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/*
Copyright (c) 2013-15 Miranda NG project (http://miranda-ng.org)
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 version 2
of the License.
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, see <http://www.gnu.org/licenses/>.
*/
#include "stdafx.h"
#include "resource.h"
/////////////////////////////////////////////////////////////////////////////////////////
// Captcha form
struct CAPTCHA_FORM_PARAMS
{
HBITMAP bmp;
int w,h;
char Result[100];
};
static INT_PTR CALLBACK CaptchaFormDlgProc(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)IcoLib_GetIconByHandle(GetIconHandle(IDI_KEYS), TRUE));
SendMessage(hwndDlg, WM_SETICON, ICON_SMALL, (LPARAM)IcoLib_GetIconByHandle(GetIconHandle(IDI_KEYS)));
params = (CAPTCHA_FORM_PARAMS*)lParam;
SetDlgItemText(hwndDlg, IDC_INSTRUCTION, TranslateT("Enter the text you see"));
SetWindowLongPtr(hwndDlg, GWLP_USERDATA, (LONG_PTR)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 IDOK:
GetDlgItemTextA(hwndDlg, IDC_VALUE, params->Result, _countof(params->Result));
EndDialog(hwndDlg, 1);
return TRUE;
}
break;
case WM_CLOSE:
EndDialog(hwndDlg, 0);
break;
case WM_DESTROY:
IcoLib_ReleaseIcon((HICON)SendMessage(hwndDlg, WM_SETICON, ICON_BIG, 0));
IcoLib_ReleaseIcon((HICON)SendMessage(hwndDlg, WM_SETICON, ICON_SMALL, 0));
break;
}
return FALSE;
}
bool CVkProto::RunCaptchaForm(LPCSTR szUrl, CMStringA &result)
{
debugLogA("CVkProto::RunCaptchaForm: reading picture from %s", szUrl);
result.Empty();
NETLIBHTTPREQUEST req = { sizeof(req) };
req.requestType = REQUEST_GET;
req.szUrl = (LPSTR)szUrl;
req.flags = VK_NODUMPHEADERS;
NETLIBHTTPREQUEST *reply = (NETLIBHTTPREQUEST*)CallService(MS_NETLIB_HTTPTRANSACTION, (WPARAM)m_hNetlibUser, (LPARAM)&req);
if (reply == NULL)
return false;
if (reply->resultCode != 200) {
debugLogA("CVkProto::RunCaptchaForm: failed with code %d", reply->resultCode);
return false;
}
CAPTCHA_FORM_PARAMS param = { 0 };
IMGSRVC_MEMIO memio = { 0 };
memio.iLen = reply->dataLength;
memio.pBuf = reply->pData;
memio.fif = FIF_UNKNOWN; /* detect */
param.bmp = (HBITMAP)CallService(MS_IMG_LOADFROMMEM, (WPARAM)&memio);
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, CaptchaFormDlgProc, (LPARAM)¶m);
if (res == 0)
return false;
debugLogA("CVkProto::RunCaptchaForm: user entered text %s", param.Result);
result = param.Result;
return true;
}
/////////////////////////////////////////////////////////////////////////////////////////
// fill a request from JSON
bool CVkProto::ApplyCaptcha(AsyncHttpRequest *pReq, const JSONNode &jnErrorNode)
{
debugLogA("CVkProto::ApplyCaptcha");
if (!IsOnline())
return false;
CMStringA szUrl(jnErrorNode["captcha_img"].as_mstring());
CMStringA szSid(jnErrorNode["captcha_sid"].as_mstring());
if (szUrl.IsEmpty() || szSid.IsEmpty())
return false;
CMStringA userReply;
if (!RunCaptchaForm(szUrl, userReply))
return false;
pReq << CHAR_PARAM("captcha_sid", szSid) << CHAR_PARAM("captcha_key", userReply.GetString());
pReq->bNeedsRestart = true;
return true;
}
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