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| 1 // Copyright (c) 2011 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 // This class simulates what wininet does when a dns lookup fails. |
| 5 |
| 6 #include <algorithm> |
| 7 #include <cstring> |
| 8 |
| 9 #include "base/compiler_specific.h" |
| 10 #include "base/string_util.h" |
| 11 #include "base/task.h" |
| 12 #include "content/browser/browser_thread.h" |
| 13 #include "content/browser/net/url_request_abort_on_end_job.h" |
| 14 #include "net/base/io_buffer.h" |
| 15 #include "net/base/net_errors.h" |
| 16 #include "net/http/http_response_headers.h" |
| 17 #include "net/url_request/url_request_filter.h" |
| 18 #include "net/url_request/url_request_status.h" |
| 19 |
| 20 namespace { |
| 21 const char kPageContent[] = "some data\r\n"; |
| 22 } |
| 23 |
| 24 const char URLRequestAbortOnEndJob::k400AbortOnEndUrl[] = |
| 25 "http://url.handled.by.abort.on.end/400"; |
| 26 |
| 27 // static |
| 28 void URLRequestAbortOnEndJob::AddUrlHandler() { |
| 29 net::URLRequestFilter* filter = net::URLRequestFilter::GetInstance(); |
| 30 filter->AddUrlHandler(GURL(k400AbortOnEndUrl), |
| 31 &URLRequestAbortOnEndJob::Factory); |
| 32 } |
| 33 |
| 34 // static |
| 35 net::URLRequestJob* URLRequestAbortOnEndJob::Factory( |
| 36 net::URLRequest* request, |
| 37 const std::string& scheme) { |
| 38 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); |
| 39 return new URLRequestAbortOnEndJob(request); |
| 40 } |
| 41 |
| 42 // Private const version. |
| 43 void URLRequestAbortOnEndJob::GetResponseInfoConst( |
| 44 net::HttpResponseInfo* info) const { |
| 45 // Send back mock headers. |
| 46 std::string raw_headers; |
| 47 if (LowerCaseEqualsASCII(k400AbortOnEndUrl, |
| 48 request_->url().spec().c_str())) { |
| 49 raw_headers.append( |
| 50 "HTTP/1.1 400 This is not OK\n" |
| 51 "Content-type: text/plain\n"); |
| 52 } else { |
| 53 NOTREACHED(); |
| 54 } |
| 55 // ParseRawHeaders expects \0 to end each header line. |
| 56 ReplaceSubstringsAfterOffset(&raw_headers, 0, "\n", std::string("\0", 1)); |
| 57 info->headers = new net::HttpResponseHeaders(raw_headers); |
| 58 } |
| 59 |
| 60 URLRequestAbortOnEndJob::URLRequestAbortOnEndJob(net::URLRequest* request) |
| 61 : URLRequestJob(request), sent_data_(false), |
| 62 ALLOW_THIS_IN_INITIALIZER_LIST(weak_factory_(this)) { |
| 63 } |
| 64 |
| 65 URLRequestAbortOnEndJob::~URLRequestAbortOnEndJob() { |
| 66 } |
| 67 |
| 68 void URLRequestAbortOnEndJob::GetResponseInfo(net::HttpResponseInfo* info) { |
| 69 GetResponseInfoConst(info); |
| 70 } |
| 71 |
| 72 bool URLRequestAbortOnEndJob::GetMimeType(std::string* mime_type) const { |
| 73 net::HttpResponseInfo info; |
| 74 GetResponseInfoConst(&info); |
| 75 return info.headers && info.headers->GetMimeType(mime_type); |
| 76 } |
| 77 |
| 78 void URLRequestAbortOnEndJob::StartAsync() { |
| 79 NotifyHeadersComplete(); |
| 80 } |
| 81 |
| 82 void URLRequestAbortOnEndJob::Start() { |
| 83 MessageLoop::current()->PostTask( |
| 84 FROM_HERE, |
| 85 base::Bind(&URLRequestAbortOnEndJob::StartAsync, |
| 86 weak_factory_.GetWeakPtr())); |
| 87 } |
| 88 |
| 89 bool URLRequestAbortOnEndJob::ReadRawData(net::IOBuffer* buf, |
| 90 const int max_bytes, |
| 91 int* bytes_read) { |
| 92 if (!sent_data_) { |
| 93 *bytes_read = std::max(size_t(max_bytes), sizeof(kPageContent)); |
| 94 std::memcpy(buf->data(), kPageContent, *bytes_read); |
| 95 sent_data_ = true; |
| 96 return true; |
| 97 } |
| 98 |
| 99 SetStatus(net::URLRequestStatus(net::URLRequestStatus::FAILED, |
| 100 net::ERR_CONNECTION_ABORTED)); |
| 101 *bytes_read = -1; |
| 102 return false; |
| 103 } |
| 104 |
| 105 |
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