git.oblomov.eu Git - wine/blob - dlls/urlmon/urlmon_main.c

   1 /*
   2  * UrlMon
   3  *
   4  * Copyright (c) 2000 Patrik Stridvall
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include <stdarg.h>
  22
  23 #include "urlmon_main.h"
  24
  25 #include "winreg.h"
  26
  27 #define NO_SHLWAPI_REG
  28 #include "shlwapi.h"
  29 #include "wine/debug.h"
  30
  31 #include "urlmon.h"
  32
  33 WINE_DEFAULT_DEBUG_CHANNEL(urlmon);
  34
  35 LONG URLMON_refCount = 0;
  36
  37 HINSTANCE URLMON_hInstance = 0;
  38 static HMODULE hCabinet = NULL;
  39
  40 static void init_session(BOOL);
  41
  42 /***********************************************************************
  43  *              DllMain (URLMON.init)
  44  */
  45 BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID fImpLoad)
  46 {
  47     TRACE("%p 0x%x %p\n", hinstDLL, fdwReason, fImpLoad);
  48
  49     switch(fdwReason) {
  50     case DLL_PROCESS_ATTACH:
  51         DisableThreadLibraryCalls(hinstDLL);
  52         URLMON_hInstance = hinstDLL;
  53         init_session(TRUE);
  54         break;
  55
  56     case DLL_PROCESS_DETACH:
  57         if (hCabinet)
  58             FreeLibrary(hCabinet);
  59         hCabinet = NULL;
  60         init_session(FALSE);
  61         URLMON_hInstance = 0;
  62         break;
  63     }
  64     return TRUE;
  65 }
  66
  67
  68 /***********************************************************************
  69  *              DllInstall (URLMON.@)
  70  */
  71 HRESULT WINAPI DllInstall(BOOL bInstall, LPCWSTR cmdline)
  72 {
  73   FIXME("(%s, %s): stub\n", bInstall?"TRUE":"FALSE",
  74         debugstr_w(cmdline));
  75
  76   return S_OK;
  77 }
  78
  79 /***********************************************************************
  80  *              DllCanUnloadNow (URLMON.@)
  81  */
  82 HRESULT WINAPI DllCanUnloadNow(void)
  83 {
  84     return URLMON_refCount != 0 ? S_FALSE : S_OK;
  85 }
  86
  87
  88
  89 /******************************************************************************
  90  * Urlmon ClassFactory
  91  */
  92 typedef struct {
  93     const IClassFactoryVtbl *lpClassFactoryVtbl;
  94
  95     HRESULT (*pfnCreateInstance)(IUnknown *pUnkOuter, LPVOID *ppObj);
  96 } ClassFactory;
  97
  98 #define CLASSFACTORY(x)  ((IClassFactory*)  &(x)->lpClassFactoryVtbl)
  99
 100 static HRESULT WINAPI CF_QueryInterface(IClassFactory *iface, REFIID riid, LPVOID *ppv)
 101 {
 102     *ppv = NULL;
 103
 104     if(IsEqualGUID(riid, &IID_IUnknown)) {
 105         TRACE("(%p)->(IID_IUnknown %p)\n", iface, ppv);
 106         *ppv = iface;
 107     }else if(IsEqualGUID(riid, &IID_IClassFactory)) {
 108         TRACE("(%p)->(IID_IClassFactory %p)\n", iface, ppv);
 109         *ppv = iface;
 110     }
 111
 112     if(*ppv) {
 113         IUnknown_AddRef((IUnknown*)*ppv);
 114         return S_OK;
 115     }
 116
 117     WARN("(%p)->(%s,%p),not found\n", iface, debugstr_guid(riid), ppv);
 118     return E_NOINTERFACE;
 119 }
 120
 121 static ULONG WINAPI CF_AddRef(IClassFactory *iface)
 122 {
 123     URLMON_LockModule();
 124     return 2;
 125 }
 126
 127 static ULONG WINAPI CF_Release(IClassFactory *iface)
 128 {
 129     URLMON_UnlockModule();
 130     return 1;
 131 }
 132
 133
 134 static HRESULT WINAPI CF_CreateInstance(IClassFactory *iface, IUnknown *pOuter,
 135                                         REFIID riid, LPVOID *ppobj)
 136 {
 137     ClassFactory *This = (ClassFactory*)iface;
 138     HRESULT hres;
 139     LPUNKNOWN punk;
 140
