dlls/msxml3/httprequest.c

   1 /*
   2  *    IXMLHTTPRequest implementation
   3  *
   4  * Copyright 2008 Alistair Leslie-Hughes
   5  * Copyright 2010 Nikolay Sivov for CodeWeavers
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20  */
  21
  22 #define COBJMACROS
  23 #define NONAMELESSUNION
  24
  25 #include "config.h"
  26
  27 #include <stdarg.h>
  28 #ifdef HAVE_LIBXML2
  29 # include <libxml/parser.h>
  30 # include <libxml/xmlerror.h>
  31 # include <libxml/encoding.h>
  32 #endif
  33
  34 #include "windef.h"
  35 #include "winbase.h"
  36 #include "winuser.h"
  37 #include "ole2.h"
  38 #include "msxml6.h"
  39 #include "objsafe.h"
  40
  41 #include "msxml_private.h"
  42
  43 #include "wine/debug.h"
  44 #include "wine/list.h"
  45
  46 WINE_DEFAULT_DEBUG_CHANNEL(msxml);
  47
  48 #ifdef HAVE_LIBXML2
  49
  50 static const WCHAR MethodGetW[] = {'G','E','T',0};
  51 static const WCHAR MethodPutW[] = {'P','U','T',0};
  52 static const WCHAR MethodPostW[] = {'P','O','S','T',0};
  53
  54 static const WCHAR colspaceW[] = {':',' ',0};
  55 static const WCHAR crlfW[] = {'\r','\n',0};
  56
  57 typedef struct BindStatusCallback BindStatusCallback;
  58
  59 struct reqheader
  60 {
  61     struct list entry;
  62     BSTR header;
  63     BSTR value;
  64 };
  65
  66 typedef struct
  67 {
  68     IXMLHTTPRequest IXMLHTTPRequest_iface;
  69     IObjectWithSite IObjectWithSite_iface;
  70     IObjectSafety   IObjectSafety_iface;
  71     LONG ref;
  72
  73     READYSTATE state;
  74     IDispatch *sink;
  75
  76     /* request */
  77     BINDVERB verb;
  78     BSTR url;
  79     BOOL async;
  80     struct list reqheaders;
  81     /* cached resulting custom request headers string length in WCHARs */
  82     LONG reqheader_size;
  83
  84     /* credentials */
  85     BSTR user;
  86     BSTR password;
  87
  88     /* bind callback */
  89     BindStatusCallback *bsc;
  90     LONG status;
  91
  92     /* IObjectWithSite*/
  93     IUnknown *site;
  94
  95     /* IObjectSafety */
  96     DWORD safeopt;
  97 } httprequest;
  98
  99 static inline httprequest *impl_from_IXMLHTTPRequest( IXMLHTTPRequest *iface )
 100 {
 101     return CONTAINING_RECORD(iface, httprequest, IXMLHTTPRequest_iface);
 102 }
 103
 104 static inline httprequest *impl_from_IObjectWithSite(IObjectWithSite *iface)
 105 {
 106     return CONTAINING_RECORD(iface, httprequest, IObjectWithSite_iface);
 107 }
 108
 109 static inline httprequest *impl_from_IObjectSafety(IObjectSafety *iface)
 110 {
 111     return CONTAINING_RECORD(iface, httprequest, IObjectSafety_iface);
 112 }
 113
 114 static void httprequest_setreadystate(httprequest *This, READYSTATE state)
 115 {
 116     READYSTATE last = This->state;
 117
 118     This->state = state;
 119
 120     if (This->sink && last != state)
 121     {
 122         DISPPARAMS params;
 123
 124         memset(&params, 0, sizeof(params));
 125         IDispatch_Invoke(This->sink, 0, &IID_NULL, LOCALE_SYSTEM_DEFAULT, DISPATCH_METHOD, &params, 0, 0, 0);
 126     }
 127 }
 128
 129 struct BindStatusCallback
 130 {
 131     IBindStatusCallback IBindStatusCallback_iface;
 132     IHttpNegotiate      IHttpNegotiate_iface;
 133     LONG ref;
 134
 135     IBinding *binding;
 136     httprequest *request;
 137
 138     /* response data */
 139     IStream *stream;
 140
 141     /* request body data */
 142     HGLOBAL body;
 143 };
 144
 145 static inline BindStatusCallback *impl_from_IBindStatusCallback( IBindStatusCallback *iface )
 146 {
 147     return CONTAINING_RECORD(iface, BindStatusCallback, IBindStatusCallback_iface);
 148 }
 149
 150 static inline BindStatusCallback *impl_from_IHttpNegotiate( IHttpNegotiate *iface )
 151 {
 152     return CONTAINING_RECORD(iface, BindStatusCallback, IHttpNegotiate_iface);
 153 }
 154
 155 static void BindStatusCallback_Detach(BindStatusCallback *bsc)
 156 {
 157     if (bsc)
 158     {
 159         if (bsc->binding) IBinding_Abort(bsc->binding);
 160         bsc->request = NULL;
 161         IBindStatusCallback_Release(&bsc->IBindStatusCallback_iface);
 162     }
 163 }
 164
 165 static HRESULT WINAPI BindStatusCallback_QueryInterface(IBindStatusCallback *iface,
 166         REFIID riid, void **ppv)
 167 {
 168     BindStatusCallback *This = impl_from_IBindStatusCallback(iface);
 169
 170     *ppv = NULL;
 171
 172     TRACE("(%p)->(%s, %p)\n", This, debugstr_guid(riid), ppv);
 173
 174     if (IsEqualGUID(&IID_IUnknown, riid) ||
 175         IsEqualGUID(&IID_IBindStatusCallback, riid))
 176     {
 177         *ppv = &This->IBindStatusCallback_iface;
 178     }
 179     else if (IsEqualGUID(&IID_IHttpNegotiate, riid))
 180     {
 181         *ppv = &This->IHttpNegotiate_iface;
