Merge pull request #261 from bitmovin/casting-ios/widevine-drm

Widevine DRM support for casting on iOS

ios/DrmModule.swift

@@ -42,7 +42,7 @@ class DrmModule: NSObject, RCTBridgeModule {
         bridge.uiManager.addUIBlock { [weak self] _, _ in
             guard
                 self?.drmConfigs[nativeId] == nil,
-                let fairplayConfig = RCTConvert.fairplayConfig(config)
+                let fairplayConfig = RCTConvert.drmConfig(config).fairplay
             else {
                 return
             }

ios/RCTConvert+BitmovinPlayer.swift

@@ -228,7 +228,7 @@ extension RCTConvert {
      - Parameter json: JS object
      - Returns: The produced `SourceConfig` object
      */
-    static func sourceConfig(_ json: Any?, drmConfig: FairplayConfig? = nil) -> SourceConfig? {
+    static func sourceConfig(_ json: Any?, drmConfig: DrmConfig? = nil) -> SourceConfig? {
         guard let json = json as? [String: Any?] else {
             return nil
         }
@@ -335,33 +335,62 @@ extension RCTConvert {
         }
     }
 
+    /**
+     Utility method to get a `DrmConfig` from a JS object.
+     - Parameter json: JS object
+     - Returns: The generated `DrmConfig` object
+     */
+    static func drmConfig(_ json: Any?) -> (fairplay: FairplayConfig?, widevine: WidevineConfig?) {
+        guard let json = json as? [String: Any?] else {
+            return (nil, nil)
+        }
+        return (
+            fairplay: RCTConvert.fairplayConfig(json["fairplay"]),
+            widevine: RCTConvert.widevineConfig(json["widevine"])
+        )
+    }
+
     /**
      Utility method to get a `FairplayConfig` from a JS object.
      - Parameter json: JS object
      - Returns: The generated `FairplayConfig` object
      */
     static func fairplayConfig(_ json: Any?) -> FairplayConfig? {
-        guard
-            let json = json as? [String: Any?],
-            let fairplayJson = json["fairplay"] as? [String: Any?],
-            let licenseURL = fairplayJson["licenseUrl"] as? String,
-            let certificateURL = fairplayJson["certificateUrl"] as? String
-        else {
+        guard let json = json as? [String: Any?],
+            let licenseURL = json["licenseUrl"] as? String,
+            let certificateURL = json["certificateUrl"] as? String else {
             return nil
         }
         let fairplayConfig = FairplayConfig(
             license: URL(string: licenseURL),
             certificateURL: URL(string: certificateURL)!
         )
-        if let licenseRequestHeaders = fairplayJson["licenseRequestHeaders"] as? [String: String] {
+        if let licenseRequestHeaders = json["licenseRequestHeaders"] as? [String: String] {
             fairplayConfig.licenseRequestHeaders = licenseRequestHeaders
         }
-        if let certificateRequestHeaders = fairplayJson["certificateRequestHeaders"] as? [String: String] {
+        if let certificateRequestHeaders = json["certificateRequestHeaders"] as? [String: String] {
             fairplayConfig.certificateRequestHeaders = certificateRequestHeaders
         }
         return fairplayConfig
     }
 
+    /**
+     Utility method to get a `WidevineConfig` from a JS object.
+     - Parameter json: JS object
+     - Returns: The generated `WidevineConfig` object
+     */
+    static func widevineConfig(_ json: Any?) -> WidevineConfig? {
+        guard let json = json as? [String: Any?],
+            let licenseURL = json["licenseUrl"] as? String else {
+            return nil
+        }
+        let widevineConfig = WidevineConfig(license: URL(string: licenseURL))
+        if let licenseRequestHeaders = json["httpHeaders"] as? [String: String] {
+            widevineConfig.licenseRequestHeaders = licenseRequestHeaders
+        }
+        return widevineConfig
+    }
+
     /**
      Utility method to get a `ThumbnailTrack` instance from a JS object.
      - Parameter url: String.
@@ -989,12 +1018,15 @@ extension RCTConvert {
      - Returns: The produced `SourceRemoteControlConfig` object
      */
     static func sourceRemoteControlConfig(_ json: Any?) -> SourceRemoteControlConfig? {
-        guard let json = json as? [String: Any?] else {
+        guard let json = json as? [String: Any?],
+              let castSourceConfigJson = json["castSourceConfig"] as? [String: Any?] else {
             return nil
         }
-
         return SourceRemoteControlConfig(
-            castSourceConfig: RCTConvert.sourceConfig(json["castSourceConfig"])
+            castSourceConfig: RCTConvert.sourceConfig(
+                json["castSourceConfig"],
+                drmConfig: RCTConvert.drmConfig(castSourceConfigJson["drmConfig"]).widevine
+            )
         )
     }
 }

