1 /*
2 * MIME OLE International interface
3 *
4 * Copyright 2008 Huw Davies for CodeWeavers
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
19 */
20
21 #define COBJMACROS
22 #define NONAMELESSUNION
23
24 #include <stdarg.h>
25 #include <stdio.h>
26
27 #include "windef.h"
28 #include "winbase.h"
29 #include "winuser.h"
30 #include "winnls.h"
31 #include "objbase.h"
32 #include "ole2.h"
33 #include "mimeole.h"
34 #include "mlang.h"
35
36 #include "wine/list.h"
37 #include "wine/unicode.h"
38 #include "wine/debug.h"
39
40 #include "inetcomm_private.h"
41
42 WINE_DEFAULT_DEBUG_CHANNEL(inetcomm);
43
44 typedef struct
45 {
46 struct list entry;
47 INETCSETINFO cs_info;
48 } charset_entry;
49
50 typedef struct
51 {
52 const IMimeInternationalVtbl *lpVtbl;
53 LONG refs;
54 CRITICAL_SECTION cs;
55
56 struct list charsets;
57 LONG next_charset_handle;
58 HCHARSET default_charset;
59 } internat;
60
61 static inline internat *impl_from_IMimeInternational( IMimeInternational *iface )
62 {
63 return (internat *)((char*)iface - FIELD_OFFSET(internat, lpVtbl));
64 }
65
66 static inline HRESULT get_mlang(IMultiLanguage **ml)
67 {
68 return CoCreateInstance(&CLSID_CMultiLanguage, NULL, CLSCTX_INPROC_SERVER | CLSCTX_INPROC_HANDLER,
69 &IID_IMultiLanguage, (void **)ml);
70 }
71
72 static HRESULT WINAPI MimeInternat_QueryInterface( IMimeInternational *iface, REFIID riid, LPVOID *ppobj )
73 {
74 if (IsEqualGUID(riid, &IID_IUnknown) ||
75 IsEqualGUID(riid, &IID_IMimeInternational))
76 {
77 IMimeInternational_AddRef( iface );
78 *ppobj = iface;
79 return S_OK;
80 }
81
82 FIXME("interface %s not implemented\n", debugstr_guid(riid));
83 return E_NOINTERFACE;
84 }
85
86 static ULONG WINAPI MimeInternat_AddRef( IMimeInternational *iface )
87 {
88 internat *This = impl_from_IMimeInternational( iface );
89 return InterlockedIncrement(&This->refs);
90 }
91
92 static ULONG WINAPI MimeInternat_Release( IMimeInternational *iface )
93 {
94 internat *This = impl_from_IMimeInternational( iface );
95 ULONG refs;
96
97 refs = InterlockedDecrement(&This->refs);
98 if (!refs)
99 {
100 charset_entry *charset, *cursor2;
101
102 LIST_FOR_EACH_ENTRY_SAFE(charset, cursor2, &This->charsets, charset_entry, entry)
103 {
104 list_remove(&charset->entry);
105 HeapFree(GetProcessHeap(), 0, charset);
106 }
107 HeapFree(GetProcessHeap(), 0, This);
108 }
109
110 return refs;
111 }
112
113 static HRESULT WINAPI MimeInternat_SetDefaultCharset(IMimeInternational *iface, HCHARSET hCharset)
114 {
115 internat *This = impl_from_IMimeInternational( iface );
116
117 TRACE("(%p)->(%p)\n", iface, hCharset);
118
119 if(hCharset == NULL) return E_INVALIDARG;
120 /* FIXME check hCharset is valid */
121
122 InterlockedExchangePointer(&This->default_charset, hCharset);
123
124 return S_OK;
125 }
126
127 static HRESULT WINAPI MimeInternat_GetDefaultCharset(IMimeInternational *iface, LPHCHARSET phCharset)
128 {
129 internat *This = impl_from_IMimeInternational( iface );
130 HRESULT hr = S_OK;
131
132 TRACE("(%p)->(%p)\n", iface, phCharset);
133
134 if(This->default_charset == NULL)
135 {
136 HCHARSET hcs;
