refactoring: using xml params part IV (default values)

- File Transfert/IP is now set by default to the ip externally visible

plugins/plugin_xep_0065.py

@@ -59,8 +59,9 @@ from logging import debug, info, error
 from twisted.internet import protocol, reactor
 from twisted.protocols.basic import FileSender
 from twisted.words.xish import domish
+from twisted.web.client import getPage
 import struct
-from binascii import hexlify
+import urllib
 import hashlib, pdb
 
 from zope.interface import implements
@@ -454,12 +455,12 @@ class XEP_0065(XMPPHandler):
     params = """
     <params>
     <category name="File Transfert">
-        <param name="IP" value="192.168.0.10" type="string" />
+        <param name="IP" value='0.0.0.0' default_cb='yes' type="string" />
         <param name="Port" value="28915" type="string" />
     </category>
     </params>
     """
-    
+
     def __init__(self, host):
         info("Plugin XEP_0065 initialization")
         self.host = host
@@ -467,11 +468,16 @@ class XEP_0065(XMPPHandler):
         self.server_factory = Socks5ServerFactory()
         self.server_factory.protocol.host = self.host #needed for progress CB
         self.client_factory = Socks5ClientFactory()
-        host.memory.import_params(self, XEP_0065.params)
+        host.memory.importParams(self, XEP_0065.params)
+        host.memory.setDefault("IP", "File Transfert", self.getExternalIP)
         port = int(self.host.memory.getParamV("Port", "File Transfert"))
         info("Launching Socks5 Stream server on port %d", port)
         reactor.listenTCP(port, self.server_factory)
     
+    def getExternalIP(self):
+        """Return IP visible from outside, by asking to a website"""
+        return getPage("http://www.goffi.org/sat_tools/get_ip.php")
+    
     def connectionInitialized(self):
         self.xmlstream.addObserver(BS_REQUEST, self.getFile)