Unknown messages support - add enable/disable option to Settings

plugin.json

@@ -43,6 +43,14 @@
                 "help_text": "Generated token to validate incoming requests from AWS SNS.",
                 "placeholder": "",
                 "default": null
+            },
+            {
+                "key": "EnableUnknownTypeMessages",
+                "display_name": "Enable unkown type notifications support:",
+                "type": "bool",
+                "help_text": "If the AWS SNS plugin does not support a particular type of SNS notifications, it displays those notifications as formatted JSON or plain text.",
+                "placeholder": "",
+                "default": false
             }
         ]
     }

server/configuration.go

@@ -18,9 +18,10 @@ import (
 // If you add non-reference types to your configuration struct, be sure to rewrite Clone as a deep
 // copy appropriate for your types.
 type configuration struct {
-	TeamChannel    string
-	AllowedUserIds string
-	Token          string
+	TeamChannel               string
+	AllowedUserIds            string
+	Token                     string
+	EnableUnknownTypeMessages bool
 }
 
 // Clone shallow copies the configuration. Your implementation may require a deep copy if

server/plugin.go

@@ -269,7 +269,9 @@ func (p *Plugin) handleNotification(body io.Reader, channel *TeamChannel) {
 		return
 	}
 
-	p.sendPostNotification(p.createSNSUnknownTypeMessage(notification.Subject, notification.Message), channel)
+	if p.configuration.EnableUnknownTypeMessages {
+		p.sendPostNotification(p.createSNSUnknownTypeMessage(notification.Subject, notification.Message), channel)
+	}
 }
 
 func (p *Plugin) sendPostNotification(attachment model.SlackAttachment, channel *TeamChannel) {