253 lines
7.7 KiB
Go
253 lines
7.7 KiB
Go
package account
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import (
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"fmt"
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"net/http"
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nm "net/mail"
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"strings"
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"time"
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"code.nonshy.com/nonshy/website/pkg/config"
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"code.nonshy.com/nonshy/website/pkg/log"
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"code.nonshy.com/nonshy/website/pkg/mail"
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"code.nonshy.com/nonshy/website/pkg/models"
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"code.nonshy.com/nonshy/website/pkg/redis"
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"code.nonshy.com/nonshy/website/pkg/session"
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"code.nonshy.com/nonshy/website/pkg/templates"
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"code.nonshy.com/nonshy/website/pkg/utility"
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"github.com/google/uuid"
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)
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// ChangeEmailToken for Redis.
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type ChangeEmailToken struct {
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Token string
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UserID uint64
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NewEmail string
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}
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// Delete the change email token.
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func (t ChangeEmailToken) Delete() error {
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return redis.Delete(fmt.Sprintf(config.ChangeEmailRedisKey, t.Token))
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}
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// User settings page. (/settings).
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func Settings() http.HandlerFunc {
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tmpl := templates.Must("account/settings.html")
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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vars := map[string]interface{}{
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"Enum": config.ProfileEnums,
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}
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// Load the current user in case of updates.
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user, err := session.CurrentUser(r)
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if err != nil {
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session.FlashError(w, r, "Couldn't get CurrentUser: %s", err)
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templates.Redirect(w, r.URL.Path)
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return
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}
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// Are we POSTing?
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if r.Method == http.MethodPost {
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intent := r.PostFormValue("intent")
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switch intent {
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case "profile":
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// Setting profile values.
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var (
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displayName = r.PostFormValue("display_name")
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dob = r.PostFormValue("dob")
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)
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// Set user attributes.
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user.Name = &displayName
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if len(dob) > 0 {
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if birthdate, err := time.Parse("2006-01-02", dob); err != nil {
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session.FlashError(w, r, "Incorrect format for birthdate; should be in yyyy-mm-dd format but got: %s", dob)
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} else {
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// Validate birthdate is at least age 18.
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if utility.Age(birthdate) < 18 {
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session.FlashError(w, r, "Invalid birthdate: you must be at least 18 years old to use this site.")
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templates.Redirect(w, r.URL.Path)
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return
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}
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user.Birthdate = birthdate
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}
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} else {
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user.Birthdate = time.Time{}
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}
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// Set profile attributes.
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for _, attr := range config.ProfileFields {
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user.SetProfileField(attr, r.PostFormValue(attr))
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}
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// "Looking For" checkbox list.
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if hereFor, ok := r.PostForm["here_for"]; ok {
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user.SetProfileField("here_for", strings.Join(hereFor, ","))
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}
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if err := user.Save(); err != nil {
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session.FlashError(w, r, "Failed to save user to database: %s", err)
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}
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session.Flash(w, r, "Profile settings updated!")
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case "preferences":
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var (
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explicit = r.PostFormValue("explicit") == "true"
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private = r.PostFormValue("private") == "true"
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)
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user.Explicit = explicit
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if private {
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user.Visibility = models.UserVisibilityPrivate
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} else {
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user.Visibility = models.UserVisibilityPublic
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}
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if err := user.Save(); err != nil {
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session.FlashError(w, r, "Failed to save user to database: %s", err)
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}
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session.Flash(w, r, "Website preferences updated!")
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case "settings":
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var (
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oldPassword = r.PostFormValue("old_password")
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changeEmail = strings.TrimSpace(strings.ToLower(r.PostFormValue("change_email")))
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password1 = strings.TrimSpace(r.PostFormValue("new_password"))
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password2 = strings.TrimSpace(r.PostFormValue("new_password2"))
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)
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// Their old password is needed to make any changes to their account.
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if err := user.CheckPassword(oldPassword); err != nil {
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session.FlashError(w, r, "Could not make changes to your account settings as the 'current password' you entered was incorrect.")
