SELECT "+postCols+", (SELECT username FROM users WHERE users.id = posts.owner_id) AS username FROM posts WHERE "+where+" LIMIT 1", params...)
err := row.Scan(&p.ID, &p.Slug, &p.Font, &p.Language, &p.RTL, &p.Privacy, &p.OwnerID, &p.CollectionID, &p.PinnedPosition, &p.Created, &p.Updated, &p.ViewCount, &p.Title, &p.Content, &ownerName)
switch {
case err == sql.ErrNoRows:
if collectionID > 0 {
return nil, ErrCollectionPageNotFound
}
return nil, ErrPostNotFound
case err != nil:
log.Error("Failed selecting from collections: %v", err)
return nil, err
}
if p.Content == "" {
return nil, ErrPostUnpublished
}
res := p.processPost()
if ownerName.Valid {
res.Owner = &PublicUser{Username: ownerName.String}
}
return &res, nil
}
// TODO: don't duplicate getPost() functionality
func (db *datastore) GetOwnedPost(id string, ownerID int64) (*PublicPost, error) {
p := &Post{}
var row *sql.Row
where := "id = ? AND owner_id = ?"
params := []interface{}{id, ownerID}
row = db.QueryRow("SELECT "+postCols+" FROM posts WHERE "+where+" LIMIT 1", params...)
err := row.Scan(&p.ID, &p.Slug, &p.Font, &p.Language, &p.RTL, &p.Privacy, &p.OwnerID, &p.CollectionID, &p.PinnedPosition, &p.Created, &p.Updated, &p.ViewCount, &p.Title, &p.Content)
switch {
case err == sql.ErrNoRows:
return nil, ErrPostNotFound
case err != nil:
log.Error("Failed selecting from collections: %v", err)
return nil, err
}
if p.Content == "" {
return nil, ErrPostUnpublished
}
res := p.processPost()
return &res, nil
}
func (db *datastore) GetPostProperty(id string, collectionID int64, property string) (interface{}, error) {
propSelects := map[string]string{
"views": "view_count AS views",
}
selectQuery, ok := propSelects[property]
if !ok {
return nil, impart.HTTPError{http.StatusBadRequest, fmt.Sprintf("Invalid property: %s.", property)}
}
var res interface{}
var row *sql.Row
if collectionID != 0 {
row = db.QueryRow("SELECT "+selectQuery+" FROM posts WHERE slug = ? AND collection_id = ? LIMIT 1", id, collectionID)
} else {
row = db.QueryRow("SELECT "+selectQuery+" FROM posts WHERE id = ? LIMIT 1", id)
}
err := row.Scan(&res)
switch {
case err == sql.ErrNoRows:
return nil, impart.HTTPError{http.StatusNotFound, "Post not found."}
case err != nil:
log.Error("Failed selecting post: %v", err)
return nil, err
}
return res, nil
}
// GetPostsCount modifies the CollectionObj to include the correct number of
// standard (non-pinned) posts. It will return future posts if `includeFuture`
// is true.
func (db *datastore) GetPostsCount(c *CollectionObj, includeFuture bool) {
var count int64
timeCondition := ""
if !includeFuture {
timeCondition = "AND created <= NOW()"
}
err := db.QueryRow("SELECT COUNT(*) FROM posts WHERE collection_id = ? AND pinned_position IS NULL "+timeCondition, c.ID).Scan(&count)
switch {
case err == sql.ErrNoRows:
c.TotalPosts = 0
case err != nil:
log.Error("Failed selecting from collections: %v", err)
c.TotalPosts = 0
}
c.TotalPosts = int(count)
}
// GetPosts retrieves all standard (non-pinned) posts for the given Collection.
// It will return future posts if `includeFuture` is true.
// TODO: change includeFuture to isOwner, since that's how it's used
func (db *datastore) GetPosts(c *Collection, page int, includeFuture, forceRecentFirst bool) (*[]PublicPost, error) {
collID := c.ID
cf := c.NewFormat()
order := "DESC"
if cf.Ascending() && !forceRecentFirst {
order = "ASC"
}
pagePosts := cf.PostsPerPage()
start := page*pagePosts - pagePosts
if page == 0 {
start = 0
pagePosts = 1000
}
limitStr := ""
if page > 0 {
limitStr = fmt.Sprintf(" LIMIT %d, %d", start, pagePosts)
}
timeCondition := ""
if !includeFuture {
timeCondition = "AND created <= NOW()"
}
rows, err := db.Query("SELECT "+postCols+" FROM posts WHERE collection_id = ? AND pinned_position IS NULL "+timeCondition+" ORDER BY created "+order+limitStr, collID)
if err != nil {
log.Error("Failed selecting from posts: %v", err)
return nil, impart.HTTPError{http.StatusInternalServerError, "Couldn't retrieve collection posts."}
}
defer rows.Close()
// TODO: extract this common row scanning logic for queries using `postCols`
posts := []PublicPost{}
for rows.Next() {
p := &Post{}
err = rows.Scan(&p.ID, &p.Slug, &p.Font, &p.Language, &p.RTL, &p.Privacy, &p.OwnerID, &p.CollectionID, &p.PinnedPosition, &p.Created, &p.Updated, &p.ViewCount, &p.Title, &p.Content)
if err != nil {
log.Error("Failed scanning row: %v", err)
break
}
p.extractData()
p.formatContent(c, includeFuture)
posts = append(posts, p.processPost())
}
err = rows.Err()
if err != nil {
log.Error("Error after Next() on rows: %v", err)
}
return &posts, nil
}
// GetPostsTagged retrieves all posts on the given Collection that contain the
// given tag.
// It will return future posts if `includeFuture` is true.
