dll/win32/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
  21 typedef struct {
  22     IInternetProtocolEx IInternetProtocolEx_iface;
  23     IInternetPriority   IInternetPriority_iface;
  24
  25     HANDLE file;
  26     ULONG size;
  27     LONG priority;
  28
  29     LONG ref;
  30 } FileProtocol;
  31
  32 static inline FileProtocol *impl_from_IInternetProtocolEx(IInternetProtocolEx *iface)
  33 {
  34     return CONTAINING_RECORD(iface, FileProtocol, IInternetProtocolEx_iface);
  35 }
  36
  37 static inline FileProtocol *impl_from_IInternetPriority(IInternetPriority *iface)
  38 {
  39     return CONTAINING_RECORD(iface, FileProtocol, IInternetPriority_iface);
  40 }
  41
  42 static HRESULT WINAPI FileProtocol_QueryInterface(IInternetProtocolEx *iface, REFIID riid, void **ppv)
  43 {
  44     FileProtocol *This = impl_from_IInternetProtocolEx(iface);
  45
  46     *ppv = NULL;
  47     if(IsEqualGUID(&IID_IUnknown, riid)) {
  48         TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv);
  49         *ppv = &This->IInternetProtocolEx_iface;
  50     }else if(IsEqualGUID(&IID_IInternetProtocolRoot, riid)) {
  51         TRACE("(%p)->(IID_IInternetProtocolRoot %p)\n", This, ppv);
  52         *ppv = &This->IInternetProtocolEx_iface;
  53     }else if(IsEqualGUID(&IID_IInternetProtocol, riid)) {
  54         TRACE("(%p)->(IID_IInternetProtocol %p)\n", This, ppv);
  55         *ppv = &This->IInternetProtocolEx_iface;
  56     }else if(IsEqualGUID(&IID_IInternetProtocolEx, riid)) {
  57         TRACE("(%p)->(IID_IInternetProtocolEx %p)\n", This, ppv);
  58         *ppv = &This->IInternetProtocolEx_iface;
  59     }else if(IsEqualGUID(&IID_IInternetPriority, riid)) {
  60         TRACE("(%p)->(IID_IInternetPriority %p)\n", This, ppv);
  61         *ppv = &This->IInternetPriority_iface;
  62     }
  63
  64     if(*ppv) {
  65         IInternetProtocolEx_AddRef(iface);
  66         return S_OK;
  67     }
  68
  69     WARN("not supported interface %s\n", debugstr_guid(riid));
  70     return E_NOINTERFACE;
  71 }
  72
  73 static ULONG WINAPI FileProtocol_AddRef(IInternetProtocolEx *iface)
  74 {
  75     FileProtocol *This = impl_from_IInternetProtocolEx(iface);
  76     LONG ref = InterlockedIncrement(&This->ref);
  77     TRACE("(%p) ref=%d\n", This, ref);
  78     return ref;
  79 }
  80
  81 static ULONG WINAPI FileProtocol_Release(IInternetProtocolEx *iface)
  82 {
  83     FileProtocol *This = impl_from_IInternetProtocolEx(iface);
  84     LONG ref = InterlockedDecrement(&This->ref);
  85
  86     TRACE("(%p) ref=%d\n", This, ref);
  87
  88     if(!ref) {
  89         if(This->file != INVALID_HANDLE_VALUE)
  90             CloseHandle(This->file);
  91         heap_free(This);
  92
  93         URLMON_UnlockModule();
  94     }
  95
  96     return ref;
  97 }
  98
  99 static HRESULT WINAPI FileProtocol_Start(IInternetProtocolEx *iface, LPCWSTR szUrl,
 100         IInternetProtocolSink *pOIProtSink, IInternetBindInfo *pOIBindInfo,
 101         DWORD grfPI, HANDLE_PTR dwReserved)
 102 {
 103     FileProtocol *This = impl_from_IInternetProtocolEx(iface);
 104     IUri *uri;
 105     HRESULT hres;
 106
 107     TRACE("(%p)->(%s %p %p %08x %lx)\n", This, debugstr_w(szUrl), pOIProtSink,
 108             pOIBindInfo, grfPI, dwReserved);
 109
