perimeter defense class added

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