content/test/net/url_request_abort_on_end_job.cc

   1 // Copyright (c) 2012 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/location.h"
  11 #include "base/single_thread_task_runner.h"
  12 #include "base/strings/string_util.h"
  13 #include "base/thread_task_runner_handle.h"
  14 #include "content/public/browser/browser_thread.h"
  15 #include "content/test/net/url_request_abort_on_end_job.h"
  16 #include "net/base/io_buffer.h"
  17 #include "net/base/net_errors.h"
  18 #include "net/http/http_response_headers.h"
  19 #include "net/url_request/url_request.h"
  20 #include "net/url_request/url_request_filter.h"
  21 #include "net/url_request/url_request_interceptor.h"
  22 #include "net/url_request/url_request_status.h"
  23
  24 namespace content {
  25 namespace {
  26
  27 const char kPageContent[] = "some data\r\n";
  28
  29 class Interceptor : public net::URLRequestInterceptor {
  30  public:
  31   Interceptor() {}
  32   ~Interceptor() override {}
  33
  34   // URLRequestInterceptor implementation:
  35   net::URLRequestJob* MaybeInterceptRequest(
  36       net::URLRequest* request,
  37       net::NetworkDelegate* network_delegate) const override {
  38     DCHECK_CURRENTLY_ON(BrowserThread::IO);
  39     return new URLRequestAbortOnEndJob(request, network_delegate);
  40   }
  41
  42  private:
  43   DISALLOW_COPY_AND_ASSIGN(Interceptor);
  44 };
  45
  46 void AddUrlHandlerOnIOThread() {
  47   DCHECK_CURRENTLY_ON(BrowserThread::IO);
  48   net::URLRequestFilter* filter = net::URLRequestFilter::GetInstance();
  49   filter->AddUrlInterceptor(
  50       GURL(URLRequestAbortOnEndJob::k400AbortOnEndUrl),
  51       scoped_ptr<net::URLRequestInterceptor>(new Interceptor()));
  52 }
  53
  54 }  // anonymous namespace
  55
  56 const char URLRequestAbortOnEndJob::k400AbortOnEndUrl[] =
  57     "http://url.handled.by.abort.on.end/400";
  58
  59 // static
  60 void URLRequestAbortOnEndJob::AddUrlHandler() {
  61   BrowserThread::PostTask(BrowserThread::IO, FROM_HERE,
  62                           base::Bind(AddUrlHandlerOnIOThread));
  63 }
  64
  65 // Private const version.
  66 void URLRequestAbortOnEndJob::GetResponseInfoConst(
  67     net::HttpResponseInfo* info) const {
  68   // Send back mock headers.
  69   std::string raw_headers;
  70   if (base::LowerCaseEqualsASCII(k400AbortOnEndUrl,
  71                                  request_->url().spec().c_str())) {
  72     raw_headers.append(
  73       "HTTP/1.1 400 This is not OK\n"
  74       "Content-type: text/plain\n");
  75   } else {
  76     NOTREACHED();
  77   }
  78   // ParseRawHeaders expects \0 to end each header line.
  79   ReplaceSubstringsAfterOffset(&raw_headers, 0, "\n", std::string("\0", 1));
  80   info->headers = new net::HttpResponseHeaders(raw_headers);
  81 }
  82
  83 URLRequestAbortOnEndJob::URLRequestAbortOnEndJob(
  84     net::URLRequest* request, net::NetworkDelegate* network_delegate)
  85     : URLRequestJob(request, network_delegate),
  86       sent_data_(false),
  87       weak_factory_(this) {
  88 }
  89
  90 URLRequestAbortOnEndJob::~URLRequestAbortOnEndJob() {
  91 }
  92
  93 void URLRequestAbortOnEndJob::GetResponseInfo(net::HttpResponseInfo* info) {
  94   GetResponseInfoConst(info);
  95 }
  96
  97 bool URLRequestAbortOnEndJob::GetMimeType(std::string* mime_type) const {
  98   net::HttpResponseInfo info;
  99   GetResponseInfoConst(&info);
 100   return info.headers.get() && info.headers->GetMimeType(mime_type);
 101 }
 102
 103 void URLRequestAbortOnEndJob::StartAsync() {
 104   NotifyHeadersComplete();
 105 }
 106
 107 void URLRequestAbortOnEndJob::Start() {
 108   base::ThreadTaskRunnerHandle::Get()->PostTask(
 109       FROM_HERE, base::Bind(&URLRequestAbortOnEndJob::StartAsync,
 110                             weak_factory_.GetWeakPtr()));
 111 }
 112
 113 bool URLRequestAbortOnEndJob::ReadRawData(net::IOBuffer* buf,
 114                                           const int max_bytes,
 115                                           int* bytes_read) {
 116   if (!sent_data_) {
 117     *bytes_read = std::min(size_t(max_bytes), sizeof(kPageContent));
 118     std::memcpy(buf->data(), kPageContent, *bytes_read);
 119     sent_data_ = true;
 120     return true;
 121   }
 122
 123   SetStatus(net::URLRequestStatus(net::URLRequestStatus::FAILED,
 124                                   net::ERR_CONNECTION_ABORTED));
 125   *bytes_read = -1;
 126   return false;
 127 }
 128
 129 }  // namespace content