dlls/urlmon/file.c

   1 /*
   2  * Copyright 2005 Jacek Caban
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  17  */
  18
  19 #include "urlmon_main.h"
  20 #include "wine/debug.h"
  21
  22 WINE_DEFAULT_DEBUG_CHANNEL(urlmon);
  23
  24 typedef struct {
  25     const IInternetProtocolVtbl  *lpInternetProtocolVtbl;
  26     const IInternetPriorityVtbl  *lpInternetPriorityVtbl;
  27
  28     HANDLE file;
  29     LONG priority;
  30
  31     LONG ref;
  32 } FileProtocol;
  33
  34 #define PROTOCOL(x)  ((IInternetProtocol*)  &(x)->lpInternetProtocolVtbl)
  35 #define PRIORITY(x)  ((IInternetPriority*)  &(x)->lpInternetPriorityVtbl)
  36
  37 #define PROTOCOL_THIS(iface) DEFINE_THIS(FileProtocol, InternetProtocol, iface)
  38
  39 static HRESULT WINAPI FileProtocol_QueryInterface(IInternetProtocol *iface, REFIID riid, void **ppv)
  40 {
  41     FileProtocol *This = PROTOCOL_THIS(iface);
  42
  43     *ppv = NULL;
  44     if(IsEqualGUID(&IID_IUnknown, riid)) {
  45         TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv);
  46         *ppv = PROTOCOL(This);
  47     }else if(IsEqualGUID(&IID_IInternetProtocolRoot, riid)) {
  48         TRACE("(%p)->(IID_IInternetProtocolRoot %p)\n", This, ppv);
  49         *ppv = PROTOCOL(This);
  50     }else if(IsEqualGUID(&IID_IInternetProtocol, riid)) {
  51         TRACE("(%p)->(IID_IInternetProtocol %p)\n", This, ppv);
  52         *ppv = PROTOCOL(This);
  53     }else if(IsEqualGUID(&IID_IInternetPriority, riid)) {
  54         TRACE("(%p)->(IID_IInternetPriority %p)\n", This, ppv);
  55         *ppv = PRIORITY(This);
  56     }
  57
  58     if(*ppv) {
  59         IInternetProtocol_AddRef(iface);
  60         return S_OK;
  61     }
  62
  63     WARN("not supported interface %s\n", debugstr_guid(riid));
  64     return E_NOINTERFACE;
  65 }
  66
  67 static ULONG WINAPI FileProtocol_AddRef(IInternetProtocol *iface)
  68 {
  69     FileProtocol *This = PROTOCOL_THIS(iface);
  70     LONG ref = InterlockedIncrement(&This->ref);
  71     TRACE("(%p) ref=%d\n", This, ref);
  72     return ref;
  73 }
  74
  75 static ULONG WINAPI FileProtocol_Release(IInternetProtocol *iface)
  76 {
  77     FileProtocol *This = PROTOCOL_THIS(iface);
  78     LONG ref = InterlockedDecrement(&This->ref);
  79
  80     TRACE("(%p) ref=%d\n", This, ref);
  81
  82     if(!ref) {
  83         if(This->file)
  84             CloseHandle(This->file);
  85         heap_free(This);
  86
  87         URLMON_UnlockModule();
  88     }
  89
  90     return ref;
  91 }
  92
  93 static HRESULT WINAPI FileProtocol_Start(IInternetProtocol *iface, LPCWSTR szUrl,
  94         IInternetProtocolSink *pOIProtSink, IInternetBindInfo *pOIBindInfo,
  95         DWORD grfPI, DWORD dwReserved)
  96 {
  97     FileProtocol *This = PROTOCOL_THIS(iface);
  98     BINDINFO bindinfo;
  99     DWORD grfBINDF = 0;
 100     LARGE_INTEGER size;
 101     DWORD len;
 102     LPWSTR url, mime = NULL, file_name;
 103     WCHAR null_char = 0;
 104     BOOL first_call = FALSE;
 105     HRESULT hres;
 106
 107     static const WCHAR wszFile[]  = {'f','i','l','e',':'};
 108
 109     TRACE("(%p)->(%s %p %p %08x %d)\n", This, debugstr_w(szUrl), pOIProtSink,
 110             pOIBindInfo, grfPI, dwReserved);
 111
 112     memset(&bindinfo, 0, sizeof(bindinfo));
 113     bindinfo.cbSize = sizeof(BINDINFO);
 114     hres = IInternetBindInfo_GetBindInfo(pOIBindInfo, &grfBINDF, &bindinfo);
 115     if(FAILED(hres)) {
 116         WARN("GetBindInfo failed: %08x\n", hres);
 117         return hres;
 118     }
 119
 120     ReleaseBindInfo(&bindinfo);
 121
 122     if(!szUrl || !*szUrl)
 123         return E_INVALIDARG;
 124
 125     if(lstrlenW(szUrl) < sizeof(wszFile)/sizeof(WCHAR)
 126             || memcmp(szUrl, wszFile, sizeof(wszFile)))
 127         return MK_E_SYNTAX;
 128
 129     len = lstrlenW(szUrl)+16;
 130     url = heap_alloc(len*sizeof(WCHAR));