 141     TRACE("(%p)->(%p,%s,%p)\n",This,pOuter,debugstr_guid(riid),ppobj);
 142
 143     *ppobj = NULL;
 144     if(SUCCEEDED(hres = This->pfnCreateInstance(pOuter, (LPVOID *) &punk))) {
 145         hres = IUnknown_QueryInterface(punk, riid, ppobj);
 146         IUnknown_Release(punk);
 147     }
 148     return hres;
 149 }
 150
 151 static HRESULT WINAPI CF_LockServer(LPCLASSFACTORY iface,BOOL dolock)
 152 {
 153     TRACE("(%d)\n", dolock);
 154
 155     if (dolock)
 156            URLMON_LockModule();
 157     else
 158            URLMON_UnlockModule();
 159
 160     return S_OK;
 161 }
 162
 163 static const IClassFactoryVtbl ClassFactoryVtbl =
 164 {
 165     CF_QueryInterface,
 166     CF_AddRef,
 167     CF_Release,
 168     CF_CreateInstance,
 169     CF_LockServer
 170 };
 171
 172 static const ClassFactory FileProtocolCF =
 173     { &ClassFactoryVtbl, FileProtocol_Construct};
 174 static const ClassFactory FtpProtocolCF =
 175     { &ClassFactoryVtbl, FtpProtocol_Construct};
 176 static const ClassFactory GopherProtocolCF =
 177     { &ClassFactoryVtbl, GopherProtocol_Construct};
 178 static const ClassFactory HttpProtocolCF =
 179     { &ClassFactoryVtbl, HttpProtocol_Construct};
 180 static const ClassFactory HttpSProtocolCF =
 181     { &ClassFactoryVtbl, HttpSProtocol_Construct};
 182 static const ClassFactory MkProtocolCF =
 183     { &ClassFactoryVtbl, MkProtocol_Construct};
 184 static const ClassFactory SecurityManagerCF =
 185     { &ClassFactoryVtbl, SecManagerImpl_Construct};
 186 static const ClassFactory ZoneManagerCF =
 187     { &ClassFactoryVtbl, ZoneMgrImpl_Construct};
 188
 189 struct object_creation_info
 190 {
 191     const CLSID *clsid;
 192     IClassFactory *cf;
 193     LPCWSTR protocol;
 194 };
 195
 196 static const WCHAR wszFile[] = {'f','i','l','e',0};
 197 static const WCHAR wszFtp[]  = {'f','t','p',0};
 198 static const WCHAR wszGopher[]  = {'g','o','p','h','e','r',0};
 199 static const WCHAR wszHttp[] = {'h','t','t','p',0};
 200 static const WCHAR wszHttps[] = {'h','t','t','p','s',0};
 201 static const WCHAR wszMk[]   = {'m','k',0};
 202
 203 static const struct object_creation_info object_creation[] =
 204 {
 205     { &CLSID_FileProtocol,            CLASSFACTORY(&FileProtocolCF),    wszFile },
 206     { &CLSID_FtpProtocol,             CLASSFACTORY(&FtpProtocolCF),     wszFtp  },
 207     { &CLSID_GopherProtocol,          CLASSFACTORY(&GopherProtocolCF),  wszGopher },
 208     { &CLSID_HttpProtocol,            CLASSFACTORY(&HttpProtocolCF),    wszHttp },
 209     { &CLSID_HttpSProtocol,           CLASSFACTORY(&HttpSProtocolCF),   wszHttps },
 210     { &CLSID_MkProtocol,              CLASSFACTORY(&MkProtocolCF),      wszMk },
 211     { &CLSID_InternetSecurityManager, CLASSFACTORY(&SecurityManagerCF), NULL    },
 212     { &CLSID_InternetZoneManager,     CLASSFACTORY(&ZoneManagerCF),     NULL    }
 213 };
 214
 215 static void init_session(BOOL init)
 216 {
 217     unsigned int i;
 218
 219     for(i=0; i < sizeof(object_creation)/sizeof(object_creation[0]); i++) {
 220
 221         if(object_creation[i].protocol)
 222             register_urlmon_namespace(object_creation[i].cf, object_creation[i].clsid,
 223                                       object_creation[i].protocol, init);
 224     }
 225 }
 226
 227 /*******************************************************************************
 228  * DllGetClassObject [URLMON.@]
 229  * Retrieves class object from a DLL object
 230  *
 231  * NOTES
 232  *    Docs say returns STDAPI
 233  *
 234  * PARAMS