137 hr = IMimeInternational_GetCodePageCharset(iface, GetACP(), CHARSET_BODY, &hcs);
138 if(SUCCEEDED(hr))
139 InterlockedCompareExchangePointer(&This->default_charset, hcs, NULL);
140 }
141 *phCharset = This->default_charset;
142
143 return hr;
144 }
145
146 static HRESULT mlang_getcodepageinfo(UINT cp, MIMECPINFO *mlang_cp_info)
147 {
148 HRESULT hr;
149 IMultiLanguage *ml;
150
151 hr = get_mlang(&ml);
152
153 if(SUCCEEDED(hr))
154 {
155 hr = IMultiLanguage_GetCodePageInfo(ml, cp, mlang_cp_info);
156 IMultiLanguage_Release(ml);
157 }
158 return hr;
159 }
160
161 static HRESULT WINAPI MimeInternat_GetCodePageCharset(IMimeInternational *iface, CODEPAGEID cpiCodePage,
162 CHARSETTYPE ctCsetType,
163 LPHCHARSET phCharset)
164 {
165 HRESULT hr;
166 MIMECPINFO mlang_cp_info;
167
168 TRACE("(%p)->(%d, %d, %p)\n", iface, cpiCodePage, ctCsetType, phCharset);
169
170 *phCharset = NULL;
171
172 hr = mlang_getcodepageinfo(cpiCodePage, &mlang_cp_info);
173 if(SUCCEEDED(hr))
174 {
175 const WCHAR *charset_nameW = NULL;
176 char *charset_name;
177 DWORD len;
178
179 switch(ctCsetType)
180 {
181 case CHARSET_BODY:
182 charset_nameW = mlang_cp_info.wszBodyCharset;
183 break;
184 case CHARSET_HEADER:
185 charset_nameW = mlang_cp_info.wszHeaderCharset;
186 break;
187 case CHARSET_WEB:
188 charset_nameW = mlang_cp_info.wszWebCharset;
189 break;
190 default:
191 return MIME_E_INVALID_CHARSET_TYPE;
192 }
193 len = WideCharToMultiByte(CP_ACP, 0, charset_nameW, -1, NULL, 0, NULL, NULL);
194 charset_name = HeapAlloc(GetProcessHeap(), 0, len);
195 WideCharToMultiByte(CP_ACP, 0, charset_nameW, -1, charset_name, len, NULL, NULL);
196 hr = IMimeInternational_FindCharset(iface, charset_name, phCharset);
197 HeapFree(GetProcessHeap(), 0, charset_name);
198 }
199 return hr;
200 }
201
202 static HRESULT mlang_getcsetinfo(const char *charset, MIMECSETINFO *mlang_info)
203 {
204 DWORD len = MultiByteToWideChar(CP_ACP, 0, charset, -1, NULL, 0);
205 BSTR bstr = SysAllocStringLen(NULL, len - 1);
206 HRESULT hr;
207 IMultiLanguage *ml;
208
209 MultiByteToWideChar(CP_ACP, 0, charset, -1, bstr, len);
210
211 hr = get_mlang(&ml);
212
213 if(SUCCEEDED(hr))
214 {
215 hr = IMultiLanguage_GetCharsetInfo(ml, bstr, mlang_info);
216 IMultiLanguage_Release(ml);
217 }
218 SysFreeString(bstr);
219 if(FAILED(hr)) hr = MIME_E_NOT_FOUND;
220 return hr;
221 }
222
223 static HCHARSET add_charset(struct list *list, MIMECSETINFO *mlang_info, HCHARSET handle)
224 {
225 charset_entry *charset = HeapAlloc(GetProcessHeap(), 0, sizeof(*charset));
226
227 WideCharToMultiByte(CP_ACP, 0, mlang_info->wszCharset, -1,
228 charset->cs_info.szName, sizeof(charset->cs_info.szName), NULL, NULL);
229 charset->cs_info.cpiWindows = mlang_info->uiCodePage;
230 charset->cs_info.cpiInternet = mlang_info->uiInternetEncoding;
231 charset->cs_info.hCharset = handle;
232 charset->cs_info.dwReserved1 = 0;
233 list_add_head(list, &charset->entry);
234
235 return charset->cs_info.hCharset;
236 }
237
238 static HRESULT WINAPI MimeInternat_FindCharset(IMimeInternational *iface, LPCSTR pszCharset,
239 LPHCHARSET phCharset)
240 {
