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     if(!szUrl || lstrlenW(szUrl) < sizeof(wszFile)/sizeof(WCHAR)
 113             || memcmp(szUrl, wszFile, sizeof(wszFile)))
 114         return E_INVALIDARG;
 115
 116     memset(&bindinfo, 0, sizeof(bindinfo));
 117     bindinfo.cbSize = sizeof(BINDINFO);
 118     hres = IInternetBindInfo_GetBindInfo(pOIBindInfo, &grfBINDF, &bindinfo);
 119     if(FAILED(hres)) {
 120         WARN("GetBindInfo failed: %08x\n", hres);
 121         return hres;
 122     }
 123
 124     ReleaseBindInfo(&bindinfo);
 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         if(file_name[1] == '|')
 158             file_name[1] = ':';
 159
 160         This->file = CreateFileW(file_name, GENERIC_READ, FILE_SHARE_READ, NULL,
 161                                  OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
 162
 163         if(This->file == INVALID_HANDLE_VALUE) {
 164             This->file = NULL;
 165             IInternetProtocolSink_ReportResult(pOIProtSink, INET_E_RESOURCE_NOT_FOUND,
 166                     GetLastError(), NULL);
 167             heap_free(url);
 168             return INET_E_RESOURCE_NOT_FOUND;
 169         }
 170
 171         IInternetProtocolSink_ReportProgress(pOIProtSink,
 172                 BINDSTATUS_CACHEFILENAMEAVAILABLE, file_name);
 173
 174         hres = FindMimeFromData(NULL, url, NULL, 0, NULL, 0, &mime, 0);
 175         if(SUCCEEDED(hres)) {
 176             IInternetProtocolSink_ReportProgress(pOIProtSink,
 177                     (grfBINDF & BINDF_FROMURLMON) ?
 178                     BINDSTATUS_VERIFIEDMIMETYPEAVAILABLE : BINDSTATUS_MIMETYPEAVAILABLE,
 179                     mime);
 180             CoTaskMemFree(mime);
 181         }
 182     }
 183
 184     heap_free(url);
 185
 186     if(GetFileSizeEx(This->file, &size))
 187         IInternetProtocolSink_ReportData(pOIProtSink,
 188                 BSCF_FIRSTDATANOTIFICATION|BSCF_LASTDATANOTIFICATION,
 189                 size.u.LowPart, size.u.LowPart);
 190
 191     if(first_call)
 192         IInternetProtocolSink_ReportResult(pOIProtSink, S_OK, 0, NULL);
 193
 194     return S_OK;
 195 }
 196
 197 static HRESULT WINAPI FileProtocol_Continue(IInternetProtocol *iface, PROTOCOLDATA *pProtocolData)
 198 {
 199     FileProtocol *This = PROTOCOL_THIS(iface);
 200     FIXME("(%p)->(%p)\n", This, pProtocolData);
 201     return E_NOTIMPL;
 202 }
 203
 204 static HRESULT WINAPI FileProtocol_Abort(IInternetProtocol *iface, HRESULT hrReason,
 205         DWORD dwOptions)
 206 {
 207     FileProtocol *This = PROTOCOL_THIS(iface);
 208     FIXME("(%p)->(%08x %08x)\n", This, hrReason, dwOptions);
 209     return E_NOTIMPL;
 210 }
 211
 212 static HRESULT WINAPI FileProtocol_Terminate(IInternetProtocol *iface, DWORD dwOptions)
 213 {
 214     FileProtocol *This = PROTOCOL_THIS(iface);
 215
 216     TRACE("(%p)->(%08x)\n", This, dwOptions);
 217
 218     return S_OK;
 219 }
 220
 221 static HRESULT WINAPI FileProtocol_Suspend(IInternetProtocol *iface)
 222 {
 223     FileProtocol *This = PROTOCOL_THIS(iface);
 224     FIXME("(%p)\n", This);
 225     return E_NOTIMPL;
 226 }
 227
 228 static HRESULT WINAPI FileProtocol_Resume(IInternetProtocol *iface)
 229 {
 230     FileProtocol *This = PROTOCOL_THIS(iface);
 231     FIXME("(%p)\n", This);
 232     return E_NOTIMPL;
 233 }
 234
 235 static HRESULT WINAPI FileProtocol_Read(IInternetProtocol *iface, void *pv,
 236         ULONG cb, ULONG *pcbRead)
 237 {
 238     FileProtocol *This = PROTOCOL_THIS(iface);
 239     DWORD read = 0;
 240
 241     TRACE("(%p)->(%p %u %p)\n", This, pv, cb, pcbRead);
 242
 243     if (pcbRead)
 244         *pcbRead = 0;
 245
 246     if(!This->file)
