From 7ccadc53efcc8919346a5be4a495fc95ad9db7b3 Mon Sep 17 00:00:00 2001
From: Wojtek Kosior <koszko@koszko.org>
Date: Wed, 29 Dec 2021 16:53:39 +0100
Subject: add script that redirect youtube.com to invidious.snopyta

---
 content/pyoutube/index.json |  5 ++++
 content/syoutube/index.json |  6 +++++
 content/syoutube/youtube.js | 61 +++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 72 insertions(+)
 create mode 100644 content/pyoutube/index.json
 create mode 100644 content/syoutube/index.json
 create mode 100644 content/syoutube/youtube.js

(limited to 'content')

diff --git a/content/pyoutube/index.json b/content/pyoutube/index.json
new file mode 100644
index 0000000..89decd4
--- /dev/null
+++ b/content/pyoutube/index.json
@@ -0,0 +1,5 @@
+{
+"type" : "page",
+"pattern" : "https://www.youtube.com/***",
+"payload" : ["script", "youtube->yewtu.be"]
+}
diff --git a/content/syoutube/index.json b/content/syoutube/index.json
new file mode 100644
index 0000000..0650c42
--- /dev/null
+++ b/content/syoutube/index.json
@@ -0,0 +1,6 @@
+{
+"type" : "script",
+"name" : "youtube->yewtu.be",
+"sha256" : "8fade4c6d87cb717289c382f71f1aaa95f8122041eb173d5e1267c13e68c56e1",
+"location" : "youtube.js"
+}
diff --git a/content/syoutube/youtube.js b/content/syoutube/youtube.js
new file mode 100644
index 0000000..2486bd4
--- /dev/null
+++ b/content/syoutube/youtube.js
@@ -0,0 +1,61 @@
+/**
+ * Copyright (C) 2021, Wojtek Kosior
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the CC0 1.0 Universal License as published by
+ * the Creative Commons Corporation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * CC0 1.0 Universal License for more details.
+ * Available under the terms of Creative Commons Zero.
+ */
+
+/* Use with https://www.youtube.com/*** */
+
+/* Redirect youtube.com to yewtu.be */
+
+function decode_query_options(url)
+{
+    const query_options = {};
+    const match = /^[^?]*\?(.*)/.exec(url);
+    if (!match)
+	return query_options;
+
+    for (const opt of match[1].split("&")) {
+	const [key, val] =
+	      /^([^=]*)=?(.*)/.exec(opt).splice(1, 2).map(decodeURIComponent);
+	query_options[key] = val;
+    }
+
+    return query_options;
+}
+
+function encode_query_options(query_options)
+{
+    return Object.entries(query_options)
+	.map(ar => ar.map(encodeURIComponent).join("=")).join("&");
+}
+
+function remake_url(youtube_url)
+{
+    const query_options = decode_query_options(youtube_url);
+
+    let endpoint = "";
+
+    const match = /^(?:(?:https?)?\/\/)?[^/]*\/([^?]*)/.exec(youtube_url);
+    if (match)
+	endpoint = match[1];
+
+    if (/^embed\//.test(query_options.v))
+	endpoint = query_options.v;
+
+    if (/^embed\/.+/.test(endpoint))
+	delete query_options.v
+
+    const encoded_options = encode_query_options(query_options);
+    return `https://yewtu.be/${endpoint}?${encoded_options}`;
+}
+
+window.location.href = remake_url(document.URL);
-- 
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