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Bug 1351124 - Factor out ClearKey license generation in EME mochitests. r=jya

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Makes it easier to re-use in the test in the next patch.

MozReview-Commit-ID: 56Gbe8KFSgX

--HG--
extra : rebase_source : 3e2aa140dbf4faad015c1c760fc5b18de396d848
This commit is contained in:
Chris Pearce 2017-07-07 10:49:42 +12:00
parent 9096e7b95d
commit 87ce56017f
2 changed files with 32 additions and 49 deletions
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62
dom/media/test/eme.js
View File

@ -107,41 +107,37 @@ function SourceBufferListToString(sbl)
return "SourceBufferList[" + sbl.map(SourceBufferToString).join(", ") + "]";
}
function GenerateClearKeyLicense(licenseRequest, keyStore)
{
var msgStr = ArrayBufferToString(licenseRequest);
var msg = JSON.parse(msgStr);
var keys = [];
for (var i = 0; i < msg.kids.length; i++) {
var id64 = msg.kids[i];
var idHex = Base64ToHex(msg.kids[i]).toLowerCase();
var key = keyStore[idHex];
if (key) {
keys.push({
"kty": "oct",
"kid": id64,
"k": HexToBase64(key)
});
}
}
return new TextEncoder().encode(JSON.stringify({
"keys" : keys,
"type" : msg.type || "temporary"
}));
}
function UpdateSessionFunc(test, token, sessionType, resolve, reject) {
return function(ev) {
var msgStr = ArrayBufferToString(ev.message);
var msg = JSON.parse(msgStr);
Log(token, "got message from CDM: " + msgStr);
is(msg.type, sessionType, TimeStamp(token) + " key session type should match");
ok(msg.kids, TimeStamp(token) + " message event should contain key ID array");
var outKeys = [];
for (var i = 0; i < msg.kids.length; i++) {
var id64 = msg.kids[i];
var idHex = Base64ToHex(msg.kids[i]).toLowerCase();
var key = test.keys[idHex];
if (key) {
Log(token, "found key " + key + " for key id " + idHex);
outKeys.push({
"kty":"oct",
"kid":id64,
"k":HexToBase64(key)
});
} else {
reject(`${token} couldn't find key for key id ${idHex}`);
}
}
var update = JSON.stringify({
"keys" : outKeys,
"type" : msg.type
});
Log(token, "sending update message to CDM: " + update);
ev.target.update(StringToArrayBuffer(update)).then(function() {
var license = GenerateClearKeyLicense(ev.message, test.keys);
Log(token, "sending update message to CDM: " + (new TextDecoder().decode(license)));
ev.target.update(license).then(function() {
Log(token, "MediaKeySession update ok!");
resolve(ev.target);
}).catch(function(reason) {

19
dom/media/test/test_eme_sample_groups_playback.html
View File

@ -69,29 +69,16 @@
.then((mediaKeys) => {
video.setMediaKeys(mediaKeys);
var session = mediaKeys.createSession();
once(session, "message", (ev) => {
is(ev.messageType, "license-request", "Expected a license-request");
var keys = [];
for (var keyid in test.keys) {
keys.push({
"kty":"oct",
"kid":HexToBase64(keyid),
"k":HexToBase64(test.keys[keyid])
});
}
var license = new TextEncoder().encode(JSON.stringify({
"keys": keys,
"type": test.sessionType || "temporary"
}));
session.update(license);
session.update(GenerateClearKeyLicense(ev.message, test.keys));
});
var json = JSON.stringify({
"kids":Object.keys(test.keys).map(HexToBase64)
});
var request = new TextEncoder().encode(json);
session.generateRequest("keyids", request)
.then(e => {