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// Copyright (c) 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/test/chromedriver/chrome_desktop_impl.h"
#include "base/base64.h"
#include "base/command_line.h"
#include "base/file_util.h"
#include "base/files/file_path.h"
#include "base/format_macros.h"
#include "base/json/json_reader.h"
#include "base/json/json_writer.h"
#include "base/process.h"
#include "base/process_util.h"
#include "base/string_number_conversions.h"
#include "base/string_util.h"
#include "base/stringprintf.h"
#include "base/sys_info.h"
#include "base/utf_string_conversions.h"
#include "base/values.h"
#include "chrome/common/zip.h"
#include "chrome/test/chromedriver/chrome_finder.h"
#include "chrome/test/chromedriver/net/sync_websocket_impl.h"
#include "chrome/test/chromedriver/net/url_request_context_getter.h"
#include "chrome/test/chromedriver/status.h"
#include "chrome/test/chromedriver/user_data_dir.h"
ChromeDesktopImpl::ChromeDesktopImpl(
URLRequestContextGetter* context_getter,
int port,
const SyncWebSocketFactory& socket_factory)
: ChromeImpl(context_getter, port, socket_factory) {}
ChromeDesktopImpl::~ChromeDesktopImpl() {
base::CloseProcessHandle(process_);
}
Status ChromeDesktopImpl::Launch(const base::FilePath& exe,
const base::ListValue* args,
const base::ListValue* extensions,
const base::DictionaryValue* prefs,
const base::DictionaryValue* local_state) {
base::FilePath program = exe;
if (program.empty()) {
if (!FindChrome(&program))
return Status(kUnknownError, "cannot find Chrome binary");
}
LOG(INFO) << "Using chrome from " << program.value();
CommandLine command(program);
command.AppendSwitchASCII("remote-debugging-port",
base::IntToString(GetPort()));
command.AppendSwitch("no-first-run");
command.AppendSwitch("enable-logging");
command.AppendSwitchASCII("logging-level", "1");
command.AppendArg("data:text/html;charset=utf-8,");
if (args) {
Status status = internal::ProcessCommandLineArgs(args, &command);
if (status.IsError())
return status;
}
if (!command.HasSwitch("user-data-dir")) {
if (!user_data_dir_.CreateUniqueTempDir())
return Status(kUnknownError, "cannot create temp dir for user data dir");
command.AppendSwitchPath("user-data-dir", user_data_dir_.path());
Status status = internal::PrepareUserDataDir(
user_data_dir_.path(), prefs, local_state);
if (status.IsError())
return status;
}
if (extensions) {
if (!extension_dir_.CreateUniqueTempDir())
return Status(kUnknownError,
"cannot create temp dir for unpacking extensions");
Status status = internal::ProcessExtensions(
extensions, extension_dir_.path(), &command);
if (status.IsError())
return status;
}
base::LaunchOptions options;
if (!base::LaunchProcess(command, options, &process_))
return Status(kUnknownError, "chrome failed to start");
Status status = Init();
if (status.IsError()) {
Quit();
return status;
}
return Status(kOk);
}
std::string ChromeDesktopImpl::GetOperatingSystemName() {
return base::SysInfo::OperatingSystemName();
}
Status ChromeDesktopImpl::Quit() {
if (!base::KillProcess(process_, 0, true)) {
int exit_code;
if (base::GetTerminationStatus(process_, &exit_code) ==
base::TERMINATION_STATUS_STILL_RUNNING)
return Status(kUnknownError, "cannot kill Chrome");
}
return Status(kOk);
}
namespace internal {
Status ProcessCommandLineArgs(const base::ListValue* args,
CommandLine* command) {
for (size_t i = 0; i < args->GetSize(); ++i) {
std::string arg_string;
if (!args->GetString(i, &arg_string))
return Status(kUnknownError, "invalid chrome command line argument");
size_t separator_index = arg_string.find("=");
if (separator_index != std::string::npos) {
CommandLine::StringType arg_string_native;
if (!args->GetString(i, &arg_string_native))
return Status(kUnknownError, "invalid chrome command line argument");
command->AppendSwitchNative(
arg_string.substr(0, separator_index),
arg_string_native.substr(separator_index + 1));
} else {
command->AppendSwitch(arg_string);
}
}
return Status(kOk);
}
Status ProcessExtensions(const base::ListValue* extensions,
const base::FilePath& temp_dir,
CommandLine* command) {
std::vector<base::FilePath::StringType> extension_paths;
for (size_t i = 0; i < extensions->GetSize(); ++i) {
std::string extension_base64;
if (!extensions->GetString(i, &extension_base64)) {
return Status(kUnknownError,
"each extension must be a base64 encoded string");
}
// Decodes extension string.
