4 files changed, 171 insertions, 0 deletions
diff --git a/content_scripts/bridges/instagram.js b/content_scripts/bridges/instagram.js
new file mode 100644
index 0000000..0ced06a
--- /dev/null
+++ b/content_scripts/bridges/instagram.js
@@ -0,0 +1,10 @@
+async function get_insta() {
+    let url = window.location.href;
+    let insta_url = url + "?__a=1"
+    let res = await fetch(insta_url);
+    let json = await res.json();
+    let uid = json.graphql.user.id
+    let feed_url = `${base_url}/?action=display&bridge=Instagram&context=Username&u=${uid}&media_type=all&format=`;
+    return get_all_types(feed_url)
+}
+
diff --git a/content_scripts/bridges/twitter.js b/content_scripts/bridges/twitter.js
new file mode 100644
index 0000000..e9855cb
--- /dev/null
+++ b/content_scripts/bridges/twitter.js
@@ -0,0 +1,12 @@
+function get_twitter() {
+    let url = window.location.href;
+    let pattern = /twitter.com\/(\w+).*/
+    let match = url.match(pattern);
+    if (match) {
+        let twitter_handle = match[1]
+        let feed_url = `${base_url}/?action=display&bridge=Twitter&context=By+username&u=${twitter_handle}&format=`
+        return get_all_types(feed_url)
+    }
+    return []
+}
+
diff --git a/content_scripts/bridges/youtube.js b/content_scripts/bridges/youtube.js
new file mode 100644
index 0000000..202873b
--- /dev/null
+++ b/content_scripts/bridges/youtube.js
@@ -0,0 +1,63 @@
+function get_native_playlist_feed(playlistId){
+    return `https://www.youtube.com/feeds/videos.xml?playlist_id=${playlistId}`
+}
+
+function get_native_channel_feed(channelId){
+    return `https://www.youtube.com/feeds/videos.xml?channel_id=${channelId}`
+}
+
+async function get_youtube() {
+    let url = window.location.href;
+
+    let patternVideo = /youtube.com\/watch\?v=[A-z0-9-_]+/
+    let matchVideo = url.match(patternVideo)
+
+    let patternUser = /youtube.com\/user\/[A-z0-9-_]+.*/
+    let matchUser = url.match(patternUser)
+
+    let patternChannel = /youtube.com\/channel\/[A-z0-9-_]+.*/
+    let matchChannel = url.match(patternChannel)
+
+    let patternPlaylist = /youtube.com\/playlist\?list=[A-z0-9-_]+.*/
+    let matchPlaylist = url.match(patternPlaylist)
+
+    if (matchVideo) {
+        let channel_url = document.querySelector("[role='main'] #channel-name a")["href"]
+        let matchChannel2 = channel_url.match(patternChannel)
+        let channelId = matchChannel2[1]
+        let feed_url = `${base_url}/?action=display&bridge=Youtube&context=By+channel+id&c=${channelId}&duration_min=&duration_max=&format=`
+        let native_url = get_native_channel_feed(channelId)
+        let feeds = get_all_types(feed_url, "channel").concat([{ type: `native (channel): Rss`, url: native_url }])
+
+        let patternListInVideo = /youtube.com\/watch\?v=\w+\&list=(\w+)/
+        let matchListInVideo = url.match(patternListInVideo)
+        if(matchListInVideo){
+            let playlistId = matchListInVideo[1]
+            let playlist_feed_url = `${base_url}/?action=display&bridge=Youtube&context=By+playlist+Id&p=${playlistId}&duration_min=&duration_max=&format=`
+            let native_url = get_native_playlist_feed(playlistId)
+            let rb_feeds = get_all_types(playlist_feed_url, "playlist")
+            feeds = feeds.concat(rb_feeds.concat([{ type: `native (playlist): Rss`, url: native_url }]))
+        }
+
+        return feeds
+    }
+    if (matchUser) {
+        let user = matchUser[1];
+        let feed_url = `${base_url}/?action=display&bridge=Youtube&context=By+username&u=${user}&duration_min=&duration_max=&format=`
+        return get_all_types(feed_url)
+    }
+    if (matchChannel) {
+        let channelId = matchChannel[1]
+        let feed_url = `${base_url}/?action=display&bridge=Youtube&context=By+channel+id&c=${channelId}&duration_min=&duration_max=&format=`
+        return get_all_types(feed_url)
+    }
+    if (matchPlaylist) {
+        let playlistId = matchPlaylist[1]
+        let native_url = get_native_playlist_feed(playlistId)
+        let feed_url = `${base_url}/?action=display&bridge=Youtube&context=By+playlist+Id&p=${playlistId}&duration_min=&duration_max=&format=`
+        let rb_feeds = get_all_types(feed_url)
+        return rb_feeds.concat([{ type: `native: Rss`, url: native_url }])
+    }
+    return []
+}
+
diff --git a/content_scripts/cs.js b/content_scripts/cs.js
new file mode 100644
index 0000000..e57176b
--- /dev/null
+++ b/content_scripts/cs.js
@@ -0,0 +1,86 @@
+var base_url = undefined
+let formats = ["Atom", "Mrss", "Html"]
+let types = {
+    'application/rss+xml': "rss",
+    'application/atom+xml': "atom",
+    'application/rdf+xml': "rdf",
+    'application/rss': "rss",
+    'application/atom': "atom",
+    'application/rdf': "rdf",
+    'text/rss+xml': "rss",
+    'text/atom+xml': "atom",
+    'text/rdf+xml': "rdf",
+    'text/rss': "rss",
+    'text/atom': "atom",
+    'text/rdf': "rdf"
+}
+
+
+function find_links_in_page() {
+    let links = document.querySelectorAll('link[type]');
+    let feeds = [];
+    for (let i = 0; i < links.length; i++) {
+        if (links[i].hasAttribute('type') && links[i].getAttribute('type') in types) {
+            let title = links[i].getAttribute('title')
+            let href = links[i].getAttribute('href')
+            let feed_url = new URL(href, window.location.href).href
+            let type = types[links[i].getAttribute('type')]
+            let feed = {
+                type: `native: ${title || type}`,
+                url: feed_url,
+            };
+            feeds.push(feed);
+        }
+    }
+    return feeds
+}
+
+function get_all_types(feed_url, note) {
+    let feeds = [];
+    formats.forEach(el => {
+        if(note){
+            feeds.push({
+                type: `rss-bridge (${note}): ${el}`,
+                url: feed_url + el
+            });
+        } else {
+            feeds.push({
+                type: `rss-bridge: ${el}`,
+                url: feed_url + el
+            });
+        }
+    })
+    return feeds;
+}
+
+let objs = []
+
+async function get_feed_urls() {
+    let settings = await browser.storage.sync.get("rb");
+    base_url = settings.rb;
+    let all_feed_urls = []
+    let host = window.location.host;
+    for (const obj of objs) {
+        for (const obj_host of obj.hosts) {
+            if (host.includes(obj_host)) {
+                result = await obj.callback()
+                all_feed_urls = all_feed_urls.concat(result)
+                break
+            }
+        }
+    }
+    all_feed_urls = all_feed_urls.concat(find_links_in_page())
+    return all_feed_urls
+}
+
+function register(hosts, callback) {
+    objs.push({hosts, callback})
+}
+
+register(["instagram"], get_insta)
+register(["twitter"], get_twitter)
+register(["youtube"], get_youtube)
+
+browser.runtime.onMessage.addListener(function (msg, sender) {
+    return Promise.resolve(get_feed_urls());
+})