Payment: Support closing form by event from t.me (#1983)

src/api/gramjs/methods/chats.ts

@@ -1206,11 +1206,11 @@ function preparePeers(
 ) {
   const store: Record<string, GramJs.TypeChat | GramJs.TypeUser> = {};
 
-  result.chats.forEach((chat) => {
+  result.chats?.forEach((chat) => {
     store[`chat${chat.id}`] = chat;
   });
 
-  result.users.forEach((user) => {
+  result.users?.forEach((user) => {
     store[`user${user.id}`] = user;
   });
 

src/components/common/UsernameInput.tsx

@@ -4,6 +4,7 @@ import React, {
   useState, useCallback, memo, useEffect, useMemo,
 } from '../../lib/teact/teact';
 
+import { TME_LINK_PREFIX } from '../../config';
 import { debounce } from '../../util/schedulers';
 import useLang from '../../hooks/useLang';
 
@@ -20,7 +21,6 @@ type OwnProps = {
 
 const MIN_USERNAME_LENGTH = 5;
 const MAX_USERNAME_LENGTH = 32;
-const LINK_PREFIX = 'https://t.me/';
 const LINK_PREFIX_REGEX = /https:\/\/t\.me\/?/i;
 const USERNAME_REGEX = /^([a-zA-Z0-9_]+)$/;
 
@@ -79,7 +79,7 @@ const SettingsEditProfile: FC<OwnProps> = ({
   const handleUsernameChange = useCallback((e: ChangeEvent<HTMLInputElement>) => {
     const newUsername = e.target.value.trim().replace(LINK_PREFIX_REGEX, '');
     setUsername(newUsername);
-    e.target.value = `${asLink ? LINK_PREFIX : ''}${newUsername}`;
+    e.target.value = `${asLink ? TME_LINK_PREFIX : ''}${newUsername}`;
 
     const isValid = isUsernameValid(newUsername);
 
@@ -96,7 +96,7 @@ const SettingsEditProfile: FC<OwnProps> = ({
 
   return (
     <InputText
-      value={`${asLink ? LINK_PREFIX : ''}${username}`}
+      value={`${asLink ? TME_LINK_PREFIX : ''}${username}`}
       onChange={handleUsernameChange}
       label={label}
       error={usernameError}

src/components/left/main/LeftMainHeader.tsx

@@ -15,6 +15,7 @@ import {
   FEEDBACK_URL,
   IS_BETA,
   IS_TEST,
+  PRODUCTION_HOSTNAME,
 } from '../../../config';
 import { IS_PWA, IS_SINGLE_COLUMN_LAYOUT } from '../../../util/environment';
 import buildClassName from '../../../util/buildClassName';
@@ -70,7 +71,6 @@ type StateProps =
   }
   & Pick<GlobalState, 'connectionState' | 'isSyncing' | 'canInstall'>;
 
-const PRODUCTION_HOSTNAME = 'web.telegram.org';
 const LEGACY_VERSION_URL = 'https://web.telegram.org/?legacy=1';
 const WEBK_VERSION_URL = 'https://web.telegram.org/k/';
 

src/components/main/WebAppModal.tsx

@@ -10,6 +10,7 @@ import type { ThemeKey } from '../../types';
 
 import windowSize from '../../util/windowSize';
 import { IS_SINGLE_COLUMN_LAYOUT } from '../../util/environment';
+import { TME_LINK_PREFIX } from '../../config';
 import { selectCurrentChat, selectTheme, selectUser } from '../../global/selectors';
 import buildClassName from '../../util/buildClassName';
 import { extractCurrentThemeParams, validateHexColor } from '../../util/themeStyle';
@@ -54,7 +55,6 @@ type StateProps = {
 const MAIN_BUTTON_ANIMATION_TIME = 250;
 const PROLONG_INTERVAL = 45000; // 45s
 const ANIMATION_WAIT = 400;
-const LINK_PREFIX = 'https://t.me/';
 const SANDBOX_ATTRIBUTES = [
   'allow-scripts',
   'allow-same-origin',
@@ -110,7 +110,7 @@ const WebAppModal: FC<OwnProps & StateProps> = ({
     }
 
     if (eventType === 'web_app_open_tg_link') {
-      const linkUrl = LINK_PREFIX + eventData.path_full;
+      const linkUrl = TME_LINK_PREFIX + eventData.path_full;
       openTelegramLink({ url: linkUrl });
       closeWebApp();
     }

