/***************************************************************************\
* *
* BitlBee - An IRC to IM gateway *
* Simple OAuth2 client (consumer) implementation. *
* *
* Copyright 2010-2013 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. *
* *
\***************************************************************************/
/* Implementation mostly based on my experience with writing the previous OAuth
module, and from http://code.google.com/apis/accounts/docs/OAuth2.html . */
typedef void (*oauth2_token_callback)(gpointer data, const char *atoken,
const char *rtoken, const char *error);
struct oauth2_service {
char *auth_url;
char *token_url;
char *redirect_url;
char *scope;
char *consumer_key;
char *consumer_secret;
};
#define OAUTH2_AUTH_CODE "authorization_code"
#define OAUTH2_AUTH_REFRESH "refresh_token"
/* Generate a URL the user should open in his/her browser to get an
authorization code. */
char *oauth2_url(const struct oauth2_service *sp);
/* Exchanges an auth code or refresh token for an access token.
auth_type is one of the two OAUTH2_AUTH_.. constants above. */
int oauth2_access_token(const struct oauth2_service *sp,
const char *auth_type, const char *auth,
oauth2_token_callbackpre { line-height: 125%; }
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* *
* 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, const char *room, const char *nick, const 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 );
if( password )
xt_add_child( node, xt_new_node( "password", password, NULL ) );
node = jabber_make_packet( "presence", NULL, roomjid, node );
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 ) )
{
struct xt_node *item;
item = xt_find_node( c->children, "item" );
if( ( s = xt_find_attr( item, "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 */
{
if( ( bud->flags & JBFLAG_IS_CHATROOM ) && bud->ext_jid )
{
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 = '/';
}
}