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templates.Redirect(w, r.URL.Path)
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return
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}
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// Changing their email?
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if changeEmail != user.Email {
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// Validate the email.
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if _, err := nm.ParseAddress(changeEmail); err != nil {
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session.FlashError(w, r, "The email address you entered is not valid: %s", err)
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templates.Redirect(w, r.URL.Path)
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return
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}
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// Email must not already exist.
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if _, err := models.FindUser(changeEmail); err == nil {
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session.FlashError(w, r, "That email address is already in use.")
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templates.Redirect(w, r.URL.Path)
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return
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}
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// Create a tokenized link.
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token := ChangeEmailToken{
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Token: uuid.New().String(),
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UserID: user.ID,
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NewEmail: changeEmail,
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}
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if err := redis.Set(fmt.Sprintf(config.ChangeEmailRedisKey, token.Token), token, config.SignupTokenExpires); err != nil {
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session.FlashError(w, r, "Failed to create change email token: %s", err)
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templates.Redirect(w, r.URL.Path)
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return
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}
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err := mail.Send(mail.Message{
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To: changeEmail,
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Subject: "Verify your e-mail address",
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Template: "email/verify_email.html",
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Data: map[string]interface{}{
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"Title": config.Title,
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"URL": config.Current.BaseURL + "/settings/confirm-email?token=" + token.Token,
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"ChangeEmail": true,
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},
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})
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if err != nil {
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session.FlashError(w, r, "Error sending a confirmation email to %s: %s", changeEmail, err)
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} else {
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session.Flash(w, r, "Please verify your new email address. A link has been sent to %s to confirm.", changeEmail)
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}
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}
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// Changing their password?
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if password1 != "" {
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if password2 != password1 {
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log.Error("pw1=%s pw2=%s", password1, password2)
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session.FlashError(w, r, "Couldn't change your password: your new passwords do not match.")
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} else {
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// Hash the new password.
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if err := user.HashPassword(password1); err != nil {
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session.FlashError(w, r, "Failed to hash your new password: %s", err)
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} else {
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// Save the user row.
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if err := user.Save(); err != nil {
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session.FlashError(w, r, "Failed to update your password in the database: %s", err)
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} else {
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session.Flash(w, r, "Your password has been updated.")
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}
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}
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}
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}
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default:
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session.FlashError(w, r, "Unknown POST intent value. Please try again.")
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}
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templates.Redirect(w, r.URL.Path)
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return
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}
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if err := tmpl.Execute(w, r, vars); err != nil {
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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})
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}
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// ConfirmEmailChange after a user tries to change their email.
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func ConfirmEmailChange() http.HandlerFunc {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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var tokenStr = r.FormValue("token")
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if tokenStr != "" {
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var token ChangeEmailToken
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if err := redis.Get(fmt.Sprintf(config.ChangeEmailRedisKey, tokenStr), &token); err != nil {
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session.FlashError(w, r, "Invalid token. Please try again to change your email address.")
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templates.Redirect(w, "/")
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return
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}
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// Verify new email still doesn't already exist.
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if _, err := models.FindUser(token.NewEmail); err == nil {
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session.FlashError(w, r, "Couldn't update your email address: it is already in use by another member.")
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templates.Redirect(w, "/")
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return
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}
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// Look up the user.
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user, err := models.GetUser(token.UserID)
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if err != nil {
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session.FlashError(w, r, "Didn't find the user that this email change was for. Please try again.")
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templates.Redirect(w, "/")
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return
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}
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// Burn the token.
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if err := token.Delete(); err != nil {
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log.Error("ChangeEmail: couldn't delete Redis token: %s", err)
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}
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// Make the change.
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user.Email = token.NewEmail
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if err := user.Save(); err != nil {
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session.FlashError(w, r, "Couldn't save the change to your user: %s", err)
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} else {
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session.Flash(w, r, "Your email address has been confirmed and updated.")
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templates.Redirect(w, "/")
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}
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} else {
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session.FlashError(w, r, "Invalid change email token. Please try again.")
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}
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templates.Redirect(w, "/")
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})
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}
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