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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  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
  37     HANDLE file;
  38
  39     LONG ref;
  40 } FileProtocol;
  41
  42 #define PROTOCOL_THIS(iface) DEFINE_THIS(FileProtocol, InternetProtocol, iface)
  43
  44 #define PROTOCOL(x)  ((IInternetProtocol*)  &(x)->lpInternetProtocolVtbl)
  45
  46 static HRESULT WINAPI FileProtocol_QueryInterface(IInternetProtocol *iface, REFIID riid, void **ppv)
  47 {
  48     FileProtocol *This = PROTOCOL_THIS(iface);
  49
  50     *ppv = NULL;
  51     if(IsEqualGUID(&IID_IUnknown, riid)) {
  52         TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv);
  53         *ppv = PROTOCOL(This);
  54     }else if(IsEqualGUID(&IID_IInternetProtocolRoot, riid)) {
  55         TRACE("(%p)->(IID_IInternetProtocolRoot %p)\n", This, ppv);
  56         *ppv = PROTOCOL(This);
  57     }else if(IsEqualGUID(&IID_IInternetProtocol, riid)) {
  58         TRACE("(%p)->(IID_IInternetProtocol %p)\n", This, ppv);
  59         *ppv = PROTOCOL(This);
  60     }
  61
  62     if(*ppv) {
  63         IInternetProtocol_AddRef(iface);
  64         return S_OK;
  65     }
  66
  67     WARN("not supported interface %s\n", debugstr_guid(riid));
  68     return E_NOINTERFACE;
  69 }
  70
  71 static ULONG WINAPI FileProtocol_AddRef(IInternetProtocol *iface)
  72 {
  73     FileProtocol *This = PROTOCOL_THIS(iface);
  74     LONG ref = InterlockedIncrement(&This->ref);
  75     TRACE("(%p) ref=%ld\n", This, ref);
  76     return ref;
  77 }
  78
  79 static ULONG WINAPI FileProtocol_Release(IInternetProtocol *iface)
  80 {
  81     FileProtocol *This = PROTOCOL_THIS(iface);
  82     LONG ref = InterlockedDecrement(&This->ref);
  83
  84     TRACE("(%p) ref=%ld\n", This, ref);
  85
  86     if(!ref) {
  87         if(This->file)
  88             CloseHandle(This->file);
  89         HeapFree(GetProcessHeap(), 0, This);
  90
  91         URLMON_UnlockModule();
  92     }
  93
  94     return ref;
  95 }
  96
  97 static HRESULT WINAPI FileProtocol_Start(IInternetProtocol *iface, LPCWSTR szUrl,
  98         IInternetProtocolSink *pOIProtSink, IInternetBindInfo *pOIBindInfo,
  99         DWORD grfPI, DWORD dwReserved)
 100 {
 101     FileProtocol *This = PROTOCOL_THIS(iface);
 102     BINDINFO bindinfo;
 103     DWORD grfBINDF = 0;
 104     LARGE_INTEGER size;
 105     DWORD len;
 106     LPWSTR url, mime = NULL;
 107     HRESULT hres;
 108
 109     static const WCHAR wszFile[]  = {'f','i','l','e',':'};
 110
 111     TRACE("(%p)->(%s %p %p %08lx %ld)\n", This, debugstr_w(szUrl), pOIProtSink,
 112             pOIBindInfo, grfPI, dwReserved);
 113
 114     memset(&bindinfo, 0, sizeof(bindinfo));
 115     bindinfo.cbSize = sizeof(BINDINFO);
 116     IInternetBindInfo_GetBindInfo(pOIBindInfo, &grfBINDF, &bindinfo);
 117
 118     if(lstrlenW(szUrl) < sizeof(wszFile)/sizeof(WCHAR)
 119             || memcmp(szUrl, wszFile, sizeof(wszFile)))
 120         return MK_E_SYNTAX;
 121
 122     len = lstrlenW(szUrl)+16;
 123     url = HeapAlloc(GetProcessHeap(), 0, len*sizeof(WCHAR));
 124     hres = CoInternetParseUrl(szUrl, PARSE_ENCODE, 0, url, len, &len, 0);
 125     if(FAILED(hres)) {
 126         HeapFree(GetProcessHeap(), 0, url);
 127         return hres;
 128     }
 129
 130     hres = FindMimeFromData(NULL, url, NULL, 0, NULL, 0, &mime, 0);
 131     if(SUCCEEDED(hres))
 132         IInternetProtocolSink_ReportProgress(pOIProtSink, BINDSTATUS_DIRECTBIND, mime);
 133
 134     if(!This->file) {
 135         This->file = CreateFileW(url+sizeof(wszFile)/sizeof(WCHAR), GENERIC_READ, FILE_SHARE_READ,
 136                 NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
 137
 138         if(This->file == INVALID_HANDLE_VALUE) {
 139             This->file = NULL;
 140             IInternetProtocolSink_ReportResult(pOIProtSink, INET_E_RESOURCE_NOT_FOUND,
 141                     GetLastError(), NULL);
 142             HeapFree(GetProcessHeap(), 0, url);
 143             CoTaskMemFree(mime);
 144             return INET_E_RESOURCE_NOT_FOUND;
 145         }
 146
