Merge pull request #1515 from canalplus/fix/titan-os-media-keys

DRM: Re-create MediaKeys for each content on Philips' NETTV
canalplus · Aug 30, 2024 · c2bf43b · c2bf43b
2 parents e9f9758 + d51b338
commit c2bf43b
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Showing 3 changed files with 46 additions and 4 deletions.
diff --git a/src/compat/__tests__/can_reuse_media_keys.test.ts b/src/compat/__tests__/can_reuse_media_keys.test.ts
@@ -10,9 +10,9 @@ describe("Compat - canReuseMediaKeys", () => {
     vi.resetModules();
   });
 
-  it("should return true on any browser but WebOS", async () => {
+  it("should return true on most browsers", async () => {
     vi.doMock("../browser_detection", () => {
-      return { isWebOs: false, isPanasonic: false };
+      return { isWebOs: false, isPhilipsNetTv: false, isPanasonic: false };
     });
     const canReuseMediaKeys = (await vi.importActual(
       "../can_reuse_media_keys.ts",
@@ -26,6 +26,37 @@ describe("Compat - canReuseMediaKeys", () => {
         isWebOs: true,
         isWebOs2022: false,
         isPanasonic: false,
+        isPhilipsNetTv: false,
+      };
+    });
+    const canReuseMediaKeys = (await vi.importActual(
+      "../can_reuse_media_keys.ts",
+    )) as any;
+    expect(canReuseMediaKeys.default()).toBe(false);
+  });
+
+  it("should return false on Panasonic", async () => {
+    vi.doMock("../browser_detection", () => {
+      return {
+        isWebOs: false,
+        isWebOs2022: false,
+        isPanasonic: true,
+        isPhilipsNetTv: false,
+      };
+    });
+    const canReuseMediaKeys = (await vi.importActual(
+      "../can_reuse_media_keys.ts",
+    )) as any;
+    expect(canReuseMediaKeys.default()).toBe(false);
+  });
+
+  it("should return false on Philips' NETTV", async () => {
+    vi.doMock("../browser_detection", () => {
+      return {
+        isWebOs: false,
+        isWebOs2022: false,
+        isPanasonic: false,
+        isPhilipsNetTv: true,
       };
     });
     const canReuseMediaKeys = (await vi.importActual(

diff --git a/src/compat/browser_detection.ts b/src/compat/browser_detection.ts
@@ -67,6 +67,9 @@ let isWebOs2022 = false;
 /** `true` for Panasonic devices. */
 let isPanasonic = false;
 
+/** `true` we're relying on Philips's NetTv browser. */
+let isPhilipsNetTv = false;
+
 /** `true` for the PlayStation 4 game console. */
 let isPlayStation4 = false;
 
@@ -155,6 +158,11 @@ let isXbox = false;
     ) {
       isWebOs2021 = true;
     }
+  } else if (
+    navigator.userAgent.indexOf("NETTV") !== -1 &&
+    navigator.userAgent.indexOf("Philips") !== -1
+  ) {
+    isPhilipsNetTv = true;
   } else if (/[Pp]anasonic/.test(navigator.userAgent)) {
     isPanasonic = true;
   } else if (navigator.userAgent.indexOf("Xbox") !== -1) {
@@ -168,6 +176,7 @@ export {
   isIEOrEdge,
   isFirefox,
   isPanasonic,
+  isPhilipsNetTv,
   isPlayStation4,
   isPlayStation5,
   isXbox,

diff --git a/src/compat/can_reuse_media_keys.ts b/src/compat/can_reuse_media_keys.ts
@@ -1,4 +1,4 @@
-import { isPanasonic, isWebOs } from "./browser_detection";
+import { isPanasonic, isPhilipsNetTv, isWebOs } from "./browser_detection";
 
 /**
  * Returns `true` if a `MediaKeys` instance (the  `Encrypted Media Extension`
@@ -9,9 +9,11 @@ import { isPanasonic, isWebOs } from "./browser_detection";
  *   - (2022-11-21): WebOS (LG TVs), for some encrypted contents, just
  *     rebuffered indefinitely when loading a content already-loaded on the
  *     HTMLMediaElement.
+ *   - (2024-08-23): Seen on Philips 2024 and 2023 in:
+ *     https://github.com/canalplus/rx-player/issues/1464
  *
  * @returns {boolean}
  */
 export default function canReuseMediaKeys(): boolean {
-  return !isWebOs && !isPanasonic;
+  return !isWebOs && !isPhilipsNetTv && !isPanasonic;
 }