 182     }
 183     else if (IsEqualGUID(&IID_IServiceProvider, riid) ||
 184              IsEqualGUID(&IID_IBindStatusCallbackEx, riid) ||
 185              IsEqualGUID(&IID_IInternetProtocol, riid) ||
 186              IsEqualGUID(&IID_IHttpNegotiate2, riid))
 187     {
 188         return E_NOINTERFACE;
 189     }
 190
 191     if (*ppv)
 192     {
 193         IBindStatusCallback_AddRef(iface);
 194         return S_OK;
 195     }
 196
 197     FIXME("Unsupported riid = %s\n", debugstr_guid(riid));
 198
 199     return E_NOINTERFACE;
 200 }
 201
 202 static ULONG WINAPI BindStatusCallback_AddRef(IBindStatusCallback *iface)
 203 {
 204     BindStatusCallback *This = impl_from_IBindStatusCallback(iface);
 205     LONG ref = InterlockedIncrement(&This->ref);
 206
 207     TRACE("(%p) ref = %d\n", This, ref);
 208
 209     return ref;
 210 }
 211
 212 static ULONG WINAPI BindStatusCallback_Release(IBindStatusCallback *iface)
 213 {
 214     BindStatusCallback *This = impl_from_IBindStatusCallback(iface);
 215     LONG ref = InterlockedDecrement(&This->ref);
 216
 217     TRACE("(%p) ref = %d\n", This, ref);
 218
 219     if (!ref)
 220     {
 221         if (This->binding) IBinding_Release(This->binding);
 222         if (This->stream) IStream_Release(This->stream);
 223         if (This->body) GlobalFree(This->body);
 224         heap_free(This);
 225     }
 226
 227     return ref;
 228 }
 229
 230 static HRESULT WINAPI BindStatusCallback_OnStartBinding(IBindStatusCallback *iface,
 231         DWORD reserved, IBinding *pbind)
 232 {
 233     BindStatusCallback *This = impl_from_IBindStatusCallback(iface);
 234
 235     TRACE("(%p)->(%d %p)\n", This, reserved, pbind);
 236
 237     if (!pbind) return E_INVALIDARG;
 238
 239     This->binding = pbind;
 240     IBinding_AddRef(pbind);
 241
 242     httprequest_setreadystate(This->request, READYSTATE_LOADED);
 243
 244     return CreateStreamOnHGlobal(NULL, TRUE, &This->stream);
 245 }
 246
 247 static HRESULT WINAPI BindStatusCallback_GetPriority(IBindStatusCallback *iface, LONG *pPriority)
 248 {
 249     BindStatusCallback *This = impl_from_IBindStatusCallback(iface);
 250
 251     TRACE("(%p)->(%p)\n", This, pPriority);
 252
 253     return E_NOTIMPL;
 254 }
 255
 256 static HRESULT WINAPI BindStatusCallback_OnLowResource(IBindStatusCallback *iface, DWORD reserved)
 257 {
 258     BindStatusCallback *This = impl_from_IBindStatusCallback(iface);
 259
 260     TRACE("(%p)->(%d)\n", This, reserved);
 261
 262     return E_NOTIMPL;
 263 }
 264
 265 static HRESULT WINAPI BindStatusCallback_OnProgress(IBindStatusCallback *iface, ULONG ulProgress,
 266         ULONG ulProgressMax, ULONG ulStatusCode, LPCWSTR szStatusText)
 267 {
 268     BindStatusCallback *This = impl_from_IBindStatusCallback(iface);
 269
 270     TRACE("(%p)->(%u %u %u %s)\n", This, ulProgress, ulProgressMax, ulStatusCode,
 271             debugstr_w(szStatusText));
 272
 273     return S_OK;
 274 }
 275
 276 static HRESULT WINAPI BindStatusCallback_OnStopBinding(IBindStatusCallback *iface,
 277         HRESULT hr, LPCWSTR error)
 278 {
 279     BindStatusCallback *This = impl_from_IBindStatusCallback(iface);
 280
 281     TRACE("(%p)->(0x%08x %s)\n", This, hr, debugstr_w(error));
 282
 283     if (This->binding)
 284     {
 285         IBinding_Release(This->binding);
 286         This->binding = NULL;
 287     }
 288
 289     if (hr == S_OK)
 290         httprequest_setreadystate(This->request, READYSTATE_COMPLETE);
 291
 292     return S_OK;
 293 }
 294
 295 static HRESULT WINAPI BindStatusCallback_GetBindInfo(IBindStatusCallback *iface,
 296         DWORD *bind_flags, BINDINFO *pbindinfo)
 297 {
 298     BindStatusCallback *This = impl_from_IBindStatusCallback(iface);
 299
 300     TRACE("(%p)->(%p %p)\n", This, bind_flags, pbindinfo);
 301
 302     *bind_flags = 0;
 303     if (This->request->async) *bind_flags |= BINDF_ASYNCHRONOUS;
 304
 305     if (This->request->verb != BINDVERB_GET && This->body)
 306     {
 307         pbindinfo->stgmedData.tymed = TYMED_HGLOBAL;
 308         pbindinfo->stgmedData.u.hGlobal = This->body;
 309         pbindinfo->cbstgmedData = GlobalSize(This->body);
 310         /* callback owns passed body pointer */
 311         IBindStatusCallback_QueryInterface(iface, &IID_IUnknown, (void**)&pbindinfo->stgmedData.pUnkForRelease);
 312     }
 313
 314     pbindinfo->dwBindVerb = This->request->verb;
 315
 316     return S_OK;
 317 }
 318
 319 static HRESULT WINAPI BindStatusCallback_OnDataAvailable(IBindStatusCallback *iface,
 320         DWORD flags, DWORD size, FORMATETC *format, STGMEDIUM *stgmed)
 321 {
 322     BindStatusCallback *This = impl_from_IBindStatusCallback(iface);
 323     DWORD read, written;
