dlls/urlmon/http.c

   1 /*
   2  * Copyright 2005 Jacek Caban
   3  * Copyright 2007 Misha Koshelev
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2.1 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public
  16  * License along with this library; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  18  */
  19
  20 /*
  21  * TODO:
  22  * - Handle redirects as native.
  23  */
  24
  25 #include <stdarg.h>
  26
  27 #define COBJMACROS
  28 #define NONAMELESSUNION
  29
  30 #include "windef.h"
  31 #include "winbase.h"
  32 #include "winuser.h"
  33 #include "ole2.h"
  34 #include "urlmon.h"
  35 #include "wininet.h"
  36 #include "urlmon_main.h"
  37
  38 #include "wine/debug.h"
  39 #include "wine/unicode.h"
  40
  41 WINE_DEFAULT_DEBUG_CHANNEL(urlmon);
  42
  43 /* Flags are needed for, among other things, return HRESULTs from the Read function
  44  * to conform to native. For example, Read returns:
  45  *
  46  * 1. E_PENDING if called before the request has completed,
  47  *        (flags = 0)
  48  * 2. S_FALSE after all data has been read and S_OK has been reported,
  49  *        (flags = FLAG_REQUEST_COMPLETE | FLAG_ALL_DATA_READ | FLAG_RESULT_REPORTED)
  50  * 3. INET_E_DATA_NOT_AVAILABLE if InternetQueryDataAvailable fails. The first time
  51  *    this occurs, INET_E_DATA_NOT_AVAILABLE will also be reported to the sink,
  52  *        (flags = FLAG_REQUEST_COMPLETE)
  53  *    but upon subsequent calls to Read no reporting will take place, yet
  54  *    InternetQueryDataAvailable will still be called, and, on failure,
  55  *    INET_E_DATA_NOT_AVAILABLE will still be returned.
  56  *        (flags = FLAG_REQUEST_COMPLETE | FLAG_RESULT_REPORTED)
  57  *
  58  * FLAG_FIRST_DATA_REPORTED and FLAG_LAST_DATA_REPORTED are needed for proper
  59  * ReportData reporting. For example, if OnResponse returns S_OK, Continue will
  60  * report BSCF_FIRSTDATANOTIFICATION, and when all data has been read Read will
  61  * report BSCF_INTERMEDIATEDATANOTIFICATION|BSCF_LASTDATANOTIFICATION. However,
  62  * if OnResponse does not return S_OK, Continue will not report data, and Read
  63  * will report BSCF_FIRSTDATANOTIFICATION|BSCF_LASTDATANOTIFICATION when all
  64  * data has been read.
  65  */
  66 #define FLAG_REQUEST_COMPLETE 0x1
  67 #define FLAG_FIRST_CONTINUE_COMPLETE 0x2
  68 #define FLAG_FIRST_DATA_REPORTED 0x4
  69 #define FLAG_ALL_DATA_READ 0x8
  70 #define FLAG_LAST_DATA_REPORTED 0x10
  71 #define FLAG_RESULT_REPORTED 0x20
  72
  73 typedef struct {
  74     const IInternetProtocolVtbl *lpInternetProtocolVtbl;
  75     const IInternetPriorityVtbl *lpInternetPriorityVtbl;
  76
  77     DWORD flags, grfBINDF;
  78     BINDINFO bind_info;
  79     IInternetProtocolSink *protocol_sink;
  80     IHttpNegotiate *http_negotiate;
  81     HINTERNET internet, connect, request;
  82     LPWSTR full_header;
  83     HANDLE lock;
  84     ULONG current_position, content_length, available_bytes;
  85     LONG priority;
  86
  87     LONG ref;
  88 } HttpProtocol;
  89
  90 /* Default headers from native */
  91 static const WCHAR wszHeaders[] = {'A','c','c','e','p','t','-','E','n','c','o','d','i','n','g',
  92                                    ':',' ','g','z','i','p',',',' ','d','e','f','l','a','t','e',0};
  93
  94 /*
  95  * Helpers
  96  */
  97
  98 static void HTTPPROTOCOL_ReportResult(HttpProtocol *This, HRESULT hres)
  99 {
 100     if (!(This->flags & FLAG_RESULT_REPORTED) &&
 101         This->protocol_sink)
 102     {
 103         This->flags |= FLAG_RESULT_REPORTED;
 104         IInternetProtocolSink_ReportResult(This->protocol_sink, hres, 0, NULL);
 105     }
 106 }
 107
 108 static void HTTPPROTOCOL_ReportData(HttpProtocol *This)
 109 {
 110     DWORD bscf;
 111     if (!(This->flags & FLAG_LAST_DATA_REPORTED) &&
 112         This->protocol_sink)
 113     {
