Add xmpp contact info

src/freedombone-app-xmpp

                 XMPP_ECC_CURVE
                 XMPP_ECC_CURVE
                 MY_USERNAME
+                MY_EMAIL_ADDRESS
                 DEFAULT_DOMAIN_NAME
                 XMPP_DOMAIN_CODE)
 
     function_check update_prosody_modules
     update_prosody_modules
     xmpp_onion_addresses /etc/prosody/prosody.cfg.lua
+    xmpp_contact_info /etc/prosody/prosody.cfg.lua
 
     if grep -q "/etc/ssl/certs/xmpp.dhparam" /etc/prosody/prosody.cfg.lua; then
         cp /etc/ssl/certs/xmpp.dhparam /etc/prosody/xmpp.dhparam
     done
 }
 
+function xmpp_contact_info {
+    filename="$1"
+
+    if grep -q "contact_info =" "$filename"; then
+        return
+    fi
+
+    { 'contact_info = {';
+      "abuse = { \"mailto:${MY_EMAIL_ADDRESS}\", \"xmpp:${USERNAME}@${HOSTNAME}\" };";
+      "admin = { \"mailto:${MY_EMAIL_ADDRESS}\", \"xmpp:${USERNAME}@${HOSTNAME}\" };";
+      "feedback = { \"mailto:${MY_EMAIL_ADDRESS}\", \"xmpp:${USERNAME}@${HOSTNAME}\" };";
+      "security = { \"xmpp:${USERNAME}@${HOSTNAME}\" };";
+      "support = { \"xmpp:${USERNAME}@${HOSTNAME}\" };";
+      '};'; } >> "$filename"
+}
+
 function xmpp_modules {
     filename="$1"
 
     { echo 'modules_enabled = {';
+      echo '  "server_contact_info";';
       echo '  "pubsub";';
       echo '  "pubsub_hub";';
       echo '  "dialback"; -- s2s dialback support';
     xmpp_modules /etc/prosody/prosody.cfg.lua
     echo '' >> /etc/prosody/prosody.cfg.lua
     xmpp_onion_addresses /etc/prosody/prosody.cfg.lua
+    xmpp_contact_info /etc/prosody/prosody.cfg.lua
     { echo '';
       echo 'allow_registration = false;';
       echo '';