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 static const ClassFactory StdURLMonikerCF =
 189     { &ClassFactoryVtbl, StdURLMoniker_Construct};
 190
 191 struct object_creation_info
 192 {
 193     const CLSID *clsid;
 194     IClassFactory *cf;
 195     LPCWSTR protocol;
 196 };
 197
 198 static const WCHAR wszFile[] = {'f','i','l','e',0};
 199 static const WCHAR wszFtp[]  = {'f','t','p',0};
 200 static const WCHAR wszGopher[]  = {'g','o','p','h','e','r',0};
 201 static const WCHAR wszHttp[] = {'h','t','t','p',0};
 202 static const WCHAR wszHttps[] = {'h','t','t','p','s',0};
 203 static const WCHAR wszMk[]   = {'m','k',0};
 204
 205 static const struct object_creation_info object_creation[] =
 206 {
 207     { &CLSID_FileProtocol,            CLASSFACTORY(&FileProtocolCF),    wszFile },
 208     { &CLSID_FtpProtocol,             CLASSFACTORY(&FtpProtocolCF),     wszFtp  },
 209     { &CLSID_GopherProtocol,          CLASSFACTORY(&GopherProtocolCF),  wszGopher },
 210     { &CLSID_HttpProtocol,            CLASSFACTORY(&HttpProtocolCF),    wszHttp },
 211     { &CLSID_HttpSProtocol,           CLASSFACTORY(&HttpSProtocolCF),   wszHttps },
 212     { &CLSID_MkProtocol,              CLASSFACTORY(&MkProtocolCF),      wszMk },
 213     { &CLSID_InternetSecurityManager, CLASSFACTORY(&SecurityManagerCF), NULL    },
 214     { &CLSID_InternetZoneManager,     CLASSFACTORY(&ZoneManagerCF),     NULL    },
 215     { &CLSID_StdURLMoniker,           CLASSFACTORY(&StdURLMonikerCF),   NULL    }
 216 };
 217
 218 static void init_session(BOOL init)
 219 {
 220     unsigned int i;
 221
 222     for(i=0; i < sizeof(object_creation)/sizeof(object_creation[0]); i++) {
 223
 224         if(object_creation[i].protocol)
 225             register_urlmon_namespace(object_creation[i].cf, object_creation[i].clsid,
 226                                       object_creation[i].protocol, init);
 227     }
 228 }
 229
 230 /*******************************************************************************
 231  * DllGetClassObject [URLMON.@]
 232  * Retrieves class object from a DLL object
 233  *
 234  * NOTES
 235  *    Docs say returns STDAPI
 236  *
 237  * PARAMS
 238  *    rclsid [I] CLSID for the class object
 239  *    riid   [I] Reference to identifier of interface for class object
 240  *    ppv    [O] Address of variable to receive interface pointer for riid
 241  *
 242  * RETURNS
 243  *    Success: S_OK
 244  *    Failure: CLASS_E_CLASSNOTAVAILABLE, E_OUTOFMEMORY, E_INVALIDARG,
 245  *             E_UNEXPECTED
 246  */
 247
 248 HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv)
 249 {
 250     unsigned int i;
 251
 252     TRACE("(%s,%s,%p)\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 253
 254     for (i=0; i < sizeof(object_creation)/sizeof(object_creation[0]); i++)
 255     {
 256         if (IsEqualGUID(object_creation[i].clsid, rclsid))
 257             return IClassFactory_QueryInterface(object_creation[i].cf, riid, ppv);
 258     }
 259
 260     FIXME("%s: no class found.\n", debugstr_guid(rclsid));
 261     return CLASS_E_CLASSNOTAVAILABLE;
 262 }
 263
 264
 265 /***********************************************************************
 266  *              DllRegisterServerEx (URLMON.@)
 267  */
 268 HRESULT WINAPI DllRegisterServerEx(void)
 269 {
 270     FIXME("(void): stub\n");
 271
 272     return E_FAIL;
 273 }
 274
 275 /**************************************************************************
 276  *                 UrlMkSetSessionOption (URLMON.@)