 114         if (This->flags & FLAG_FIRST_DATA_REPORTED)
 115         {
 116             bscf = BSCF_INTERMEDIATEDATANOTIFICATION;
 117         }
 118         else
 119         {
 120             This->flags |= FLAG_FIRST_DATA_REPORTED;
 121             bscf = BSCF_FIRSTDATANOTIFICATION;
 122         }
 123         if (This->flags & FLAG_ALL_DATA_READ &&
 124             !(This->flags & FLAG_LAST_DATA_REPORTED))
 125         {
 126             This->flags |= FLAG_LAST_DATA_REPORTED;
 127             bscf |= BSCF_LASTDATANOTIFICATION;
 128         }
 129         IInternetProtocolSink_ReportData(This->protocol_sink, bscf,
 130                                          This->current_position+This->available_bytes,
 131                                          This->content_length);
 132     }
 133 }
 134
 135 static void HTTPPROTOCOL_AllDataRead(HttpProtocol *This)
 136 {
 137     if (!(This->flags & FLAG_ALL_DATA_READ))
 138         This->flags |= FLAG_ALL_DATA_READ;
 139     HTTPPROTOCOL_ReportData(This);
 140     HTTPPROTOCOL_ReportResult(This, S_OK);
 141 }
 142
 143 static void HTTPPROTOCOL_Close(HttpProtocol *This)
 144 {
 145     if (This->protocol_sink)
 146     {
 147         IInternetProtocolSink_Release(This->protocol_sink);
 148         This->protocol_sink = 0;
 149     }
 150     if (This->http_negotiate)
 151     {
 152         IHttpNegotiate_Release(This->http_negotiate);
 153         This->http_negotiate = 0;
 154     }
 155     if (This->request)
 156     {
 157         InternetCloseHandle(This->request);
 158         This->request = 0;
 159     }
 160     if (This->connect)
 161     {
 162         InternetCloseHandle(This->connect);
 163         This->connect = 0;
 164     }
 165     if (This->internet)
 166     {
 167         InternetCloseHandle(This->internet);
 168         This->internet = 0;
 169     }
 170     if (This->full_header)
 171     {
 172         if (This->full_header != wszHeaders)
 173             HeapFree(GetProcessHeap(), 0, This->full_header);
 174         This->full_header = 0;
 175     }
 176     if (This->bind_info.cbSize)
 177     {
 178         ReleaseBindInfo(&This->bind_info);
 179         memset(&This->bind_info, 0, sizeof(This->bind_info));
 180     }
 181     This->flags = 0;
 182 }
 183
 184 static void CALLBACK HTTPPROTOCOL_InternetStatusCallback(
 185     HINTERNET hInternet, DWORD_PTR dwContext, DWORD dwInternetStatus,
 186     LPVOID lpvStatusInformation, DWORD dwStatusInformationLength)
 187 {
 188     HttpProtocol *This = (HttpProtocol *)dwContext;
 189     PROTOCOLDATA data;
 190     ULONG ulStatusCode;
 191
 192     switch (dwInternetStatus)
 193     {
 194     case INTERNET_STATUS_RESOLVING_NAME:
 195         ulStatusCode = BINDSTATUS_FINDINGRESOURCE;
 196         break;
 197     case INTERNET_STATUS_CONNECTING_TO_SERVER:
 198         ulStatusCode = BINDSTATUS_CONNECTING;
 199         break;
 200     case INTERNET_STATUS_SENDING_REQUEST:
 201         ulStatusCode = BINDSTATUS_SENDINGREQUEST;
 202         break;
 203     case INTERNET_STATUS_REQUEST_COMPLETE:
 204         This->flags |= FLAG_REQUEST_COMPLETE;
 205         /* PROTOCOLDATA same as native */
 206         memset(&data, 0, sizeof(data));
 207         data.dwState = 0xf1000000;
 208         if (This->flags & FLAG_FIRST_CONTINUE_COMPLETE)
 209             data.pData = (LPVOID)BINDSTATUS_ENDDOWNLOADCOMPONENTS;
 210         else
 211             data.pData = (LPVOID)BINDSTATUS_DOWNLOADINGDATA;
 212         if (This->grfBINDF & BINDF_FROMURLMON)
 213             IInternetProtocolSink_Switch(This->protocol_sink, &data);
 214         else
 215             IInternetProtocol_Continue((IInternetProtocol *)This, &data);
 216         return;
 217     default:
 218         WARN("Unhandled Internet status callback %d\n", dwInternetStatus);
 219         return;
 220     }
 221