 235  *    rclsid [I] CLSID for the class object
 236  *    riid   [I] Reference to identifier of interface for class object
 237  *    ppv    [O] Address of variable to receive interface pointer for riid
 238  *
 239  * RETURNS
 240  *    Success: S_OK
 241  *    Failure: CLASS_E_CLASSNOTAVAILABLE, E_OUTOFMEMORY, E_INVALIDARG,
 242  *             E_UNEXPECTED
 243  */
 244
 245 HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv)
 246 {
 247     unsigned int i;
 248
 249     TRACE("(%s,%s,%p)\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 250
 251     for (i=0; i < sizeof(object_creation)/sizeof(object_creation[0]); i++)
 252     {
 253         if (IsEqualGUID(object_creation[i].clsid, rclsid))
 254             return IClassFactory_QueryInterface(object_creation[i].cf, riid, ppv);
 255     }
 256
 257     FIXME("%s: no class found.\n", debugstr_guid(rclsid));
 258     return CLASS_E_CLASSNOTAVAILABLE;
 259 }
 260
 261
 262 /***********************************************************************
 263  *              DllRegisterServerEx (URLMON.@)
 264  */
 265 HRESULT WINAPI DllRegisterServerEx(void)
 266 {
 267     FIXME("(void): stub\n");
 268
 269     return E_FAIL;
 270 }
 271
 272 /**************************************************************************
 273  *                 UrlMkSetSessionOption (URLMON.@)
 274  */
 275 HRESULT WINAPI UrlMkSetSessionOption(DWORD dwOption, LPVOID pBuffer, DWORD dwBufferLength,
 276                                         DWORD Reserved)
 277 {
 278     FIXME("(%#x, %p, %#x): stub\n", dwOption, pBuffer, dwBufferLength);
 279
 280     return S_OK;
 281 }
 282
 283 static const CHAR Agent[] = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0)";
 284
 285 /**************************************************************************
 286  *                 ObtainUserAgentString (URLMON.@)
 287  */
 288 HRESULT WINAPI ObtainUserAgentString(DWORD dwOption, LPSTR pcszUAOut, DWORD *cbSize)
 289 {
 290     FIXME("(%d, %p, %p): stub\n", dwOption, pcszUAOut, cbSize);
 291
 292     if (pcszUAOut == NULL || cbSize == NULL)
 293         return E_INVALIDARG;
 294
 295     if (*cbSize < sizeof(Agent))
 296     {
 297         *cbSize = sizeof(Agent);
 298         return E_OUTOFMEMORY;
 299     }
 300
 301     if (sizeof(Agent) < *cbSize)
 302         *cbSize = sizeof(Agent);
 303     lstrcpynA(pcszUAOut, Agent, *cbSize);
 304
 305     return S_OK;
 306 }
 307
 308 /**************************************************************************
 309  *                 IsValidURL (URLMON.@)
 310  *
 311  * Determines if a specified string is a valid URL.
 312  *
 313  * PARAMS
 314  *  pBC        [I] ignored, must be NULL.
 315  *  szURL      [I] string that represents the URL in question.
 316  *  dwReserved [I] reserved and must be zero.
 317  *
 318  * RETURNS
 319  *  Success: S_OK.
 320  *  Failure: S_FALSE.
 321  *  returns E_INVALIDARG if one or more of the args is invalid.
 322  *
 323  * TODO:
 324  *  test functionality against windows to see what a valid URL is.
 325  */
 326 HRESULT WINAPI IsValidURL(LPBC pBC, LPCWSTR szURL, DWORD dwReserved)
 327 {
 328     FIXME("(%p, %s, %d): stub\n", pBC, debugstr_w(szURL), dwReserved);
 329
 330     if (pBC != NULL || dwReserved != 0)
 331         return E_INVALIDARG;
 332
 333     return S_OK;
 334 }
 335
 336 /**************************************************************************
 337  *                 FaultInIEFeature (URLMON.@)
 338  *
 339  *  Undocumented.  Appears to be used by native shdocvw.dll.
