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	diff --git a/account.go b/account.go
	index 423dee2..7788763 100644
	--- a/account.go
	+++ b/account.go
	@@ -1,1538 +1,1548 @@
	/*
	* Copyright © 2018-2021 Musing Studio 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"
	"github.com/mailgun/mailgun-go"
	"github.com/writefreely/writefreely/spam"
	"html/template"
	"net/http"
	"regexp"
	"strconv"
	"strings"
	"sync"
	"time"

	"github.com/gorilla/csrf"
	"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/writefreely/writefreely/author"
	"github.com/writefreely/writefreely/config"
	"github.com/writefreely/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
	CollAlias string
	}
	)

	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) {
	if app.cfg.App.DisablePasswordAuth {
	err := ErrDisabledPasswordAuth
	return nil, err
	}

	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)

	// 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
	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: true,
	Email: prepareUserEmail(signup.Email, app.keys.EmailKey),
	Created: time.Now().Truncate(time.Second).UTC(),
	}

	// Create actual user
	if err := app.db.CreateUser(app.cfg, u, desiredUsername, signup.Description); err != nil {
	return nil, err
	}

	// Log invite if needed
	if signup.InviteCode != "" {
	err = app.db.CreateInvitedUser(signup.InviteCode, u.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,
	}
	title := signup.Alias
	if signup.Normalize {
	title = desiredUsername
	}
	resUser.Collections = &[]Collection{
	{
	Alias: signup.Alias,
	Title: title,
	Description: signup.Description,
	},
	}

	var coll *Collection
	if signup.Monetization != "" {
	if coll == nil {
	coll, err = app.db.GetCollection(signup.Alias)
	if err != nil {
	log.Error("Unable to get new collection '%s' for monetization on signup: %v", signup.Alias, err)
	return nil, err
	}
	}
	err = app.db.SetCollectionAttribute(coll.ID, "monetization_pointer", signup.Monetization)
	if err != nil {
	log.Error("Unable to add monetization on signup: %v", err)
	return nil, err
	}
	coll.Monetization = signup.Monetization
	}

	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
	*OAuthButtons
	To string
	Message template.HTML
	Flashes []template.HTML
	EmailEnabled bool
	LoginUsername string
	}{
	StaticPage: pageForReq(app, r),
	OAuthButtons: NewOAuthButtons(app.Config()),
	To: r.FormValue("to"),
	Message: template.HTML(""),
	Flashes: []template.HTML{},
	EmailEnabled: app.cfg.Email.Enabled(),
	LoginUsername: 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)
	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

	if app.cfg.App.DisablePasswordAuth {
	err := ErrDisabledPasswordAuth
	return err
	}

	// 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 into %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 len(u.HashedPass) == 0 {
	return impart.HTTPError{http.StatusUnauthorized, "This user never set a password. Perhaps try logging in via OAuth?"}
	}
	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 message
	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)
	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(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)
	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)
	if !reqJSON {
	return ErrBadRequestedType
	}

	isAnonPosts := r.FormValue("anonymous") == "1"
	if isAnonPosts {
	pageStr := r.FormValue("page")
	pg, err := strconv.Atoi(pageStr)
	if err != nil {
	log.Error("Error parsing page parameter '%s': %s", pageStr, err)
	pg = 1
	}

	p, err := app.db.GetAnonymousPosts(u, pg)
	if err != nil {
	return err
	}
	return impart.WriteSuccess(w, p, http.StatusOK)
	}

	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)
	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, 1)
	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)
	}

	silenced, err := app.db.IsUserSilenced(u.ID)
	if err != nil {
	if err == ErrUserNotFound {
	return err
	}
	log.Error("view articles: %v", err)
	}
	d := struct {
	*UserPage
	AnonymousPosts *[]PublicPost
	Collections *[]Collection
	Silenced bool
	}{
	UserPage: NewUserPage(app, r, u, u.Username+"'s Posts", f),
	AnonymousPosts: p,
	Collections: c,
	Silenced: silenced,
	}
	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

	silenced, err := app.db.IsUserSilenced(u.ID)
	if err != nil {
	if err == ErrUserNotFound {
	return err
	}
	log.Error("view collections: %v", err)
	return fmt.Errorf("view collections: %v", err)
	}
	d := struct {
	*UserPage
	Collections *[]Collection

	UsedCollections, TotalCollections int

	NewBlogsDisabled bool
	Silenced bool
	}{
	UserPage: NewUserPage(app, r, u, u.Username+"'s Blogs", f),
	Collections: c,
	UsedCollections: int(uc),
	NewBlogsDisabled: !app.cfg.App.CanCreateBlogs(uc),
	Silenced: silenced,
	}
	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
	}

	silenced, err := app.db.IsUserSilenced(u.ID)
	if err != nil {
	if err == ErrUserNotFound {
	return err
	}
	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
	Silenced bool

	config.EmailCfg
	LetterReplyTo string
	}{
	UserPage: NewUserPage(app, r, u, "Edit "+c.DisplayTitle(), flashes),
	Collection: c,
	Silenced: silenced,
	EmailCfg: app.cfg.Email,
	}
	obj.UserPage.CollAlias = c.Alias
	if obj.EmailCfg.Enabled() {
	obj.LetterReplyTo = app.db.GetCollectionAttribute(c.ID, collAttrLetterReplyTo)
	}

	showUserPage(w, "collection", obj)
	return nil
	}

	func updateSettings(app App, w http.ResponseWriter, r http.Request) error {
	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
	}
	c.hostName = app.cfg.App.Host
	}

	topPosts, err := app.db.GetTopPosts(u, alias, c.hostName)
	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() + " "
	}

