Changeset 8c1eb80


Ignore:
Timestamp:
2008-02-03T16:59:39Z (12 years ago)
Author:
Wilmer van der Gaast <wilmer@…>
Branches:
master
Children:
8ff0a61
Parents:
979cfb4
Message:

Implemented XEP-0115. This adds some info to the <presence/> tags so
clients interested in capabilities can cache discovery info, so they don't
have to ask about it every time you/they log in.

Location:
protocols/jabber
Files:
3 edited

Legend:

Unmodified
Added
Removed
  • protocols/jabber/iq.c

    r979cfb4 r8c1eb80  
    9292                else if( strcmp( s, XMLNS_DISCOVER ) == 0 )
    9393                {
    94                         const char *features[] = { XMLNS_VERSION,
     94                        const char *features[] = { XMLNS_DISCOVER,
     95                                                   XMLNS_VERSION,
    9596                                                   XMLNS_TIME,
    9697                                                   XMLNS_CHATSTATES,
  • protocols/jabber/jabber.h

    r979cfb4 r8c1eb80  
    166166#define XMLNS_MUC          "http://jabber.org/protocol/muc"     /* XEP-0045 */
    167167#define XMLNS_MUC_USER     "http://jabber.org/protocol/muc#user"/* XEP-0045 */
     168#define XMLNS_CAPS         "http://jabber.org/protocol/caps"    /* XEP-0115 */
    168169
    169170/* iq.c */
  • protocols/jabber/presence.c

    r979cfb4 r8c1eb80  
    2929        char *from = xt_find_attr( node, "from" );
    3030        char *type = xt_find_attr( node, "type" );      /* NULL should mean the person is online. */
    31         struct xt_node *c;
     31        struct xt_node *c, *cap;
    3232        struct jabber_buddy *bud, *send_presence = NULL;
    3333        int is_chat = 0;
     
    7676                else
    7777                        bud->priority = 0;
     78               
     79                if( bud && ( cap = xt_find_node( node->children, "c" ) ) &&
     80                    ( s = xt_find_attr( cap, "xmlns" ) ) && strcmp( s, XMLNS_CAPS ) == 0 )
     81                {
     82                        /* This <presence> stanza includes an XEP-0115
     83                           capabilities part. Not too interesting, but we can
     84                           see if it has an ext= attribute. */
     85                        s = xt_find_attr( cap, "ext" );
     86                        if( s && ( strstr( s, "cstates" ) || strstr( s, "chatstate" ) ) )
     87                                bud->flags |= JBFLAG_DOES_XEP85;
     88                       
     89                        /* This field can contain more information like xhtml
     90                           support, but we don't support that ourselves.
     91                           Officially the ext= tag was deprecated, but enough
     92                           clients do send it.
     93                           
     94                           (I'm aware that this is not the right way to use
     95                           this field.) See for an explanation of ext=:
     96                           http://www.xmpp.org/extensions/attic/xep-0115-1.3.html*/
     97                }
    7898               
    7999                if( is_chat )
     
    186206{
    187207        struct jabber_data *jd = ic->proto_data;
    188         struct xt_node *node;
     208        struct xt_node *node, *cap;
    189209        char *show = jd->away_state->code;
    190210        char *status = jd->away_message;
     
    199219                xt_add_child( node, xt_new_node( "status", status, NULL ) );
    200220       
     221        /* This makes the packet slightly bigger, but clients interested in
     222           capabilities can now cache the discovery info. This reduces the
     223           usual post-login iq-flood. See XEP-0115. At least libpurple and
     224           Trillian seem to do this right. */
     225        cap = xt_new_node( "c", NULL, NULL );
     226        xt_add_attr( cap, "xmlns", XMLNS_CAPS );
     227        xt_add_attr( cap, "node", "http://bitlbee.org/xmpp/caps" );
     228        xt_add_attr( cap, "ver", BITLBEE_VERSION ); /* The XEP wants this hashed, but nobody's doing that. */
     229        xt_add_child( node, cap );
     230       
    201231        st = jabber_write_packet( ic, node );
    202232       
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