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1 // Copyright 2017 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. | |
4 | |
5 #include "content/browser/devtools/devtools_url_interceptor_request_job.h" | |
6 | |
7 #include "base/memory/ptr_util.h" | |
8 #include "base/strings/stringprintf.h" | |
9 #include "content/browser/devtools/protocol/network_handler.h" | |
10 #include "net/base/elements_upload_data_stream.h" | |
11 #include "net/base/io_buffer.h" | |
12 #include "net/base/upload_bytes_element_reader.h" | |
13 #include "net/cert/cert_status_flags.h" | |
14 #include "net/http/http_response_headers.h" | |
15 #include "net/http/http_util.h" | |
16 #include "net/url_request/url_request_context.h" | |
17 | |
18 namespace content { | |
19 namespace { | |
20 // Keep in sync with X_DevTools_Intercept_Id defined in HTTPNames.json5. | |
21 const char kDevToolsInterceptId[] = "X-Devtools-Intercept-Id"; | |
22 } | |
23 | |
24 DevToolsURLInterceptorRequestJob::DevToolsURLInterceptorRequestJob( | |
25 base::WeakPtr<DevToolsURLRequestInterceptor::State> interceptor_state, | |
26 const std::string& intercept_id, | |
27 net::URLRequest* origional_request, | |
28 net::NetworkDelegate* origional_network_delegate, | |
29 protocol::NetworkHandler* network_handler, | |
30 bool is_redirect) | |
31 : net::URLRequestJob(origional_request, origional_network_delegate), | |
Sami
2017/03/22 17:00:44
typo: original (2x)
alex clarke (OOO till 29th)
2017/03/23 12:25:11
Done.
| |
32 io_thread_only_(origional_request), | |
33 intercept_id_(intercept_id), | |
34 network_handler_(network_handler), | |
35 interceptor_state_(interceptor_state), | |
36 io_thread_task_runner_( | |
37 BrowserThread::GetTaskRunnerForThread(BrowserThread::IO)), | |
38 is_redirect_(is_redirect) { | |
39 DCHECK_CURRENTLY_ON(BrowserThread::IO); | |
40 network_handler_->RegisterURLInterceptor(intercept_id_, this); | |
41 } | |
42 | |
43 DevToolsURLInterceptorRequestJob::~DevToolsURLInterceptorRequestJob() { | |
44 DCHECK_CURRENTLY_ON(BrowserThread::IO); | |
45 if (network_handler_) | |
46 network_handler_->UnregisterURLInterceptor(intercept_id_, this); | |
47 } | |
48 | |
49 void DevToolsURLInterceptorRequestJob::OnNetworkHandlerDeleted() { | |
50 network_handler_ = nullptr; | |
51 } | |
52 | |
53 // net::URLRequestJob implementation: | |
54 void DevToolsURLInterceptorRequestJob::SetExtraRequestHeaders( | |
55 const net::HttpRequestHeaders& headers) { | |
56 io_thread_only().request_details.extra_request_headers = headers; | |
57 } | |
58 | |
59 void DevToolsURLInterceptorRequestJob::Start() { | |
60 DCHECK_CURRENTLY_ON(BrowserThread::IO); | |
61 if (is_redirect_) { | |
62 io_thread_only().sub_request.reset(new SubRequest( | |
63 io_thread_only().request_details, interceptor_state_, this)); | |
64 } else { | |
65 BrowserThread::PostTask( | |
66 BrowserThread::UI, FROM_HERE, | |
67 base::Bind(&DevToolsURLInterceptorRequestJob:: | |
68 SendInterceptedRequestEventOnUiThread, | |
69 base::Unretained(this))); | |
Sami
2017/03/22 17:00:45
The job is owned by net/ on the network thread, so
alex clarke (OOO till 29th)
2017/03/23 12:25:10
Done.