241 internat *This = impl_from_IMimeInternational( iface );
242 HRESULT hr = MIME_E_NOT_FOUND;
243 charset_entry *charset;
244
245 TRACE("(%p)->(%s, %p)\n", iface, debugstr_a(pszCharset), phCharset);
246
247 *phCharset = NULL;
248
249 EnterCriticalSection(&This->cs);
250
251 LIST_FOR_EACH_ENTRY(charset, &This->charsets, charset_entry, entry)
252 {
253 if(!lstrcmpiA(charset->cs_info.szName, pszCharset))
254 {
255 *phCharset = charset->cs_info.hCharset;
256 hr = S_OK;
257 break;
258 }
259 }
260
261 if(hr == MIME_E_NOT_FOUND)
262 {
263 MIMECSETINFO mlang_info;
264
265 LeaveCriticalSection(&This->cs);
266 hr = mlang_getcsetinfo(pszCharset, &mlang_info);
267 EnterCriticalSection(&This->cs);
268
269 if(SUCCEEDED(hr))
270 *phCharset = add_charset(&This->charsets, &mlang_info,
271 (HCHARSET)InterlockedIncrement(&This->next_charset_handle));
272 }
273
274 LeaveCriticalSection(&This->cs);
275 return hr;
276 }
277
278 static HRESULT WINAPI MimeInternat_GetCharsetInfo(IMimeInternational *iface, HCHARSET hCharset,
279 LPINETCSETINFO pCsetInfo)
280 {
281 internat *This = impl_from_IMimeInternational( iface );
282 HRESULT hr = MIME_E_INVALID_HANDLE;
283 charset_entry *charset;
284
285 TRACE("(%p)->(%p, %p)\n", iface, hCharset, pCsetInfo);
286
287 EnterCriticalSection(&This->cs);
288
289 LIST_FOR_EACH_ENTRY(charset, &This->charsets, charset_entry, entry)
290 {
291 if(charset->cs_info.hCharset == hCharset)
292 {
293 *pCsetInfo = charset->cs_info;
294 hr = S_OK;
295 break;
296 }
297 }
298
299 LeaveCriticalSection(&This->cs);
300
301 return hr;
302 }
303
304 static HRESULT WINAPI MimeInternat_GetCodePageInfo(IMimeInternational *iface, CODEPAGEID cpiCodePage,
305 LPCODEPAGEINFO pCodePageInfo)
306 {
307 FIXME("stub\n");
308 return E_NOTIMPL;
309 }
310
311 static HRESULT WINAPI MimeInternat_CanConvertCodePages(IMimeInternational *iface, CODEPAGEID cpiSource,
312 CODEPAGEID cpiDest)
313 {
314 HRESULT hr;
315 IMultiLanguage *ml;
316
317 TRACE("(%p)->(%d, %d)\n", iface, cpiSource, cpiDest);
318
319 /* Could call mlang.IsConvertINetStringAvailable() to avoid the COM overhead if need be. */
320
321 hr = get_mlang(&ml);
322 if(SUCCEEDED(hr))
323 {
324 hr = IMultiLanguage_IsConvertible(ml, cpiSource, cpiDest);
325 IMultiLanguage_Release(ml);
326 }
327
328 return hr;
329 }
330
331 static HRESULT WINAPI MimeInternat_DecodeHeader(IMimeInternational *iface, HCHARSET hCharset,
332 LPCSTR pszData,
333 LPPROPVARIANT pDecoded,
334 LPRFC1522INFO pRfc1522Info)
335 {
336 FIXME("stub\n");
337 return E_NOTIMPL;
338 }
339
340 static HRESULT WINAPI MimeInternat_EncodeHeader(IMimeInternational *iface, HCHARSET hCharset,
341 LPPROPVARIANT pData,
342 LPSTR *ppszEncoded,
343 LPRFC1522INFO pRfc1522Info)
344 {
345 FIXME("stub\n");
346 return E_NOTIMPL;
347 }
348
349 static HRESULT WINAPI MimeInternat_ConvertBuffer(IMimeInternational *iface, CODEPAGEID cpiSource,
350 CODEPAGEID cpiDest, LPBLOB pIn, LPBLOB pOut,
351 ULONG *pcbRead)
352 {
353 HRESULT hr;
354 IMultiLanguage *ml;
355
356 TRACE("(%p)->(%d, %d, %p, %p, %p)\n", iface, cpiSource, cpiDest, pIn, pOut, pcbRead);
357
358 *pcbRead = 0;