	silenced, err := app.db.IsUserSilenced(u.ID)
	if err != nil {
	if err == ErrUserNotFound {
	return err
	}
	log.Error("view stats: %v", err)
	return err
	}
	obj := struct {
	*UserPage
	VisitsBlog string
	Collection *Collection
	TopPosts *[]PublicPost
	APFollowers int
	EmailEnabled bool
	EmailSubscribers int
	Silenced bool
	}{
	UserPage: NewUserPage(app, r, u, titleStats+"Stats", flashes),
	VisitsBlog: alias,
	Collection: c,
	TopPosts: topPosts,
	EmailEnabled: app.cfg.Email.Enabled(),
	Silenced: silenced,
	}
	obj.UserPage.CollAlias = c.Alias
	if app.cfg.App.Federation {
	folls, err := app.db.GetAPFollowers(c)
	if err != nil {
	return err
	}
	obj.APFollowers = len(*folls)
	}
	if obj.EmailEnabled {
	subs, err := app.db.GetEmailSubscribers(c.ID, true)
	if err != nil {
	return err
	}
	obj.EmailSubscribers = len(subs)
	}

	showUserPage(w, "stats", obj)
	return nil
	}

	func handleViewSubscribers(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
	}

	filter := r.FormValue("filter")

	flashes, _ := getSessionFlashes(app, w, r, nil)
	obj := struct {
	*UserPage
	Collection CollectionNav
	EmailSubs []*EmailSubscriber
	Followers *[]RemoteUser
	Silenced bool

	Filter string
	FederationEnabled bool
	CanEmailSub bool
	CanAddSubs bool
	EmailSubsEnabled bool
	}{
	UserPage: NewUserPage(app, r, u, c.DisplayTitle()+" Subscribers", flashes),
	Collection: CollectionNav{
	Collection: c,
	Path: r.URL.Path,
	SingleUser: app.cfg.App.SingleUser,
	},
	Silenced: u.IsSilenced(),
	Filter: filter,
	FederationEnabled: app.cfg.App.Federation,
	CanEmailSub: app.cfg.Email.Enabled(),
	EmailSubsEnabled: c.EmailSubsEnabled(),
	}

	obj.Followers, err = app.db.GetAPFollowers(c)
	if err != nil {
	return err
	}

	obj.EmailSubs, err = app.db.GetEmailSubscribers(c.ID, true)
	if err != nil {
	return err
	}

	if obj.Filter == "" {
	// Set permission to add email subscribers
	//obj.CanAddSubs = app.db.GetUserAttribute(c.OwnerID, userAttrCanAddEmailSubs) == "1"
	}

	showUserPage(w, "subscribers", 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 {
	if err == ErrUserNotFound {
	return err
	}
	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)

	enableOauthSlack := app.Config().SlackOauth.ClientID != ""
	enableOauthWriteAs := app.Config().WriteAsOauth.ClientID != ""
	enableOauthGitLab := app.Config().GitlabOauth.ClientID != ""
	enableOauthGeneric := app.Config().GenericOauth.ClientID != ""
	enableOauthGitea := app.Config().GiteaOauth.ClientID != ""

	oauthAccounts, err := app.db.GetOauthAccounts(r.Context(), u.ID)
	if err != nil {
	log.Error("Unable to get oauth accounts for settings: %s", err)
	return impart.HTTPError{http.StatusInternalServerError, "Unable to retrieve user data. The humans have been alerted."}
	}
	for idx, oauthAccount := range oauthAccounts {
	switch oauthAccount.Provider {
	case "slack":
	enableOauthSlack = false
	case "write.as":
	enableOauthWriteAs = false
	case "gitlab":
	enableOauthGitLab = false
	case "generic":
	oauthAccounts[idx].DisplayName = app.Config().GenericOauth.DisplayName
	oauthAccounts[idx].AllowDisconnect = app.Config().GenericOauth.AllowDisconnect
	enableOauthGeneric = false
	case "gitea":
	enableOauthGitea = false
	}
	}

	displayOauthSection := enableOauthSlack \|\| enableOauthWriteAs \|\| enableOauthGitLab \|\| enableOauthGeneric \|\| enableOauthGitea \|\| len(oauthAccounts) > 0

	obj := struct {
	*UserPage
	Email string
	HasPass bool
	IsLogOut bool
	Silenced bool
	CSRFField template.HTML
	OauthSection bool
	OauthAccounts []oauthAccountInfo
	OauthSlack bool
	OauthWriteAs bool
	OauthGitLab bool
	GitLabDisplayName string
	OauthGeneric bool
	OauthGenericDisplayName string
	OauthGitea bool
	GiteaDisplayName string
	}{
	UserPage: NewUserPage(app, r, u, "Account Settings", flashes),
	Email: fullUser.EmailClear(app.keys),
	HasPass: passIsSet,
	IsLogOut: r.FormValue("logout") == "1",
	Silenced: fullUser.IsSilenced(),
	CSRFField: csrf.TemplateField(r),
	OauthSection: displayOauthSection,
	OauthAccounts: oauthAccounts,
	OauthSlack: enableOauthSlack,
	OauthWriteAs: enableOauthWriteAs,
	OauthGitLab: enableOauthGitLab,
	GitLabDisplayName: config.OrDefaultString(app.Config().GitlabOauth.DisplayName, gitlabDisplayName),
	OauthGeneric: enableOauthGeneric,
	OauthGenericDisplayName: config.OrDefaultString(app.Config().GenericOauth.DisplayName, genericOauthDisplayName),
	OauthGitea: enableOauthGitea,
	GiteaDisplayName: config.OrDefaultString(app.Config().GiteaOauth.DisplayName, giteaDisplayName),
	}

	showUserPage(w, "settings", obj)
	return nil
	}

	func viewResetPassword(app App, w http.ResponseWriter, r http.Request) error {
	token := r.FormValue("t")
	resetting := false
	var userID int64 = 0
	if token != "" {
	// Show new password page
	userID = app.db.GetUserFromPasswordReset(token)
	if userID == 0 {
	return impart.HTTPError{http.StatusNotFound, ""}
	}
	resetting = true
	}

	if r.Method == http.MethodPost {
	newPass := r.FormValue("new-pass")
	if newPass == "" {
	// Send password reset email
	return handleResetPasswordInit(app, w, r)
	}

