dlls/urlmon/download.c

   1 /*
   2  * Copyright 2008 Jacek Caban for CodeWeavers
   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 IBindStatusCallbackVtbl  *lpBindStatusCallbackVtbl;
  26     const IServiceProviderVtbl     *lpServiceProviderVtbl;
  27
  28     LONG ref;
  29
  30     IBindStatusCallback *callback;
  31     LPWSTR file_name;
  32     LPWSTR cache_file;
  33 } DownloadBSC;
  34
  35 #define STATUSCLB(x)     ((IBindStatusCallback*)  &(x)->lpBindStatusCallbackVtbl)
  36 #define SERVPROV(x)      ((IServiceProvider*)     &(x)->lpServiceProviderVtbl)
  37
  38 #define STATUSCLB_THIS(iface) DEFINE_THIS(DownloadBSC, BindStatusCallback, iface)
  39
  40 static HRESULT WINAPI DownloadBSC_QueryInterface(IBindStatusCallback *iface,
  41         REFIID riid, void **ppv)
  42 {
  43     DownloadBSC *This = STATUSCLB_THIS(iface);
  44
  45     *ppv = NULL;
  46
  47     if(IsEqualGUID(&IID_IUnknown, riid)) {
  48         TRACE("(%p)->(IID_IUnknown, %p)\n", This, ppv);
  49         *ppv = STATUSCLB(This);
  50     }else if(IsEqualGUID(&IID_IBindStatusCallback, riid)) {
  51         TRACE("(%p)->(IID_IBindStatusCallback, %p)\n", This, ppv);
  52         *ppv = STATUSCLB(This);
  53     }else if(IsEqualGUID(&IID_IServiceProvider, riid)) {
  54         TRACE("(%p)->(IID_IServiceProvider, %p)\n", This, ppv);
  55         *ppv = SERVPROV(This);
  56     }
  57
  58     if(*ppv) {
  59         IBindStatusCallback_AddRef((IUnknown*)*ppv);
  60         return S_OK;
  61     }
  62
  63     TRACE("Unsupported riid = %s\n", debugstr_guid(riid));
  64     return E_NOINTERFACE;
  65 }
  66
  67 static ULONG WINAPI DownloadBSC_AddRef(IBindStatusCallback *iface)
  68 {
  69     DownloadBSC *This = STATUSCLB_THIS(iface);
  70     LONG ref = InterlockedIncrement(&This->ref);
  71
  72     TRACE("(%p) ref = %d\n", This, ref);
  73
  74     return ref;
  75 }
  76
  77 static ULONG WINAPI DownloadBSC_Release(IBindStatusCallback *iface)
  78 {
  79     DownloadBSC *This = STATUSCLB_THIS(iface);
  80     LONG ref = InterlockedDecrement(&This->ref);
  81
  82     TRACE("(%p) ref = %d\n", This, ref);
  83
  84     if(!ref) {
  85         if(This->callback)
  86             IBindStatusCallback_Release(This->callback);
  87         heap_free(This->file_name);
  88         heap_free(This->cache_file);
  89         heap_free(This);
  90     }
  91
  92     return ref;
  93 }
  94
  95 static HRESULT WINAPI DownloadBSC_OnStartBinding(IBindStatusCallback *iface,
  96         DWORD dwReserved, IBinding *pbind)
  97 {
  98     DownloadBSC *This = STATUSCLB_THIS(iface);
  99
 100     TRACE("(%p)->(%d %p)\n", This, dwReserved, pbind);
 101
 102     if(This->callback)
 103         IBindStatusCallback_OnStartBinding(This->callback, dwReserved, pbind);
 104
 105     return S_OK;
 106 }
 107
 108 static HRESULT WINAPI DownloadBSC_GetPriority(IBindStatusCallback *iface, LONG *pnPriority)
 109 {
 110     DownloadBSC *This = STATUSCLB_THIS(iface);
 111     FIXME("(%p)->(%p)\n", This, pnPriority);
 112     return E_NOTIMPL;
 113 }
 114
 115 static HRESULT WINAPI DownloadBSC_OnLowResource(IBindStatusCallback *iface, DWORD reserved)
 116 {
 117     DownloadBSC *This = STATUSCLB_THIS(iface);
 118     FIXME("(%p)->(%d)\n", This, reserved);
 119     return E_NOTIMPL;
 120 }
 121
 122 static void on_progress(DownloadBSC *This, ULONG progress, ULONG progress_max, ULONG status_code, LPCWSTR status_text)
 123 {
