fix: prevent mobile to desktop version redirect (#64)

Co-authored-by: Arnaud Ligny <arnaud@ligny.org>
ArnaudLigny · Nov 9, 2023 · dbc3198 · dbc3198
1 parent 5ee3395
commit dbc3198
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Showing 3 changed files with 22 additions and 2 deletions.
diff --git a/package.json b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "f-notifier",
-  "version": "2.8.2",
+  "version": "2.8.3",
   "description": "Displays your Facebook notifications unread count.",
   "homepage": "https://dev.ligny.org/F-Notifier",
   "author": "Arnaud Ligny",

diff --git a/src/background.js b/src/background.js
@@ -140,10 +140,28 @@ function openFacebookHomeInTab(tab) {
   });
 }
 
+function rewriteUserAgentHeader(event) {
+  for (const header of event.requestHeaders) {
+    if (header.name.toLowerCase() === 'user-agent') {
+      // Prevent mobile to desktop version redirect
+      header.value = header.value.replace(/\schrome\/[\d.]+/i, '$& Mobile').replace(/;\s*rv:[\d.]+/i, '; Mobile$&');
+    }
+  }
+
+  return {requestHeaders: event.requestHeaders};
+}
+
 /**
  * Events
  */
 
+// Chrome request
+chrome.webRequest.onBeforeSendHeaders.addListener(
+  rewriteUserAgentHeader,
+  {urls: [FETCH_URL]},
+  ['blocking', 'requestHeaders'],
+);
+
 // Chrome alarm
 chrome.alarms.create({delayInMinutes: 1, periodInMinutes: 1});
 chrome.alarms.onAlarm.addListener(updateBadge);

diff --git a/src/manifest.json b/src/manifest.json
@@ -1,6 +1,6 @@
 {
   "name": "__MSG_extName__",
-  "version": "2.8.2",
+  "version": "2.8.3",
   "description": "__MSG_extDescription__",
   "homepage_url": "https://dev.ligny.org/F-Notifier",
   "author": "Arnaud Ligny",
@@ -13,6 +13,8 @@
   "permissions": [
     "alarms",
     "tabs",
+    "webRequest",
+    "webRequestBlocking",
     "https://m.facebook.com/"
   ],
   "background": {