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     WCHAR null_char = 0;
 108     HRESULT hres;
 109
 110     static const WCHAR wszFile[]  = {'f','i','l','e',':'};
 111
 112     TRACE("(%p)->(%s %p %p %08lx %ld)\n", This, debugstr_w(szUrl), pOIProtSink,
 113             pOIBindInfo, grfPI, dwReserved);
 114
 115     memset(&bindinfo, 0, sizeof(bindinfo));
 116     bindinfo.cbSize = sizeof(BINDINFO);
 117     IInternetBindInfo_GetBindInfo(pOIBindInfo, &grfBINDF, &bindinfo);
 118
 119     if(lstrlenW(szUrl) < sizeof(wszFile)/sizeof(WCHAR)
 120             || memcmp(szUrl, wszFile, sizeof(wszFile)))
 121         return MK_E_SYNTAX;
 122
 123     len = lstrlenW(szUrl)+16;
 124     url = HeapAlloc(GetProcessHeap(), 0, len*sizeof(WCHAR));
 125     hres = CoInternetParseUrl(szUrl, PARSE_ENCODE, 0, url, len, &len, 0);
 126     if(FAILED(hres)) {
 127         HeapFree(GetProcessHeap(), 0, url);
 128         return hres;
 129     }
 130
 131     hres = FindMimeFromData(NULL, url, NULL, 0, NULL, 0, &mime, 0);
 132     if(SUCCEEDED(hres))
 133         IInternetProtocolSink_ReportProgress(pOIProtSink, BINDSTATUS_DIRECTBIND, mime);
 134
 135     if(!This->file) {
 136         IInternetProtocolSink_ReportProgress(pOIProtSink, BINDSTATUS_SENDINGREQUEST, &null_char);
 137
 138         This->file = CreateFileW(url+sizeof(wszFile)/sizeof(WCHAR), GENERIC_READ, FILE_SHARE_READ,
 139                 NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
 140
 141         if(This->file == INVALID_HANDLE_VALUE) {
 142             This->file = NULL;
 143             IInternetProtocolSink_ReportResult(pOIProtSink, INET_E_RESOURCE_NOT_FOUND,
 144                     GetLastError(), NULL);
 145             HeapFree(GetProcessHeap(), 0, url);
 146             CoTaskMemFree(mime);
 147             return INET_E_RESOURCE_NOT_FOUND;
 148         }
 149
 150         IInternetProtocolSink_ReportProgress(pOIProtSink, BINDSTATUS_CACHEFILENAMEAVAILABLE,
 151                 url+sizeof(wszFile)/sizeof(WCHAR));
 152         if(mime)
 153             IInternetProtocolSink_ReportProgress(pOIProtSink, BINDSTATUS_MIMETYPEAVAILABLE, mime);
 154         IInternetProtocolSink_ReportResult(pOIProtSink, S_OK, 0, NULL);
 155     }
 156
 157     CoTaskMemFree(mime);
 158     HeapFree(GetProcessHeap(), 0, url);
 159
 160     if(GetFileSizeEx(This->file, &size))
 161         IInternetProtocolSink_ReportData(pOIProtSink,
 162                 BSCF_FIRSTDATANOTIFICATION|BSCF_LASTDATANOTIFICATION,
 163                 size.u.LowPart, size.u.LowPart);
 164
 165     return S_OK;
 166 }
 167
 168 static HRESULT WINAPI FileProtocol_Continue(IInternetProtocol *iface, PROTOCOLDATA *pProtocolData)
 169 {
 170     FileProtocol *This = PROTOCOL_THIS(iface);
 171     FIXME("(%p)->(%p)\n", This, pProtocolData);
 172     return E_NOTIMPL;
 173 }
 174
 175 static HRESULT WINAPI FileProtocol_Abort(IInternetProtocol *iface, HRESULT hrReason,
 176         DWORD dwOptions)
 177 {
 178     FileProtocol *This = PROTOCOL_THIS(iface);