 124     HRESULT hres;
 125
 126     if(!This->callback)
 127         return;
 128
 129     hres = IBindStatusCallback_OnProgress(This->callback, progress, progress_max, status_code, status_text);
 130     if(FAILED(hres))
 131         FIXME("OnProgress failed: %08x\n", hres);
 132 }
 133
 134 static HRESULT WINAPI DownloadBSC_OnProgress(IBindStatusCallback *iface, ULONG ulProgress,
 135         ULONG ulProgressMax, ULONG ulStatusCode, LPCWSTR szStatusText)
 136 {
 137     DownloadBSC *This = STATUSCLB_THIS(iface);
 138
 139     TRACE("%p)->(%u %u %u %s)\n", This, ulProgress, ulProgressMax, ulStatusCode,
 140             debugstr_w(szStatusText));
 141
 142     switch(ulStatusCode) {
 143     case BINDSTATUS_BEGINDOWNLOADDATA:
 144     case BINDSTATUS_DOWNLOADINGDATA:
 145     case BINDSTATUS_ENDDOWNLOADDATA:
 146     case BINDSTATUS_SENDINGREQUEST:
 147     case BINDSTATUS_MIMETYPEAVAILABLE:
 148         on_progress(This, ulProgress, ulProgressMax, ulStatusCode, szStatusText);
 149         break;
 150
 151     case BINDSTATUS_CACHEFILENAMEAVAILABLE:
 152         on_progress(This, ulProgress, ulProgressMax, ulStatusCode, szStatusText);
 153         This->cache_file = heap_strdupW(szStatusText);
 154         break;
 155
 156     case BINDSTATUS_FINDINGRESOURCE:
 157     case BINDSTATUS_CONNECTING:
 158         break;
 159
 160     default:
 161         FIXME("Unsupported status %u\n", ulStatusCode);
 162     }
 163
 164     return S_OK;
 165 }
 166
 167 static HRESULT WINAPI DownloadBSC_OnStopBinding(IBindStatusCallback *iface,
 168         HRESULT hresult, LPCWSTR szError)
 169 {
 170     DownloadBSC *This = STATUSCLB_THIS(iface);
 171
 172     TRACE("(%p)->(%08x %s)\n", This, hresult, debugstr_w(szError));
 173
 174     if(This->cache_file) {
 175         BOOL b;
 176
 177         b = CopyFileW(This->cache_file, This->file_name, FALSE);
 178         if(!b)
 179             FIXME("CopyFile failed: %u\n", GetLastError());
 180     }else {
 181         FIXME("No cache file\n");
 182     }
 183
 184     if(This->callback)
 185         IBindStatusCallback_OnStopBinding(This->callback, hresult, szError);
 186
 187     return S_OK;
 188 }
 189
 190 static HRESULT WINAPI DownloadBSC_GetBindInfo(IBindStatusCallback *iface,
 191         DWORD *grfBINDF, BINDINFO *pbindinfo)
 192 {
 193     DownloadBSC *This = STATUSCLB_THIS(iface);
 194     DWORD bindf = 0;
 195
 196     TRACE("(%p)->(%p %p)\n", This, grfBINDF, pbindinfo);
 197
 198     if(This->callback) {
 199         BINDINFO bindinfo;
 200         HRESULT hres;
 201
 202         memset(&bindinfo, 0, sizeof(bindinfo));
 203         bindinfo.cbSize = sizeof(bindinfo);
 204
 205         hres = IBindStatusCallback_GetBindInfo(This->callback, &bindf, &bindinfo);
 206         if(SUCCEEDED(hres))
 207             ReleaseBindInfo(&bindinfo);
 208     }
 209
 210     *grfBINDF = BINDF_PULLDATA | BINDF_NEEDFILE | (bindf & BINDF_ENFORCERESTRICTED);
 211     return S_OK;
 212 }
 213
 214 static HRESULT WINAPI DownloadBSC_OnDataAvailable(IBindStatusCallback *iface,
 215         DWORD grfBSCF, DWORD dwSize, FORMATETC *pformatetc, STGMEDIUM *pstgmed)
 216 {
 217     DownloadBSC *This = STATUSCLB_THIS(iface);
 218
 219     TRACE("(%p)->(%08x %d %p %p)\n", This, grfBSCF, dwSize, pformatetc, pstgmed);
 220
 221     return S_OK;
 222 }
 223
 224 static HRESULT WINAPI DownloadBSC_OnObjectAvailable(IBindStatusCallback *iface,
 225         REFIID riid, IUnknown *punk)