// TODO: change includeFuture to isOwner, since that's how it's used
func (db *datastore) GetPostsTagged(c *Collection, tag string, page int, includeFuture bool) (*[]PublicPost, error) {
collID := c.ID
cf := c.NewFormat()
order := "DESC"
if cf.Ascending() {
order = "ASC"
}
pagePosts := cf.PostsPerPage()
start := page*pagePosts - pagePosts
if page == 0 {
start = 0
pagePosts = 1000
}
limitStr := ""
if page > 0 {
limitStr = fmt.Sprintf(" LIMIT %d, %d", start, pagePosts)
}
timeCondition := ""
if !includeFuture {
timeCondition = "AND created <= NOW()"
}
rows, err := db.Query("SELECT "+postCols+" FROM posts WHERE collection_id = ? AND LOWER(content) RLIKE ? "+timeCondition+" ORDER BY created "+order+limitStr, collID, "#"+strings.ToLower(tag)+"[[:>:]]")
if err != nil {
log.Error("Failed selecting from posts: %v", err)
return nil, impart.HTTPError{http.StatusInternalServerError, "Couldn't retrieve collection posts."}
}
defer rows.Close()
// TODO: extract this common row scanning logic for queries using `postCols`
posts := []PublicPost{}
for rows.Next() {
p := &Post{}
err = rows.Scan(&p.ID, &p.Slug, &p.Font, &p.Language, &p.RTL, &p.Privacy, &p.OwnerID, &p.CollectionID, &p.PinnedPosition, &p.Created, &p.Updated, &p.ViewCount, &p.Title, &p.Content)
if err != nil {
log.Error("Failed scanning row: %v", err)
break
}
p.extractData()
p.formatContent(c, includeFuture)
posts = append(posts, p.processPost())
}
err = rows.Err()
if err != nil {
log.Error("Error after Next() on rows: %v", err)
}
return &posts, nil
}
func (db *datastore) GetAPFollowers(c *Collection) (*[]RemoteUser, error) {
rows, err := db.Query("SELECT actor_id, inbox, shared_inbox FROM remotefollows f INNER JOIN remoteusers u ON f.remote_user_id = u.id WHERE collection_id = ?", c.ID)
if err != nil {
log.Error("Failed selecting from followers: %v", err)
return nil, impart.HTTPError{http.StatusInternalServerError, "Couldn't retrieve followers."}
}
defer rows.Close()
followers := []RemoteUser{}
for rows.Next() {
f := RemoteUser{}
err = rows.Scan(&f.ActorID, &f.Inbox, &f.SharedInbox)
followers = append(followers, f)
}
return &followers, nil
}
// CanCollect returns whether or not the given user can add the given post to a
// collection. This is true when a post is already owned by the user.
// NOTE: this is currently only used to potentially add owned posts to a
// collection. This has the SIDE EFFECT of also generating a slug for the post.
// FIXME: make this side effect more explicit (or extract it)
func (db *datastore) CanCollect(cpr *ClaimPostRequest, userID int64) bool {
var title, content string
var lang sql.NullString
err := db.QueryRow("SELECT title, content, language FROM posts WHERE id = ? AND owner_id = ?", cpr.ID, userID).Scan(&title, &content, &lang)
switch {
case err == sql.ErrNoRows:
return false
case err != nil:
log.Error("Failed on post CanCollect(%s, %d): %v", cpr.ID, userID, err)
return false
}
// Since we have the post content and the post is collectable, generate the
// post's slug now.
cpr.Slug = getSlugFromPost(title, content, lang.String)
return true
}
func (db *datastore) AttemptClaim(p *ClaimPostRequest, query string, params []interface{}, slugIdx int) (sql.Result, error) {
qRes, err := db.Exec(query, params...)
if err != nil {
if mysqlErr, ok := err.(*mysql.MySQLError); ok {
if mysqlErr.Number == mySQLErrDuplicateKey && slugIdx > -1 {
s := id.GenSafeUniqueSlug(p.Slug)
if s == p.Slug {
// Sanity check to prevent infinite recursion
return qRes, fmt.Errorf("GenSafeUniqueSlug generated nothing unique: %s", s)
}
p.Slug = s
params[slugIdx] = p.Slug
return db.AttemptClaim(p, query, params, slugIdx)
}
}
return qRes, fmt.Errorf("attemptClaim: %s", err)
}
return qRes, nil
}
func (db *datastore) DispersePosts(userID int64, postIDs []string) (*[]ClaimPostResult, error) {
postClaimReqs := map[string]bool{}
res := []ClaimPostResult{}
for i := range postIDs {
postID := postIDs[i]
r := ClaimPostResult{Code: 0, ErrorMessage: ""}
// Perform post validation
if postID == "" {
r.ErrorMessage = "Missing post ID. "
}
if _, ok := postClaimReqs[postID]; ok {
r.Code = 429
r.ErrorMessage = "You've already tried anonymizing this post."
r.ID = postID
res = append(res, r)
continue
}
postClaimReqs[postID] = true
var err error
// Get full post information to return
var fullPost *PublicPost
fullPost, err = db.GetPost(postID, 0)
if err != nil {
if err, ok := err.(impart.HTTPError); ok {
r.Code = err.Status
r.ErrorMessage = err.Message
r.ID = postID
res = append(res, r)
continue
} else {
log.Error("Error getting post in dispersePosts: %v", err)
}
}
if fullPost.OwnerID.Int64 != userID {
r.Code = http.StatusConflict
r.ErrorMessage = "Post is already owned by someone else."
r.ID = postID
res = append(res, r)
continue
}
var qRes sql.Result
var query string
var params []interface{}
// Do AND owner_id = ? for sanity.
