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(lstrlenW(szUrl) < sizeof(wszFile)/sizeof(WCHAR)
 123             || memcmp(szUrl, wszFile, sizeof(wszFile)))
 124         return MK_E_SYNTAX;
 125
 126     len = lstrlenW(szUrl)+16;
 127     url = heap_alloc(len*sizeof(WCHAR));
 128     hres = CoInternetParseUrl(szUrl, PARSE_ENCODE, 0, url, len, &len, 0);
 129     if(FAILED(hres)) {
 130         heap_free(url);
 131         return hres;
 132     }
 133
 134     if(!(grfBINDF & BINDF_FROMURLMON))
 135         IInternetProtocolSink_ReportProgress(pOIProtSink, BINDSTATUS_DIRECTBIND, NULL);
 136
 137     if(!This->file) {
 138         WCHAR *ptr;
 139
 140         first_call = TRUE;
 141
 142         IInternetProtocolSink_ReportProgress(pOIProtSink, BINDSTATUS_SENDINGREQUEST, &null_char);
 143
 144         file_name = url+sizeof(wszFile)/sizeof(WCHAR);
 145         if(file_name[0] == '/' && file_name[1] == '/')
 146             file_name += 2;
 147         if(*file_name == '/')
 148             file_name++;
 149
 150         for(ptr = file_name; *ptr; ptr++) {
 151             if(*ptr == '?' || *ptr == '#') {
 152                 *ptr = 0;
 153                 break;
 154             }
 155         }
 156
 157         This->file = CreateFileW(file_name, GENERIC_READ, FILE_SHARE_READ, NULL,
 158                                  OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
 159
 160         if(This->file == INVALID_HANDLE_VALUE) {
 161             This->file = NULL;
 162             IInternetProtocolSink_ReportResult(pOIProtSink, INET_E_RESOURCE_NOT_FOUND,
 163                     GetLastError(), NULL);
 164             heap_free(url);
 165             return INET_E_RESOURCE_NOT_FOUND;
 166         }
 167
 168         IInternetProtocolSink_ReportProgress(pOIProtSink,
 169                 BINDSTATUS_CACHEFILENAMEAVAILABLE, file_name);
 170
 171         hres = FindMimeFromData(NULL, url, NULL, 0, NULL, 0, &mime, 0);
 172         if(SUCCEEDED(hres)) {
 173             IInternetProtocolSink_ReportProgress(pOIProtSink,
 174                     (grfBINDF & BINDF_FROMURLMON) ?
 175                     BINDSTATUS_VERIFIEDMIMETYPEAVAILABLE : BINDSTATUS_MIMETYPEAVAILABLE,
 176                     mime);
 177             CoTaskMemFree(mime);
 178         }
 179     }
 180
 181     heap_free(url);
 182
 183     if(GetFileSizeEx(This->file, &size))
 184         IInternetProtocolSink_ReportData(pOIProtSink,
 185                 BSCF_FIRSTDATANOTIFICATION|BSCF_LASTDATANOTIFICATION,
 186                 size.u.LowPart, size.u.LowPart);
 187
 188     if(first_call)
 189         IInternetProtocolSink_ReportResult(pOIProtSink, S_OK, 0, NULL);
 190
 191     return S_OK;
 192 }
 193
 194 static HRESULT WINAPI FileProtocol_Continue(IInternetProtocol *iface, PROTOCOLDATA *pProtocolData)
 195 {
 196     FileProtocol *This = PROTOCOL_THIS(iface);
 197     FIXME("(%p)->(%p)\n", This, pProtocolData);
 198     return E_NOTIMPL;
 199 }
 200
 201 static HRESULT WINAPI FileProtocol_Abort(IInternetProtocol *iface, HRESULT hrReason,
 202         DWORD dwOptions)
 203 {
 204     FileProtocol *This = PROTOCOL_THIS(iface);
 205     FIXME("(%p)->(%08x %08x)\n", This, hrReason, dwOptions);
 206     return E_NOTIMPL;
 207 }
 208
 209 static HRESULT WINAPI FileProtocol_Terminate(IInternetProtocol *iface, DWORD dwOptions)
 210 {
 211     FileProtocol *This = PROTOCOL_THIS(iface);
 212
 213     TRACE("(%p)->(%08x)\n", This, dwOptions);
 214
 215     return S_OK;
 216 }
 217
 218 static HRESULT WINAPI FileProtocol_Suspend(IInternetProtocol *iface)
 219 {
 220     FileProtocol *This = PROTOCOL_THIS(iface);
 221     FIXME("(%p)\n", This);
 222     return E_NOTIMPL;
 223 }
 224
 225 static HRESULT WINAPI FileProtocol_Resume(IInternetProtocol *iface)
 226 {
 227     FileProtocol *This = PROTOCOL_THIS(iface);
 228     FIXME("(%p)\n", This);
 229     return E_NOTIMPL;
 230 }
 231
 232 static HRESULT WINAPI FileProtocol_Read(IInternetProtocol *iface, void *pv,
 233         ULONG cb, ULONG *pcbRead)
