1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
|
/*
Jabber Protocol Plugin for Miranda IM
Copyright (C) 2002-04 Santithorn Bunchua
Copyright (C) 2005-12 George Hazan
Copyright (C) 2007 Maxim Mluhov
Copyright (C) 2012-13 Miranda NG Project
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "jabber.h"
struct CAPTCHA_FORM_PARAMS
{
LPCTSTR from;
LPCTSTR challenge;
LPCTSTR fromjid;
LPCTSTR sid;
LPCTSTR to;
LPCTSTR hint;
HBITMAP bmp;
int w,h;
TCHAR Result[MAX_PATH];
};
INT_PTR CALLBACK JabberCaptchaFormDlgProc(HWND hwndDlg, UINT msg, WPARAM wParam, LPARAM lParam)
{
CAPTCHA_FORM_PARAMS *params = (CAPTCHA_FORM_PARAMS*)GetWindowLongPtr(hwndDlg, GWLP_USERDATA);
switch (msg) {
case WM_INITDIALOG: {
TranslateDialogDefault(hwndDlg);
SendMessage(hwndDlg, WM_SETICON, ICON_BIG, (LPARAM)LoadSkinnedIconBig(IDI_KEYS));
SendMessage(hwndDlg, WM_SETICON, ICON_SMALL, (LPARAM)LoadSkinnedIcon(IDI_KEYS));
params = (CAPTCHA_FORM_PARAMS*)lParam;
LPCTSTR hint = params->hint;
if (hint == NULL)
hint = TranslateT("Enter the text you see");
SetDlgItemText(hwndDlg, IDC_INSTRUCTION, TranslateTS(hint));
SetWindowLongPtr(hwndDlg, GWLP_USERDATA, (LONG)params);
return TRUE;
}
case WM_CTLCOLORSTATIC:
switch(GetWindowLongPtr((HWND)lParam, GWL_ID)) {
case IDC_WHITERECT:
case IDC_INSTRUCTION:
case IDC_TITLE:
return (BOOL)GetStockObject(WHITE_BRUSH);
}
return NULL;
case WM_PAINT:
if (params) {
PAINTSTRUCT ps;
HDC hdc, hdcMem;
RECT rc;
GetClientRect(hwndDlg, &rc);
hdc = BeginPaint(hwndDlg, &ps);
hdcMem = CreateCompatibleDC(hdc);
HGDIOBJ hOld = SelectObject(hdcMem, params->bmp);
int y = (rc.bottom + rc.top - params->h) / 2;
int x = (rc.right + rc.left - params->w) / 2;
BitBlt(hdc, x, y, params->w, params->h, hdcMem, 0,0, SRCCOPY);
SelectObject(hdcMem, hOld);
DeleteDC(hdcMem);
EndPaint(hwndDlg, &ps);
}
break;
case WM_COMMAND:
switch (LOWORD(wParam)) {
case IDCANCEL:
EndDialog(hwndDlg, 0);
return TRUE;
case IDC_SUBMIT:
GetDlgItemText(hwndDlg, IDC_VALUE, params->Result, SIZEOF(params->Result));
EndDialog(hwndDlg, 1);
return TRUE;
}
break;
case WM_CLOSE:
EndDialog(hwndDlg, 0);
break;
case WM_DESTROY:
WindowFreeIcon(hwndDlg);
break;
}
return FALSE;
}
bool CJabberProto::ProcessCaptcha(HXML node, HXML parentNode, ThreadData* info)
{
CAPTCHA_FORM_PARAMS param;
TCHAR *CaptchaPath = 0;
HXML x = xmlGetChildByTag(node, "x", "xmlns", JABBER_FEAT_DATA_FORMS);
if (x == NULL)
return false;
HXML y = xmlGetChildByTag(x, _T("field"), _T("var"), _T("from"));
if (y == NULL)
return false;
if ((y = xmlGetChild(y, "value")) == NULL)
return false;
param.fromjid = xmlGetText(y);
if ((y = xmlGetChildByTag(x, _T("field"), _T("var"), _T("sid"))) == NULL)
return false;
if ((y = xmlGetChild(y, "value")) == NULL)
return false;
param.sid = xmlGetText(y);
if ((y = xmlGetChildByTag(x, _T("field"), _T("var"), _T("ocr"))) == NULL)
return false;
param.hint = xmlGetAttrValue (y, _T("label"));
param.from = xmlGetAttrValue(parentNode, _T("from"));
