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user.go
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user.go
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package server
import (
"database/sql"
"io"
"net/http"
"strconv"
"strings"
"time"
"github.com/SherClockHolmes/webpush-go"
"github.com/discuitnet/discuit/core"
"github.com/discuitnet/discuit/internal/hcaptcha"
"github.com/discuitnet/discuit/internal/httperr"
"github.com/discuitnet/discuit/internal/httputil"
"github.com/discuitnet/discuit/internal/uid"
"github.com/gorilla/mux"
)
// /api/users/{username} [GET]
func (s *Server) getUser(w *responseWriter, r *request) error {
username := r.muxVar("username")
user, err := core.GetUserByUsername(r.ctx, s.db, username, r.viewer)
if err != nil {
return err
}
if user.IsGhost() {
// For deleted accounts, expose the username for this API endpoint only.
user.UnsetToGhost()
username := user.Username
user.SetToGhost()
user.Username = username
}
if err := user.LoadModdingList(r.ctx); err != nil {
return err
}
return w.writeJSON(user)
}
// /api/users/{username} [DELETE]
func (s *Server) deleteUser(w *responseWriter, r *request) error {
if !r.loggedIn {
return errNotLoggedIn
}
reqBody := struct {
// Password is the password of the logged in user.
Password string `json:"password"`
}{}
if err := r.unmarshalJSONBody(&reqBody); err != nil {
return err
}
// Username might be the username of the logged in user or the username of
// some other user. If it's the logged in user, then it's them deleting
// their account. If it's some other user, then it's an admin deleting a
// user account.
username := r.muxVar("username")
if err := s.rateLimit(r, "del_account_1_"+r.viewer.String(), time.Second*5, 1); err != nil {
return err
}
doer, err := core.GetUser(r.ctx, s.db, *r.viewer, nil)
if err != nil {
return err
}
if _, err := core.MatchLoginCredentials(r.ctx, s.db, doer.Username, reqBody.Password); err != nil {
if err == core.ErrWrongPassword {
return httperr.NewForbidden("wrong_password", "Wrong password.")
}
return err
}
var toDelete *core.User
if strings.ToLower(username) == doer.UsernameLowerCase {
toDelete = doer
} else {
if !doer.Admin {
// Doer is not an admin but trying to delete an account that isn't
// theirs.
return httperr.NewForbidden("not_admin", "You are not an admin.")
}
toDelete, err = core.GetUserByUsername(r.ctx, s.db, username, nil)
if err != nil {
return err
}
}
// The user *must* be logged out of all active sessions before the account
// is deleted.
if err := s.LogoutAllSessionsOfUser(toDelete); err != nil {
return err
}
// Finally, delete the user.
if err := toDelete.Delete(r.ctx); err != nil {
return err
}
w.writeString(`{"success": true}`)
return nil
}
// /api/_initial [GET]
func (s *Server) initial(w *responseWriter, r *request) error {
var err error
response := struct {
ReportReasons []core.ReportReason `json:"reportReasons"`
User *core.User `json:"user"`
Lists []*core.List `json:"lists"`
Communities []*core.Community `json:"communities"`
NoUsers int `json:"noUsers"`
BannedFrom []uid.ID `json:"bannedFrom"`
VAPIDPublicKey string `json:"vapidPublicKey"`
Mutes struct {
CommunityMutes []*core.Mute `json:"communityMutes"`
UserMutes []*core.Mute `json:"userMutes"`
} `json:"mutes"`
}{
Lists: []*core.List{},
VAPIDPublicKey: s.webPushVAPIDKeys.Public,
}
response.Mutes.CommunityMutes = []*core.Mute{}
response.Mutes.UserMutes = []*core.Mute{}
if r.loggedIn {
if response.User, err = core.GetUser(r.ctx, s.db, *r.viewer, r.viewer); err != nil {
if httperr.IsNotFound(err) {
// Possible deleted user.
// Reset session.
// s.logoutUser(response.User, ses, w, r)
// TODO: Things are weird here.