 277  */
 278 HRESULT WINAPI UrlMkSetSessionOption(DWORD dwOption, LPVOID pBuffer, DWORD dwBufferLength,
 279                                         DWORD Reserved)
 280 {
 281     FIXME("(%#x, %p, %#x): stub\n", dwOption, pBuffer, dwBufferLength);
 282
 283     return S_OK;
 284 }
 285
 286 static const CHAR Agent[] = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0)";
 287
 288 /**************************************************************************
 289  *                 ObtainUserAgentString (URLMON.@)
 290  */
 291 HRESULT WINAPI ObtainUserAgentString(DWORD dwOption, LPSTR pcszUAOut, DWORD *cbSize)
 292 {
 293     FIXME("(%d, %p, %p): stub\n", dwOption, pcszUAOut, cbSize);
 294
 295     if (pcszUAOut == NULL || cbSize == NULL)
 296         return E_INVALIDARG;
 297
 298     if (*cbSize < sizeof(Agent))
 299     {
 300         *cbSize = sizeof(Agent);
 301         return E_OUTOFMEMORY;
 302     }
 303
 304     if (sizeof(Agent) < *cbSize)
 305         *cbSize = sizeof(Agent);
 306     lstrcpynA(pcszUAOut, Agent, *cbSize);
 307
 308     return S_OK;
 309 }
 310
 311 /**************************************************************************
 312  *                 IsValidURL (URLMON.@)
 313  *
 314  * Determines if a specified string is a valid URL.
 315  *
 316  * PARAMS
 317  *  pBC        [I] ignored, must be NULL.
 318  *  szURL      [I] string that represents the URL in question.
 319  *  dwReserved [I] reserved and must be zero.
 320  *
 321  * RETURNS
 322  *  Success: S_OK.
 323  *  Failure: S_FALSE.
 324  *  returns E_INVALIDARG if one or more of the args is invalid.
 325  *
 326  * TODO:
 327  *  test functionality against windows to see what a valid URL is.
 328  */
 329 HRESULT WINAPI IsValidURL(LPBC pBC, LPCWSTR szURL, DWORD dwReserved)
 330 {
 331     FIXME("(%p, %s, %d): stub\n", pBC, debugstr_w(szURL), dwReserved);
 332
 333     if (pBC != NULL || dwReserved != 0)
 334         return E_INVALIDARG;
 335
 336     return S_OK;
 337 }
 338
 339 /**************************************************************************
 340  *                 FaultInIEFeature (URLMON.@)
 341  *
 342  *  Undocumented.  Appears to be used by native shdocvw.dll.
 343  */
 344 HRESULT WINAPI FaultInIEFeature( HWND hwnd, uCLSSPEC * pClassSpec,
 345                                  QUERYCONTEXT *pQuery, DWORD flags )
 346 {
 347     FIXME("%p %p %p %08x\n", hwnd, pClassSpec, pQuery, flags);
 348     return E_NOTIMPL;
 349 }
 350
 351 /**************************************************************************
 352  *                 CoGetClassObjectFromURL (URLMON.@)
 353  */
 354 HRESULT WINAPI CoGetClassObjectFromURL( REFCLSID rclsid, LPCWSTR szCodeURL, DWORD dwFileVersionMS,
 355                                         DWORD dwFileVersionLS, LPCWSTR szContentType,
 356                                         LPBINDCTX pBindCtx, DWORD dwClsContext, LPVOID pvReserved,
 357                                         REFIID riid, LPVOID *ppv )
 358 {
 359     FIXME("(%s %s %d %d %s %p %d %p %s %p) Stub!\n", debugstr_guid(rclsid), debugstr_w(szCodeURL),
 360         dwFileVersionMS, dwFileVersionLS, debugstr_w(szContentType), pBindCtx, dwClsContext, pvReserved,
 361         debugstr_guid(riid), ppv);
 362     return E_NOINTERFACE;
 363 }
 364
 365 /***********************************************************************
 366  *           ReleaseBindInfo (URLMON.@)
 367  *
 368  * Release the resources used by the specified BINDINFO structure.
