Initial commit

frame.js

+if(window.location.host == 'engage.streaming.rwth-aachen.de'){
+	fetch(`https://engage.streaming.rwth-aachen.de/search/episode.json?id=${new URLSearchParams(location.search).get('id')}`).then(d=>d.json()).then(meta => {
+    	window._meta = meta
+    	let videoTracks = meta['search-results'].result.mediapackage.media.track.filter(t=> t.mimetype.startsWith('video/') && t.url.startsWith('http'))
+		window.parent.postMessage({videoTracks, meta}, '*')
+  	})
+}else if(window.location.host === 'moodle.rwth-aachen.de'){
+	document.querySelectorAll('iframe.ocplayer').forEach((frame)=>{
+		let outer = frame.parentNode.parentNode;
+
+		let linkDiv = document.createElement('div');
+		linkDiv.id = "link_div";
+
+		outer.append(linkDiv);
+	})
+
+	window.addEventListener('message', msg => {
+    	let frame;
+
+    	document.querySelectorAll('iframe.ocplayer').forEach((e)=>{
+			if(msg.source == e.contentWindow){
+				frame = e.parentNode.parentNode;
+				return;
+			}
+		})
+
+    	let container = frame.querySelector('#link_div');
+		msg.data.videoTracks.forEach(track => {
+	      let a = document.createElement('a')
+	      a.href = track.url
+	      a.innerText = `${track.video.resolution} (${track.mimetype})`
+	      a.classList.add('btn');
+	      a.classList.add('btn-link');
+	      a.style = ('background-color:#00549f ;color:white; border-radius:2px; padding:4px 8px; margin-top:10px; margin-right:20px;');
+	      container.appendChild(a)
+	    })
+
+	    return false;
+  })
+}
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manifest.json

+{
+    "manifest_version": 2,
+    "name": "Moodle Downloader",
+    "description": "Download your Moodle Videos",
+    "version": "1.0",
+    "author": "Jorik van Genuchten",
+    "browser_action": {
+        "default_icon": "tab-icon.png"
+    },
+    "permissions": ["activeTab"],
+    "content_scripts": [{
+	    "matches": ["http://*/*", "https://*/*"],
+	    "js": ["frame.js"],
+	    "all_frames": true
+	}],
+	"icons": {
+        "256": "tab-icon.png"
+    }
+}
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