1 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #include "chrome/test/chromedriver/chrome/devtools_http_client.h"
8 #include "base/bind_helpers.h"
9 #include "base/json/json_reader.h"
10 #include "base/strings/string_number_conversions.h"
11 #include "base/strings/string_split.h"
12 #include "base/strings/stringprintf.h"
13 #include "base/threading/platform_thread.h"
14 #include "base/time/time.h"
15 #include "base/values.h"
16 #include "chrome/test/chromedriver/chrome/device_metrics.h"
17 #include "chrome/test/chromedriver/chrome/devtools_client_impl.h"
18 #include "chrome/test/chromedriver/chrome/log.h"
19 #include "chrome/test/chromedriver/chrome/status.h"
20 #include "chrome/test/chromedriver/chrome/version.h"
21 #include "chrome/test/chromedriver/chrome/web_view_impl.h"
22 #include "chrome/test/chromedriver/net/net_util.h"
23 #include "chrome/test/chromedriver/net/url_request_context_getter.h"
25 WebViewInfo::WebViewInfo(const std::string& id,
26 const std::string& debugger_url,
27 const std::string& url,
29 : id(id), debugger_url(debugger_url), url(url), type(type) {}
31 WebViewInfo::~WebViewInfo() {}
33 bool WebViewInfo::IsFrontend() const {
34 return url.find("chrome-devtools://") == 0u;
37 WebViewsInfo::WebViewsInfo() {}
39 WebViewsInfo::WebViewsInfo(const std::vector<WebViewInfo>& info)
42 WebViewsInfo::~WebViewsInfo() {}
44 const WebViewInfo& WebViewsInfo::Get(int index) const {
45 return views_info[index];
48 size_t WebViewsInfo::GetSize() const {
49 return views_info.size();
52 const WebViewInfo* WebViewsInfo::GetForId(const std::string& id) const {
53 for (size_t i = 0; i < views_info.size(); ++i) {
54 if (views_info[i].id == id)
55 return &views_info[i];
60 DevToolsHttpClient::DevToolsHttpClient(
61 const NetAddress& address,
62 scoped_refptr<URLRequestContextGetter> context_getter,
63 const SyncWebSocketFactory& socket_factory,
64 scoped_ptr<DeviceMetrics> device_metrics)
65 : context_getter_(context_getter),
66 socket_factory_(socket_factory),
67 server_url_("http://" + address.ToString()),
68 web_socket_url_prefix_(base::StringPrintf(
69 "ws://%s/devtools/page/", address.ToString().c_str())),
70 device_metrics_(device_metrics.Pass()) {}
72 DevToolsHttpClient::~DevToolsHttpClient() {}
74 Status DevToolsHttpClient::Init(const base::TimeDelta& timeout) {
75 base::TimeTicks deadline = base::TimeTicks::Now() + timeout;
76 std::string browser_version;
77 std::string blink_version;
80 Status status = GetVersion(&browser_version, &blink_version);
83 if (status.code() != kChromeNotReachable ||
84 base::TimeTicks::Now() > deadline) {
87 base::PlatformThread::Sleep(base::TimeDelta::FromMilliseconds(50));
90 // |blink_version| is should look something like "537.36 (@159105)", and for
91 // this example |blink_revision| should be 159105
92 size_t before = blink_version.find('@');
93 size_t after = blink_version.find(')');
94 if (before == std::string::npos || after == std::string::npos) {
95 return Status(kUnknownError,
96 "unrecognized Blink version: " + blink_version);
99 std::string blink_revision_string = blink_version.substr(before + 1,
101 int blink_revision_int;
102 if (!base::StringToInt(blink_revision_string, &blink_revision_int)) {
103 return Status(kUnknownError,
104 "unrecognized Blink revision: " + blink_revision_string);
107 browser_info_.blink_revision = blink_revision_int;
109 if (browser_version.empty()) {
110 browser_info_.browser_name = "content shell";
113 if (browser_version.find("Version/") == 0u) {
114 browser_info_.browser_name = "webview";
117 std::string prefix = "Chrome/";
118 if (browser_version.find(prefix) != 0u) {
119 return Status(kUnknownError,
120 "unrecognized Chrome version: " + browser_version);
123 std::string stripped_version = browser_version.substr(prefix.length());
125 std::vector<std::string> version_parts;
126 base::SplitString(stripped_version, '.', &version_parts);
127 if (version_parts.size() != 4 ||
128 !base::StringToInt(version_parts[2], &temp_build_no)) {
129 return Status(kUnknownError,
130 "unrecognized Chrome version: " + browser_version);
133 browser_info_.browser_name = "chrome";
134 browser_info_.browser_version = stripped_version;
135 browser_info_.build_no = temp_build_no;
140 Status DevToolsHttpClient::GetWebViewsInfo(WebViewsInfo* views_info) {
142 if (!FetchUrlAndLog(server_url_ + "/json", context_getter_.get(), &data))
143 return Status(kChromeNotReachable);
145 return internal::ParseWebViewsInfo(data, views_info);
148 scoped_ptr<DevToolsClient> DevToolsHttpClient::CreateClient(
149 const std::string& id) {
150 return scoped_ptr<DevToolsClient>(new DevToolsClientImpl(
152 web_socket_url_prefix_ + id,
155 &DevToolsHttpClient::CloseFrontends, base::Unretained(this), id)));
158 Status DevToolsHttpClient::CloseWebView(const std::string& id) {
161 server_url_ + "/json/close/" + id, context_getter_.get(), &data)) {
162 return Status(kOk); // Closing the last web view leads chrome to quit.