 369  *
 370  * PARAMS
 371  *  pbindinfo [I] BINDINFO to release.
 372  *
 373  * RETURNS
 374  *  Nothing.
 375  */
 376 void WINAPI ReleaseBindInfo(BINDINFO* pbindinfo)
 377 {
 378     DWORD size;
 379
 380     TRACE("(%p)\n", pbindinfo);
 381
 382     if(!pbindinfo || !(size = pbindinfo->cbSize))
 383         return;
 384
 385     CoTaskMemFree(pbindinfo->szExtraInfo);
 386     ReleaseStgMedium(&pbindinfo->stgmedData);
 387
 388     if(offsetof(BINDINFO, szExtraInfo) < size)
 389         CoTaskMemFree(pbindinfo->szCustomVerb);
 390
 391     if(pbindinfo->pUnk && offsetof(BINDINFO, pUnk) < size)
 392         IUnknown_Release(pbindinfo->pUnk);
 393
 394     memset(pbindinfo, 0, size);
 395     pbindinfo->cbSize = size;
 396 }
 397
 398 /***********************************************************************
 399  *           CopyStgMedium (URLMON.@)
 400  */
 401 HRESULT WINAPI CopyStgMedium(const STGMEDIUM *src, STGMEDIUM *dst)
 402 {
 403     TRACE("(%p %p)\n", src, dst);
 404
 405     if(!src || !dst)
 406         return E_POINTER;
 407
 408     *dst = *src;
 409
 410     switch(dst->tymed) {
 411     case TYMED_NULL:
 412         break;
 413     case TYMED_FILE:
 414         if(src->u.lpszFileName && !src->pUnkForRelease) {
 415             DWORD size = (strlenW(src->u.lpszFileName)+1)*sizeof(WCHAR);
 416             dst->u.lpszFileName = CoTaskMemAlloc(size);
 417             memcpy(dst->u.lpszFileName, src->u.lpszFileName, size);
 418         }
 419         break;
 420     case TYMED_ISTREAM:
 421         if(dst->u.pstm)
 422             IStream_AddRef(dst->u.pstm);
 423         break;
 424     case TYMED_ISTORAGE:
 425         if(dst->u.pstg)
 426             IStorage_AddRef(dst->u.pstg);
 427         break;
 428     default:
 429         FIXME("Unimplemented tymed %d\n", src->tymed);
 430     }
 431
 432     if(dst->pUnkForRelease)
 433         IUnknown_AddRef(dst->pUnkForRelease);
 434
 435     return S_OK;
 436 }
 437
 438 static BOOL text_richtext_filter(const BYTE *b, DWORD size)
 439 {
 440     return size > 5 && !memcmp(b, "{\\rtf", 5);
 441 }
 442
 443 static BOOL text_html_filter(const BYTE *b, DWORD size)
 444 {
 445     DWORD i;
 446
 447     if(size < 5)
 448         return FALSE;
 449
 450     for(i=0; i < size-5; i++) {
 451         if(b[i] == '<'
 452            && (b[i+1] == 'h' || b[i+1] == 'H')
 453            && (b[i+2] == 't' || b[i+2] == 'T')
 454            && (b[i+3] == 'm' || b[i+3] == 'M')
 455            && (b[i+4] == 'l' || b[i+4] == 'L'))
 456             return TRUE;
 457     }
 458
 459     return FALSE;
 460 }
 461
 462 static BOOL audio_basic_filter(const BYTE *b, DWORD size)
 463 {
 464     return size > 4
 465         && b[0] == '.' && b[1] == 's' && b[2] == 'n' && b[3] == 'd';
 466 }
 467
 468 static BOOL audio_wav_filter(const BYTE *b, DWORD size)
 469 {
 470     return size > 12
 471         && b[0] == 'R' && b[1] == 'I' && b[2] == 'F' && b[3] == 'F'
 472         && b[8] == 'W' && b[9] == 'A' && b[10] == 'V' && b[11] == 'E';
 473 }
 474
 475 static BOOL image_gif_filter(const BYTE *b, DWORD size)
