source: irc_im.c @ 81186cab

  /********************************************************************\
  * BitlBee -- An IRC to other IM-networks gateway                     *
  *                                                                    *
  * Copyright 2002-2010 Wilmer van der Gaast and others                *
  \********************************************************************/

/* Some glue to put the IRC and the IM stuff together.                  */

/*
  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 with
  the Debian GNU/Linux distribution in /usr/share/common-licenses/GPL;
  if not, write to the Free Software Foundation, Inc., 59 Temple Place,
  Suite 330, Boston, MA  02111-1307  USA
*/

#include "bitlbee.h"
#include "dcc.h"

/* IM->IRC callbacks */

static const struct irc_user_funcs irc_user_im_funcs;

static gboolean bee_irc_user_new( bee_t *bee, bee_user_t *bu )
{
        irc_user_t *iu;
        char nick[MAX_NICK_LENGTH+1], *s;
        
        memset( nick, 0, MAX_NICK_LENGTH + 1 );
        strcpy( nick, nick_get( bu->ic->acc, bu->handle ) );
        
        bu->ui_data = iu = irc_user_new( (irc_t*) bee->ui_data, nick );
        iu->bu = bu;
        
        if( ( s = strchr( bu->handle, '@' ) ) )
        {
                iu->host = g_strdup( s + 1 );
                iu->user = g_strndup( bu->handle, s - bu->handle );
        }
        else if( bu->ic->acc->server )
        {
                iu->host = g_strdup( bu->ic->acc->server );
                iu->user = g_strdup( bu->handle );
                
                /* s/ /_/ ... important for AOL screennames */
                for( s = iu->user; *s; s ++ )
                        if( *s == ' ' )
                                *s = '_';
        }
        else
        {
                iu->host = g_strdup( bu->ic->acc->prpl->name );
                iu->user = g_strdup( bu->handle );
        }
        
        if( set_getbool( &bee->set, "private" ) )
                iu->flags |= IRC_USER_PRIVATE;
        
        iu->f = &irc_user_im_funcs;
        //iu->last_typing_notice = 0;
        
        return TRUE;
}

static gboolean bee_irc_user_free( bee_t *bee, bee_user_t *bu )
{
        return irc_user_free( bee->ui_data, (irc_user_t *) bu->ui_data );
}

static gboolean bee_irc_user_status( bee_t *bee, bee_user_t *bu, bee_user_t *old )
{
        irc_t *irc = bee->ui_data;
        irc_channel_t *ic = irc->channels->data; /* For now, just pick the first channel. */
        
        if( ( bu->flags & BEE_USER_ONLINE ) != ( old->flags & BEE_USER_ONLINE ) )
        {
                if( bu->flags & BEE_USER_ONLINE )
                        irc_channel_add_user( ic, (irc_user_t*) bu->ui_data );
                else
                        irc_channel_del_user( ic, (irc_user_t*) bu->ui_data );
        }
        
        return TRUE;
}

static gboolean bee_irc_user_msg( bee_t *bee, bee_user_t *bu, const char *msg, time_t sent_at )
{
        irc_t *irc = bee->ui_data;
        irc_channel_t *ic = irc->channels->data;
        irc_user_t *iu = (irc_user_t *) bu->ui_data;
        char *dst, *prefix = NULL;
        char *wrapped;
        
        if( iu->flags & IRC_USER_PRIVATE )
        {
                dst = irc->user->nick;
        }
        else
        {
                dst = ic->name;
                prefix = g_strdup_printf( "%s%s", irc->user->nick, set_getstr( &bee->set, "to_char" ) );
        }
        
        wrapped = word_wrap( msg, 425 );
        irc_send_msg( iu, "PRIVMSG", dst, wrapped, prefix );
        
        g_free( wrapped );
        g_free( prefix );
        
        return TRUE;
}

static gboolean bee_irc_user_typing( bee_t *bee, bee_user_t *bu, uint32_t flags )
{
        irc_t *irc = (irc_t *) bee->ui_data;
        
        if( set_getbool( &bee->set, "typing_notice" ) )
                irc_send_msg_f( (irc_user_t *) bu->ui_data, "PRIVMSG", irc->user->nick,
                                "\001TYPING %d\001", ( flags >> 8 ) & 3 );
        else
                return FALSE;
        
        return TRUE;
}

static gboolean bee_irc_user_fullname( bee_t *bee, bee_user_t *bu )
{
        irc_user_t *iu = (irc_user_t *) bu->ui_data;
        irc_t *irc = (irc_t *) bee->ui_data;
        char *s;
        
        if( iu->fullname != iu->nick )
                g_free( iu->fullname );
        iu->fullname = g_strdup( bu->fullname );
        
