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 <stdarg.h>
  20
  21 #define COBJMACROS
  22
  23 #include "windef.h"
  24 #include "winbase.h"
  25 #include "winuser.h"
  26 #include "ole2.h"
  27 #include "urlmon.h"
  28 #include "urlmon_main.h"
  29
  30 #include "wine/debug.h"
  31
  32 WINE_DEFAULT_DEBUG_CHANNEL(urlmon);
  33
  34 typedef struct {
  35     const IInternetProtocolVtbl  *lpInternetProtocolVtbl;
  36     const IInternetPriorityVtbl  *lpInternetPriorityVtbl;
  37
  38     HANDLE file;
  39     LONG priority;
  40
  41     LONG ref;
  42 } FileProtocol;
  43
  44 #define PROTOCOL(x)  ((IInternetProtocol*)  &(x)->lpInternetProtocolVtbl)
  45 #define PRIORITY(x)  ((IInternetPriority*)  &(x)->lpInternetPriorityVtbl)
  46
  47 #define PROTOCOL_THIS(iface) DEFINE_THIS(FileProtocol, InternetProtocol, iface)
  48
  49 static HRESULT WINAPI FileProtocol_QueryInterface(IInternetProtocol *iface, REFIID riid, void **ppv)
  50 {
  51     FileProtocol *This = PROTOCOL_THIS(iface);
  52
  53     *ppv = NULL;
  54     if(IsEqualGUID(&IID_IUnknown, riid)) {
  55         TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv);
  56         *ppv = PROTOCOL(This);
  57     }else if(IsEqualGUID(&IID_IInternetProtocolRoot, riid)) {
  58         TRACE("(%p)->(IID_IInternetProtocolRoot %p)\n", This, ppv);
  59         *ppv = PROTOCOL(This);
  60     }else if(IsEqualGUID(&IID_IInternetProtocol, riid)) {
  61         TRACE("(%p)->(IID_IInternetProtocol %p)\n", This, ppv);
  62         *ppv = PROTOCOL(This);
  63     }else if(IsEqualGUID(&IID_IInternetPriority, riid)) {
  64         TRACE("(%p)->(IID_IInternetPriority %p)\n", This, ppv);
  65         *ppv = PRIORITY(This);
  66     }
  67
  68     if(*ppv) {
  69         IInternetProtocol_AddRef(iface);
  70         return S_OK;
  71     }
  72
  73     WARN("not supported interface %s\n", debugstr_guid(riid));
  74     return E_NOINTERFACE;
  75 }
  76
  77 static ULONG WINAPI FileProtocol_AddRef(IInternetProtocol *iface)
  78 {
  79     FileProtocol *This = PROTOCOL_THIS(iface);
  80     LONG ref = InterlockedIncrement(&This->ref);
  81     TRACE("(%p) ref=%d\n", This, ref);
  82     return ref;
  83 }
  84
  85 static ULONG WINAPI FileProtocol_Release(IInternetProtocol *iface)
  86 {
  87     FileProtocol *This = PROTOCOL_THIS(iface);
  88     LONG ref = InterlockedDecrement(&This->ref);
  89
  90     TRACE("(%p) ref=%d\n", This, ref);
  91
  92     if(!ref) {
  93         if(This->file)
  94             CloseHandle(This->file);
  95         HeapFree(GetProcessHeap(), 0, This);
  96
  97         URLMON_UnlockModule();
  98     }
  99
 100     return ref;
 101 }
 102
 103 static HRESULT WINAPI FileProtocol_Start(IInternetProtocol *iface, LPCWSTR szUrl,
 104         IInternetProtocolSink *pOIProtSink, IInternetBindInfo *pOIBindInfo,
 105         DWORD grfPI, DWORD dwReserved)
 106 {
 107     FileProtocol *This = PROTOCOL_THIS(iface);
 108     BINDINFO bindinfo;
 109     DWORD grfBINDF = 0;
 110     LARGE_INTEGER size;
 111     DWORD len;
 112     LPWSTR url, mime = NULL;
 113     LPCWSTR file_name;
 114     WCHAR null_char = 0;
 115     BOOL first_call = FALSE;
 116     HRESULT hres;
 117
 118     static const WCHAR wszFile[]  = {'f','i','l','e',':'};
 119
 120     TRACE("(%p)->(%s %p %p %08x %d)\n", This, debugstr_w(szUrl), pOIProtSink,
 121             pOIBindInfo, grfPI, dwReserved);
 122
 123     memset(&bindinfo, 0, sizeof(bindinfo));
 124     bindinfo.cbSize = sizeof(BINDINFO);
 125     IInternetBindInfo_GetBindInfo(pOIBindInfo, &grfBINDF, &bindinfo);
 126
 127     if(lstrlenW(szUrl) < sizeof(wszFile)/sizeof(WCHAR)
 128             || memcmp(szUrl, wszFile, sizeof(wszFile)))
 129         return MK_E_SYNTAX;
 130
 131     len = lstrlenW(szUrl)+16;
 132     url = HeapAlloc(GetProcessHeap(), 0, len*sizeof(WCHAR));