 324     BYTE buf[4096];
 325     HRESULT hr;
 326
 327     TRACE("(%p)->(%08x %d %p %p)\n", This, flags, size, format, stgmed);
 328
 329     do
 330     {
 331         hr = IStream_Read(stgmed->u.pstm, buf, sizeof(buf), &read);
 332         if (hr != S_OK) break;
 333
 334         hr = IStream_Write(This->stream, buf, read, &written);
 335     } while((hr == S_OK) && written != 0 && read != 0);
 336
 337     httprequest_setreadystate(This->request, READYSTATE_INTERACTIVE);
 338
 339     return S_OK;
 340 }
 341
 342 static HRESULT WINAPI BindStatusCallback_OnObjectAvailable(IBindStatusCallback *iface,
 343         REFIID riid, IUnknown *punk)
 344 {
 345     BindStatusCallback *This = impl_from_IBindStatusCallback(iface);
 346
 347     FIXME("(%p)->(%s %p): stub\n", This, debugstr_guid(riid), punk);
 348
 349     return E_NOTIMPL;
 350 }
 351
 352 static const IBindStatusCallbackVtbl BindStatusCallbackVtbl = {
 353     BindStatusCallback_QueryInterface,
 354     BindStatusCallback_AddRef,
 355     BindStatusCallback_Release,
 356     BindStatusCallback_OnStartBinding,
 357     BindStatusCallback_GetPriority,
 358     BindStatusCallback_OnLowResource,
 359     BindStatusCallback_OnProgress,
 360     BindStatusCallback_OnStopBinding,
 361     BindStatusCallback_GetBindInfo,
 362     BindStatusCallback_OnDataAvailable,
 363     BindStatusCallback_OnObjectAvailable
 364 };
 365
 366 static HRESULT WINAPI BSCHttpNegotiate_QueryInterface(IHttpNegotiate *iface,
 367         REFIID riid, void **ppv)
 368 {
 369     BindStatusCallback *This = impl_from_IHttpNegotiate(iface);
 370     return IBindStatusCallback_QueryInterface(&This->IBindStatusCallback_iface, riid, ppv);
 371 }
 372
 373 static ULONG WINAPI BSCHttpNegotiate_AddRef(IHttpNegotiate *iface)
 374 {
 375     BindStatusCallback *This = impl_from_IHttpNegotiate(iface);
 376     return IBindStatusCallback_AddRef(&This->IBindStatusCallback_iface);
 377 }
 378
 379 static ULONG WINAPI BSCHttpNegotiate_Release(IHttpNegotiate *iface)
 380 {
 381     BindStatusCallback *This = impl_from_IHttpNegotiate(iface);
 382     return IBindStatusCallback_Release(&This->IBindStatusCallback_iface);
 383 }
 384
 385 static HRESULT WINAPI BSCHttpNegotiate_BeginningTransaction(IHttpNegotiate *iface,
 386         LPCWSTR url, LPCWSTR headers, DWORD reserved, LPWSTR *add_headers)
 387 {
 388     BindStatusCallback *This = impl_from_IHttpNegotiate(iface);
 389     const struct reqheader *entry;
 390     WCHAR *buff, *ptr;
 391
 392     TRACE("(%p)->(%s %s %d %p)\n", This, debugstr_w(url), debugstr_w(headers), reserved, add_headers);
 393
 394     *add_headers = NULL;
 395
 396     if (list_empty(&This->request->reqheaders)) return S_OK;
 397
 398     buff = CoTaskMemAlloc(This->request->reqheader_size*sizeof(WCHAR));
 399     if (!buff) return E_OUTOFMEMORY;
 400
 401     ptr = buff;
 402     LIST_FOR_EACH_ENTRY(entry, &This->request->reqheaders, struct reqheader, entry)
 403     {
 404         lstrcpyW(ptr, entry->header);
 405         ptr += SysStringLen(entry->header);
 406
 407         lstrcpyW(ptr, colspaceW);
 408         ptr += sizeof(colspaceW)/sizeof(WCHAR)-1;
 409
 410         lstrcpyW(ptr, entry->value);
 411         ptr += SysStringLen(entry->value);
 412
 413         lstrcpyW(ptr, crlfW);
 414         ptr += sizeof(crlfW)/sizeof(WCHAR)-1;
 415     }
 416
 417     *add_headers = buff;
 418
 419     return S_OK;
 420 }
 421
 422 static HRESULT WINAPI BSCHttpNegotiate_OnResponse(IHttpNegotiate *iface, DWORD code,
 423         LPCWSTR resp_headers, LPCWSTR req_headers, LPWSTR *add_reqheaders)
 424 {
 425     BindStatusCallback *This = impl_from_IHttpNegotiate(iface);
 426
 427     TRACE("(%p)->(%d %s %s %p)\n", This, code, debugstr_w(resp_headers),
 428           debugstr_w(req_headers), add_reqheaders);
 429
 430     This->request->status = code;
 431
 432     return S_OK;
 433 }
 434
 435 static const IHttpNegotiateVtbl BSCHttpNegotiateVtbl = {
 436     BSCHttpNegotiate_QueryInterface,
 437     BSCHttpNegotiate_AddRef,
 438     BSCHttpNegotiate_Release,
 439     BSCHttpNegotiate_BeginningTransaction,
 440     BSCHttpNegotiate_OnResponse
 441 };
 442
 443 static HRESULT BindStatusCallback_create(httprequest* This, BindStatusCallback **obj, const VARIANT *body)
 444 {
 445     BindStatusCallback *bsc;
 446     IBindCtx *pbc;
 447     HRESULT hr;
 448
 449     hr = CreateBindCtx(0, &pbc);
 450     if (hr != S_OK) return hr;
 451
 452     bsc = heap_alloc(sizeof(*bsc));
 453     if (!bsc)
 454     {
 455         IBindCtx_Release(pbc);
 456         return E_OUTOFMEMORY;
 457     }
 458
 459     bsc->IBindStatusCallback_iface.lpVtbl = &BindStatusCallbackVtbl;
 460     bsc->IHttpNegotiate_iface.lpVtbl = &BSCHttpNegotiateVtbl;
