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