feat(Demo): Allow storage of MSS-PlayReady in demo (#7801)

demo/common/asset.js

@@ -59,6 +59,8 @@ const ShakaDemoAssetInfo = class {
     /** @type {!Map.<string, string>} */
     this.licenseServers = new Map();
     /** @type {!Map.<string, string>} */
+    this.offlineLicenseServers = new Map();
+    /** @type {!Map.<string, string>} */
     this.licenseRequestHeaders = new Map();
     /** @type {?shaka.extern.RequestFilter} */
     this.requestFilter = null;
@@ -239,6 +241,16 @@ const ShakaDemoAssetInfo = class {
     return this;
   }
 
+  /**
+   * @param {string} keySystem
+   * @param {string} licenseServer
+   * @return {!ShakaDemoAssetInfo}
+   */
+  addOfflineLicenseServer(keySystem, licenseServer) {
+    this.offlineLicenseServers.set(keySystem, licenseServer);
+    return this;
+  }
+
   /**
    * @param {string} uri
    * @return {!ShakaDemoAssetInfo}
@@ -476,9 +488,11 @@ const ShakaDemoAssetInfo = class {
 
   /**
    * Gets the configuration object for the asset.
+   *
+   * @param {boolean=} forStorage
    * @return {!shaka.extern.PlayerConfiguration}
    */
-  getConfiguration() {
+  getConfiguration(forStorage = false) {
     const config = /** @type {shaka.extern.PlayerConfiguration} */(
       {drm: {advanced: {}}, manifest: {dash: {}, hls: {}}});
 
@@ -488,9 +502,15 @@ const ShakaDemoAssetInfo = class {
       }
     }
 
-    if (this.licenseServers.size) {
+    let licenseServers = this.licenseServers;
+    // PR license servers may require a different URL for offline.
+    if (forStorage && this.offlineLicenseServers.size) {
+      licenseServers = this.offlineLicenseServers;
+    }
+
+    if (licenseServers.size) {
       config.drm.servers = config.drm.servers || {};
-      this.licenseServers.forEach((value, key) => {
+      licenseServers.forEach((value, key) => {
         config.drm.servers[key] = value;
       });
     }
@@ -501,6 +521,18 @@ const ShakaDemoAssetInfo = class {
         config.drm.clearKeys[key] = value;
       });
     }
+
+    // Windows Edge only support persistent licenses with
+    // `com.microsoft.playready.recommendation` keySystem.
+    if (forStorage &&
+        navigator.userAgent.match(/Edge?\//) &&
+        navigator.platform &&
+        navigator.platform.toLowerCase().includes('win32')) {
+      config.drm.keySystemsMapping = {
+        'com.microsoft.playready': 'com.microsoft.playready.recommendation',
+      };
+    }
+
     return config;
   }
 

demo/common/assets.js

@@ -1417,7 +1417,9 @@ shakaAssets.testAssets = [
       .addFeature(shakaAssets.Feature.MSS)
       .addFeature(shakaAssets.Feature.HIGH_DEFINITION)
       .addFeature(shakaAssets.Feature.MP4)
+      .addFeature(shakaAssets.Feature.OFFLINE)
       .addLicenseServer('com.microsoft.playready', 'https://test.playready.microsoft.com/service/rightsmanager.asmx?cfg=(persist:false,sl:150)')
+      .addOfflineLicenseServer('com.microsoft.playready', 'https://test.playready.microsoft.com/service/rightsmanager.asmx?cfg=(persist:true,sl:150)')
       .setMimeType('application/vnd.ms-sstr+xml'),
   // }}}
 

demo/main.js

@@ -1250,10 +1250,11 @@ shakaDemo.Main = class {
     goog.asserts.assert(netEngine, 'There should be a net engine.');
     asset.applyFilters(netEngine);
 
-    const assetConfig = asset.getConfiguration();
     if (storage) {
+      const assetConfig = asset.getConfiguration(/* forStorage= */ true);
       storage.configure(assetConfig);
     } else {
+      const assetConfig = asset.getConfiguration();
       // Remove all not-player-applied configurations, by resetting the
       // configuration then re-applying the desired configuration.
       this.player_.resetConfiguration();