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| 1 // Copyright 2008-2010 Google Inc. | |
| 2 // | |
| 3 // Licensed under the Apache License, Version 2.0 (the "License"); | |
| 4 // you may not use this file except in compliance with the License. | |
| 5 // You may obtain a copy of the License at | |
| 6 // | |
| 7 // http://www.apache.org/licenses/LICENSE-2.0 | |
| 8 // | |
| 9 // Unless required by applicable law or agreed to in writing, software | |
| 10 // distributed under the License is distributed on an "AS IS" BASIS, | |
| 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| 12 // See the License for the specific language governing permissions and | |
| 13 // limitations under the License. | |
| 14 // ======================================================================== | |
| 15 // | |
| 16 // UrlmonRequest sends http transactions through urlmon.dll | |
| 17 | |
| 18 #ifndef OMAHA_NET_URLMON_REQUEST_H__ | |
| 19 #define OMAHA_NET_URLMON_REQUEST_H__ | |
| 20 | |
| 21 #include <windows.h> | |
| 22 #include <atlstr.h> | |
| 23 #include <atlsafe.h> | |
| 24 #include <map> | |
| 25 #include <vector> | |
| 26 #include "base/basictypes.h" | |
| 27 #include "omaha/base/debug.h" | |
| 28 #include "omaha/net/bind_status_callback.h" | |
| 29 #include "omaha/net/http_request.h" | |
| 30 | |
| 31 namespace omaha { | |
| 32 | |
| 33 class UrlmonRequest : public HttpRequestInterface { | |
| 34 public: | |
| 35 UrlmonRequest(); | |
| 36 virtual ~UrlmonRequest(); | |
| 37 | |
| 38 // HttpRequestInterface methods. | |
| 39 virtual HRESULT Close(); | |
| 40 | |
| 41 virtual HRESULT Send(); | |
| 42 | |
| 43 virtual HRESULT Cancel(); | |
| 44 | |
| 45 virtual HRESULT Pause(); | |
| 46 | |
| 47 virtual HRESULT Resume(); | |
| 48 | |
| 49 virtual std::vector<uint8> GetResponse() const { | |
| 50 return response_body_; | |
| 51 } | |
| 52 | |
| 53 virtual int GetHttpStatusCode() const { | |
| 54 return http_status_code_; | |
| 55 } | |
| 56 | |
| 57 virtual HRESULT QueryHeadersString(uint32 info_level, | |
| 58 const TCHAR* name, | |
| 59 CString* value) const { | |
| 60 // TODO(Omaha) - support for a custom name string. | |
| 61 name; | |
| 62 | |
| 63 ASSERT1(value); | |
| 64 value->Empty(); | |
| 65 std::map<DWORD, CString>::const_iterator cur = | |
| 66 response_headers_map_.find(info_level); | |
| 67 if (cur != response_headers_map_.end()) { | |
| 68 *value = cur->second; | |
| 69 } | |
| 70 return !value->IsEmpty() ? S_OK : E_FAIL; | |
| 71 } | |
| 72 | |
| 73 virtual CString GetResponseHeaders() const { | |
| 74 return raw_response_headers_; | |
| 75 } | |
| 76 | |
| 77 virtual CString ToString() const { return _T("urlmon"); } | |
| 78 | |
| 79 // No effect for this class. | |
| 80 virtual void set_session_handle(HINTERNET) {} | |
| 81 | |
| 82 virtual void set_url(const CString& url) { url_ = url; } | |
| 83 | |
| 84 virtual void set_request_buffer(const void* buffer, size_t buffer_length) { | |
| 85 request_buffer_ = buffer; | |
| 86 request_buffer_length_ = buffer_length; | |
| 87 } | |
| 88 | |
| 89 virtual void set_proxy_configuration(const ProxyConfig& proxy_config) { | |
| 90 proxy_config_ = proxy_config; | |
| 91 } | |
| 92 | |
| 93 virtual void set_network_configuration(const ProxyConfig& network_config) { | |
| 94 UNREFERENCED_PARAMETER(network_config); | |
| 95 } | |
| 96 | |
| 97 // Sets the filename to receive the response instead of the memory buffer. | |
| 98 virtual void set_filename(const CString& filename) { filename_ = filename; } | |
| 99 | |
| 100 virtual void set_low_priority(bool low_priority) { | |
| 101 UNREFERENCED_PARAMETER(low_priority); | |
| 102 } | |
| 103 | |
| 104 virtual void set_callback(NetworkRequestCallback* callback) { | |
| 105 // TODO(Omaha) - Provide events. | |
| 106 UNREFERENCED_PARAMETER(callback); | |
| 107 } | |
| 108 | |
| 109 virtual void set_additional_headers(const CString& additional_headers) { | |
| 110 additional_headers_ = additional_headers; | |
| 111 } | |
| 112 | |
| 113 // This request always uses the specified protocol so it is fine to ignore | |
| 114 // this attribute. | |
| 115 virtual void set_preserve_protocol(bool preserve_protocol) { | |
| 116 UNREFERENCED_PARAMETER(preserve_protocol); | |
| 117 } | |
| 118 | |
| 119 virtual CString user_agent() const { return user_agent_; } | |
| 120 | |
| 121 virtual void set_user_agent(const CString& user_agent) { | |
| 122 user_agent_ = user_agent; | |
| 123 } | |
| 124 | |
| 125 virtual void set_proxy_auth_config(const ProxyAuthConfig& proxy_auth_config) { | |
| 126 proxy_auth_config_ = proxy_auth_config; | |
| 127 } | |
| 128 | |
| 129 virtual HRESULT SendRequest(BSTR url, | |
| 130 BSTR post_data, | |
| 131 BSTR request_headers, | |
| 132 VARIANT response_headers_needed, | |
| 133 CComVariant* response_headers, | |
| 134 DWORD* response_code, | |
| 135 BSTR* cache_filename); | |
| 136 | |
| 137 protected: | |
| 138 CString user_agent_; | |
| 139 ProxyAuthConfig proxy_auth_config_; | |
| 140 ProxyConfig proxy_config_; | |
| 141 | |
| 142 private: | |
| 143 HRESULT ProcessResponseHeaders(const CComVariant& headers, | |
| 144 const CComSafeArray<DWORD>& headers_needed); | |
| 145 HRESULT ProcessResponseFile(const CComBSTR& cache_filename); | |
| 146 bool CreateBrowserHttpRequest(); | |
| 147 | |
| 148 CComObjectStackEx<BindStatusCallback> bsc_; | |
| 149 CComBSTR url_; | |
| 150 CString filename_; | |
| 151 const void* request_buffer_; // Contains the request body for POST. | |
| 152 size_t request_buffer_length_; // Length of the request body. | |
| 153 CString additional_headers_; | |
| 154 | |
| 155 volatile LONG is_cancelled_; | |
| 156 DWORD http_status_code_; | |
| 157 std::vector<uint8> response_body_; | |
| 158 std::map<DWORD, CString> response_headers_map_; | |
| 159 CString raw_response_headers_; | |
| 160 | |
| 161 DISALLOW_EVIL_CONSTRUCTORS(UrlmonRequest); | |
| 162 }; | |
| 163 | |
| 164 } // namespace omaha | |
| 165 | |
| 166 #endif // OMAHA_NET_URLMON_REQUEST_H__ | |
| 167 | |
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