}
return err
}
if response.BannedFrom, err = response.User.GetBannedFromCommunities(r.ctx); err != nil {
return err
}
if communityMutes, err := core.GetMutedCommunities(r.ctx, s.db, *r.viewer, true); err != nil {
return err
} else if communityMutes != nil {
response.Mutes.CommunityMutes = communityMutes
}
if userMutes, err := core.GetMutedUsers(r.ctx, s.db, *r.viewer, true); err != nil {
return err
} else if userMutes != nil {
response.Mutes.UserMutes = userMutes
}
if lists, err := core.GetUsersLists(r.ctx, s.db, *r.viewer, "", ""); err != nil {
return err
} else if lists != nil {
response.Lists = lists
}
}
if response.ReportReasons, err = core.GetReportReasons(r.ctx, s.db); err != nil && err != sql.ErrNoRows {
return err
}
commsSet := core.CommunitiesSetDefault
if r.loggedIn {
commsSet = core.CommunitiesSetSubscribed
}
if response.Communities, err = core.GetCommunities(r.ctx, s.db, core.CommunitiesSortDefault, commsSet, -1, r.viewer); err != nil && err != sql.ErrNoRows {
return err
}
if response.NoUsers, err = core.CountAllUsers(r.ctx, s.db); err != nil {
return err
}
return w.writeJSON(response)
}
// /api/_login [POST]
func (s *Server) login(w *responseWriter, r *request) error {
if r.loggedIn {
user, err := core.GetUser(r.ctx, s.db, *r.viewer, r.viewer)
if err != nil {
return err
}
action := r.urlQueryParamsValue("action")
if action != "" {
switch action {
case "logout":
if err = s.logoutUser(user, r.ses, w, r.req); err != nil {
return err
}
w.WriteHeader(http.StatusOK)
return nil
default:
return httperr.NewBadRequest("invalid_action", "Unsupported action.")
}
}
return w.writeJSON(user)
}
values, err := r.unmarshalJSONBodyToStringsMap(true)
if err != nil {
return err
}
username := values["username"]
// Important: Passwords values have always been space trimmed (using strings.TrimSpace).
password := values["password"]
// TODO: Require a captcha if user is suspicious looking.
ip := httputil.GetIP(r.req)
if err := s.rateLimit(r, "login_1_"+ip, time.Second, 10); err != nil {
return err
}
if err := s.rateLimit(r, "login_2_"+ip+username, time.Hour, 20); err != nil {
return err
}
user, err := core.MatchLoginCredentials(r.ctx, s.db, username, password)
if err != nil {
return err
}
if err = s.loginUser(user, r.ses, w, r.req); err != nil {
return err
}
return w.writeJSON(user)
}
// /api/_signup [POST]
func (s *Server) signup(w *responseWriter, r *request) error {
if r.loggedIn {
return httperr.NewBadRequest("already_logged_in", "You are already logged in")
}
values, err := r.unmarshalJSONBodyToStringsMap(true)
if err != nil {
return err
}
username := values["username"]
email := values["email"]
password := values["password"]
captchaToken := values["captchaToken"]
// Verify captcha.
if s.config.CaptchaSecret != "" {
if ok, err := hcaptcha.VerifyReCaptcha(s.config.CaptchaSecret, captchaToken); err != nil {
return httperr.NewForbidden("captcha_verify_fail_1", "Captha verification failed.")
} else if !ok {
return httperr.NewForbidden("captcha_verify_fail_2", "Captha verification failed.")
}
}
ip := httputil.GetIP(r.req)
if err := s.rateLimit(r, "signup_1_"+ip, time.Minute, 2); err != nil {
return err
}
if err := s.rateLimit(r, "signup_2_"+ip, time.Hour*6, 10); err != nil {
return err
}
user, err := core.RegisterUser(r.ctx, s.db, username, email, password)
if err != nil {
return err
}
// Try logging in user.
