From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001
From: "Matt A. Tobin" <mattatobin@localhost.localdomain>
Date: Fri, 2 Feb 2018 04:16:08 -0500
Subject: Add m-esr52 at 52.6.0

---
 media/gmp-clearkey/0.1/ClearKeySession.cpp | 94 ++++++++++++++++++++++++++++++
 1 file changed, 94 insertions(+)
 create mode 100644 media/gmp-clearkey/0.1/ClearKeySession.cpp

(limited to 'media/gmp-clearkey/0.1/ClearKeySession.cpp')

diff --git a/media/gmp-clearkey/0.1/ClearKeySession.cpp b/media/gmp-clearkey/0.1/ClearKeySession.cpp
new file mode 100644
index 000000000..fb45dd2eb
--- /dev/null
+++ b/media/gmp-clearkey/0.1/ClearKeySession.cpp
@@ -0,0 +1,94 @@
+/*
+ * Copyright 2015, Mozilla Foundation and contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "BigEndian.h"
+#include "ClearKeyDecryptionManager.h"
+#include "ClearKeySession.h"
+#include "ClearKeyUtils.h"
+#include "ClearKeyStorage.h"
+#include "psshparser/PsshParser.h"
+#include "gmp-task-utils.h"
+#include "gmp-api/gmp-decryption.h"
+#include <assert.h>
+#include <string.h>
+
+using namespace mozilla;
+
+ClearKeySession::ClearKeySession(const std::string& aSessionId,
+                                 GMPDecryptorCallback* aCallback,
+                                 GMPSessionType aSessionType)
+  : mSessionId(aSessionId)
+  , mCallback(aCallback)
+  , mSessionType(aSessionType)
+{
+  CK_LOGD("ClearKeySession ctor %p", this);
+}
+
+ClearKeySession::~ClearKeySession()
+{
+  CK_LOGD("ClearKeySession dtor %p", this);
+
+  std::vector<GMPMediaKeyInfo> key_infos;
+  for (const KeyId& keyId : mKeyIds) {
+    assert(ClearKeyDecryptionManager::Get()->HasSeenKeyId(keyId));
+    ClearKeyDecryptionManager::Get()->ReleaseKeyId(keyId);
+    key_infos.push_back(GMPMediaKeyInfo(&keyId[0], keyId.size(), kGMPUnknown));
+  }
+  mCallback->BatchedKeyStatusChanged(&mSessionId[0], mSessionId.size(),
+                                     key_infos.data(), key_infos.size());
+}
+
+void
+ClearKeySession::Init(uint32_t aCreateSessionToken,
+                      uint32_t aPromiseId,
+                      const std::string& aInitDataType,
+                      const uint8_t* aInitData, uint32_t aInitDataSize)
+{
+  CK_LOGD("ClearKeySession::Init");
+
+  if (aInitDataType == "cenc") {
+    ParseCENCInitData(aInitData, aInitDataSize, mKeyIds);
+  } else if (aInitDataType == "keyids") {
+    ClearKeyUtils::ParseKeyIdsInitData(aInitData, aInitDataSize, mKeyIds);
+  } else if (aInitDataType == "webm" && aInitDataSize <= kMaxWebmInitDataSize) {
+    // "webm" initData format is simply the raw bytes of the keyId.
+    vector<uint8_t> keyId;
+    keyId.assign(aInitData, aInitData+aInitDataSize);
+    mKeyIds.push_back(keyId);
+  }
+
+  if (!mKeyIds.size()) {
+    const char message[] = "Couldn't parse init data";
+    mCallback->RejectPromise(aPromiseId, kGMPTypeError, message, strlen(message));
+    return;
+  }
+
+  mCallback->SetSessionId(aCreateSessionToken, &mSessionId[0], mSessionId.length());
+
+  mCallback->ResolvePromise(aPromiseId);
+}
+
+GMPSessionType
+ClearKeySession::Type() const
+{
+  return mSessionType;
+}
+
+void
+ClearKeySession::AddKeyId(const KeyId& aKeyId)
+{
+  mKeyIds.push_back(aKeyId);
+}
-- 
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