359 pOut->cbSize = 0;
360
361 /* Could call mlang.ConvertINetString() to avoid the COM overhead if need be. */
362
363 hr = get_mlang(&ml);
364 if(SUCCEEDED(hr))
365 {
366 DWORD mode = 0;
367 UINT in_size = pIn->cbSize, out_size;
368
369 hr = IMultiLanguage_ConvertString(ml, &mode, cpiSource, cpiDest, pIn->pBlobData, &in_size,
370 NULL, &out_size);
371 if(hr == S_OK) /* S_FALSE means the conversion could not be performed */
372 {
373 pOut->pBlobData = CoTaskMemAlloc(out_size);
374 if(!pOut->pBlobData)
375 hr = E_OUTOFMEMORY;
376 else
377 {
378 mode = 0;
379 in_size = pIn->cbSize;
380 hr = IMultiLanguage_ConvertString(ml, &mode, cpiSource, cpiDest, pIn->pBlobData, &in_size,
381 pOut->pBlobData, &out_size);
382
383 if(hr == S_OK)
384 {
385 *pcbRead = in_size;
386 pOut->cbSize = out_size;
387 }
388 else
389 CoTaskMemFree(pOut->pBlobData);
390 }
391 }
392 IMultiLanguage_Release(ml);
393 }
394
395 return hr;
396 }
397
398 static HRESULT WINAPI MimeInternat_ConvertString(IMimeInternational *iface, CODEPAGEID cpiSource,
399 CODEPAGEID cpiDest, LPPROPVARIANT pIn,
400 LPPROPVARIANT pOut)
401 {
402 HRESULT hr;
403 int src_len;
404 IMultiLanguage *ml;
405
406 TRACE("(%p)->(%d, %d, %p %p)\n", iface, cpiSource, cpiDest, pIn, pOut);
407
408 switch(pIn->vt)
409 {
410 case VT_LPSTR:
411 if(cpiSource == CP_UNICODE) cpiSource = GetACP();
412 src_len = strlen(pIn->u.pszVal);
413 break;
414 case VT_LPWSTR:
415 cpiSource = CP_UNICODE;
416 src_len = strlenW(pIn->u.pwszVal) * sizeof(WCHAR);
417 break;
418 default:
419 return E_INVALIDARG;
420 }
421
422 hr = get_mlang(&ml);
423 if(SUCCEEDED(hr))
424 {
425 DWORD mode = 0;
426 UINT in_size = src_len, out_size;
427
428 hr = IMultiLanguage_ConvertString(ml, &mode, cpiSource, cpiDest, (BYTE*)pIn->u.pszVal, &in_size,
429 NULL, &out_size);
430 if(hr == S_OK) /* S_FALSE means the conversion could not be performed */
431 {
432 out_size += (cpiDest == CP_UNICODE) ? sizeof(WCHAR) : sizeof(char);
433
434 pOut->u.pszVal = CoTaskMemAlloc(out_size);
435 if(!pOut->u.pszVal)
436 hr = E_OUTOFMEMORY;
437 else
438 {
439 mode = 0;
440 in_size = src_len;
441 hr = IMultiLanguage_ConvertString(ml, &mode, cpiSource, cpiDest, (BYTE*)pIn->u.pszVal, &in_size,
442 (BYTE*)pOut->u.pszVal, &out_size);
443
444 if(hr == S_OK)
445 {
446 if(cpiDest == CP_UNICODE)
447 {
448 pOut->u.pwszVal[out_size / sizeof(WCHAR)] = 0;
449 pOut->vt = VT_LPWSTR;
450 }
451 else
452 {
453 pOut->u.pszVal[out_size] = '\0';
454 pOut->vt = VT_LPSTR;
455 }
456 }
457 else
458 CoTaskMemFree(pOut->u.pszVal);
459 }
460 }
461 IMultiLanguage_Release(ml);
462 }
463 return hr;
464 }
465
466 static HRESULT WINAPI MimeInternat_MLANG_ConvertInetReset(IMimeInternational *iface)
467 {
468 FIXME("stub\n");
469 return E_NOTIMPL;
470 }
471
472 static HRESULT WINAPI MimeInternat_MLANG_ConvertInetString(IMimeInternational *iface, CODEPAGEID cpiSource,
473 CODEPAGEID cpiDest,
474 LPCSTR pSource,
475 int *pnSizeOfSource,
476 LPSTR pDestination,
477 int *pnDstSize)
478 {
479 FIXME("stub\n");
480 return E_NOTIMPL;
481 }
482
483 static HRESULT WINAPI MimeInternat_Rfc1522Decode(IMimeInternational *iface, LPCSTR pszValue,