 247         return INET_E_DATA_NOT_AVAILABLE;
 248
 249     if (!ReadFile(This->file, pv, cb, &read, NULL))
 250         return INET_E_DOWNLOAD_FAILURE;
 251
 252     if(pcbRead)
 253         *pcbRead = read;
 254
 255     return cb == read ? S_OK : S_FALSE;
 256 }
 257
 258 static HRESULT WINAPI FileProtocol_Seek(IInternetProtocol *iface, LARGE_INTEGER dlibMove,
 259         DWORD dwOrigin, ULARGE_INTEGER *plibNewPosition)
 260 {
 261     FileProtocol *This = PROTOCOL_THIS(iface);
 262     FIXME("(%p)->(%d %d %p)\n", This, dlibMove.u.LowPart, dwOrigin, plibNewPosition);
 263     return E_NOTIMPL;
 264 }
 265
 266 static HRESULT WINAPI FileProtocol_LockRequest(IInternetProtocol *iface, DWORD dwOptions)
 267 {
 268     FileProtocol *This = PROTOCOL_THIS(iface);
 269
 270     TRACE("(%p)->(%08x)\n", This, dwOptions);
 271
 272     return S_OK;
 273 }
 274
 275 static HRESULT WINAPI FileProtocol_UnlockRequest(IInternetProtocol *iface)
 276 {
 277     FileProtocol *This = PROTOCOL_THIS(iface);
 278
 279     TRACE("(%p)\n", This);
 280
 281     return S_OK;
 282 }
 283
 284 #undef PROTOCOL_THIS
 285
 286 static const IInternetProtocolVtbl FileProtocolVtbl = {
 287     FileProtocol_QueryInterface,
 288     FileProtocol_AddRef,
 289     FileProtocol_Release,
 290     FileProtocol_Start,
 291     FileProtocol_Continue,
 292     FileProtocol_Abort,
 293     FileProtocol_Terminate,
 294     FileProtocol_Suspend,
 295     FileProtocol_Resume,
 296     FileProtocol_Read,
 297     FileProtocol_Seek,
 298     FileProtocol_LockRequest,
 299     FileProtocol_UnlockRequest
 300 };
 301
 302 #define PRIORITY_THIS(iface) DEFINE_THIS(FileProtocol, InternetPriority, iface)
 303
 304 static HRESULT WINAPI FilePriority_QueryInterface(IInternetPriority *iface,
 305                                                   REFIID riid, void **ppv)
 306 {
 307     FileProtocol *This = PRIORITY_THIS(iface);
 308     return IInternetProtocol_QueryInterface(PROTOCOL(This), riid, ppv);
 309 }
 310
 311 static ULONG WINAPI FilePriority_AddRef(IInternetPriority *iface)
 312 {
 313     FileProtocol *This = PRIORITY_THIS(iface);
 314     return IInternetProtocol_AddRef(PROTOCOL(This));
 315 }
 316
 317 static ULONG WINAPI FilePriority_Release(IInternetPriority *iface)
 318 {
 319     FileProtocol *This = PRIORITY_THIS(iface);
 320     return IInternetProtocol_Release(PROTOCOL(This));
 321 }
 322
 323 static HRESULT WINAPI FilePriority_SetPriority(IInternetPriority *iface, LONG nPriority)
 324 {
 325     FileProtocol *This = PRIORITY_THIS(iface);
 326
 327     TRACE("(%p)->(%d)\n", This, nPriority);
 328
 329     This->priority = nPriority;
 330     return S_OK;
 331 }
 332
 333 static HRESULT WINAPI FilePriority_GetPriority(IInternetPriority *iface, LONG *pnPriority)
 334 {
 335     FileProtocol *This = PRIORITY_THIS(iface);
 336
 337     TRACE("(%p)->(%p)\n", This, pnPriority);
 338
 339     *pnPriority = This->priority;
 340     return S_OK;
 341 }
 342
 343 #undef PRIORITY_THIS
 344
 345 static const IInternetPriorityVtbl FilePriorityVtbl = {
 346     FilePriority_QueryInterface,
 347     FilePriority_AddRef,
 348     FilePriority_Release,
 349     FilePriority_SetPriority,
 350     FilePriority_GetPriority
 351 };
 352
 353 HRESULT FileProtocol_Construct(IUnknown *pUnkOuter, LPVOID *ppobj)
 354 {
 355     FileProtocol *ret;
 356
 357     TRACE("(%p %p)\n", pUnkOuter, ppobj);
 358
 359     URLMON_LockModule();
 360
 361     ret = heap_alloc(sizeof(FileProtocol));
 362
 363     ret->lpInternetProtocolVtbl = &FileProtocolVtbl;
 364     ret->lpInternetPriorityVtbl = &FilePriorityVtbl;
 365     ret->file = NULL;
 366     ret->priority = 0;
 367     ret->ref = 1;
 368
 369     *ppobj = PROTOCOL(ret);
 370
 371     return S_OK;
 372 }