libpurple/protocols/bonjour/buddy.c

/*
 *  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 Library 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 */

#include <glib.h>
#include <stdlib.h>

#include "internal.h"
#include "buddy.h"
#include "account.h"
#include "blist.h"
#include "bonjour.h"
#include "mdns_interface.h"
#include "debug.h"

/**
 * Creates a new buddy.
 */
BonjourBuddy *
bonjour_buddy_new(const gchar *name, PurpleAccount* account)
{
	BonjourBuddy *buddy = g_new0(BonjourBuddy, 1);

	buddy->account = account;
	buddy->name = g_strdup(name);

	_mdns_init_buddy(buddy);

	return buddy;
}

void
set_bonjour_buddy_value(BonjourBuddy* buddy, const char *record_key, const char *value, uint32_t len){
	gchar **fld = NULL;

	if (!strcmp(record_key, "1st"))
		fld = &buddy->first;
	else if(!strcmp(record_key, "email"))
		fld = &buddy->email;
	else if(!strcmp(record_key, "ext"))
		fld = &buddy->ext;
	else if(!strcmp(record_key, "jid"))
		fld = &buddy->jid;
	else if(!strcmp(record_key, "last"))
		fld = &buddy->last;
	else if(!strcmp(record_key, "msg"))
		fld = &buddy->msg;
	else if(!strcmp(record_key, "nick"))
		fld = &buddy->nick;
	else if(!strcmp(record_key, "node"))
		fld = &buddy->node;
	else if(!strcmp(record_key, "phsh"))
		fld = &buddy->phsh;
	else if(!strcmp(record_key, "status"))
		fld = &buddy->status;
	else if(!strcmp(record_key, "vc"))
		fld = &buddy->vc;
	else if(!strcmp(record_key, "ver"))
		fld = &buddy->ver;
	else if(!strcmp(record_key, "AIM"))
		fld = &buddy->AIM;

	if(fld == NULL)
		return;

	g_free(*fld);
	*fld = NULL;
	*fld = g_strndup(value, len);
}

/**
 * Check if all the compulsory buddy data is present.
 */
gboolean
bonjour_buddy_check(BonjourBuddy *buddy)
{
	if (buddy->account == NULL)
		return FALSE;

	if (buddy->name == NULL)
		return FALSE;

	return TRUE;
}

/**
 * If the buddy does not yet exist, then create it and add it to
 * our buddy list.  In either case we set the correct status for
 * the buddy.
 */
void
bonjour_buddy_add_to_purple(BonjourBuddy *bonjour_buddy)
{
	PurpleBuddy *buddy;
	PurpleGroup *group;
	PurpleAccount *account = bonjour_buddy->account;
	const char *status_id, *first, *last, *old_hash, *new_hash;
	gchar *alias = NULL;

	/* Translate between the Bonjour status and the Purple status */
	if (g_ascii_strcasecmp("dnd", bonjour_buddy->status) == 0)
		status_id = BONJOUR_STATUS_ID_AWAY;
	else
		status_id = BONJOUR_STATUS_ID_AVAILABLE;

	/*
	 * TODO: Figure out the idle time by getting the "away"
	 * field from the DNS SD.
	 */

	/* Make sure the Bonjour group exists in our buddy list */
	group = purple_find_group(BONJOUR_GROUP_NAME); /* Use the buddy's domain, instead? */
	if (group == NULL) {
		group = purple_group_new(BONJOUR_GROUP_NAME);
		purple_blist_add_group(group, NULL);
	}

	/* Make sure the buddy exists in our buddy list */
	buddy = purple_find_buddy(account, bonjour_buddy->name);

	if (buddy == NULL) {
		buddy = purple_buddy_new(account, bonjour_buddy->name, NULL);
		buddy->proto_data = bonjour_buddy;
		purple_blist_node_set_flags((PurpleBlistNode *)buddy, PURPLE_BLIST_NODE_FLAG_NO_SAVE);
		purple_blist_add_buddy(buddy, NULL, group, NULL);
	}

	/* Create the alias for the buddy using the first and the last name */
	first = bonjour_buddy->first;
	last = bonjour_buddy->last;
	if ((first && *first) || (last && *last))
		alias = g_strdup_printf("%s%s%s",
					(first && *first ? first : ""),
					(first && *first && last && *last ? " " : ""),
					(last && *last ? last : ""));
	serv_got_alias(purple_account_get_connection(account), buddy->name, alias);
	g_free(alias);

	/* Set the user's status */
	if (bonjour_buddy->msg != NULL)
		purple_prpl_got_user_status(account, buddy->name, status_id,
					    "message", bonjour_buddy->msg, NULL);
	else
		purple_prpl_got_user_status(account, buddy->name, status_id, NULL);

	purple_prpl_got_user_idle(account, buddy->name, FALSE, 0);

	/* TODO: Because we don't save Bonjour buddies in blist.xml,
	 * we will always have to look up the buddy icon at login time.
	 * I think we should figure out a way to do something about this. */

	/* Deal with the buddy icon */
	old_hash = purple_buddy_icons_get_checksum_for_user(buddy);
	new_hash = (bonjour_buddy->phsh && *(bonjour_buddy->phsh)) ? bonjour_buddy->phsh : NULL;
	if (new_hash && (!old_hash || strcmp(old_hash, new_hash) != 0)) {
		/* Look up the new icon data */
		bonjour_dns_sd_retrieve_buddy_icon(bonjour_buddy);
	} else
		purple_buddy_icons_set_for_user(account, buddy->name, NULL, 0, NULL);
}

/**
 * Deletes a buddy from memory.
 */
void
bonjour_buddy_delete(BonjourBuddy *buddy)
{
	g_free(buddy->name);
	g_free(buddy->ip);
	g_free(buddy->full_service_name);

	g_free(buddy->first);
	g_free(buddy->phsh);
	g_free(buddy->status);
	g_free(buddy->email);
	g_free(buddy->last);
	g_free(buddy->jid);
	g_free(buddy->AIM);
	g_free(buddy->vc);
	g_free(buddy->msg);
	g_free(buddy->ext);
	g_free(buddy->nick);
	g_free(buddy->node);
	g_free(buddy->ver);

	bonjour_jabber_close_conversation(buddy->conversation);
	buddy->conversation = NULL;

	/* Clean up any mdns implementation data */
	_mdns_delete_buddy(buddy);

	g_free(buddy);
}