yahoochat.c

yahoo message protocol stack

/*
 * gaim
 *
 * Gaim is the legal property of its developers, whose names are too numerous
 * to list here.  Please refer to the COPYRIGHT file distributed with this
 * source distribution.
 *
 * Some code copyright 2003 Tim Ringenbach <[e-mail]>
 * (marv on irc.freenode.net)
 * Some code borrowed from libyahoo2, copyright (C) 2002, Philip
 * S Tellis <philip . tellis AT gmx . net>
 *
 * 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
 *
 */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include "debug.h"
#include "prpl.h"

#include "conversation.h"
#include "notify.h"
#include "util.h"
#include "internal.h"

#include "yahoo.h"
#include "yahoochat.h"
#include "ycht.h"

#define YAHOO_CHAT_ID (1)

/* prototype(s) */
static void yahoo_chat_leave(GaimConnection *gc, const char *room, const char *dn, gboolean logout);

/* special function to log us on to the yahoo chat service */
static void yahoo_chat_online(GaimConnection *gc)
{
	struct yahoo_data *yd = gc->proto_data;
	struct yahoo_packet *pkt;

	if (yd->wm) {
		ycht_connection_open(gc);
		return;
	}

	pkt = yahoo_packet_new(YAHOO_SERVICE_CHATONLINE, YAHOO_STATUS_AVAILABLE,0);
	yahoo_packet_hash(pkt, 1, gaim_connection_get_display_name(gc));
	yahoo_packet_hash(pkt, 109, gaim_connection_get_display_name(gc));
	yahoo_packet_hash(pkt, 6, "abcde");

	yahoo_send_packet(yd, pkt);

	yahoo_packet_free(pkt);
}

/* this is slow, and different from the gaim_* version in that it (hopefully) won't add a user twice */
void yahoo_chat_add_users(GaimConvChat *chat, GList *newusers)
{
	GList *i;

	for (i = newusers; i; i = i->next) {
		if (gaim_conv_chat_find_user(chat, i->data))
			continue;
		gaim_conv_chat_add_user(chat, i->data, NULL, GAIM_CBFLAGS_NONE, TRUE);
	}
}

void yahoo_chat_add_user(GaimConvChat *chat, const char *user, const char *reason)
{
	if (gaim_conv_chat_find_user(chat, user))
		return;

	gaim_conv_chat_add_user(chat, user, reason, GAIM_CBFLAGS_NONE, TRUE);
}

static GaimConversation *yahoo_find_conference(GaimConnection *gc, const char *name)
{
	struct yahoo_data *yd;
	GSList *l;

	yd = gc->proto_data;

	for (l = yd->confs; l; l = l->next) {
		GaimConversation *c = l->data;
		if (!gaim_utf8_strcasecmp(gaim_conversation_get_name(c), name))
			return c;
	}
	return NULL;
}


void yahoo_process_conference_invite(GaimConnection *gc, struct yahoo_packet *pkt)
{
	GSList *l;
	char *room = NULL;
	char *who = NULL;
	char *msg = NULL;
	GString *members = NULL;
	GHashTable *components;


	if (pkt->status == 2)
		return; /* XXX */

	members = g_string_sized_new(512);

	for (l = pkt->hash; l; l = l->next) {
		struct yahoo_pair *pair = l->data;

		switch (pair->key) {
		case 1: /* us, but we already know who we are */
			break;
		case 57:
			room = yahoo_string_decode(gc, pair->value, FALSE);
			break;
		case 50: /* inviter */
			who = pair->value;
			g_string_append_printf(members, "%s\n", who);
			break;
		case 52: /* invitee (me) */
		case 53: /* members */
			g_string_append_printf(members, "%s\n", pair->value);
			break;
		case 58:
			msg = yahoo_string_decode(gc, pair->value, FALSE);
			break;
		case 13: /* ? */
			break;
		}
	}

	if (!room) {
		g_string_free(members, TRUE);
		return;
	}

	components = g_hash_table_new_full(g_str_hash, g_str_equal, g_free, g_free);
	g_hash_table_replace(components, g_strdup("room"), room);
	if (msg)
		g_hash_table_replace(components, g_strdup("topic"), msg);
	g_hash_table_replace(components, g_strdup("type"), g_strdup("Conference"));
	if (members) {
		g_hash_table_replace(components, g_strdup("members"), g_strdup(members->str));
	}
	serv_got_chat_invite(gc, room, who, msg, components);

	g_string_free(members, TRUE);
}

void yahoo_process_conference_decline(GaimConnection *gc, struct yahoo_packet *pkt)
{
	GSList *l;
	char *room = NULL;
	char *who = NULL;
	char *msg = NULL;

	for (l = pkt->hash; l; l = l->next) {
		struct yahoo_pair *pair = l->data;