// This should've been caught and returned with a good error message
// just above.
query = "UPDATE posts SET collection_id = NULL WHERE id = ? AND owner_id = ?"
params = []interface{}{postID, userID}
qRes, err = db.Exec(query, params...)
if err != nil {
r.Code = http.StatusInternalServerError
r.ErrorMessage = "A glitch happened on our end."
r.ID = postID
res = append(res, r)
log.Error("dispersePosts (post %s): %v", postID, err)
continue
}
// Post was successfully dispersed
r.Code = http.StatusOK
r.Post = fullPost
rowsAffected, _ := qRes.RowsAffected()
if rowsAffected == 0 {
// This was already claimed, but return 200
r.Code = http.StatusOK
}
res = append(res, r)
}
return &res, nil
}
func (db *datastore) ClaimPosts(userID int64, collAlias string, posts *[]ClaimPostRequest) (*[]ClaimPostResult, error) {
postClaimReqs := map[string]bool{}
res := []ClaimPostResult{}
postCollAlias := collAlias
for i := range *posts {
p := (*posts)[i]
if &p == nil {
continue
}
r := ClaimPostResult{Code: 0, ErrorMessage: ""}
// Perform post validation
if p.ID == "" {
r.ErrorMessage = "Missing post ID `id`. "
}
if _, ok := postClaimReqs[p.ID]; ok {
r.Code = 429
r.ErrorMessage = "You've already tried claiming this post."
r.ID = p.ID
res = append(res, r)
continue
}
postClaimReqs[p.ID] = true
canCollect := db.CanCollect(&p, userID)
if !canCollect && p.Token == "" {
// TODO: ensure post isn't owned by anyone else when a valid modify
// token is given.
r.ErrorMessage += "Missing post Edit Token `token`."
}
if r.ErrorMessage != "" {
// Post validate failed
r.Code = http.StatusBadRequest
r.ID = p.ID
res = append(res, r)
continue
}
var err error
var qRes sql.Result
var query string
var params []interface{}
var slugIdx int = -1
var coll *Collection
if collAlias == "" {
// Posts are being claimed at /posts/claim, not
// /collections/{alias}/collect, so use given individual collection
// to associate post with.
postCollAlias = p.CollectionAlias
}
if postCollAlias != "" {
// Associate this post with a collection
if p.CreateCollection {
// This is a new collection
// TODO: consider removing this. This seriously complicates this
// method and adds another (unnecessary?) logic path.
coll, err = db.CreateCollection(postCollAlias, "", userID)
if err != nil {
if err, ok := err.(impart.HTTPError); ok {
r.Code = err.Status
r.ErrorMessage = err.Message
} else {
r.Code = http.StatusInternalServerError
r.ErrorMessage = "Unknown error occurred creating collection"
}
r.ID = p.ID
res = append(res, r)
continue
}
} else {
// Attempt to add to existing collection
coll, err = db.GetCollection(postCollAlias)
if err != nil {
if err, ok := err.(impart.HTTPError); ok {
if err.Status == http.StatusNotFound {
// Show obfuscated "forbidden" response, as if attempting to add to an
// unowned blog.
r.Code = ErrForbiddenCollection.Status
r.ErrorMessage = ErrForbiddenCollection.Message
} else {
r.Code = err.Status
r.ErrorMessage = err.Message
}
} else {
r.Code = http.StatusInternalServerError
r.ErrorMessage = "Unknown error occurred claiming post with collection"
}
r.ID = p.ID
res = append(res, r)
continue
}
if coll.OwnerID != userID {
r.Code = ErrForbiddenCollection.Status
r.ErrorMessage = ErrForbiddenCollection.Message
r.ID = p.ID
res = append(res, r)
continue
}
}
if p.Slug == "" {
p.Slug = p.ID
}
if canCollect {
// User already owns this post, so just add it to the given
// collection.
query = "UPDATE posts SET collection_id = ?, slug = ? WHERE id = ? AND owner_id = ?"
params = []interface{}{coll.ID, p.Slug, p.ID, userID}
slugIdx = 1
} else {
query = "UPDATE posts SET owner_id = ?, collection_id = ?, slug = ? WHERE id = ? AND modify_token = ? AND owner_id IS NULL"
params = []interface{}{userID, coll.ID, p.Slug, p.ID, p.Token}
slugIdx = 2
}
} else {
query = "UPDATE posts SET owner_id = ? WHERE id = ? AND modify_token = ? AND owner_id IS NULL"
params = []interface{}{userID, p.ID, p.Token}
}
qRes, err = db.AttemptClaim(&p, query, params, slugIdx)
if err != nil {
r.Code = http.StatusInternalServerError
r.ErrorMessage = "An unknown error occurred."
r.ID = p.ID
res = append(res, r)
log.Error("claimPosts (post %s): %v", p.ID, err)
continue
}
// Get full post information to return
var fullPost *PublicPost
if p.Token != "" {
fullPost, err = db.GetEditablePost(p.ID, p.Token)
} else {
fullPost, err = db.GetPost(p.ID, 0)
}
if err != nil {
if err, ok := err.(impart.HTTPError); ok {
r.Code = err.Status
r.ErrorMessage = err.Message
r.ID = p.ID
res = append(res, r)
continue
}
}
if fullPost.OwnerID.Int64 != userID {
r.Code = http.StatusConflict
r.ErrorMessage = "Post is already owned by someone else."