// Some WebDriver client base64 encoders follow RFC 1521, which require that
// 'encoded lines be no more than 76 characters long'. Just remove any
// newlines.
RemoveChars(extension_base64, "\n", &extension_base64);
std::string decoded_extension;
if (!base::Base64Decode(extension_base64, &decoded_extension))
return Status(kUnknownError, "failed to base64 decode extension");
// Writes decoded extension into a temporary .crx file.
base::ScopedTempDir temp_crx_dir;
if (!temp_crx_dir.CreateUniqueTempDir())
return Status(kUnknownError,
"cannot create temp dir for writing extension CRX file");
base::FilePath extension_crx = temp_crx_dir.path().AppendASCII("temp.crx");
int size = static_cast<int>(decoded_extension.length());
if (file_util::WriteFile(extension_crx, decoded_extension.c_str(), size)
!= size)
return Status(kUnknownError, "failed to write extension file");
// Unzips the temporary .crx file.
base::FilePath extension_dir = temp_dir.AppendASCII(
base::StringPrintf("extension%" PRIuS, i));
if (!zip::Unzip(extension_crx, extension_dir))
return Status(kUnknownError, "failed to unzip the extension CRX file");
extension_paths.push_back(extension_dir.value());
}
// Sets paths of unpacked extensions to the command line.
if (!extension_paths.empty()) {
base::FilePath::StringType extension_paths_value = JoinString(
extension_paths, FILE_PATH_LITERAL(','));
command->AppendSwitchNative("load-extension", extension_paths_value);
}
return Status(kOk);
}
Status WritePrefsFile(
const std::string& template_string,
const base::DictionaryValue* custom_prefs,
const base::FilePath& path) {
int code;
std::string error_msg;
scoped_ptr<base::Value> template_value(base::JSONReader::ReadAndReturnError(
template_string, 0, &code, &error_msg));
base::DictionaryValue* prefs;
if (!template_value || !template_value->GetAsDictionary(&prefs)) {
return Status(kUnknownError,
"cannot parse internal JSON template: " + error_msg);
}
if (custom_prefs)
prefs->MergeDictionary(custom_prefs);
std::string prefs_str;
base::JSONWriter::Write(prefs, &prefs_str);
if (static_cast<int>(prefs_str.length()) != file_util::WriteFile(
path, prefs_str.c_str(), prefs_str.length())) {
return Status(kUnknownError, "failed to write prefs file");
}
return Status(kOk);
}
Status PrepareUserDataDir(
const base::FilePath& user_data_dir,
const base::DictionaryValue* custom_prefs,
const base::DictionaryValue* custom_local_state) {
base::FilePath default_dir = user_data_dir.AppendASCII("Default");
if (!file_util::CreateDirectory(default_dir))
return Status(kUnknownError, "cannot create default profile directory");
Status status = WritePrefsFile(
kPreferences,
custom_prefs,
default_dir.AppendASCII("Preferences"));
if (status.IsError())
return status;
status = WritePrefsFile(
kLocalState,
custom_local_state,
user_data_dir.AppendASCII("Local State"));
if (status.IsError())
return status;
// Write empty "First Run" file, otherwise Chrome will wipe the default
// profile that was written.
if (file_util::WriteFile(
user_data_dir.AppendASCII("First Run"), "", 0) != 0) {
return Status(kUnknownError, "failed to write first run file");
}
return Status(kOk);
}
} // namespace internal
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