		switch (pair->key) {
		case 57:
			room = yahoo_string_decode(gc, pair->value, FALSE);
			break;
		case 54:
			who = pair->value;
			break;
		case 14:
			msg = yahoo_string_decode(gc, pair->value, FALSE);
			break;
		}
	}

	if (who && room) {
		/* make sure we're in the room before we process a decline message for it */
		if(yahoo_find_conference(gc, room)) {
			char *tmp;

			tmp = g_strdup_printf(_("%s declined your conference invitation to room \"%s\" because \"%s\"."),
							who, room, msg?msg:"");
			gaim_notify_info(gc, NULL, _("Invitation Rejected"), tmp);
			g_free(tmp);
		}

		g_free(room);
		if (msg)
			g_free(msg);
	}
}

void yahoo_process_conference_logon(GaimConnection *gc, struct yahoo_packet *pkt)
{
	GSList *l;
	char *room = NULL;
	char *who = NULL;
	GaimConversation *c;

	for (l = pkt->hash; l; l = l->next) {
		struct yahoo_pair *pair = l->data;

		switch (pair->key) {
		case 57:
			room = yahoo_string_decode(gc, pair->value, FALSE);
			break;
		case 53:
			who = pair->value;
			break;
		}
	}

	if (who && room) {
		c = yahoo_find_conference(gc, room);
		if (c)
			yahoo_chat_add_user(GAIM_CONV_CHAT(c), who, NULL);
		g_free(room);
	}
}

void yahoo_process_conference_logoff(GaimConnection *gc, struct yahoo_packet *pkt)
{
	GSList *l;
	char *room = NULL;
	char *who = NULL;
	GaimConversation *c;

	for (l = pkt->hash; l; l = l->next) {
		struct yahoo_pair *pair = l->data;

		switch (pair->key) {
		case 57:
			room = yahoo_string_decode(gc, pair->value, FALSE);
			break;
		case 56:
			who = pair->value;
			break;
		}
	}

	if (who && room) {
		c = yahoo_find_conference(gc, room);
		if (c)
			gaim_conv_chat_remove_user(GAIM_CONV_CHAT(c), who, NULL);
		g_free(room);
	}
}

void yahoo_process_conference_message(GaimConnection *gc, struct yahoo_packet *pkt)
{
	GSList *l;
	char *room = NULL;
	char *who = NULL;
	char *msg = NULL;
	char *msg2;
	int utf8 = 0;
	GaimConversation *c;

	for (l = pkt->hash; l; l = l->next) {
		struct yahoo_pair *pair = l->data;

		switch (pair->key) {
		case 57:
			room = yahoo_string_decode(gc, pair->value, FALSE);
			break;
		case 3:
			who = pair->value;
			break;
		case 14:
			msg = pair->value;
			break;
		case 97:
			utf8 = strtol(pair->value, NULL, 10);
			break;
		}
	}

		if (room && who && msg) {
			msg2 = yahoo_string_decode(gc, msg, utf8);
			c = yahoo_find_conference(gc, room);
			if (!c)
				return;
			msg = yahoo_codes_to_html(msg2);
			serv_got_chat_in(gc, gaim_conv_chat_get_id(GAIM_CONV_CHAT(c)), who, 0, msg, time(NULL));
			g_free(msg);
			g_free(msg2);
		}
		if (room)
			g_free(room);
}


/* this is a confirmation of yahoo_chat_online(); */
void yahoo_process_chat_online(GaimConnection *gc, struct yahoo_packet *pkt)
{
	struct yahoo_data *yd = (struct yahoo_data *) gc->proto_data;

	if (pkt->status == 1)
		yd->chat_online = 1;
}

/* this is basicly the opposite of chat_online */
void yahoo_process_chat_logout(GaimConnection *gc, struct yahoo_packet *pkt)
{
	struct yahoo_data *yd = (struct yahoo_data *) gc->proto_data;
	GSList *l;

	for (l = pkt->hash; l; l = l->next) {
		struct yahoo_pair *pair = l->data;

		if (pair->key == 1)
			if (g_ascii_strcasecmp(pair->value,
					gaim_connection_get_display_name(gc)))
				return;
	}

	if (pkt->status == 1) {
		yd->chat_online = 0;
		if (yd->in_chat)
			yahoo_c_leave(gc, YAHOO_CHAT_ID);
	}
}

void yahoo_process_chat_join(GaimConnection *gc, struct yahoo_packet *pkt)
{
	struct yahoo_data *yd = (struct yahoo_data *) gc->proto_data;
	GaimConversation *c = NULL;
	GSList *l;
	GList *members = NULL;
	char *room = NULL;
	char *topic = NULL;
	char *someid, *someotherid, *somebase64orhashosomething, *somenegativenumber;

	if (pkt->status == -1) {
		gaim_notify_error(gc, NULL, _("Failed to join chat"), _("Maybe the room is full?"));
		return;
	}