 222     IInternetProtocolSink_ReportProgress(This->protocol_sink, ulStatusCode, (LPWSTR)lpvStatusInformation);
 223 }
 224
 225 static inline LPWSTR strndupW(LPWSTR string, int len)
 226 {
 227     LPWSTR ret = NULL;
 228     if (string &&
 229         (ret = HeapAlloc(GetProcessHeap(), 0, (len+1)*sizeof(WCHAR))) != NULL)
 230     {
 231         memcpy(ret, string, len*sizeof(WCHAR));
 232         ret[len] = 0;
 233     }
 234     return ret;
 235 }
 236
 237 /*
 238  * Interface implementations
 239  */
 240
 241 #define PROTOCOL(x)  ((IInternetProtocol*)  &(x)->lpInternetProtocolVtbl)
 242 #define PRIORITY(x)  ((IInternetPriority*)  &(x)->lpInternetPriorityVtbl)
 243
 244 #define PROTOCOL_THIS(iface) DEFINE_THIS(HttpProtocol, InternetProtocol, iface)
 245
 246 static HRESULT WINAPI HttpProtocol_QueryInterface(IInternetProtocol *iface, REFIID riid, void **ppv)
 247 {
 248     HttpProtocol *This = PROTOCOL_THIS(iface);
 249
 250     *ppv = NULL;
 251     if(IsEqualGUID(&IID_IUnknown, riid)) {
 252         TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv);
 253         *ppv = PROTOCOL(This);
 254     }else if(IsEqualGUID(&IID_IInternetProtocolRoot, riid)) {
 255         TRACE("(%p)->(IID_IInternetProtocolRoot %p)\n", This, ppv);
 256         *ppv = PROTOCOL(This);
 257     }else if(IsEqualGUID(&IID_IInternetProtocol, riid)) {
 258         TRACE("(%p)->(IID_IInternetProtocol %p)\n", This, ppv);
 259         *ppv = PROTOCOL(This);
 260     }else if(IsEqualGUID(&IID_IInternetPriority, riid)) {
 261         TRACE("(%p)->(IID_IInternetPriority %p)\n", This, ppv);
 262         *ppv = PRIORITY(This);
 263     }
 264
 265     if(*ppv) {
 266         IInternetProtocol_AddRef(iface);
 267         return S_OK;
 268     }
 269
 270     WARN("not supported interface %s\n", debugstr_guid(riid));
 271     return E_NOINTERFACE;
 272 }
 273
 274 static ULONG WINAPI HttpProtocol_AddRef(IInternetProtocol *iface)
 275 {
 276     HttpProtocol *This = PROTOCOL_THIS(iface);
 277     LONG ref = InterlockedIncrement(&This->ref);
 278     TRACE("(%p) ref=%d\n", This, ref);
 279     return ref;
 280 }
 281
 282 static ULONG WINAPI HttpProtocol_Release(IInternetProtocol *iface)
 283 {
 284     HttpProtocol *This = PROTOCOL_THIS(iface);
 285     LONG ref = InterlockedDecrement(&This->ref);
 286
 287     TRACE("(%p) ref=%d\n", This, ref);
 288
 289     if(!ref) {
 290         HTTPPROTOCOL_Close(This);
 291         HeapFree(GetProcessHeap(), 0, This);
 292
 293         URLMON_UnlockModule();
 294     }
 295
 296     return ref;
 297 }
 298
 299 static HRESULT WINAPI HttpProtocol_Start(IInternetProtocol *iface, LPCWSTR szUrl,
 300         IInternetProtocolSink *pOIProtSink, IInternetBindInfo *pOIBindInfo,
 301         DWORD grfPI, DWORD dwReserved)
 302 {
 303     HttpProtocol *This = PROTOCOL_THIS(iface);
 304     URL_COMPONENTSW url;
 305     DWORD len = 0, request_flags = INTERNET_FLAG_KEEP_CONNECTION;
 306     ULONG num = 0;
 307     IServiceProvider *service_provider = 0;
 308     IHttpNegotiate2 *http_negotiate2 = 0;
 309     LPWSTR host = 0, path = 0, user = 0, pass = 0, addl_header = 0,
 310         post_cookie = 0, optional = 0;
 311     BYTE security_id[512];
 312     LPOLESTR user_agent, accept_mimes[257];
 313     HRESULT hres;
 314
 315     static const WCHAR wszHttp[] = {'h','t','t','p',':'};
 316     static const WCHAR wszBindVerb[BINDVERB_CUSTOM][5] =
 317         {{'G','E','T',0},
 318          {'P','O','S','T',0},
 319          {'P','U','T',0}};
 320
 321     TRACE("(%p)->(%s %p %p %08x %d)\n", This, debugstr_w(szUrl), pOIProtSink,
 322             pOIBindInfo, grfPI, dwReserved);
 323
 324     memset(&This->bind_info, 0, sizeof(This->bind_info));
 325     This->bind_info.cbSize = sizeof(BINDINFO);
 326     hres = IInternetBindInfo_GetBindInfo(pOIBindInfo, &This->grfBINDF, &This->bind_info);
 327     if (hres != S_OK)
