Merge trunk.

1 files changed, 375 insertions, 0 deletions

diff --git a/protocols/jabber/conference.c b/protocols/jabber/conference.c
new file mode 100644
index 00000000..79fdd053
--- /dev/null
+++ b/protocols/jabber/conference.c
@@ -0,0 +1,375 @@
+/***************************************************************************\
+*                                                                           *
+*  BitlBee - An IRC to IM gateway                                           *
+*  Jabber module - Conference rooms                                         *
+*                                                                           *
+*  Copyright 2007 Wilmer van der Gaast <wilmer@gaast.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.,  *
+*  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.              *
+*                                                                           *
+\***************************************************************************/
+
+#include "jabber.h"
+
+static xt_status jabber_chat_join_failed( struct im_connection *ic, struct xt_node *node, struct xt_node *orig );
+
+struct groupchat *jabber_chat_join( struct im_connection *ic, char *room, char *nick, char *password )
+{
+	struct jabber_chat *jc;
+	struct xt_node *node;
+	struct groupchat *c;
+	char *roomjid;
+	
+	roomjid = g_strdup_printf( "%s/%s", room, nick );
+	node = xt_new_node( "x", NULL, NULL );
+	xt_add_attr( node, "xmlns", XMLNS_MUC );
+	node = jabber_make_packet( "presence", NULL, roomjid, node );
+	if( password )
+		xt_add_child( node, xt_new_node( "password", password, NULL ) );
+	jabber_cache_add( ic, node, jabber_chat_join_failed );
+	
+	if( !jabber_write_packet( ic, node ) )
+	{
+		g_free( roomjid );
+		return NULL;
+	}
+	
+	jc = g_new0( struct jabber_chat, 1 );
+	jc->name = jabber_normalize( room );
+	
+	if( ( jc->me = jabber_buddy_add( ic, roomjid ) ) == NULL )
+	{
+		g_free( roomjid );
+		g_free( jc->name );
+		g_free( jc );
+		return NULL;
+	}
+	
+	/* roomjid isn't normalized yet, and we need an original version
+	   of the nick to send a proper presence update. */
+	jc->my_full_jid = roomjid;
+	
+	c = imcb_chat_new( ic, room );
+	c->data = jc;
+	
+	return c;
+}
+
+static xt_status jabber_chat_join_failed( struct im_connection *ic, struct xt_node *node, struct xt_node *orig )
+{
+	struct jabber_error *err;
+	struct jabber_buddy *bud;
+	char *room;
+	
+	room = xt_find_attr( orig, "to" );
+	bud = jabber_buddy_by_jid( ic, room, 0 );
+	err = jabber_error_parse( xt_find_node( node->children, "error" ), XMLNS_STANZA_ERROR );
+	if( err )
+	{
+		imcb_error( ic, "Error joining groupchat %s: %s%s%s", room, err->code,
+		            err->text ? ": " : "", err->text ? err->text : "" );
+		jabber_error_free( err );
+	}
+	if( bud )
+		jabber_chat_free( jabber_chat_by_jid( ic, bud->bare_jid ) );
+	
+	return XT_HANDLED;
+}
+
+struct groupchat *jabber_chat_by_jid( struct im_connection *ic, const char *name )
+{
+	char *normalized = jabber_normalize( name );
+	struct groupchat *ret;
+	struct jabber_chat *jc;
+	
+	for( ret = ic->groupchats; ret; ret = ret->next )
+	{
+		jc = ret->data;
+		if( strcmp( normalized, jc->name ) == 0 )
+			break;
+	}
+	g_free( normalized );
