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;
 103     LPCWSTR file_name;
 104     WCHAR null_char = 0;
 105     BOOL first_call = FALSE;
 106     HRESULT hres;
 107
 108     static const WCHAR wszFile[]  = {'f','i','l','e',':'};
 109
 110     TRACE("(%p)->(%s %p %p %08x %d)\n", This, debugstr_w(szUrl), pOIProtSink,
 111             pOIBindInfo, grfPI, dwReserved);
 112
 113     memset(&bindinfo, 0, sizeof(bindinfo));
 114     bindinfo.cbSize = sizeof(BINDINFO);
 115     hres = IInternetBindInfo_GetBindInfo(pOIBindInfo, &grfBINDF, &bindinfo);
 116     if(FAILED(hres)) {
 117         WARN("GetBindInfo failed: %08x\n", hres);
 118         return hres;
 119     }
 120
 121     ReleaseBindInfo(&bindinfo);
 122
 123     if(lstrlenW(szUrl) < sizeof(wszFile)/sizeof(WCHAR)
 124             || memcmp(szUrl, wszFile, sizeof(wszFile)))
 125         return MK_E_SYNTAX;
 126
 127     len = lstrlenW(szUrl)+16;
 128     url = heap_alloc(len*sizeof(WCHAR));
 129     hres = CoInternetParseUrl(szUrl, PARSE_ENCODE, 0, url, len, &len, 0);
 130     if(FAILED(hres)) {
 131         heap_free(url);
 132         return hres;
 133     }
 134
 135     if(!(grfBINDF & BINDF_FROMURLMON))
 136         IInternetProtocolSink_ReportProgress(pOIProtSink, BINDSTATUS_DIRECTBIND, NULL);
 137
 138     if(!This->file) {
 139         first_call = TRUE;
 140
 141         IInternetProtocolSink_ReportProgress(pOIProtSink, BINDSTATUS_SENDINGREQUEST, &null_char);
 142
 143         file_name = url+sizeof(wszFile)/sizeof(WCHAR);
 144         if(file_name[0] == '/' && file_name[1] == '/')
 145             file_name += 2;
 146         if(*file_name == '/')
 147             file_name++;
 148
 149         This->file = CreateFileW(file_name, GENERIC_READ, FILE_SHARE_READ, NULL,
 150                                  OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
 151
 152         if(This->file == INVALID_HANDLE_VALUE) {
 153             This->file = NULL;
 154             IInternetProtocolSink_ReportResult(pOIProtSink, INET_E_RESOURCE_NOT_FOUND,
 155                     GetLastError(), NULL);
 156             heap_free(url);
 157             return INET_E_RESOURCE_NOT_FOUND;
 158         }
 159
 160         IInternetProtocolSink_ReportProgress(pOIProtSink,
 161                 BINDSTATUS_CACHEFILENAMEAVAILABLE, file_name);
 162
 163         hres = FindMimeFromData(NULL, url, NULL, 0, NULL, 0, &mime, 0);
 164         if(SUCCEEDED(hres)) {
 165             IInternetProtocolSink_ReportProgress(pOIProtSink,
 166                     (grfBINDF & BINDF_FROMURLMON) ?
 167                     BINDSTATUS_VERIFIEDMIMETYPEAVAILABLE : BINDSTATUS_MIMETYPEAVAILABLE,
 168                     mime);
 169             CoTaskMemFree(mime);
 170         }
 171     }
 172
 173     heap_free(url);
 174
 175     if(GetFileSizeEx(This->file, &size))
 176         IInternetProtocolSink_ReportData(pOIProtSink,
 177                 BSCF_FIRSTDATANOTIFICATION|BSCF_LASTDATANOTIFICATION,
 178                 size.u.LowPart, size.u.LowPart);
 179
 180     if(first_call)
 181         IInternetProtocolSink_ReportResult(pOIProtSink, S_OK, 0, NULL);
 182
 183     return S_OK;
 184 }
 185
 186 static HRESULT WINAPI FileProtocol_Continue(IInternetProtocol *iface, PROTOCOLDATA *pProtocolData)
 187 {
 188     FileProtocol *This = PROTOCOL_THIS(iface);
 189     FIXME("(%p)->(%p)\n", This, pProtocolData);
 190     return E_NOTIMPL;
 191 }
 192
 193 static HRESULT WINAPI FileProtocol_Abort(IInternetProtocol *iface, HRESULT hrReason,
 194         DWORD dwOptions)
 195 {
 196     FileProtocol *This = PROTOCOL_THIS(iface);
 197     FIXME("(%p)->(%08x %08x)\n", This, hrReason, dwOptions);
 198     return E_NOTIMPL;
 199 }
 200
 201 static HRESULT WINAPI FileProtocol_Terminate(IInternetProtocol *iface, DWORD dwOptions)
 202 {
 203     FileProtocol *This = PROTOCOL_THIS(iface);
 204
 205     TRACE("(%p)->(%08x)\n", This, dwOptions);
 206
 207     return S_OK;
 208 }
 209
 210 static HRESULT WINAPI FileProtocol_Suspend(IInternetProtocol *iface)
 211 {
 212     FileProtocol *This = PROTOCOL_THIS(iface);
 213     FIXME("(%p)\n", This);
 214     return E_NOTIMPL;
 215 }
 216
 217 static HRESULT WINAPI FileProtocol_Resume(IInternetProtocol *iface)