 133     hres = CoInternetParseUrl(szUrl, PARSE_ENCODE, 0, url, len, &len, 0);
 134     if(FAILED(hres)) {
 135         HeapFree(GetProcessHeap(), 0, url);
 136         return hres;
 137     }
 138
 139     if(!(grfBINDF & BINDF_FROMURLMON))
 140         IInternetProtocolSink_ReportProgress(pOIProtSink, BINDSTATUS_DIRECTBIND, NULL);
 141
 142     if(!This->file) {
 143         first_call = TRUE;
 144
 145         IInternetProtocolSink_ReportProgress(pOIProtSink, BINDSTATUS_SENDINGREQUEST, &null_char);
 146
 147         file_name = url+sizeof(wszFile)/sizeof(WCHAR);
 148         if(file_name[0] == '/' && file_name[1] == '/')
 149             file_name += 2;
 150         if(*file_name == '/')
 151             file_name++;
 152
 153         This->file = CreateFileW(file_name, GENERIC_READ, FILE_SHARE_READ, NULL,
 154                                  OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
 155
 156         if(This->file == INVALID_HANDLE_VALUE) {
 157             This->file = NULL;
 158             IInternetProtocolSink_ReportResult(pOIProtSink, INET_E_RESOURCE_NOT_FOUND,
 159                     GetLastError(), NULL);
 160             HeapFree(GetProcessHeap(), 0, url);
 161             return INET_E_RESOURCE_NOT_FOUND;
 162         }
 163
 164         IInternetProtocolSink_ReportProgress(pOIProtSink,
 165                 BINDSTATUS_CACHEFILENAMEAVAILABLE, file_name);
 166
 167         hres = FindMimeFromData(NULL, url, NULL, 0, NULL, 0, &mime, 0);
 168         if(SUCCEEDED(hres)) {
 169             IInternetProtocolSink_ReportProgress(pOIProtSink,
 170                     (grfBINDF & BINDF_FROMURLMON) ?
 171                     BINDSTATUS_VERIFIEDMIMETYPEAVAILABLE : BINDSTATUS_MIMETYPEAVAILABLE,
 172                     mime);
 173             CoTaskMemFree(mime);
 174         }
 175     }
 176
 177     HeapFree(GetProcessHeap(), 0, url);
 178
 179     if(GetFileSizeEx(This->file, &size))
 180         IInternetProtocolSink_ReportData(pOIProtSink,
 181                 BSCF_FIRSTDATANOTIFICATION|BSCF_LASTDATANOTIFICATION,
 182                 size.u.LowPart, size.u.LowPart);
 183
 184     if(first_call)
 185         IInternetProtocolSink_ReportResult(pOIProtSink, S_OK, 0, NULL);
 186
 187     return S_OK;
 188 }
 189
 190 static HRESULT WINAPI FileProtocol_Continue(IInternetProtocol *iface, PROTOCOLDATA *pProtocolData)
 191 {
 192     FileProtocol *This = PROTOCOL_THIS(iface);
 193     FIXME("(%p)->(%p)\n", This, pProtocolData);
 194     return E_NOTIMPL;
 195 }
 196
 197 static HRESULT WINAPI FileProtocol_Abort(IInternetProtocol *iface, HRESULT hrReason,
 198         DWORD dwOptions)
 199 {
 200     FileProtocol *This = PROTOCOL_THIS(iface);
 201     FIXME("(%p)->(%08x %08x)\n", This, hrReason, dwOptions);
 202     return E_NOTIMPL;
 203 }
 204
 205 static HRESULT WINAPI FileProtocol_Terminate(IInternetProtocol *iface, DWORD dwOptions)
 206 {
 207     FileProtocol *This = PROTOCOL_THIS(iface);
 208
 209     TRACE("(%p)->(%08x)\n", This, dwOptions);
 210
 211     return S_OK;
 212 }
 213
 214 static HRESULT WINAPI FileProtocol_Suspend(IInternetProtocol *iface)
 215 {
 216     FileProtocol *This = PROTOCOL_THIS(iface);
 217     FIXME("(%p)\n", This);
 218     return E_NOTIMPL;
 219 }
 220
 221 static HRESULT WINAPI FileProtocol_Resume(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_Read(IInternetProtocol *iface, void *pv,
 229         ULONG cb, ULONG *pcbRead)
 230 {
 231     FileProtocol *This = PROTOCOL_THIS(iface);
 232     DWORD read = 0;
 233
 234     TRACE("(%p)->(%p %u %p)\n", This, pv, cb, pcbRead);
 235
 236     if(!This->file)
 237         return INET_E_DATA_NOT_AVAILABLE;
 238
 239     ReadFile(This->file, pv, cb, &read, NULL);
 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 = HeapAlloc(GetProcessHeap(), 0, 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 }