| |
70 } | |
71 } | |
72 | |
73 void DevToolsURLInterceptorRequestJob::SendInterceptedRequestEventOnUiThread() { | |
74 DCHECK_CURRENTLY_ON(BrowserThread::UI); | |
75 ui_thread_only().waiting_for_user_response = true; | |
76 if (network_handler_) { | |
77 network_handler_->frontend()->InterceptedRequest( | |
78 intercept_id_, | |
79 protocol::NetworkHandler::CreateRequestFromURLRequest(request())); | |
80 } | |
81 } | |
82 | |
83 void DevToolsURLInterceptorRequestJob::Kill() { | |
84 if (io_thread_only().sub_request) | |
85 io_thread_only().sub_request->Cancel(); | |
86 | |
87 URLRequestJob::Kill(); | |
88 } | |
89 | |
90 int DevToolsURLInterceptorRequestJob::ReadRawData(net::IOBuffer* buf, | |
91 int buf_size) { | |
92 if (io_thread_only().sub_request) { | |
93 int size = io_thread_only().sub_request->request()->Read(buf, buf_size); | |
94 return size; | |
95 } else { | |
96 CHECK(io_thread_only().mock_response); | |
97 return io_thread_only().mock_response->ReadRawData(buf, buf_size); | |
98 } | |
99 } | |
100 | |
101 int DevToolsURLInterceptorRequestJob::GetResponseCode() const { | |
102 if (io_thread_only().sub_request) { | |
103 return io_thread_only().sub_request->request()->GetResponseCode(); | |
104 } else { | |
105 CHECK(io_thread_only().mock_response); | |
106 return io_thread_only().mock_response->response_headers()->response_code(); | |
107 } | |
108 } | |
109 | |
110 void DevToolsURLInterceptorRequestJob::GetResponseInfo( | |
111 net::HttpResponseInfo* info) { | |
112 if (io_thread_only().sub_request) { | |
113 *info = io_thread_only().sub_request->request()->response_info(); | |
114 } else if (io_thread_only().mock_response) { | |
Sami
2017/03/22 17:00:45
Can we CHECK that the mock response exists here li
alex clarke (OOO till 29th)
2017/03/23 12:25:10
Done.
| |
115 info->headers = io_thread_only().mock_response->response_headers().get(); | |
116 } | |
117 } | |
118 | |
119 const net::HttpResponseHeaders* | |
120 DevToolsURLInterceptorRequestJob::GetHttpResponseHeaders() const { | |
121 if (io_thread_only().sub_request) { | |
122 net::URLRequest* request = io_thread_only().sub_request->request(); | |
123 return request->response_info().headers.get(); | |
124 } | |
125 CHECK(io_thread_only().mock_response); | |
126 return io_thread_only().mock_response->response_headers().get(); | |
127 } | |
128 | |
129 bool DevToolsURLInterceptorRequestJob::GetMimeType( | |
130 std::string* mime_type) const { | |
131 const net::HttpResponseHeaders* response_headers = GetHttpResponseHeaders(); | |
132 if (!response_headers) | |
133 return false; | |
134 return response_headers->GetMimeType(mime_type); | |
135 } | |
136 | |
137 bool DevToolsURLInterceptorRequestJob::GetCharset(std::string* charset) { | |
138 const net::HttpResponseHeaders* response_headers = GetHttpResponseHeaders(); | |
139 if (!response_headers) | |
140 return false; | |
141 return response_headers->GetCharset(charset); | |
142 } | |
143 | |
144 void DevToolsURLInterceptorRequestJob::GetLoadTimingInfo( | |
145 net::LoadTimingInfo* load_timing_info) const { | |
146 if (io_thread_only().sub_request) { | |
147 io_thread_only().sub_request->request()->GetLoadTimingInfo( | |
148 load_timing_info); | |
149 } else { | |
150 CHECK(io_thread_only().mock_response); | |
151 // TODO(alexclarke): Investigate setting the other members too where | |
152 // possible. | |
153 load_timing_info->receive_headers_end = | |
154 io_thread_only().mock_response->response_time(); | |
155 } | |
156 } | |
157 | |
158 void DevToolsURLInterceptorRequestJob::OnAuthRequired( | |
159 net::URLRequest* request, | |
160 net::AuthChallengeInfo* auth_info) { | |
161 DCHECK(io_thread_only().sub_request); | |
162 DCHECK_EQ(request, io_thread_only().sub_request->request()); | |
163 LOG(WARNING) << "Auth required to fetch URL, aborting."; | |
Sami
2017/03/22 17:00:45
TODO to implement this?