r.ID = p.ID
res = append(res, r)
continue
}
// Post was successfully claimed
r.Code = http.StatusOK
r.Post = fullPost
if coll != nil {
r.Post.Collection = &CollectionObj{Collection: *coll}
}
rowsAffected, _ := qRes.RowsAffected()
if rowsAffected == 0 {
// This was already claimed, but return 200
r.Code = http.StatusOK
}
res = append(res, r)
}
return &res, nil
}
func (db *datastore) UpdatePostPinState(pinned bool, postID string, collID, ownerID, pos int64) error {
if pos <= 0 || pos > 20 {
pos = db.GetLastPinnedPostPos(collID) + 1
if pos == -1 {
pos = 1
}
}
var err error
if pinned {
_, err = db.Exec("UPDATE posts SET pinned_position = ? WHERE id = ?", pos, postID)
} else {
_, err = db.Exec("UPDATE posts SET pinned_position = NULL WHERE id = ?", postID)
}
if err != nil {
log.Error("Unable to update pinned post: %v", err)
return err
}
return nil
}
func (db *datastore) GetLastPinnedPostPos(collID int64) int64 {
var lastPos sql.NullInt64
err := db.QueryRow("SELECT MAX(pinned_position) FROM posts WHERE collection_id = ? AND pinned_position IS NOT NULL", collID).Scan(&lastPos)
switch {
case err == sql.ErrNoRows:
return -1
case err != nil:
log.Error("Failed selecting from posts: %v", err)
return -1
}
if !lastPos.Valid {
return -1
}
return lastPos.Int64
}
func (db *datastore) GetPinnedPosts(coll *CollectionObj) (*[]PublicPost, error) {
rows, err := db.Query("SELECT id, slug, title, LEFT(content, 80), pinned_position FROM posts WHERE collection_id = ? AND pinned_position IS NOT NULL ORDER BY pinned_position ASC", coll.ID)
if err != nil {
log.Error("Failed selecting pinned posts: %v", err)
return nil, impart.HTTPError{http.StatusInternalServerError, "Couldn't retrieve pinned posts."}
}
defer rows.Close()
posts := []PublicPost{}
for rows.Next() {
p := &Post{}
err = rows.Scan(&p.ID, &p.Slug, &p.Title, &p.Content, &p.PinnedPosition)
if err != nil {
log.Error("Failed scanning row: %v", err)
break
}
p.extractData()
pp := p.processPost()
pp.Collection = coll
posts = append(posts, pp)
}
return &posts, nil
}
func (db *datastore) GetCollections(u *User) (*[]Collection, error) {
rows, err := db.Query("SELECT id, alias, title, description, privacy, view_count FROM collections WHERE owner_id = ? ORDER BY id ASC", u.ID)
if err != nil {
log.Error("Failed selecting from collections: %v", err)
return nil, impart.HTTPError{http.StatusInternalServerError, "Couldn't retrieve user collections."}
}
defer rows.Close()
colls := []Collection{}
for rows.Next() {
c := Collection{}
err = rows.Scan(&c.ID, &c.Alias, &c.Title, &c.Description, &c.Visibility, &c.Views)
if err != nil {
log.Error("Failed scanning row: %v", err)
break
}
c.URL = c.CanonicalURL()
c.Public = c.IsPublic()
colls = append(colls, c)
}
err = rows.Err()
if err != nil {
log.Error("Error after Next() on rows: %v", err)
}
return &colls, nil
}
func (db *datastore) GetPublishableCollections(u *User) (*[]Collection, error) {
c, err := db.GetCollections(u)
if err != nil {
return nil, err
}
if len(*c) == 0 {
return nil, impart.HTTPError{http.StatusInternalServerError, "You don't seem to have any blogs; they might've moved to another account. Try logging out and logging into your other account."}
}
return c, nil
}
func (db *datastore) GetMeStats(u *User) userMeStats {
s := userMeStats{}
// User counts
colls, _ := db.GetUserCollectionCount(u.ID)
s.TotalCollections = colls
var articles, collPosts uint64
err := db.QueryRow("SELECT COUNT(*) FROM posts WHERE owner_id = ? AND collection_id IS NULL", u.ID).Scan(&articles)
if err != nil && err != sql.ErrNoRows {
log.Error("Couldn't get articles count for user %d: %v", u.ID, err)
}
s.TotalArticles = articles
err = db.QueryRow("SELECT COUNT(*) FROM posts WHERE owner_id = ? AND collection_id IS NOT NULL", u.ID).Scan(&collPosts)
if err != nil && err != sql.ErrNoRows {
log.Error("Couldn't get coll posts count for user %d: %v", u.ID, err)
}
s.CollectionPosts = collPosts
return s
}
+func (db *datastore) GetTotalCollections() (collCount int64, err error) {
+ err = db.QueryRow(`SELECT COUNT(*) FROM collections`).Scan(&collCount)
+ if err != nil {
+ log.Error("Unable to fetch collections count: %v", err)
+ }
+ return
+}
+
+func (db *datastore) GetTotalPosts() (postCount int64, err error) {
+ err = db.QueryRow(`SELECT COUNT(*) FROM posts`).Scan(&postCount)
+ if err != nil {
+ log.Error("Unable to fetch posts count: %v", err)
+ }
+ return
+}
+
func (db *datastore) GetTopPosts(u *User, alias string) (*[]PublicPost, error) {
params := []interface{}{u.ID}
where := ""
if alias != "" {
where = " AND alias = ?"
params = append(params, alias)
}
rows, err := db.Query("SELECT p.id, p.slug, p.view_count, p.title, c.alias, c.title, c.description, c.view_count FROM posts p LEFT JOIN collections c ON p.collection_id = c.id WHERE p.owner_id = ?"+where+" ORDER BY p.view_count DESC, created DESC LIMIT 25", params...)
