1 files changed, 89 insertions, 0 deletions
diff --git a/cs.js b/cs.js
new file mode 100644
index 0000000..34f9d79
--- /dev/null
+++ b/cs.js
@@ -0,0 +1,89 @@
+let base_url = "https://rb.marks.kitchen"
+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 normalize_feed_url(feed_url) {
+    if (feed_url.startsWith('/')) {
+        let url = window.location.href
+        feed_url = url.split('/')[0] + '//' + url.split('/')[2] + feed_url;
+    }
+    return feed_url
+}
+
+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 feed_url = normalize_feed_url(links[i].getAttribute('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) {
+    let feeds = [];
+    formats.forEach(el => {
+        feeds.push({
+            type: `rss-bridge: ${el}`,
+            url: feed_url + el
+        });
+    })
+    return feeds;
+}
+
+async function get_insta(url) {
+    let insta_url = url + "?__a=1"
+    console.log("fetching")
+    let res = await fetch(insta_url);
+    let json = await res.json(); 
+    let uid = json.graphql.user.id
+    let feed_url = `${base_url}/?action=display&bridge=Instagram&context=Username&u=${uid}&media_type=all&format=`;
+    return get_all_types(feed_url)
+}
+
+function get_twitter(url) {
+    let pattern = /twitter.com\/(\w+).*/
+    let match = url.match(pattern);
+    let twitter_handle = match[1]
+    let feed_url = `${base_url}/?action=display&bridge=Twitter&context=By+username&u=${twitter_handle}&format=`
+    return get_all_types(feed_url)
+}
+
+
+async function get_feed_urls() {
+    let all_feed_urls = []
+    let url = window.location.href;
+    //url = url.toLowerCase()
+    if (url.includes("instagram")) {
+        all_feed_urls = all_feed_urls.concat(await get_insta(url))
+    } else if (url.includes("twitter")) {
+        all_feed_urls = all_feed_urls.concat(get_twitter(url))
+    }
+    all_feed_urls = all_feed_urls.concat(find_links_in_page())
+    return all_feed_urls
+}
+
+browser.runtime.onMessage.addListener(function (msg, sender) {
+    return Promise.resolve(get_feed_urls());
+})