 461     bsc->ref = 1;
 462     bsc->request = This;
 463     bsc->binding = NULL;
 464     bsc->stream = NULL;
 465     bsc->body = NULL;
 466
 467     TRACE("created callback %p\n", bsc);
 468
 469     if (This->verb != BINDVERB_GET)
 470     {
 471         if (V_VT(body) == VT_BSTR)
 472         {
 473             LONG size = SysStringLen(V_BSTR(body)) * sizeof(WCHAR);
 474             void *ptr;
 475
 476             bsc->body = GlobalAlloc(GMEM_FIXED, size);
 477             if (!bsc->body)
 478             {
 479                 heap_free(bsc);
 480                 return E_OUTOFMEMORY;
 481             }
 482
 483             ptr = GlobalLock(bsc->body);
 484             memcpy(ptr, V_BSTR(body), size);
 485             GlobalUnlock(bsc->body);
 486         }
 487         else
 488             FIXME("unsupported body data type %d\n", V_VT(body));
 489     }
 490
 491     hr = RegisterBindStatusCallback(pbc, &bsc->IBindStatusCallback_iface, NULL, 0);
 492     if (hr == S_OK)
 493     {
 494         IMoniker *moniker;
 495
 496         hr = CreateURLMoniker(NULL, This->url, &moniker);
 497         if (hr == S_OK)
 498         {
 499             IStream *stream;
 500
 501             hr = IMoniker_BindToStorage(moniker, pbc, NULL, &IID_IStream, (void**)&stream);
 502             IMoniker_Release(moniker);
 503             if (stream) IStream_Release(stream);
 504         }
 505         IBindCtx_Release(pbc);
 506     }
 507
 508     if (FAILED(hr))
 509     {
 510         IBindStatusCallback_Release(&bsc->IBindStatusCallback_iface);
 511         bsc = NULL;
 512     }
 513
 514     *obj = bsc;
 515     return hr;
 516 }
 517
 518 static HRESULT WINAPI httprequest_QueryInterface(IXMLHTTPRequest *iface, REFIID riid, void **ppvObject)
 519 {
 520     httprequest *This = impl_from_IXMLHTTPRequest( iface );
 521     TRACE("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppvObject);
 522
 523     if ( IsEqualGUID( riid, &IID_IXMLHTTPRequest) ||
 524          IsEqualGUID( riid, &IID_IDispatch) ||
 525          IsEqualGUID( riid, &IID_IUnknown) )
 526     {
 527         *ppvObject = iface;
 528     }
 529     else if (IsEqualGUID(&IID_IObjectWithSite, riid))
 530     {
 531         *ppvObject = &This->IObjectWithSite_iface;
 532     }
 533     else if (IsEqualGUID(&IID_IObjectSafety, riid))
 534     {
 535         *ppvObject = &This->IObjectSafety_iface;
 536     }
 537     else
 538     {
 539         TRACE("Unsupported interface %s\n", debugstr_guid(riid));
 540         *ppvObject = NULL;
 541         return E_NOINTERFACE;
 542     }
 543
 544     IXMLHTTPRequest_AddRef( iface );
 545
 546     return S_OK;
 547 }
 548
 549 static ULONG WINAPI httprequest_AddRef(IXMLHTTPRequest *iface)
 550 {
 551     httprequest *This = impl_from_IXMLHTTPRequest( iface );
 552     ULONG ref = InterlockedIncrement( &This->ref );
 553     TRACE("(%p)->(%u)\n", This, ref );
 554     return ref;
 555 }
 556
 557 static ULONG WINAPI httprequest_Release(IXMLHTTPRequest *iface)
 558 {
 559     httprequest *This = impl_from_IXMLHTTPRequest( iface );
 560     ULONG ref = InterlockedDecrement( &This->ref );
 561
 562     TRACE("(%p)->(%u)\n", This, ref );
 563
 564     if ( ref == 0 )
 565     {
 566         struct reqheader *header, *header2;
 567
 568         if (This->site)
 569             IUnknown_Release( This->site );
 570
 571         SysFreeString(This->url);
 572         SysFreeString(This->user);
 573         SysFreeString(This->password);
 574
 575         /* request headers */
 576         LIST_FOR_EACH_ENTRY_SAFE(header, header2, &This->reqheaders, struct reqheader, entry)
 577         {
 578             list_remove(&header->entry);
 579             SysFreeString(header->header);
 580             SysFreeString(header->value);
 581             heap_free(header);
 582         }
 583
 584         /* detach callback object */
 585         BindStatusCallback_Detach(This->bsc);
 586
 587         if (This->sink) IDispatch_Release(This->sink);
 588
 589         heap_free( This );
 590     }
 591
 592     return ref;
 593 }
 594
 595 static HRESULT WINAPI httprequest_GetTypeInfoCount(IXMLHTTPRequest *iface, UINT *pctinfo)
 596 {
 597     httprequest *This = impl_from_IXMLHTTPRequest( iface );
 598
 599     TRACE("(%p)->(%p)\n", This, pctinfo);
 600
 601     *pctinfo = 1;
 602
 603     return S_OK;
 604 }
 605
 606 static HRESULT WINAPI httprequest_GetTypeInfo(IXMLHTTPRequest *iface, UINT iTInfo,
 607         LCID lcid, ITypeInfo **ppTInfo)
 608 {
 609     httprequest *This = impl_from_IXMLHTTPRequest( iface );
 610
 611     TRACE("(%p)->(%u %u %p)\n", This, iTInfo, lcid, ppTInfo);
 612
 613     return get_typeinfo(IXMLHTTPRequest_tid, ppTInfo);
 614 }
 615
