Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 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 | |
| 5 | #include "net/url_request/url_request_filter.h" |
| 6 | |
| 7 | #include <set> |
| 8 | |
| 9 | #include "base/logging.h" |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 10 | #include "base/stl_util.h" |
Torne (Richard Coles) | f8ee788 | 2014-06-20 14:52:04 +0100 | [diff] [blame] | 11 | #include "net/url_request/url_request_job_factory_impl.h" |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 12 | |
| 13 | namespace net { |
| 14 | |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 15 | namespace { |
| 16 | |
Torne (Richard Coles) | 46d4c2b | 2014-06-09 12:00:27 +0100 | [diff] [blame] | 17 | class URLRequestFilterInterceptor : public URLRequestInterceptor { |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 18 | public: |
Torne (Richard Coles) | 46d4c2b | 2014-06-09 12:00:27 +0100 | [diff] [blame] | 19 | explicit URLRequestFilterInterceptor(URLRequest::ProtocolFactory* factory) |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 20 | : factory_(factory) {} |
Torne (Richard Coles) | 46d4c2b | 2014-06-09 12:00:27 +0100 | [diff] [blame] | 21 | virtual ~URLRequestFilterInterceptor() {} |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 22 | |
Torne (Richard Coles) | 46d4c2b | 2014-06-09 12:00:27 +0100 | [diff] [blame] | 23 | // URLRequestInterceptor implementation. |
| 24 | virtual URLRequestJob* MaybeInterceptRequest( |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 25 | URLRequest* request, NetworkDelegate* network_delegate) const OVERRIDE { |
| 26 | return factory_(request, network_delegate, request->url().scheme()); |
| 27 | } |
| 28 | |
| 29 | private: |
| 30 | URLRequest::ProtocolFactory* factory_; |
| 31 | |
Torne (Richard Coles) | 46d4c2b | 2014-06-09 12:00:27 +0100 | [diff] [blame] | 32 | DISALLOW_COPY_AND_ASSIGN(URLRequestFilterInterceptor); |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 33 | }; |
| 34 | |
| 35 | } // namespace |
| 36 | |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 37 | URLRequestFilter* URLRequestFilter::shared_instance_ = NULL; |
| 38 | |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 39 | // static |
| 40 | URLRequestFilter* URLRequestFilter::GetInstance() { |
| 41 | if (!shared_instance_) |
| 42 | shared_instance_ = new URLRequestFilter; |
| 43 | return shared_instance_; |
| 44 | } |
| 45 | |
| 46 | void URLRequestFilter::AddHostnameHandler(const std::string& scheme, |
| 47 | const std::string& hostname, URLRequest::ProtocolFactory* factory) { |
Torne (Richard Coles) | 46d4c2b | 2014-06-09 12:00:27 +0100 | [diff] [blame] | 48 | AddHostnameInterceptor( |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 49 | scheme, hostname, |
Torne (Richard Coles) | 46d4c2b | 2014-06-09 12:00:27 +0100 | [diff] [blame] | 50 | scoped_ptr<URLRequestInterceptor>( |
| 51 | new URLRequestFilterInterceptor(factory))); |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 52 | } |
| 53 | |
Torne (Richard Coles) | 46d4c2b | 2014-06-09 12:00:27 +0100 | [diff] [blame] | 54 | void URLRequestFilter::AddHostnameInterceptor( |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 55 | const std::string& scheme, |
| 56 | const std::string& hostname, |
Torne (Richard Coles) | 46d4c2b | 2014-06-09 12:00:27 +0100 | [diff] [blame] | 57 | scoped_ptr<URLRequestInterceptor> interceptor) { |
| 58 | DCHECK_EQ(0u, hostname_interceptor_map_.count(make_pair(scheme, hostname))); |
| 59 | hostname_interceptor_map_[make_pair(scheme, hostname)] = |
| 60 | interceptor.release(); |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 61 | |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 62 | #ifndef NDEBUG |
Torne (Richard Coles) | 46d4c2b | 2014-06-09 12:00:27 +0100 | [diff] [blame] | 63 | // Check to see if we're masking URLs in the url_interceptor_map_. |
| 64 | for (URLInterceptorMap::const_iterator it = url_interceptor_map_.begin(); |
| 65 | it != url_interceptor_map_.end(); ++it) { |
| 66 | const GURL& url = GURL(it->first); |
| 67 | HostnameInterceptorMap::const_iterator host_it = |
| 68 | hostname_interceptor_map_.find(make_pair(url.scheme(), url.host())); |
| 69 | if (host_it != hostname_interceptor_map_.end()) |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 70 | NOTREACHED(); |
| 71 | } |
| 72 | #endif // !NDEBUG |
| 73 | } |
| 74 | |
| 75 | void URLRequestFilter::RemoveHostnameHandler(const std::string& scheme, |
| 76 | const std::string& hostname) { |
Torne (Richard Coles) | 46d4c2b | 2014-06-09 12:00:27 +0100 | [diff] [blame] | 77 | HostnameInterceptorMap::iterator it = |
| 78 | hostname_interceptor_map_.find(make_pair(scheme, hostname)); |
| 79 | DCHECK(it != hostname_interceptor_map_.end()); |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 80 | |
Torne (Richard Coles) | 46d4c2b | 2014-06-09 12:00:27 +0100 | [diff] [blame] | 81 | delete it->second; |
| 82 | hostname_interceptor_map_.erase(it); |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 83 | // Note that we don't unregister from the URLRequest ProtocolFactory as |
Torne (Richard Coles) | f2477e0 | 2013-11-28 11:55:43 +0000 | [diff] [blame] | 84 | // this would leave no protocol factory for the remaining hostname and URL |
