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| 1 // Copyright 2008-2009 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 | |
| 17 #include "omaha/tools/omahacompatibility/httpserver/http_server.h" | |
| 18 | |
| 19 #include <Windows.h> | |
| 20 #include <http.h> | |
| 21 #include <winhttp.h> | |
| 22 #include "omaha/common/error.h" | |
| 23 #include "omaha/common/debug.h" | |
| 24 #include "omaha/common/logging.h" | |
| 25 #include "omaha/common/string.h" | |
| 26 #include "omaha/common/utils.h" | |
| 27 #include "omaha/common/reg_key.h" | |
| 28 | |
| 29 namespace omaha { | |
| 30 | |
| 31 #define MAX_BUFFER_SIZE 4048 | |
| 32 #define INTERNET_MAX_PATH_LENGTH 2048 | |
| 33 | |
| 34 HttpServer::HttpServer(const CString& host, int port) | |
| 35 : host_(host), | |
| 36 port_(port) { | |
| 37 CORE_LOG(L1, (_T("[HttpServer]"))); | |
| 38 url_prefix_.Format(_T("http://%s:%d"), host, port); | |
| 39 } | |
| 40 | |
| 41 HttpServer::~HttpServer() { | |
| 42 CORE_LOG(L1, (_T("[~HttpServer]"))); | |
| 43 ::HttpTerminate(HTTP_INITIALIZE_SERVER, NULL); | |
| 44 | |
| 45 std::map<CString, UrlHandler*>::iterator iter = handlers_.begin(); | |
| 46 for (; iter != handlers_.end(); ++iter) { | |
| 47 std::pair<CString, UrlHandler*> pair = *iter; | |
| 48 VERIFY1(::HttpRemoveUrl(get(request_handle_), | |
| 49 pair.first) != NO_ERROR); | |
| 50 delete pair.second; | |
| 51 } | |
| 52 | |
| 53 handlers_.clear(); | |
| 54 } | |
| 55 | |
| 56 HRESULT HttpServer::Initialize() { | |
| 57 CORE_LOG(L1, (_T("[Initialize]"))); | |
| 58 HTTPAPI_VERSION version = HTTPAPI_VERSION_1; | |
| 59 int ret = ::HttpInitialize(version, | |
| 60 HTTP_INITIALIZE_SERVER, | |
| 61 NULL); | |
| 62 if (ret != NO_ERROR) { | |
| 63 return HRESULT_FROM_WIN32(ret); | |
| 64 } | |
| 65 | |
| 66 ret = ::HttpCreateHttpHandle(address(request_handle_), NULL); | |
| 67 if (ret != NO_ERROR) { | |
| 68 return HRESULT_FROM_WIN32(ret); | |
| 69 } | |
| 70 ASSERT1(get(request_handle_)); | |
| 71 | |
| 72 return S_OK; | |
| 73 } | |
| 74 | |
| 75 HRESULT HttpServer::AddUrlHandler(UrlHandler* handler) { | |
| 76 CORE_LOG(L1, (_T("[AddUrlHandler]"))); | |
| 77 ASSERT1(handler); | |
| 78 | |
| 79 CString full_url = url_prefix_ + handler->get_url_path(); | |
| 80 int ret = ::HttpAddUrl(get(request_handle_), | |
| 81 full_url, NULL); | |
| 82 if (ret != NO_ERROR) { | |
| 83 return HRESULT_FROM_WIN32(ret); | |
| 84 } | |
| 85 | |
| 86 ASSERT1(handlers_.find(handler->get_url_path()) == handlers_.end()); | |
| 87 handlers_[handler->get_url_path()] = handler; | |
| 88 return S_OK; | |
| 89 } | |
| 90 | |
| 91 UrlHandler* HttpServer::GetHandler(const HttpRequest& req) { | |
| 92 std::map<CString, UrlHandler*>::const_iterator iter = handlers_.begin(); | |
| 93 for (; iter != handlers_.end(); ++iter) { | |
| 94 UrlHandler* handler = (*iter).second; | |
| 95 | |
| 96 // Determine if the handler starts with the path that is specified | |
| 97 // in the request. | |
| 98 if (req.path().Find(handler->get_url_path()) == 0) { | |
| 99 return handler; | |