484 LPSTR pszCharset,
485 ULONG cchmax,
486 LPSTR *ppszDecoded)
487 {
488 FIXME("stub\n");
489 return E_NOTIMPL;
490 }
491
492 static HRESULT WINAPI MimeInternat_Rfc1522Encode(IMimeInternational *iface, LPCSTR pszValue,
493 HCHARSET hCharset,
494 LPSTR *ppszEncoded)
495 {
496 FIXME("stub\n");
497 return E_NOTIMPL;
498 }
499
500 static IMimeInternationalVtbl mime_internat_vtbl =
501 {
502 MimeInternat_QueryInterface,
503 MimeInternat_AddRef,
504 MimeInternat_Release,
505 MimeInternat_SetDefaultCharset,
506 MimeInternat_GetDefaultCharset,
507 MimeInternat_GetCodePageCharset,
508 MimeInternat_FindCharset,
509 MimeInternat_GetCharsetInfo,
510 MimeInternat_GetCodePageInfo,
511 MimeInternat_CanConvertCodePages,
512 MimeInternat_DecodeHeader,
513 MimeInternat_EncodeHeader,
514 MimeInternat_ConvertBuffer,
515 MimeInternat_ConvertString,
516 MimeInternat_MLANG_ConvertInetReset,
517 MimeInternat_MLANG_ConvertInetString,
518 MimeInternat_Rfc1522Decode,
519 MimeInternat_Rfc1522Encode
520 };
521
522 static internat *global_internat;
523
524 HRESULT MimeInternational_Construct(IMimeInternational **internat)
525 {
526 global_internat = HeapAlloc(GetProcessHeap(), 0, sizeof(*global_internat));
527 global_internat->lpVtbl = &mime_internat_vtbl;
528 global_internat->refs = 0;
529 InitializeCriticalSection(&global_internat->cs);
530
531 list_init(&global_internat->charsets);
532 global_internat->next_charset_handle = 0;
533 global_internat->default_charset = NULL;
534
535 *internat = (IMimeInternational*)&global_internat->lpVtbl;
536
537 IMimeInternational_AddRef(*internat);
538 return S_OK;
539 }
540
541 HRESULT WINAPI MimeOleGetInternat(IMimeInternational **internat)
542 {
543 TRACE("(%p)\n", internat);
544
545 *internat = (IMimeInternational *)&global_internat->lpVtbl;
546 IMimeInternational_AddRef(*internat);
547 return S_OK;
548 }
549
550 HRESULT WINAPI MimeOleFindCharset(LPCSTR name, LPHCHARSET charset)
551 {
552 IMimeInternational *internat;
553 HRESULT hr;
554
555 TRACE("(%s, %p)\n", debugstr_a(name), charset);
556
557 hr = MimeOleGetInternat(&internat);
558 if(SUCCEEDED(hr))
559 {
560 hr = IMimeInternational_FindCharset(internat, name, charset);
561 IMimeInternational_Release(internat);
562 }
563 return hr;
564 }
565
566 HRESULT WINAPI MimeOleGetCharsetInfo(HCHARSET hCharset, LPINETCSETINFO pCsetInfo)
567 {
568 IMimeInternational *internat;
569 HRESULT hr;
570
571 TRACE("(%p, %p)\n", hCharset, pCsetInfo);
572
573 hr = MimeOleGetInternat(&internat);
574 if(SUCCEEDED(hr))
575 {
576 hr = IMimeInternational_GetCharsetInfo(internat, hCharset, pCsetInfo);
577 IMimeInternational_Release(internat);
578 }
579 return hr;
580 }
581
582 HRESULT WINAPI MimeOleGetDefaultCharset(LPHCHARSET charset)
583 {
584 IMimeInternational *internat;
585 HRESULT hr;
586
587 TRACE("(%p)\n", charset);
588
589 hr = MimeOleGetInternat(&internat);
590 if(SUCCEEDED(hr))
591 {
592 hr = IMimeInternational_GetDefaultCharset(internat, charset);
593 IMimeInternational_Release(internat);
594 }
595 return hr;
596 }
597
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