 328     {
 329         WARN("GetBindInfo failed: %08x\n", hres);
 330         goto done;
 331     }
 332
 333     if (lstrlenW(szUrl) < sizeof(wszHttp)/sizeof(WCHAR)
 334         || memcmp(szUrl, wszHttp, sizeof(wszHttp)))
 335     {
 336         hres = MK_E_SYNTAX;
 337         goto done;
 338     }
 339
 340     memset(&url, 0, sizeof(url));
 341     url.dwStructSize = sizeof(url);
 342     url.dwSchemeLength = url.dwHostNameLength = url.dwUrlPathLength = url.dwUserNameLength =
 343         url.dwPasswordLength = 1;
 344     if (!InternetCrackUrlW(szUrl, 0, 0, &url))
 345     {
 346         hres = MK_E_SYNTAX;
 347         goto done;
 348     }
 349     host = strndupW(url.lpszHostName, url.dwHostNameLength);
 350     path = strndupW(url.lpszUrlPath, url.dwUrlPathLength);
 351     user = strndupW(url.lpszUserName, url.dwUserNameLength);
 352     pass = strndupW(url.lpszPassword, url.dwPasswordLength);
 353     if (!url.nPort)
 354         url.nPort = INTERNET_DEFAULT_HTTP_PORT;
 355
 356     if(!(This->grfBINDF & BINDF_FROMURLMON))
 357         IInternetProtocolSink_ReportProgress(pOIProtSink, BINDSTATUS_DIRECTBIND, NULL);
 358
 359     hres = IInternetBindInfo_GetBindString(pOIBindInfo, BINDSTRING_USER_AGENT, &user_agent,
 360                                            1, &num);
 361     if (hres != S_OK || !num)
 362     {
 363         CHAR null_char = 0;
 364         LPSTR user_agenta = NULL;
 365         len = 0;
 366         if ((hres = ObtainUserAgentString(0, &null_char, &len)) != E_OUTOFMEMORY)
 367         {
 368             WARN("ObtainUserAgentString failed: %08x\n", hres);
 369         }
 370         else if (!(user_agenta = HeapAlloc(GetProcessHeap(), 0, len*sizeof(CHAR))))
 371         {
 372             WARN("Out of memory\n");
 373         }
 374         else if ((hres = ObtainUserAgentString(0, user_agenta, &len)) != S_OK)
 375         {
 376             WARN("ObtainUserAgentString failed: %08x\n", hres);
 377         }
 378         else
 379         {
 380             if (!(user_agent = CoTaskMemAlloc((len)*sizeof(WCHAR))))
 381                 WARN("Out of memory\n");
 382             else
 383                 MultiByteToWideChar(CP_ACP, 0, user_agenta, -1, user_agent, len*sizeof(WCHAR));
 384         }
 385         HeapFree(GetProcessHeap(), 0, user_agenta);
 386     }
 387
 388     This->internet = InternetOpenW(user_agent, 0, NULL, NULL, INTERNET_FLAG_ASYNC);
 389     if (!This->internet)
 390     {
 391         WARN("InternetOpen failed: %d\n", GetLastError());
 392         hres = INET_E_NO_SESSION;
 393         goto done;
 394     }
 395
 396     IInternetProtocolSink_AddRef(pOIProtSink);
 397     This->protocol_sink = pOIProtSink;
 398
 399     /* Native does not check for success of next call, so we won't either */
 400     InternetSetStatusCallbackW(This->internet, HTTPPROTOCOL_InternetStatusCallback);
 401
 402     This->connect = InternetConnectW(This->internet, host, url.nPort, user,
 403                                      pass, INTERNET_SERVICE_HTTP, 0, (DWORD)This);
 404     if (!This->connect)
 405     {
 406         WARN("InternetConnect failed: %d\n", GetLastError());
 407         hres = INET_E_CANNOT_CONNECT;
 408         goto done;
 409     }
 410
 411     num = sizeof(accept_mimes)/sizeof(accept_mimes[0])-1;
 412     hres = IInternetBindInfo_GetBindString(pOIBindInfo, BINDSTRING_ACCEPT_MIMES,
 413                                            accept_mimes,
 414                                            num, &num);
 415     if (hres != S_OK)
 416     {
 417         WARN("GetBindString BINDSTRING_ACCEPT_MIMES failed: %08x\n", hres);
 418         hres = INET_E_NO_VALID_MEDIA;
 419         goto done;
 420     }
 421     accept_mimes[num] = 0;
 422
 423     if (This->grfBINDF & BINDF_NOWRITECACHE)
 424         request_flags |= INTERNET_FLAG_NO_CACHE_WRITE;
