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/***************************************************************************\
* *
* BitlBee - An IRC to IM gateway *
* Jabber module - Handling of message(s) (tags), etc *
* *
* Copyright 2006-2012 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_pkt_message_normal(struct xt_node *node, gpointer data, gboolean carbons_sent)
{
struct im_connection *ic = data;
char *from = xt_find_attr(node, carbons_sent ? "to" : "from");
char *type = xt_find_attr(node, "type");
char *id = xt_find_attr(node, "id");
struct xt_node *body = xt_find_node(node->children, "body"), *c;
struct xt_node *request = xt_find_node(node->children, "request");
struct jabber_buddy *bud = NULL;
char *s, *room = NULL, *reason = NULL;
if (!from) {
return XT_HANDLED; /* Consider this packet corrupted. */
}
if (request && id && g_strcmp0(type, "groupchat") != 0 && !carbons_sent) {
/* Send a message receipt (XEP-0184), looking like this:
* <message from='...' id='...' to='...'>
* <received xmlns='urn:xmpp:receipts' id='richard2-4.1.247'/>
* </message>
*
* MUC messages are excluded, since receipts aren't supposed to be sent over MUCs
* (XEP-0184 section 5.3) and replying to those may result in 'forbidden' errors.
*/
struct xt_node *received, *receipt;
received = xt_new_node("received", NULL, NULL);
xt_add_attr(received, "xmlns", XMLNS_RECEIPTS);
xt_add_attr(received, "id", id);
receipt = jabber_make_packet("message", NULL, from, received);
jabber_write_packet(ic, receipt);
xt_free_node(receipt);
}
bud = jabber_buddy_by_jid(ic, from, GET_BUDDY_EXACT);
if (type && strcmp(type, "error") == 0) {
/* Handle type=error packet. */
} else if (type && from && strcmp(type, "groupchat") == 0) {
jabber_chat_pkt_message(ic, bud, node);
} else { /* "chat", "normal", "headline", no-type or whatever. Should all be pretty similar. */
GString *fullmsg = g_string_new("");
for (c = node->children; (c = xt_find_node(c, "x")); c = c->next) {
char *ns = xt_find_attr(c, "xmlns");
struct xt_node *inv;
if (ns && strcmp(ns, XMLNS_MUC_USER) == 0 &&
(inv = xt_find_node(c->children, "invite"))) {
/* This is an invitation. Set some vars which
will be passed to imcb_chat_invite() below. */
room = from;
if ((from = xt_find_attr(inv, "from")) == NULL) {
from = room;
}
if ((inv = xt_find_node(inv->children, "reason")) && inv->text_len > 0) {
reason = inv->text;
}
}
}
if ((s = strchr(from, '/'))) {
if (bud) {
bud->last_msg = time(NULL);
from = bud->ext_jid ? bud->ext_jid : bud->bare_jid;
} else {
*s = 0; /* We need to generate a bare JID now. */
}
}
if (type && strcmp(type, "headline") == 0) {
if ((c = xt_find_node(node->children, "subject")) && c->text_len > 0) {
g_string_append_printf(fullmsg, "Headline: %s\n", c->text);
}
/* <x xmlns="jabber:x:oob"><url>http://....</url></x> can contain a URL, it seems. */
for (c = node->children; c; c = c->next) {
struct xt_node *url;
if ((url = xt_find_node(c->children, "url")) && url->text_len > 0) {
g_string_append_printf(fullmsg, "URL: %s\n", url->text);
}
}
} else if ((c = xt_find_node(node->children, "subject")) && c->text_len > 0 &&
(!bud || !(bud->flags & JBFLAG_HIDE_SUBJECT))) {
g_string_append_printf(fullmsg, "<< \002BitlBee\002 - Message with subject: %s >>\n", c->text);
if (bud) {
bud->flags |= JBFLAG_HIDE_SUBJECT;
}
} else if (bud && !c) {
/* Yeah, possibly we're hiding changes to this field now. But nobody uses
this for anything useful anyway, except GMail when people reply to an
e-mail via chat, repeating the same subject all the time. I don't want
to have to remember full subject strings for everyone. */
bud->flags &= ~JBFLAG_HIDE_SUBJECT;
}
if (body && body->text_len > 0) { /* Could be just a typing notification. */
fullmsg = g_string_append(fullmsg, body->text);
}
if (fullmsg->len > 0) {
imcb_buddy_msg(ic, from, fullmsg->str,
carbons_sent ? OPT_SELFMESSAGE : 0, jabber_get_timestamp(node));
}
if (room) {
imcb_chat_invite(ic, room, from, reason);
}
g_string_free(fullmsg, TRUE);
/* Handling of incoming typing notifications. */
if (bud == NULL || carbons_sent) {
/* Can't handle these for unknown buddies.
And ignore them if it's just carbons */
} else if (xt_find_node(node->children, "composing")) {
bud->flags |= JBFLAG_DOES_XEP85;
imcb_buddy_typing(ic, from, OPT_TYPING);
}
else if (xt_find_node(node->children, "active")) {
bud->flags |= JBFLAG_DOES_XEP85;
/* No need to send a "stopped typing" signal when there's a message. */
if (body == NULL) {
imcb_buddy_typing(ic, from, 0);
}
} else if (xt_find_node(node->children, "paused")) {
bud->flags |= JBFLAG_DOES_XEP85;
imcb_buddy_typing(ic, from, OPT_THINKING);
}
if (s) {
*s = '/'; /* And convert it back to a full JID. */
}
}
return XT_HANDLED;
}
static xt_status jabber_carbons_message(struct xt_node *node, gpointer data)
{
struct im_connection *ic = data;
struct xt_node *wrap, *fwd, *msg;
gboolean carbons_sent;
if ((wrap = xt_find_node(node->children, "received"))) {
carbons_sent = FALSE;
} else if ((wrap = xt_find_node(node->children, "sent"))) {
carbons_sent = TRUE;
}
if (wrap == NULL || g_strcmp0(xt_find_attr(wrap, "xmlns"), XMLNS_CARBONS) != 0) {
return XT_NEXT;
}
if (!(fwd = xt_find_node(wrap->children, "forwarded")) ||
(g_strcmp0(xt_find_attr(fwd, "xmlns"), XMLNS_FORWARDING) != 0) ||
!(msg = xt_find_node(fwd->children, "message"))) {
imcb_log(ic, "Error: Invalid carbons message received");
return XT_ABORT;
}
return jabber_pkt_message_normal(msg, data, carbons_sent);
}
xt_status jabber_pkt_message(struct xt_node *node, gpointer data)
{
struct im_connection *ic = data;
struct jabber_data *jd = ic->proto_data;
char *from = xt_find_attr(node, "from");
if (jabber_compare_jid(jd->me, from)) { /* Probably a Carbons message */
xt_status st = jabber_carbons_message(node, data);
if (st == XT_HANDLED || st == XT_ABORT) {
return st;
}
}
return jabber_pkt_message_normal(node, data, FALSE);
}
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