| |
164 request->CancelAuth(); | |
165 DispatchError(net::ERR_NOT_IMPLEMENTED); | |
166 } | |
167 | |
168 void DevToolsURLInterceptorRequestJob::OnResponseStarted( | |
169 net::URLRequest* request, | |
170 int net_error) { | |
171 DCHECK_CURRENTLY_ON(BrowserThread::IO); | |
172 DCHECK(io_thread_only().sub_request); | |
173 DCHECK_EQ(request, io_thread_only().sub_request->request()); | |
174 DCHECK_NE(net::ERR_IO_PENDING, net_error); | |
175 | |
176 if (net_error != net::OK) { | |
177 io_thread_only().sub_request->Cancel(); | |
178 DispatchError(static_cast<net::Error>(net_error)); | |
179 return; | |
180 } | |
181 | |
182 request->response_info().headers->RemoveHeader(kDevToolsInterceptId); | |
183 request->response_info().headers->AddHeader(base::StringPrintf( | |
184 "%s: %s", kDevToolsInterceptId, intercept_id_.c_str())); | |
185 | |
186 NotifyHeadersComplete(); | |
187 } | |
188 | |
189 void DevToolsURLInterceptorRequestJob::OnReadCompleted(net::URLRequest* request, | |
190 int num_bytes) { | |
191 DCHECK_CURRENTLY_ON(BrowserThread::IO); | |
192 DCHECK_EQ(request, io_thread_only().sub_request->request()); | |
193 | |
194 ReadRawDataComplete(num_bytes); | |
195 } | |
196 | |
197 void DevToolsURLInterceptorRequestJob::OnReceivedRedirect( | |
198 net::URLRequest* request, | |
199 const net::RedirectInfo& redirectinfo, | |
200 bool* defer_redirect) { | |
201 DCHECK_CURRENTLY_ON(BrowserThread::IO); | |
202 *defer_redirect = true; | |
203 | |
204 size_t iter = 0; | |
205 std::string header_name; | |
206 std::string header_value; | |
207 std::unique_ptr<protocol::DictionaryValue> headers_dict( | |
208 protocol::DictionaryValue::create()); | |
209 while (request->response_headers()->EnumerateHeaderLines(&iter, &header_name, | |
210 &header_value)) { | |
211 headers_dict->setString(header_name, header_value); | |
212 } | |
213 | |
214 io_thread_only().redirect.reset(new net::RedirectInfo(redirectinfo)); | |
215 io_thread_only().sub_request->Cancel(); | |
216 io_thread_only().sub_request.reset(); | |
217 | |
218 BrowserThread::PostTask( | |
219 BrowserThread::UI, FROM_HERE, | |
220 base::Bind(&DevToolsURLInterceptorRequestJob:: | |
221 SendInterceptedRedirectEventOnUiThread, | |
222 base::Unretained(this), base::Owned(headers_dict.release()), | |
Sami
2017/03/22 17:00:45
Ditto about WeakPtr.
alex clarke (OOO till 29th)
2017/03/23 12:25:10
Done.