| 85 | // handlers. |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 86 | } |
| 87 | |
| 88 | bool URLRequestFilter::AddUrlHandler( |
| 89 | const GURL& url, |
| 90 | URLRequest::ProtocolFactory* factory) { |
Torne (Richard Coles) | 46d4c2b | 2014-06-09 12:00:27 +0100 | [diff] [blame] | 91 | return AddUrlInterceptor( |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 92 | url, |
Torne (Richard Coles) | 46d4c2b | 2014-06-09 12:00:27 +0100 | [diff] [blame] | 93 | scoped_ptr<URLRequestInterceptor>( |
| 94 | new URLRequestFilterInterceptor(factory))); |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 95 | } |
| 96 | |
Torne (Richard Coles) | 46d4c2b | 2014-06-09 12:00:27 +0100 | [diff] [blame] | 97 | bool URLRequestFilter::AddUrlInterceptor( |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 98 | const GURL& url, |
Torne (Richard Coles) | 46d4c2b | 2014-06-09 12:00:27 +0100 | [diff] [blame] | 99 | scoped_ptr<URLRequestInterceptor> interceptor) { |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 100 | if (!url.is_valid()) |
| 101 | return false; |
Torne (Richard Coles) | 46d4c2b | 2014-06-09 12:00:27 +0100 | [diff] [blame] | 102 | DCHECK_EQ(0u, url_interceptor_map_.count(url.spec())); |
| 103 | url_interceptor_map_[url.spec()] = interceptor.release(); |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 104 | |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 105 | // Check to see if this URL is masked by a hostname handler. |
Torne (Richard Coles) | 46d4c2b | 2014-06-09 12:00:27 +0100 | [diff] [blame] | 106 | DCHECK_EQ(0u, hostname_interceptor_map_.count(make_pair(url.scheme(), |
| 107 | url.host()))); |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 108 | |
| 109 | return true; |
| 110 | } |
| 111 | |
| 112 | void URLRequestFilter::RemoveUrlHandler(const GURL& url) { |
Torne (Richard Coles) | 46d4c2b | 2014-06-09 12:00:27 +0100 | [diff] [blame] | 113 | URLInterceptorMap::iterator it = url_interceptor_map_.find(url.spec()); |
| 114 | DCHECK(it != url_interceptor_map_.end()); |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 115 | |
Torne (Richard Coles) | 46d4c2b | 2014-06-09 12:00:27 +0100 | [diff] [blame] | 116 | delete it->second; |
| 117 | url_interceptor_map_.erase(it); |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 118 | // Note that we don't unregister from the URLRequest ProtocolFactory as |
Torne (Richard Coles) | f2477e0 | 2013-11-28 11:55:43 +0000 | [diff] [blame] | 119 | // this would leave no protocol factory for the remaining hostname and URL |
| 120 | // handlers. |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 121 | } |
| 122 | |
| 123 | void URLRequestFilter::ClearHandlers() { |
Torne (Richard Coles) | 46d4c2b | 2014-06-09 12:00:27 +0100 | [diff] [blame] | 124 | STLDeleteValues(&url_interceptor_map_); |
| 125 | STLDeleteValues(&hostname_interceptor_map_); |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 126 | hit_count_ = 0; |
| 127 | } |
| 128 | |
Torne (Richard Coles) | 46d4c2b | 2014-06-09 12:00:27 +0100 | [diff] [blame] | 129 | URLRequestJob* URLRequestFilter::MaybeInterceptRequest( |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 130 | URLRequest* request, |
Torne (Richard Coles) | f8ee788 | 2014-06-20 14:52:04 +0100 | [diff] [blame] | 131 | NetworkDelegate* network_delegate) const { |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 132 | URLRequestJob* job = NULL; |
Torne (Richard Coles) | f8ee788 | 2014-06-20 14:52:04 +0100 | [diff] [blame] | 133 | if (!request->url().is_valid()) |
| 134 | return NULL; |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 135 | |
Torne (Richard Coles) | f8ee788 | 2014-06-20 14:52:04 +0100 | [diff] [blame] | 136 | // Check the hostname map first. |
| 137 | const std::string hostname = request->url().host(); |
| 138 | const std::string scheme = request->url().scheme(); |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 139 | |
Torne (Richard Coles) | f8ee788 | 2014-06-20 14:52:04 +0100 | [diff] [blame] | 140 | HostnameInterceptorMap::const_iterator it = |
| 141 | hostname_interceptor_map_.find(make_pair(scheme, hostname)); |
| 142 | if (it != hostname_interceptor_map_.end()) |
| 143 | job = it->second->MaybeInterceptRequest(request, network_delegate); |
| 144 | |
| 145 | if (!job) { |
| 146 | // Not in the hostname map, check the url map. |
| 147 | const std::string& url = request->url().spec(); |
| 148 | URLInterceptorMap::const_iterator it = url_interceptor_map_.find(url); |
| 149 | if (it != url_interceptor_map_.end()) |
| 150 | job = it->second->MaybeInterceptRequest(request, network_delegate); |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 151 | } |
| 152 | if (job) { |
| 153 | DVLOG(1) << "URLRequestFilter hit for " << request->url().spec(); |
| 154 | hit_count_++; |
| 155 | } |
| 156 | return job; |
| 157 | } |
| 158 | |
Torne (Richard Coles) | f8ee788 | 2014-06-20 14:52:04 +0100 | [diff] [blame] | 159 | URLRequestFilter::URLRequestFilter() : hit_count_(0) { |
| 160 | URLRequestJobFactoryImpl::SetInterceptorForTesting(this); |
| 161 | } |
| 162 | |
| 163 | URLRequestFilter::~URLRequestFilter() { |
| 164 | URLRequestJobFactoryImpl::SetInterceptorForTesting(NULL); |
| 165 | } |
| 166 | |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 167 | } // namespace net |