static xt_status jabber_pkt_message_normal(struct xt_node *node, gpointer data, gboolean carbons_sent) { struct im_connection *ic = data; struct jabber_data *jd = ic->proto_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. */ } /* try to detect hipchat's own version of self-messages */ if (jd->flags & JFLAG_HIPCHAT) { struct xt_node *c; if ((c = xt_find_node_by_attr(node->children, "delay", "xmlns", XMLNS_DELAY)) && (s = xt_find_attr(c, "from_jid")) && jabber_compare_jid(s, jd->me)) { carbons_sent = TRUE; } } 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; }
/* 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_data *jd = ic->proto_data; 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 = g_strdup(jd->me); } 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 && bud->flags & JBFLAG_IS_ANONYMOUS) { /* If JIDs are anonymized, add them to the local list for the duration of this chat. */ imcb_add_buddy(ic, bud->ext_jid, NULL); imcb_buddy_nick_hint(ic, bud->ext_jid, bud->resource); } if (bud == jc->me && jc->invite != NULL) { char *msg = g_strdup_printf("Please join me in room %s", jc->name); jabber_chat_invite(chat, jc->invite, msg); g_free(jc->invite); g_free(msg); jc->invite = NULL; } 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) { char *reason = NULL; char *status = NULL; char *status_text = NULL; if ((c = xt_find_node_by_attr(node->children, "x", "xmlns", XMLNS_MUC_USER))) { struct xt_node *c2 = c->children; while ((c2 = xt_find_node(c2, "status"))) { char *code = xt_find_attr(c2, "code"); if (g_strcmp0(code, "301") == 0) { status = "Banned"; break; } else if (g_strcmp0(code, "303") == 0) { /* This could be handled in a cleverer way, * but let's just show a literal part/join for now */ status = "Changing nicks"; break; } else if (g_strcmp0(code, "307") == 0) { status = "Kicked"; break; } c2 = c2->next; } /* Sometimes the status message is in presence/x/item/reason */ if ((c2 = xt_find_path(c, "item/reason")) && c2->text && c2->text_len) { status_text = c2->text; } } /* Sometimes the status message is right inside <presence> */ if ((c = xt_find_node(node->children, "status")) && c->text && c->text_len) { status_text = c->text; } if (status_text && status) { reason = g_strdup_printf("%s: %s", status, status_text); } else { reason = g_strdup(status_text ? : status); } s = strchr(bud->ext_jid, '/'); if (s) { *s = 0; } imcb_chat_remove_buddy(chat, bud->ext_jid, reason); if (bud != jc->me && bud->flags & JBFLAG_IS_ANONYMOUS) { imcb_remove_buddy(ic, bud->ext_jid, reason); } if (s) { *s = '/'; } g_free(reason); } if (bud == jc->me) { jabber_chat_free(chat); } }