| |
223 redirectinfo.status_code, redirectinfo.new_url.spec())); | |
224 } | |
225 | |
226 void DevToolsURLInterceptorRequestJob::SendInterceptedRedirectEventOnUiThread( | |
227 protocol::DictionaryValue* headers_dict, | |
228 int http_status_code, | |
229 std::string redirecturl) { | |
Sami
2017/03/22 17:00:45
nit: const ref, redirect_url
alex clarke (OOO till 29th)
2017/03/23 12:25:11
It can't be a const ref because this is posted by
| |
230 DCHECK_CURRENTLY_ON(BrowserThread::UI); | |
231 ui_thread_only().waiting_for_user_response = true; | |
232 | |
233 return network_handler_->frontend()->InterceptedRedirect( | |
234 intercept_id_, protocol::Object::fromValue(headers_dict, nullptr), | |
235 http_status_code, redirecturl); | |
236 } | |
237 | |
238 void DevToolsURLInterceptorRequestJob::OnSSLCertificateError( | |
Sami
2017/03/22 17:00:45
I'm trying to work out if this integrates with Iri
| |
239 net::URLRequest* request, | |
240 const net::SSLInfo& ssl_info, | |
241 bool fatal) { | |
242 DCHECK_CURRENTLY_ON(BrowserThread::IO); | |
243 DCHECK(io_thread_only().sub_request); | |
244 DCHECK_EQ(request, io_thread_only().sub_request->request()); | |
245 | |
246 // Revocation check failures are not fatal. | |
247 if (net::IsCertStatusMinorError(ssl_info.cert_status)) { | |
248 request->ContinueDespiteLastError(); | |
249 return; | |
250 } | |
251 LOG(WARNING) << "SSL certificate error, aborting."; | |
252 | |
253 // Certificate errors are in same space as net errors. | |
254 io_thread_only().sub_request->Cancel(); | |
255 DispatchError(static_cast<net::Error>( | |
256 net::MapCertStatusToNetError(ssl_info.cert_status))); | |
257 } | |
258 | |
259 bool DevToolsURLInterceptorRequestJob::OnAllow() { | |
260 DCHECK_CURRENTLY_ON(BrowserThread::UI); | |
261 if (!ui_thread_only().waiting_for_user_response) | |
262 return false; | |
263 ui_thread_only().waiting_for_user_response = false; | |
264 io_thread_task_runner_->PostTask( | |
265 FROM_HERE, | |
266 base::Bind(&DevToolsURLInterceptorRequestJob::ProcessOnAllowOnIoThread, | |
267 base::Unretained(this))); | |
268 return true; | |
269 } | |
270 | |
271 void DevToolsURLInterceptorRequestJob::ProcessOnAllowOnIoThread() { | |
272 DCHECK_CURRENTLY_ON(BrowserThread::IO); | |
273 if (io_thread_only().redirect) { | |
274 std::string raw_headers = base::StringPrintf( | |
275 "HTTP/1.1 %d", io_thread_only().redirect->status_code); | |
Sami
2017/03/22 17:00:44
Missing the reason-phrase -- I'm sure there's a he
alex clarke (OOO till 29th)
2017/03/23 12:25:10
Seems pointless adding it because net::HttpRespons
Sami
2017/03/24 10:53:51
Okay, but maybe add a short comment about it since
| |
276 raw_headers.append(1, '\0'); | |
277 raw_headers.append("Location: "); | |
278 raw_headers.append(io_thread_only().redirect->new_url.spec()); | |
279 raw_headers.append(2, '\0'); | |
280 io_thread_only().mock_response.reset(new MockResponse( | |
281 make_scoped_refptr(new net::HttpResponseHeaders(raw_headers)), "", 0, | |
282 base::TimeTicks::Now())); | |
283 io_thread_only().redirect.reset(); | |
284 interceptor_state_->ExpectRequestAfterRedirect(request(), intercept_id_); | |
285 NotifyHeadersComplete(); | |
286 } else { | |
287 io_thread_only().sub_request.reset(new SubRequest( | |
Sami
2017/03/22 17:00:45
Dumb question: Why can't we reuse the original req
alex clarke (OOO till 29th)
2017/03/23 12:25:10
I added a comment where I try to explain.
| |
288 io_thread_only().request_details, interceptor_state_, this)); | |
289 } | |
290 } | |
291 | |
292 bool DevToolsURLInterceptorRequestJob::OnBlock(net::Error error_reason) { | |
293 DCHECK_CURRENTLY_ON(BrowserThread::UI); | |
294 if (!ui_thread_only().waiting_for_user_response) | |
295 return false; | |
296 ui_thread_only().waiting_for_user_response = false; | |
297 DispatchError(error_reason); | |
298 return true; | |
299 } | |
300 | |
301 bool DevToolsURLInterceptorRequestJob::OnModifyRequest( | |
302 protocol::Maybe<protocol::String> url, | |
303 protocol::Maybe<protocol::String> method, | |
304 protocol::Maybe<protocol::String> post_data, | |
305 protocol::Maybe<protocol::Network::Headers> headers) { | |
306 DCHECK_CURRENTLY_ON(BrowserThread::UI); | |
307 if (!ui_thread_only().waiting_for_user_response) | |
308 return false; | |
309 ui_thread_only().waiting_for_user_response = false; | |
310 io_thread_task_runner_->PostTask( | |
311 FROM_HERE, | |
312 base::Bind(&DevToolsURLInterceptorRequestJob::ModifyRequestOnIoThread, | |
313 base::Unretained(this), | |
Sami
2017/03/22 17:00:44
Ditto for WeakPtr
alex clarke (OOO till 29th)
2017/03/23 12:25:10
Done.