 340  */
 341 HRESULT WINAPI FaultInIEFeature( HWND hwnd, uCLSSPEC * pClassSpec,
 342                                  QUERYCONTEXT *pQuery, DWORD flags )
 343 {
 344     FIXME("%p %p %p %08x\n", hwnd, pClassSpec, pQuery, flags);
 345     return E_NOTIMPL;
 346 }
 347
 348 /**************************************************************************
 349  *                 CoGetClassObjectFromURL (URLMON.@)
 350  */
 351 HRESULT WINAPI CoGetClassObjectFromURL( REFCLSID rclsid, LPCWSTR szCodeURL, DWORD dwFileVersionMS,
 352                                         DWORD dwFileVersionLS, LPCWSTR szContentType,
 353                                         LPBINDCTX pBindCtx, DWORD dwClsContext, LPVOID pvReserved,
 354                                         REFIID riid, LPVOID *ppv )
 355 {
 356     FIXME("(%s %s %d %d %s %p %d %p %s %p) Stub!\n", debugstr_guid(rclsid), debugstr_w(szCodeURL),
 357         dwFileVersionMS, dwFileVersionLS, debugstr_w(szContentType), pBindCtx, dwClsContext, pvReserved,
 358         debugstr_guid(riid), ppv);
 359     return E_NOINTERFACE;
 360 }
 361
 362 /***********************************************************************
 363  *           ReleaseBindInfo (URLMON.@)
 364  *
 365  * Release the resources used by the specified BINDINFO structure.
 366  *
 367  * PARAMS
 368  *  pbindinfo [I] BINDINFO to release.
 369  *
 370  * RETURNS
 371  *  Nothing.
 372  */
 373 void WINAPI ReleaseBindInfo(BINDINFO* pbindinfo)
 374 {
 375     DWORD size;
 376
 377     TRACE("(%p)\n", pbindinfo);
 378
 379     if(!pbindinfo || !(size = pbindinfo->cbSize))
 380         return;
 381
 382     CoTaskMemFree(pbindinfo->szExtraInfo);
 383     ReleaseStgMedium(&pbindinfo->stgmedData);
 384
 385     if(offsetof(BINDINFO, szExtraInfo) < size)
 386         CoTaskMemFree(pbindinfo->szCustomVerb);
 387
 388     if(pbindinfo->pUnk && offsetof(BINDINFO, pUnk) < size)
 389         IUnknown_Release(pbindinfo->pUnk);
 390
 391     memset(pbindinfo, 0, size);
 392     pbindinfo->cbSize = size;
 393 }
 394
 395 /***********************************************************************
 396  *           CopyStgMedium (URLMON.@)
 397  */
 398 HRESULT WINAPI CopyStgMedium(const STGMEDIUM *src, STGMEDIUM *dst)
 399 {
 400     TRACE("(%p %p)\n", src, dst);
 401
 402     if(!src || !dst)
 403         return E_POINTER;
 404
 405     *dst = *src;
 406
 407     switch(dst->tymed) {
 408     case TYMED_NULL:
 409         break;
 410     case TYMED_FILE:
 411         if(src->u.lpszFileName && !src->pUnkForRelease) {
 412             DWORD size = (strlenW(src->u.lpszFileName)+1)*sizeof(WCHAR);
 413             dst->u.lpszFileName = CoTaskMemAlloc(size);
 414             memcpy(dst->u.lpszFileName, src->u.lpszFileName, size);
 415         }
 416         break;
 417     case TYMED_ISTREAM:
 418         if(dst->u.pstm)
 419             IStream_AddRef(dst->u.pstm);
 420         break;
 421     case TYMED_ISTORAGE:
 422         if(dst->u.pstg)
 423             IStorage_AddRef(dst->u.pstg);
 424         break;
 425     default:
 426         FIXME("Unimplemented tymed %d\n", src->tymed);
 427     }
 428
 429     if(dst->pUnkForRelease)
 430         IUnknown_AddRef(dst->pUnkForRelease);
 431
 432     return S_OK;
 433 }
 434
 435 static BOOL text_richtext_filter(const BYTE *b, DWORD size)
 436 {
 437     return size > 5 && !memcmp(b, "{\\rtf", 5);
 438 }
 439
 440 static BOOL text_html_filter(const BYTE *b, DWORD size)
 441 {
 442     DWORD i;
 443
 444     if(size < 5)
 445         return FALSE;
 446
 447     for(i=0; i < size-5; i++) {
 448         if(b[i] == '<'
 449            && (b[i+1] == 'h' || b[i+1] == 'H')
 450            && (b[i+2] == 't' || b[i+2] == 'T')