 147         IInternetProtocolSink_ReportProgress(pOIProtSink, BINDSTATUS_CACHEFILENAMEAVAILABLE,
 148                 url+sizeof(wszFile)/sizeof(WCHAR));
 149         if(mime)
 150             IInternetProtocolSink_ReportProgress(pOIProtSink, BINDSTATUS_MIMETYPEAVAILABLE, mime);
 151         IInternetProtocolSink_ReportResult(pOIProtSink, S_OK, 0, NULL);
 152     }
 153
 154     CoTaskMemFree(mime);
 155     HeapFree(GetProcessHeap(), 0, url);
 156
 157     if(GetFileSizeEx(This->file, &size))
 158         IInternetProtocolSink_ReportData(pOIProtSink,
 159                 BSCF_FIRSTDATANOTIFICATION|BSCF_LASTDATANOTIFICATION,
 160                 size.u.LowPart, size.u.LowPart);
 161
 162     return S_OK;
 163 }
 164
 165 static HRESULT WINAPI FileProtocol_Continue(IInternetProtocol *iface, PROTOCOLDATA *pProtocolData)
 166 {
 167     FileProtocol *This = PROTOCOL_THIS(iface);
 168     FIXME("(%p)->(%p)\n", This, pProtocolData);
 169     return E_NOTIMPL;
 170 }
 171
 172 static HRESULT WINAPI FileProtocol_Abort(IInternetProtocol *iface, HRESULT hrReason,
 173         DWORD dwOptions)
 174 {
 175     FileProtocol *This = PROTOCOL_THIS(iface);
 176     FIXME("(%p)->(%08lx %08lx)\n", This, hrReason, dwOptions);
 177     return E_NOTIMPL;
 178 }
 179
 180 static HRESULT WINAPI FileProtocol_Terminate(IInternetProtocol *iface, DWORD dwOptions)
 181 {
 182     FileProtocol *This = PROTOCOL_THIS(iface);
 183
 184     TRACE("(%p)->(%08lx)\n", This, dwOptions);
 185
 186     return S_OK;
 187 }
 188
 189 static HRESULT WINAPI FileProtocol_Suspend(IInternetProtocol *iface)
 190 {
 191     FileProtocol *This = PROTOCOL_THIS(iface);
 192     FIXME("(%p)\n", This);
 193     return E_NOTIMPL;
 194 }
 195
 196 static HRESULT WINAPI FileProtocol_Resume(IInternetProtocol *iface)
 197 {
 198     FileProtocol *This = PROTOCOL_THIS(iface);
 199     FIXME("(%p)\n", This);
 200     return E_NOTIMPL;
 201 }
 202
 203 static HRESULT WINAPI FileProtocol_Read(IInternetProtocol *iface, void *pv,
 204         ULONG cb, ULONG *pcbRead)
 205 {
 206     FileProtocol *This = PROTOCOL_THIS(iface);
 207     DWORD read = 0;
 208
 209     TRACE("(%p)->(%p %lu %p)\n", This, pv, cb, pcbRead);
 210
 211     if(!This->file)
 212         return INET_E_DATA_NOT_AVAILABLE;
 213
 214     ReadFile(This->file, pv, cb, &read, NULL);
 215
 216     if(pcbRead)
 217         *pcbRead = read;
 218
 219     return cb == read ? S_OK : S_FALSE;
 220 }
 221
 222 static HRESULT WINAPI FileProtocol_Seek(IInternetProtocol *iface, LARGE_INTEGER dlibMove,
 223         DWORD dwOrgin, ULARGE_INTEGER *plibNewPosition)
 224 {
 225     FileProtocol *This = PROTOCOL_THIS(iface);
 226     FIXME("(%p)->(%ld %ld %p)\n", This, dlibMove.u.LowPart, dwOrgin, plibNewPosition);
 227     return E_NOTIMPL;
 228 }
 229
 230 static HRESULT WINAPI FileProtocol_LockRequest(IInternetProtocol *iface, DWORD dwOptions)
 231 {
 232     FileProtocol *This = PROTOCOL_THIS(iface);
 233
 234     TRACE("(%p)->(%08lx)\n", This, dwOptions);
 235
 236     return S_OK;
 237 }
 238
 239 static HRESULT WINAPI FileProtocol_UnlockRequest(IInternetProtocol *iface)
 240 {
 241     FileProtocol *This = PROTOCOL_THIS(iface);
 242
 243     TRACE("(%p)\n", This);
 244
 245     return S_OK;
 246 }
 247
 248 #undef PROTOCOL_THIS
 249
 250 static const IInternetProtocolVtbl FileProtocolVtbl = {
 251     FileProtocol_QueryInterface,
 252     FileProtocol_AddRef,
 253     FileProtocol_Release,
 254     FileProtocol_Start,
 255     FileProtocol_Continue,
 256     FileProtocol_Abort,
 257     FileProtocol_Terminate,
 258     FileProtocol_Suspend,
 259     FileProtocol_Resume,
 260     FileProtocol_Read,
 261     FileProtocol_Seek,
 262     FileProtocol_LockRequest,
 263     FileProtocol_UnlockRequest
 264 };
 265
 266 HRESULT FileProtocol_Construct(IUnknown *pUnkOuter, LPVOID *ppobj)
 267 {
 268     FileProtocol *ret;
 269
 270     TRACE("(%p %p)\n", pUnkOuter, ppobj);
 271
 272     URLMON_LockModule();
 273
 274     ret = HeapAlloc(GetProcessHeap(), 0, sizeof(FileProtocol));
 275
 276     ret->lpInternetProtocolVtbl = &FileProtocolVtbl;
 277     ret->file = NULL;
 278     ret->ref = 1;
 279
 280     *ppobj = PROTOCOL(ret);
 281
 282     return S_OK;
 283 }