param.to = xmlGetAttrValue(parentNode, _T("to"));
param.challenge = xmlGetAttrValue(parentNode, _T("id"));
HXML o = xmlGetChild(parentNode, "data");
if (o == NULL || xmlGetText(o) == NULL)
return false;
GetCaptchaImage(parentNode, CaptchaPath);
param.bmp = (HBITMAP) CallService(MS_UTILS_LOADBITMAPT, 0, (LPARAM)CaptchaPath);
DeleteFile(CaptchaPath);
mir_free(CaptchaPath);
BITMAP bmp = {0};
GetObject(param.bmp, sizeof(bmp), &bmp);
param.w = bmp.bmWidth;
param.h = bmp.bmHeight;
int res = DialogBoxParam(hInst, MAKEINTRESOURCE(IDD_CAPTCHAFORM), NULL, JabberCaptchaFormDlgProc, (LPARAM)¶m);
if (lstrcmp(param.Result, _T("")) == 0 || !res)
sendCaptchaError(info, param.from, param.to, param.challenge);
else
sendCaptchaResult (param.Result, info, param.from, param.challenge, param.fromjid, param.sid);
return true;
}
bool CJabberProto::GetCaptchaImage(HXML node, TCHAR*& CaptchaPath)
{
HXML o = xmlGetChild(node , "data");
int bufferLen;
char* buffer = JabberBase64DecodeT(xmlGetText(o), &bufferLen);
if (buffer == NULL)
return false;
const TCHAR *szPicType = JabberGetPictureType(node, buffer);
if (szPicType == NULL)
return false;
TCHAR *ext = _tcsstr((TCHAR*)szPicType, _T("/"))+1;
TCHAR filename[MAX_PATH];
mir_sntprintf(filename, SIZEOF(filename), _T("%%TEMP%%\\captcha.%s"), ext);
CaptchaPath = Utils_ReplaceVarsT(filename);
HANDLE hFile = CreateFile(CaptchaPath, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
if (hFile == INVALID_HANDLE_VALUE)
return false;
DWORD nWritten;
bool res = WriteFile(hFile, buffer, bufferLen, &nWritten, NULL) != 0;
CloseHandle(hFile);
return res;
}
void CJabberProto::sendCaptchaResult(TCHAR* buf, ThreadData* info, LPCTSTR from, LPCTSTR challenge, LPCTSTR fromjid, LPCTSTR sid)
{
XmlNodeIq iq(_T("set"), SerialNext());
HXML query= iq <<XATTR(_T("to"), from) << XCHILD(_T("captcha")) << XATTR(_T("xmlns"), _T("urn:xmpp:captcha")) << XCHILD (_T("x")) << XATTR(_T("xmlns"), JABBER_FEAT_DATA_FORMS) << XATTR(_T("type"), _T("submit"));
query << XCHILD(_T("field")) << XATTR (_T("var"), _T("FORM_TYPE")) << XCHILD(_T("value"), _T("urn:xmpp:captcha"));
query << XCHILD(_T("field")) << XATTR (_T("var"), _T("from")) << XCHILD(_T("value"), fromjid);
query << XCHILD(_T("field")) << XATTR (_T("var"), _T("challenge")) << XCHILD(_T("value"), challenge);
query << XCHILD(_T("field")) << XATTR (_T("var"), _T("sid")) << XCHILD(_T("value"), sid);
query << XCHILD(_T("field")) << XATTR (_T("var"), _T("ocr")) << XCHILD(_T("value"), buf);
info -> send (iq);
}
void CJabberProto::sendCaptchaError(ThreadData* info, LPCTSTR from, LPCTSTR to, LPCTSTR challenge)
{
XmlNode message(_T("message"));
HXML query= message << XATTR(_T("type"), _T("error")) << XATTR(_T("to"), from) << XATTR(_T("id"), challenge) << XATTR(_T("from"), to)
<< XCHILD(_T("error")) << XATTR(_T("type"), _T("modify"))
<< XCHILD(_T("not-acceptable")) << XATTR(_T("xmlns"), _T("urn:ietf:params:xml:ns:xmpp-stanzas"));
info -> send (message);
}
|