	// Do actual password reset
	// Assumes token has been validated above
	err := doAutomatedPasswordChange(app, userID, newPass)
	if err != nil {
	return err
	}
	err = app.db.ConsumePasswordResetToken(token)
	if err != nil {
	log.Error("Couldn't consume token %s for user %d!!! %s", token, userID, err)
	}
	addSessionFlash(app, w, r, "Your password was reset. Now you can log in below.", nil)
	return impart.HTTPError{http.StatusFound, "/login"}
	}

	f, _ := getSessionFlashes(app, w, r, nil)

	// Show reset password page
	d := struct {
	page.StaticPage
	Flashes []string
	EmailEnabled bool
	CSRFField template.HTML
	Token string
	IsResetting bool
	IsSent bool
	}{
	StaticPage: pageForReq(app, r),
	Flashes: f,
	EmailEnabled: app.cfg.Email.Enabled(),
	CSRFField: csrf.TemplateField(r),
	Token: token,
	IsResetting: resetting,
	IsSent: r.FormValue("sent") == "1",
	}
	err := pages["reset.tmpl"].ExecuteTemplate(w, "base", d)
	if err != nil {
	log.Error("Unable to render password reset page: %v", err)
	return err
	}
	return err
	}

	func doAutomatedPasswordChange(app *App, userID int64, newPass string) error {
	// Do password reset
	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, true, "", hashedPass)
	if err != nil {
	return err
	}
	return nil
	}

	func handleResetPasswordInit(app App, w http.ResponseWriter, r http.Request) error {
	returnLoc := impart.HTTPError{http.StatusFound, "/reset"}

	if !app.cfg.Email.Enabled() {
	// Email isn't configured, so there's nothing to do; send back to the reset form, where they'll get an explanation
	return returnLoc
	}

	ip := spam.GetIP(r)
	alias := r.FormValue("alias")

	u, err := app.db.GetUserForAuth(alias)
	if err != nil {
	if strings.IndexAny(alias, "@") > 0 {
	addSessionFlash(app, w, r, ErrUserNotFoundEmail.Message, nil)
	return returnLoc
	}
	addSessionFlash(app, w, r, ErrUserNotFound.Message, nil)
	return returnLoc
	}
	if u.IsAdmin() {
	// Prevent any reset emails on admin accounts
	log.Error("Admin reset attempt", `Someone just tried to reset the password for an admin (ID %d - %s). IP address: %s`, u.ID, u.Username, ip)
	return returnLoc
	}
	if u.Email.String == "" {
	err := impart.HTTPError{http.StatusPreconditionFailed, "User doesn't have an email address. Please contact us (" + app.cfg.App.Host + "/contact) to reset your password."}
	addSessionFlash(app, w, r, err.Message, nil)
	return returnLoc
	}
	if isSet, _ := app.db.IsUserPassSet(u.ID); !isSet {
	err = loginViaEmail(app, u.Username, "/me/settings")
	if err != nil {
	return err
	}
	addSessionFlash(app, w, r, "We've emailed you a link to log in with.", nil)
	return returnLoc
	}

	token, err := app.db.CreatePasswordResetToken(u.ID)
	if err != nil {
	log.Error("Error resetting password: %s", err)
	addSessionFlash(app, w, r, ErrInternalGeneral.Message, nil)
	return returnLoc
	}

	err = emailPasswordReset(app, u.EmailClear(app.keys), token)
	if err != nil {
	log.Error("Error emailing password reset: %s", err)
	addSessionFlash(app, w, r, ErrInternalGeneral.Message, nil)
	return returnLoc
	}

	addSessionFlash(app, w, r, "We sent an email to the address associated with this account.", nil)
	returnLoc.Message += "?sent=1"
	return returnLoc
	}

	func emailPasswordReset(app *App, toEmail, token string) error {
	// Send email
	gun := mailgun.NewMailgun(app.cfg.Email.Domain, app.cfg.Email.MailgunPrivate)
	+
	+ if app.cfg.Email.MailgunEurope {
	+ gun.SetAPIBase("https://api.eu.mailgun.net/v3")
	+ }
	+
	footerPara := "Didn't request this password reset? Your account is still safe, and you can safely ignore this email."

	plainMsg := fmt.Sprintf("We received a request to reset your password on %s. Please click the following link to continue (or copy and paste it into your browser): %s/reset?t=%s\n\n%s", app.cfg.App.SiteName, app.cfg.App.Host, token, footerPara)
	m := mailgun.NewMessage(app.cfg.App.SiteName+" <noreply-password@"+app.cfg.Email.Domain+">", "Reset Your "+app.cfg.App.SiteName+" Password", plainMsg, fmt.Sprintf("<%s>", toEmail))
	m.AddTag("Password Reset")
	m.SetHtml(fmt.Sprintf(`<html>
	<body style="font-family:Lora, 'Palatino Linotype', Palatino, Baskerville, 'Book Antiqua', 'New York', 'DejaVu serif', serif; font-size: 100%%; margin:1em 2em;">
	<div style="margin:0 auto; max-width: 40em; font-size: 1.2em;">
	<h1 style="font-size:1.75em"><a style="text-decoration:none;color:#000;" href="%s">%s</a></h1>
	<p>We received a request to reset your password on %s. Please click the following link to continue:</p>
	<p style="font-size:1.2em;margin-bottom:1.5em;"><a href="%s/reset?t=%s">Reset your password</a></p>
	<p style="font-size: 0.86em;margin:1em auto">%s</p>
	</div>
	</body>
	</html>`, app.cfg.App.Host, app.cfg.App.SiteName, app.cfg.App.SiteName, app.cfg.App.Host, token, footerPara))
	_, _, err := gun.Send(m)
	return err
	}

	func loginViaEmail(app *App, alias, redirectTo string) error {
	if !app.cfg.Email.Enabled() {
	return fmt.Errorf("EMAIL ISN'T CONFIGURED on this server")
	}

