[eme] Check if HDCP policy is supported (#14384)

In [1] there is a proposal to add the ability to know before fetching content if HDCP (and what version) can be enforced. This adds a test to check if it is supported. [1] https://github.com/WICG/hdcp-detection/blob/master/explainer.md
web-platform-tests · Jan 24, 2019 · 2cc428d · 2cc428d
1 parent 01e59d3
commit 2cc428d
Show file tree

Hide file tree

Showing 3 changed files with 90 additions and 0 deletions.
diff --git a/encrypted-media/clearkey-check-status-for-hdcp.https.html b/encrypted-media/clearkey-check-status-for-hdcp.https.html
@@ -0,0 +1,32 @@
+<!doctype html>
+<html>
+  <head>
+    <meta charset=utf-8>
+    <title>Encrypted Media Extensions: Check HDCP status with Clear Key</title>
+    <link rel="help" href="https://w3c.github.io/encrypted-media/">
+
+    <!-- Web Platform Test Harness scripts -->
+    <script src=/resources/testharness.js></script>
+    <script src=/resources/testharnessreport.js></script>
+
+    <!-- Helper scripts for Encrypted Media Extensions tests  -->
+    <script src=/encrypted-media/util/utils.js></script>
+    <script src=/encrypted-media/util/utf8.js></script>
+
+    <!-- Content metadata -->
+    <!--<script src=/encrypted-media/content/content-metadata.js></script>-->
+
+    <!-- The script for this specific test -->
+    <script src=/encrypted-media/scripts/check-status-for-hdcp.js></script>
+
+  </head>
+  <body>
+    <div id='log'></div>
+
+    <script>
+        var config = {  keysystem: 'org.w3.clearkey' }
+
+        runTest(config);
+    </script>
+  </body>
+</html>
diff --git a/encrypted-media/drm-check-status-for-hdcp.https.html b/encrypted-media/drm-check-status-for-hdcp.https.html
@@ -0,0 +1,32 @@
+<!doctype html>
+<html>
+  <head>
+    <meta charset=utf-8>
+    <title>Encrypted Media Extensions: Check HDCP status with DRM</title>
+    <link rel="help" href="https://w3c.github.io/encrypted-media/">
+
+    <!-- Web Platform Test Harness scripts -->
+    <script src=/resources/testharness.js></script>
+    <script src=/resources/testharnessreport.js></script>
+
+    <!-- Helper scripts for Encrypted Media Extensions tests  -->
+    <script src=/encrypted-media/util/utils.js></script>
+    <script src=/encrypted-media/util/utf8.js></script>
+
+    <!-- Content metadata -->
+    <!--<script src=/encrypted-media/content/content-metadata.js></script>-->
+
+    <!-- The script for this specific test -->
+    <script src=/encrypted-media/scripts/check-status-for-hdcp.js></script>
+
+  </head>
+  <body>
+    <div id='log'></div>
+
+    <script>
+        var config = {  keysystem: getSupportedKeySystem() }
+
+        runTest(config);
+    </script>
+  </body>
+</html>
diff --git a/encrypted-media/scripts/check-status-for-hdcp.js b/encrypted-media/scripts/check-status-for-hdcp.js
@@ -0,0 +1,26 @@
+function runTest(config, qualifier)
+{
+  function checkStatusForMinHdcpVersionPolicy(hdcpVersion)
+  {
+    return navigator.requestMediaKeySystemAccess(config.keysystem, getSimpleConfiguration())
+        .then(function(access) {
+          return access.createMediaKeys();
+        })
+        .then(function(mediaKeys) {
+          // As HDCP policy depends on the hardware running this test,
+          // don't bother checking the result returned as it may or
+          // may not be supported. This simply verifies that
+          // getStatusForPolicy() exists and doesn't blow up.
+          return mediaKeys.getStatusForPolicy({minHdcpVersion: hdcpVersion});
+        });
+  }
+
+  promise_test(
+      () => checkStatusForMinHdcpVersionPolicy(''),
+      testnamePrefix(qualifier, config.keysystem) +
+          ' support for empty HDCP version.');
+
+  promise_test(
+      () => checkStatusForMinHdcpVersionPolicy('1.0'),
+      testnamePrefix(qualifier, config.keysystem) + ' support for HDCP 1.0.');
+}