 110     hres = CreateUri(szUrl, Uri_CREATE_FILE_USE_DOS_PATH, 0, &uri);
 111     if(FAILED(hres))
 112         return hres;
 113
 114     hres = IInternetProtocolEx_StartEx(&This->IInternetProtocolEx_iface, uri, pOIProtSink,
 115             pOIBindInfo, grfPI, (HANDLE*)dwReserved);
 116
 117     IUri_Release(uri);
 118     return hres;
 119 }
 120
 121 static HRESULT WINAPI FileProtocol_Continue(IInternetProtocolEx *iface, PROTOCOLDATA *pProtocolData)
 122 {
 123     FileProtocol *This = impl_from_IInternetProtocolEx(iface);
 124     FIXME("(%p)->(%p)\n", This, pProtocolData);
 125     return E_NOTIMPL;
 126 }
 127
 128 static HRESULT WINAPI FileProtocol_Abort(IInternetProtocolEx *iface, HRESULT hrReason,
 129         DWORD dwOptions)
 130 {
 131     FileProtocol *This = impl_from_IInternetProtocolEx(iface);
 132     FIXME("(%p)->(%08x %08x)\n", This, hrReason, dwOptions);
 133     return E_NOTIMPL;
 134 }
 135
 136 static HRESULT WINAPI FileProtocol_Terminate(IInternetProtocolEx *iface, DWORD dwOptions)
 137 {
 138     FileProtocol *This = impl_from_IInternetProtocolEx(iface);
 139
 140     TRACE("(%p)->(%08x)\n", This, dwOptions);
 141
 142     return S_OK;
 143 }
 144
 145 static HRESULT WINAPI FileProtocol_Suspend(IInternetProtocolEx *iface)
 146 {
 147     FileProtocol *This = impl_from_IInternetProtocolEx(iface);
 148     FIXME("(%p)\n", This);
 149     return E_NOTIMPL;
 150 }
 151
 152 static HRESULT WINAPI FileProtocol_Resume(IInternetProtocolEx *iface)
 153 {
 154     FileProtocol *This = impl_from_IInternetProtocolEx(iface);
 155     FIXME("(%p)\n", This);
 156     return E_NOTIMPL;
 157 }
 158
 159 static HRESULT WINAPI FileProtocol_Read(IInternetProtocolEx *iface, void *pv,
 160         ULONG cb, ULONG *pcbRead)
 161 {
 162     FileProtocol *This = impl_from_IInternetProtocolEx(iface);
 163     DWORD read = 0;
 164
 165     TRACE("(%p)->(%p %u %p)\n", This, pv, cb, pcbRead);
 166
 167     if (pcbRead)
 168         *pcbRead = 0;
 169
 170     if(This->file == INVALID_HANDLE_VALUE)
 171         return INET_E_DATA_NOT_AVAILABLE;
 172
 173     if (!ReadFile(This->file, pv, cb, &read, NULL))
 174         return INET_E_DOWNLOAD_FAILURE;
 175
 176     if(pcbRead)
 177         *pcbRead = read;
 178
 179     return cb == read ? S_OK : S_FALSE;
 180 }
 181
 182 static HRESULT WINAPI FileProtocol_Seek(IInternetProtocolEx *iface, LARGE_INTEGER dlibMove,
 183         DWORD dwOrigin, ULARGE_INTEGER *plibNewPosition)
 184 {
 185     FileProtocol *This = impl_from_IInternetProtocolEx(iface);
 186     FIXME("(%p)->(%d %d %p)\n", This, dlibMove.u.LowPart, dwOrigin, plibNewPosition);
 187     return E_NOTIMPL;
 188 }
 189
 190 static HRESULT WINAPI FileProtocol_LockRequest(IInternetProtocolEx *iface, DWORD dwOptions)
 191 {
 192     FileProtocol *This = impl_from_IInternetProtocolEx(iface);
 193
 194     TRACE("(%p)->(%08x)\n", This, dwOptions);
 195
 196     return S_OK;
 197 }
 198
 199 static HRESULT WINAPI FileProtocol_UnlockRequest(IInternetProtocolEx *iface)
 200 {
 201     FileProtocol *This = impl_from_IInternetProtocolEx(iface);
 202
 203     TRACE("(%p)\n", This);
 204
 205     return S_OK;
 206 }
 207
 208 static inline HRESULT report_result(IInternetProtocolSink *protocol_sink, HRESULT hres, DWORD res)
 209 {
 210     IInternetProtocolSink_ReportResult(protocol_sink, hres, res, NULL);
 211     return hres;
 212 }
 213