	// Make sure user has added an email
	// TODO: create a new func to just get user's email; "ForAuth" doesn't match here
	u, _ := app.db.GetUserForAuth(alias)
	if u == nil {
	if strings.IndexAny(alias, "@") > 0 {
	return ErrUserNotFoundEmail
	}
	return ErrUserNotFound
	}
	if u.Email.String == "" {
	return impart.HTTPError{http.StatusPreconditionFailed, "User doesn't have an email address. Log in with password, instead."}
	}

	// Generate one-time login token
	t, err := app.db.GetTemporaryOneTimeAccessToken(u.ID, 60*15, true)
	if err != nil {
	log.Error("Unable to generate token for email login: %s", err)
	return impart.HTTPError{http.StatusInternalServerError, "Unable to generate token."}
	}

	// Send email
	gun := mailgun.NewMailgun(app.cfg.Email.Domain, app.cfg.Email.MailgunPrivate)
	+
	+ if app.cfg.Email.MailgunEurope {
	+ gun.SetAPIBase("https://api.eu.mailgun.net/v3")
	+ }
	+
	toEmail := u.EmailClear(app.keys)
	footerPara := "This link will only work once and expires in 15 minutes. Didn't ask us to log in? You can safely ignore this email."

	plainMsg := fmt.Sprintf("Log in to %s here: %s/login?to=%s&with=%s\n\n%s", app.cfg.App.SiteName, app.cfg.App.Host, redirectTo, t, footerPara)
	m := mailgun.NewMessage(app.cfg.App.SiteName+" <noreply-login@"+app.cfg.Email.Domain+">", "Log in to "+app.cfg.App.SiteName, plainMsg, fmt.Sprintf("<%s>", toEmail))
	m.AddTag("Email Login")

	m.SetHtml(fmt.Sprintf(`<html>
	<body style="font-family:Lora, 'Palatino Linotype', Palatino, Baskerville, 'Book Antiqua', 'New York', 'DejaVu serif', serif; font-size: 100%%; margin:1em 2em;">
	<div style="margin:0 auto; max-width: 40em; font-size: 1.2em;">
	<h1 style="font-size:1.75em"><a style="text-decoration:none;color:#000;" href="%s">%s</a></h1>
	<p style="font-size:1.2em;margin-bottom:1.5em;text-align:center"><a href="%s/login?to=%s&with=%s">Log in to %s here</a>.</p>
	<p style="font-size: 0.86em;color:#666;text-align:center;max-width:35em;margin:1em auto">%s</p>
	</div>
	</body>
	</html>`, app.cfg.App.Host, app.cfg.App.SiteName, app.cfg.App.Host, redirectTo, t, app.cfg.App.SiteName, footerPara))
	_, _, err = gun.Send(m)

	return err
	}

	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
	}

	func handleUserDelete(app App, u User, w http.ResponseWriter, r *http.Request) error {
	if !app.cfg.App.OpenDeletion {
	return impart.HTTPError{http.StatusForbidden, "Open account deletion is disabled on this instance."}
	}

	confirmUsername := r.PostFormValue("confirm-username")
	if u.Username != confirmUsername {
	return impart.HTTPError{http.StatusBadRequest, "Confirmation username must match your username exactly."}
	}

	// Check for account deletion safeguards in place
	if u.IsAdmin() {
	return impart.HTTPError{http.StatusForbidden, "Cannot delete admin."}
	}

	err := app.db.DeleteAccount(u.ID)
	if err != nil {
	log.Error("user delete account: %v", err)
	return impart.HTTPError{http.StatusInternalServerError, fmt.Sprintf("Could not delete account: %v", err)}
	}

	// FIXME: This doesn't ever appear to the user, as (I believe) the value is erased when the session cookie is reset
	_ = addSessionFlash(app, w, r, "Thanks for writing with us! You account was deleted successfully.", nil)
	return impart.HTTPError{http.StatusFound, "/me/logout"}
	}

	func removeOauth(app App, u User, w http.ResponseWriter, r *http.Request) error {
	provider := r.FormValue("provider")
	clientID := r.FormValue("client_id")
	remoteUserID := r.FormValue("remote_user_id")

	err := app.db.RemoveOauth(r.Context(), u.ID, provider, clientID, remoteUserID)
	if err != nil {
	return impart.HTTPError{Status: http.StatusInternalServerError, Message: err.Error()}
	}

	return impart.HTTPError{Status: http.StatusFound, Message: "/me/settings"}
	}

	func prepareUserEmail(input string, emailKey []byte) zero.String {
	email := zero.NewString("", input != "")
	if len(input) > 0 {
	encEmail, err := data.Encrypt(emailKey, input)
	if err != nil {
	log.Error("Unable to encrypt email: %s\n", err)
	} else {
	email.String = string(encEmail)

	}
	}
	return email
	}
	diff --git a/config/config.go b/config/config.go
	index 1afd5f3..38efef6 100644
	--- a/config/config.go
	+++ b/config/config.go
	@@ -1,305 +1,306 @@
	/*
	* Copyright © 2018-2021 Musing Studio 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 config holds and assists in the configuration of a writefreely instance.
	package config

	import (
	"net/url"
	"strings"

	"github.com/go-ini/ini"
	"github.com/writeas/web-core/log"
	"golang.org/x/net/idna"
	)

	const (
	// FileName is the default configuration file name
	FileName = "config.ini"

	UserNormal UserType = "user"
	UserAdmin = "admin"
	)

	type (
	UserType string

	// ServerCfg holds values that affect how the HTTP server runs
	ServerCfg struct {
	HiddenHost string `ini:"hidden_host"`
	Port int `ini:"port"`
	Bind string `ini:"bind"`

	TLSCertPath string `ini:"tls_cert_path"`
	TLSKeyPath string `ini:"tls_key_path"`
	Autocert bool `ini:"autocert"`