| |
314 base::Passed(base::MakeUnique<ModifyRequest>( | |
315 std::move(url), std::move(method), std::move(post_data), | |
316 std::move(headers))))); | |
317 return true; | |
318 } | |
319 | |
320 void DevToolsURLInterceptorRequestJob::ModifyRequestOnIoThread( | |
321 std::unique_ptr<ModifyRequest> modify_request) { | |
322 DCHECK_CURRENTLY_ON(BrowserThread::IO); | |
323 | |
324 // Note this redirect is not visible to the caller by design. If they want a | |
325 // visible redirect they can mock a response with a 302. | |
326 if (modify_request->url.isJust()) | |
327 io_thread_only().request_details.url = GURL(modify_request->url.fromJust()); | |
328 | |
329 if (modify_request->method.isJust()) | |
330 io_thread_only().request_details.method = modify_request->method.fromJust(); | |
331 | |
332 if (modify_request->post_data.isJust()) | |
Sami
2017/03/22 17:00:45
nit: {}
alex clarke (OOO till 29th)
2017/03/23 12:25:10
Done.
| |
333 io_thread_only().request_details.post_data = | |
334 modify_request->post_data.fromJust(); | |
335 | |
336 if (modify_request->headers.isJust()) { | |
337 io_thread_only().request_details.extra_request_headers.Clear(); | |
338 std::unique_ptr<protocol::DictionaryValue> headers = | |
339 modify_request->headers.fromJust()->toValue(); | |
340 for (size_t i = 0; i < headers->size(); i++) { | |
341 protocol::String value; | |
342 if (headers->at(i).second->asString(&value)) { | |
343 io_thread_only().request_details.extra_request_headers.SetHeader( | |
344 headers->at(i).first, value); | |
345 } | |
346 } | |
347 } | |
348 | |
349 io_thread_only().sub_request.reset(new SubRequest( | |
350 io_thread_only().request_details, interceptor_state_, this)); | |
351 } | |
352 | |
353 bool DevToolsURLInterceptorRequestJob::OnMockResponse( | |
354 const protocol::String& raw_response) { | |
355 DCHECK_CURRENTLY_ON(BrowserThread::UI); | |
356 if (!ui_thread_only().waiting_for_user_response) | |
357 return false; | |
358 ui_thread_only().waiting_for_user_response = false; | |
359 io_thread_task_runner_->PostTask( | |
360 FROM_HERE, | |
361 base::Bind( | |
362 &DevToolsURLInterceptorRequestJob::ProcessMockResponeOnIoThread, | |
Sami
2017/03/22 17:00:45
typo: response
alex clarke (OOO till 29th)
2017/03/23 12:25:10
Done.