 131     hres = CoInternetParseUrl(szUrl, PARSE_ENCODE, 0, url, len, &len, 0);
 132     if(FAILED(hres)) {
 133         heap_free(url);
 134         return hres;
 135     }
 136
 137     if(!(grfBINDF & BINDF_FROMURLMON))
 138         IInternetProtocolSink_ReportProgress(pOIProtSink, BINDSTATUS_DIRECTBIND, NULL);
 139
 140     if(!This->file) {
 141         WCHAR *ptr;
 142
 143         first_call = TRUE;
 144
 145         IInternetProtocolSink_ReportProgress(pOIProtSink, BINDSTATUS_SENDINGREQUEST, &null_char);
 146
 147         file_name = url+sizeof(wszFile)/sizeof(WCHAR);
 148         if(file_name[0] == '/' && file_name[1] == '/')
 149             file_name += 2;
 150         if(*file_name == '/')
 151             file_name++;
 152
 153         for(ptr = file_name; *ptr; ptr++) {
 154             if(*ptr == '?' || *ptr == '#') {
 155                 *ptr = 0;
 156                 break;
 157             }
 158         }
 159
 160         if(file_name[1] == '|')
 161             file_name[1] = ':';
 162
 163         This->file = CreateFileW(file_name, GENERIC_READ, FILE_SHARE_READ, NULL,
 164                                  OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
 165
 166         if(This->file == INVALID_HANDLE_VALUE) {
 167             This->file = NULL;
 168             IInternetProtocolSink_ReportResult(pOIProtSink, INET_E_RESOURCE_NOT_FOUND,
 169                     GetLastError(), NULL);
 170             heap_free(url);
 171             return INET_E_RESOURCE_NOT_FOUND;
 172         }
 173
 174         IInternetProtocolSink_ReportProgress(pOIProtSink,
 175                 BINDSTATUS_CACHEFILENAMEAVAILABLE, file_name);
 176
 177         hres = FindMimeFromData(NULL, url, NULL, 0, NULL, 0, &mime, 0);
 178         if(SUCCEEDED(hres)) {
 179             IInternetProtocolSink_ReportProgress(pOIProtSink,
 180                     (grfBINDF & BINDF_FROMURLMON) ?
 181                     BINDSTATUS_VERIFIEDMIMETYPEAVAILABLE : BINDSTATUS_MIMETYPEAVAILABLE,
 182                     mime);
 183             CoTaskMemFree(mime);
 184         }
 185     }
 186
 187     heap_free(url);
 188
 189     if(GetFileSizeEx(This->file, &size))
 190         IInternetProtocolSink_ReportData(pOIProtSink,
 191                 BSCF_FIRSTDATANOTIFICATION|BSCF_LASTDATANOTIFICATION,
 192                 size.u.LowPart, size.u.LowPart);
 193
 194     if(first_call)
 195         IInternetProtocolSink_ReportResult(pOIProtSink, S_OK, 0, NULL);
 196
 197     return S_OK;
 198 }
 199
 200 static HRESULT WINAPI FileProtocol_Continue(IInternetProtocol *iface, PROTOCOLDATA *pProtocolData)
 201 {
 202     FileProtocol *This = PROTOCOL_THIS(iface);
 203     FIXME("(%p)->(%p)\n", This, pProtocolData);
 204     return E_NOTIMPL;
 205 }
 206
 207 static HRESULT WINAPI FileProtocol_Abort(IInternetProtocol *iface, HRESULT hrReason,
 208         DWORD dwOptions)
 209 {
 210     FileProtocol *This = PROTOCOL_THIS(iface);
 211     FIXME("(%p)->(%08x %08x)\n", This, hrReason, dwOptions);
 212     return E_NOTIMPL;
 213 }
 214
 215 static HRESULT WINAPI FileProtocol_Terminate(IInternetProtocol *iface, DWORD dwOptions)
 216 {
 217     FileProtocol *This = PROTOCOL_THIS(iface);
 218
 219     TRACE("(%p)->(%08x)\n", This, dwOptions);
 220
 221     return S_OK;
 222 }
 223
 224 static HRESULT WINAPI FileProtocol_Suspend(IInternetProtocol *iface)
 225 {
 226     FileProtocol *This = PROTOCOL_THIS(iface);
 227     FIXME("(%p)\n", This);
 228     return E_NOTIMPL;
 229 }
 230
 231 static HRESULT WINAPI FileProtocol_Resume(IInternetProtocol *iface)
 232 {
 233     FileProtocol *This = PROTOCOL_THIS(iface);
 234     FIXME("(%p)\n", This);
 235     return E_NOTIMPL;
 236 }
 237
 238 static HRESULT WINAPI FileProtocol_Read(IInternetProtocol *iface, void *pv,
 239         ULONG cb, ULONG *pcbRead)
 240 {
 241     FileProtocol *This = PROTOCOL_THIS(iface);
 242     DWORD read = 0;