 425     This->request = HttpOpenRequestW(This->connect, This->bind_info.dwBindVerb < BINDVERB_CUSTOM ?
 426                                      wszBindVerb[This->bind_info.dwBindVerb] :
 427                                      This->bind_info.szCustomVerb,
 428                                      path, NULL, NULL, (LPCWSTR *)accept_mimes,
 429                                      request_flags, (DWORD)This);
 430     if (!This->request)
 431     {
 432         WARN("HttpOpenRequest failed: %d\n", GetLastError());
 433         hres = INET_E_RESOURCE_NOT_FOUND;
 434         goto done;
 435     }
 436
 437     hres = IInternetProtocolSink_QueryInterface(pOIProtSink, &IID_IServiceProvider,
 438                                                 (void **)&service_provider);
 439     if (hres != S_OK)
 440     {
 441         WARN("IInternetProtocolSink_QueryInterface IID_IServiceProvider failed: %08x\n", hres);
 442         goto done;
 443     }
 444
 445     hres = IServiceProvider_QueryService(service_provider, &IID_IHttpNegotiate,
 446                                          &IID_IHttpNegotiate, (void **)&This->http_negotiate);
 447     if (hres != S_OK)
 448     {
 449         WARN("IServiceProvider_QueryService IID_IHttpNegotiate failed: %08x\n", hres);
 450         goto done;
 451     }
 452
 453     hres = IHttpNegotiate_BeginningTransaction(This->http_negotiate, szUrl, wszHeaders,
 454                                                0, &addl_header);
 455     if (hres != S_OK)
 456     {
 457         WARN("IHttpNegotiate_BeginningTransaction failed: %08x\n", hres);
 458         goto done;
 459     }
 460     else if (addl_header == NULL)
 461     {
 462         This->full_header = (LPWSTR)wszHeaders;
 463     }
 464     else
 465     {
 466         int len_addl_header = lstrlenW(addl_header);
 467         This->full_header = HeapAlloc(GetProcessHeap(), 0,
 468                                       len_addl_header*sizeof(WCHAR)+sizeof(wszHeaders));
 469         if (!This->full_header)
 470         {
 471             WARN("Out of memory\n");
 472             hres = E_OUTOFMEMORY;
 473             goto done;
 474         }
 475         lstrcpyW(This->full_header, addl_header);
 476         lstrcpyW(&This->full_header[len_addl_header], wszHeaders);
 477     }
 478
 479     hres = IServiceProvider_QueryService(service_provider, &IID_IHttpNegotiate2,
 480                                          &IID_IHttpNegotiate2, (void **)&http_negotiate2);
 481     if (hres != S_OK)
 482     {
 483         WARN("IServiceProvider_QueryService IID_IHttpNegotiate2 failed: %08x\n", hres);
 484         /* No goto done as per native */
 485     }
 486     else
 487     {
 488         len = sizeof(security_id)/sizeof(security_id[0]);
 489         hres = IHttpNegotiate2_GetRootSecurityId(http_negotiate2, security_id, &len, 0);
 490         if (hres != S_OK)
 491         {
 492             WARN("IHttpNegotiate2_GetRootSecurityId failed: %08x\n", hres);
 493             /* No goto done as per native */
 494         }
 495     }
 496
 497     /* FIXME: Handle security_id. Native calls undocumented function IsHostInProxyBypassList. */
 498
 499     if (This->bind_info.dwBindVerb == BINDVERB_POST)
 500     {
 501         num = 0;
 502         hres = IInternetBindInfo_GetBindString(pOIBindInfo, BINDSTRING_POST_COOKIE, &post_cookie,
 503                                                1, &num);
 504         if (hres == S_OK && num &&
 505             !InternetSetOptionW(This->request, INTERNET_OPTION_SECONDARY_CACHE_KEY,
 506                                 post_cookie, lstrlenW(post_cookie)))
 507         {
 508             WARN("InternetSetOption INTERNET_OPTION_SECONDARY_CACHE_KEY failed: %d\n",
 509                  GetLastError());
 510         }
 511     }
 512
 513     if (This->bind_info.dwBindVerb != BINDVERB_GET)
 514     {
 515         /* Native does not use GlobalLock/GlobalUnlock, so we won't either */
 516         if (This->bind_info.stgmedData.tymed != TYMED_HGLOBAL)
 517             WARN("Expected This->bind_info.stgmedData.tymed to be TYMED_HGLOBAL, not %d\n",
 518                  This->bind_info.stgmedData.tymed);
 519         else
 520             optional = (LPWSTR)This->bind_info.stgmedData.u.hGlobal;
 521     }
 522     if (!HttpSendRequestW(This->request, This->full_header, lstrlenW(This->full_header),
 523                           optional,
 524                           optional ? This->bind_info.cbstgmedData : 0) &&
 525         GetLastError() != ERROR_IO_PENDING)
 526     {
 527         WARN("HttpSendRequest failed: %d\n", GetLastError());