if err != nil {
log.Error("Failed selecting from posts: %v", err)
return nil, impart.HTTPError{http.StatusInternalServerError, "Couldn't retrieve user top posts."}
}
defer rows.Close()
posts := []PublicPost{}
var gotErr bool
for rows.Next() {
p := Post{}
c := Collection{}
var alias, title, description sql.NullString
var views sql.NullInt64
err = rows.Scan(&p.ID, &p.Slug, &p.ViewCount, &p.Title, &alias, &title, &description, &views)
if err != nil {
log.Error("Failed scanning User.getPosts() row: %v", err)
gotErr = true
break
}
p.extractData()
pubPost := p.processPost()
if alias.Valid && alias.String != "" {
c.Alias = alias.String
c.Title = title.String
c.Description = description.String
c.Views = views.Int64
pubPost.Collection = &CollectionObj{Collection: c}
}
posts = append(posts, pubPost)
}
err = rows.Err()
if err != nil {
log.Error("Error after Next() on rows: %v", err)
}
if gotErr && len(posts) == 0 {
// There were a lot of errors
return nil, impart.HTTPError{http.StatusInternalServerError, "Unable to get data."}
}
return &posts, nil
}
func (db *datastore) GetAnonymousPosts(u *User) (*[]PublicPost, error) {
rows, err := db.Query("SELECT id, view_count, title, created, updated, content FROM posts WHERE owner_id = ? AND collection_id IS NULL ORDER BY created DESC", u.ID)
if err != nil {
log.Error("Failed selecting from posts: %v", err)
return nil, impart.HTTPError{http.StatusInternalServerError, "Couldn't retrieve user anonymous posts."}
}
defer rows.Close()
posts := []PublicPost{}
for rows.Next() {
p := Post{}
err = rows.Scan(&p.ID, &p.ViewCount, &p.Title, &p.Created, &p.Updated, &p.Content)
if err != nil {
log.Error("Failed scanning row: %v", err)
break
}
p.extractData()
posts = append(posts, p.processPost())
}
err = rows.Err()
if err != nil {
log.Error("Error after Next() on rows: %v", err)
}
return &posts, nil
}
func (db *datastore) GetUserPosts(u *User) (*[]PublicPost, error) {
rows, err := db.Query("SELECT p.id, p.slug, p.view_count, p.title, p.created, p.updated, p.content, p.text_appearance, p.language, p.rtl, c.alias, c.title, c.description, c.view_count FROM posts p LEFT JOIN collections c ON collection_id = c.id WHERE p.owner_id = ? ORDER BY created ASC", u.ID)
if err != nil {
log.Error("Failed selecting from posts: %v", err)
return nil, impart.HTTPError{http.StatusInternalServerError, "Couldn't retrieve user posts."}
}
defer rows.Close()
posts := []PublicPost{}
var gotErr bool
for rows.Next() {
p := Post{}
c := Collection{}
var alias, title, description sql.NullString
var views sql.NullInt64
err = rows.Scan(&p.ID, &p.Slug, &p.ViewCount, &p.Title, &p.Created, &p.Updated, &p.Content, &p.Font, &p.Language, &p.RTL, &alias, &title, &description, &views)
if err != nil {
log.Error("Failed scanning User.getPosts() row: %v", err)
gotErr = true
break
}
p.extractData()
pubPost := p.processPost()
if alias.Valid && alias.String != "" {
c.Alias = alias.String
c.Title = title.String
c.Description = description.String
c.Views = views.Int64
pubPost.Collection = &CollectionObj{Collection: c}
}
posts = append(posts, pubPost)
}
err = rows.Err()
if err != nil {
log.Error("Error after Next() on rows: %v", err)
}
if gotErr && len(posts) == 0 {
// There were a lot of errors
return nil, impart.HTTPError{http.StatusInternalServerError, "Unable to get data."}
}
return &posts, nil
}
// ChangeSettings takes a User and applies the changes in the given
// userSettings, MODIFYING THE USER with successful changes.
func (db *datastore) ChangeSettings(app *app, u *User, s *userSettings) error {
var errPass error
q := query.NewUpdate()
// Update email if given
if s.Email != "" {
encEmail, err := data.Encrypt(app.keys.emailKey, s.Email)
if err != nil {
log.Error("Couldn't encrypt email %s: %s\n", s.Email, err)
return impart.HTTPError{http.StatusInternalServerError, "Unable to encrypt email address."}
}
q.SetBytes(encEmail, "email")
// Update the email if something goes awry updating the password
defer func() {
if errPass != nil {
db.UpdateEncryptedUserEmail(u.ID, encEmail)
}
}()
u.Email = zero.StringFrom(s.Email)
}
// Update username if given
var newUsername string
if s.Username != "" {
var ie *impart.HTTPError
newUsername, ie = getValidUsername(app, s.Username, u.Username)
if ie != nil {
// Username is invalid
return *ie
}
if !author.IsValidUsername(app.cfg, newUsername) {
// Ensure the username is syntactically correct.