	TemplatesParentDir string `ini:"templates_parent_dir"`
	StaticParentDir string `ini:"static_parent_dir"`
	PagesParentDir string `ini:"pages_parent_dir"`
	KeysParentDir string `ini:"keys_parent_dir"`

	HashSeed string `ini:"hash_seed"`

	GopherPort int `ini:"gopher_port"`

	Dev bool `ini:"-"`
	}

	// DatabaseCfg holds values that determine how the application connects to a datastore
	DatabaseCfg struct {
	Type string `ini:"type"`
	FileName string `ini:"filename"`
	User string `ini:"username"`
	Password string `ini:"password"`
	Database string `ini:"database"`
	Host string `ini:"host"`
	Port int `ini:"port"`
	TLS bool `ini:"tls"`
	}

	WriteAsOauthCfg struct {
	ClientID string `ini:"client_id"`
	ClientSecret string `ini:"client_secret"`
	AuthLocation string `ini:"auth_location"`
	TokenLocation string `ini:"token_location"`
	InspectLocation string `ini:"inspect_location"`
	CallbackProxy string `ini:"callback_proxy"`
	CallbackProxyAPI string `ini:"callback_proxy_api"`
	}

	GitlabOauthCfg struct {
	ClientID string `ini:"client_id"`
	ClientSecret string `ini:"client_secret"`
	Host string `ini:"host"`
	DisplayName string `ini:"display_name"`
	CallbackProxy string `ini:"callback_proxy"`
	CallbackProxyAPI string `ini:"callback_proxy_api"`
	}

	GiteaOauthCfg struct {
	ClientID string `ini:"client_id"`
	ClientSecret string `ini:"client_secret"`
	Host string `ini:"host"`
	DisplayName string `ini:"display_name"`
	CallbackProxy string `ini:"callback_proxy"`
	CallbackProxyAPI string `ini:"callback_proxy_api"`
	}

	SlackOauthCfg struct {
	ClientID string `ini:"client_id"`
	ClientSecret string `ini:"client_secret"`
	TeamID string `ini:"team_id"`
	CallbackProxy string `ini:"callback_proxy"`
	CallbackProxyAPI string `ini:"callback_proxy_api"`
	}

	GenericOauthCfg struct {
	ClientID string `ini:"client_id"`
	ClientSecret string `ini:"client_secret"`
	Host string `ini:"host"`
	DisplayName string `ini:"display_name"`
	CallbackProxy string `ini:"callback_proxy"`
	CallbackProxyAPI string `ini:"callback_proxy_api"`
	TokenEndpoint string `ini:"token_endpoint"`
	InspectEndpoint string `ini:"inspect_endpoint"`
	AuthEndpoint string `ini:"auth_endpoint"`
	Scope string `ini:"scope"`
	AllowDisconnect bool `ini:"allow_disconnect"`
	MapUserID string `ini:"map_user_id"`
	MapUsername string `ini:"map_username"`
	MapDisplayName string `ini:"map_display_name"`
	MapEmail string `ini:"map_email"`
	}

	// AppCfg holds values that affect how the application functions
	AppCfg struct {
	SiteName string `ini:"site_name"`
	SiteDesc string `ini:"site_description"`
	Host string `ini:"host"`

	// Site appearance
	Theme string `ini:"theme"`
	Editor string `ini:"editor"`
	JSDisabled bool `ini:"disable_js"`
	WebFonts bool `ini:"webfonts"`
	Landing string `ini:"landing"`
	SimpleNav bool `ini:"simple_nav"`
	WFModesty bool `ini:"wf_modesty"`

	// Site functionality
	Chorus bool `ini:"chorus"`
	Forest bool `ini:"forest"` // The admin cares about the forest, not the trees. Hide unnecessary technical info.
	DisableDrafts bool `ini:"disable_drafts"`

	// Users
	SingleUser bool `ini:"single_user"`
	OpenRegistration bool `ini:"open_registration"`
	OpenDeletion bool `ini:"open_deletion"`
	MinUsernameLen int `ini:"min_username_len"`
	MaxBlogs int `ini:"max_blogs"`

	// Options for public instances
	// Federation
	Federation bool `ini:"federation"`
	PublicStats bool `ini:"public_stats"`
	Monetization bool `ini:"monetization"`
	NotesOnly bool `ini:"notes_only"`

	// Access
	Private bool `ini:"private"`

	// Additional functions
	LocalTimeline bool `ini:"local_timeline"`
	UserInvites string `ini:"user_invites"`

	// Defaults
	DefaultVisibility string `ini:"default_visibility"`

	// Check for Updates
	UpdateChecks bool `ini:"update_checks"`

	// Disable password authentication if use only Oauth
	DisablePasswordAuth bool `ini:"disable_password_auth"`
	}

	EmailCfg struct {
	Domain string `ini:"domain"`
	MailgunPrivate string `ini:"mailgun_private"`
	+ MailgunEurope bool `ini:"mailgun_europe"`
	}

	// Config holds the complete configuration for running a writefreely instance
	Config struct {
	Server ServerCfg `ini:"server"`
	Database DatabaseCfg `ini:"database"`
	App AppCfg `ini:"app"`
	Email EmailCfg `ini:"email"`
	SlackOauth SlackOauthCfg `ini:"oauth.slack"`
	WriteAsOauth WriteAsOauthCfg `ini:"oauth.writeas"`
	GitlabOauth GitlabOauthCfg `ini:"oauth.gitlab"`
	GiteaOauth GiteaOauthCfg `ini:"oauth.gitea"`
	GenericOauth GenericOauthCfg `ini:"oauth.generic"`
	}
	)

	// New creates a new Config with sane defaults
	func New() *Config {
	c := &Config{
	Server: ServerCfg{
	Port: 8080,
	Bind: "localhost", /* IPV6 support when not using localhost? */
	},
	App: AppCfg{
	Host: "http://localhost:8080",
	Theme: "write",
	WebFonts: true,
	SingleUser: true,
	MinUsernameLen: 3,
	MaxBlogs: 1,
	Federation: true,
	PublicStats: true,
	},
	}
	c.UseMySQL(true)
	return c
	}