 476 {
 477     return size >= 6
 478         && (b[0] == 'G' || b[0] == 'g')
 479         && (b[1] == 'I' || b[1] == 'i')
 480         && (b[2] == 'F' || b[2] == 'f')
 481         &&  b[3] == '8'
 482         && (b[4] == '7' || b[4] == '9')
 483         && (b[5] == 'A' || b[5] == 'a');
 484 }
 485
 486 static BOOL image_pjpeg_filter(const BYTE *b, DWORD size)
 487 {
 488     return size > 2 && b[0] == 0xff && b[1] == 0xd8;
 489 }
 490
 491 static BOOL image_tiff_filter(const BYTE *b, DWORD size)
 492 {
 493     return size > 2 && b[0] == 0x4d && b[1] == 0x4d;
 494 }
 495
 496 static BOOL image_xpng_filter(const BYTE *b, DWORD size)
 497 {
 498     static const BYTE xpng_header[] = {0x89,'P','N','G',0x0d,0x0a,0x1a,0x0a};
 499     return size > sizeof(xpng_header) && !memcmp(b, xpng_header, sizeof(xpng_header));
 500 }
 501
 502 static BOOL image_bmp_filter(const BYTE *b, DWORD size)
 503 {
 504     return size >= 14
 505         && b[0] == 0x42 && b[1] == 0x4d
 506         && *(const DWORD *)(b+6) == 0;
 507 }
 508
 509 static BOOL video_avi_filter(const BYTE *b, DWORD size)
 510 {
 511     return size > 12
 512         && b[0] == 'R' && b[1] == 'I' && b[2] == 'F' && b[3] == 'F'
 513         && b[8] == 'A' && b[9] == 'V' && b[10] == 'I' && b[11] == 0x20;
 514 }
 515
 516 static BOOL video_mpeg_filter(const BYTE *b, DWORD size)
 517 {
 518     return size > 4
 519         && !b[0] && !b[1] && b[2] == 0x01
 520         && (b[3] == 0xb3 || b[3] == 0xba);
 521 }
 522
 523 static BOOL application_postscript_filter(const BYTE *b, DWORD size)
 524 {
 525     return size > 2 && b[0] == '%' && b[1] == '!';
 526 }
 527
 528 static BOOL application_pdf_filter(const BYTE *b, DWORD size)
 529 {
 530     return size > 4 && b[0] == 0x25 && b[1] == 0x50 && b[2] == 0x44 && b[3] == 0x46;
 531 }
 532
 533 static BOOL application_xzip_filter(const BYTE *b, DWORD size)
 534 {
 535     return size > 2 && b[0] == 0x50 && b[1] == 0x4b;
 536 }
 537
 538 static BOOL application_xgzip_filter(const BYTE *b, DWORD size)
 539 {
 540     return size > 2 && b[0] == 0x1f && b[1] == 0x8b;
 541 }
 542
 543 static BOOL application_java_filter(const BYTE *b, DWORD size)
 544 {
 545     return size > 4 && b[0] == 0xca && b[1] == 0xfe && b[2] == 0xba && b[3] == 0xbe;
 546 }
 547
 548 static BOOL application_xmsdownload(const BYTE *b, DWORD size)
 549 {
 550     return size > 2 && b[0] == 'M' && b[1] == 'Z';
 551 }
 552
 553 static BOOL text_plain_filter(const BYTE *b, DWORD size)
 554 {
 555     const BYTE *ptr;
 556
 557     for(ptr = b; ptr < b+size-1; ptr++) {
 558         if(*ptr < 0x20 && *ptr != '\n' && *ptr != '\r' && *ptr != '\t')
 559             return FALSE;
 560     }
 561
 562     return TRUE;
 563 }
 564
 565 static BOOL application_octet_stream_filter(const BYTE *b, DWORD size)
 566 {
 567     return TRUE;
 568 }
 569
 570 /***********************************************************************
 571  *           FindMimeFromData (URLMON.@)
 572  *
 573  * Determines the Multipurpose Internet Mail Extensions (MIME) type from the data provided.
