msvcr90: Added _encoded_null() implementation.
[wine] / 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., 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 IInternetProtocolVtbl  *lpIInternetProtocolVtbl;
26     const IInternetPriorityVtbl  *lpInternetPriorityVtbl;
27
28     HANDLE file;
29     LONG priority;
30
31     LONG ref;
32 } FileProtocol;
33
34 #define PRIORITY(x)  ((IInternetPriority*)  &(x)->lpInternetPriorityVtbl)
35
36 #define PROTOCOL_THIS(iface) DEFINE_THIS(FileProtocol, IInternetProtocol, iface)
37
38 static HRESULT WINAPI FileProtocol_QueryInterface(IInternetProtocol *iface, REFIID riid, void **ppv)
39 {
40     FileProtocol *This = PROTOCOL_THIS(iface);
41
42     *ppv = NULL;
43     if(IsEqualGUID(&IID_IUnknown, riid)) {
44         TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv);
45         *ppv = PROTOCOL(This);
46     }else if(IsEqualGUID(&IID_IInternetProtocolRoot, riid)) {
47         TRACE("(%p)->(IID_IInternetProtocolRoot %p)\n", This, ppv);
48         *ppv = PROTOCOL(This);
49     }else if(IsEqualGUID(&IID_IInternetProtocol, riid)) {
50         TRACE("(%p)->(IID_IInternetProtocol %p)\n", This, ppv);
51         *ppv = PROTOCOL(This);
52     }else if(IsEqualGUID(&IID_IInternetPriority, riid)) {
53         TRACE("(%p)->(IID_IInternetPriority %p)\n", This, ppv);
54         *ppv = PRIORITY(This);
55     }
56
57     if(*ppv) {
58         IInternetProtocol_AddRef(iface);
59         return S_OK;
60     }
61
62     WARN("not supported interface %s\n", debugstr_guid(riid));
63     return E_NOINTERFACE;
64 }
65
66 static ULONG WINAPI FileProtocol_AddRef(IInternetProtocol *iface)
67 {
68     FileProtocol *This = PROTOCOL_THIS(iface);
69     LONG ref = InterlockedIncrement(&This->ref);
70     TRACE("(%p) ref=%d\n", This, ref);
71     return ref;
72 }
73
74 static ULONG WINAPI FileProtocol_Release(IInternetProtocol *iface)
75 {
76     FileProtocol *This = PROTOCOL_THIS(iface);
77     LONG ref = InterlockedDecrement(&This->ref);
78
79     TRACE("(%p) ref=%d\n", This, ref);
80
81     if(!ref) {
82         if(This->file)
83             CloseHandle(This->file);
84         heap_free(This);
85
86         URLMON_UnlockModule();
87     }
88
89     return ref;
90 }
91
92 static HRESULT WINAPI FileProtocol_Start(IInternetProtocol *iface, LPCWSTR szUrl,
93         IInternetProtocolSink *pOIProtSink, IInternetBindInfo *pOIBindInfo,
94         DWORD grfPI, HANDLE_PTR dwReserved)
95 {
96     FileProtocol *This = PROTOCOL_THIS(iface);
97     BINDINFO bindinfo;
98     DWORD grfBINDF = 0;
99     LARGE_INTEGER size;
100     DWORD len;
101     LPWSTR url, mime = NULL, file_name;
102     WCHAR null_char = 0;
103     BOOL first_call = FALSE;
104     HRESULT hres;
105
106     static const WCHAR wszFile[]  = {'f','i','l','e',':'};
107
108     TRACE("(%p)->(%s %p %p %08x %lx)\n", This, debugstr_w(szUrl), pOIProtSink,
109             pOIBindInfo, grfPI, dwReserved);
110
111     if(!szUrl || strlenW(szUrl) < sizeof(wszFile)/sizeof(WCHAR)
112             || memcmp(szUrl, wszFile, sizeof(wszFile)))
113         return E_INVALIDARG;
114
115     memset(&bindinfo, 0, sizeof(bindinfo));
116     bindinfo.cbSize = sizeof(BINDINFO);
117     hres = IInternetBindInfo_GetBindInfo(pOIBindInfo, &grfBINDF, &bindinfo);
118     if(FAILED(hres)) {
119         WARN("GetBindInfo failed: %08x\n", hres);
120         return hres;
121     }
122
123     ReleaseBindInfo(&bindinfo);
124
125     len = lstrlenW(szUrl)+16;
126     url = heap_alloc(len*sizeof(WCHAR));
127     hres = CoInternetParseUrl(szUrl, PARSE_ENCODE, 0, url, len, &len, 0);
128     if(FAILED(hres)) {
129         heap_free(url);
130         return hres;
131     }
132
133     if(!(grfBINDF & BINDF_FROMURLMON))