 616 static HRESULT WINAPI httprequest_GetIDsOfNames(IXMLHTTPRequest *iface, REFIID riid,
 617         LPOLESTR *rgszNames, UINT cNames, LCID lcid, DISPID *rgDispId)
 618 {
 619     httprequest *This = impl_from_IXMLHTTPRequest( iface );
 620     ITypeInfo *typeinfo;
 621     HRESULT hr;
 622
 623     TRACE("(%p)->(%s %p %u %u %p)\n", This, debugstr_guid(riid), rgszNames, cNames,
 624           lcid, rgDispId);
 625
 626     if(!rgszNames || cNames == 0 || !rgDispId)
 627         return E_INVALIDARG;
 628
 629     hr = get_typeinfo(IXMLHTTPRequest_tid, &typeinfo);
 630     if(SUCCEEDED(hr))
 631     {
 632         hr = ITypeInfo_GetIDsOfNames(typeinfo, rgszNames, cNames, rgDispId);
 633         ITypeInfo_Release(typeinfo);
 634     }
 635
 636     return hr;
 637 }
 638
 639 static HRESULT WINAPI httprequest_Invoke(IXMLHTTPRequest *iface, DISPID dispIdMember, REFIID riid,
 640         LCID lcid, WORD wFlags, DISPPARAMS *pDispParams, VARIANT *pVarResult,
 641         EXCEPINFO *pExcepInfo, UINT *puArgErr)
 642 {
 643     httprequest *This = impl_from_IXMLHTTPRequest( iface );
 644     ITypeInfo *typeinfo;
 645     HRESULT hr;
 646
 647     TRACE("(%p)->(%d %s %d %d %p %p %p %p)\n", This, dispIdMember, debugstr_guid(riid),
 648           lcid, wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
 649
 650     hr = get_typeinfo(IXMLHTTPRequest_tid, &typeinfo);
 651     if(SUCCEEDED(hr))
 652     {
 653         hr = ITypeInfo_Invoke(typeinfo, &This->IXMLHTTPRequest_iface, dispIdMember, wFlags,
 654                 pDispParams, pVarResult, pExcepInfo, puArgErr);
 655         ITypeInfo_Release(typeinfo);
 656     }
 657
 658     return hr;
 659 }
 660
 661 static HRESULT WINAPI httprequest_open(IXMLHTTPRequest *iface, BSTR method, BSTR url,
 662         VARIANT async, VARIANT user, VARIANT password)
 663 {
 664     httprequest *This = impl_from_IXMLHTTPRequest( iface );
 665     HRESULT hr;
 666     VARIANT str, is_async;
 667
 668     TRACE("(%p)->(%s %s %s)\n", This, debugstr_w(method), debugstr_w(url),
 669         debugstr_variant(&async));
 670
 671     if (!method || !url) return E_INVALIDARG;
 672
 673     /* free previously set data */
 674     SysFreeString(This->url);
 675     SysFreeString(This->user);
 676     SysFreeString(This->password);
 677     This->url = This->user = This->password = NULL;
 678
 679     if (lstrcmpiW(method, MethodGetW) == 0)
 680     {
 681         This->verb = BINDVERB_GET;
 682     }
 683     else if (lstrcmpiW(method, MethodPutW) == 0)
 684     {
 685         This->verb = BINDVERB_PUT;
 686     }
 687     else if (lstrcmpiW(method, MethodPostW) == 0)
 688     {
 689         This->verb = BINDVERB_POST;
 690     }
 691     else
 692     {
 693         FIXME("unsupported request type %s\n", debugstr_w(method));
 694         This->verb = -1;
 695         return E_FAIL;
 696     }
 697
 698     This->url = SysAllocString(url);
 699
 700     VariantInit(&is_async);
 701     hr = VariantChangeType(&is_async, &async, 0, VT_BOOL);
 702     This->async = hr == S_OK && V_BOOL(&is_async) == VARIANT_TRUE;
 703
 704     VariantInit(&str);
 705     hr = VariantChangeType(&str, &user, 0, VT_BSTR);
 706     if (hr == S_OK)
 707         This->user = V_BSTR(&str);
 708
 709     VariantInit(&str);
 710     hr = VariantChangeType(&str, &password, 0, VT_BSTR);
 711     if (hr == S_OK)
 712         This->password = V_BSTR(&str);
 713
 714     httprequest_setreadystate(This, READYSTATE_LOADING);
 715
 716     return S_OK;
 717 }
 718
 719 static HRESULT WINAPI httprequest_setRequestHeader(IXMLHTTPRequest *iface, BSTR header, BSTR value)
 720 {
 721     httprequest *This = impl_from_IXMLHTTPRequest( iface );
 722     struct reqheader *entry;
 723
 724     TRACE("(%p)->(%s %s)\n", This, debugstr_w(header), debugstr_w(value));
 725
 726     if (!header || !*header) return E_INVALIDARG;
 727     if (This->state != READYSTATE_LOADING) return E_FAIL;
 728     if (!value) return E_INVALIDARG;
 729
 730     /* replace existing header value if already added */
 731     LIST_FOR_EACH_ENTRY(entry, &This->reqheaders, struct reqheader, entry)
 732     {
 733         if (lstrcmpW(entry->header, header) == 0)
 734         {
 735             LONG length = SysStringLen(entry->value);
 736             HRESULT hr;
 737
 738             hr = SysReAllocString(&entry->value, value) ? S_OK : E_OUTOFMEMORY;
 739
 740             if (hr == S_OK)
 741                 This->reqheader_size += (SysStringLen(entry->value) - length);
 742
 743             return hr;
 744         }
 745     }
 746
 747     entry = heap_alloc(sizeof(*entry));
 748     if (!entry) return E_OUTOFMEMORY;
 749
 750     /* new header */
 751     entry->header = SysAllocString(header);