 574  */
 575 HRESULT WINAPI FindMimeFromData(LPBC pBC, LPCWSTR pwzUrl, LPVOID pBuffer,
 576         DWORD cbSize, LPCWSTR pwzMimeProposed, DWORD dwMimeFlags,
 577         LPWSTR* ppwzMimeOut, DWORD dwReserved)
 578 {
 579     TRACE("(%p,%s,%p,%d,%s,0x%x,%p,0x%x)\n", pBC, debugstr_w(pwzUrl), pBuffer, cbSize,
 580             debugstr_w(pwzMimeProposed), dwMimeFlags, ppwzMimeOut, dwReserved);
 581
 582     if(dwMimeFlags)
 583         WARN("dwMimeFlags=%08x\n", dwMimeFlags);
 584     if(dwReserved)
 585         WARN("dwReserved=%d\n", dwReserved);
 586
 587     /* pBC seams to not be used */
 588
 589     if(!ppwzMimeOut || (!pwzUrl && !pBuffer))
 590         return E_INVALIDARG;
 591
 592     if(pwzMimeProposed && (!pBuffer || (pBuffer && !cbSize))) {
 593         DWORD len;
 594
 595         if(!pwzMimeProposed)
 596             return E_FAIL;
 597
 598         len = strlenW(pwzMimeProposed)+1;
 599         *ppwzMimeOut = CoTaskMemAlloc(len*sizeof(WCHAR));
 600         memcpy(*ppwzMimeOut, pwzMimeProposed, len*sizeof(WCHAR));
 601         return S_OK;
 602     }
 603
 604     if(pBuffer) {
 605         const BYTE *buf = pBuffer;
 606         DWORD len;
 607         LPCWSTR ret = NULL;
 608         unsigned int i;
 609
 610         static const WCHAR wszTextHtml[] = {'t','e','x','t','/','h','t','m','l',0};
 611         static const WCHAR wszTextRichtext[] = {'t','e','x','t','/','r','i','c','h','t','e','x','t',0};
 612         static const WCHAR wszAudioBasic[] = {'a','u','d','i','o','/','b','a','s','i','c',0};
 613         static const WCHAR wszAudioWav[] = {'a','u','d','i','o','/','w','a','v',0};
 614         static const WCHAR wszImageGif[] = {'i','m','a','g','e','/','g','i','f',0};
 615         static const WCHAR wszImagePjpeg[] = {'i','m','a','g','e','/','p','j','p','e','g',0};
 616         static const WCHAR wszImageTiff[] = {'i','m','a','g','e','/','t','i','f','f',0};
 617         static const WCHAR wszImageXPng[] = {'i','m','a','g','e','/','x','-','p','n','g',0};
 618         static const WCHAR wszImageBmp[] = {'i','m','a','g','e','/','b','m','p',0};
 619         static const WCHAR wszVideoAvi[] = {'v','i','d','e','o','/','a','v','i',0};
 620         static const WCHAR wszVideoMpeg[] = {'v','i','d','e','o','/','m','p','e','g',0};
 621         static const WCHAR wszAppPostscript[] =
 622             {'a','p','p','l','i','c','a','t','i','o','n','/','p','o','s','t','s','c','r','i','p','t',0};
 623         static const WCHAR wszAppPdf[] = {'a','p','p','l','i','c','a','t','i','o','n','/',
 624             'p','d','f',0};
 625         static const WCHAR wszAppXZip[] = {'a','p','p','l','i','c','a','t','i','o','n','/',
 626             'x','-','z','i','p','-','c','o','m','p','r','e','s','s','e','d',0};
 627         static const WCHAR wszAppXGzip[] = {'a','p','p','l','i','c','a','t','i','o','n','/',
 628             'x','-','g','z','i','p','-','c','o','m','p','r','e','s','s','e','d',0};
 629         static const WCHAR wszAppJava[] = {'a','p','p','l','i','c','a','t','i','o','n','/',
 630             'j','a','v','a',0};
 631         static const WCHAR wszAppXMSDownload[] = {'a','p','p','l','i','c','a','t','i','o','n','/',
 632             'x','-','m','s','d','o','w','n','l','o','a','d',0};
 633         static const WCHAR wszTextPlain[] = {'t','e','x','t','/','p','l','a','i','n','\0'};