return impart.HTTPError{http.StatusPreconditionFailed, "Username isn't valid."}
}
t, err := db.Begin()
if err != nil {
log.Error("Couldn't start username change transaction: %v", err)
return err
}
_, err = t.Exec("UPDATE users SET username = ? WHERE id = ?", newUsername, u.ID)
if err != nil {
t.Rollback()
if mysqlErr, ok := err.(*mysql.MySQLError); ok {
if mysqlErr.Number == mySQLErrDuplicateKey {
return impart.HTTPError{http.StatusConflict, "Username is already taken."}
}
}
log.Error("Unable to update users table: %v", err)
return ErrInternalGeneral
}
_, err = t.Exec("UPDATE collections SET alias = ? WHERE alias = ? AND owner_id = ?", newUsername, u.Username, u.ID)
if err != nil {
t.Rollback()
if mysqlErr, ok := err.(*mysql.MySQLError); ok {
if mysqlErr.Number == mySQLErrDuplicateKey {
return impart.HTTPError{http.StatusConflict, "Username is already taken."}
}
}
log.Error("Unable to update collection: %v", err)
return ErrInternalGeneral
}
// Keep track of name changes for redirection
db.RemoveCollectionRedirect(t, newUsername)
_, err = t.Exec("UPDATE collectionredirects SET new_alias = ? WHERE new_alias = ?", newUsername, u.Username)
if err != nil {
log.Error("Unable to update collectionredirects: %v", err)
}
_, err = t.Exec("INSERT INTO collectionredirects (prev_alias, new_alias) VALUES (?, ?)", u.Username, newUsername)
if err != nil {
log.Error("Unable to add new collectionredirect: %v", err)
}
err = t.Commit()
if err != nil {
t.Rollback()
log.Error("Rolling back after Commit(): %v\n", err)
return err
}
u.Username = newUsername
}
// Update passphrase if given
if s.NewPass != "" {
// Check if user has already set a password
var err error
u.HasPass, err = db.IsUserPassSet(u.ID)
if err != nil {
errPass = impart.HTTPError{http.StatusInternalServerError, "Unable to retrieve user data."}
return errPass
}
if u.HasPass {
// Check if currently-set password is correct
hashedPass := u.HashedPass
if len(hashedPass) == 0 {
authUser, err := db.GetUserForAuthByID(u.ID)
if err != nil {
errPass = err
return errPass
}
hashedPass = authUser.HashedPass
}
if !auth.Authenticated(hashedPass, []byte(s.OldPass)) {
errPass = impart.HTTPError{http.StatusUnauthorized, "Incorrect password."}
return errPass
}
}
hashedPass, err := auth.HashPass([]byte(s.NewPass))
if err != nil {
errPass = impart.HTTPError{http.StatusInternalServerError, "Could not create password hash."}
return errPass
}
q.SetBytes(hashedPass, "password")
}
// WHERE values
q.Append(u.ID)
if q.Updates == "" {
if s.Username == "" {
return ErrPostNoUpdatableVals
}
// Nothing to update except username. That was successful, so return now.
return nil
}
res, err := db.Exec("UPDATE users SET "+q.Updates+" WHERE id = ?", q.Params...)
if err != nil {
log.Error("Unable to update collection: %v", err)
return err
}
rowsAffected, _ := res.RowsAffected()
if rowsAffected == 0 {
// Show the correct error message if nothing was updated
var dummy int
err := db.QueryRow("SELECT 1 FROM users WHERE id = ?", u.ID).Scan(&dummy)
switch {
case err == sql.ErrNoRows:
return ErrUnauthorizedGeneral
case err != nil:
log.Error("Failed selecting from users: %v", err)
}
return nil
}
if s.NewPass != "" && !u.HasPass {
u.HasPass = true
}
return nil
}
func (db *datastore) ChangePassphrase(userID int64, sudo bool, curPass string, hashedPass []byte) error {
var dbPass []byte
err := db.QueryRow("SELECT password FROM users WHERE id = ?", userID).Scan(&dbPass)
switch {
case err == sql.ErrNoRows:
return ErrUserNotFound
case err != nil:
log.Error("Couldn't SELECT user password for change: %v", err)
return err
}
if !sudo && !auth.Authenticated(dbPass, []byte(curPass)) {
return impart.HTTPError{http.StatusUnauthorized, "Incorrect password."}
}
_, err = db.Exec("UPDATE users SET password = ? WHERE id = ?", hashedPass, userID)
if err != nil {
log.Error("Could not update passphrase: %v", err)
return err
}
return nil
}
func (db *datastore) RemoveCollectionRedirect(t *sql.Tx, alias string) error {
_, err := t.Exec("DELETE FROM collectionredirects WHERE prev_alias = ?", alias)
if err != nil {
log.Error("Unable to delete from collectionredirects: %v", err)
return err
}
return nil
}
func (db *datastore) GetCollectionRedirect(alias string) (new string) {
row := db.QueryRow("SELECT new_alias FROM collectionredirects WHERE prev_alias = ?", alias)
err := row.Scan(&new)
if err != nil && err != sql.ErrNoRows {
log.Error("Failed selecting from collectionredirects: %v", err)
}
return
}
func (db *datastore) DeleteCollection(alias string, userID int64) error {
c := &Collection{Alias: alias}
var username string
row := db.QueryRow("SELECT username FROM users WHERE id = ?", userID)
err := row.Scan(&username)
if err != nil {
return err
}
// Ensure user isn't deleting their main blog
if alias == username {
return impart.HTTPError{http.StatusForbidden, "You cannot currently delete your primary blog."}
}
row = db.QueryRow("SELECT id FROM collections WHERE alias = ? AND owner_id = ?", alias, userID)
err = row.Scan(&c.ID)
switch {
case err == sql.ErrNoRows:
return impart.HTTPError{http.StatusNotFound, "Collection doesn't exist or you're not allowed to delete it."}
case err != nil:
log.Error("Failed selecting from collections: %v", err)
return ErrInternalGeneral
}
t, err := db.Begin()
if err != nil {
return err
}
// Float all collection's posts
_, err = t.Exec("UPDATE posts SET collection_id = NULL WHERE collection_id = ? AND owner_id = ?", c.ID, userID)
if err != nil {
t.Rollback()
return err
}
// Remove redirects to or from this collection
_, err = t.Exec("DELETE FROM collectionredirects WHERE prev_alias = ? OR new_alias = ?", alias, alias)
if err != nil {
t.Rollback()
return err
}
