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77 lines
2.5 KiB
77 lines
2.5 KiB
######## Websocket module ########
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tcp_accept_no_cl=yes
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######## Basic HTTP request handling ########
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loadmodule "xhttp.so"
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######## Websocket module ########
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loadmodule "websocket.so"
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modparam("websocket", "keepalive_mechanism", 1)
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modparam("websocket", "keepalive_timeout", 30)
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modparam("websocket", "keepalive_processes", 1)
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modparam("websocket", "keepalive_interval", 1)
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modparam("websocket", "ping_application_data", "Kazoo encourages you to keep alive")
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modparam("websocket", "sub_protocols", 1)
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route[HANDLE_WEBSOCKETS]
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{
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# Do NAT traversal stuff for requests from a WebSocket
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# connection - even if it is not behind a NAT!
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# This won't be needed in the future if Kamailio and the
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# WebSocket client support Outbound and Path.
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if (nat_uac_test(64)) {
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xlog("L_INFO", "$ci|log|this is a websocket request\n");
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force_rport();
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if (is_method("REGISTER")) {
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fix_nated_register();
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} else {
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if (!add_contact_alias()) {
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xlog("L_INFO", "$ci|stop|error aliasing contact <$ct>\n");
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sl_send_reply("400", "Bad Request");
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exit;
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}
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}
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}
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}
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route[NAT_WEBSOCKETS_CORRECT]
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{
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# Do NAT traversal stuff for replies to a WebSocket connection
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# - even if it is not behind a NAT!
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# This won't be needed in the future if Kamailio and the
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# WebSocket client support Outbound and Path.
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if (nat_uac_test(64)) {
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xlog("L_INFO", "$ci|log|this is a websocket request\n");
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add_contact_alias();
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}
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}
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event_route[xhttp:request]
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{
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xlog("L_INFO", "HTTP Request Received\n");
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set_reply_close();
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set_reply_no_connect();
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if ($hdr(Upgrade) =~ "websocket" && $hdr(Connection) =~ "Upgrade" && $rm =~ "GET") {
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xlog("L_INFO", "websocket request from $si:$sp received\n");
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# Validate Host - make sure the client is using the correct
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# alias for WebSockets
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if ($hdr(Host) == $null || !is_myself("sip:" + $hdr(Host))) {
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xlog("L_WARN", "websocket request had bad host $hdr(Host)\n");
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xhttp_reply("403", "Forbidden", "", "");
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exit;
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}
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# ws_handle_handshake() exits (no further configuration file
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# processing of the request) when complete.
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if (ws_handle_handshake()) {
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exit;
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}
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}
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xhttp_reply("404", "Not Found", "", "");
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}
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event_route[websocket:closed] {
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xlog("L_INFO", "websocket connection from $si:$sp has closed\n");
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}
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