package server import ( "encoding/json" "heckel.io/ntfy/log" "heckel.io/ntfy/user" "heckel.io/ntfy/util" "net/http" "strings" "time" ) const ( subscriptionIDLength = 16 subscriptionIDPrefix = "su_" syncTopicAccountSyncEvent = "sync" tokenExpiryDuration = 72 * time.Hour // Extend tokens by this much ) func (s *Server) handleAccountCreate(w http.ResponseWriter, r *http.Request, v *visitor) error { admin := v.user != nil && v.user.Role == user.RoleAdmin if !admin { if !s.config.EnableSignup { return errHTTPBadRequestSignupNotEnabled } else if v.user != nil { return errHTTPUnauthorized // Cannot create account from user context } if !v.AccountCreationAllowed() { return errHTTPTooManyRequestsLimitAccountCreation } } newAccount, err := readJSONWithLimit[apiAccountCreateRequest](r.Body, jsonBodyBytesLimit, false) if err != nil { return err } if existingUser, _ := s.userManager.User(newAccount.Username); existingUser != nil { return errHTTPConflictUserExists } if err := s.userManager.AddUser(newAccount.Username, newAccount.Password, user.RoleUser); err != nil { // TODO this should return a User return err } return s.writeJSON(w, newSuccessResponse()) } func (s *Server) handleAccountGet(w http.ResponseWriter, _ *http.Request, v *visitor) error { info, err := v.Info() if err != nil { return err } limits, stats := info.Limits, info.Stats response := &apiAccountResponse{ Limits: &apiAccountLimits{ Basis: string(limits.Basis), Messages: limits.MessageLimit, MessagesExpiryDuration: int64(limits.MessageExpiryDuration.Seconds()), Emails: limits.EmailLimit, Reservations: limits.ReservationsLimit, AttachmentTotalSize: limits.AttachmentTotalSizeLimit, AttachmentFileSize: limits.AttachmentFileSizeLimit, AttachmentExpiryDuration: int64(limits.AttachmentExpiryDuration.Seconds()), AttachmentBandwidth: limits.AttachmentBandwidthLimit, }, Stats: &apiAccountStats{ Messages: stats.Messages, MessagesRemaining: stats.MessagesRemaining, Emails: stats.Emails, EmailsRemaining: stats.EmailsRemaining, Reservations: stats.Reservations, ReservationsRemaining: stats.ReservationsRemaining, AttachmentTotalSize: stats.AttachmentTotalSize, AttachmentTotalSizeRemaining: stats.AttachmentTotalSizeRemaining, }, } u := v.User() if u != nil { response.Username = u.Name response.Role = string(u.Role) response.SyncTopic = u.SyncTopic if u.Prefs != nil { if u.Prefs.Language != nil { response.Language = *u.Prefs.Language } if u.Prefs.Notification != nil { response.Notification = u.Prefs.Notification } if u.Prefs.Subscriptions != nil { response.Subscriptions = u.Prefs.Subscriptions } } if u.Tier != nil { response.Tier = &apiAccountTier{ Code: u.Tier.Code, Name: u.Tier.Name, } } if u.Billing.StripeCustomerID != "" { response.Billing = &apiAccountBilling{ Customer: true, Subscription: u.Billing.StripeSubscriptionID != "", Status: string(u.Billing.StripeSubscriptionStatus), PaidUntil: u.Billing.StripeSubscriptionPaidUntil.Unix(), CancelAt: u.Billing.StripeSubscriptionCancelAt.Unix(), } } reservations, err := s.userManager.Reservations(u.Name) if err != nil { return err } if len(reservations) > 0 { response.Reservations = make([]*apiAccountReservation, 0) for _, r := range reservations { response.Reservations = append(response.Reservations, &apiAccountReservation{ Topic: r.Topic, Everyone: r.Everyone.String(), }) } } tokens, err := s.userManager.Tokens(u.ID) if err != nil { return err } if len(tokens) > 0 { response.Tokens = make([]*apiAccountTokenResponse, 0) for _, t := range tokens { response.Tokens = append(response.Tokens, &apiAccountTokenResponse{ Token: t.Value, Label: t.Label, Expires: t.Expires.Unix(), }) } } } else { response.Username = user.Everyone response.Role = string(user.RoleAnonymous) } return s.writeJSON(w, response) } func (s *Server) handleAccountDelete(w http.ResponseWriter, r *http.Request, v *visitor) error { req, err := readJSONWithLimit[apiAccountDeleteRequest](r.Body, jsonBodyBytesLimit, false) if err != nil { return err } else if req.Password == "" { return errHTTPBadRequest } if _, err := s.userManager.Authenticate(v.user.Name, req.Password); err != nil { return errHTTPBadRequestIncorrectPasswordConfirmation } if v.user.Billing.StripeSubscriptionID != "" { log.Info("%s Canceling billing subscription %s", logHTTPPrefix(v, r), v.user.Billing.StripeSubscriptionID) if _, err := s.stripe.CancelSubscription(v.user.Billing.StripeSubscriptionID); err != nil { return err } } if err := s.maybeRemoveMessagesAndExcessReservations(logHTTPPrefix(v, r), v.user, 0); err != nil { return err } log.Info("%s Marking user %s as deleted", logHTTPPrefix(v, r), v.user.Name) if err := s.userManager.MarkUserRemoved(v.user); err != nil { return err } return s.writeJSON(w, newSuccessResponse()) } func (s *Server) handleAccountPasswordChange(w http.ResponseWriter, r *http.Request, v *visitor) error { req, err := readJSONWithLimit[apiAccountPasswordChangeRequest](r.Body, jsonBodyBytesLimit, false) if err != nil { return err } else if req.Password == "" || req.NewPassword == "" { return errHTTPBadRequest } if _, err := s.userManager.Authenticate(v.user.Name, req.Password); err != nil { return errHTTPBadRequestIncorrectPasswordConfirmation } if err := s.userManager.ChangePassword(v.user.Name, req.NewPassword); err != nil { return err } return s.writeJSON(w, newSuccessResponse()) } func (s *Server) handleAccountTokenCreate(w http.ResponseWriter, r *http.Request, v *visitor) error { // TODO rate limit req, err := readJSONWithLimit[apiAccountTokenIssueRequest](r.Body, jsonBodyBytesLimit, true) // Allow empty body! if err != nil { return err } var label string if req.Label != nil { label = *req.Label } expires := time.Now().Add(tokenExpiryDuration) if req.Expires != nil { expires = time.Unix(*req.Expires, 0) } token, err := s.userManager.CreateToken(v.User().ID, label, expires) if err != nil { return err } response := &apiAccountTokenResponse{ Token: token.Value, Label: token.Label, Expires: token.Expires.Unix(), } return s.writeJSON(w, response) } func (s *Server) handleAccountTokenUpdate(w http.ResponseWriter, r *http.Request, v *visitor) error { // TODO rate limit u := v.User() req, err := readJSONWithLimit[apiAccountTokenUpdateRequest](r.Body, jsonBodyBytesLimit, true) // Allow empty body! if err != nil { return err } else if req.Token == "" { req.Token = u.Token if req.Token == "" { return errHTTPBadRequestNoTokenProvided } } var expires *time.Time if req.Expires != nil { expires = util.Time(time.Unix(*req.Expires, 0)) } else if req.Label == nil { // If label and expires are not set, simply extend the token by 72 hours expires = util.Time(time.Now().Add(tokenExpiryDuration)) } token, err := s.userManager.ChangeToken(u.ID, req.Token, req.Label, expires) if err != nil { return err } response := &apiAccountTokenResponse{ Token: token.Value, Label: token.Label, Expires: token.Expires.Unix(), } return s.writeJSON(w, response) } func (s *Server) handleAccountTokenDelete(w http.ResponseWriter, r *http.Request, v *visitor) error { // TODO rate limit u := v.User() token := readParam(r, "X-Token", "Token") // DELETEs cannot have a body, and we don't want it in the path if token == "" { token = u.Token if token == "" { return errHTTPBadRequestNoTokenProvided } } if err := s.userManager.RemoveToken(u.ID, token); err != nil { return err } return s.writeJSON(w, newSuccessResponse()) } func (s *Server) handleAccountSettingsChange(w http.ResponseWriter, r *http.Request, v *visitor) error { newPrefs, err := readJSONWithLimit[user.Prefs](r.Body, jsonBodyBytesLimit, false) if err != nil { return err } if v.user.Prefs == nil { v.user.Prefs = &user.Prefs{} } prefs := v.user.Prefs if newPrefs.Language != nil { prefs.Language = newPrefs.Language } if newPrefs.Notification != nil { if prefs.Notification == nil { prefs.Notification = &user.NotificationPrefs{} } if newPrefs.Notification.DeleteAfter != nil { prefs.Notification.DeleteAfter = newPrefs.Notification.DeleteAfter } if newPrefs.Notification.Sound != nil { prefs.Notification.Sound = newPrefs.Notification.Sound } if newPrefs.Notification.MinPriority != nil { prefs.Notification.MinPriority = newPrefs.Notification.MinPriority } } if err := s.userManager.ChangeSettings(v.user); err != nil { return err } return s.writeJSON(w, newSuccessResponse()) } func (s *Server) handleAccountSubscriptionAdd(w http.ResponseWriter, r *http.Request, v *visitor) error { newSubscription, err := readJSONWithLimit[user.Subscription](r.Body, jsonBodyBytesLimit, false) if err != nil { return err } if v.user.Prefs == nil { v.user.Prefs = &user.Prefs{} } newSubscription.ID = "" // Client cannot set ID for _, subscription := range v.user.Prefs.Subscriptions { if newSubscription.BaseURL == subscription.BaseURL && newSubscription.Topic == subscription.Topic { newSubscription = subscription break } } if newSubscription.ID == "" { newSubscription.ID = util.RandomStringPrefix(subscriptionIDPrefix, subscriptionIDLength) v.user.Prefs.Subscriptions = append(v.user.Prefs.Subscriptions, newSubscription) if err := s.userManager.ChangeSettings(v.user); err != nil { return err } } return s.writeJSON(w, newSubscription) } func (s *Server) handleAccountSubscriptionChange(w http.ResponseWriter, r *http.Request, v *visitor) error { matches := apiAccountSubscriptionSingleRegex.FindStringSubmatch(r.URL.Path) if len(matches) != 2 { return errHTTPInternalErrorInvalidPath } subscriptionID := matches[1] updatedSubscription, err := readJSONWithLimit[user.Subscription](r.Body, jsonBodyBytesLimit, false) if err != nil { return err } if v.user.Prefs == nil || v.user.Prefs.Subscriptions == nil { return errHTTPNotFound } var subscription *user.Subscription for _, sub := range v.user.Prefs.Subscriptions { if sub.ID == subscriptionID { sub.DisplayName = updatedSubscription.DisplayName subscription = sub break } } if subscription == nil { return errHTTPNotFound } if err := s.userManager.ChangeSettings(v.user); err != nil { return err } return s.writeJSON(w, subscription) } func (s *Server) handleAccountSubscriptionDelete(w http.ResponseWriter, r *http.Request, v *visitor) error { matches := apiAccountSubscriptionSingleRegex.FindStringSubmatch(r.URL.Path) if len(matches) != 2 { return errHTTPInternalErrorInvalidPath } subscriptionID := matches[1] if v.user.Prefs == nil || v.user.Prefs.Subscriptions == nil { return nil } newSubscriptions := make([]*user.Subscription, 0) for _, subscription := range v.user.Prefs.Subscriptions { if subscription.ID != subscriptionID { newSubscriptions = append(newSubscriptions, subscription) } } if len(newSubscriptions) < len(v.user.Prefs.Subscriptions) { v.user.Prefs.Subscriptions = newSubscriptions if err := s.userManager.ChangeSettings(v.user); err != nil { return err } } return s.writeJSON(w, newSuccessResponse()) } func (s *Server) handleAccountReservationAdd(w http.ResponseWriter, r *http.Request, v *visitor) error { if v.user != nil && v.user.Role == user.RoleAdmin { return