 234 {
 235     FileProtocol *This = PROTOCOL_THIS(iface);
 236     DWORD read = 0;
 237
 238     TRACE("(%p)->(%p %u %p)\n", This, pv, cb, pcbRead);
 239
 240     if (pcbRead)
 241         *pcbRead = 0;
 242
 243     if(!This->file)
 244         return INET_E_DATA_NOT_AVAILABLE;
 245
 246     if (!ReadFile(This->file, pv, cb, &read, NULL))
 247         return INET_E_DOWNLOAD_FAILURE;
 248
 249     if(pcbRead)
 250         *pcbRead = read;
 251
 252     return cb == read ? S_OK : S_FALSE;
 253 }
 254
 255 static HRESULT WINAPI FileProtocol_Seek(IInternetProtocol *iface, LARGE_INTEGER dlibMove,
 256         DWORD dwOrigin, ULARGE_INTEGER *plibNewPosition)
 257 {
 258     FileProtocol *This = PROTOCOL_THIS(iface);
 259     FIXME("(%p)->(%d %d %p)\n", This, dlibMove.u.LowPart, dwOrigin, plibNewPosition);
 260     return E_NOTIMPL;
 261 }
 262
 263 static HRESULT WINAPI FileProtocol_LockRequest(IInternetProtocol *iface, DWORD dwOptions)
 264 {
 265     FileProtocol *This = PROTOCOL_THIS(iface);
 266
 267     TRACE("(%p)->(%08x)\n", This, dwOptions);
 268
 269     return S_OK;
 270 }
 271
 272 static HRESULT WINAPI FileProtocol_UnlockRequest(IInternetProtocol *iface)
 273 {
 274     FileProtocol *This = PROTOCOL_THIS(iface);
 275
 276     TRACE("(%p)\n", This);
 277
 278     return S_OK;
 279 }
 280
 281 #undef PROTOCOL_THIS
 282
 283 static const IInternetProtocolVtbl FileProtocolVtbl = {
 284     FileProtocol_QueryInterface,
 285     FileProtocol_AddRef,
 286     FileProtocol_Release,
 287     FileProtocol_Start,
 288     FileProtocol_Continue,
 289     FileProtocol_Abort,
 290     FileProtocol_Terminate,
 291     FileProtocol_Suspend,
 292     FileProtocol_Resume,
 293     FileProtocol_Read,
 294     FileProtocol_Seek,
 295     FileProtocol_LockRequest,
 296     FileProtocol_UnlockRequest
 297 };
 298
 299 #define PRIORITY_THIS(iface) DEFINE_THIS(FileProtocol, InternetPriority, iface)
 300
 301 static HRESULT WINAPI FilePriority_QueryInterface(IInternetPriority *iface,
 302                                                   REFIID riid, void **ppv)
 303 {
 304     FileProtocol *This = PRIORITY_THIS(iface);
 305     return IInternetProtocol_QueryInterface(PROTOCOL(This), riid, ppv);
 306 }
 307
 308 static ULONG WINAPI FilePriority_AddRef(IInternetPriority *iface)
 309 {
 310     FileProtocol *This = PRIORITY_THIS(iface);
 311     return IInternetProtocol_AddRef(PROTOCOL(This));
 312 }
 313
 314 static ULONG WINAPI FilePriority_Release(IInternetPriority *iface)
 315 {
 316     FileProtocol *This = PRIORITY_THIS(iface);
 317     return IInternetProtocol_Release(PROTOCOL(This));
 318 }
 319
 320 static HRESULT WINAPI FilePriority_SetPriority(IInternetPriority *iface, LONG nPriority)
 321 {
 322     FileProtocol *This = PRIORITY_THIS(iface);
 323
 324     TRACE("(%p)->(%d)\n", This, nPriority);
 325
 326     This->priority = nPriority;
 327     return S_OK;
 328 }
 329
 330 static HRESULT WINAPI FilePriority_GetPriority(IInternetPriority *iface, LONG *pnPriority)
 331 {
 332     FileProtocol *This = PRIORITY_THIS(iface);
 333
 334     TRACE("(%p)->(%p)\n", This, pnPriority);
 335
 336     *pnPriority = This->priority;
 337     return S_OK;
 338 }
 339
 340 #undef PRIORITY_THIS
 341
 342 static const IInternetPriorityVtbl FilePriorityVtbl = {
 343     FilePriority_QueryInterface,
 344     FilePriority_AddRef,
 345     FilePriority_Release,
 346     FilePriority_SetPriority,
 347     FilePriority_GetPriority
 348 };
 349
 350 HRESULT FileProtocol_Construct(IUnknown *pUnkOuter, LPVOID *ppobj)
 351 {
 352     FileProtocol *ret;
 353
 354     TRACE("(%p %p)\n", pUnkOuter, ppobj);
 355
 356     URLMON_LockModule();
 357
 358     ret = heap_alloc(sizeof(FileProtocol));
 359
 360     ret->lpInternetProtocolVtbl = &FileProtocolVtbl;
 361     ret->lpInternetPriorityVtbl = &FilePriorityVtbl;
 362     ret->file = NULL;
 363     ret->priority = 0;
 364     ret->ref = 1;
 365
 366     *ppobj = PROTOCOL(ret);
 367
 368     return S_OK;
 369 }