src/components/main/premium/PremiumMainModal.tsx

@@ -12,6 +12,7 @@ import PremiumFeatureModal, {
   PREMIUM_FEATURE_SECTIONS,
   PREMIUM_FEATURE_TITLES,
 } from './PremiumFeatureModal';
+import { TME_LINK_PREFIX } from '../../../config';
 import { formatCurrency } from '../../../util/formatCurrency';
 import buildClassName from '../../../util/buildClassName';
 import { selectIsCurrentUserPremium, selectUser } from '../../../global/selectors';
@@ -77,8 +78,6 @@ type StateProps = {
   premiumBotUsername?: string;
 };
 
-const LINK_PREFIX = 'https://t.me/';
-
 const PremiumMainModal: FC<OwnProps & StateProps> = ({
   isOpen,
   fromUser,
@@ -127,7 +126,7 @@ const PremiumMainModal: FC<OwnProps & StateProps> = ({
       });
     } else if (premiumBotUsername) {
       openTelegramLink({
-        url: `${LINK_PREFIX}${premiumBotUsername}?start=${startParam || 'promo'}`,
+        url: `${TME_LINK_PREFIX}${premiumBotUsername}?start=${startParam || 'promo'}`,
       });
       closePremiumModal();
     }

src/components/middle/message/ContextMenuContainer.tsx

@@ -20,7 +20,7 @@ import {
   isActionMessage, isChatChannel,
   isChatGroup, isOwnMessage, areReactionsEmpty, isUserId, isMessageLocal, getMessageVideo,
 } from '../../../global/helpers';
-import { SERVICE_NOTIFICATIONS_USER_ID } from '../../../config';
+import { SERVICE_NOTIFICATIONS_USER_ID, TME_LINK_PREFIX } from '../../../config';
 import { getDayStartAt } from '../../../util/dateFormat';
 import buildClassName from '../../../util/buildClassName';
 import { REM } from '../../common/helpers/mediaDimensions';
@@ -326,7 +326,7 @@ const ContextMenuContainer: FC<OwnProps & StateProps> = ({
   }, [closeMenu, copyMessagesByIds]);
 
   const handleCopyLink = useCallback(() => {
-    copyTextToClipboard(`https://t.me/${chatUsername || `c/${message.chatId.replace('-', '')}`}/${message.id}`);
+    copyTextToClipboard(`${TME_LINK_PREFIX}${chatUsername || `c/${message.chatId.replace('-', '')}`}/${message.id}`);
     closeMenu();
   }, [chatUsername, closeMenu, message]);
 

src/components/payment/ConfirmPayment.tsx

@@ -1,6 +1,9 @@
-import type { FC } from '../../lib/teact/teact';
-import React, { memo } from '../../lib/teact/teact';
+import React, { memo, useCallback, useEffect } from '../../lib/teact/teact';
+import { getActions } from '../../global';
 
+import type { FC } from '../../lib/teact/teact';
+
+import { TME_LINK_PREFIX } from '../../config';
 import useLang from '../../hooks/useLang';
 
 import './ConfirmPayment.scss';
@@ -9,16 +12,47 @@ export type OwnProps = {
   url: string;
 };
 
+interface IframeCallbackEvent {
+  eventType: string;
+  eventData: {
+    path_full: string;
+  };
+}
+
 const ConfirmPayment: FC<OwnProps> = ({ url }) => {
+  const { closePaymentModal, openTelegramLink } = getActions();
+
   const lang = useLang();
 
+  const handleMessage = useCallback((event: MessageEvent<string>) => {
+    try {
+      const data = JSON.parse(event.data) as IframeCallbackEvent;
+      const { eventType, eventData } = data;
+
+      if (eventType !== 'web_app_open_tg_link') {
+        return;
+      }
+
+      const linkUrl = TME_LINK_PREFIX + eventData.path_full;
+      openTelegramLink({ url: linkUrl });
+      closePaymentModal();
+    } catch (err) {
+      // Ignore other messages
+    }
+  }, [closePaymentModal, openTelegramLink]);
+
+  useEffect(() => {
+    window.addEventListener('message', handleMessage);
+    return () => window.removeEventListener('message', handleMessage);
+  }, [handleMessage]);
+
   return (
     <div className="ConfirmPayment">
       <iframe
         src={url}
         title={lang('Checkout.WebConfirmation.Title')}
         allow="payment"
-        sandbox="allow-forms allow-scripts allow-same-origin allow-top-navigation"
+        sandbox="allow-modals allow-forms allow-scripts allow-same-origin allow-top-navigation"
         className="ConfirmPayment__content"
       />
     </div>

