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// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/command_line.h"
#include "build/build_config.h"
#include "chrome/browser/media/webrtc/webrtc_browsertest_base.h"
#include "chrome/browser/media/webrtc/webrtc_browsertest_common.h"
#include "chrome/common/channel_info.h"
#include "components/version_info/version_info.h"
#include "content/public/common/content_switches.h"
#include "content/public/test/browser_test.h"
#include "media/base/media_switches.h"
#include "net/test/embedded_test_server/embedded_test_server.h"
static const char kMainWebrtcTestHtmlPage[] =
"/webrtc/webrtc_jsep01_test.html";
// This tests the --disable-webrtc-encryption command line flag. Disabling
// encryption should only be possible on certain channels.
// NOTE: The test case for each channel will only be exercised when the browser
// is actually built for that channel. This is not ideal. One can test manually
// by e.g. faking the channel returned in chrome::GetChannel(). It's likely good
// to have the test anyway, even though a failure might not be detected until a
// branch has been promoted to another channel. The unit test for
// ChromeContentBrowserClient::MaybeCopyDisableWebRtcEncryptionSwitch tests for
// all channels however.
// TODO(grunell): Test the different channel cases for any build.
class WebRtcDisableEncryptionFlagBrowserTest : public WebRtcTestBase {
public:
WebRtcDisableEncryptionFlagBrowserTest() = default;
WebRtcDisableEncryptionFlagBrowserTest(
const WebRtcDisableEncryptionFlagBrowserTest&) = delete;
WebRtcDisableEncryptionFlagBrowserTest& operator=(
const WebRtcDisableEncryptionFlagBrowserTest&) = delete;
~WebRtcDisableEncryptionFlagBrowserTest() override = default;
void SetUpInProcessBrowserTestFixture() override {
DetectErrorsInJavaScript(); // Look for errors in our rather complex js.
}
void SetUpCommandLine(base::CommandLine* command_line) override {
// Disable encryption with the command line flag.
command_line->AppendSwitch(switches::kDisableWebRtcEncryption);
}
};
// Makes a call and checks that there's encryption or not in the SDP offer.
// TODO(crbug.com/40604406): De-flake this for ChromeOs.
// TODO(crbug.com/40636393): De-flake this for ASAN/MSAN Linux, also Windows
// TODO(crbug.com/40182777): De-flake this for MacOS.
#if BUILDFLAG(IS_CHROMEOS) || BUILDFLAG(IS_MAC) || BUILDFLAG(IS_WIN) || \
(BUILDFLAG(IS_LINUX) && \
(defined(MEMORY_SANITIZER) || defined(ADDRESS_SANITIZER)))
#define MAYBE_VerifyEncryption DISABLED_VerifyEncryption
#else
#define MAYBE_VerifyEncryption VerifyEncryption
#endif
IN_PROC_BROWSER_TEST_F(WebRtcDisableEncryptionFlagBrowserTest,
MAYBE_VerifyEncryption) {
ASSERT_TRUE(embedded_test_server()->Start());
content::WebContents* left_tab =
OpenTestPageAndGetUserMediaInNewTab(kMainWebrtcTestHtmlPage);
content::WebContents* right_tab =
OpenTestPageAndGetUserMediaInNewTab(kMainWebrtcTestHtmlPage);
SetupPeerconnectionWithLocalStream(left_tab);
SetupPeerconnectionWithLocalStream(right_tab);
NegotiateCall(left_tab, right_tab);
StartDetectingVideo(left_tab, "remote-view");
StartDetectingVideo(right_tab, "remote-view");
WaitForVideoToPlay(left_tab);
WaitForVideoToPlay(right_tab);
bool should_detect_encryption = true;
version_info::Channel channel = chrome::GetChannel();
if (channel == version_info::Channel::UNKNOWN ||
channel == version_info::Channel::CANARY ||
channel == version_info::Channel::DEV) {
should_detect_encryption = false;
}
#if BUILDFLAG(IS_ANDROID)
if (channel == version_info::Channel::BETA)
should_detect_encryption = false;
#endif
std::string expected_string = should_detect_encryption ?
"crypto-seen" : "no-crypto-seen";
ASSERT_EQ(expected_string,
ExecuteJavascript("hasSeenCryptoInSdp()", left_tab));
HangUp(left_tab);
HangUp(right_tab);
}
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