// Remove any optional collection password
_, err = t.Exec("DELETE FROM collectionpasswords WHERE collection_id = ?", c.ID)
if err != nil {
t.Rollback()
return err
}
// Finally, delete collection itself
_, err = t.Exec("DELETE FROM collections WHERE id = ?", c.ID)
if err != nil {
t.Rollback()
return err
}
err = t.Commit()
if err != nil {
t.Rollback()
return err
}
return nil
}
func (db *datastore) IsCollectionAttributeOn(id int64, attr string) bool {
var v string
err := db.QueryRow("SELECT value FROM collectionattributes WHERE collection_id = ? AND attribute = ?", id, attr).Scan(&v)
switch {
case err == sql.ErrNoRows:
return false
case err != nil:
log.Error("Couldn't SELECT value in isCollectionAttributeOn for attribute '%s': %v", attr, err)
return false
}
return v == "1"
}
func (db *datastore) CollectionHasAttribute(id int64, attr string) bool {
var dummy string
err := db.QueryRow("SELECT value FROM collectionattributes WHERE collection_id = ? AND attribute = ?", id, attr).Scan(&dummy)
switch {
case err == sql.ErrNoRows:
return false
case err != nil:
log.Error("Couldn't SELECT value in collectionHasAttribute for attribute '%s': %v", attr, err)
return false
}
return true
}
func (db *datastore) DeleteAccount(userID int64) (l *string, err error) {
debug := ""
l = &debug
t, err := db.Begin()
if err != nil {
stringLogln(l, "Unable to begin: %v", err)
return
}
// Get all collections
rows, err := db.Query("SELECT id, alias FROM collections WHERE owner_id = ?", userID)
if err != nil {
t.Rollback()
stringLogln(l, "Unable to get collections: %v", err)
return
}
defer rows.Close()
colls := []Collection{}
var c Collection
for rows.Next() {
err = rows.Scan(&c.ID, &c.Alias)
if err != nil {
t.Rollback()
stringLogln(l, "Unable to scan collection cols: %v", err)
return
}
colls = append(colls, c)
}
var res sql.Result
for _, c := range colls {
// TODO: user deleteCollection() func
// Delete tokens
res, err = t.Exec("DELETE FROM collectionattributes WHERE collection_id = ?", c.ID)
if err != nil {
t.Rollback()
stringLogln(l, "Unable to delete attributes on %s: %v", c.Alias, err)
return
}
rs, _ := res.RowsAffected()
stringLogln(l, "Deleted %d for %s from collectionattributes", rs, c.Alias)
// Remove any optional collection password
res, err = t.Exec("DELETE FROM collectionpasswords WHERE collection_id = ?", c.ID)
if err != nil {
t.Rollback()
stringLogln(l, "Unable to delete passwords on %s: %v", c.Alias, err)
return
}
rs, _ = res.RowsAffected()
stringLogln(l, "Deleted %d for %s from collectionpasswords", rs, c.Alias)
// Remove redirects to this collection
res, err = t.Exec("DELETE FROM collectionredirects WHERE new_alias = ?", c.Alias)
if err != nil {
t.Rollback()
stringLogln(l, "Unable to delete redirects on %s: %v", c.Alias, err)
return
}
rs, _ = res.RowsAffected()
stringLogln(l, "Deleted %d for %s from collectionredirects", rs, c.Alias)
}
// Delete collections
res, err = t.Exec("DELETE FROM collections WHERE owner_id = ?", userID)
if err != nil {
t.Rollback()
stringLogln(l, "Unable to delete collections: %v", err)
return
}
rs, _ := res.RowsAffected()
stringLogln(l, "Deleted %d from collections", rs)
// Delete tokens
res, err = t.Exec("DELETE FROM accesstokens WHERE user_id = ?", userID)
if err != nil {
t.Rollback()
stringLogln(l, "Unable to delete access tokens: %v", err)
return
}
rs, _ = res.RowsAffected()
stringLogln(l, "Deleted %d from accesstokens", rs)
// Delete posts
res, err = t.Exec("DELETE FROM posts WHERE owner_id = ?", userID)
if err != nil {
t.Rollback()
stringLogln(l, "Unable to delete posts: %v", err)
return
}
rs, _ = res.RowsAffected()
stringLogln(l, "Deleted %d from posts", rs)
res, err = t.Exec("DELETE FROM userattributes WHERE user_id = ?", userID)
if err != nil {
t.Rollback()
stringLogln(l, "Unable to delete attributes: %v", err)
return
}
rs, _ = res.RowsAffected()
stringLogln(l, "Deleted %d from userattributes", rs)
res, err = t.Exec("DELETE FROM users WHERE id = ?", userID)
if err != nil {
t.Rollback()
stringLogln(l, "Unable to delete user: %v", err)
return
}
rs, _ = res.RowsAffected()
stringLogln(l, "Deleted %d from users", rs)
err = t.Commit()
if err != nil {
t.Rollback()
stringLogln(l, "Unable to commit: %v", err)
return
}
return
}
func (db *datastore) GetAPActorKeys(collectionID int64) ([]byte, []byte) {
var pub, priv []byte
err := db.QueryRow("SELECT public_key, private_key FROM collectionkeys WHERE collection_id = ?", collectionID).Scan(&pub, &priv)
switch {
case err == sql.ErrNoRows:
// Generate keys
pub, priv = activitypub.GenerateKeys()
_, err = db.Exec("INSERT INTO collectionkeys (collection_id, public_key, private_key) VALUES (?, ?, ?)", collectionID, pub, priv)
if err != nil {
log.Error("Unable to INSERT new activitypub keypair: %v", err)
return nil, nil
}
case err != nil:
log.Error("Couldn't SELECT collectionkeys: %v", err)
return nil, nil
}
return pub, priv
}
func (db *datastore) GetDynamicContent(id string) (string, *time.Time, error) {
var c string
var u *time.Time
err := db.QueryRow("SELECT content, updated FROM appcontent WHERE id = ?", id).Scan(&c, &u)
switch {
case err == sql.ErrNoRows:
return "", nil, nil
case err != nil:
log.Error("Couldn't SELECT FROM appcontent for id '%s': %v", id, err)
return "", nil, err
}
return c, u, nil
}
func (db *datastore) UpdateDynamicContent(id, content string) error {
_, err := db.Exec("INSERT INTO appcontent (id, content, updated) VALUES (?, ?, NOW()) ON DUPLICATE KEY UPDATE content = ?, updated = NOW()", id, content, content)
if err != nil {
log.Error("Unable to INSERT appcontent for '%s': %v", id, err)
}
return err
}
func stringLogln(log *string, s string, v ...interface{}) {
*log += fmt.Sprintf(s+"\n", v...)