s.loginUser(user, r.ses, w, r.req)
w.WriteHeader(http.StatusCreated)
return w.writeJSON(user)
}
// /api/_user [GET]
func (s *Server) getLoggedInUser(w *responseWriter, r *request) error {
if !r.loggedIn {
return errNotLoggedIn
}
user, err := core.GetUser(r.ctx, s.db, *r.viewer, r.viewer)
if err != nil {
return err
}
if err := user.LoadModdingList(r.ctx); err != nil {
return err
}
return w.writeJSON(user)
}
// /api/notifications [POST]
func (s *Server) updateNotifications(w *responseWriter, r *request) error {
if !r.loggedIn {
return errNotLoggedIn
}
if err := s.rateLimit(r, "update_notifs_1_"+r.viewer.String(), time.Second*1, 5); err != nil {
return err
}
user, err := core.GetUser(r.ctx, s.db, *r.viewer, nil)
if err != nil {
return err
}
query := r.urlQueryParams()
switch query.Get("action") {
case "resetNewCount":
if err = user.ResetNewNotificationsCount(r.ctx); err != nil {
return err
}
case "markAllAsSeen":
if err = user.MarkAllNotificationsAsSeen(r.ctx, core.NotificationType(query.Get("type"))); err != nil {
return err
}
case "deleteAll":
if err = user.DeleteAllNotifications(r.ctx); err != nil {
return err
}
default:
return httperr.NewBadRequest("invalid_action", "Unsupported action.")
}
return w.writeString(`{"success":true}`)
}
// /api/notifications [GET]
func (s *Server) getNotifications(w *responseWriter, r *request) error {
if !r.loggedIn {
return errNotLoggedIn
}
user, err := core.GetUser(r.ctx, s.db, *r.viewer, nil)
if err != nil {
return err
}
res := struct {
Count int `json:"count"`
NewCount int `json:"newCount"`
Items []*core.Notification `json:"items"`
Next string `json:"next"`
}{}
if res.Count, err = core.NotificationsCount(r.ctx, s.db, user.ID); err != nil {
return err
}
res.NewCount = user.NumNewNotifications
query := r.urlQueryParams()
if res.Items, res.Next, err = core.GetNotifications(r.ctx, s.db, user.ID, 10, query.Get("next")); err != nil {
return err
}
return w.writeJSON(res)
}
// /api/notifications/{notificationID} [GET, PUT]
func (s *Server) getNotification(w *responseWriter, r *request) error {
if !r.loggedIn {
return errNotLoggedIn
}
notifID := r.muxVar("notificationID")
notif, err := core.GetNotification(r.ctx, s.db, notifID)
if err != nil {
if err == sql.ErrNoRows {
return httperr.NewNotFound("notif_not_found", "Notification not found.")
}
return err
}
if !notif.UserID.EqualsTo(*r.viewer) {
return httperr.NewForbidden("not_owner", "")
}
query := r.urlQueryParams()
if r.req.Method == "PUT" {
action := query.Get("action")
switch action {
case "markAsSeen":
if err = notif.Saw(r.ctx, query.Get("seen") != "false"); err != nil {
return err
}
if query.Get("seenFrom") == "webpush" {
notif.ResetUserNewNotificationsCount(r.ctx) // attempt
}
default:
return httperr.NewBadRequest("invalid_action", "Unsupported action.")
}
}
return w.writeJSON(notif)
}
// /api/notifications/{notificationID} [DELETE]
func (s *Server) deleteNotification(w *responseWriter, r *request) error {
if !r.loggedIn {
return errNotLoggedIn
}
notifID := r.muxVar("notificationID")
notif, err := core.GetNotification(r.ctx, s.db, notifID)
if err != nil {
if err == sql.ErrNoRows {
return httperr.NewNotFound("notif_not_found", "Notification not found.")
}
return err
}
if !notif.UserID.EqualsTo(*r.viewer) {
return httperr.NewForbidden("not_owner", "")
}
if err = notif.Delete(r.ctx); err != nil {
return err
}
return w.writeJSON(notif)
}
// /api/push_subscriptions [POST]
func (s *Server) pushSubscriptions(w *responseWriter, r *request) error {
if !r.loggedIn {
return errNotLoggedIn
}
var sub webpush.Subscription
if err := r.unmarshalJSONBody(&sub); err != nil {
return err
}
if err := core.SaveWebPushSubscription(r.ctx, s.db, r.ses.ID, *r.viewer, sub); err != nil {
return err
}
return w.writeString(`{"success":true}`)
}
// /api/_settings [POST]
func (s *Server) updateUserSettings(w *responseWriter, r *request) error {
if !r.loggedIn {
return errNotLoggedIn
}
if err := s.rateLimit(r, "update_settings_1_"+r.viewer.String(), time.Second*1, 5); err != nil {
return err
}
if err := s.rateLimit(r, "update_settings_2_"+r.viewer.String(), time.Hour, 100); err != nil {
return err
}
user, err := core.GetUser(r.ctx, s.db, *r.viewer, r.viewer)
if err != nil {
return err
}
query := r.urlQueryParams()
switch query.Get("action") {
case "updateProfile":
if err = r.unmarshalJSONBody(&user); err != nil {
return err
}
if err = user.Update(r.ctx); err != nil {
return err
}
case "changePassword":
values, err := r.unmarshalJSONBodyToStringsMap(true)
if err != nil {
return err
}
password := values["password"]
newPassword := values["newPassword"]
repeatPassword := values["repeatPassword"]
if newPassword != repeatPassword {
return httperr.NewBadRequest("password_not_match", "Passwords do not match.")
