diff options
Diffstat (limited to 'protocols/jabber/conference.c')
| -rw-r--r-- | protocols/jabber/conference.c | 375 |
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 = '/'; + } +} |