| 100 } | |
| 101 } | |
| 102 | |
| 103 ASSERT1(false); | |
| 104 return NULL; | |
| 105 } | |
| 106 | |
| 107 HRESULT HttpServer::ReadRequest(HttpRequest* request) { | |
| 108 ASSERT1(request); | |
| 109 | |
| 110 TCHAR buffer[MAX_BUFFER_SIZE] = {0}; | |
| 111 HTTP_REQUEST* req = reinterpret_cast<HTTP_REQUEST*>(buffer); | |
| 112 int ret = ::HttpReceiveHttpRequest(get(request_handle_), | |
| 113 HTTP_NULL_ID, | |
| 114 HTTP_RECEIVE_REQUEST_FLAG_COPY_BODY, | |
| 115 req, | |
| 116 MAX_BUFFER_SIZE, | |
| 117 NULL, | |
| 118 NULL); | |
| 119 | |
| 120 if (ret != NO_ERROR) { | |
| 121 HRESULT hr = HRESULT_FROM_WIN32(ret); | |
| 122 CORE_LOG(L1, (_T("[Failed to read request.][0x%08x]"), hr)); | |
| 123 return hr; | |
| 124 } | |
| 125 | |
| 126 // Figure out the query string and the path. | |
| 127 CString url_path(req->pRawUrl); | |
| 128 int idx = url_path.ReverseFind(_T('?')); | |
| 129 CString query_str; | |
| 130 CString path; | |
| 131 if (idx != -1) { | |
| 132 query_str = url_path.Right(url_path.GetLength() - idx - 1); | |
| 133 path = url_path.Left(idx); | |
| 134 } else { | |
| 135 path = url_path; | |
| 136 } | |
| 137 | |
| 138 // Set the values on the request. | |
| 139 request->set_http_verb(req->Verb); | |
| 140 request->set_path(path); | |
| 141 request->set_http_request(*req); | |
| 142 request->set_query_str(query_str); | |
| 143 | |
| 144 if (req->Verb == HttpVerbPOST) { | |
| 145 DWORD bytes_received = 0; | |
| 146 char output_buffer[MAX_BUFFER_SIZE] = {0}; | |
| 147 ret = ::HttpReceiveRequestEntityBody(get(request_handle_), | |
| 148 req->RequestId, | |
| 149 0, | |
| 150 output_buffer, | |
| 151 MAX_BUFFER_SIZE, | |
| 152 &bytes_received, | |
| 153 NULL); | |
| 154 | |
| 155 if (ret != NO_ERROR) { | |
| 156 HRESULT hr = HRESULT_FROM_WIN32(ret); | |
| 157 CORE_LOG(L1, (_T("[Failed to read request.][0x%08x]"), hr)); | |
| 158 return hr; | |
| 159 } | |
| 160 CString content = Utf8ToWideChar(output_buffer, bytes_received); | |
| 161 request->set_content(content); | |
| 162 } | |
| 163 | |
| 164 return S_OK; | |
| 165 } | |
| 166 | |
| 167 HRESULT HttpServer::SetHeader(HTTP_RESPONSE* http_response, | |
| 168 HTTP_HEADER_ID header_id, | |
| 169 const char* value) { | |
| 170 ASSERT1(http_response); | |
| 171 | |
| 172 http_response->Headers.KnownHeaders[header_id].pRawValue = value; | |
| 173 http_response->Headers.KnownHeaders[header_id].RawValueLength = | |
| 174 static_cast<USHORT>(strlen(value)); | |
| 175 return S_OK; | |
| 176 } | |
| 177 | |
| 178 HRESULT HttpServer::SendResponse(const HttpResponse& response) { | |
| 179 const HttpRequest& request = response.request(); | |
| 180 const char* const kOk = "OK"; | |
| 181 | |
| 182 HTTP_RESPONSE http_response = {0}; | |
| 183 http_response.StatusCode = 200; | |
| 184 | |
| 185 // Send back an ok. | |
| 186 http_response.pReason = kOk; | |
| 187 http_response.ReasonLength = static_cast<USHORT>(strlen(kOk)); | |
| 188 | |
| 189 // No special headers for now. | |
| 190 HTTP_RESPONSE_HEADERS headers = {0}; | |