 214 static HRESULT open_file(FileProtocol *This, const WCHAR *path, IInternetProtocolSink *protocol_sink)
 215 {
 216     LARGE_INTEGER size;
 217     HANDLE file;
 218
 219     file = CreateFileW(path, GENERIC_READ, FILE_SHARE_READ, NULL,
 220             OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
 221     if(file == INVALID_HANDLE_VALUE)
 222         return report_result(protocol_sink, INET_E_RESOURCE_NOT_FOUND, GetLastError());
 223
 224     if(!GetFileSizeEx(file, &size)) {
 225         CloseHandle(file);
 226         return report_result(protocol_sink, INET_E_RESOURCE_NOT_FOUND, GetLastError());
 227     }
 228
 229     This->file = file;
 230     This->size = size.u.LowPart;
 231
 232     IInternetProtocolSink_ReportProgress(protocol_sink,
 233             BINDSTATUS_CACHEFILENAMEAVAILABLE, path);
 234     return S_OK;
 235 }
 236
 237 static HRESULT WINAPI FileProtocol_StartEx(IInternetProtocolEx *iface, IUri *pUri,
 238         IInternetProtocolSink *pOIProtSink, IInternetBindInfo *pOIBindInfo,
 239         DWORD grfPI, HANDLE *dwReserved)
 240 {
 241     FileProtocol *This = impl_from_IInternetProtocolEx(iface);
 242     WCHAR path[MAX_PATH];
 243     BINDINFO bindinfo;
 244     DWORD grfBINDF = 0;
 245     DWORD scheme, size;
 246     LPWSTR mime = NULL;
 247     WCHAR null_char = 0;
 248     BSTR url;
 249     HRESULT hres;
 250
 251     TRACE("(%p)->(%p %p %p %08x %p)\n", This, pUri, pOIProtSink,
 252             pOIBindInfo, grfPI, dwReserved);
 253
 254     if(!pUri)
 255         return E_INVALIDARG;
 256
 257     scheme = 0;
 258     hres = IUri_GetScheme(pUri, &scheme);
 259     if(FAILED(hres))
 260         return hres;
 261     if(scheme != URL_SCHEME_FILE)
 262         return E_INVALIDARG;
 263
 264     memset(&bindinfo, 0, sizeof(bindinfo));
 265     bindinfo.cbSize = sizeof(BINDINFO);
 266     hres = IInternetBindInfo_GetBindInfo(pOIBindInfo, &grfBINDF, &bindinfo);
 267     if(FAILED(hres)) {
 268         WARN("GetBindInfo failed: %08x\n", hres);
 269         return hres;
 270     }
 271
 272     ReleaseBindInfo(&bindinfo);
 273
 274     if(!(grfBINDF & BINDF_FROMURLMON))
 275         IInternetProtocolSink_ReportProgress(pOIProtSink, BINDSTATUS_DIRECTBIND, NULL);
 276
 277     if(This->file != INVALID_HANDLE_VALUE) {
 278         IInternetProtocolSink_ReportData(pOIProtSink,
 279                 BSCF_FIRSTDATANOTIFICATION|BSCF_LASTDATANOTIFICATION,
 280                 This->size, This->size);
 281         return S_OK;
 282     }
 283
 284     IInternetProtocolSink_ReportProgress(pOIProtSink, BINDSTATUS_SENDINGREQUEST, &null_char);
 285
 286     size = 0;
 287     hres = CoInternetParseIUri(pUri, PARSE_PATH_FROM_URL, 0, path, sizeof(path)/sizeof(WCHAR), &size, 0);
 288     if(FAILED(hres)) {
 289         WARN("CoInternetParseIUri failed: %08x\n", hres);
 290         return report_result(pOIProtSink, hres, 0);
 291     }
 292
 293     hres = open_file(This, path, pOIProtSink);
 294     if(FAILED(hres))
 295         return hres;
 296
 297     hres = IUri_GetDisplayUri(pUri, &url);
 298     if(hres == S_OK) {
 299         hres = FindMimeFromData(NULL, url, NULL, 0, NULL, 0, &mime, 0);
 300         SysFreeString(url);
 301         if(SUCCEEDED(hres)) {
 302             IInternetProtocolSink_ReportProgress(pOIProtSink,
 303                     (grfBINDF & BINDF_FROMURLMON) ?