 752     entry->value  = SysAllocString(value);
 753
 754     /* header length including null terminator */
 755     This->reqheader_size += SysStringLen(entry->header) + sizeof(colspaceW)/sizeof(WCHAR) +
 756                             SysStringLen(entry->value)  + sizeof(crlfW)/sizeof(WCHAR) - 1;
 757
 758     list_add_head(&This->reqheaders, &entry->entry);
 759
 760     return S_OK;
 761 }
 762
 763 static HRESULT WINAPI httprequest_getResponseHeader(IXMLHTTPRequest *iface, BSTR bstrHeader, BSTR *pbstrValue)
 764 {
 765     httprequest *This = impl_from_IXMLHTTPRequest( iface );
 766
 767     FIXME("stub (%p) %s %p\n", This, debugstr_w(bstrHeader), pbstrValue);
 768
 769     return E_NOTIMPL;
 770 }
 771
 772 static HRESULT WINAPI httprequest_getAllResponseHeaders(IXMLHTTPRequest *iface, BSTR *pbstrHeaders)
 773 {
 774     httprequest *This = impl_from_IXMLHTTPRequest( iface );
 775
 776     FIXME("stub (%p) %p\n", This, pbstrHeaders);
 777
 778     return E_NOTIMPL;
 779 }
 780
 781 static HRESULT WINAPI httprequest_send(IXMLHTTPRequest *iface, VARIANT body)
 782 {
 783     httprequest *This = impl_from_IXMLHTTPRequest( iface );
 784     BindStatusCallback *bsc = NULL;
 785     HRESULT hr;
 786
 787     TRACE("(%p)->(%s)\n", This, debugstr_variant(&body));
 788
 789     if (This->state != READYSTATE_LOADING) return E_FAIL;
 790
 791     hr = BindStatusCallback_create(This, &bsc, &body);
 792     if (FAILED(hr)) return hr;
 793
 794     BindStatusCallback_Detach(This->bsc);
 795     This->bsc = bsc;
 796
 797     return hr;
 798 }
 799
 800 static HRESULT WINAPI httprequest_abort(IXMLHTTPRequest *iface)
 801 {
 802     httprequest *This = impl_from_IXMLHTTPRequest( iface );
 803
 804     TRACE("(%p)\n", This);
 805
 806     BindStatusCallback_Detach(This->bsc);
 807     This->bsc = NULL;
 808
 809     httprequest_setreadystate(This, READYSTATE_UNINITIALIZED);
 810
 811     return S_OK;
 812 }
 813
 814 static HRESULT WINAPI httprequest_get_status(IXMLHTTPRequest *iface, LONG *status)
 815 {
 816     httprequest *This = impl_from_IXMLHTTPRequest( iface );
 817
 818     TRACE("(%p)->(%p)\n", This, status);
 819
 820     if (!status) return E_INVALIDARG;
 821     if (This->state != READYSTATE_COMPLETE) return E_FAIL;
 822
 823     *status = This->status;
 824
 825     return S_OK;
 826 }
 827
 828 static HRESULT WINAPI httprequest_get_statusText(IXMLHTTPRequest *iface, BSTR *pbstrStatus)
 829 {
 830     httprequest *This = impl_from_IXMLHTTPRequest( iface );
 831
 832     FIXME("stub %p %p\n", This, pbstrStatus);
 833
 834     return E_NOTIMPL;
 835 }
 836
 837 static HRESULT WINAPI httprequest_get_responseXML(IXMLHTTPRequest *iface, IDispatch **body)
 838 {
 839     httprequest *This = impl_from_IXMLHTTPRequest( iface );
 840     IXMLDOMDocument3 *doc;
 841     HRESULT hr;
 842     BSTR str;
 843
 844     TRACE("(%p)->(%p)\n", This, body);
 845
 846     if (!body) return E_INVALIDARG;
 847     if (This->state != READYSTATE_COMPLETE) return E_FAIL;
 848
 849     hr = DOMDocument_create(MSXML_DEFAULT, NULL, (void**)&doc);
 850     if (hr != S_OK) return hr;
 851
 852     hr = IXMLHTTPRequest_get_responseText(iface, &str);
 853     if (hr == S_OK)
 854     {
 855         VARIANT_BOOL ok;
 856
 857         hr = IXMLDOMDocument3_loadXML(doc, str, &ok);
 858         SysFreeString(str);
 859     }
 860
 861     IXMLDOMDocument3_QueryInterface(doc, &IID_IDispatch, (void**)body);
 862     IXMLDOMDocument3_Release(doc);
 863
 864     return hr;
 865 }
 866
 867 static HRESULT WINAPI httprequest_get_responseText(IXMLHTTPRequest *iface, BSTR *body)
 868 {
 869     httprequest *This = impl_from_IXMLHTTPRequest( iface );
 870     HGLOBAL hglobal;
 871     HRESULT hr;
 872
 873     TRACE("(%p)->(%p)\n", This, body);
 874
 875     if (!body) return E_INVALIDARG;
 876     if (This->state != READYSTATE_COMPLETE) return E_FAIL;
 877
 878     hr = GetHGlobalFromStream(This->bsc->stream, &hglobal);
 879     if (hr == S_OK)
 880     {
 881         xmlChar *ptr = GlobalLock(hglobal);
 882         DWORD size = GlobalSize(hglobal);
 883         xmlCharEncoding encoding = XML_CHAR_ENCODING_UTF8;
 884
 885         /* try to determine data encoding */
 886         if (size >= 4)
 887         {
 888             encoding = xmlDetectCharEncoding(ptr, 4);
 889             TRACE("detected encoding: %s\n", debugstr_a(xmlGetCharEncodingName(encoding)));
 890             if ( encoding != XML_CHAR_ENCODING_UTF8 &&
 891                  encoding != XML_CHAR_ENCODING_UTF16LE &&
 892                  encoding != XML_CHAR_ENCODING_NONE )
 893             {
 894                 FIXME("unsupported encoding: %s\n", debugstr_a(xmlGetCharEncodingName(encoding)));
 895                 GlobalUnlock(hglobal);
