From 9b57bd9e214a6f9309c86e21e477f9f66d243cbf Mon Sep 17 00:00:00 2001
From: zubiden <19638254+zubiden@users.noreply.github.com>
Date: Tue, 21 Jan 2025 18:20:51 +0100
Subject: [PATCH] Deeplink: Fix `tg://` links on Chrome <130 (#5444)

---
 src/util/deepLinkParser.ts    | 5 +++--
 src/util/deeplink.ts          | 5 ++++-
 src/util/windowEnvironment.ts | 2 ++
 3 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/src/util/deepLinkParser.ts b/src/util/deepLinkParser.ts
index 3fe62b714..af8c0f669 100644
--- a/src/util/deepLinkParser.ts
+++ b/src/util/deepLinkParser.ts
@@ -4,6 +4,7 @@ import { RE_TG_LINK, RE_TME_LINK } from '../config';
 import { toChannelId } from '../global/helpers';
 import { ensureProtocol } from './ensureProtocol';
 import { isUsernameValid } from './username';
+import { IS_BAD_URL_PARSER } from './windowEnvironment';
 
 export type DeepLinkMethod = 'resolve' | 'login' | 'passport' | 'settings' | 'join' | 'addstickers' | 'addemoji' |
 'setlanguage' | 'addtheme' | 'confirmphone' | 'socks' | 'proxy' | 'privatepost' | 'bg' | 'share' | 'msg' | 'msg_url' |
@@ -148,8 +149,8 @@ function parseDeepLink(url: string) {
     return parseHttpLink(urlParsed);
   }
   if (correctUrl.startsWith('tg:')) {
-    // Chrome parse url with tg: protocol incorrectly
-    const urlParsed = new URL(correctUrl.replace(/^tg:/, 'http:'));
+    const urlToParse = IS_BAD_URL_PARSER ? correctUrl.replace(/^tg:\/\//, 'https://') : correctUrl;
+    const urlParsed = new URL(urlToParse);
     return parseTgLink(urlParsed);
   }
   return undefined;
diff --git a/src/util/deeplink.ts b/src/util/deeplink.ts
index f40ec7a08..1f6597895 100644
--- a/src/util/deeplink.ts
+++ b/src/util/deeplink.ts
@@ -6,6 +6,7 @@ import type { DeepLinkMethod, PrivateMessageLink } from './deepLinkParser';
 import { API_CHAT_TYPES, RE_TG_LINK } from '../config';
 import { toChannelId } from '../global/helpers';
 import { tryParseDeepLink } from './deepLinkParser';
+import { IS_BAD_URL_PARSER } from './windowEnvironment';
 
 export const processDeepLink = (url: string): boolean => {
   const actions = getActions();
@@ -74,9 +75,11 @@ export const processDeepLink = (url: string): boolean => {
     return false;
   }
 
+  const urlToParse = IS_BAD_URL_PARSER ? url.replace(/^tg:\/\//, 'https://') : url;
+
   const {
     protocol, searchParams, hostname,
-  } = new URL(url);
+  } = new URL(urlToParse);
 
   if (protocol !== 'tg:') return false;
 
diff --git a/src/util/windowEnvironment.ts b/src/util/windowEnvironment.ts
index 4b0bb463e..5e1e9229d 100644
--- a/src/util/windowEnvironment.ts
+++ b/src/util/windowEnvironment.ts
@@ -108,6 +108,8 @@ export const IS_OPEN_IN_NEW_TAB_SUPPORTED = IS_MULTITAB_SUPPORTED && !(IS_PWA &&
 export const IS_TRANSLATION_SUPPORTED = !IS_TEST;
 export const IS_INTL_LIST_FORMAT_SUPPORTED = 'ListFormat' in Intl;
 
+export const IS_BAD_URL_PARSER = new URL('tg://host').host !== 'host';
+
 export const MESSAGE_LIST_SENSITIVE_AREA = 750;
 
 export const SCROLLBAR_WIDTH = (() => {