 634         static const WCHAR wszAppOctetStream[] = {'a','p','p','l','i','c','a','t','i','o','n','/',
 635             'o','c','t','e','t','-','s','t','r','e','a','m','\0'};
 636
 637         static const struct {
 638             LPCWSTR mime;
 639             BOOL (*filter)(const BYTE *,DWORD);
 640         } mime_filters[] = {
 641             {wszTextHtml,       text_html_filter},
 642             {wszTextRichtext,   text_richtext_filter},
 643          /* {wszAudioXAiff,     audio_xaiff_filter}, */
 644             {wszAudioBasic,     audio_basic_filter},
 645             {wszAudioWav,       audio_wav_filter},
 646             {wszImageGif,       image_gif_filter},
 647             {wszImagePjpeg,     image_pjpeg_filter},
 648             {wszImageTiff,      image_tiff_filter},
 649             {wszImageXPng,      image_xpng_filter},
 650          /* {wszImageXBitmap,   image_xbitmap_filter}, */
 651             {wszImageBmp,       image_bmp_filter},
 652          /* {wszImageXJg,       image_xjg_filter}, */
 653          /* {wszImageXEmf,      image_xemf_filter}, */
 654          /* {wszImageXWmf,      image_xwmf_filter}, */
 655             {wszVideoAvi,       video_avi_filter},
 656             {wszVideoMpeg,      video_mpeg_filter},
 657             {wszAppPostscript,  application_postscript_filter},
 658          /* {wszAppBase64,      application_base64_filter}, */
 659          /* {wszAppMacbinhex40, application_macbinhex40_filter}, */
 660             {wszAppPdf,         application_pdf_filter},
 661          /* {wszAppXCompressed, application_xcompressed_filter}, */
 662             {wszAppXZip,        application_xzip_filter},
 663             {wszAppXGzip,       application_xgzip_filter},
 664             {wszAppJava,        application_java_filter},
 665             {wszAppXMSDownload, application_xmsdownload},
 666             {wszTextPlain,      text_plain_filter},
 667             {wszAppOctetStream, application_octet_stream_filter}
 668         };
 669
 670         if(!cbSize)
 671             return E_FAIL;
 672
 673         if(pwzMimeProposed && strcmpW(pwzMimeProposed, wszAppOctetStream)) {
 674             for(i=0; i < sizeof(mime_filters)/sizeof(*mime_filters); i++) {
 675                 if(!strcmpW(pwzMimeProposed, mime_filters[i].mime))
 676                     break;
 677             }
 678
 679             if(i == sizeof(mime_filters)/sizeof(*mime_filters)
 680                     || mime_filters[i].filter(buf, cbSize)) {
 681                 len = strlenW(pwzMimeProposed)+1;
 682                 *ppwzMimeOut = CoTaskMemAlloc(len*sizeof(WCHAR));
 683                 memcpy(*ppwzMimeOut, pwzMimeProposed, len*sizeof(WCHAR));
 684                 return S_OK;
 685             }
 686         }
 687
 688         i=0;
 689         while(!ret) {
 690             if(mime_filters[i].filter(buf, cbSize))
 691                 ret = mime_filters[i].mime;
 692             i++;
 693         }
 694
 695         TRACE("found %s for data\n"
 696               "%02x %02x %02x %02x  %02x %02x %02x %02x  %02x %02x %02x %02x  %02x %02x %02x %02x\n",
 697               debugstr_w(ret), buf[0],buf[1],buf[2],buf[3], buf[4],buf[5],buf[6],buf[7],