 528         hres = INET_E_DOWNLOAD_FAILURE;
 529         goto done;
 530     }
 531
 532     hres = S_OK;
 533 done:
 534     if (hres != S_OK)
 535     {
 536         IInternetProtocolSink_ReportResult(pOIProtSink, hres, 0, NULL);
 537         HTTPPROTOCOL_Close(This);
 538     }
 539
 540     CoTaskMemFree(post_cookie);
 541     CoTaskMemFree(addl_header);
 542     if (http_negotiate2)
 543         IHttpNegotiate2_Release(http_negotiate2);
 544     if (service_provider)
 545         IServiceProvider_Release(service_provider);
 546
 547     while (num<sizeof(accept_mimes)/sizeof(accept_mimes[0]) &&
 548            accept_mimes[num])
 549         CoTaskMemFree(accept_mimes[num++]);
 550     CoTaskMemFree(user_agent);
 551
 552     HeapFree(GetProcessHeap(), 0, pass);
 553     HeapFree(GetProcessHeap(), 0, user);
 554     HeapFree(GetProcessHeap(), 0, path);
 555     HeapFree(GetProcessHeap(), 0, host);
 556
 557     return hres;
 558 }
 559
 560 static HRESULT WINAPI HttpProtocol_Continue(IInternetProtocol *iface, PROTOCOLDATA *pProtocolData)
 561 {
 562     HttpProtocol *This = PROTOCOL_THIS(iface);
 563     DWORD len = sizeof(DWORD), status_code;
 564     LPWSTR response_headers = 0, content_type = 0, content_length = 0;
 565
 566     static const WCHAR wszDefaultContentType[] =
 567         {'t','e','x','t','/','h','t','m','l',0};
 568
 569     TRACE("(%p)->(%p)\n", This, pProtocolData);
 570
 571     if (!pProtocolData)
 572     {
 573         WARN("Expected pProtocolData to be non-NULL\n");
 574         return S_OK;
 575     }
 576     else if (!This->request)
 577     {
 578         WARN("Expected request to be non-NULL\n");
 579         return S_OK;
 580     }
 581     else if (!This->http_negotiate)
 582     {
 583         WARN("Expected IHttpNegotiate pointer to be non-NULL\n");
 584         return S_OK;
 585     }
 586     else if (!This->protocol_sink)
 587     {
 588         WARN("Expected IInternetProtocolSink pointer to be non-NULL\n");
 589         return S_OK;
 590     }
 591
 592     if (pProtocolData->pData == (LPVOID)BINDSTATUS_DOWNLOADINGDATA)
 593     {
 594         if (!HttpQueryInfoW(This->request, HTTP_QUERY_STATUS_CODE | HTTP_QUERY_FLAG_NUMBER,
 595                             &status_code, &len, NULL))
 596         {
 597             WARN("HttpQueryInfo failed: %d\n", GetLastError());
 598         }
 599         else
 600         {
 601             len = 0;
 602             if ((!HttpQueryInfoW(This->request, HTTP_QUERY_RAW_HEADERS_CRLF, response_headers, &len,
 603                                  NULL) &&
 604                  GetLastError() != ERROR_INSUFFICIENT_BUFFER) ||
 605                 !(response_headers = HeapAlloc(GetProcessHeap(), 0, len)) ||
 606                 !HttpQueryInfoW(This->request, HTTP_QUERY_RAW_HEADERS_CRLF, response_headers, &len,
 607                                 NULL))
 608             {
 609                 WARN("HttpQueryInfo failed: %d\n", GetLastError());
 610             }
 611             else
 612             {
 613                 HRESULT hres = IHttpNegotiate_OnResponse(This->http_negotiate, status_code,
 614                                                          response_headers, NULL, NULL);
 615                 if (hres != S_OK)
 616                 {
 617                     WARN("IHttpNegotiate_OnResponse failed: %08x\n", hres);
 618                     goto done;
 619                 }
 620             }
 621         }
 622
 623         len = 0;
 624         if ((!HttpQueryInfoW(This->request, HTTP_QUERY_CONTENT_TYPE, content_type, &len, NULL) &&
 625              GetLastError() != ERROR_INSUFFICIENT_BUFFER) ||
 626             !(content_type = HeapAlloc(GetProcessHeap(), 0, len)) ||
 627             !HttpQueryInfoW(This->request, HTTP_QUERY_CONTENT_TYPE, content_type, &len, NULL))
 628         {
 629             WARN("HttpQueryInfo failed: %d\n", GetLastError());
 630             IInternetProtocolSink_ReportProgress(This->protocol_sink,
 631                                                  (This->grfBINDF & BINDF_FROMURLMON) ?
 632                                                  BINDSTATUS_MIMETYPEAVAILABLE :
 633                                                  BINDSTATUS_RAWMIMETYPE,
 634                                                  wszDefaultContentType);
 635         }
 636         else
 637         {
 638             IInternetProtocolSink_ReportProgress(This->protocol_sink,
 639                                                  (This->grfBINDF & BINDF_FROMURLMON) ?
 640                                                  BINDSTATUS_MIMETYPEAVAILABLE :
