From 03309d313c4522b217646422f12831454302e185 Mon Sep 17 00:00:00 2001
From: lazedo <luis.azedo@factorlusitano.com>
Date: Wed, 4 Feb 2015 02:57:06 +0000
Subject: [PATCH] KAZOO-3265 MESSAGE-ROLE

---
 kamailio/default.cfg      | 47 ++++++++++++++++++++++++++-----
 kamailio/local.cfg        |  1 +
 kamailio/message-role.cfg | 58 +++++++++++++++++++++++++++++++++++++++
 3 files changed, 99 insertions(+), 7 deletions(-)
 create mode 100644 kamailio/message-role.cfg

diff --git a/kamailio/default.cfg b/kamailio/default.cfg
index 04cb12e..9a9bd90 100644
--- a/kamailio/default.cfg
+++ b/kamailio/default.cfg
@@ -174,6 +174,9 @@ include_file "registrar-role.cfg"
 #!ifdef PRESENCE-ROLE
 include_file "presence-role.cfg"
 #!endif
+#!ifdef MESSAGE-ROLE
+include_file "message-role.cfg"
+#!endif
 #!ifdef NAT-TRAVERSAL-ROLE
 include_file "nat-traversal-role.cfg"
 #!endif
@@ -322,14 +325,44 @@ route[HANDLE_NOTIFY]
 
 route[HANDLE_MESSAGE]
 {
-    if (is_method("MESSAGE")) {
-        if (isflagset(FLAG_INTERNALLY_SOURCED)) {
-            route(INTERNAL_TO_EXTERNAL_RELAY);
-        } else {
-            sl_send_reply("202", "delivered to /dev/null");
-            exit;
+     #!ifdef MESSAGE-ROLE
+
+        if (is_method("MESSAGE")) {
+            xlog("L_INFO", "$ci|MESSAGE from $fu to $tu");
+            if (isflagset(FLAG_INTERNALLY_SOURCED) || src_ip == myself) {
+                xlog("L_INFO", "$ci| routing MESSAGE to external from $fu to $tu");             
+                route(INTERNAL_TO_EXTERNAL_RELAY);
+            #!ifdef TRAFFIC-FILTER-ROLE
+            } else if (!isflagset(FLAG_TRUSTED_SOURCE)
+                && $rd =~ "[0-9]{1,3}\.[0-9]{1,3}.[0-9]{1,3}\.[0-9]{1,3}") {
+                xlog("L_WARN", "$ci|end|dropping MESSAGE request with IP domain");
+            #!endif
+            } else {
+               xlog("L_WARN", "$ci|end|MESSAGE $(hdr(Content-Type))");
+              if( $hdr(Content-Type) == "application/im-iscomposing+xml" ) {
+                xlog("L_WARN", "$ci|end|dropping MESSAGE application/im-iscomposing+xml");
+                sl_send_reply("200", "OK");
+              } else {            
+                route(DISPATCHER_FIND_ROUTES);
+                route(EXTERNAL_TO_INTERNAL_RELAY);
+              }
+            }
+            exit();
         }
-    }
+     
+     #!else
+     
+        if (is_method("MESSAGE")) {
+            if (isflagset(FLAG_INTERNALLY_SOURCED)) {
+                route(INTERNAL_TO_EXTERNAL_RELAY);
+            } else {
+                sl_send_reply("202", "delivered to /dev/null");
+                exit;
+            }
+        }
+    
+     #!endif
+    
 }
 
 route[HANDLE_IN_DIALOG_REQUESTS]
diff --git a/kamailio/local.cfg b/kamailio/local.cfg
index 69b1000..f06e814 100644
--- a/kamailio/local.cfg
+++ b/kamailio/local.cfg
@@ -11,6 +11,7 @@ debug = L_INFO
 #!trydef NAT-TRAVERSAL-ROLE
 #!trydef REGISTRAR-ROLE
 #!trydef PRESENCE-ROLE
+###!trydef MESSAGE-ROLE
 
 ## Disabled Roles - remove all but the last '#' to enable
 # # #!trydef TRAFFIC-FILTER-ROLE
diff --git a/kamailio/message-role.cfg b/kamailio/message-role.cfg
new file mode 100644
index 0000000..a8d97ee
--- /dev/null
+++ b/kamailio/message-role.cfg
@@ -0,0 +1,58 @@
+modparam("htable", "htable", "msg=>size=32;autoexpire=60;")
+
+
+event_route[kazoo:consumer-event-message-route]
+{
+    $var(uri_username) = "";
+    kazoo_json($kzE, "Endpoints[0].To-Username", "$var(uri_username)");
+    $var(x) = $(kzE{kz.json,Endpoints[0].To-Username});
+    xlog("L_INFO", "received message route for $(kzE{kz.json,Endpoints[0].To-DID})");
+    if( $var(uri_username) != "" ) {
+        $var(from_uri) = "sip:" + $(kzE{kz.json,Caller-ID-Number}) + "@" + $(kzE{kz.json,Endpoints[0].To-Realm});
+        $var(to_uri) = "sip:" + $(kzE{kz.json,Endpoints[0].To-Username}) + "@" + $(kzE{kz.json,Endpoints[0].To-Realm});
+    } else {
+        $var(from_uri) = "sip:" + $(kzE{kz.json,Caller-ID-Number}) + $(kzE{kz.json,Endpoints[0].To-Realm});
+        $var(to_uri) = $(kzE{kz.json,Endpoints[0].Route});
+    }
+    $sht(msg=>$(kzE{kz.json,Call-ID})) = $kzE;
+    $uac_req(method)="MESSAGE";
+    $uac_req(body)= $(kzE{kz.json,Body});
+    $uac_req(hdrs)="Content-Type: text/plain\r\n";
+    $uac_req(turi) = $var(to_uri);
+    $uac_req(ruri) = $var(to_uri);
+    $uac_req(furi) = $var(from_uri);
+    $uac_req(ouri) = "sip:MY_IP_ADDRESS:5060";
+    $uac_req(callid) = $(kzE{kz.json,Call-ID});
+    xlog("L_INFO", "sending message from $var(from_uri) to $var(to_uri) ");
+    uac_req_send();
+
+}
+
+route[MESSAGE_REPLY]
+{
+    if( $(sht(msg=>$ci)) == $null) {
+        exit();
+    }
+
+    if($T_reply_code != 200 && $T_reply_code != 202) {
+       $var(Result) = "Failure";
+    } else {
+       $var(Result) = "Success";
+    }
+
+
+
+    $var(Payload) = '{ "Event-Category" : "message", "Event-Name" : "delivery",  "Call-ID" : "' + $(sht(msg=>$ci){kz.json,Call-ID}) + '", "Message-ID" : "' + $(sht(msg=>$ci){kz.json,Message-ID}) +'" , "Delivery-Result-Code" : "sip:" + $T_reply_code + '" , "Msg-ID" : "' + $(sht(msg=>$ci){kz.json,Msg-ID}) + '" , "Status" : "' + $var(Result) + '"}';
+
+    $var(RoutingKey) = $(sht(msg=>$ci){kz.json,Server-ID});
+    $var(exchange) = "targeted";
+    if($var(RoutingKey) == "") {
+       $var(exchange) = "sms";
+       $var(RoutingKey) = "message.delivery." + $(sht(msg=>$ci){kz.json,Call-ID}{kz.encode});
+    }    
+    xlog("L_INFO", "sending delivery message for $ci");
+    kazoo_publish($var(exchange), $var(RoutingKey), $var(Payload));
+}
+
+
+# vim: tabstop=4 softtabstop=4 shiftwidth=4 expandtab