email.rb in logstash-output-email-4.1.2

- old
+ new

@@ -64,11 +64,11 @@
 
   # Username to authenticate with the server
   config :username, :validate => :string
 
   # Password to authenticate with the server
-  config :password, :validate => :string
+  config :password, :validate => :password
 
   # Authentication method used when identifying with the server
   config :authentication, :validate => :string
 
   # Enables TLS when communicating with the server
@@ -104,11 +104,11 @@
     options = {
       :address              => @address,
       :port                 => @port,
       :domain               => @domain,
       :user_name            => @username,
-      :password             => @password,
+      :password             => @password.nil? ? nil : @password.value,
       :authentication       => @authentication,
       :enable_starttls_auto => @use_tls,
       :debug                => @debug
     }
 
@@ -124,10 +124,12 @@
       Mail.defaults do
         delivery_method :@via, options
       end
     end # @via tests
     @htmlTemplate = File.open(@template_file, "r").read unless @template_file.nil?
-    @logger.debug("Email Output Registered!", :config => options, :via => @via)
+    log_options = options.clone
+    log_options[:password] = '<password>'
+    @logger.debug("Email Output Registered!", :config => log_options, :via => @via)
   end # def register
 
   public
   def receive(event)
 