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/*
Plugin of Miranda IM for communicating with users of the AIM protocol.
Copyright (c) 2008-2010 Boris Krasnovskiy
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, see <http://www.gnu.org/licenses/>.
*/
#include "aim.h"
#include "links.h"
#include "m_assocmgr.h"
static HANDLE hServiceParseLink;
extern OBJLIST<CAimProto> g_Instances;
static int SingleHexToDecimal(TCHAR c)
{
if (c >= '0' && c <= '9') return c - '0';
if (c >= 'a' && c <= 'f') return c - 'a' + 10;
if (c >= 'A' && c <= 'F') return c - 'A' + 10;
return -1;
}
static TCHAR* url_decode(TCHAR* str)
{
TCHAR* s = str, *d = str;
while(*s)
{
if (*s == '%')
{
int digit1 = SingleHexToDecimal(s[1]);
if (digit1 != -1)
{
int digit2 = SingleHexToDecimal(s[2]);
if (digit2 != -1)
{
s += 3;
*d++ = (TCHAR)((digit1 << 4) | digit2);
continue;
}
}
}
*d++ = *s++;
}
*d = 0;
return str;
}
static INT_PTR ServiceParseAimLink(WPARAM /*wParam*/,LPARAM lParam)
{
if (lParam == 0) return 1; /* sanity check */
TCHAR *arg = (TCHAR*)lParam;
/* skip leading prefix */
arg = _tcschr(arg, ':');
if (arg == NULL) return 1; /* parse failed */
for (++arg; *arg == '/'; ++arg);
arg = NEWTSTR_ALLOCA(arg);
if (g_Instances.getCount() == 0) return 0;
CAimProto *proto = &g_Instances[0];
for (int i = 0; i < g_Instances.getCount(); ++i)
{
if (g_Instances[i].m_iStatus != ID_STATUS_OFFLINE && g_Instances[i].m_iStatus != ID_STATUS_CONNECTING)
{
proto = &g_Instances[i];
break;
}
}
if (proto == NULL) return 1;
/*
add user: aim:addbuddy?screenname=NICK&groupname=GROUP
send message: aim:goim?screenname=NICK&message=MSG
open chatroom: aim:gochat?roomname=ROOM&exchange=NUM
*/
/* add a contact to the list */
if (!_tcsnicmp(arg, _T("addbuddy?"), 9))
{
TCHAR *tok, *tok2;
char *sn = NULL, *group = NULL;
for (tok = arg + 8; tok != NULL; tok = tok2)
{
tok2 = _tcschr(++tok, '&'); /* first token */
if (tok2) *tok2 = 0;
if (!_tcsnicmp(tok, _T("screenname="), 11) && *(tok + 11) != 0)
sn = mir_t2a(url_decode(tok + 11));
if (!_tcsnicmp(tok, _T("groupname="), 10) && *(tok + 10) != 0)
group = mir_utf8encodeT(url_decode(tok + 10)); /* group is currently ignored */
}
if (sn == NULL)
{
mir_free(group);
return 1;
}
if (!proto->contact_from_sn(sn)) /* does not yet check if sn is current user */
{
HANDLE hContact = proto->contact_from_sn(sn, true);
proto->add_contact_to_group(hContact, group && group[0] ? group : AIM_DEFAULT_GROUP);
}
mir_free(group);
mir_free(sn);
return 0;
}
/* send a message to a contact */
else if (!_tcsnicmp(arg, _T("goim?"), 5))
{
TCHAR *tok, *tok2, *msg = NULL;
char *sn = NULL;
for (tok = arg + 4; tok != NULL; tok = tok2)
{
tok2 = _tcschr(++tok, '&'); /* first token */
if (tok2) *tok2=0;
if (!_tcsnicmp(tok, _T("screenname="), 11) && *(tok + 11) != 0)
sn = mir_t2a(url_decode(tok + 11));
if (!_tcsnicmp(tok, _T("message="), 8) && *(tok + 8) != 0)
msg = url_decode(tok + 8);
}
if (sn == NULL) return 1; /* parse failed */
HANDLE hContact = proto->contact_from_sn(sn, true, true);
if (hContact)
CallService(MS_MSG_SENDMESSAGET, (WPARAM)hContact, (LPARAM)msg);
mir_free(sn);
return 0;
}
/* open a chatroom */
else if (!_tcsnicmp(arg, _T("gochat?"), 7))
{
TCHAR *tok, *tok2;
char *rm = NULL;
int exchange = 0;
for (tok = arg + 6; tok != NULL; tok = tok2)
{
tok2 = _tcschr(++tok, '&'); /* first token */
if (tok2) *tok2 = 0;
if (!_tcsnicmp(tok, _T("roomname="), 9) && *(tok + 9) != 0)
{
rm = mir_t2a(url_decode(tok + 9));
for (char *ch = rm; *ch; ++ch)
if (*ch == '+') *ch = ' ';
}
if (!_tcsnicmp(tok, _T("exchange="), 9))
exchange = _ttoi(tok + 9);
}
if (rm == NULL || exchange <= 0)
{
mir_free(rm);
return 1;
}
chatnav_param* par = new chatnav_param(rm, (unsigned short)exchange);
proto->ForkThread(&CAimProto::chatnav_request_thread, par);
mir_free(rm);
return 0;
}
return 1; /* parse failed */
}
void aim_links_init(void)
{
static const char szService[] = "AIM/ParseAimLink";
hServiceParseLink = CreateServiceFunction(szService, ServiceParseAimLink);
AssocMgr_AddNewUrlTypeT("aim:", TranslateT("AIM Link Protocol"), hInstance, IDI_AOL, szService, 0);
}
void aim_links_destroy(void)
{
DestroyServiceFunction(hServiceParseLink);
}
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