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// Copyright 2014 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 "net/test/url_request/url_request_mock_data_job.h"
#include "base/bind.h"
#include "base/location.h"
#include "base/macros.h"
#include "base/memory/ptr_util.h"
#include "base/single_thread_task_runner.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/stringprintf.h"
#include "base/threading/thread_task_runner_handle.h"
#include "net/base/io_buffer.h"
#include "net/base/url_util.h"
#include "net/http/http_request_headers.h"
#include "net/http/http_response_headers.h"
#include "net/http/http_util.h"
#include "net/ssl/ssl_cert_request_info.h"
#include "net/url_request/url_request_filter.h"
namespace net {
namespace {
const char kMockHostname[] = "mock.data";
// Gets the data from URL of the form:
// scheme://kMockHostname/?data=abc&repeat_count=nnn.
std::string GetDataFromRequest(const URLRequest& request) {
std::string value;
if (!GetValueForKeyInQuery(request.url(), "data", &value))
return "default_data";
return value;
}
// Gets the numeric repeat count from URL of the form:
// scheme://kMockHostname/?data=abc&repeat_count=nnn.
int GetRepeatCountFromRequest(const URLRequest& request) {
std::string value;
if (!GetValueForKeyInQuery(request.url(), "repeat", &value))
return 1;
int repeat_count;
if (!base::StringToInt(value, &repeat_count))
return 1;
DCHECK_GT(repeat_count, 0);
return repeat_count;
}
// Gets the requestcert flag from URL.
bool GetRequestClientCertificate(const URLRequest& request) {
std::string ignored_value;
return GetValueForKeyInQuery(request.url(), "requestcert", &ignored_value);
}
GURL GetMockUrl(const std::string& scheme,
const std::string& hostname,
const std::string& data,
int data_repeat_count,
bool request_client_certificate) {
DCHECK_GT(data_repeat_count, 0);
std::string url(scheme + "://" + hostname + "/");
url.append("?data=");
url.append(data);
url.append("&repeat=");
url.append(base::IntToString(data_repeat_count));
if (request_client_certificate)
url += "&requestcert=1";
return GURL(url);
}
class MockJobInterceptor : public URLRequestInterceptor {
public:
MockJobInterceptor() {}
~MockJobInterceptor() override {}
// URLRequestInterceptor implementation
URLRequestJob* MaybeInterceptRequest(
URLRequest* request,
NetworkDelegate* network_delegate) const override {
return new URLRequestMockDataJob(request, network_delegate,
GetDataFromRequest(*request),
GetRepeatCountFromRequest(*request),
GetRequestClientCertificate(*request));
}
private:
DISALLOW_COPY_AND_ASSIGN(MockJobInterceptor);
};
} // namespace
URLRequestMockDataJob::URLRequestMockDataJob(URLRequest* request,
NetworkDelegate* network_delegate,
const std::string& data,
int data_repeat_count,
bool request_client_certificate)
: URLRequestJob(request, network_delegate),
data_offset_(0),
request_client_certificate_(request_client_certificate),
weak_factory_(this) {
DCHECK_GT(data_repeat_count, 0);
for (int i = 0; i < data_repeat_count; ++i) {
data_.append(data);
}
}
void URLRequestMockDataJob::Start() {
// Start reading asynchronously so that all error reporting and data
// callbacks happen as they would for network requests.
base::ThreadTaskRunnerHandle::Get()->PostTask(
FROM_HERE, base::Bind(&URLRequestMockDataJob::StartAsync,
weak_factory_.GetWeakPtr()));
}
URLRequestMockDataJob::~URLRequestMockDataJob() {
}
int URLRequestMockDataJob::ReadRawData(IOBuffer* buf, int buf_size) {
int bytes_read =
std::min(static_cast<size_t>(buf_size), data_.length() - data_offset_);
memcpy(buf->data(), data_.c_str() + data_offset_, bytes_read);
data_offset_ += bytes_read;
return bytes_read;
}
int URLRequestMockDataJob::GetResponseCode() const {
HttpResponseInfo info;
GetResponseInfoConst(&info);
return info.headers->response_code();
}
void URLRequestMockDataJob::ContinueWithCertificate(
X509Certificate* client_cert,
SSLPrivateKey* client_private_key) {
DCHECK(request_client_certificate_);
NotifyHeadersComplete();
}
// Public virtual version.
void URLRequestMockDataJob::GetResponseInfo(HttpResponseInfo* info) {
// Forward to private const version.
GetResponseInfoConst(info);
}
// Private const version.
void URLRequestMockDataJob::GetResponseInfoConst(HttpResponseInfo* info) const {
// Send back mock headers.
std::string raw_headers;
raw_headers.append(
"HTTP/1.1 200 OK\n"
"Content-type: text/plain\n");
raw_headers.append(base::StringPrintf("Content-Length: %1d\n",
static_cast<int>(data_.length())));
info->headers = new HttpResponseHeaders(HttpUtil::AssembleRawHeaders(
raw_headers.c_str(), static_cast<int>(raw_headers.length())));
}
void URLRequestMockDataJob::StartAsync() {
if (!request_)
return;
set_expected_content_size(data_.length());
if (request_client_certificate_) {
scoped_refptr<SSLCertRequestInfo> request_all(new SSLCertRequestInfo());
NotifyCertificateRequested(request_all.get());
return;
}
NotifyHeadersComplete();
}
// static
void URLRequestMockDataJob::AddUrlHandler() {
return AddUrlHandlerForHostname(kMockHostname);
}
// static
void URLRequestMockDataJob::AddUrlHandlerForHostname(
const std::string& hostname) {
// Add |hostname| to URLRequestFilter for HTTP and HTTPS.
URLRequestFilter* filter = URLRequestFilter::GetInstance();
filter->AddHostnameInterceptor("http", hostname,
base::MakeUnique<MockJobInterceptor>());
filter->AddHostnameInterceptor("https", hostname,
base::MakeUnique<MockJobInterceptor>());
}
// static
GURL URLRequestMockDataJob::GetMockHttpUrl(const std::string& data,
int repeat_count) {
return GetMockHttpUrlForHostname(kMockHostname, data, repeat_count);
}
// static
GURL URLRequestMockDataJob::GetMockHttpsUrl(const std::string& data,
int repeat_count) {
return GetMockHttpsUrlForHostname(kMockHostname, data, repeat_count);
}
GURL URLRequestMockDataJob::GetMockUrlForClientCertificateRequest() {
return GetMockUrl("https", kMockHostname, "data", 1, true);
}
// static
GURL URLRequestMockDataJob::GetMockHttpUrlForHostname(
const std::string& hostname,
const std::string& data,
int repeat_count) {
return GetMockUrl("http", hostname, data, repeat_count, false);
}
// static
GURL URLRequestMockDataJob::GetMockHttpsUrlForHostname(
const std::string& hostname,
const std::string& data,
int repeat_count) {
return GetMockUrl("https", hostname, data, repeat_count, false);
}
} // namespace net
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