 641                                                  BINDSTATUS_RAWMIMETYPE,
 642                                                  content_type);
 643         }
 644
 645         len = 0;
 646         if ((!HttpQueryInfoW(This->request, HTTP_QUERY_CONTENT_LENGTH, content_length, &len, NULL) &&
 647              GetLastError() != ERROR_INSUFFICIENT_BUFFER) ||
 648             !(content_length = HeapAlloc(GetProcessHeap(), 0, len)) ||
 649             !HttpQueryInfoW(This->request, HTTP_QUERY_CONTENT_LENGTH, content_length, &len, NULL))
 650         {
 651             WARN("HttpQueryInfo failed: %d\n", GetLastError());
 652             This->content_length = 0;
 653         }
 654         else
 655         {
 656             This->content_length = atoiW(content_length);
 657         }
 658
 659         This->flags |= FLAG_FIRST_CONTINUE_COMPLETE;
 660     }
 661
 662     if (pProtocolData->pData >= (LPVOID)BINDSTATUS_DOWNLOADINGDATA)
 663     {
 664         /* InternetQueryDataAvailable may immediately fork and perform its asynchronous
 665          * read, so clear the flag _before_ calling so it does not incorrectly get cleared
 666          * after the status callback is called */
 667         This->flags &= ~FLAG_REQUEST_COMPLETE;
 668         if (!InternetQueryDataAvailable(This->request, &This->available_bytes, 0, 0))
 669         {
 670             if (GetLastError() != ERROR_IO_PENDING)
 671             {
 672                 This->flags |= FLAG_REQUEST_COMPLETE;
 673                 WARN("InternetQueryDataAvailable failed: %d\n", GetLastError());
 674                 HTTPPROTOCOL_ReportResult(This, INET_E_DATA_NOT_AVAILABLE);
 675             }
 676         }
 677         else
 678         {
 679             This->flags |= FLAG_REQUEST_COMPLETE;
 680             HTTPPROTOCOL_ReportData(This);
 681         }
 682     }
 683
 684 done:
 685     HeapFree(GetProcessHeap(), 0, response_headers);
 686     HeapFree(GetProcessHeap(), 0, content_type);
 687     HeapFree(GetProcessHeap(), 0, content_length);
 688
 689     /* Returns S_OK on native */
 690     return S_OK;
 691 }
 692
 693 static HRESULT WINAPI HttpProtocol_Abort(IInternetProtocol *iface, HRESULT hrReason,
 694         DWORD dwOptions)
 695 {
 696     HttpProtocol *This = PROTOCOL_THIS(iface);
 697     FIXME("(%p)->(%08x %08x)\n", This, hrReason, dwOptions);
 698     return E_NOTIMPL;
 699 }
 700
 701 static HRESULT WINAPI HttpProtocol_Terminate(IInternetProtocol *iface, DWORD dwOptions)
 702 {
 703     HttpProtocol *This = PROTOCOL_THIS(iface);
 704
 705     TRACE("(%p)->(%08x)\n", This, dwOptions);
 706     HTTPPROTOCOL_Close(This);
 707
 708     return S_OK;
 709 }
 710
 711 static HRESULT WINAPI HttpProtocol_Suspend(IInternetProtocol *iface)
 712 {
 713     HttpProtocol *This = PROTOCOL_THIS(iface);
 714     FIXME("(%p)\n", This);
 715     return E_NOTIMPL;
 716 }
 717
 718 static HRESULT WINAPI HttpProtocol_Resume(IInternetProtocol *iface)
 719 {
 720     HttpProtocol *This = PROTOCOL_THIS(iface);
 721     FIXME("(%p)\n", This);
 722     return E_NOTIMPL;
 723 }
 724
 725 static HRESULT WINAPI HttpProtocol_Read(IInternetProtocol *iface, void *pv,
 726         ULONG cb, ULONG *pcbRead)
 727 {
 728     HttpProtocol *This = PROTOCOL_THIS(iface);
 729     ULONG read = 0, len = 0;
 730     HRESULT hres = S_FALSE;
 731
 732     TRACE("(%p)->(%p %u %p)\n", This, pv, cb, pcbRead);
 733
 734     if (!(This->flags & FLAG_REQUEST_COMPLETE))
 735     {
 736         hres = E_PENDING;
 737     }
 738     else while (!(This->flags & FLAG_ALL_DATA_READ) &&
 739                 read < cb)
 740     {
 741         if (This->available_bytes == 0)
 742         {
 743             /* InternetQueryDataAvailable may immediately fork and perform its asynchronous
 744              * read, so clear the flag _before_ calling so it does not incorrectly get cleared
 745              * after the status callback is called */
 746             This->flags &= ~FLAG_REQUEST_COMPLETE;
 747             if (!InternetQueryDataAvailable(This->request, &This->available_bytes, 0, 0))
 748             {
 749                 if (GetLastError() == ERROR_IO_PENDING)
 750                 {
 751                     hres = E_PENDING;
 752                 }
 753                 else
 754                 {
 755                     WARN("InternetQueryDataAvailable failed: %d\n", GetLastError());
 756                     hres = INET_E_DATA_NOT_AVAILABLE;
 757                     HTTPPROTOCOL_ReportResult(This, hres);
 758                 }
 759                 goto done;
 760             }
 761             else if (This->available_bytes == 0)
