Get Challenge

FoxRefire · Aug 5, 2024 · 2807074 · 2807074
1 parent 0f5f57c
commit 2807074
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diff --git a/getChallenge.js b/getChallenge.js
@@ -0,0 +1,40 @@
+export default async function() {
+    let keySystemAccess;
+    try{
+        keySystemAccess = await navigator.requestMediaKeySystemAccess('com.widevine.alpha', config)
+    } catch {
+        config[0]['sessionTypes'] = ['temporary']
+        keySystemAccess = await navigator.requestMediaKeySystemAccess('com.widevine.alpha', config)
+    }
+    let challenge = await getChallenge(keySystemAccess);
+    return challenge
+};
+
+// Tears of Steel Init data Widevine
+let initData = Uint8Array.from(atob('AAAARHBzc2gAAAAA7e+LqXnWSs6jyCfc1R0h7QAAACQIARIBMRoNd2lkZXZpbmVfdGVzdCIKMjAxNV90ZWFycyoCU0Q='), c => c.charCodeAt(0))
+
+// Widevine CDM config MediaKeyAccess default
+let config = [{
+    initDataTypes: ['cenc'],
+    sessionTypes: ['persistent-license'],
+    videoCapabilities: [{
+        contentType: 'video/mp4; codecs="avc1.640029"'
+    }],
+    audioCapabilities: [{
+        contentType: 'audio/mp4; codecs="mp4a.40.2"'
+    }]
+}];
+
+async function getChallenge(keySystemAccess) {
+    return new Promise((resolve, reject) => {
+        try{
+            keySystemAccess.createMediaKeys().then(mediaKeys => {
+                let keySession = mediaKeys.createSession(config[0]['sessionTypes'])
+                keySession.addEventListener("message", () => resolve(event.message));
+                keySession.generateRequest("cenc", initData)
+            })
+        } catch(err) {
+            reject("Unable to create MediaKeys : " + err)
+        }
+    })
+}
diff --git a/index.html b/index.html
@@ -0,0 +1,15 @@
+<!DOCTYPE html>
+<html>
+    <head>
+        <script type="module">
+            import getChallenge from './getChallenge.js'
+            window.onload = async () => {
+                let b64encode = b => btoa(String.fromCharCode(...new Uint8Array(b)))
+                let challenge = await getChallenge()
+                console.log(b64encode(challenge))
+            }
+        </script>
+    </head>
+    <body>
+    </body>
+</html>