Add access table generation for postfix

plugins/functions/fmod_postfix.py

@@ -25,6 +25,21 @@ POSTFIX_MAIN_CF = "/etc/postfix/main.cf"
 ##### Private classes #####
 class Postfix(service.FunctionObject) :	
 	### DBus methods ###
+	@service.functionMethod(POSTFIX_METHODS_NAMESPACE, in_signature="ss")
+	def generateAccessTable(self, filters_file_path, access_file_path):
+		with open(filters_file_path, 'r') as filters_file:
+			lists = safe_load(filters_file.read())
+		
+		entries = []
+
+		for item in lists['whitelist']:
+			entries.append([item['key'], 'OK'])
+		for item in lists['blacklist']:
+			entries.append([item['key'], item['action'].upper()])
+
+		with open(access_file_path, 'w+') as access_file:
+			access_file.write('\n'.join([ ' '.join(pair) for pair in entries ]))
+
 	@service.functionMethod(POSTFIX_METHODS_NAMESPACE, in_signature="ss", out_signature="s")
 	def regenerateMainCf(self, config_filename, templates_dir):
 		with open(config_filename, 'r') as postfix_config: