feat(tazjin/nittredir): Add Chrome extension to redirect to Nitter r/2136

There is another extension for this already, but it hooks in after the
page has already started loading - doing it on the URL change handler
is much faster.

Change-Id: I442552cbd8bb040df999a1624cafd436f4a7b875
Reviewed-on: https://cl.tvl.fyi/c/depot/+/2430
Reviewed-by: tazjin <mail@tazj.in>
Tested-by: BuildkiteCI

2 files changed, 25 insertions, 0 deletions

diff --git a/users/tazjin/nittredir/background.js b/users/tazjin/nittredir/background.js
new file mode 100644
index 000000000000..8d07f8528520
--- /dev/null
+++ b/users/tazjin/nittredir/background.js
@@ -0,0 +1,10 @@
+/**
+ * Register a URL change handler that redirects twitter.com links to nitter.net
+ */
+
+chrome.webRequest.onBeforeRequest.addListener(function(details) {
+  let url = new URL(details.url);
+  return {
+    redirectUrl: ('https://nitter.net' + url.pathname)
+  };
+}, {urls: ['*://twitter.com/*'], types: ['main_frame']}, ['blocking']);
diff --git a/users/tazjin/nittredir/manifest.json b/users/tazjin/nittredir/manifest.json
new file mode 100644
index 000000000000..4efe1a6cc245
--- /dev/null
+++ b/users/tazjin/nittredir/manifest.json
@@ -0,0 +1,15 @@
+{
+  "manifest_version": 2,
+  "name": "nittredir",
+  "version": "1.0",
+  "description": "Redirect twitter.com to nitter.net",
+  "background": {
+    "scripts": ["background.js"],
+    "persistent": true
+  },
+  "permissions": [
+    "webRequest",
+    "webRequestBlocking",
+    "*://twitter.com/*"
+  ]
+}