165 // Wait for the target window to be completely closed.
166 base::TimeTicks deadline =
167 base::TimeTicks::Now() + base::TimeDelta::FromSeconds(20);
168 while (base::TimeTicks::Now() < deadline) {
169 WebViewsInfo views_info;
170 Status status = GetWebViewsInfo(&views_info);
171 if (status.code() == kChromeNotReachable)
173 if (status.IsError())
175 if (!views_info.GetForId(id))
177 base::PlatformThread::Sleep(base::TimeDelta::FromMilliseconds(50));
179 return Status(kUnknownError, "failed to close window in 20 seconds");
182 Status DevToolsHttpClient::ActivateWebView(const std::string& id) {
185 server_url_ + "/json/activate/" + id, context_getter_.get(), &data))
186 return Status(kUnknownError, "cannot activate web view");
190 const BrowserInfo* DevToolsHttpClient::browser_info() {
191 return &browser_info_;
194 const DeviceMetrics* DevToolsHttpClient::device_metrics() {
195 return device_metrics_.get();
198 Status DevToolsHttpClient::GetVersion(std::string* browser_version,
199 std::string* blink_version) {
202 server_url_ + "/json/version", context_getter_.get(), &data))
203 return Status(kChromeNotReachable);
205 return internal::ParseVersionInfo(data, browser_version, blink_version);
208 Status DevToolsHttpClient::CloseFrontends(const std::string& for_client_id) {
209 WebViewsInfo views_info;
210 Status status = GetWebViewsInfo(&views_info);
211 if (status.IsError())
214 // Close frontends. Usually frontends are docked in the same page, although
215 // some may be in tabs (undocked, chrome://inspect, the DevTools
216 // discovery page, etc.). Tabs can be closed via the DevTools HTTP close
217 // URL, but docked frontends can only be closed, by design, by connecting
218 // to them and clicking the close button. Close the tab frontends first
219 // in case one of them is debugging a docked frontend, which would prevent
220 // the code from being able to connect to the docked one.
221 std::list<std::string> tab_frontend_ids;
222 std::list<std::string> docked_frontend_ids;
223 for (size_t i = 0; i < views_info.GetSize(); ++i) {
224 const WebViewInfo& view_info = views_info.Get(i);
225 if (view_info.IsFrontend()) {
226 if (view_info.type == WebViewInfo::kPage)
227 tab_frontend_ids.push_back(view_info.id);
228 else if (view_info.type == WebViewInfo::kOther)
229 docked_frontend_ids.push_back(view_info.id);
231 return Status(kUnknownError, "unknown type of DevTools frontend");
235 for (std::list<std::string>::const_iterator it = tab_frontend_ids.begin();
236 it != tab_frontend_ids.end(); ++it) {
237 status = CloseWebView(*it);
238 if (status.IsError())
242 for (std::list<std::string>::const_iterator it = docked_frontend_ids.begin();
243 it != docked_frontend_ids.end(); ++it) {
244 scoped_ptr<DevToolsClient> client(new DevToolsClientImpl(
246 web_socket_url_prefix_ + *it,
248 scoped_ptr<WebViewImpl> web_view(
249 new WebViewImpl(*it, &browser_info_, client.Pass(), NULL));
251 status = web_view->ConnectIfNecessary();
252 // Ignore disconnected error, because the debugger might have closed when
253 // its container page was closed above.