	// UseMySQL resets the Config's Database to use default values for a MySQL setup.
	func (cfg *Config) UseMySQL(fresh bool) {
	cfg.Database.Type = "mysql"
	if fresh {
	cfg.Database.Host = "localhost"
	cfg.Database.Port = 3306
	}
	}

	// UseSQLite resets the Config's Database to use default values for a SQLite setup.
	func (cfg *Config) UseSQLite(fresh bool) {
	cfg.Database.Type = "sqlite3"
	if fresh {
	cfg.Database.FileName = "writefreely.db"
	}
	}

	// IsSecureStandalone returns whether or not the application is running as a
	// standalone server with TLS enabled.
	func (cfg *Config) IsSecureStandalone() bool {
	return cfg.Server.Port == 443 && cfg.Server.TLSCertPath != "" && cfg.Server.TLSKeyPath != ""
	}

	func (ac *AppCfg) LandingPath() string {
	if !strings.HasPrefix(ac.Landing, "/") {
	return "/" + ac.Landing
	}
	return ac.Landing
	}

	func (lc EmailCfg) Enabled() bool {
	return lc.Domain != "" && lc.MailgunPrivate != ""
	}

	func (ac AppCfg) SignupPath() string {
	if !ac.OpenRegistration {
	return ""
	}
	if ac.Chorus \|\| ac.Private \|\| (ac.Landing != "" && ac.Landing != "/") {
	return "/signup"
	}
	return "/"
	}

	// Load reads the given configuration file, then parses and returns it as a Config.
	func Load(fname string) (*Config, error) {
	if fname == "" {
	fname = FileName
	}
	cfg, err := ini.Load(fname)
	if err != nil {
	return nil, err
	}

	// Parse INI file
	uc := &Config{}
	err = cfg.MapTo(uc)
	if err != nil {
	return nil, err
	}

	// Do any transformations
	u, err := url.Parse(uc.App.Host)
	if err != nil {
	return nil, err
	}
	d, err := idna.ToASCII(u.Hostname())
	if err != nil {
	log.Error("idna.ToASCII for %s: %s", u.Hostname(), err)
	return nil, err
	}
	uc.App.Host = u.Scheme + "://" + d
	if u.Port() != "" {
	uc.App.Host += ":" + u.Port()
	}

	return uc, nil
	}

	// Save writes the given Config to the given file.
	func Save(uc *Config, fname string) error {
	cfg := ini.Empty()
	err := ini.ReflectFrom(cfg, uc)
	if err != nil {
	return err
	}

	if fname == "" {
	fname = FileName
	}
	return cfg.SaveTo(fname)
	}
	diff --git a/email.go b/email.go
	index da4590e..9fdd691 100644
	--- a/email.go
	+++ b/email.go
	@@ -1,462 +1,471 @@
	/*
	* Copyright © 2019-2021 Musing Studio 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"
	"strings"
	"time"

	"github.com/aymerick/douceur/inliner"
	"github.com/gorilla/mux"
	"github.com/mailgun/mailgun-go"
	stripmd "github.com/writeas/go-strip-markdown/v2"
	"github.com/writeas/impart"
	"github.com/writeas/web-core/data"
	"github.com/writeas/web-core/log"
	"github.com/writefreely/writefreely/key"
	"github.com/writefreely/writefreely/spam"
	)

	const (
	emailSendDelay = 15
	)

	type (
	SubmittedSubscription struct {
	CollAlias string
	UserID int64

	Email string `schema:"email" json:"email"`
	Web bool `schema:"web" json:"web"`
	Slug string `schema:"slug" json:"slug"`
	From string `schema:"from" json:"from"`
	}

	EmailSubscriber struct {
	ID string
	CollID int64
	UserID sql.NullInt64
	Email sql.NullString
	Subscribed time.Time
	Token string
	Confirmed bool
	AllowExport bool
	acctEmail sql.NullString
	}
	)

	func (es EmailSubscriber) FinalEmail(keys key.Keychain) string {
	if !es.UserID.Valid \|\| es.Email.Valid {
	return es.Email.String
	}

	decEmail, err := data.Decrypt(keys.EmailKey, []byte(es.acctEmail.String))
	if err != nil {
	log.Error("Error decrypting user email: %v", err)
	return ""
	}
	return string(decEmail)
	}

	func (es *EmailSubscriber) SubscribedFriendly() string {
	return es.Subscribed.Format("January 2, 2006")
	}

	func handleCreateEmailSubscription(app App, w http.ResponseWriter, r http.Request) error {
	reqJSON := IsJSON(r)
	vars := mux.Vars(r)
	var err error

	ss := SubmittedSubscription{
	CollAlias: vars["alias"],
	}
	u := getUserSession(app, r)
	if u != nil {
	ss.UserID = u.ID
	}
	if reqJSON {
	// Decode JSON request
	decoder := json.NewDecoder(r.Body)
	err = decoder.Decode(&ss)
	if err != nil {
	log.Error("Couldn't parse new subscription JSON request: %v\n", err)
	return ErrBadJSON
	}
	} else {
	err = r.ParseForm()
	if err != nil {
	log.Error("Couldn't parse new subscription form request: %v\n", err)
	return ErrBadFormData
	}

	err = app.formDecoder.Decode(&ss, r.PostForm)
	if err != nil {
	log.Error("Continuing, but error decoding new subscription form request: %v\n", err)
	//return ErrBadFormData
	}
	}

	c, err := app.db.GetCollection(ss.CollAlias)
	if err != nil {
	log.Error("getCollection: %s", err)
	return err
	}
	c.hostName = app.cfg.App.Host

