diff options
Diffstat (limited to 'misc/freeswitch')
-rw-r--r-- | misc/freeswitch/scripts/event/perimeter_defense.lua | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/misc/freeswitch/scripts/event/perimeter_defense.lua b/misc/freeswitch/scripts/event/perimeter_defense.lua new file mode 100644 index 0000000..c93eb13 --- /dev/null +++ b/misc/freeswitch/scripts/event/perimeter_defense.lua @@ -0,0 +1,77 @@ +-- Gemeinschaft 5 module: perimeter defense event handler class +-- (c) AMOOMA GmbH 2013 +-- + +module(...,package.seeall) + +function handler_class() + return PerimeterDefense +end + +PerimeterDefense = {} + +function PerimeterDefense.new(self, arg) + arg = arg or {} + object = arg.object or {} + setmetatable(object, self); + self.__index = self; + self.log = arg.log; + self.class = 'perimeterdefense' + self.database = arg.database; + self.domain = arg.domain; + + require 'common.perimeter'; + self.perimeter = common.perimeter.Perimeter:new(arg); + self.perimeter:setup(); + + return object; +end + + +function PerimeterDefense.event_handlers(self) + return { CUSTOM = { + ['sofia::pre_register'] = self.sofia_pre_register, + ['sofia::register_attempt'] = self.sofia_register_attempt, + ['sofia::register_failure'] = self.sofia_register_failure, + } } +end + + +function PerimeterDefense.to_record(self, event, class) + return { + class = class, + key = event:getHeader('network-ip'), + sequence = tonumber(event:getHeader('Event-Sequence')), + timestamp = tonumber(event:getHeader('Event-Date-Timestamp')), + received_ip = event:getHeader('network-ip'), + received_port = event:getHeader('network-port'), + from_user = event:getHeader('from-user'), + from_host = event:getHeader('from-host'), + to_user = event:getHeader('to-user'), + to_host = event:getHeader('to-host'), + user_agent = event:getHeader('user-agent'), + user_agent = event:getHeader('user-agent'), + username = event:getHeader('username'), + realm = event:getHeader('realm'), + auth_result = event:getHeader('auth-result'), + contact = event:getHeader('contact'), + }; +end + + +function PerimeterDefense.sofia_pre_register(self, event) + local record = self:to_record(event, 'pre_register'); + self.perimeter:check(record); +end + + +function PerimeterDefense.sofia_register_attempt(self, event) + local record = self:to_record(event, 'register_attempt'); + self.perimeter:check(record); +end + + +function PerimeterDefense.sofia_register_failure(self, event) + local record = self:to_record(event, 'register_failure'); + self.perimeter:check(record); +end |