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         if(file_name[0] == '/' && file_name[1] == '/')
 145             file_name += 2;
 146         if(*file_name == '/')
 147             file_name++;
 148
 149         for(ptr = file_name; *ptr; ptr++) {
 150             if(*ptr == '?' || *ptr == '#') {
 151                 *ptr = 0;
 152                 break;
 153             }
 154         }
 155
 156         if(file_name[1] == '|')
 157             file_name[1] = ':';
 158
 159         This->file = CreateFileW(file_name, GENERIC_READ, FILE_SHARE_READ, NULL,
 160                                  OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
 161
 162         if(This->file == INVALID_HANDLE_VALUE) {
 163             This->file = NULL;
 164             IInternetProtocolSink_ReportResult(pOIProtSink, INET_E_RESOURCE_NOT_FOUND,
 165                     GetLastError(), NULL);
 166             heap_free(url);
 167             return INET_E_RESOURCE_NOT_FOUND;
 168         }
 169
 170         IInternetProtocolSink_ReportProgress(pOIProtSink,
 171                 BINDSTATUS_CACHEFILENAMEAVAILABLE, file_name);
 172
 173         hres = FindMimeFromData(NULL, url, NULL, 0, NULL, 0, &mime, 0);
 174         if(SUCCEEDED(hres)) {
 175             IInternetProtocolSink_ReportProgress(pOIProtSink,
 176                     (grfBINDF & BINDF_FROMURLMON) ?
 177                     BINDSTATUS_VERIFIEDMIMETYPEAVAILABLE : BINDSTATUS_MIMETYPEAVAILABLE,
 178                     mime);
 179             CoTaskMemFree(mime);
 180         }
 181     }
 182
 183     heap_free(url);
 184
 185     if(GetFileSizeEx(This->file, &size))
 186         IInternetProtocolSink_ReportData(pOIProtSink,
 187                 BSCF_FIRSTDATANOTIFICATION|BSCF_LASTDATANOTIFICATION,
 188                 size.u.LowPart, size.u.LowPart);
 189
 190     if(first_call)
 191         IInternetProtocolSink_ReportResult(pOIProtSink, S_OK, 0, NULL);
 192
 193     return S_OK;
 194 }
 195
 196 static HRESULT WINAPI FileProtocol_Continue(IInternetProtocol *iface, PROTOCOLDATA *pProtocolData)
 197 {
 198     FileProtocol *This = PROTOCOL_THIS(iface);
 199     FIXME("(%p)->(%p)\n", This, pProtocolData);
 200     return E_NOTIMPL;
 201 }
 202
 203 static HRESULT WINAPI FileProtocol_Abort(IInternetProtocol *iface, HRESULT hrReason,
 204         DWORD dwOptions)
 205 {
 206     FileProtocol *This = PROTOCOL_THIS(iface);
 207     FIXME("(%p)->(%08x %08x)\n", This, hrReason, dwOptions);
 208     return E_NOTIMPL;
 209 }
 210
 211 static HRESULT WINAPI FileProtocol_Terminate(IInternetProtocol *iface, DWORD dwOptions)
 212 {
 213     FileProtocol *This = PROTOCOL_THIS(iface);
 214
 215     TRACE("(%p)->(%08x)\n", This, dwOptions);
 216
 217     return S_OK;
 218 }
 219
 220 static HRESULT WINAPI FileProtocol_Suspend(IInternetProtocol *iface)
 221 {
 222     FileProtocol *This = PROTOCOL_THIS(iface);
 223     FIXME("(%p)\n", This);
 224     return E_NOTIMPL;
 225 }
 226
 227 static HRESULT WINAPI FileProtocol_Resume(IInternetProtocol *iface)
 228 {
 229     FileProtocol *This = PROTOCOL_THIS(iface);
 230     FIXME("(%p)\n", This);
 231     return E_NOTIMPL;
 232 }
 233
 234 static HRESULT WINAPI FileProtocol_Read(IInternetProtocol *iface, void *pv,
 235         ULONG cb, ULONG *pcbRead)
 236 {
 237     FileProtocol *This = PROTOCOL_THIS(iface);
 238     DWORD read = 0;
 239
 240     TRACE("(%p)->(%p %u %p)\n", This, pv, cb, pcbRead);
 241
 242     if (pcbRead)
 243         *pcbRead = 0;
 244
 245     if(!This->file)
 246         return INET_E_DATA_NOT_AVAILABLE;
 247
 248     if (!ReadFile(This->file, pv, cb, &read, NULL))