 218 {
 219     FileProtocol *This = PROTOCOL_THIS(iface);
 220     FIXME("(%p)\n", This);
 221     return E_NOTIMPL;
 222 }
 223
 224 static HRESULT WINAPI FileProtocol_Read(IInternetProtocol *iface, void *pv,
 225         ULONG cb, ULONG *pcbRead)
 226 {
 227     FileProtocol *This = PROTOCOL_THIS(iface);
 228     DWORD read = 0;
 229
 230     TRACE("(%p)->(%p %u %p)\n", This, pv, cb, pcbRead);
 231
 232     if (pcbRead)
 233         *pcbRead = 0;
 234
 235     if(!This->file)
 236         return INET_E_DATA_NOT_AVAILABLE;
 237
 238     if (!ReadFile(This->file, pv, cb, &read, NULL))
 239         return INET_E_DOWNLOAD_FAILURE;
 240
 241     if(pcbRead)
 242         *pcbRead = read;
 243
 244     return cb == read ? S_OK : S_FALSE;
 245 }
 246
 247 static HRESULT WINAPI FileProtocol_Seek(IInternetProtocol *iface, LARGE_INTEGER dlibMove,
 248         DWORD dwOrigin, ULARGE_INTEGER *plibNewPosition)
 249 {
 250     FileProtocol *This = PROTOCOL_THIS(iface);
 251     FIXME("(%p)->(%d %d %p)\n", This, dlibMove.u.LowPart, dwOrigin, plibNewPosition);
 252     return E_NOTIMPL;
 253 }
 254
 255 static HRESULT WINAPI FileProtocol_LockRequest(IInternetProtocol *iface, DWORD dwOptions)
 256 {
 257     FileProtocol *This = PROTOCOL_THIS(iface);
 258
 259     TRACE("(%p)->(%08x)\n", This, dwOptions);
 260
 261     return S_OK;
 262 }
 263
 264 static HRESULT WINAPI FileProtocol_UnlockRequest(IInternetProtocol *iface)
 265 {
 266     FileProtocol *This = PROTOCOL_THIS(iface);
 267
 268     TRACE("(%p)\n", This);
 269
 270     return S_OK;
 271 }
 272
 273 #undef PROTOCOL_THIS
 274
 275 static const IInternetProtocolVtbl FileProtocolVtbl = {
 276     FileProtocol_QueryInterface,
 277     FileProtocol_AddRef,
 278     FileProtocol_Release,
 279     FileProtocol_Start,
 280     FileProtocol_Continue,
 281     FileProtocol_Abort,
 282     FileProtocol_Terminate,
 283     FileProtocol_Suspend,
 284     FileProtocol_Resume,
 285     FileProtocol_Read,
 286     FileProtocol_Seek,
 287     FileProtocol_LockRequest,
 288     FileProtocol_UnlockRequest
 289 };
 290
 291 #define PRIORITY_THIS(iface) DEFINE_THIS(FileProtocol, InternetPriority, iface)
 292
 293 static HRESULT WINAPI FilePriority_QueryInterface(IInternetPriority *iface,
 294                                                   REFIID riid, void **ppv)
 295 {
 296     FileProtocol *This = PRIORITY_THIS(iface);
 297     return IInternetProtocol_QueryInterface(PROTOCOL(This), riid, ppv);
 298 }
 299
 300 static ULONG WINAPI FilePriority_AddRef(IInternetPriority *iface)
 301 {
 302     FileProtocol *This = PRIORITY_THIS(iface);
 303     return IInternetProtocol_AddRef(PROTOCOL(This));
 304 }
 305
 306 static ULONG WINAPI FilePriority_Release(IInternetPriority *iface)
 307 {
 308     FileProtocol *This = PRIORITY_THIS(iface);
 309     return IInternetProtocol_Release(PROTOCOL(This));
 310 }
 311
 312 static HRESULT WINAPI FilePriority_SetPriority(IInternetPriority *iface, LONG nPriority)
 313 {
 314     FileProtocol *This = PRIORITY_THIS(iface);
 315
 316     TRACE("(%p)->(%d)\n", This, nPriority);
 317
 318     This->priority = nPriority;
 319     return S_OK;
 320 }
 321
 322 static HRESULT WINAPI FilePriority_GetPriority(IInternetPriority *iface, LONG *pnPriority)
 323 {
 324     FileProtocol *This = PRIORITY_THIS(iface);
 325
 326     TRACE("(%p)->(%p)\n", This, pnPriority);
 327
 328     *pnPriority = This->priority;
 329     return S_OK;
 330 }
 331
 332 #undef PRIORITY_THIS
 333
 334 static const IInternetPriorityVtbl FilePriorityVtbl = {
 335     FilePriority_QueryInterface,
 336     FilePriority_AddRef,
 337     FilePriority_Release,
 338     FilePriority_SetPriority,
 339     FilePriority_GetPriority
 340 };
 341
 342 HRESULT FileProtocol_Construct(IUnknown *pUnkOuter, LPVOID *ppobj)
 343 {
 344     FileProtocol *ret;
 345
 346     TRACE("(%p %p)\n", pUnkOuter, ppobj);
 347
 348     URLMON_LockModule();
 349
 350     ret = heap_alloc(sizeof(FileProtocol));
 351
 352     ret->lpInternetProtocolVtbl = &FileProtocolVtbl;
 353     ret->lpInternetPriorityVtbl = &FilePriorityVtbl;
 354     ret->file = NULL;
 355     ret->priority = 0;
 356     ret->ref = 1;
 357
 358     *ppobj = PROTOCOL(ret);
 359
 360     return S_OK;
 361 }