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path: root/protocols/Yahoo/src/im.cpp
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/*
 * $Id: im.cpp 12307 2010-08-11 21:49:46Z Michael.Kunz@s2005.TU-Chemnitz.de $
 *
 * myYahoo Miranda Plugin
 *
 * Authors: Gennady Feldman (aka Gena01)
 *          Laurent Marechal (aka Peorth)
 *
 * This code is under GPL and is based on AIM, MSN and Miranda source code.
 * I want to thank Robert Rainwater and George Hazan for their code and support
 * and for answering some of my questions during development of this plugin.
 */

#include "yahoo.h"
#include <m_langpack.h>
#include <m_protosvc.h>

#include "avatar.h"
#include "im.h"
#include "ignore.h"

void CYahooProto::send_msg(const char *id, int protocol, const char *msg, int utf8)
{
	LOG(("[send_msg] Who: %s: protocol: %d Msg: '%s', utf: %d", id, protocol, msg, utf8));

	int buddy_icon = (getDword("AvatarHash", 0) != 0) ? 2: 0;
	yahoo_send_im(m_id, NULL, id, protocol, msg, utf8, buddy_icon);
}

void CYahooProto::ext_got_im(const char *me, const char *who, int protocol, const char *msg,
								long tm, int stat, int utf8, int buddy_icon,
								const char *seqn, int sendn)
{
	char 		*umsg;
	const char	*c = msg;
	int 		oidx = 0;

	LOG(("YAHOO_GOT_IM id:%s %s: %s (len: %d) tm:%lu stat:%i utf8:%i buddy_icon: %i", me, who, msg, mir_strlen(msg), tm, stat, utf8, buddy_icon));

	if (stat == 2) {
		char z[1024];

		mir_snprintf(z, SIZEOF(z), "Error sending message to %s", who);
		LOG((z));
		ShowError( TranslateT("Yahoo Error"), _A2T(z));
		return;
	}

	if (!msg) {
		LOG(("Empty Incoming Message, exiting."));
		return;
	}

	if (getByte("IgnoreUnknown", 0)) {

		/*
		* Check our buddy list to see if we have it there. And if it's not on the list then we don't accept any IMs.
		*/
		if (getbuddyH(who) == NULL) {
			LOG(("Ignoring unknown user messages. User '%s'. Dropping Message.", who));
			return;
		}
	}

	if ( BuddyIgnored( who )) {
		LOG(("User '%s' on our Ignore List. Dropping Message.", who));
		return;
	}

	// make a bigger buffer for \n -> \r\n conversion (x2)
	umsg = (char *) alloca(mir_strlen(msg) * 2 + 1);

	while ( *c != '\0') {
		// Strip the font tag
		if (!_strnicmp(c,"<font ",6) || !_strnicmp(c,"</font>",6) ||
			// strip the fade tag
			!_strnicmp(c, "<FADE ",6) || !_strnicmp(c,"</FADE>",7) ||
			// strip the alternate colors tag
			!_strnicmp(c, "<ALT ",5) || !_strnicmp(c, "</ALT>",6)) {
				while ((*c++ != '>') && (*c != '\0'));
		} else
			// strip ANSI color combination
			if ((*c == 0x1b) && (*(c+1) == '[')) {
				while ((*c++ != 'm') && (*c != '\0'));
			} else

				if (*c != '\0') {
					umsg[oidx++] = *c;

					/* Adding \r to \r\n conversion */
					if (*c == '\r' && *(c + 1) != '\n')
						umsg[oidx++] = '\n';

					c++;
				}
	}

	umsg[oidx++]= '\0';

	/* Need to strip off formatting stuff first. Then do all decoding/converting */
	LOG(("%s: %s", who, umsg));

	MCONTACT hContact = add_buddy(who, who, protocol, PALF_TEMPORARY);
	//setWord(hContact, "yprotoid", protocol);
	Set_Protocol(hContact, protocol);

	PROTORECVEVENT pre = { 0 };
	pre.flags = (utf8) ? PREF_UTF : 0;

	if (tm) {
		HANDLE hEvent = db_event_last(hContact);

		if (hEvent) { // contact has events
			DWORD dummy;
			DBEVENTINFO dbei = { sizeof (dbei) };
			dbei.pBlob = (BYTE*)&dummy;
			dbei.cbBlob = 2;
			if (!db_event_get(hEvent, &dbei))
				// got that event, if newer than ts then reset to current time
				if ((DWORD)tm < dbei.timestamp) tm = (long)time(NULL);
		}

		pre.timestamp = (DWORD)time(NULL);

		if ((DWORD)tm < pre.timestamp)
			pre.timestamp = tm;

