#
#
# OpenSIPS Presence Server with OpenXCAP permission rules config script
#

# ----------- global configuration parameters ------------------------
debug=3
log_stderror=no
log_facility=LOG_LOCAL0

fork=yes
children=4

listen=udp:10.10.10.10:5060

/* Uncomment these lines to enter debugging mode */ 
# ------------------ module loading ----------------------------------
mpath="/usr/local/lib/opensips/modules/"

loadmodule "db_mysql.so"
loadmodule "sl.so"
loadmodule "maxfwd.so"
loadmodule "textops.so"
loadmodule "tm.so"
loadmodule "rr.so"
loadmodule "presence.so"
loadmodule "presence_xml.so"
loadmodule "usrloc.so"
loadmodule "registrar.so"
loadmodule "mi_xmlrpc.so"
# for 1.5 you must load also signaling module; uncomment the next line
#loadmodule "signaling.so"

# Uncomment this if you want digest authentication
# db_mysql.so must be loaded !
#loadmodule "/usr/local/lib/opensips/modules/auth.so"
#loadmodule "/usr/local/lib/opensips/modules/auth_db.so"

# ----------------- setting module-specific parameters ---------------

# -- usrloc params --
# Uncomment this if you want to use SQL database 
# for persistent storage and comment the previous line
modparam("usrloc", "db_mode", 2)
modparam("usrloc", "db_url", "mysql://opensips:opensipsrw@127.0.0.1/opensips")

# -- auth params --
# Uncomment if you are using auth module
#
#modparam("auth_db", "calculate_ha1", yes)
#
# If you set "calculate_ha1" parameter to yes (which true in this config), 
# uncomment also the following parameter)
#
#modparam("auth_db", "password_column", "password")

# -- rr params --
# add value to ;lr param to make some broken UAs happy
modparam("rr", "enable_full_lr", 1)

# -- mi_xmlrpc params --
# be careful to set the same port in OpenXCAP configuration file
modparam("mi_xmlrpc","port", 8080)

# -- presence params --
modparam("presence|presence_xml", "db_url", "mysql://opensips:opensipsrw@127.0.0.1/opensips")
modparam("presence", "server_address", "sip:sa@10.10.10.10:5060" )
modparam("presence_xml", "integrated_xcap_server", 1)


# -------------------------  request routing logic -------------------

# main routing logic

route{
	# initial sanity checks -- messages with
	# max_forwards==0, or excessively long requests
	if (!mf_process_maxfwd_header("10")) {
		sl_send_reply("483","Too Many Hops");
		exit;
	};

	if (msg:len >=  2048 ) {
		sl_send_reply("513", "Message too big");
		exit;
	};

	# we record-route all messages -- to make sure that
	# subsequent messages will go through our proxy; that's
	# particularly good if upstream and downstream entities
	# use different transport protocol
	if (!method=="REGISTER")
		record_route();

	# subsequent messages withing a dialog should take the
	# path determined by record-routing
	if (loose_route()) {
		# mark routing logic in request
		append_hf("P-hint: rr-enforced\r\n"); 
		route(1);
	};

	if (!uri==myself) {
		# mark routing logic in request
		append_hf("P-hint: outbound\r\n"); 
		# if you have some interdomain connections via TLS
		#if(uri=~"@tls_domain1.net") {
		#	t_relay("tls:domain1.net");
		#	exit;
		#} else if(uri=~"@tls_domain2.net") {
		#	t_relay("tls:domain2.net");
		#	exit;
		#}
		route(1);
	};

	# if the request is for other domain use UsrLoc
	# (in case, it does not work, use the following command
	# with proper names and addresses in it)
	if (uri==myself) {

		# presence handling
		if( is_method("PUBLISH|SUBSCRIBE"))
			route(2);

		if (method=="REGISTER") {

			# Uncomment this if you want to use digest authentication
			#if (!www_authorize("opensips.org", "subscriber")) {
			#	www_challenge("opensips.org", "0");
			#	exit;
			#};

			save("location");
			exit;
		};

		# native SIP destinations are handled using our USRLOC DB
		if (!lookup("location")) {
			sl_send_reply("404", "Not Found");
			exit;
		};
		append_hf("P-hint: usrloc applied\r\n"); 
	};

	route(1);
}


route[1] {
	# send it out now; use stateful forwarding as it works reliably
	# even for UDP2TCP
	if (!t_relay()) {
		sl_reply_error();
	};
	exit;
}

# presence handling route
route[2]
{
	# absorb retransmissions
	if (! t_newtran())
	{
	        sl_reply_error();
	        exit;
	};

	#handle presence requests

	if(is_method("PUBLISH"))
	{
		handle_publish();
	}  
	else if( is_method("SUBSCRIBE")) {
		handle_subscribe();
        };

	exit;
}