134         IInternetProtocolSink_ReportProgress(pOIProtSink, BINDSTATUS_DIRECTBIND, NULL);
135
136     if(!This->file) {
137         WCHAR *ptr;
138
139         first_call = TRUE;
140
141         IInternetProtocolSink_ReportProgress(pOIProtSink, BINDSTATUS_SENDINGREQUEST, &null_char);
142
143         file_name = url+sizeof(wszFile)/sizeof(WCHAR);
144         if(file_name[0] == '/' && file_name[1] == '/')
145             file_name += 2;
146         if(*file_name == '/')
147             file_name++;
148
149         for(ptr = file_name; *ptr; ptr++) {
150             if(*ptr == '?' || *ptr == '#') {
151                 *ptr = 0;
152                 break;
153             }
154         }
155
156         if(file_name[1] == '|')
157             file_name[1] = ':';
158
159         This->file = CreateFileW(file_name, GENERIC_READ, FILE_SHARE_READ, NULL,
160                                  OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
161
162         if(This->file == INVALID_HANDLE_VALUE) {
163             This->file = NULL;
164             IInternetProtocolSink_ReportResult(pOIProtSink, INET_E_RESOURCE_NOT_FOUND,
165                     GetLastError(), NULL);
166             heap_free(url);
167             return INET_E_RESOURCE_NOT_FOUND;
168         }
169
170         IInternetProtocolSink_ReportProgress(pOIProtSink,
171                 BINDSTATUS_CACHEFILENAMEAVAILABLE, file_name);
172
173         hres = FindMimeFromData(NULL, url, NULL, 0, NULL, 0, &mime, 0);
174         if(SUCCEEDED(hres)) {
175             IInternetProtocolSink_ReportProgress(pOIProtSink,
176                     (grfBINDF & BINDF_FROMURLMON) ?
177                     BINDSTATUS_VERIFIEDMIMETYPEAVAILABLE : BINDSTATUS_MIMETYPEAVAILABLE,
178                     mime);
179             CoTaskMemFree(mime);
180         }
181     }
182
183     heap_free(url);
184
185     if(GetFileSizeEx(This->file, &size))
186         IInternetProtocolSink_ReportData(pOIProtSink,
187                 BSCF_FIRSTDATANOTIFICATION|BSCF_LASTDATANOTIFICATION,
188                 size.u.LowPart, size.u.LowPart);
189
190     if(first_call)
191         IInternetProtocolSink_ReportResult(pOIProtSink, S_OK, 0, NULL);
192
193     return S_OK;
194 }
195
196 static HRESULT WINAPI FileProtocol_Continue(IInternetProtocol *iface, PROTOCOLDATA *pProtocolData)
197 {
198     FileProtocol *This = PROTOCOL_THIS(iface);
199     FIXME("(%p)->(%p)\n", This, pProtocolData);
200     return E_NOTIMPL;
201 }
202
203 static HRESULT WINAPI FileProtocol_Abort(IInternetProtocol *iface, HRESULT hrReason,
204         DWORD dwOptions)
205 {
206     FileProtocol *This = PROTOCOL_THIS(iface);
207     FIXME("(%p)->(%08x %08x)\n", This, hrReason, dwOptions);
208     return E_NOTIMPL;
209 }
210
211 static HRESULT WINAPI FileProtocol_Terminate(IInternetProtocol *iface, DWORD dwOptions)
212 {
213     FileProtocol *This = PROTOCOL_THIS(iface);
214
215     TRACE("(%p)->(%08x)\n", This, dwOptions);
216
217     return S_OK;
218 }
219
220 static HRESULT WINAPI FileProtocol_Suspend(IInternetProtocol *iface)
221 {
222     FileProtocol *This = PROTOCOL_THIS(iface);
223     FIXME("(%p)\n", This);
224     return E_NOTIMPL;
225 }
226
227 static HRESULT WINAPI FileProtocol_Resume(IInternetProtocol *iface)
228 {
229     FileProtocol *This = PROTOCOL_THIS(iface);
230     FIXME("(%p)\n", This);
231     return E_NOTIMPL;
232 }
233
234 static HRESULT WINAPI FileProtocol_Read(IInternetProtocol *iface, void *pv,
235         ULONG cb, ULONG *pcbRead)
236 {
237     FileProtocol *This = PROTOCOL_THIS(iface);
238     DWORD read = 0;
239
240     TRACE("(%p)->(%p %u %p)\n", This, pv, cb, pcbRead);
241
242     if (pcbRead)