 698               buf[8],buf[9],buf[10],buf[11], buf[12],buf[13],buf[14],buf[15]);
 699
 700         if(pwzMimeProposed) {
 701             if(i == sizeof(mime_filters)/sizeof(*mime_filters))
 702                 ret = pwzMimeProposed;
 703
 704             /* text/html is a special case */
 705             if(!strcmpW(pwzMimeProposed, wszTextHtml) && !strcmpW(ret, wszTextPlain))
 706                 ret = wszTextHtml;
 707         }
 708
 709         len = strlenW(ret)+1;
 710         *ppwzMimeOut = CoTaskMemAlloc(len*sizeof(WCHAR));
 711         memcpy(*ppwzMimeOut, ret, len*sizeof(WCHAR));
 712         return S_OK;
 713     }
 714
 715     if(pwzUrl) {
 716         HKEY hkey;
 717         DWORD res, size;
 718         LPCWSTR ptr;
 719         WCHAR mime[64];
 720
 721         static const WCHAR wszContentType[] =
 722                 {'C','o','n','t','e','n','t',' ','T','y','p','e','\0'};
 723
 724         ptr = strrchrW(pwzUrl, '.');
 725         if(!ptr)
 726             return E_FAIL;
 727
 728         res = RegOpenKeyW(HKEY_CLASSES_ROOT, ptr, &hkey);
 729         if(res != ERROR_SUCCESS)
 730             return HRESULT_FROM_WIN32(res);
 731
 732         size = sizeof(mime);
 733         res = RegQueryValueExW(hkey, wszContentType, NULL, NULL, (LPBYTE)mime, &size);
 734         RegCloseKey(hkey);
 735         if(res != ERROR_SUCCESS)
 736             return HRESULT_FROM_WIN32(res);
 737
 738         *ppwzMimeOut = CoTaskMemAlloc(size);
 739         memcpy(*ppwzMimeOut, mime, size);
 740         return S_OK;
 741     }
 742
 743     return E_FAIL;
 744 }
 745
 746 /***********************************************************************
 747  *           GetClassFileOrMime (URLMON.@)
 748  *
 749  * Determines the class ID from the bind context, file name or MIME type.
 750  */
 751 HRESULT WINAPI GetClassFileOrMime(LPBC pBC, LPCWSTR pszFilename,
 752         LPVOID pBuffer, DWORD cbBuffer, LPCWSTR pszMimeType, DWORD dwReserved,
 753         CLSID *pclsid)
 754 {
 755     FIXME("(%p, %s, %p, %d, %p, 0x%08x, %p): stub\n", pBC,
 756         debugstr_w(pszFilename), pBuffer, cbBuffer, debugstr_w(pszMimeType),
 757         dwReserved, pclsid);
 758     return E_NOTIMPL;
 759 }
 760
 761 /***********************************************************************
 762  * Extract (URLMON.@)
 763  */
 764 HRESULT WINAPI Extract(void *dest, LPCSTR szCabName)
 765 {
 766     HRESULT (WINAPI *pExtract)(void *, LPCSTR);
 767
 768     if (!hCabinet)
 769         hCabinet = LoadLibraryA("cabinet.dll");
 770
 771     if (!hCabinet) return HRESULT_FROM_WIN32(GetLastError());
 772     pExtract = (void *)GetProcAddress(hCabinet, "Extract");
 773     if (!pExtract) return HRESULT_FROM_WIN32(GetLastError());
 774
 775     return pExtract(dest, szCabName);
 776 }
 777
 778 /***********************************************************************
 779  *           IsLoggingEnabledA (URLMON.@)
 780  */
 781 BOOL WINAPI IsLoggingEnabledA(LPCSTR url)
 782 {
 783     FIXME("(%s)\n", debugstr_a(url));
 784     return FALSE;
 785 }
 786
 787 /***********************************************************************
 788  *           IsLoggingEnabledW (URLMON.@)
 789  */
 790 BOOL WINAPI IsLoggingEnabledW(LPCWSTR url)
 791 {
 792     FIXME("(%s)\n", debugstr_w(url));
 793     return FALSE;
 794 }