+	
+	return ret;
+}
+
+void jabber_chat_free( struct groupchat *c )
+{
+	struct jabber_chat *jc = c->data;
+	
+	jabber_buddy_remove_bare( c->ic, jc->name );
+	
+	g_free( jc->my_full_jid );
+	g_free( jc->name );
+	g_free( jc );
+	
+	imcb_chat_free( c );
+}
+
+int jabber_chat_msg( struct groupchat *c, char *message, int flags )
+{
+	struct im_connection *ic = c->ic;
+	struct jabber_chat *jc = c->data;
+	struct xt_node *node;
+	
+	jc->flags |= JCFLAG_MESSAGE_SENT;
+	
+	node = xt_new_node( "body", message, NULL );
+	node = jabber_make_packet( "message", "groupchat", jc->name, node );
+	
+	if( !jabber_write_packet( ic, node ) )
+	{
+		xt_free_node( node );
+		return 0;
+	}
+	xt_free_node( node );
+	
+	return 1;
+}
+
+int jabber_chat_topic( struct groupchat *c, char *topic )
+{
+	struct im_connection *ic = c->ic;
+	struct jabber_chat *jc = c->data;
+	struct xt_node *node;
+	
+	node = xt_new_node( "subject", topic, NULL );
+	node = jabber_make_packet( "message", "groupchat", jc->name, node );
+	
+	if( !jabber_write_packet( ic, node ) )
+	{
+		xt_free_node( node );
+		return 0;
+	}
+	xt_free_node( node );
+	
+	return 1;
+}
+
+int jabber_chat_leave( struct groupchat *c, const char *reason )
+{
+	struct im_connection *ic = c->ic;
+	struct jabber_chat *jc = c->data;
+	struct xt_node *node;
+	
+	node = xt_new_node( "x", NULL, NULL );
+	xt_add_attr( node, "xmlns", XMLNS_MUC );
+	node = jabber_make_packet( "presence", "unavailable", jc->my_full_jid, node );
+	
+	if( !jabber_write_packet( ic, node ) )
+	{
+		xt_free_node( node );
+		return 0;
+	}
+	xt_free_node( node );
+	
+	return 1;
+}
+
+void jabber_chat_invite( struct groupchat *c, char *who, char *message )
+{
+	struct xt_node *node;
+	struct im_connection *ic = c->ic;
+	struct jabber_chat *jc = c->data;
+
+	node = xt_new_node( "reason", message, NULL ); 
+
+	node = xt_new_node( "invite", NULL, node );
+	xt_add_attr( node, "to", who ); 
+
+	node = xt_new_node( "x", NULL, node ); 
+	xt_add_attr( node, "xmlns", XMLNS_MUC_USER ); 
+	
+	node = jabber_make_packet( "message", NULL, jc->name, node ); 
+
+	jabber_write_packet( ic, node ); 
+
+	xt_free_node( node );
+}
+
+/* Not really the same syntax as the normal pkt_ functions, but this isn't
+   called by the xmltree parser directly and this way I can add some extra
+   parameters so we won't have to repeat too many things done by the caller
+   already. */
+void jabber_chat_pkt_presence( struct im_connection *ic, struct jabber_buddy *bud, struct xt_node *node )
+{
+	struct groupchat *chat;
+	struct xt_node *c;
+	char *type = xt_find_attr( node, "type" );
+	struct jabber_chat *jc;
+	char *s;
+	
+	if( ( chat = jabber_chat_by_jid( ic, bud->bare_jid ) ) == NULL )
+	{
+		/* How could this happen?? We could do kill( self, 11 )
+		   now or just wait for the OS to do it. :-) */
+		return;
+	}
+	
+	jc = chat->data;
+	
+	if( type == NULL && !( bud->flags & JBFLAG_IS_CHATROOM ) )
+	{
+		bud->flags |= JBFLAG_IS_CHATROOM;
+		/* If this one wasn't set yet, this buddy just joined the chat.
+		   Slightly hackish way of finding out eh? ;-) */
+		
+		/* This is pretty messy... Here it sets ext_jid to the real
+		   JID of the participant. Works for non-anonymized channels.