 896                 return E_FAIL;
 897             }
 898         }
 899
 900         /* without BOM assume UTF-8 */
 901         if (encoding == XML_CHAR_ENCODING_UTF8 ||
 902             encoding == XML_CHAR_ENCODING_NONE )
 903         {
 904             DWORD length = MultiByteToWideChar(CP_UTF8, 0, (LPCSTR)ptr, size, NULL, 0);
 905
 906             *body = SysAllocStringLen(NULL, length);
 907             if (*body)
 908                 MultiByteToWideChar( CP_UTF8, 0, (LPCSTR)ptr, size, *body, length);
 909         }
 910         else
 911             *body = SysAllocStringByteLen((LPCSTR)ptr, size);
 912
 913         if (!*body) hr = E_OUTOFMEMORY;
 914         GlobalUnlock(hglobal);
 915     }
 916
 917     return hr;
 918 }
 919
 920 static HRESULT WINAPI httprequest_get_responseBody(IXMLHTTPRequest *iface, VARIANT *body)
 921 {
 922     httprequest *This = impl_from_IXMLHTTPRequest( iface );
 923     HGLOBAL hglobal;
 924     HRESULT hr;
 925
 926     TRACE("(%p)->(%p)\n", This, body);
 927
 928     if (!body) return E_INVALIDARG;
 929     if (This->state != READYSTATE_COMPLETE) return E_FAIL;
 930
 931     hr = GetHGlobalFromStream(This->bsc->stream, &hglobal);
 932     if (hr == S_OK)
 933     {
 934         void *ptr = GlobalLock(hglobal);
 935         DWORD size = GlobalSize(hglobal);
 936
 937         SAFEARRAYBOUND bound;
 938         SAFEARRAY *array;
 939
 940         bound.lLbound = 0;
 941         bound.cElements = size;
 942         array = SafeArrayCreate(VT_UI1, 1, &bound);
 943
 944         if (array)
 945         {
 946             void *dest;
 947
 948             V_VT(body) = VT_ARRAY | VT_UI1;
 949             V_ARRAY(body) = array;
 950
 951             hr = SafeArrayAccessData(array, &dest);
 952             if (hr == S_OK)
 953             {
 954                 memcpy(dest, ptr, size);
 955                 SafeArrayUnaccessData(array);
 956             }
 957             else
 958             {
 959                 VariantClear(body);
 960             }
 961         }
 962         else
 963             hr = E_FAIL;
 964
 965         GlobalUnlock(hglobal);
 966     }
 967
 968     return hr;
 969 }
 970
 971 static HRESULT WINAPI httprequest_get_responseStream(IXMLHTTPRequest *iface, VARIANT *pvarBody)
 972 {
 973     httprequest *This = impl_from_IXMLHTTPRequest( iface );
 974
 975     FIXME("stub %p %p\n", This, pvarBody);
 976
 977     return E_NOTIMPL;
 978 }
 979
 980 static HRESULT WINAPI httprequest_get_readyState(IXMLHTTPRequest *iface, LONG *state)
 981 {
 982     httprequest *This = impl_from_IXMLHTTPRequest( iface );
 983
 984     TRACE("(%p)->(%p)\n", This, state);
 985
 986     if (!state) return E_INVALIDARG;
 987
 988     *state = This->state;
 989     return S_OK;
 990 }
 991
 992 static HRESULT WINAPI httprequest_put_onreadystatechange(IXMLHTTPRequest *iface, IDispatch *sink)
 993 {
 994     httprequest *This = impl_from_IXMLHTTPRequest( iface );
 995
 996     TRACE("(%p)->(%p)\n", This, sink);
 997
 998     if (This->sink) IDispatch_Release(This->sink);
 999     if ((This->sink = sink)) IDispatch_AddRef(This->sink);
1000
1001     return S_OK;
1002 }
1003
1004 static const struct IXMLHTTPRequestVtbl dimimpl_vtbl =
1005 {
1006     httprequest_QueryInterface,
1007     httprequest_AddRef,
1008     httprequest_Release,
1009     httprequest_GetTypeInfoCount,
1010     httprequest_GetTypeInfo,
1011     httprequest_GetIDsOfNames,
1012     httprequest_Invoke,
1013     httprequest_open,
1014     httprequest_setRequestHeader,
1015     httprequest_getResponseHeader,
1016     httprequest_getAllResponseHeaders,
1017     httprequest_send,
1018     httprequest_abort,
1019     httprequest_get_status,
1020     httprequest_get_statusText,
1021     httprequest_get_responseXML,
1022     httprequest_get_responseText,
1023     httprequest_get_responseBody,
1024     httprequest_get_responseStream,
1025     httprequest_get_readyState,
1026     httprequest_put_onreadystatechange
1027 };
1028
1029 /* IObjectWithSite */
1030 static HRESULT WINAPI
1031 httprequest_ObjectWithSite_QueryInterface( IObjectWithSite* iface, REFIID riid, void** ppvObject )
1032 {
1033     httprequest *This = impl_from_IObjectWithSite(iface);
1034     return IXMLHTTPRequest_QueryInterface( (IXMLHTTPRequest *)This, riid, ppvObject );
1035 }
1036
1037 static ULONG WINAPI httprequest_ObjectWithSite_AddRef( IObjectWithSite* iface )
1038 {
1039     httprequest *This = impl_from_IObjectWithSite(iface);
1040     return IXMLHTTPRequest_AddRef((IXMLHTTPRequest *)This);
1041 }
1042
1043 static ULONG WINAPI httprequest_ObjectWithSite_Release( IObjectWithSite* iface )
1044 {
1045     httprequest *This = impl_from_IObjectWithSite(iface);
1046     return IXMLHTTPRequest_Release((IXMLHTTPRequest *)This);