 249         return INET_E_DOWNLOAD_FAILURE;
 250
 251     if(pcbRead)
 252         *pcbRead = read;
 253
 254     return cb == read ? S_OK : S_FALSE;
 255 }
 256
 257 static HRESULT WINAPI FileProtocol_Seek(IInternetProtocol *iface, LARGE_INTEGER dlibMove,
 258         DWORD dwOrigin, ULARGE_INTEGER *plibNewPosition)
 259 {
 260     FileProtocol *This = PROTOCOL_THIS(iface);
 261     FIXME("(%p)->(%d %d %p)\n", This, dlibMove.u.LowPart, dwOrigin, plibNewPosition);
 262     return E_NOTIMPL;
 263 }
 264
 265 static HRESULT WINAPI FileProtocol_LockRequest(IInternetProtocol *iface, DWORD dwOptions)
 266 {
 267     FileProtocol *This = PROTOCOL_THIS(iface);
 268
 269     TRACE("(%p)->(%08x)\n", This, dwOptions);
 270
 271     return S_OK;
 272 }
 273
 274 static HRESULT WINAPI FileProtocol_UnlockRequest(IInternetProtocol *iface)
 275 {
 276     FileProtocol *This = PROTOCOL_THIS(iface);
 277
 278     TRACE("(%p)\n", This);
 279
 280     return S_OK;
 281 }
 282
 283 #undef PROTOCOL_THIS
 284
 285 static const IInternetProtocolVtbl FileProtocolVtbl = {
 286     FileProtocol_QueryInterface,
 287     FileProtocol_AddRef,
 288     FileProtocol_Release,
 289     FileProtocol_Start,
 290     FileProtocol_Continue,
 291     FileProtocol_Abort,
 292     FileProtocol_Terminate,
 293     FileProtocol_Suspend,
 294     FileProtocol_Resume,
 295     FileProtocol_Read,
 296     FileProtocol_Seek,
 297     FileProtocol_LockRequest,
 298     FileProtocol_UnlockRequest
 299 };
 300
 301 #define PRIORITY_THIS(iface) DEFINE_THIS(FileProtocol, InternetPriority, iface)
 302
 303 static HRESULT WINAPI FilePriority_QueryInterface(IInternetPriority *iface,
 304                                                   REFIID riid, void **ppv)
 305 {
 306     FileProtocol *This = PRIORITY_THIS(iface);
 307     return IInternetProtocol_QueryInterface(PROTOCOL(This), riid, ppv);
 308 }
 309
 310 static ULONG WINAPI FilePriority_AddRef(IInternetPriority *iface)
 311 {
 312     FileProtocol *This = PRIORITY_THIS(iface);
 313     return IInternetProtocol_AddRef(PROTOCOL(This));
 314 }
 315
 316 static ULONG WINAPI FilePriority_Release(IInternetPriority *iface)
 317 {
 318     FileProtocol *This = PRIORITY_THIS(iface);
 319     return IInternetProtocol_Release(PROTOCOL(This));
 320 }
 321
 322 static HRESULT WINAPI FilePriority_SetPriority(IInternetPriority *iface, LONG nPriority)
 323 {
 324     FileProtocol *This = PRIORITY_THIS(iface);
 325
 326     TRACE("(%p)->(%d)\n", This, nPriority);
 327
 328     This->priority = nPriority;
 329     return S_OK;
 330 }
 331
 332 static HRESULT WINAPI FilePriority_GetPriority(IInternetPriority *iface, LONG *pnPriority)
 333 {
 334     FileProtocol *This = PRIORITY_THIS(iface);
 335
 336     TRACE("(%p)->(%p)\n", This, pnPriority);
 337
 338     *pnPriority = This->priority;
 339     return S_OK;
 340 }
 341
 342 #undef PRIORITY_THIS
 343
 344 static const IInternetPriorityVtbl FilePriorityVtbl = {
 345     FilePriority_QueryInterface,
 346     FilePriority_AddRef,
 347     FilePriority_Release,
 348     FilePriority_SetPriority,
 349     FilePriority_GetPriority
 350 };
 351
 352 HRESULT FileProtocol_Construct(IUnknown *pUnkOuter, LPVOID *ppobj)
 353 {
 354     FileProtocol *ret;
 355
 356     TRACE("(%p %p)\n", pUnkOuter, ppobj);
 357
 358     URLMON_LockModule();
 359
 360     ret = heap_alloc(sizeof(FileProtocol));
 361
 362     ret->lpIInternetProtocolVtbl = &FileProtocolVtbl;
 363     ret->lpInternetPriorityVtbl = &FilePriorityVtbl;
 364     ret->file = NULL;
 365     ret->priority = 0;
 366     ret->ref = 1;
 367
 368     *ppobj = PROTOCOL(ret);
 369
 370     return S_OK;
 371 }