errHTTPBadRequestMakesNoSenseForAdmin } req, err := readJSONWithLimit[apiAccountReservationRequest](r.Body, jsonBodyBytesLimit, false) if err != nil { return err } if !topicRegex.MatchString(req.Topic) { return errHTTPBadRequestTopicInvalid } everyone, err := user.ParsePermission(req.Everyone) if err != nil { return errHTTPBadRequestPermissionInvalid } if v.user.Tier == nil { return errHTTPUnauthorized } // CHeck if we are allowed to reserve this topic if err := s.userManager.CheckAllowAccess(v.user.Name, req.Topic); err != nil { return errHTTPConflictTopicReserved } hasReservation, err := s.userManager.HasReservation(v.user.Name, req.Topic) if err != nil { return err } if !hasReservation { reservations, err := s.userManager.ReservationsCount(v.user.Name) if err != nil { return err } else if reservations >= v.user.Tier.ReservationLimit { return errHTTPTooManyRequestsLimitReservations } } // Actually add the reservation if err := s.userManager.AddReservation(v.user.Name, req.Topic, everyone); err != nil { return err } // Kill existing subscribers t, err := s.topicFromID(req.Topic) if err != nil { return err } t.CancelSubscribers(v.user.ID) return s.writeJSON(w, newSuccessResponse()) } func (s *Server) handleAccountReservationDelete(w http.ResponseWriter, r *http.Request, v *visitor) error { matches := apiAccountReservationSingleRegex.FindStringSubmatch(r.URL.Path) if len(matches) != 2 { return errHTTPInternalErrorInvalidPath } topic := matches[1] if !topicRegex.MatchString(topic) { return errHTTPBadRequestTopicInvalid } authorized, err := s.userManager.HasReservation(v.user.Name, topic) if err != nil { return err } else if !authorized { return errHTTPUnauthorized } if err := s.userManager.RemoveReservations(v.user.Name, topic); err != nil { return err } return s.writeJSON(w, newSuccessResponse()) } // maybeRemoveMessagesAndExcessReservations deletes topic reservations for the given user (if too many for tier), // and marks associated messages for the topics as deleted. This also eventually deletes attachments. // The process relies on the manager to perform the actual deletions (see runManager). func (s *Server) maybeRemoveMessagesAndExcessReservations(logPrefix string, u *user.User, reservationsLimit int64) error { reservations, err := s.userManager.Reservations(u.Name) if err != nil { return err } else if int64(len(reservations)) <= reservationsLimit { return nil } topics := make([]string, 0) for i := int64(len(reservations)) - 1; i >= reservationsLimit; i-- { topics = append(topics, reservations[i].Topic) } log.Info("%s Removing excess reservations for topics %s", logPrefix, strings.Join(topics, ", ")) if err := s.userManager.RemoveReservations(u.Name, topics...); err != nil { return err } if err := s.messageCache.ExpireMessages(topics...); err != nil { return err } return nil } func (s *Server) publishSyncEvent(v *visitor) error { if v.user == nil || v.user.SyncTopic == "" { return nil } log.Trace("Publishing sync event to user %s's sync topic %s", v.user.Name, v.user.SyncTopic) syncTopic, err := s.topicFromID(v.user.SyncTopic) if err != nil { return err } messageBytes, err := json.Marshal(&apiAccountSyncTopicResponse{Event: syncTopicAccountSyncEvent}) if err != nil { return err } m := newDefaultMessage(syncTopic.ID, string(messageBytes)) if err := syncTopic.Publish(v, m); err != nil { return err } return nil } func (s *Server) publishSyncEventAsync(v *visitor) { go func() { u := v.User() if u == nil || u.SyncTopic == "" { return } if err := s.publishSyncEvent(v); err != nil { log.Trace("Error publishing to user %s's sync topic %s: %s", u.Name, u.SyncTopic, err.Error()) } }() }