 451            && (b[i+3] == 'm' || b[i+3] == 'M')
 452            && (b[i+4] == 'l' || b[i+4] == 'L'))
 453             return TRUE;
 454     }
 455
 456     return FALSE;
 457 }
 458
 459 static BOOL audio_basic_filter(const BYTE *b, DWORD size)
 460 {
 461     return size > 4
 462         && b[0] == '.' && b[1] == 's' && b[2] == 'n' && b[3] == 'd';
 463 }
 464
 465 static BOOL audio_wav_filter(const BYTE *b, DWORD size)
 466 {
 467     return size > 12
 468         && b[0] == 'R' && b[1] == 'I' && b[2] == 'F' && b[3] == 'F'
 469         && b[8] == 'W' && b[9] == 'A' && b[10] == 'V' && b[11] == 'E';
 470 }
 471
 472 static BOOL image_gif_filter(const BYTE *b, DWORD size)
 473 {
 474     return size >= 6
 475         && (b[0] == 'G' || b[0] == 'g')
 476         && (b[1] == 'I' || b[1] == 'i')
 477         && (b[2] == 'F' || b[2] == 'f')
 478         &&  b[3] == '8'
 479         && (b[4] == '7' || b[4] == '9')
 480         && (b[5] == 'A' || b[5] == 'a');
 481 }
 482
 483 static BOOL image_pjpeg_filter(const BYTE *b, DWORD size)
 484 {
 485     return size > 2 && b[0] == 0xff && b[1] == 0xd8;
 486 }
 487
 488 static BOOL image_tiff_filter(const BYTE *b, DWORD size)
 489 {
 490     return size > 2 && b[0] == 0x4d && b[1] == 0x4d;
 491 }
 492
 493 static BOOL image_xpng_filter(const BYTE *b, DWORD size)
 494 {
 495     static const BYTE xpng_header[] = {0x89,'P','N','G',0x0d,0x0a,0x1a,0x0a};
 496     return size > sizeof(xpng_header) && !memcmp(b, xpng_header, sizeof(xpng_header));
 497 }
 498
 499 static BOOL image_bmp_filter(const BYTE *b, DWORD size)
 500 {
 501     return size >= 14
 502         && b[0] == 0x42 && b[1] == 0x4d
 503         && *(const DWORD *)(b+6) == 0;
 504 }
 505
 506 static BOOL video_avi_filter(const BYTE *b, DWORD size)
 507 {
 508     return size > 12
 509         && b[0] == 'R' && b[1] == 'I' && b[2] == 'F' && b[3] == 'F'
 510         && b[8] == 'A' && b[9] == 'V' && b[10] == 'I' && b[11] == 0x20;
 511 }
 512
 513 static BOOL video_mpeg_filter(const BYTE *b, DWORD size)
 514 {
 515     return size > 4
 516         && !b[0] && !b[1] && b[2] == 0x01
 517         && (b[3] == 0xb3 || b[3] == 0xba);
 518 }
 519
 520 static BOOL application_postscript_filter(const BYTE *b, DWORD size)
 521 {
 522     return size > 2 && b[0] == '%' && b[1] == '!';
 523 }
 524
 525 static BOOL application_pdf_filter(const BYTE *b, DWORD size)
 526 {
 527     return size > 4 && b[0] == 0x25 && b[1] == 0x50 && b[2] == 0x44 && b[3] == 0x46;
 528 }
 529
 530 static BOOL application_xzip_filter(const BYTE *b, DWORD size)
 531 {
 532     return size > 2 && b[0] == 0x50 && b[1] == 0x4b;
 533 }
 534
 535 static BOOL application_xgzip_filter(const BYTE *b, DWORD size)
 536 {
 537     return size > 2 && b[0] == 0x1f && b[1] == 0x8b;
 538 }
 539
 540 static BOOL application_java_filter(const BYTE *b, DWORD size)
 541 {
 542     return size > 4 && b[0] == 0xca && b[1] == 0xfe && b[2] == 0xba && b[3] == 0xbe;
 543 }
 544
 545 static BOOL application_xmsdownload(const BYTE *b, DWORD size)
 546 {
 547     return size > 2 && b[0] == 'M' && b[1] == 'Z';
 548 }
 549
 550 static BOOL text_plain_filter(const BYTE *b, DWORD size)
 551 {
 552     const BYTE *ptr;
 553
 554     for(ptr = b; ptr < b+size-1; ptr++) {
 555         if(*ptr < 0x20 && *ptr != '\n' && *ptr != '\r' && *ptr != '\t')
 556             return FALSE;
 557     }
 558
 559     return TRUE;
 560 }
 561
 562 static BOOL application_octet_stream_filter(const BYTE *b, DWORD size)
 563 {
 564     return TRUE;
 565 }
 566
 567 /***********************************************************************
 568  *           FindMimeFromData (URLMON.@)
 569  *
 570  * Determines the Multipurpose Internet Mail Extensions (MIME) type from the data provided.