| |
363 base::Unretained(this), raw_response)); | |
364 return true; | |
365 } | |
366 | |
367 void DevToolsURLInterceptorRequestJob::ProcessMockResponeOnIoThread( | |
368 protocol::String raw_response) { | |
369 DCHECK_CURRENTLY_ON(BrowserThread::IO); | |
370 io_thread_only().mock_response.reset(new MockResponse( | |
371 std::move(raw_response), base::TimeTicks::Now(), intercept_id_)); | |
372 | |
373 std::string value; | |
374 if (io_thread_only().mock_response->response_headers()->IsRedirect(&value)) | |
375 interceptor_state_->ExpectRequestAfterRedirect(request(), intercept_id_); | |
376 | |
377 NotifyHeadersComplete(); | |
378 } | |
379 | |
380 void DevToolsURLInterceptorRequestJob::DispatchError(net::Error reason) { | |
381 DCHECK_NE(reason, net::OK); | |
382 io_thread_task_runner_->PostTask( | |
383 FROM_HERE, | |
384 base::Bind(&DevToolsURLInterceptorRequestJob::NotifyStartError, | |
385 base::Unretained(this), | |
386 net::URLRequestStatus(net::URLRequestStatus::FAILED, reason))); | |
387 } | |
388 | |
389 namespace { | |
390 std::string GetUploadData(net::URLRequest* request) { | |
391 if (!request->has_upload()) | |
392 return ""; | |
393 | |
394 const net::UploadDataStream* stream = request->get_upload(); | |
395 if (!stream->GetElementReaders()) | |
396 return ""; | |
397 | |
398 DCHECK_EQ(1u, stream->GetElementReaders()->size()); | |
399 const net::UploadBytesElementReader* reader = | |
400 (*stream->GetElementReaders())[0]->AsBytesReader(); | |
401 return std::string(reader->bytes(), reader->length()); | |
Sami
2017/03/22 17:00:45
This could be several GB. I wonder if there's a wa
alex clarke (OOO till 29th)
2017/03/23 12:25:10
Done.
| |
402 } | |
403 } // namespace | |
404 | |
405 DevToolsURLInterceptorRequestJob::IoThreadOnly::IoThreadOnly( | |
406 net::URLRequest* request) | |
407 : request_details(request->url(), | |
408 request->method(), | |
409 GetUploadData(request), | |
410 request->extra_request_headers(), | |
411 request->priority(), | |
412 request->context()) {} | |
413 | |
414 DevToolsURLInterceptorRequestJob::IoThreadOnly::~IoThreadOnly() {} | |
415 | |
416 DevToolsURLInterceptorRequestJob::UiThreadOnly::UiThreadOnly() | |
417 : waiting_for_user_response(false) {} | |
418 | |
419 DevToolsURLInterceptorRequestJob::ModifyRequest::ModifyRequest( | |
420 protocol::Maybe<protocol::String> url, | |
421 protocol::Maybe<protocol::String> method, | |
422 protocol::Maybe<protocol::String> post_data, | |
423 protocol::Maybe<protocol::Network::Headers> headers) | |
424 : url(std::move(url)), | |
425 method(std::move(method)), | |
426 post_data(std::move(post_data)), | |
427 headers(std::move(headers)) {} | |
428 | |
429 DevToolsURLInterceptorRequestJob::ModifyRequest::~ModifyRequest() {} | |
430 | |
431 DevToolsURLInterceptorRequestJob::RequestDetails::RequestDetails( | |
432 const GURL& url, | |
433 const std::string& method, | |
434 const std::string& post_data, | |
435 const net::HttpRequestHeaders& extra_request_headers, | |
436 const net::RequestPriority& priority, | |
437 const net::URLRequestContext* url_request_context) | |
438 : url(url), | |
439 method(method), | |
440 post_data(post_data), | |
441 extra_request_headers(extra_request_headers), | |
442 priority(priority), | |
443 url_request_context(url_request_context) {} | |
444 | |
445 DevToolsURLInterceptorRequestJob::RequestDetails::~RequestDetails() {} | |
446 | |
447 DevToolsURLInterceptorRequestJob::SubRequest::SubRequest( | |
448 const DevToolsURLInterceptorRequestJob::RequestDetails& request_details, | |
449 base::WeakPtr<DevToolsURLRequestInterceptor::State> interceptor_state, | |
450 DevToolsURLInterceptorRequestJob* devtools_interceptor_request_job) | |
451 : buf_(new net::IOBuffer(kBufSize)), | |
452 interceptor_state_(interceptor_state), | |
453 devtools_interceptor_request_job_(devtools_interceptor_request_job), | |