	from := c.CanonicalURL()
	isAuthorBanned, err := app.db.IsUserSilenced(c.OwnerID)
	if isAuthorBanned {
	log.Info("Author is silenced, so subscription is blocked.")
	return impart.HTTPError{http.StatusFound, from}
	}

	if ss.Web {
	if u != nil && u.ID == c.OwnerID {
	from = "/" + c.Alias + "/"
	}
	from += ss.Slug
	}

	if r.FormValue(spam.HoneypotFieldName()) != "" \|\| r.FormValue("fake_password") != "" {
	log.Info("Honeypot field was filled out! Not subscribing.")
	return impart.HTTPError{http.StatusFound, from}
	}

	if ss.Email == "" && ss.UserID < 1 {
	log.Info("No subscriber data. Not subscribing.")
	return impart.HTTPError{http.StatusFound, from}
	}

	confirmed := app.db.IsSubscriberConfirmed(ss.Email)
	es, err := app.db.AddEmailSubscription(c.ID, ss.UserID, ss.Email, confirmed)
	if err != nil {
	log.Error("addEmailSubscription: %s", err)
	return err
	}

	// Send confirmation email if needed
	if !confirmed {
	err = sendSubConfirmEmail(app, c, ss.Email, es.ID, es.Token)
	if err != nil {
	log.Error("Failed to send subscription confirmation email: %s", err)
	return err
	}
	}

	if ss.Web {
	session, err := app.sessionStore.Get(r, userEmailCookieName)
	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("Getting user email cookie: %v; ignoring", err)
	}
	if confirmed {
	addSessionFlash(app, w, r, "<strong>Subscribed</strong>. You'll now receive future blog posts via email.", nil)
	} else {
	addSessionFlash(app, w, r, "Please check your email and <strong>click the confirmation link</strong> to subscribe.", nil)
	}
	session.Values[userEmailCookieVal] = ss.Email
	err = session.Save(r, w)
	if err != nil {
	log.Error("save email cookie: %s", err)
	return err
	}

	return impart.HTTPError{http.StatusFound, from}
	}
	return impart.WriteSuccess(w, "", http.StatusAccepted)
	}

	func handleDeleteEmailSubscription(app App, w http.ResponseWriter, r http.Request) error {
	alias := collectionAliasFromReq(r)

	vars := mux.Vars(r)
	subID := vars["subscriber"]
	email := r.FormValue("email")
	token := r.FormValue("t")
	slug := r.FormValue("slug")
	isWeb := r.Method == "GET"

	// 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(alias)
	}
	if err != nil {
	log.Error("Get collection: %s", err)
	return err
	}

	from := c.CanonicalURL()

	if subID != "" {
	// User unsubscribing via email, so assume action is taken by either current
	// user or not current user, and only use the request's information to
	// satisfy this unsubscribe, i.e. subscriberID and token.
	err = app.db.DeleteEmailSubscriber(subID, token)
	} else {
	// User unsubscribing through the web app, so assume action is taken by
	// currently-auth'd user.
	var userID int64
	u := getUserSession(app, r)
	if u != nil {
	// User is logged in
	userID = u.ID
	if userID == c.OwnerID {
	from = "/" + c.Alias + "/"
	}
	}
	if email == "" && userID <= 0 {
	// Get email address from saved cookie
	session, err := app.sessionStore.Get(r, userEmailCookieName)
	if err != nil {
	log.Error("Unable to get email cookie: %s", err)
	} else {
	email = session.Values[userEmailCookieVal].(string)
	}
	}

	if email == "" && userID <= 0 {
	err = fmt.Errorf("No subscriber given.")
	log.Error("Not deleting subscription: %s", err)
	return err
	}

	err = app.db.DeleteEmailSubscriberByUser(email, userID, c.ID)
	}
	if err != nil {
	log.Error("Unable to delete subscriber: %v", err)
	return err
	}

	if isWeb {
	from += slug
	addSessionFlash(app, w, r, "<strong>Unsubscribed</strong>. You will no longer receive these blog posts via email.", nil)
	return impart.HTTPError{http.StatusFound, from}
	}
	return impart.WriteSuccess(w, "", http.StatusAccepted)
	}

	func handleConfirmEmailSubscription(app App, w http.ResponseWriter, r http.Request) error {
	alias := collectionAliasFromReq(r)
	subID := mux.Vars(r)["subscriber"]
	token := r.FormValue("t")

	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 {
	log.Error("Get collection: %s", err)
	return err
	}

	from := c.CanonicalURL()

	err = app.db.UpdateSubscriberConfirmed(subID, token)
	if err != nil {
	addSessionFlash(app, w, r, err.Error(), nil)
	return impart.HTTPError{http.StatusFound, from}
	}

	addSessionFlash(app, w, r, "<strong>Confirmed</strong>! Thanks. Now you'll receive future blog posts via email.", nil)
	return impart.HTTPError{http.StatusFound, from}
	}

	func emailPost(app App, p PublicPost, collID int64) error {
	p.augmentContent()

	// Do some shortcode replacement.
	// Since the user is receiving this email, we can assume they're subscribed via email.
	p.Content = strings.Replace(p.Content, "<!--emailsub-->", `<p id="emailsub">You're subscribed to email updates.</p>`, -1)

	if p.HTMLContent == template.HTML("") {
	p.formatContent(app.cfg, false, false)
	}
	p.augmentReadingDestination()

	title := p.Title.String
	if title != "" {
	title = p.Title.String + "\n\n"
	}
	plainMsg := title + "A new post from " + p.CanonicalURL(app.cfg.App.Host) + "\n\n" + stripmd.Strip(p.Content)
	plainMsg += `

	---------------------------------------------------------------------------------

	Originally published on ` + p.Collection.DisplayTitle() + ` (` + p.Collection.CanonicalURL() + `), a blog you subscribe to.

