| // Copyright 2013 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 "chrome/browser/component_updater/test/url_request_post_interceptor.h" |
| #include "base/file_util.h" |
| #include "base/memory/scoped_ptr.h" |
| #include "base/strings/stringprintf.h" |
| #include "content/public/test/test_browser_thread.h" |
| #include "net/base/upload_bytes_element_reader.h" |
| #include "net/url_request/url_request.h" |
| #include "net/url_request/url_request_filter.h" |
| #include "net/url_request/url_request_interceptor.h" |
| #include "net/url_request/url_request_simple_job.h" |
| #include "net/url_request/url_request_test_util.h" |
| |
| using content::BrowserThread; |
| |
| namespace component_updater { |
| |
| // Returns a canned response. |
| class URLRequestMockJob : public net::URLRequestSimpleJob { |
| public: |
| URLRequestMockJob(net::URLRequest* request, |
| net::NetworkDelegate* network_delegate, |
| const std::string& response) |
| : net::URLRequestSimpleJob(request, network_delegate), |
| response_(response) {} |
| |
| protected: |
| virtual int GetResponseCode() const OVERRIDE { return 200; } |
| |
| virtual int GetData(std::string* mime_type, |
| std::string* charset, |
| std::string* data, |
| const net::CompletionCallback& callback) const OVERRIDE { |
| mime_type->assign("text/plain"); |
| charset->assign("US-ASCII"); |
| data->assign(response_); |
| return net::OK; |
| } |
| |
| private: |
| virtual ~URLRequestMockJob() {} |
| |
| std::string response_; |
| DISALLOW_COPY_AND_ASSIGN(URLRequestMockJob); |
| }; |
| |
| URLRequestPostInterceptor::URLRequestPostInterceptor(const GURL& url) |
| : url_(url), hit_count_(0) { |
| } |
| |
| URLRequestPostInterceptor::~URLRequestPostInterceptor() { |
| CHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); |
| ClearExpectations(); |
| } |
| |
| void URLRequestPostInterceptor::ClearExpectations() { |
| while (!expectations_.empty()) { |
| Expectation expectation(expectations_.front()); |
| delete expectation.first; |
| expectations_.pop(); |
| } |
| } |
| |
| GURL URLRequestPostInterceptor::GetUrl() const { |
| return url_; |
| } |
| |
| bool URLRequestPostInterceptor::ExpectRequest( |
| class RequestMatcher* request_matcher) { |
| expectations_.push(std::make_pair(request_matcher, "")); |
| return true; |
| } |
| |
| bool URLRequestPostInterceptor::ExpectRequest( |
| class RequestMatcher* request_matcher, |
| const base::FilePath& filepath) { |
| std::string response; |
| if (filepath.empty() || !base::ReadFileToString(filepath, &response)) |
| return false; |
| expectations_.push(std::make_pair(request_matcher, response)); |
| return true; |
| } |
| |
| int URLRequestPostInterceptor::GetHitCount() const { |
| base::AutoLock auto_lock(interceptor_lock_); |
| return hit_count_; |
| } |
| |
| int URLRequestPostInterceptor::GetCount() const { |
| base::AutoLock auto_lock(interceptor_lock_); |
| return static_cast<int>(requests_.size()); |
| } |
| |
| std::vector<std::string> URLRequestPostInterceptor::GetRequests() const { |
| base::AutoLock auto_lock(interceptor_lock_); |
| return requests_; |
| } |
| |
| std::string URLRequestPostInterceptor::GetRequestsAsString() const { |
| std::vector<std::string> requests(GetRequests()); |
| |
| std::string s = "Requests are:"; |
| |
| int i = 0; |
| for (std::vector<std::string>::const_iterator it = requests.begin(); |
| it != requests.end(); |
| ++it) { |
| s.append(base::StringPrintf("\n (%d): %s", ++i, it->c_str())); |
| } |
| |
| return s; |
| } |
| |
| void URLRequestPostInterceptor::Reset() { |
| base::AutoLock auto_lock(interceptor_lock_); |
| hit_count_ = 0; |
| requests_.clear(); |
| ClearExpectations(); |
| } |
| |
| class URLRequestPostInterceptor::Delegate : public net::URLRequestInterceptor { |
| public: |
| Delegate(const std::string& scheme, const std::string& hostname) |
| : scheme_(scheme), hostname_(hostname) {} |
| |
| void Register() { |
| CHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); |
| net::URLRequestFilter::GetInstance()->AddHostnameInterceptor( |
| scheme_, hostname_, scoped_ptr<net::URLRequestInterceptor>(this)); |
| } |
| |
| void Unregister() { |
| CHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); |
| for (InterceptorMap::iterator it = interceptors_.begin(); |
| it != interceptors_.end(); |
| ++it) |
| delete (*it).second; |
| net::URLRequestFilter::GetInstance()->RemoveHostnameHandler(scheme_, |
| hostname_); |
| } |
| |
| void OnCreateInterceptor(URLRequestPostInterceptor* interceptor) { |
| CHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); |
| CHECK(interceptors_.find(interceptor->GetUrl()) == interceptors_.end()); |
| |
| interceptors_.insert(std::make_pair(interceptor->GetUrl(), interceptor)); |
| } |
| |
| private: |
| virtual ~Delegate() {} |
| |
| virtual net::URLRequestJob* MaybeInterceptRequest( |
| net::URLRequest* request, |
| net::NetworkDelegate* network_delegate) const OVERRIDE { |
| CHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); |
| |
| // Only intercepts POST. |
| if (!request->has_upload()) |
| return NULL; |
| |
| GURL url = request->url(); |
| if (url.has_query()) { |
| GURL::Replacements replacements; |
| replacements.ClearQuery(); |
| url = url.ReplaceComponents(replacements); |
| } |
| |
| InterceptorMap::const_iterator it(interceptors_.find(url)); |
| if (it == interceptors_.end()) |
| return NULL; |
| |
| // There is an interceptor hooked up for this url. Read the request body, |
| // check the existing expectations, and handle the matching case by |
| // popping the expectation off the queue, counting the match, and |
| // returning a mock object to serve the canned response. |
| URLRequestPostInterceptor* interceptor(it->second); |
| |
| const net::UploadDataStream* stream = request->get_upload(); |
| const net::UploadBytesElementReader* reader = |
| stream->element_readers()[0]->AsBytesReader(); |
| const int size = reader->length(); |
| scoped_refptr<net::IOBuffer> buffer(new net::IOBuffer(size)); |
| const std::string request_body(reader->bytes()); |
| |
| { |
| base::AutoLock auto_lock(interceptor->interceptor_lock_); |
| interceptor->requests_.push_back(request_body); |
| if (interceptor->expectations_.empty()) |
| return NULL; |
| const URLRequestPostInterceptor::Expectation& expectation( |
| interceptor->expectations_.front()); |
| if (expectation.first->Match(request_body)) { |
| const std::string response(expectation.second); |
| delete expectation.first; |
| interceptor->expectations_.pop(); |
| ++interceptor->hit_count_; |
| |
| return new URLRequestMockJob(request, network_delegate, response); |
| } |
| } |
| |
| return NULL; |
| } |
| |
| typedef std::map<GURL, URLRequestPostInterceptor*> InterceptorMap; |
| InterceptorMap interceptors_; |
| |
| const std::string scheme_; |
| const std::string hostname_; |
| |
| DISALLOW_COPY_AND_ASSIGN(Delegate); |
| }; |
| |
| URLRequestPostInterceptorFactory::URLRequestPostInterceptorFactory( |
| const std::string& scheme, |
| const std::string& hostname) |
| : scheme_(scheme), |
| hostname_(hostname), |
| delegate_(new URLRequestPostInterceptor::Delegate(scheme, hostname)) { |
| BrowserThread::PostTask( |
| BrowserThread::IO, |
| FROM_HERE, |
| base::Bind(&URLRequestPostInterceptor::Delegate::Register, |
| base::Unretained(delegate_))); |
| } |
| |
| URLRequestPostInterceptorFactory::~URLRequestPostInterceptorFactory() { |
| BrowserThread::PostTask( |
| BrowserThread::IO, |
| FROM_HERE, |
| base::Bind(&URLRequestPostInterceptor::Delegate::Unregister, |
| base::Unretained(delegate_))); |
| } |
| |
| URLRequestPostInterceptor* URLRequestPostInterceptorFactory::CreateInterceptor( |
| const base::FilePath& filepath) { |
| const GURL base_url( |
| base::StringPrintf("%s://%s", scheme_.c_str(), hostname_.c_str())); |
| GURL absolute_url(base_url.Resolve(filepath.MaybeAsASCII())); |
| URLRequestPostInterceptor* interceptor( |
| new URLRequestPostInterceptor(absolute_url)); |
| bool res = BrowserThread::PostTask( |
| BrowserThread::IO, |
| FROM_HERE, |
| base::Bind(&URLRequestPostInterceptor::Delegate::OnCreateInterceptor, |
| base::Unretained(delegate_), |
| base::Unretained(interceptor))); |
| if (!res) { |
| delete interceptor; |
| return NULL; |
| } |
| |
| return interceptor; |
| } |
| |
| } // namespace component_updater |