void UserMediaPermissionRequestManagerProxy::requestUserMediaPermissionForFrame(uint64_t userMediaID, uint64_t frameID, String userMediaDocumentOriginIdentifier, String topLevelDocumentOriginIdentifier, const WebCore::MediaConstraintsData& audioConstraintsData, const WebCore::MediaConstraintsData& videoConstraintsData)
{
#if ENABLE(MEDIA_STREAM)
    auto invalidHandler = [this, userMediaID](const String& invalidConstraint) {
        if (!m_page.isValid())
            return;

        denyRequest(userMediaID, UserMediaPermissionRequestProxy::UserMediaAccessDenialReason::InvalidConstraint, invalidConstraint);
    };

    auto validHandler = [this, userMediaID, frameID, userMediaDocumentOriginIdentifier, topLevelDocumentOriginIdentifier](const Vector<String>&& audioDeviceUIDs, const Vector<String>&& videoDeviceUIDs) {
        if (!m_page.isValid())
            return;

        if (videoDeviceUIDs.isEmpty() && audioDeviceUIDs.isEmpty()) {
            denyRequest(userMediaID, UserMediaPermissionRequestProxy::UserMediaAccessDenialReason::NoConstraints, "");
            return;
        }

        auto userMediaOrigin = API::SecurityOrigin::create(SecurityOriginData::fromDatabaseIdentifier(userMediaDocumentOriginIdentifier)->securityOrigin());
        auto topLevelOrigin = API::SecurityOrigin::create(SecurityOriginData::fromDatabaseIdentifier(topLevelDocumentOriginIdentifier)->securityOrigin());
        auto request = createRequest(userMediaID, audioDeviceUIDs, videoDeviceUIDs);

        if (!m_page.uiClient().decidePolicyForUserMediaPermissionRequest(m_page, *m_page.process().webFrame(frameID), *userMediaOrigin.get(), *topLevelOrigin.get(), request.get())) {
            m_pendingUserMediaRequests.take(userMediaID);
            request->deny(UserMediaPermissionRequestProxy::UserMediaAccessDenialReason::UserMediaDisabled);
        }
    };

    auto audioConstraints = MediaConstraintsImpl::create(audioConstraintsData);
    auto videoConstraints = MediaConstraintsImpl::create(videoConstraintsData);

    syncWithWebCorePrefs();
    RealtimeMediaSourceCenter::singleton().validateRequestConstraints(validHandler, invalidHandler, audioConstraints, videoConstraints);
#else
    UNUSED_PARAM(userMediaID);
    UNUSED_PARAM(frameID);
    UNUSED_PARAM(userMediaDocumentOriginIdentifier);
    UNUSED_PARAM(topLevelDocumentOriginIdentifier);
    UNUSED_PARAM(audioConstraintsData);
    UNUSED_PARAM(videoConstraintsData);
#endif
}
void UserMediaPermissionRequestManagerProxy::userMediaAccessWasDenied(uint64_t userMediaID, UserMediaPermissionRequestProxy::UserMediaAccessDenialReason reason)
{
    if (!m_page.isValid())
        return;

    if (!m_pendingUserMediaRequests.take(userMediaID))
        return;

    denyRequest(userMediaID, reason, "");
}
Beispiel #3
0
/* parseMessage
 * Reads message from client
 */
static int parseMessage(int newsockfd) {
	char buffer[BUFSIZ];
	int n;

	/* Initialize buffers */
	char *wholeMessage = (char*) malloc(READBUFFERSIZE*sizeof(char));
	memset(wholeMessage, 0, READBUFFERSIZE);
	memset(buffer, 0, BUFSIZ);

	/* Start reading */
	n = read(newsockfd, buffer, BUFSIZ);
	if (n < 0) {
		fprintf(stderr,"Error: failed to read from socket\n");
		return -1;
	}
	/* reading a result message, must call read several times */
	else if(n > 10) {
		/* Discard garbage at the end */
		buffer[n] = '\0';

		/* append to wholeMessage */
		strcat(wholeMessage, buffer);

		/* Clear buffer before reading next chunk */
		memset(buffer, 0, BUFSIZ);
		do {
			n = read(newsockfd, buffer, BUFSIZ);
			if (n < 0) {
				fprintf(stderr,"Error: failed to read from socket\n");
				return -1;
			}
			else {
				/* Discard garbage at the end */
				buffer[n] = '\0';

				/* append to wholeMessage */
				strcat(wholeMessage, buffer);

				/* Clear buffer before reading next chunk */
				memset(buffer, 0, BUFSIZ);
			}
		} while(n > 0);
	}
	/* reading a request message, one read is enough */
	else {
		strcpy(wholeMessage, buffer);
	}
	char* result = strdup(wholeMessage);

	/* Free wholeMessage */
	free(wholeMessage);


	/* Parse message from client */
	/* Check first digit of message and verify if it is a
	 * a result or a request */
	char *pch;
	pch = strtok(result, ":");
	if(pch[0] == RESULT) {
		/* Parse rest of the message */
		parseResult(pch);
	}
	else if(pch[0] == REQUEST) {
		/* Send hint to the client */
		int workingSize;
		int hint = parseRequest(pch, &workingSize);
		int ret;
		if(hint)
			ret = sendHint(newsockfd, workingSize);
		else
			ret = denyRequest(newsockfd);
	}

	close(newsockfd);

	/* Free memory */
	free(result);
	return 1;
}