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-rw-r--r--misc/freeswitch/scripts/event/perimeter_defense.lua77
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