254 if (status.IsError() && status.code() != kDisconnected)
257 scoped_ptr<base::Value> result;
258 status = web_view->EvaluateScript(
260 "document.querySelector('*[id^=\"close-button-\"]').click();",
262 // Ignore disconnected error, because it may be closed already.
263 if (status.IsError() && status.code() != kDisconnected)
267 // Wait until DevTools UI disconnects from the given web view.
268 base::TimeTicks deadline =
269 base::TimeTicks::Now() + base::TimeDelta::FromSeconds(20);
270 while (base::TimeTicks::Now() < deadline) {
271 status = GetWebViewsInfo(&views_info);
272 if (status.IsError())
275 const WebViewInfo* view_info = views_info.GetForId(for_client_id);
277 return Status(kNoSuchWindow, "window was already closed");
278 if (view_info->debugger_url.size())
281 base::PlatformThread::Sleep(base::TimeDelta::FromMilliseconds(50));
283 return Status(kUnknownError, "failed to close UI debuggers");
286 bool DevToolsHttpClient::FetchUrlAndLog(const std::string& url,
287 URLRequestContextGetter* getter,
288 std::string* response) {
289 VLOG(1) << "DevTools request: " << url;
290 bool ok = FetchUrl(url, getter, response);
292 VLOG(1) << "DevTools response: " << *response;
294 VLOG(1) << "DevTools request failed";
301 Status ParseWebViewsInfo(const std::string& data,
302 WebViewsInfo* views_info) {
303 scoped_ptr<base::Value> value(base::JSONReader::Read(data));
305 return Status(kUnknownError, "DevTools returned invalid JSON");
306 base::ListValue* list;
307 if (!value->GetAsList(&list))
308 return Status(kUnknownError, "DevTools did not return list");
310 std::vector<WebViewInfo> temp_views_info;
311 for (size_t i = 0; i < list->GetSize(); ++i) {
312 base::DictionaryValue* info;
313 if (!list->GetDictionary(i, &info))
314 return Status(kUnknownError, "DevTools contains non-dictionary item");
316 if (!info->GetString("id", &id))
317 return Status(kUnknownError, "DevTools did not include id");
318 std::string type_as_string;
319 if (!info->GetString("type", &type_as_string))
320 return Status(kUnknownError, "DevTools did not include type");
322 if (!info->GetString("url", &url))
323 return Status(kUnknownError, "DevTools did not include url");
324 std::string debugger_url;
325 info->GetString("webSocketDebuggerUrl", &debugger_url);
326 WebViewInfo::Type type;
327 if (type_as_string == "app")
328 type = WebViewInfo::kApp;
329 else if (type_as_string == "background_page")
330 type = WebViewInfo::kBackgroundPage;
331 else if (type_as_string == "page")
332 type = WebViewInfo::kPage;
333 else if (type_as_string == "worker")
334 type = WebViewInfo::kWorker;
335 else if (type_as_string == "other")
336 type = WebViewInfo::kOther;
338 return Status(kUnknownError,
339 "DevTools returned unknown type:" + type_as_string);
340 temp_views_info.push_back(WebViewInfo(id, debugger_url, url, type));
342 *views_info = WebViewsInfo(temp_views_info);
346 Status ParseVersionInfo(const std::string& data,
347 std::string* browser_version,
348 std::string* blink_version) {
349 scoped_ptr<base::Value> value(base::JSONReader::Read(data));
351 return Status(kUnknownError, "version info not in JSON");
352 base::DictionaryValue* dict;
353 if (!value->GetAsDictionary(&dict))
354 return Status(kUnknownError, "version info not a dictionary");
355 if (!dict->GetString("Browser", browser_version)) {
358 "Chrome version must be >= " + GetMinimumSupportedChromeVersion(),
359 Status(kUnknownError, "version info doesn't include string 'Browser'"));
361 if (!dict->GetString("WebKit-Version", blink_version)) {
362 return Status(kUnknownError,
363 "version info doesn't include string 'WebKit-Version'");
368 } // namespace internal