 243
 244     TRACE("(%p)->(%p %u %p)\n", This, pv, cb, pcbRead);
 245
 246     if (pcbRead)
 247         *pcbRead = 0;
 248
 249     if(!This->file)
 250         return INET_E_DATA_NOT_AVAILABLE;
 251
 252     if (!ReadFile(This->file, pv, cb, &read, NULL))
 253         return INET_E_DOWNLOAD_FAILURE;
 254
 255     if(pcbRead)
 256         *pcbRead = read;
 257
 258     return cb == read ? S_OK : S_FALSE;
 259 }
 260
 261 static HRESULT WINAPI FileProtocol_Seek(IInternetProtocol *iface, LARGE_INTEGER dlibMove,
 262         DWORD dwOrigin, ULARGE_INTEGER *plibNewPosition)
 263 {
 264     FileProtocol *This = PROTOCOL_THIS(iface);
 265     FIXME("(%p)->(%d %d %p)\n", This, dlibMove.u.LowPart, dwOrigin, plibNewPosition);
 266     return E_NOTIMPL;
 267 }
 268
 269 static HRESULT WINAPI FileProtocol_LockRequest(IInternetProtocol *iface, DWORD dwOptions)
 270 {
 271     FileProtocol *This = PROTOCOL_THIS(iface);
 272
 273     TRACE("(%p)->(%08x)\n", This, dwOptions);
 274
 275     return S_OK;
 276 }
 277
 278 static HRESULT WINAPI FileProtocol_UnlockRequest(IInternetProtocol *iface)
 279 {
 280     FileProtocol *This = PROTOCOL_THIS(iface);
 281
 282     TRACE("(%p)\n", This);
 283
 284     return S_OK;
 285 }
 286
 287 #undef PROTOCOL_THIS
 288
 289 static const IInternetProtocolVtbl FileProtocolVtbl = {
 290     FileProtocol_QueryInterface,
 291     FileProtocol_AddRef,
 292     FileProtocol_Release,
 293     FileProtocol_Start,
 294     FileProtocol_Continue,
 295     FileProtocol_Abort,
 296     FileProtocol_Terminate,
 297     FileProtocol_Suspend,
 298     FileProtocol_Resume,
 299     FileProtocol_Read,
 300     FileProtocol_Seek,
 301     FileProtocol_LockRequest,
 302     FileProtocol_UnlockRequest
 303 };
 304
 305 #define PRIORITY_THIS(iface) DEFINE_THIS(FileProtocol, InternetPriority, iface)
 306
 307 static HRESULT WINAPI FilePriority_QueryInterface(IInternetPriority *iface,
 308                                                   REFIID riid, void **ppv)
 309 {
 310     FileProtocol *This = PRIORITY_THIS(iface);
 311     return IInternetProtocol_QueryInterface(PROTOCOL(This), riid, ppv);
 312 }
 313
 314 static ULONG WINAPI FilePriority_AddRef(IInternetPriority *iface)
 315 {
 316     FileProtocol *This = PRIORITY_THIS(iface);
 317     return IInternetProtocol_AddRef(PROTOCOL(This));
 318 }
 319
 320 static ULONG WINAPI FilePriority_Release(IInternetPriority *iface)
 321 {
 322     FileProtocol *This = PRIORITY_THIS(iface);
 323     return IInternetProtocol_Release(PROTOCOL(This));
 324 }
 325
 326 static HRESULT WINAPI FilePriority_SetPriority(IInternetPriority *iface, LONG nPriority)
 327 {
 328     FileProtocol *This = PRIORITY_THIS(iface);
 329
 330     TRACE("(%p)->(%d)\n", This, nPriority);
 331
 332     This->priority = nPriority;
 333     return S_OK;
 334 }
 335
 336 static HRESULT WINAPI FilePriority_GetPriority(IInternetPriority *iface, LONG *pnPriority)
 337 {
 338     FileProtocol *This = PRIORITY_THIS(iface);
 339
 340     TRACE("(%p)->(%p)\n", This, pnPriority);
 341
 342     *pnPriority = This->priority;
 343     return S_OK;
 344 }
 345
 346 #undef PRIORITY_THIS
 347
 348 static const IInternetPriorityVtbl FilePriorityVtbl = {
 349     FilePriority_QueryInterface,
 350     FilePriority_AddRef,
 351     FilePriority_Release,
 352     FilePriority_SetPriority,
 353     FilePriority_GetPriority
 354 };
 355
 356 HRESULT FileProtocol_Construct(IUnknown *pUnkOuter, LPVOID *ppobj)
 357 {
 358     FileProtocol *ret;
 359
 360     TRACE("(%p %p)\n", pUnkOuter, ppobj);
 361
 362     URLMON_LockModule();
 363
 364     ret = heap_alloc(sizeof(FileProtocol));
 365
 366     ret->lpInternetProtocolVtbl = &FileProtocolVtbl;
 367     ret->lpInternetPriorityVtbl = &FilePriorityVtbl;
 368     ret->file = NULL;
 369     ret->priority = 0;
 370     ret->ref = 1;
 371
 372     *ppobj = PROTOCOL(ret);
 373
 374     return S_OK;
 375 }