 571  */
 572 HRESULT WINAPI FindMimeFromData(LPBC pBC, LPCWSTR pwzUrl, LPVOID pBuffer,
 573         DWORD cbSize, LPCWSTR pwzMimeProposed, DWORD dwMimeFlags,
 574         LPWSTR* ppwzMimeOut, DWORD dwReserved)
 575 {
 576     TRACE("(%p,%s,%p,%d,%s,0x%x,%p,0x%x)\n", pBC, debugstr_w(pwzUrl), pBuffer, cbSize,
 577             debugstr_w(pwzMimeProposed), dwMimeFlags, ppwzMimeOut, dwReserved);
 578
 579     if(dwMimeFlags)
 580         WARN("dwMimeFlags=%08x\n", dwMimeFlags);
 581     if(dwReserved)
 582         WARN("dwReserved=%d\n", dwReserved);
 583
 584     /* pBC seams to not be used */
 585
 586     if(!ppwzMimeOut || (!pwzUrl && !pBuffer))
 587         return E_INVALIDARG;
 588
 589     if(pwzMimeProposed && (!pBuffer || (pBuffer && !cbSize))) {
 590         DWORD len;
 591
 592         if(!pwzMimeProposed)
 593             return E_FAIL;
 594
 595         len = strlenW(pwzMimeProposed)+1;
 596         *ppwzMimeOut = CoTaskMemAlloc(len*sizeof(WCHAR));
 597         memcpy(*ppwzMimeOut, pwzMimeProposed, len*sizeof(WCHAR));
 598         return S_OK;
 599     }
 600
 601     if(pBuffer) {
 602         const BYTE *buf = pBuffer;
 603         DWORD len;
 604         LPCWSTR ret = NULL;
 605         unsigned int i;
 606
 607         static const WCHAR wszTextHtml[] = {'t','e','x','t','/','h','t','m','l',0};
 608         static const WCHAR wszTextRichtext[] = {'t','e','x','t','/','r','i','c','h','t','e','x','t',0};
 609         static const WCHAR wszAudioBasic[] = {'a','u','d','i','o','/','b','a','s','i','c',0};
 610         static const WCHAR wszAudioWav[] = {'a','u','d','i','o','/','w','a','v',0};
 611         static const WCHAR wszImageGif[] = {'i','m','a','g','e','/','g','i','f',0};
 612         static const WCHAR wszImagePjpeg[] = {'i','m','a','g','e','/','p','j','p','e','g',0};
 613         static const WCHAR wszImageTiff[] = {'i','m','a','g','e','/','t','i','f','f',0};
 614         static const WCHAR wszImageXPng[] = {'i','m','a','g','e','/','x','-','p','n','g',0};
 615         static const WCHAR wszImageBmp[] = {'i','m','a','g','e','/','b','m','p',0};
 616         static const WCHAR wszVideoAvi[] = {'v','i','d','e','o','/','a','v','i',0};
 617         static const WCHAR wszVideoMpeg[] = {'v','i','d','e','o','/','m','p','e','g',0};
 618         static const WCHAR wszAppPostscript[] =
 619             {'a','p','p','l','i','c','a','t','i','o','n','/','p','o','s','t','s','c','r','i','p','t',0};
 620         static const WCHAR wszAppPdf[] = {'a','p','p','l','i','c','a','t','i','o','n','/',
 621             'p','d','f',0};
 622         static const WCHAR wszAppXZip[] = {'a','p','p','l','i','c','a','t','i','o','n','/',
 623             'x','-','z','i','p','-','c','o','m','p','r','e','s','s','e','d',0};
 624         static const WCHAR wszAppXGzip[] = {'a','p','p','l','i','c','a','t','i','o','n','/',
 625             'x','-','g','z','i','p','-','c','o','m','p','r','e','s','s','e','d',0};
 626         static const WCHAR wszAppJava[] = {'a','p','p','l','i','c','a','t','i','o','n','/',
 627             'j','a','v','a',0};
 628         static const WCHAR wszAppXMSDownload[] = {'a','p','p','l','i','c','a','t','i','o','n','/',
 629             'x','-','m','s','d','o','w','n','l','o','a','d',0};
 630         static const WCHAR wszTextPlain[] = {'t','e','x','t','/','p','l','a','i','n','\0'};