 179     FIXME("(%p)->(%08lx %08lx)\n", This, hrReason, dwOptions);
 180     return E_NOTIMPL;
 181 }
 182
 183 static HRESULT WINAPI FileProtocol_Terminate(IInternetProtocol *iface, DWORD dwOptions)
 184 {
 185     FileProtocol *This = PROTOCOL_THIS(iface);
 186
 187     TRACE("(%p)->(%08lx)\n", This, dwOptions);
 188
 189     return S_OK;
 190 }
 191
 192 static HRESULT WINAPI FileProtocol_Suspend(IInternetProtocol *iface)
 193 {
 194     FileProtocol *This = PROTOCOL_THIS(iface);
 195     FIXME("(%p)\n", This);
 196     return E_NOTIMPL;
 197 }
 198
 199 static HRESULT WINAPI FileProtocol_Resume(IInternetProtocol *iface)
 200 {
 201     FileProtocol *This = PROTOCOL_THIS(iface);
 202     FIXME("(%p)\n", This);
 203     return E_NOTIMPL;
 204 }
 205
 206 static HRESULT WINAPI FileProtocol_Read(IInternetProtocol *iface, void *pv,
 207         ULONG cb, ULONG *pcbRead)
 208 {
 209     FileProtocol *This = PROTOCOL_THIS(iface);
 210     DWORD read = 0;
 211
 212     TRACE("(%p)->(%p %lu %p)\n", This, pv, cb, pcbRead);
 213
 214     if(!This->file)
 215         return INET_E_DATA_NOT_AVAILABLE;
 216
 217     ReadFile(This->file, pv, cb, &read, NULL);
 218
 219     if(pcbRead)
 220         *pcbRead = read;
 221
 222     return cb == read ? S_OK : S_FALSE;
 223 }
 224
 225 static HRESULT WINAPI FileProtocol_Seek(IInternetProtocol *iface, LARGE_INTEGER dlibMove,
 226         DWORD dwOrgin, ULARGE_INTEGER *plibNewPosition)
 227 {
 228     FileProtocol *This = PROTOCOL_THIS(iface);
 229     FIXME("(%p)->(%ld %ld %p)\n", This, dlibMove.u.LowPart, dwOrgin, plibNewPosition);
 230     return E_NOTIMPL;
 231 }
 232
 233 static HRESULT WINAPI FileProtocol_LockRequest(IInternetProtocol *iface, DWORD dwOptions)
 234 {
 235     FileProtocol *This = PROTOCOL_THIS(iface);
 236
 237     TRACE("(%p)->(%08lx)\n", This, dwOptions);
 238
 239     return S_OK;
 240 }
 241
 242 static HRESULT WINAPI FileProtocol_UnlockRequest(IInternetProtocol *iface)
 243 {
 244     FileProtocol *This = PROTOCOL_THIS(iface);
 245
 246     TRACE("(%p)\n", This);
 247
 248     return S_OK;
 249 }
 250
 251 #undef PROTOCOL_THIS
 252
 253 static const IInternetProtocolVtbl FileProtocolVtbl = {
 254     FileProtocol_QueryInterface,
 255     FileProtocol_AddRef,
 256     FileProtocol_Release,
 257     FileProtocol_Start,
 258     FileProtocol_Continue,
 259     FileProtocol_Abort,
 260     FileProtocol_Terminate,
 261     FileProtocol_Suspend,
 262     FileProtocol_Resume,
 263     FileProtocol_Read,
 264     FileProtocol_Seek,
 265     FileProtocol_LockRequest,
 266     FileProtocol_UnlockRequest
 267 };
 268
 269 HRESULT FileProtocol_Construct(IUnknown *pUnkOuter, LPVOID *ppobj)
 270 {
 271     FileProtocol *ret;
 272
 273     TRACE("(%p %p)\n", pUnkOuter, ppobj);
 274
 275     URLMON_LockModule();
 276
 277     ret = HeapAlloc(GetProcessHeap(), 0, sizeof(FileProtocol));
 278
 279     ret->lpInternetProtocolVtbl = &FileProtocolVtbl;
 280     ret->file = NULL;
 281     ret->ref = 1;
 282
 283     *ppobj = PROTOCOL(ret);
 284
 285     return S_OK;
 286 }