 226 {
 227     DownloadBSC *This = STATUSCLB_THIS(iface);
 228     FIXME("(%p)->(%s %p)\n", This, debugstr_guid(riid), punk);
 229     return E_NOTIMPL;
 230 }
 231
 232 #undef STATUSCLB_THIS
 233
 234 static const IBindStatusCallbackVtbl BindStatusCallbackVtbl = {
 235     DownloadBSC_QueryInterface,
 236     DownloadBSC_AddRef,
 237     DownloadBSC_Release,
 238     DownloadBSC_OnStartBinding,
 239     DownloadBSC_GetPriority,
 240     DownloadBSC_OnLowResource,
 241     DownloadBSC_OnProgress,
 242     DownloadBSC_OnStopBinding,
 243     DownloadBSC_GetBindInfo,
 244     DownloadBSC_OnDataAvailable,
 245     DownloadBSC_OnObjectAvailable
 246 };
 247
 248 #define SERVPROV_THIS(iface) DEFINE_THIS(DownloadBSC, ServiceProvider, iface)
 249
 250 static HRESULT WINAPI DwlServiceProvider_QueryInterface(IServiceProvider *iface,
 251         REFIID riid, void **ppv)
 252 {
 253     DownloadBSC *This = SERVPROV_THIS(iface);
 254     return IBindStatusCallback_QueryInterface(STATUSCLB(This), riid, ppv);
 255 }
 256
 257 static ULONG WINAPI DwlServiceProvider_AddRef(IServiceProvider *iface)
 258 {
 259     DownloadBSC *This = SERVPROV_THIS(iface);
 260     return IBindStatusCallback_AddRef(STATUSCLB(This));
 261 }
 262
 263 static ULONG WINAPI DwlServiceProvider_Release(IServiceProvider *iface)
 264 {
 265     DownloadBSC *This = SERVPROV_THIS(iface);
 266     return IBindStatusCallback_Release(STATUSCLB(This));
 267 }
 268
 269 static HRESULT WINAPI DwlServiceProvider_QueryService(IServiceProvider *iface,
 270         REFGUID guidService, REFIID riid, void **ppv)
 271 {
 272     DownloadBSC *This = SERVPROV_THIS(iface);
 273     IServiceProvider *serv_prov;
 274     HRESULT hres;
 275
 276     TRACE("(%p)->(%s %s %p)\n", This, debugstr_guid(guidService), debugstr_guid(riid), ppv);
 277
 278     if(!This->callback)
 279         return E_NOINTERFACE;
 280
 281     hres = IBindStatusCallback_QueryInterface(This->callback, riid, ppv);
 282     if(SUCCEEDED(hres))
 283         return S_OK;
 284
 285     hres = IBindStatusCallback_QueryInterface(This->callback, &IID_IServiceProvider, (void**)&serv_prov);
 286     if(SUCCEEDED(hres)) {
 287         hres = IServiceProvider_QueryService(serv_prov, guidService, riid, ppv);
 288         IServiceProvider_Release(serv_prov);
 289         return hres;
 290     }
 291
 292     return E_NOINTERFACE;
 293 }
 294
 295 #undef SERVPROV_THIS
 296
 297 static const IServiceProviderVtbl ServiceProviderVtbl = {
 298     DwlServiceProvider_QueryInterface,
 299     DwlServiceProvider_AddRef,
 300     DwlServiceProvider_Release,
 301     DwlServiceProvider_QueryService
 302 };
 303
 304 static IBindStatusCallback *DownloadBSC_Create(IBindStatusCallback *callback, LPCWSTR file_name)
 305 {
 306     DownloadBSC *ret = heap_alloc(sizeof(*ret));
 307
 308     ret->lpBindStatusCallbackVtbl = &BindStatusCallbackVtbl;
 309     ret->lpServiceProviderVtbl    = &ServiceProviderVtbl;
 310     ret->ref = 1;
 311     ret->file_name = heap_strdupW(file_name);
 312     ret->cache_file = NULL;
 313
 314     if(callback)
 315         IBindStatusCallback_AddRef(callback);
 316     ret->callback = callback;
 317
 318     return STATUSCLB(ret);
 319 }
 320
 321 /***********************************************************************
 322  *           URLDownloadToFileW (URLMON.@)
 323  *
 324  * Downloads URL szURL to file szFileName and call lpfnCB callback to
 325  * report progress.