 631         static const WCHAR wszAppOctetStream[] = {'a','p','p','l','i','c','a','t','i','o','n','/',
 632             'o','c','t','e','t','-','s','t','r','e','a','m','\0'};
 633
 634         static const struct {
 635             LPCWSTR mime;
 636             BOOL (*filter)(const BYTE *,DWORD);
 637         } mime_filters[] = {
 638             {wszTextHtml,       text_html_filter},
 639             {wszTextRichtext,   text_richtext_filter},
 640          /* {wszAudioXAiff,     audio_xaiff_filter}, */
 641             {wszAudioBasic,     audio_basic_filter},
 642             {wszAudioWav,       audio_wav_filter},
 643             {wszImageGif,       image_gif_filter},
 644             {wszImagePjpeg,     image_pjpeg_filter},
 645             {wszImageTiff,      image_tiff_filter},
 646             {wszImageXPng,      image_xpng_filter},
 647          /* {wszImageXBitmap,   image_xbitmap_filter}, */
 648             {wszImageBmp,       image_bmp_filter},
 649          /* {wszImageXJg,       image_xjg_filter}, */
 650          /* {wszImageXEmf,      image_xemf_filter}, */
 651          /* {wszImageXWmf,      image_xwmf_filter}, */
 652             {wszVideoAvi,       video_avi_filter},
 653             {wszVideoMpeg,      video_mpeg_filter},
 654             {wszAppPostscript,  application_postscript_filter},
 655          /* {wszAppBase64,      application_base64_filter}, */
 656          /* {wszAppMacbinhex40, application_macbinhex40_filter}, */
 657             {wszAppPdf,         application_pdf_filter},
 658          /* {wszAppXCompressed, application_xcompressed_filter}, */
 659             {wszAppXZip,        application_xzip_filter},
 660             {wszAppXGzip,       application_xgzip_filter},
 661             {wszAppJava,        application_java_filter},
 662             {wszAppXMSDownload, application_xmsdownload},
 663             {wszTextPlain,      text_plain_filter},
 664             {wszAppOctetStream, application_octet_stream_filter}
 665         };
 666
 667         if(!cbSize)
 668             return E_FAIL;
 669
 670         if(pwzMimeProposed && strcmpW(pwzMimeProposed, wszAppOctetStream)) {
 671             for(i=0; i < sizeof(mime_filters)/sizeof(*mime_filters); i++) {
 672                 if(!strcmpW(pwzMimeProposed, mime_filters[i].mime))
 673                     break;
 674             }
 675
 676             if(i == sizeof(mime_filters)/sizeof(*mime_filters)
 677                     || mime_filters[i].filter(buf, cbSize)) {
 678                 len = strlenW(pwzMimeProposed)+1;
 679                 *ppwzMimeOut = CoTaskMemAlloc(len*sizeof(WCHAR));
 680                 memcpy(*ppwzMimeOut, pwzMimeProposed, len*sizeof(WCHAR));
 681                 return S_OK;
 682             }
 683         }
 684
 685         i=0;
 686         while(!ret) {
 687             if(mime_filters[i].filter(buf, cbSize))
 688                 ret = mime_filters[i].mime;
 689             i++;
 690         }
 691
 692         TRACE("found %s for data\n"
 693               "%02x %02x %02x %02x  %02x %02x %02x %02x  %02x %02x %02x %02x  %02x %02x %02x %02x\n",
 694               debugstr_w(ret), buf[0],buf[1],buf[2],buf[3], buf[4],buf[5],buf[6],buf[7],