	for (l = pkt->hash; l; l = l->next) {
		struct yahoo_pair *pair = l->data;

		switch (pair->key) {

		case 104:
			room = yahoo_string_decode(gc, pair->value, TRUE);
			break;
		case 105:
			topic = yahoo_string_decode(gc, pair->value, TRUE);
			break;
		case 128:
			someid = pair->value;
			break;
		case 108: /* number of joiners */
			break;
		case 129:
			someotherid = pair->value;
			break;
		case 130:
			somebase64orhashosomething = pair->value;
			break;
		case 126:
			somenegativenumber = pair->value;
			break;
		case 13: /* this is 1. maybe its the type of room? (normal, user created, private, etc?) */
			break;
		case 61: /*this looks similar to 130 */
			break;

		/* the previous section was just room info. this next section is
		   info about individual room members, (including us) */

		case 109: /* the yahoo id */
			members = g_list_append(members, pair->value);
			break;
		case 110: /* age */
			break;
		case 141: /* nickname */
			break;
		case 142: /* location */
			break;
		case 113: /* bitmask */
			break;
		}
	}


	if (room && yd->chat_name && gaim_utf8_strcasecmp(room, yd->chat_name))
		yahoo_chat_leave(gc, room,
				gaim_connection_get_display_name(gc), FALSE);

	c = gaim_find_chat(gc, YAHOO_CHAT_ID);

	if (room && (!c || gaim_conv_chat_has_left(GAIM_CONV_CHAT(c))) && members &&
	   ((g_list_length(members) > 1) ||
	     !g_ascii_strcasecmp(members->data, gaim_connection_get_display_name(gc)))) {
		int i;
		GList *flags = NULL;
		for (i = 0; i < g_list_length(members); i++)
			flags = g_list_append(flags, GINT_TO_POINTER(GAIM_CBFLAGS_NONE));
		if (c && gaim_conv_chat_has_left(GAIM_CONV_CHAT(c))) {
			/* this might be a hack, but oh well, it should nicely */
			char *tmpmsg;

			gaim_conversation_set_name(c, room);

			c = serv_got_joined_chat(gc, YAHOO_CHAT_ID, room);
			if (topic)
				gaim_conv_chat_set_topic(GAIM_CONV_CHAT(c), NULL, topic);
			yd->in_chat = 1;
			yd->chat_name = g_strdup(room);
			gaim_conv_chat_add_users(GAIM_CONV_CHAT(c), members, flags);

			tmpmsg = g_strdup_printf(_("You are now chatting in %s."), room);
			gaim_conv_chat_write(GAIM_CONV_CHAT(c), "", tmpmsg, GAIM_MESSAGE_SYSTEM, time(NULL));
			g_free(tmpmsg);
		} else {
			c = serv_got_joined_chat(gc, YAHOO_CHAT_ID, room);
			if (topic)
				gaim_conv_chat_set_topic(GAIM_CONV_CHAT(c), NULL, topic);
			yd->in_chat = 1;
			yd->chat_name = g_strdup(room);
			gaim_conv_chat_add_users(GAIM_CONV_CHAT(c), members, flags);
		}
	} else if (c) {
		yahoo_chat_add_users(GAIM_CONV_CHAT(c), members);
	}

	g_list_free(members);
	g_free(room);
	if (topic)
		g_free(topic);
}

void yahoo_process_chat_exit(GaimConnection *gc, struct yahoo_packet *pkt)
{
	char *who = NULL;
	char *room = NULL;
	GSList *l;
	struct yahoo_data *yd;

	yd = gc->proto_data;

	for (l = pkt->hash; l; l = l->next) {
		struct yahoo_pair *pair = l->data;

		if (pair->key == 104)
			room = yahoo_string_decode(gc, pair->value, TRUE);
		if (pair->key == 109)
			who = pair->value;
	}


	if (who && room) {
		GaimConversation *c = gaim_find_chat(gc, YAHOO_CHAT_ID);
		if (c && !gaim_utf8_strcasecmp(gaim_conversation_get_name(c), room))
			gaim_conv_chat_remove_user(GAIM_CONV_CHAT(c), who, NULL);

	}
	if (room)
		g_free(room);
}

void yahoo_process_chat_message(GaimConnection *gc, struct yahoo_packet *pkt)
{
	char *room = NULL, *who = NULL, *msg = NULL, *msg2;
	int msgtype = 1, utf8 = 1; /* default to utf8 */
	GaimConversation *c = NULL;
	GSList *l;

	for (l = pkt->hash; l; l = l->next) {
		struct yahoo_pair *pair = l->data;

		switch (pair->key) {

		case 97:
			utf8 = strtol(pair->value, NULL, 10);
			break;
		case 104:
			room = yahoo_string_decode(gc, pair->value, TRUE);
			break;
		case 109:
			who = pair->value;
			break;