        /* Strip newlines (unlikely, but IRC-unfriendly so they must go)
           TODO(wilmer): Do the same with away msgs again! */
        for( s = iu->fullname; *s; s ++ )
                if( isspace( *s ) ) *s = ' ';
        
        if( ( bu->ic->flags & OPT_LOGGED_IN ) && set_getbool( &bee->set, "display_namechanges" ) )
        {
                char *msg = g_strdup_printf( "<< \002BitlBee\002 - Changed name to `%s' >>", iu->fullname );
                irc_send_msg( iu, "NOTICE", irc->user->nick, msg, NULL );
        }
        
        s = set_getstr( &bu->ic->acc->set, "nick_source" );
        if( strcmp( s, "handle" ) != 0 )
        {
                char *name = g_strdup( bu->fullname );
                
                if( strcmp( s, "first_name" ) == 0 )
                {
                        int i;
                        for( i = 0; name[i] && !isspace( name[i] ); i ++ ) {}
                        name[i] = '\0';
                }
                
                imcb_buddy_nick_hint( bu->ic, bu->handle, name );
                
                g_free( name );
        }
        
        return TRUE;
}

/* File transfers */
static file_transfer_t *bee_irc_ft_in_start( bee_t *bee, bee_user_t *bu, const char *file_name, size_t file_size )
{
        return dccs_send_start( bu->ic, (irc_user_t *) bu->ui_data, file_name, file_size );
}

gboolean bee_irc_ft_out_start( struct im_connection *ic, file_transfer_t *ft )
{
        return dccs_recv_start( ft );
}

void bee_irc_ft_close( struct im_connection *ic, file_transfer_t *ft )
{
        return dcc_close( ft );
}

void bee_irc_ft_finished( struct im_connection *ic, file_transfer_t *file )
{
        dcc_file_transfer_t *df = file->priv;

        if( file->bytes_transferred >= file->file_size )
                dcc_finish( file );
        else
                df->proto_finished = TRUE;
}

const struct bee_ui_funcs irc_ui_funcs = {
        bee_irc_user_new,
        bee_irc_user_free,
        bee_irc_user_fullname,
        bee_irc_user_status,
        bee_irc_user_msg,
        bee_irc_user_typing,
        
        bee_irc_ft_in_start,
        bee_irc_ft_out_start,
        bee_irc_ft_close,
        bee_irc_ft_finished,
};


/* IRC->IM calls */

static gboolean bee_irc_user_privmsg( irc_user_t *iu, const char *msg )
{
        if( iu->bu )
                return bee_user_msg( iu->irc->b, iu->bu, msg, 0 );
        else
                return FALSE;
}

static gboolean bee_irc_user_ctcp( irc_user_t *iu, char *const *ctcp )
{
        if( ctcp[1] && g_strcasecmp( ctcp[0], "DCC" ) == 0
                    && g_strcasecmp( ctcp[1], "SEND" ) == 0 )
        {
                if( iu->bu && iu->bu->ic && iu->bu->ic->acc->prpl->transfer_request )
                {
                        file_transfer_t *ft = dcc_request( iu->bu->ic, ctcp );
                        if ( ft )
                                iu->bu->ic->acc->prpl->transfer_request( iu->bu->ic, ft, iu->bu->handle );
                        
                        return TRUE;
                }
        }
        else if( g_strcasecmp( ctcp[0], "TYPING" ) == 0 )
        {
                if( iu->bu && iu->bu->ic && iu->bu->ic->acc->prpl->send_typing && ctcp[1] )
                {
                        int st = ctcp[1][0];
                        if( st >= '0' && st <= '2' )
                        {
                                st <<= 8;
                                iu->bu->ic->acc->prpl->send_typing( iu->bu->ic, iu->bu->handle, st );
                        }
                        
                        return TRUE;
                }
        }
        
        return FALSE;
}

static const struct irc_user_funcs irc_user_im_funcs = {
        bee_irc_user_privmsg,
        bee_irc_user_ctcp,
};