 304                      BINDSTATUS_VERIFIEDMIMETYPEAVAILABLE : BINDSTATUS_MIMETYPEAVAILABLE,
 305                     mime);
 306             CoTaskMemFree(mime);
 307         }
 308     }
 309
 310     IInternetProtocolSink_ReportData(pOIProtSink,
 311             BSCF_FIRSTDATANOTIFICATION|BSCF_LASTDATANOTIFICATION,
 312             This->size, This->size);
 313
 314     return report_result(pOIProtSink, S_OK, 0);
 315 }
 316
 317 static const IInternetProtocolExVtbl FileProtocolExVtbl = {
 318     FileProtocol_QueryInterface,
 319     FileProtocol_AddRef,
 320     FileProtocol_Release,
 321     FileProtocol_Start,
 322     FileProtocol_Continue,
 323     FileProtocol_Abort,
 324     FileProtocol_Terminate,
 325     FileProtocol_Suspend,
 326     FileProtocol_Resume,
 327     FileProtocol_Read,
 328     FileProtocol_Seek,
 329     FileProtocol_LockRequest,
 330     FileProtocol_UnlockRequest,
 331     FileProtocol_StartEx
 332 };
 333
 334 static HRESULT WINAPI FilePriority_QueryInterface(IInternetPriority *iface,
 335                                                   REFIID riid, void **ppv)
 336 {
 337     FileProtocol *This = impl_from_IInternetPriority(iface);
 338     return IInternetProtocolEx_QueryInterface(&This->IInternetProtocolEx_iface, riid, ppv);
 339 }
 340
 341 static ULONG WINAPI FilePriority_AddRef(IInternetPriority *iface)
 342 {
 343     FileProtocol *This = impl_from_IInternetPriority(iface);
 344     return IInternetProtocolEx_AddRef(&This->IInternetProtocolEx_iface);
 345 }
 346
 347 static ULONG WINAPI FilePriority_Release(IInternetPriority *iface)
 348 {
 349     FileProtocol *This = impl_from_IInternetPriority(iface);
 350     return IInternetProtocolEx_Release(&This->IInternetProtocolEx_iface);
 351 }
 352
 353 static HRESULT WINAPI FilePriority_SetPriority(IInternetPriority *iface, LONG nPriority)
 354 {
 355     FileProtocol *This = impl_from_IInternetPriority(iface);
 356
 357     TRACE("(%p)->(%d)\n", This, nPriority);
 358
 359     This->priority = nPriority;
 360     return S_OK;
 361 }
 362
 363 static HRESULT WINAPI FilePriority_GetPriority(IInternetPriority *iface, LONG *pnPriority)
 364 {
 365     FileProtocol *This = impl_from_IInternetPriority(iface);
 366
 367     TRACE("(%p)->(%p)\n", This, pnPriority);
 368
 369     *pnPriority = This->priority;
 370     return S_OK;
 371 }
 372
 373 static const IInternetPriorityVtbl FilePriorityVtbl = {
 374     FilePriority_QueryInterface,
 375     FilePriority_AddRef,
 376     FilePriority_Release,
 377     FilePriority_SetPriority,
 378     FilePriority_GetPriority
 379 };
 380
 381 HRESULT FileProtocol_Construct(IUnknown *pUnkOuter, LPVOID *ppobj)
 382 {
 383     FileProtocol *ret;
 384
 385     TRACE("(%p %p)\n", pUnkOuter, ppobj);
 386
 387     URLMON_LockModule();
 388
 389     ret = heap_alloc(sizeof(FileProtocol));
 390
 391     ret->IInternetProtocolEx_iface.lpVtbl = &FileProtocolExVtbl;
 392     ret->IInternetPriority_iface.lpVtbl = &FilePriorityVtbl;
 393     ret->file = INVALID_HANDLE_VALUE;
 394     ret->priority = 0;
 395     ret->ref = 1;
 396
 397     *ppobj = &ret->IInternetProtocolEx_iface;
 398     return S_OK;
 399 }