454 fetch_in_progress_(true) { | |
455 DCHECK_CURRENTLY_ON(BrowserThread::IO); | |
456 request_ = request_details.url_request_context->CreateRequest( | |
Sami
2017/03/22 17:00:45
FWIW this method has a comment saying it shouldn't
alex clarke (OOO till 29th)
2017/03/23 12:25:10
Yeah I noticed that. I've no idea what to put in
| |
457 request_details.url, request_details.priority, | |
458 devtools_interceptor_request_job_), | |
459 request_->set_method(request_details.method); | |
460 request_->SetExtraRequestHeaders(request_details.extra_request_headers); | |
461 | |
462 if (!request_details.post_data.empty()) { | |
463 std::unique_ptr<net::UploadElementReader> reader( | |
464 new net::UploadBytesElementReader(request_details.post_data.data(), | |
465 request_details.post_data.size())); | |
466 request_->set_upload( | |
467 net::ElementsUploadDataStream::CreateWithReader(std::move(reader), 0)); | |
468 } | |
469 | |
470 DCHECK(interceptor_state); | |
471 interceptor_state->RegisterSubRequest(request_.get()); | |
472 request_->Start(); | |
473 } | |
474 | |
475 DevToolsURLInterceptorRequestJob::SubRequest::~SubRequest() { | |
476 DCHECK_CURRENTLY_ON(BrowserThread::IO); | |
477 if (interceptor_state_) | |
478 interceptor_state_->UnregisterSubRequest(request_.get()); | |
479 } | |
480 | |
481 void DevToolsURLInterceptorRequestJob::SubRequest::Cancel() { | |
482 DCHECK_CURRENTLY_ON(BrowserThread::IO); | |
483 if (!fetch_in_progress_) | |
484 return; | |
485 | |
486 fetch_in_progress_ = false; | |
487 request_->Cancel(); | |
488 } | |
489 | |
490 DevToolsURLInterceptorRequestJob::MockResponse::MockResponse( | |
491 std::string response_bytes, | |
492 base::TimeTicks response_time, | |
493 const std::string& intercept_id) | |
494 : response_bytes_(std::move(response_bytes)), | |
495 read_offset_(0), | |
496 response_time_(response_time) { | |
497 int header_size = net::HttpUtil::LocateEndOfHeaders(response_bytes_.c_str(), | |
498 response_bytes_.size()); | |
499 if (header_size == -1) { | |
500 LOG(WARNING) << "Can't find headers in result"; | |
501 response_headers_ = new net::HttpResponseHeaders(""); | |
502 } else { | |
503 response_headers_ = | |
504 new net::HttpResponseHeaders(net::HttpUtil::AssembleRawHeaders( | |
505 response_bytes_.c_str(), header_size)); | |
506 read_offset_ = header_size; | |
507 } | |
508 | |
509 response_headers_->RemoveHeader(kDevToolsInterceptId); | |
510 response_headers_->AddHeader( | |
511 base::StringPrintf("%s: %s", kDevToolsInterceptId, intercept_id.c_str())); | |
512 | |
513 CHECK_LE(read_offset_, response_bytes_.size()); | |
514 } | |
515 | |
516 DevToolsURLInterceptorRequestJob::MockResponse::MockResponse( | |
517 const scoped_refptr<net::HttpResponseHeaders>& response_headers, | |
518 std::string response_bytes, | |
519 size_t read_offset, | |
520 base::TimeTicks response_time) | |
521 : response_headers_(response_headers), | |
522 response_bytes_(std::move(response_bytes)), | |
523 read_offset_(read_offset), | |
524 response_time_(response_time) {} | |
525 | |
526 DevToolsURLInterceptorRequestJob::MockResponse::~MockResponse() {} | |
527 | |
528 int DevToolsURLInterceptorRequestJob::MockResponse::ReadRawData( | |
529 net::IOBuffer* buf, | |
530 int buf_size) { | |
531 size_t bytes_available = response_bytes_.size() - read_offset_; | |
532 size_t bytes_to_copy = | |
533 std::min(static_cast<size_t>(buf_size), bytes_available); | |
534 if (bytes_to_copy > 0) { | |
535 std::memcpy(buf->data(), &response_bytes_.c_str()[read_offset_], | |
Sami
2017/03/22 17:00:45
c_str() -> data() since this doesn't need null ter
alex clarke (OOO till 29th)
2017/03/23 12:25:10
Done.
| |
536 bytes_to_copy); | |
537 read_offset_ += bytes_to_copy; | |
538 } | |
539 return bytes_to_copy; | |
540 } | |
541 | |
542 } // namespace content | |
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