ios/SourceModule.swift

@@ -64,16 +64,16 @@ class SourceModule: NSObject, RCTBridgeModule {
         analyticsSourceMetadata: Any?
     ) {
         bridge.uiManager.addUIBlock { [weak self] _, _ in
-            let fairplayConfig: FairplayConfig?
+            let drmConfig: DrmConfig?
             if let drmNativeId = drmNativeId {
-                fairplayConfig = self?.getDrmModule()?.retrieve(drmNativeId)
+                drmConfig = self?.getDrmModule()?.retrieve(drmNativeId)
             } else {
-                fairplayConfig = nil
+                drmConfig = nil
             }
 
             guard
                 self?.sources[nativeId] == nil,
-                let sourceConfig = RCTConvert.sourceConfig(config, drmConfig: fairplayConfig),
+                let sourceConfig = RCTConvert.sourceConfig(config, drmConfig: drmConfig),
                 let sourceMetadata = RCTConvert.analyticsSourceMetadata(analyticsSourceMetadata)
             else {
                 return
@@ -100,16 +100,16 @@ class SourceModule: NSObject, RCTBridgeModule {
         sourceRemoteControlConfig: Any?
     ) {
         bridge.uiManager.addUIBlock { [weak self] _, _ in
-            let fairplayConfig: FairplayConfig?
+            let drmConfig: DrmConfig?
             if let drmNativeId = drmNativeId {
-                fairplayConfig = self?.getDrmModule()?.retrieve(drmNativeId)
+                drmConfig = self?.getDrmModule()?.retrieve(drmNativeId)
             } else {
-                fairplayConfig = nil
+                drmConfig = nil
             }
 
             guard
                 self?.sources[nativeId] == nil,
-                let sourceConfig = RCTConvert.sourceConfig(config, drmConfig: fairplayConfig)
+                let sourceConfig = RCTConvert.sourceConfig(config, drmConfig: drmConfig)
             else {
                 return
             }

src/drm/index.ts

@@ -14,11 +14,15 @@ const DrmModule = NativeModules.DrmModule;
  */
 export interface DrmConfig extends NativeInstanceConfig {
   /**
-   * FairPlay specific configuration. Only applicable for iOS.
+   * FairPlay specific configuration.
+   *
+   * @platform iOS
    */
   fairplay?: FairplayConfig;
   /**
-   * Widevine specific configuration. Only applicable for Android.
+   * Widevine specific configuration.
+   *
+   * @platform Android, iOS (only for casting).
    */
   widevine?: WidevineConfig;
 }

src/drm/widevineConfig.ts

@@ -1,6 +1,6 @@
 /**
  * Represents a Widevine Streaming DRM config.
- * Android only.
+ * @platform Android, iOS (only for casting).
  */
 export interface WidevineConfig {
   /**
@@ -10,7 +10,7 @@ export interface WidevineConfig {
   /**
    * A map containing the HTTP request headers, or null.
    */
-  httpHeaders: Record<string, string>;
+  httpHeaders?: Record<string, string>;
   /**
    * A block to prepare the data which is sent as the body of the POST license request.
    * As many DRM providers expect different, vendor-specific messages, this can be done using
@@ -19,6 +19,8 @@ export interface WidevineConfig {
    * Note that both the passed `message` data and this block return value should be a Base64 string.
    * So use whatever solution suits you best to handle Base64 in React Native.
    *
+   * @platform Android
+   *
    * @param message - Base64 encoded message data.
    * @returns The processed Base64 encoded message.
    */
@@ -31,19 +33,25 @@ export interface WidevineConfig {
    * Note that both the passed `license` data and this block return value should be a Base64 string.
    * So use whatever solution suits you best to handle Base64 in React Native.
    *
+   * @platform Android
+   *
    * @param license - Base64 encoded license data.
    * @returns The processed Base64 encoded license.
    */
   prepareLicense?: (license: string) => string;
   /**
    * Set widevine's preferred security level.
+   *
+   * @platform Android
    */
   preferredSecurityLevel?: string;
   /**
    * Indicates if the DRM sessions should be kept alive after a source is unloaded.
    * This allows DRM sessions to be reused over several different source items with the same DRM configuration as well
    * as the same DRM scheme information.
    * Default: `false`
+   *
+   * @platform Android
    */
-  shouldKeepDrmSessionsAlive: boolean;
+  shouldKeepDrmSessionsAlive?: boolean;
 }