}
if err = user.ChangePassword(r.ctx, password, newPassword); err != nil {
return err
}
default:
return httperr.NewBadRequest("invalid_action", "Unsupported action.")
}
return w.writeJSON(user)
}
// /api/users/{username}/pro_pic [POST, DELETE]
func (s *Server) handleUserProPic(w *responseWriter, r *request) error {
if !r.loggedIn {
return errNotLoggedIn
}
user, err := core.GetUserByUsername(r.ctx, s.db, r.muxVar("username"), r.viewer)
if err != nil {
return err
}
// Only the owner of the account and admins can proceed.
if !(user.ID == *r.viewer || user.Admin) {
return httperr.NewForbidden("not_owner", "")
}
if r.req.Method == "POST" {
r.req.Body = http.MaxBytesReader(w, r.req.Body, int64(s.config.MaxImageSize)) // limit max upload size
if err := r.req.ParseMultipartForm(int64(s.config.MaxImageSize)); err != nil {
return httperr.NewBadRequest("file_size_exceeded", "Max file size exceeded.")
}
file, _, err := r.req.FormFile("image")
if err != nil {
return err
}
defer file.Close()
data, err := io.ReadAll(file)
if err != nil {
return err
}
if err := user.UpdateProPic(r.ctx, data); err != nil {
return err
}
} else if r.req.Method == "DELETE" {
if err := user.DeleteProPic(r.ctx); err != nil {
return err
}
}
return w.writeJSON(user)
}
// /api/users/{username}/badges/{badgeId}[?byType=false] [DELETE]
func (s *Server) deleteBadge(w *responseWriter, r *request) error {
if !r.loggedIn {
return errNotLoggedIn
}
admin, err := core.GetUser(r.ctx, s.db, *r.viewer, nil)
if err != nil {
return err
}
if !admin.Admin {
return httperr.NewForbidden("not_admin", "Not admin.")
}
muxVars := mux.Vars(r.req)
badgeID, username := muxVars["badgeId"], muxVars["username"]
user, err := core.GetUserByUsername(r.ctx, s.db, username, nil)
if err != nil {
return err
}
byType := strings.ToLower(r.urlQueryParamsValue("byType")) == "true"
if byType {
if err = user.RemoveBadgesByType(badgeID); err != nil {
return err
}
} else {
intID, err := strconv.Atoi(badgeID)
if err != nil {
return httperr.NewBadRequest("bad_badge_id", "Bad badge id.")
}
if err := user.RemoveBadge(intID); err != nil {
return err
}
}
return w.writeString(`{"success":true}`)
}
// /api/users/{username}/badges [POST]
func (s *Server) addBadge(w *responseWriter, r *request) error {
if !r.loggedIn {
return errNotLoggedIn
}
admin, err := core.GetUser(r.ctx, s.db, *r.viewer, nil)
if err != nil {
return err
}
if !admin.Admin {
return httperr.NewForbidden("not_admin", "User not admin.")
}
username := r.muxVar("username")
user, err := core.GetUserByUsername(r.ctx, s.db, username, nil)
if err != nil {
return err
}
reqBody := struct {
BadgeType string `json:"type"`
}{}
if err = r.unmarshalJSONBody(&reqBody); err != nil {
return err
}
if err := user.AddBadge(r.ctx, reqBody.BadgeType); err != nil {
return err
}
return w.writeJSON(user.Badges)
}