1047 }
1048
1049 static HRESULT WINAPI httprequest_ObjectWithSite_GetSite( IObjectWithSite *iface, REFIID iid, void **ppvSite )
1050 {
1051     httprequest *This = impl_from_IObjectWithSite(iface);
1052
1053     TRACE("(%p)->(%s %p)\n", This, debugstr_guid( iid ), ppvSite );
1054
1055     if ( !This->site )
1056         return E_FAIL;
1057
1058     return IUnknown_QueryInterface( This->site, iid, ppvSite );
1059 }
1060
1061 static HRESULT WINAPI httprequest_ObjectWithSite_SetSite( IObjectWithSite *iface, IUnknown *punk )
1062 {
1063     httprequest *This = impl_from_IObjectWithSite(iface);
1064
1065     TRACE("(%p)->(%p)\n", iface, punk);
1066
1067     if (punk)
1068         IUnknown_AddRef( punk );
1069
1070     if(This->site)
1071         IUnknown_Release( This->site );
1072
1073     This->site = punk;
1074
1075     return S_OK;
1076 }
1077
1078 static const IObjectWithSiteVtbl httprequestObjectSite =
1079 {
1080     httprequest_ObjectWithSite_QueryInterface,
1081     httprequest_ObjectWithSite_AddRef,
1082     httprequest_ObjectWithSite_Release,
1083     httprequest_ObjectWithSite_SetSite,
1084     httprequest_ObjectWithSite_GetSite
1085 };
1086
1087 /* IObjectSafety */
1088 static HRESULT WINAPI httprequest_Safety_QueryInterface(IObjectSafety *iface, REFIID riid, void **ppv)
1089 {
1090     httprequest *This = impl_from_IObjectSafety(iface);
1091     return IXMLHTTPRequest_QueryInterface( (IXMLHTTPRequest *)This, riid, ppv );
1092 }
1093
1094 static ULONG WINAPI httprequest_Safety_AddRef(IObjectSafety *iface)
1095 {
1096     httprequest *This = impl_from_IObjectSafety(iface);
1097     return IXMLHTTPRequest_AddRef((IXMLHTTPRequest *)This);
1098 }
1099
1100 static ULONG WINAPI httprequest_Safety_Release(IObjectSafety *iface)
1101 {
1102     httprequest *This = impl_from_IObjectSafety(iface);
1103     return IXMLHTTPRequest_Release((IXMLHTTPRequest *)This);
1104 }
1105
1106 #define SAFETY_SUPPORTED_OPTIONS (INTERFACESAFE_FOR_UNTRUSTED_CALLER|INTERFACESAFE_FOR_UNTRUSTED_DATA|INTERFACE_USES_SECURITY_MANAGER)
1107
1108 static HRESULT WINAPI httprequest_Safety_GetInterfaceSafetyOptions(IObjectSafety *iface, REFIID riid,
1109         DWORD *supported, DWORD *enabled)
1110 {
1111     httprequest *This = impl_from_IObjectSafety(iface);
1112
1113     TRACE("(%p)->(%s %p %p)\n", This, debugstr_guid(riid), supported, enabled);
1114
1115     if(!supported || !enabled) return E_POINTER;
1116
1117     *supported = SAFETY_SUPPORTED_OPTIONS;
1118     *enabled = This->safeopt;
1119
1120     return S_OK;
1121 }
1122
1123 static HRESULT WINAPI httprequest_Safety_SetInterfaceSafetyOptions(IObjectSafety *iface, REFIID riid,
1124         DWORD mask, DWORD enabled)
1125 {
1126     httprequest *This = impl_from_IObjectSafety(iface);
1127     TRACE("(%p)->(%s %x %x)\n", This, debugstr_guid(riid), mask, enabled);
1128
1129     if ((mask & ~SAFETY_SUPPORTED_OPTIONS) != 0)
1130         return E_FAIL;
1131
1132     This->safeopt = (This->safeopt & ~mask) | (mask & enabled);
1133
1134     return S_OK;
1135 }
1136
1137 #undef SAFETY_SUPPORTED_OPTIONS
1138
1139 static const IObjectSafetyVtbl httprequestObjectSafety = {
1140     httprequest_Safety_QueryInterface,
1141     httprequest_Safety_AddRef,
1142     httprequest_Safety_Release,
1143     httprequest_Safety_GetInterfaceSafetyOptions,
1144     httprequest_Safety_SetInterfaceSafetyOptions
1145 };
1146
1147 HRESULT XMLHTTPRequest_create(IUnknown *pUnkOuter, void **ppObj)
1148 {
1149     httprequest *req;
1150     HRESULT hr = S_OK;
1151
1152     TRACE("(%p,%p)\n", pUnkOuter, ppObj);
1153
1154     req = heap_alloc( sizeof (*req) );
1155     if( !req )
1156         return E_OUTOFMEMORY;
1157
1158     req->IXMLHTTPRequest_iface.lpVtbl = &dimimpl_vtbl;
1159     req->IObjectWithSite_iface.lpVtbl = &httprequestObjectSite;
1160     req->IObjectSafety_iface.lpVtbl = &httprequestObjectSafety;
1161     req->ref = 1;
1162
1163     req->async = FALSE;
1164     req->verb = -1;
1165     req->url = req->user = req->password = NULL;
1166
1167     req->state = READYSTATE_UNINITIALIZED;
1168     req->sink = NULL;
1169
1170     req->bsc = NULL;
1171     req->status = 0;
1172     req->reqheader_size = 0;
1173     list_init(&req->reqheaders);
1174     req->site = NULL;
1175     req->safeopt = 0;
1176
1177     *ppObj = &req->IXMLHTTPRequest_iface;
1178
1179     TRACE("returning iface %p\n", *ppObj);
1180
1181     return hr;
1182 }
1183
1184 #else
1185
1186 HRESULT XMLHTTPRequest_create(IUnknown *pUnkOuter, void **ppObj)
1187 {
1188     MESSAGE("This program tried to use a XMLHTTPRequest object, but\n"
1189             "libxml2 support was not present at compile time.\n");
1190     return E_NOTIMPL;
1191 }
1192
1193 #endif