243         *pcbRead = 0;
244
245     if(!This->file)
246         return INET_E_DATA_NOT_AVAILABLE;
247
248     if (!ReadFile(This->file, pv, cb, &read, NULL))
249         return INET_E_DOWNLOAD_FAILURE;
250
251     if(pcbRead)
252         *pcbRead = read;
253     
254     return cb == read ? S_OK : S_FALSE;
255 }
256
257 static HRESULT WINAPI FileProtocol_Seek(IInternetProtocol *iface, LARGE_INTEGER dlibMove,
258         DWORD dwOrigin, ULARGE_INTEGER *plibNewPosition)
259 {
260     FileProtocol *This = PROTOCOL_THIS(iface);
261     FIXME("(%p)->(%d %d %p)\n", This, dlibMove.u.LowPart, dwOrigin, plibNewPosition);
262     return E_NOTIMPL;
263 }
264
265 static HRESULT WINAPI FileProtocol_LockRequest(IInternetProtocol *iface, DWORD dwOptions)
266 {
267     FileProtocol *This = PROTOCOL_THIS(iface);
268
269     TRACE("(%p)->(%08x)\n", This, dwOptions);
270
271     return S_OK;
272 }
273
274 static HRESULT WINAPI FileProtocol_UnlockRequest(IInternetProtocol *iface)
275 {
276     FileProtocol *This = PROTOCOL_THIS(iface);
277
278     TRACE("(%p)\n", This);
279
280     return S_OK;
281 }
282
283 #undef PROTOCOL_THIS
284
285 static const IInternetProtocolVtbl FileProtocolVtbl = {
286     FileProtocol_QueryInterface,
287     FileProtocol_AddRef,
288     FileProtocol_Release,
289     FileProtocol_Start,
290     FileProtocol_Continue,
291     FileProtocol_Abort,
292     FileProtocol_Terminate,
293     FileProtocol_Suspend,
294     FileProtocol_Resume,
295     FileProtocol_Read,
296     FileProtocol_Seek,
297     FileProtocol_LockRequest,
298     FileProtocol_UnlockRequest
299 };
300
301 #define PRIORITY_THIS(iface) DEFINE_THIS(FileProtocol, InternetPriority, iface)
302
303 static HRESULT WINAPI FilePriority_QueryInterface(IInternetPriority *iface,
304                                                   REFIID riid, void **ppv)
305 {
306     FileProtocol *This = PRIORITY_THIS(iface);
307     return IInternetProtocol_QueryInterface(PROTOCOL(This), riid, ppv);
308 }
309
310 static ULONG WINAPI FilePriority_AddRef(IInternetPriority *iface)
311 {
312     FileProtocol *This = PRIORITY_THIS(iface);
313     return IInternetProtocol_AddRef(PROTOCOL(This));
314 }
315
316 static ULONG WINAPI FilePriority_Release(IInternetPriority *iface)
317 {
318     FileProtocol *This = PRIORITY_THIS(iface);
319     return IInternetProtocol_Release(PROTOCOL(This));
320 }
321
322 static HRESULT WINAPI FilePriority_SetPriority(IInternetPriority *iface, LONG nPriority)
323 {
324     FileProtocol *This = PRIORITY_THIS(iface);
325
326     TRACE("(%p)->(%d)\n", This, nPriority);
327
328     This->priority = nPriority;
329     return S_OK;
330 }
331
332 static HRESULT WINAPI FilePriority_GetPriority(IInternetPriority *iface, LONG *pnPriority)
333 {
334     FileProtocol *This = PRIORITY_THIS(iface);
335
336     TRACE("(%p)->(%p)\n", This, pnPriority);
337
338     *pnPriority = This->priority;
339     return S_OK;
340 }
341
342 #undef PRIORITY_THIS
343
344 static const IInternetPriorityVtbl FilePriorityVtbl = {
345     FilePriority_QueryInterface,
346     FilePriority_AddRef,
347     FilePriority_Release,
348     FilePriority_SetPriority,
349     FilePriority_GetPriority
350 };
351
352 HRESULT FileProtocol_Construct(IUnknown *pUnkOuter, LPVOID *ppobj)
353 {
354     FileProtocol *ret;
355
356     TRACE("(%p %p)\n", pUnkOuter, ppobj);
357
358     URLMON_LockModule();
359
360     ret = heap_alloc(sizeof(FileProtocol));
361
362     ret->lpIInternetProtocolVtbl = &FileProtocolVtbl;
363     ret->lpInternetPriorityVtbl = &FilePriorityVtbl;
364     ret->file = NULL;
365     ret->priority = 0;
366     ret->ref = 1;
367
368     *ppobj = PROTOCOL(ret);
369     
370     return S_OK;
371 }