 762             {
 763                 HTTPPROTOCOL_AllDataRead(This);
 764             }
 765         }
 766         else
 767         {
 768             if (!InternetReadFile(This->request, ((BYTE *)pv)+read,
 769                                   This->available_bytes > cb-read ?
 770                                   cb-read : This->available_bytes, &len))
 771             {
 772                 WARN("InternetReadFile failed: %d\n", GetLastError());
 773                 hres = INET_E_DOWNLOAD_FAILURE;
 774                 HTTPPROTOCOL_ReportResult(This, hres);
 775                 goto done;
 776             }
 777             else if (len == 0)
 778             {
 779                 HTTPPROTOCOL_AllDataRead(This);
 780             }
 781             else
 782             {
 783                 read += len;
 784                 This->current_position += len;
 785                 This->available_bytes -= len;
 786             }
 787         }
 788     }
 789
 790     /* Per MSDN this should be if (read == cb), but native returns S_OK
 791      * if any bytes were read, so we will too */
 792     if (read)
 793         hres = S_OK;
 794
 795 done:
 796     if (pcbRead)
 797         *pcbRead = read;
 798
 799     if (hres != E_PENDING)
 800         This->flags |= FLAG_REQUEST_COMPLETE;
 801
 802     return hres;
 803 }
 804
 805 static HRESULT WINAPI HttpProtocol_Seek(IInternetProtocol *iface, LARGE_INTEGER dlibMove,
 806         DWORD dwOrigin, ULARGE_INTEGER *plibNewPosition)
 807 {
 808     HttpProtocol *This = PROTOCOL_THIS(iface);
 809     FIXME("(%p)->(%d %d %p)\n", This, dlibMove.u.LowPart, dwOrigin, plibNewPosition);
 810     return E_NOTIMPL;
 811 }
 812
 813 static HRESULT WINAPI HttpProtocol_LockRequest(IInternetProtocol *iface, DWORD dwOptions)
 814 {
 815     HttpProtocol *This = PROTOCOL_THIS(iface);
 816
 817     TRACE("(%p)->(%08x)\n", This, dwOptions);
 818
 819     if (!InternetLockRequestFile(This->request, &This->lock))
 820         WARN("InternetLockRequest failed: %d\n", GetLastError());
 821
 822     return S_OK;
 823 }
 824
 825 static HRESULT WINAPI HttpProtocol_UnlockRequest(IInternetProtocol *iface)
 826 {
 827     HttpProtocol *This = PROTOCOL_THIS(iface);
 828
 829     TRACE("(%p)\n", This);
 830
 831     if (This->lock)
 832     {
 833         if (!InternetUnlockRequestFile(This->lock))
 834             WARN("InternetUnlockRequest failed: %d\n", GetLastError());
 835         This->lock = 0;
 836     }
 837
 838     return S_OK;
 839 }
 840
 841 #undef PROTOCOL_THIS
 842
 843 #define PRIORITY_THIS(iface) DEFINE_THIS(HttpProtocol, InternetPriority, iface)
 844
 845 static HRESULT WINAPI HttpPriority_QueryInterface(IInternetPriority *iface, REFIID riid, void **ppv)
 846 {
 847     HttpProtocol *This = PRIORITY_THIS(iface);
 848     return IInternetProtocol_QueryInterface(PROTOCOL(This), riid, ppv);
 849 }
 850
 851 static ULONG WINAPI HttpPriority_AddRef(IInternetPriority *iface)
 852 {
 853     HttpProtocol *This = PRIORITY_THIS(iface);
 854     return IInternetProtocol_AddRef(PROTOCOL(This));
 855 }
 856
 857 static ULONG WINAPI HttpPriority_Release(IInternetPriority *iface)
 858 {
 859     HttpProtocol *This = PRIORITY_THIS(iface);
 860     return IInternetProtocol_Release(PROTOCOL(This));
 861 }
 862
 863 static HRESULT WINAPI HttpPriority_SetPriority(IInternetPriority *iface, LONG nPriority)
 864 {
 865     HttpProtocol *This = PRIORITY_THIS(iface);
 866
 867     TRACE("(%p)->(%d)\n", This, nPriority);
 868
 869     This->priority = nPriority;
 870     return S_OK;
 871 }
 872
 873 static HRESULT WINAPI HttpPriority_GetPriority(IInternetPriority *iface, LONG *pnPriority)
 874 {
 875     HttpProtocol *This = PRIORITY_THIS(iface);
 876
 877     TRACE("(%p)->(%p)\n", This, pnPriority);
 878
 879     *pnPriority = This->priority;
 880     return S_OK;
 881 }
 882
 883 #undef PRIORITY_THIS
 884
 885 static const IInternetPriorityVtbl HttpPriorityVtbl = {
 886     HttpPriority_QueryInterface,
 887     HttpPriority_AddRef,
 888     HttpPriority_Release,
 889     HttpPriority_SetPriority,
 890     HttpPriority_GetPriority
 891 };
 892
 893 static const IInternetProtocolVtbl HttpProtocolVtbl = {
 894     HttpProtocol_QueryInterface,
 895     HttpProtocol_AddRef,
 896     HttpProtocol_Release,
 897     HttpProtocol_Start,
 898     HttpProtocol_Continue,
 899     HttpProtocol_Abort,
 900     HttpProtocol_Terminate,
 901     HttpProtocol_Suspend,
 902     HttpProtocol_Resume,
 903     HttpProtocol_Read,
 904     HttpProtocol_Seek,
 905     HttpProtocol_LockRequest,
 906     HttpProtocol_UnlockRequest
 907 };
 908
 909 HRESULT HttpProtocol_Construct(IUnknown *pUnkOuter, LPVOID *ppobj)
 910 {
 911     HttpProtocol *ret;
 912
 913     TRACE("(%p %p)\n", pUnkOuter, ppobj);
 914
 915     URLMON_LockModule();
 916
 917     ret = HeapAlloc(GetProcessHeap(), 0, sizeof(HttpProtocol));
 918
 919     ret->lpInternetProtocolVtbl = &HttpProtocolVtbl;
 920     ret->lpInternetPriorityVtbl = &HttpPriorityVtbl;
 921     ret->flags = ret->grfBINDF = 0;
 922     memset(&ret->bind_info, 0, sizeof(ret->bind_info));
 923     ret->protocol_sink = 0;
 924     ret->http_negotiate = 0;
 925     ret->internet = ret->connect = ret->request = 0;
 926     ret->full_header = 0;
 927     ret->lock = 0;
 928     ret->current_position = ret->content_length = ret->available_bytes = 0;
 929     ret->priority = 0;
 930     ret->ref = 1;
 931
 932     *ppobj = PROTOCOL(ret);
 933
 934     return S_OK;
 935 }