	}
	else pre.timestamp = (DWORD)time(NULL);

	pre.szMessage = umsg;
	pre.lParam = 0;

	// Turn off typing
	CallService(MS_PROTO_CONTACTISTYPING, hContact, PROTOTYPE_CONTACTTYPING_OFF);
	ProtoChainRecvMsg(hContact, &pre);

	// ack the message we just got
	if (seqn)
		yahoo_send_im_ack(m_id, me, who, seqn, sendn);

	if (buddy_icon < 0) return;

	//?? Don't generate floods!!
	setByte(hContact, "AvatarType", (BYTE)buddy_icon);
	if (buddy_icon != 2)
		reset_avatar(hContact);
	else if (getDword(hContact, "PictCK", 0) == 0) /* request the buddy image */
		request_avatar(who);
}

////////////////////////////////////////////////////////////////////////////////////////
// SendMessage - sends a message

void __cdecl CYahooProto::im_sendacksuccess(void *hContact)
{
	ProtoBroadcastAck((MCONTACT)hContact, ACKTYPE_MESSAGE, ACKRESULT_SUCCESS, (HANDLE)1, 0);
}

void __cdecl CYahooProto::im_sendackfail(void *hContact)
{
	SleepEx(1000, TRUE);
	ProtoBroadcastAck((MCONTACT)hContact, ACKTYPE_MESSAGE, ACKRESULT_FAILED, (HANDLE)1,
		(LPARAM)Translate("The message send timed out."));
}

void __cdecl CYahooProto::im_sendackfail_longmsg(void *hContact)
{
	SleepEx(1000, TRUE);
	ProtoBroadcastAck((MCONTACT)hContact, ACKTYPE_MESSAGE, ACKRESULT_FAILED, (HANDLE)1,
		(LPARAM)Translate("Message is too long: Yahoo messages are limited by 800 UTF8 chars"));
}

int __cdecl CYahooProto::SendMsg(MCONTACT hContact, int flags, const char* pszSrc)
{
	if (!m_bLoggedIn) {/* don't send message if we not connected! */
		ForkThread(&CYahooProto::im_sendackfail, (void*)hContact);
		return 1;
	}

	ptrA msg;
	if (flags & PREF_UNICODE) /* convert to utf8 */
		msg = mir_utf8encodeW((wchar_t*)&pszSrc[mir_strlen(pszSrc) + 1]);
	else if (flags & PREF_UTF)
		msg = mir_strdup(pszSrc);
	else
		msg = mir_utf8encode(pszSrc);

	if (mir_strlen(msg) > 800) {
		ForkThread(&CYahooProto::im_sendackfail_longmsg, (void*)hContact);
		return 1;
	}

	DBVARIANT dbv;
	if (!getString(hContact, YAHOO_LOGINID, &dbv)) {
		send_msg(dbv.pszVal, getWord(hContact, "yprotoid", 0), msg, 1);

		ForkThread(&CYahooProto::im_sendacksuccess, (void*)hContact);

		db_free(&dbv);
		return 1;
	}

	return 0;
}

////////////////////////////////////////////////////////////////////////////////////////
// RecvMsg

int __cdecl CYahooProto::RecvMsg(MCONTACT hContact, PROTORECVEVENT* pre)
{
	db_unset(hContact, "CList", "Hidden");

	// NUDGES
	if (!lstrcmpA(pre->szMessage, "<ding>") && ServiceExists("NUDGE/Send")) {
		debugLogA("[YahooRecvMessage] Doing Nudge Service!");
		NotifyEventHooks(hYahooNudge, hContact, pre->timestamp);
		return 0;
	}

	return Proto_RecvMessage(hContact, pre);
}

//=======================================================
// Send a nudge
//=======================================================

INT_PTR __cdecl CYahooProto::SendNudge(WPARAM hContact, LPARAM lParam)
{
	debugLogA("[YAHOO_SENDNUDGE]");

	if (!m_bLoggedIn) {/* don't send nudge if we not connected! */
		ForkThread(&CYahooProto::im_sendackfail, (void*)hContact);
		return 1;
	}

	DBVARIANT dbv;
	if (!getString(hContact, YAHOO_LOGINID, &dbv)) {
		send_msg(dbv.pszVal, getWord(hContact, "yprotoid", 0), "<ding>", 0);
		db_free(&dbv);

		ForkThread(&CYahooProto::im_sendacksuccess, (void*)hContact);
		return 1;
	}

	return 0;
}