 326  *
 327  * PARAMS
 328  *  pCaller    [I] controlling IUnknown interface.
 329  *  szURL      [I] URL of the file to download
 330  *  szFileName [I] file name to store the content of the URL
 331  *  dwReserved [I] reserved - set to 0
 332  *  lpfnCB     [I] callback for progress report
 333  *
 334  * RETURNS
 335  *  S_OK on success
 336  */
 337 HRESULT WINAPI URLDownloadToFileW(LPUNKNOWN pCaller, LPCWSTR szURL, LPCWSTR szFileName,
 338         DWORD dwReserved, LPBINDSTATUSCALLBACK lpfnCB)
 339 {
 340     IBindStatusCallback *callback;
 341     IUnknown *unk;
 342     IMoniker *mon;
 343     IBindCtx *bindctx;
 344     HRESULT hres;
 345
 346     TRACE("(%p %s %s %d %p)\n", pCaller, debugstr_w(szURL), debugstr_w(szFileName), dwReserved, lpfnCB);
 347
 348     if(pCaller)
 349         FIXME("pCaller not supported\n");
 350
 351     callback = DownloadBSC_Create(lpfnCB, szFileName);
 352     hres = CreateAsyncBindCtx(0, callback, NULL, &bindctx);
 353     IBindStatusCallback_Release(callback);
 354     if(FAILED(hres))
 355         return hres;
 356
 357     hres = CreateURLMoniker(NULL, szURL, &mon);
 358     if(FAILED(hres)) {
 359         IBindCtx_Release(bindctx);
 360         return hres;
 361     }
 362
 363     hres = IMoniker_BindToStorage(mon, bindctx, NULL, &IID_IUnknown, (void**)&unk);
 364     IMoniker_Release(mon);
 365     IBindCtx_Release(bindctx);
 366
 367     if(unk)
 368         IUnknown_Release(unk);
 369
 370     return hres == MK_S_ASYNCHRONOUS ? S_OK : hres;
 371 }
 372
 373 /***********************************************************************
 374  *           URLDownloadToFileA (URLMON.@)
 375  *
 376  * Downloads URL szURL to rile szFileName and call lpfnCB callback to
 377  * report progress.
 378  *
 379  * PARAMS
 380  *  pCaller    [I] controlling IUnknown interface.
 381  *  szURL      [I] URL of the file to download
 382  *  szFileName [I] file name to store the content of the URL
 383  *  dwReserved [I] reserved - set to 0
 384  *  lpfnCB     [I] callback for progress report
 385  *
 386  * RETURNS
 387  *  S_OK on success
 388  */
 389 HRESULT WINAPI URLDownloadToFileA(LPUNKNOWN pCaller, LPCSTR szURL, LPCSTR szFileName, DWORD dwReserved,
 390         LPBINDSTATUSCALLBACK lpfnCB)
 391 {
 392     LPWSTR urlW, file_nameW;
 393     HRESULT hres;
 394
 395     TRACE("(%p %s %s %d %p)\n", pCaller, debugstr_a(szURL), debugstr_a(szFileName), dwReserved, lpfnCB);
 396
 397     urlW = heap_strdupAtoW(szURL);
 398     file_nameW = heap_strdupAtoW(szFileName);
 399
 400     hres = URLDownloadToFileW(pCaller, urlW, file_nameW, dwReserved, lpfnCB);
 401
 402     heap_free(urlW);
 403     heap_free(file_nameW);
 404
 405     return hres;
 406 }