| 191 headers.UnknownHeaderCount = 0; | |
| 192 headers.TrailerCount = 0; | |
| 193 http_response.Headers = headers; | |
| 194 | |
| 195 scoped_hfile handle; | |
| 196 CStringA request_body_utf8; | |
| 197 CStringA content_range_header; | |
| 198 int http_response_flag = 0; | |
| 199 | |
| 200 HTTP_DATA_CHUNK chunk; | |
| 201 memset(&chunk, 0, sizeof(HTTP_DATA_CHUNK)); | |
| 202 | |
| 203 // Based on the verb build a response. | |
| 204 if (request.http_verb() == HttpVerbPOST) { | |
| 205 // Add a known header of content type. | |
| 206 SetHeader(&http_response, HttpHeaderContentType, "text/xml; charset=UTF-8"); | |
| 207 | |
| 208 // Send back the content. | |
| 209 chunk.DataChunkType = HttpDataChunkFromMemory; | |
| 210 CString response_str = response.response_str(); | |
| 211 request_body_utf8 = CT2A(response_str, CP_UTF8); | |
| 212 | |
| 213 chunk.FromMemory.pBuffer = request_body_utf8.GetBuffer(); | |
| 214 chunk.FromMemory.BufferLength = request_body_utf8.GetLength(); | |
| 215 | |
| 216 http_response.EntityChunkCount = 1; | |
| 217 http_response.pEntityChunks = &chunk; | |
| 218 | |
| 219 } else if (request.http_verb() == HttpVerbHEAD) { | |
| 220 // Add the content length, type, and content range headers. | |
| 221 SetHeader(&http_response, HttpHeaderContentType, | |
| 222 "application/octet-stream"); | |
| 223 char size_str[MAX_PATH] = {0}; | |
| 224 _itoa(response.size(), size_str, 10); | |
| 225 SetHeader(&http_response, HttpHeaderContentLength, size_str); | |
| 226 SetHeader(&http_response, HttpHeaderAcceptRanges, "bytes"); | |
| 227 | |
| 228 } else if (request.http_verb() == HttpVerbGET) { | |
| 229 SetHeader(&http_response, HttpHeaderContentType, | |
| 230 "application/octet-stream"); | |
| 231 char size_str[MAX_PATH] = {0}; | |
| 232 _itoa(response.size(), size_str, 10); | |
| 233 SetHeader(&http_response, HttpHeaderAcceptRanges, "bytes"); | |
| 234 | |
| 235 reset(handle, ::CreateFile(response.file_name(), GENERIC_READ, | |
| 236 FILE_SHARE_READ, NULL, OPEN_EXISTING, | |
| 237 FILE_ATTRIBUTE_NORMAL, NULL)); | |
| 238 if (!handle) { | |
| 239 return HRESULTFromLastError(); | |
| 240 } | |
| 241 | |
| 242 chunk.DataChunkType = HttpDataChunkFromFileHandle; | |
| 243 | |
| 244 // Determine the file portion to send back to the client. | |
| 245 // If the client has sent a range request, honor that. | |
| 246 int start_file_pos = 0; | |
| 247 int end_file_pos = 0; | |
| 248 HTTP_REQUEST tmp_request = request.http_request(); | |
| 249 if (tmp_request.Headers.KnownHeaders[HttpHeaderRange].RawValueLength != 0) { | |
| 250 // The client send a content length header. We need to honor this. | |
| 251 CStringA content_range( | |
| 252 tmp_request.Headers.KnownHeaders[HttpHeaderRange].pRawValue); | |
| 253 | |
| 254 int idx = content_range.Find('-'); | |
| 255 ASSERT1(idx != -1); | |
| 256 end_file_pos = atoi(content_range.Right( | |
| 257 content_range.GetLength() - idx - 1)); | |
| 258 int st_idx = content_range.Find('='); | |
| 259 ASSERT1(st_idx != -1); | |
| 260 start_file_pos = atoi(content_range.Mid(st_idx + 1, idx)); | |