src/config.ts

@@ -3,6 +3,8 @@ import type { ApiLimitType } from './global/types';
 export const APP_NAME = process.env.APP_NAME || 'Telegram WebZ';
 export const APP_VERSION = process.env.APP_VERSION!;
 
+export const PRODUCTION_HOSTNAME = 'web.telegram.org';
+
 export const DEBUG = process.env.APP_ENV !== 'production';
 export const DEBUG_MORE = false;
 
@@ -191,6 +193,7 @@ export const RE_MENTION_TEMPLATE = '(@[\\w\\d_-]+)';
 export const RE_TG_LINK = /^tg:(\/\/)?([?=&\d\w_-]+)?/gm;
 export const RE_TME_LINK = /^(?:https?:\/\/)?(?:t\.me\/)/gm;
 export const RE_TELEGRAM_LINK = /^(?:https?:\/\/)?(?:telegram\.org\/)/gm;
+export const TME_LINK_PREFIX = 'https://t.me/';
 
 // eslint-disable-next-line max-len
 export const COUNTRIES_WITH_12H_TIME_FORMAT = new Set(['AU', 'BD', 'CA', 'CO', 'EG', 'HN', 'IE', 'IN', 'JO', 'MX', 'MY', 'NI', 'NZ', 'PH', 'PK', 'SA', 'SV', 'US']);

src/global/actions/apiUpdaters/payments.ts

@@ -1,5 +1,6 @@
 import { addActionHandler } from '../../index';
 
+import { IS_PRODUCTION_HOST } from '../../../util/environment';
 import { clearPayment } from '../../reducers';
 
 addActionHandler('apiUpdate', (global, actions, update) => {
@@ -9,7 +10,13 @@ addActionHandler('apiUpdate', (global, actions, update) => {
       if (update.slug && inputInvoice && 'slug' in inputInvoice && inputInvoice.slug !== update.slug) {
         return undefined;
       }
-      global = clearPayment(global);
+
+      // On the production host, the payment frame receives a message with the payment event,
+      // after which the payment form closes. In other cases, the payment form must be closed manually.
+      if (!IS_PRODUCTION_HOST) {
+        global = clearPayment(global);
+      }
+
       return {
         ...global,
         payment: {

src/global/helpers/chats.ts

@@ -12,7 +12,7 @@ import {
 import type { NotifyException, NotifySettings } from '../../types';
 import type { LangFn } from '../../hooks/useLang';
 
-import { ARCHIVED_FOLDER_ID, REPLIES_USER_ID } from '../../config';
+import { ARCHIVED_FOLDER_ID, REPLIES_USER_ID, TME_LINK_PREFIX } from '../../config';
 import { orderBy } from '../../util/iteratees';
 import { getUserFirstOrLastName } from './users';
 import { formatDateToString, formatTime } from '../../util/dateFormat';
@@ -96,7 +96,7 @@ export function getChatDescription(chat: ApiChat) {
 export function getChatLink(chat: ApiChat) {
   const { username } = chat;
   if (username) {
-    return `https://t.me/${username}`;
+    return `${TME_LINK_PREFIX}${username}`;
   }
 
   const { inviteLink } = chat.fullInfo || {};

src/util/environment.ts

@@ -7,6 +7,7 @@ import {
   SUPPORTED_VIDEO_CONTENT_TYPES,
   VIDEO_MOV_TYPE,
   CONTENT_TYPES_WITH_PREVIEW,
+  PRODUCTION_HOSTNAME,
 } from '../config';
 
 export * from './environmentWebp';
@@ -35,6 +36,7 @@ export function getPlatform() {
   return os;
 }
 
+export const IS_PRODUCTION_HOST = window.location.host === PRODUCTION_HOSTNAME;
 export const PLATFORM_ENV = getPlatform();
 export const IS_MAC_OS = PLATFORM_ENV === 'macOS';
 export const IS_IOS = PLATFORM_ENV === 'iOS';