- Plugin geowifi saves wifi geolocation on hndshk

Saves a json file with the access points with more signal whenever a handshake is captured.
	This data is usable to retrieve the geographic location using Google Geolocation API or Mozilla Location Service

pwnagotchi/defaults.yml

@@ -29,6 +29,8 @@ main:
         commands:
           - 'tar czf /tmp/backup.tar.gz {files}'
           - 'scp /tmp/backup.tar.gz pwnagotchi@10.0.0.1:/home/pwnagotchi/backups/backup-$(date +%s).tar.gz'
+      geowifi:
+        enabled: false
       gps:
         enabled: false
         speed: 19200

pwnagotchi/plugins/default/geowifi.py

@@ -0,0 +1,30 @@
+__author__ = 'zenzen san'
+__version__ = '1.0.0'
+__name__ = 'geowifi'
+__license__ = 'GPL3'
+__description__ = 'Saves a json file with the access points with more signal whenever a handshake is captured. This data is usable to retrieve the geographic location using Google Geolocation API or Mozilla Location Service'
+
+import logging
+import json
+
+def on_loaded():
+    logging.info("geowifi plugin loaded. :)")
+
+def on_handshake(agent, filename, access_point, client_station):
+    info = agent.session()
+    aps = agent.get_access_points()
+    geowifi = _geowifi_location(aps)
+    geowifi_filename = filename.replace('.pcap', '.geowifi.json')
+
+    logging.info("saving GEOWIFI location to %s" % (geowifi_filename))
+    with open(geowifi_filename, 'w+t') as fp:
+        json.dump(geowifi, fp)
+
+def _geowifi_location(aps):
+    geowifi = {}
+    geowifi['wifiAccessPoints'] = []
+    # size seems a good number to save a wifi networks location 
+    for ap in sorted(aps,key=lambda i:i['rssi'],reverse=True)[:6]:
+        geowifi['wifiAccessPoints'].append({'macAddress': ap['mac'], 'signalStrength': ap['rssi']})
+    return geowifi
+