ScriptPromise MediaKeys::setServerCertificate(ScriptState* scriptState, const DOMArrayPiece& serverCertificate)
{
// From https://dvcs.w3.org/hg/html-media/raw-file/default/encrypted-media/encrypted-media.html#dom-setservercertificate:
// The setServerCertificate(serverCertificate) method provides a server
// certificate to be used to encrypt messages to the license server.
// It must run the following steps:
// 1. If serverCertificate is an empty array, return a promise rejected
// with a new DOMException whose name is "InvalidAccessError".
if (!serverCertificate.byteLength()) {
return ScriptPromise::rejectWithDOMException(
scriptState, DOMException::create(InvalidAccessError, "The serverCertificate parameter is empty."));
}
// 2. If the keySystem does not support server certificates, return a
// promise rejected with a new DOMException whose name is
// "NotSupportedError".
// (Let the CDM decide whether to support this or not.)
// 3. Let certificate be a copy of the contents of the serverCertificate
// parameter.
RefPtr<DOMArrayBuffer> serverCertificateBuffer = DOMArrayBuffer::create(serverCertificate.data(), serverCertificate.byteLength());
// 4. Let promise be a new promise.
SimpleContentDecryptionModuleResultPromise* result = new SimpleContentDecryptionModuleResultPromise(scriptState);
ScriptPromise promise = result->promise();
// 5. Run the following steps asynchronously (documented in timerFired()).
m_pendingActions.append(PendingAction::CreatePendingSetServerCertificate(result, serverCertificateBuffer.release()));
if (!m_timer.isActive())
m_timer.startOneShot(0, FROM_HERE);
// 6. Return promise.
return promise;
}
ScriptPromise MediaKeySession::close(ScriptState* scriptState)
{
WTF_LOG(Media, "MediaKeySession(%p)::close", this);
// From https://w3c.github.io/encrypted-media/#close:
// Indicates that the application no longer needs the session and the CDM
// should release any resources associated with this object and close it.
// When this method is invoked, the user agent must run the following steps:
// 1. If this object's callable value is false, return a promise rejected
// with a new DOMException whose name is "InvalidStateError".
if (!m_isCallable)
return CreateRejectedPromiseNotCallable(scriptState);
// 2. If the Session Close algorithm has been run on this object,
// return a resolved promise.
if (m_isClosed)
return ScriptPromise::cast(scriptState, ScriptValue());
// 3. Let promise be a new promise.
SimpleContentDecryptionModuleResultPromise* result = new SimpleContentDecryptionModuleResultPromise(scriptState);
ScriptPromise promise = result->promise();
// 4. Run the following steps asynchronously (documented in
// actionTimerFired()).
m_pendingActions.append(PendingAction::CreatePendingClose(result));
if (!m_actionTimer.isActive())
m_actionTimer.startOneShot(0, BLINK_FROM_HERE);
// 5. Return promise.
return promise;
}
ScriptPromise MediaKeySession::remove(ScriptState* scriptState)
{
WTF_LOG(Media, "MediaKeySession(%p)::remove", this);
// From https://w3c.github.io/encrypted-media/#remove:
// Removes stored session data associated with this object. When this
// method is invoked, the user agent must run the following steps:
// 1. If this object's callable value is false, return a promise rejected
// with a new DOMException whose name is "InvalidStateError".
if (!m_isCallable)
return CreateRejectedPromiseNotCallable(scriptState);
// 2. If this object's session type is not "persistent-license" or
// "persistent-release-message", return a promise rejected with a
// new DOMException whose name is InvalidAccessError.
if (m_sessionType != WebEncryptedMediaSessionType::PersistentLicense && m_sessionType != WebEncryptedMediaSessionType::PersistentReleaseMessage) {
return ScriptPromise::rejectWithDOMException(
scriptState, DOMException::create(InvalidAccessError, "The session type is not persistent."));
}
// 3. If the Session Close algorithm has been run on this object, return a
// promise rejected with a new DOMException whose name is
// "InvalidStateError".
if (m_isClosed) {
return ScriptPromise::rejectWithDOMException(
scriptState, DOMException::create(InvalidStateError, "The session is already closed."));
}
// 4. Let promise be a new promise.
SimpleContentDecryptionModuleResultPromise* result = new SimpleContentDecryptionModuleResultPromise(scriptState);
ScriptPromise promise = result->promise();
// 5. Run the following steps asynchronously (documented in
// actionTimerFired()).
m_pendingActions.append(PendingAction::CreatePendingRemove(result));
if (!m_actionTimer.isActive())
m_actionTimer.startOneShot(0, BLINK_FROM_HERE);
// 6. Return promise.
return promise;
}
ScriptPromise MediaKeySession::update(ScriptState* scriptState, const DOMArrayPiece& response)
{
WTF_LOG(Media, "MediaKeySession(%p)::update", this);
ASSERT(!m_isClosed);
// From https://w3c.github.io/encrypted-media/#update:
// Provides messages, including licenses, to the CDM. When this method is
// invoked, the user agent must run the following steps:
// 1. If this object's callable value is false, return a promise rejected
// with a new DOMException whose name is InvalidStateError.
if (!m_isCallable)
return CreateRejectedPromiseNotCallable(scriptState);
// 2. If response is an empty array, return a promise rejected with a
// new DOMException whose name is InvalidAccessError.
if (!response.byteLength()) {
return ScriptPromise::rejectWithDOMException(
scriptState, DOMException::create(InvalidAccessError, "The response parameter is empty."));
}
// 3. Let response copy be a copy of the contents of the response parameter.
RefPtr<DOMArrayBuffer> responseCopy = DOMArrayBuffer::create(response.data(), response.byteLength());
// 4. Let promise be a new promise.
SimpleContentDecryptionModuleResultPromise* result = new SimpleContentDecryptionModuleResultPromise(scriptState);
ScriptPromise promise = result->promise();
// 5. Run the following steps asynchronously (documented in
// actionTimerFired())
m_pendingActions.append(PendingAction::CreatePendingUpdate(result, responseCopy.release()));
if (!m_actionTimer.isActive())
m_actionTimer.startOneShot(0, BLINK_FROM_HERE);
// 6. Return promise.
return promise;
}