+		   Might break if someone joins a chat twice, though. */
+		for( c = node->children; ( c = xt_find_node( c, "x" ) ); c = c->next )
+			if( ( s = xt_find_attr( c, "xmlns" ) ) &&
+			    ( strcmp( s, XMLNS_MUC_USER ) == 0 ) )
+			{
+				c = xt_find_node( c->children, "item" );
+				if( ( s = xt_find_attr( c, "jid" ) ) )
+				{
+					/* Yay, found what we need. :-) */
+					bud->ext_jid = jabber_normalize( s );
+					break;
+				}
+			}
+		
+		/* Make up some other handle, if necessary. */
+		if( bud->ext_jid == NULL )
+		{
+			if( bud == jc->me )
+			{
+				bud->ext_jid = jabber_normalize( ic->acc->user );
+			}
+			else
+			{
+				int i;
+				
+				/* Don't want the nick to be at the end, so let's
+				   think of some slightly different notation to use
+				   for anonymous groupchat participants in BitlBee. */
+				bud->ext_jid = g_strdup_printf( "%s=%s", bud->resource, bud->bare_jid );
+				
+				/* And strip any unwanted characters. */
+				for( i = 0; bud->resource[i]; i ++ )
+					if( bud->ext_jid[i] == '=' || bud->ext_jid[i] == '@' )
+						bud->ext_jid[i] = '_';
+				
+				/* Some program-specific restrictions. */
+				imcb_clean_handle( ic, bud->ext_jid );
+			}
+			bud->flags |= JBFLAG_IS_ANONYMOUS;
+		}
+		
+		if( bud != jc->me )
+		{
+			imcb_add_buddy( ic, bud->ext_jid, NULL );
+			imcb_buddy_nick_hint( ic, bud->ext_jid, bud->resource );
+		}
+		
+		s = strchr( bud->ext_jid, '/' );
+		if( s ) *s = 0; /* Should NEVER be NULL, but who knows... */
+		imcb_chat_add_buddy( chat, bud->ext_jid );
+		if( s ) *s = '/';
+	}
+	else if( type ) /* type can only be NULL or "unavailable" in this function */
+	{
+		s = strchr( bud->ext_jid, '/' );
+		if( s ) *s = 0;
+		imcb_chat_remove_buddy( chat, bud->ext_jid, NULL );
+		if( bud != jc->me && bud->flags & JBFLAG_IS_ANONYMOUS )
+			imcb_remove_buddy( ic, bud->ext_jid, NULL );
+		if( s ) *s = '/';
+		
+		if( bud == jc->me )
+			jabber_chat_free( chat );
+	}
+}
+
+void jabber_chat_pkt_message( struct im_connection *ic, struct jabber_buddy *bud, struct xt_node *node )
+{
+	struct xt_node *subject = xt_find_node( node->children, "subject" );
+	struct xt_node *body = xt_find_node( node->children, "body" );
+	struct groupchat *chat = bud ? jabber_chat_by_jid( ic, bud->bare_jid ) : NULL;
+	struct jabber_chat *jc = chat ? chat->data : NULL;
+	char *s;
+	
+	if( bud == NULL || ( jc && ~jc->flags & JCFLAG_MESSAGE_SENT && bud == jc->me ) )
+	{
+		char *nick;
+		
+		if( body == NULL || body->text_len == 0 )
+			/* Meh. Empty messages aren't very interesting, no matter
+			   how much some servers love to send them. */
+			return;
+		
+		s = xt_find_attr( node, "from" ); /* pkt_message() already NULL-checked this one. */
+		nick = strchr( s, '/' );
+		if( nick )
+		{
+			/* If this message included a resource/nick we don't know,
+			   we might still know the groupchat itself. */
+			*nick = 0;
+			chat = jabber_chat_by_jid( ic, s );
+			*nick = '/';
+			
+			nick ++;
+		}
+		else
+		{
+			/* message.c uses the EXACT_JID option, so bud should
+			   always be NULL here for bare JIDs. */
+			chat = jabber_chat_by_jid( ic, s );
+		}
+		
+		if( nick == NULL )
+		{
+			/* This is fine, the groupchat itself isn't in jd->buddies. */
+			if( chat )
+				imcb_chat_log( chat, "From conference server: %s", body->text );
+			else
+				imcb_log( ic, "System message from unknown groupchat %s: %s", s, body->text );
+		}
+		else
+		{
+			/* This can happen too, at least when receiving a backlog when
+			   just joining a channel. */
+			if( chat )
+				imcb_chat_log( chat, "Message from unknown participant %s: %s", nick, body->text );
+			else
+				imcb_log( ic, "Groupchat message from unknown JID %s: %s", s, body->text );
+		}
+		
+		return;
+	}
+	else if( chat == NULL )
+	{
+		/* How could this happen?? We could do kill( self, 11 )
+		   now or just wait for the OS to do it. :-) */
+		return;
+	}
+	
+	if( subject )
+	{
+		s = strchr( bud->ext_jid, '/' );
+		if( s ) *s = 0;
+		imcb_chat_topic( chat, bud->ext_jid, subject->text_len > 0 ?
+		                 subject->text : NULL, jabber_get_timestamp( node ) );
+		if( s ) *s = '/';
+	}
+	if( body && body->text_len > 0 )
+	{
+		s = strchr( bud->ext_jid, '/' );
+		if( s ) *s = 0;
+		imcb_chat_msg( chat, bud->ext_jid, body->text, 0, jabber_get_timestamp( node ) );
+		if( s ) *s = '/';
+	}
+}