| 261 | |
| 262 // Set the Content-range header in the response. | |
| 263 content_range_header.Format("bytes %d-%d/%d", | |
| 264 start_file_pos, | |
| 265 end_file_pos, response.size()); | |
| 266 SetHeader(&http_response, HttpHeaderContentRange, content_range_header); | |
| 267 | |
| 268 // Since this is a range request, we set the http response code to | |
| 269 // partial response. | |
| 270 http_response.StatusCode = 206; | |
| 271 | |
| 272 // Set the value of the human readable text to partial-content. | |
| 273 const char* const kPartialContent = "Partial Content"; | |
| 274 http_response.pReason = kPartialContent; | |
| 275 http_response.ReasonLength = static_cast<USHORT>(strlen(kPartialContent)); | |
| 276 } | |
| 277 | |
| 278 // Send back the entire file or part of it. | |
| 279 HTTP_BYTE_RANGE byte_range = {0}; | |
| 280 byte_range.StartingOffset.HighPart = 0; | |
| 281 byte_range.StartingOffset.LowPart = start_file_pos; | |
| 282 if (end_file_pos == 0) { | |
| 283 byte_range.Length.QuadPart = HTTP_BYTE_RANGE_TO_EOF; | |
| 284 } else { | |
| 285 byte_range.Length.QuadPart = end_file_pos - start_file_pos + 1; | |
| 286 } | |
| 287 | |
| 288 chunk.FromFileHandle.ByteRange = byte_range; | |
| 289 chunk.FromFileHandle.FileHandle = get(handle); | |
| 290 | |
| 291 http_response.EntityChunkCount = 1; | |
| 292 http_response.pEntityChunks = &chunk; | |
| 293 } | |
| 294 | |
| 295 DWORD bytes_sent = 0; | |
| 296 int ret = ::HttpSendHttpResponse( | |
| 297 get(request_handle_), | |
| 298 request.http_request().RequestId, | |
| 299 http_response_flag, | |
| 300 &http_response, | |
| 301 NULL, | |
| 302 &bytes_sent, | |
| 303 NULL, | |
| 304 0, | |
| 305 NULL, | |
| 306 NULL); | |
| 307 if (ret != NO_ERROR) { | |
| 308 return HRESULT_FROM_WIN32(ret); | |
| 309 } | |
| 310 | |
| 311 return S_OK; | |
| 312 } | |
| 313 | |
| 314 HRESULT HttpServer::Start() { | |
| 315 CORE_LOG(L1, (_T("[Start]"))); | |
| 316 | |
| 317 while (true) { | |
| 318 HttpRequest request; | |
| 319 HRESULT hr = ReadRequest(&request); | |
| 320 if (FAILED(hr)) { | |
| 321 CORE_LOG(L1, (_T("[ReadRequest failed.][0x%08x]"), hr)); | |
| 322 continue; | |
| 323 } | |
| 324 | |
| 325 HttpResponse response(request); | |
| 326 UrlHandler* handler = GetHandler(request); | |
| 327 if (handler == NULL) { | |
| 328 continue; | |
| 329 } | |
| 330 | |
| 331 hr = handler->HandleRequest(request, &response); | |
| 332 if (FAILED(hr)) { | |
| 333 CORE_LOG(L1, (_T("[HandlerRequest failed.][0x%08x]"), hr)); | |
| 334 continue; | |
| 335 } | |
| 336 | |
| 337 hr = SendResponse(response); | |
| 338 if (FAILED(hr)) { | |
| 339 CORE_LOG(L1, (_T("[SendRequest failed.][0x%08x]"), hr)); | |
| 340 continue; | |
| 341 } | |
| 342 } | |
| 343 | |
| 344 return S_OK; | |
| 345 } | |
| 346 | |
| 347 } // namespace omaha | |
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Chromium Code Reviews
Issue 624713003:
Keep only base/extractor.[cc|h]. (Closed)
Base URL: https://chromium.googlesource.com/external/omaha.git@master