	Sent to %recipient.to%. Unsubscribe: ` + p.Collection.CanonicalURL() + `email/unsubscribe/%recipient.id%?t=%recipient.token%`

	gun := mailgun.NewMailgun(app.cfg.Email.Domain, app.cfg.Email.MailgunPrivate)
	+
	+ if app.cfg.Email.MailgunEurope {
	+ gun.SetAPIBase("https://api.eu.mailgun.net/v3")
	+ }
	+
	m := mailgun.NewMessage(p.Collection.DisplayTitle()+" <"+p.Collection.Alias+"@"+app.cfg.Email.Domain+">", stripmd.Strip(p.DisplayTitle()), plainMsg)
	replyTo := app.db.GetCollectionAttribute(collID, collAttrLetterReplyTo)
	if replyTo != "" {
	m.SetReplyTo(replyTo)
	}

	subs, err := app.db.GetEmailSubscribers(collID, true)
	if err != nil {
	log.Error("Unable to get email subscribers: %v", err)
	return err
	}
	if len(subs) == 0 {
	return nil
	}

	if title != "" {
	title = string(`<h2 id="title">` + p.FormattedDisplayTitle() + `</h2>`)
	}
	m.AddTag("New post")

	fontFam := "Lora, Palatino, Baskerville, serif"
	if p.IsSans() {
	fontFam = `"Open Sans", Tahoma, Arial, sans-serif`
	} else if p.IsMonospace() {
	fontFam = `Hack, consolas, Menlo-Regular, Menlo, Monaco, monospace, monospace`
	}

	// TODO: move this to a templated file and LESS-generated stylesheet
	fullHTML := `<html>
	<head>
	<style>
	body {
	font-size: 120%;
	font-family: ` + fontFam + `;
	margin: 1em 2em;
	}
	#article {
	line-height: 1.5;
	margin: 1.5em 0;
	white-space: pre-wrap;
	word-wrap: break-word;
	}
	h1, h2, h3, h4, h5, h6, p, code {
	display: inline
	}
	img, iframe, video {
	max-width: 100%
	}
	#title {
	margin-bottom: 1em;
	display: block;
	}
	.intro {
	font-style: italic;
	font-size: 0.95em;
	}
	div#footer {
	text-align: center;
	max-width: 35em;
	margin: 2em auto;
	}
	div#footer p {
	display: block;
	font-size: 0.86em;
	color: #666;
	}
	hr {
	border: 1px solid #ccc;
	margin: 2em 1em;
	}
	p#emailsub {
	text-align: center;
	display: inline-block !important;
	width: 100%;
	font-style: italic;
	}
	</style>
	</head>
	<body>
	<div id="article">` + title + `<p class="intro">From <a href="` + p.CanonicalURL(app.cfg.App.Host) + `">` + p.DisplayCanonicalURL() + `</a></p>

	` + string(p.HTMLContent) + `</div>
	<hr />
	<div id="footer">
	<p>Originally published on <a href="` + p.Collection.CanonicalURL() + `">` + p.Collection.DisplayTitle() + `</a>, a blog you subscribe to.</p>
	<p>Sent to %recipient.to%. <a href="` + p.Collection.CanonicalURL() + `email/unsubscribe/%recipient.id%?t=%recipient.token%">Unsubscribe</a>.</p>
	</div>
	</body>
	</html>`

	// inline CSS
	html, err := inliner.Inline(fullHTML)
	if err != nil {
	log.Error("Unable to inline email HTML: %v", err)
	return err
	}

	m.SetHtml(html)

	log.Info("[email] Adding %d recipient(s)", len(subs))
	for _, s := range subs {
	e := s.FinalEmail(app.keys)
	log.Info("[email] Adding %s", e)
	err = m.AddRecipientAndVariables(e, map[string]interface{}{
	"id": s.ID,
	"to": e,
	"token": s.Token,
	})
	if err != nil {
	log.Error("Unable to add receipient %s: %s", e, err)
	}
	}

	res, _, err := gun.Send(m)
	log.Info("[email] Send result: %s", res)
	if err != nil {
	log.Error("Unable to send post email: %v", err)
	return err
	}

	return nil
	}

	func sendSubConfirmEmail(app App, c Collection, email, subID, token string) error {
	if email == "" {
	return fmt.Errorf("You must supply an email to verify.")
	}

	// Send email
	gun := mailgun.NewMailgun(app.cfg.Email.Domain, app.cfg.Email.MailgunPrivate)

	+ if app.cfg.Email.MailgunEurope {
	+ gun.SetAPIBase("https://api.eu.mailgun.net/v3")
	+ }
	+
	plainMsg := "Confirm your subscription to " + c.DisplayTitle() + ` (` + c.CanonicalURL() + `) to start receiving future posts. Simply click the following link (or copy and paste it into your browser):

	` + c.CanonicalURL() + "email/confirm/" + subID + "?t=" + token + `

	If you didn't subscribe to this site or you're not sure why you're getting this email, you can delete it. You won't be subscribed or receive any future emails.`
	m := mailgun.NewMessage(c.DisplayTitle()+" <"+c.Alias+"@"+app.cfg.Email.Domain+">", "Confirm your subscription to "+c.DisplayTitle(), plainMsg, fmt.Sprintf("<%s>", email))
	m.AddTag("Email Verification")

	m.SetHtml(`<html>
	<body style="font-family:Lora, 'Palatino Linotype', Palatino, Baskerville, 'Book Antiqua', 'New York', 'DejaVu serif', serif; font-size: 100%%; margin:1em 2em;">
	<div style="font-size: 1.2em;">
	<p>Confirm your subscription to <a href="` + c.CanonicalURL() + `">` + c.DisplayTitle() + `</a> to start receiving future posts:</p>
	<p><a href="` + c.CanonicalURL() + `email/confirm/` + subID + `?t=` + token + `">Subscribe to ` + c.DisplayTitle() + `</a></p>
	<p>If you didn't subscribe to this site or you're not sure why you're getting this email, you can delete it. You won't be subscribed or receive any future emails.</p>
	</div>
	</body>
	</html>`)
	gun.Send(m)

	return nil
	}

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