}
func handleFailedPostInsert(err error) error {
log.Error("Couldn't insert into posts: %v", err)
return err
}
diff --git a/instance.go b/instance.go
new file mode 100644
index 0000000..482e65d
--- /dev/null
+++ b/instance.go
@@ -0,0 +1,6 @@
+package writefreely
+
+type InstanceStats struct {
+ NumPosts int64
+ NumBlogs int64
+}
diff --git a/nodeinfo.go b/nodeinfo.go
index fd4b445..eab15cc 100644
--- a/nodeinfo.go
+++ b/nodeinfo.go
@@ -1,97 +1,99 @@
package writefreely
import (
"github.com/writeas/go-nodeinfo"
"github.com/writeas/web-core/log"
"github.com/writeas/writefreely/config"
"strings"
)
type nodeInfoResolver struct {
cfg *config.Config
db *datastore
}
func nodeInfoConfig(db *datastore, cfg *config.Config) *nodeinfo.Config {
name := cfg.App.SiteName
desc := "Minimal, federated blogging platform."
if cfg.App.SingleUser {
// Fetch blog information, instead
coll, err := db.GetCollectionByID(1)
if err == nil {
desc = coll.Description
}
}
return &nodeinfo.Config{
BaseURL: cfg.App.Host,
InfoURL: "/api/nodeinfo",
Metadata: nodeinfo.Metadata{
NodeName: name,
NodeDescription: desc,
Private: cfg.App.Private,
Software: nodeinfo.SoftwareMeta{
HomePage: softwareURL,
GitHub: "https://github.com/writeas/writefreely",
Follow: "https://writing.exchange/@write_as",
},
},
Protocols: []nodeinfo.NodeProtocol{
nodeinfo.ProtocolActivityPub,
},
Services: nodeinfo.Services{
Inbound: []nodeinfo.NodeService{},
Outbound: []nodeinfo.NodeService{
nodeinfo.ServiceRSS,
},
},
Software: nodeinfo.SoftwareInfo{
Name: strings.ToLower(serverSoftware),
Version: softwareVer,
},
}
}
func (r nodeInfoResolver) IsOpenRegistration() (bool, error) {
return r.cfg.App.OpenRegistration, nil
}
func (r nodeInfoResolver) Usage() (nodeinfo.Usage, error) {
- var collCount, postCount, activeHalfYear, activeMonth int
- err := r.db.QueryRow(`SELECT COUNT(*) FROM collections`).Scan(&collCount)
+ var collCount, postCount int64
+ var activeHalfYear, activeMonth int
+ var err error
+ collCount, err = r.db.GetTotalCollections()
if err != nil {
collCount = 0
}
- err = r.db.QueryRow(`SELECT COUNT(*) FROM posts`).Scan(&postCount)
+ postCount, err = r.db.GetTotalPosts()
if err != nil {
log.Error("Unable to fetch post counts: %v", err)
}
if r.cfg.App.PublicStats {
// Display bi-yearly / monthly stats
err = r.db.QueryRow(`SELECT COUNT(*) FROM (
SELECT DISTINCT collection_id
FROM posts
INNER JOIN collections c
ON collection_id = c.id
WHERE collection_id IS NOT NULL
AND updated > DATE_SUB(NOW(), INTERVAL 6 MONTH)) co`).Scan(&activeHalfYear)
err = r.db.QueryRow(`SELECT COUNT(*) FROM (
SELECT DISTINCT collection_id
FROM posts
INNER JOIN FROM collections c
ON collection_id = c.id
WHERE collection_id IS NOT NULL
AND updated > DATE_SUB(NOW(), INTERVAL 1 MONTH)) co`).Scan(&activeMonth)
}
return nodeinfo.Usage{
Users: nodeinfo.UsageUsers{
- Total: collCount,
+ Total: int(collCount),
ActiveHalfYear: activeHalfYear,
ActiveMonth: activeMonth,
},
- LocalPosts: postCount,
+ LocalPosts: int(postCount),
}, nil
}
diff --git a/pages/about.tmpl b/pages/about.tmpl
index a47faf6..71a6223 100644
--- a/pages/about.tmpl
+++ b/pages/about.tmpl
@@ -1,21 +1,26 @@
{{define "head"}}<title>About {{.SiteName}}</title>
{{end}}
{{define "content"}}
<div class="content-container snug">
<h1>About {{.SiteName}}</h1>
{{.Content}}
+ {{if .Federation}}
+ <hr style="margin:1.5em 0;" />
+ <p><em>{{.SiteName}}</em> is home to <strong>{{largeNumFmt .AboutStats.NumPosts}}</strong> {{pluralize "article" "articles" .AboutStats.NumPosts}} across <strong>{{largeNumFmt .AboutStats.NumBlogs}}</strong> {{pluralize "blog" "blogs" .AboutStats.NumBlogs}}.</p>
+ {{end}}
+
<h2 style="margin-top:2em">About WriteFreely</h2>
<p><a href="https://writefreely.org">WriteFreely</a> is a self-hosted, decentralized blogging platform for publishing beautiful, simple blogs.</p>
<p>It lets you publish a single blog, or host a community of writers who can create multiple blogs under one account. You can also enable federation, which allows people in the fediverse to follow your blog, bookmark your posts, and share them with others.</p>
<div class="clearfix blurbs" style="font-size: 1.3em;text-align:center">
<div class="half big">
<p><a href="https://writefreely.org/start">Start an instance</a></p>
</div>
<div class="half big">
<p><a href="https://writefreely.org">WriteFreely</a></p>
</div>
</div>
</div>
{{end}}

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