 695               buf[8],buf[9],buf[10],buf[11], buf[12],buf[13],buf[14],buf[15]);
 696
 697         if(pwzMimeProposed) {
 698             if(i == sizeof(mime_filters)/sizeof(*mime_filters))
 699                 ret = pwzMimeProposed;
 700
 701             /* text/html is a special case */
 702             if(!strcmpW(pwzMimeProposed, wszTextHtml) && !strcmpW(ret, wszTextPlain))
 703                 ret = wszTextHtml;
 704         }
 705
 706         len = strlenW(ret)+1;
 707         *ppwzMimeOut = CoTaskMemAlloc(len*sizeof(WCHAR));
 708         memcpy(*ppwzMimeOut, ret, len*sizeof(WCHAR));
 709         return S_OK;
 710     }
 711
 712     if(pwzUrl) {
 713         HKEY hkey;
 714         DWORD res, size;
 715         LPCWSTR ptr;
 716         WCHAR mime[64];
 717
 718         static const WCHAR wszContentType[] =
 719                 {'C','o','n','t','e','n','t',' ','T','y','p','e','\0'};
 720
 721         ptr = strrchrW(pwzUrl, '.');
 722         if(!ptr)
 723             return E_FAIL;
 724
 725         res = RegOpenKeyW(HKEY_CLASSES_ROOT, ptr, &hkey);
 726         if(res != ERROR_SUCCESS)
 727             return HRESULT_FROM_WIN32(res);
 728
 729         size = sizeof(mime);
 730         res = RegQueryValueExW(hkey, wszContentType, NULL, NULL, (LPBYTE)mime, &size);
 731         RegCloseKey(hkey);
 732         if(res != ERROR_SUCCESS)
 733             return HRESULT_FROM_WIN32(res);
 734
 735         *ppwzMimeOut = CoTaskMemAlloc(size);
 736         memcpy(*ppwzMimeOut, mime, size);
 737         return S_OK;
 738     }
 739
 740     return E_FAIL;
 741 }
 742
 743 /***********************************************************************
 744  *           GetClassFileOrMime (URLMON.@)
 745  *
 746  * Determines the class ID from the bind context, file name or MIME type.
 747  */
 748 HRESULT WINAPI GetClassFileOrMime(LPBC pBC, LPCWSTR pszFilename,
 749         LPVOID pBuffer, DWORD cbBuffer, LPCWSTR pszMimeType, DWORD dwReserved,
 750         CLSID *pclsid)
 751 {
 752     FIXME("(%p, %s, %p, %d, %p, 0x%08x, %p): stub\n", pBC,
 753         debugstr_w(pszFilename), pBuffer, cbBuffer, debugstr_w(pszMimeType),
 754         dwReserved, pclsid);
 755     return E_NOTIMPL;
 756 }
 757
 758 /***********************************************************************
 759  * Extract (URLMON.@)
 760  */
 761 HRESULT WINAPI Extract(void *dest, LPCSTR szCabName)
 762 {
 763     HRESULT (WINAPI *pExtract)(void *, LPCSTR);
 764
 765     if (!hCabinet)
 766         hCabinet = LoadLibraryA("cabinet.dll");
 767
 768     if (!hCabinet) return HRESULT_FROM_WIN32(GetLastError());
 769     pExtract = (void *)GetProcAddress(hCabinet, "Extract");
 770     if (!pExtract) return HRESULT_FROM_WIN32(GetLastError());
 771
 772     return pExtract(dest, szCabName);
 773 }
 774
 775 /***********************************************************************
 776  *           IsLoggingEnabledA (URLMON.@)
 777  */
 778 BOOL WINAPI IsLoggingEnabledA(LPCSTR url)
 779 {
 780     FIXME("(%s)\n", debugstr_a(url));
 781     return FALSE;
 782 }
 783
 784 /***********************************************************************
 785  *           IsLoggingEnabledW (URLMON.@)
 786  */
 787 BOOL WINAPI IsLoggingEnabledW(LPCWSTR url)
 788 {
 789     FIXME("(%s)\n", debugstr_w(url));
 790     return FALSE;
 791 }