fix a bug with session timeouts

runserver.py

 from tes import app
-#import logging
+import logging
 #logging.basicConfig(filename="tes.log",format="%(asctime)s %(levelname)s:%(process)s: %(message)s")
-#logger=logging.getLogger()
-#logger.setLevel(logging.DEBUG)
+logger=logging.getLogger()
+logger.setLevel(logging.DEBUG)
 
 app.run(host='localhost',debug=True,port=5000)

tes/__init__.py

@@ -8,7 +8,7 @@ app = Flask(__name__)
 app.config['DEBUG'] = True
 app.config['SECRET_KEY'] = 'asdasfdfj'
 import datetime
-app.config['PERMANENT_SESSION_LIFETIME'] = datetime.timedelta(seconds=600)
+app.config['PERMANENT_SESSION_LIFETIME'] = datetime.timedelta(seconds=1200)
 app.config['SESSION_REFRESH_EACH_REQUEST'] = True
 api = Api(app)
 sshsessions = {}
@@ -19,7 +19,12 @@ from . import apiendpoints
 
 @app.after_request
 def after_cleanup_sessions(response):
-    print("in after_cleanup_sessions")
+    import logging
+    logger=logging.getLogger()
+    logger.debug("in after_cleanup_sessions")
+    sshsessid = session.get('sshsessid', None)
+    print("the sshsessid for this request was {}".format(sshsessid))
+
     # kvsessionextension.cleanup_sessions(app)
     _ttl = app.config['PERMANENT_SESSION_LIFETIME']
     if isinstance(_ttl, int):
@@ -28,6 +33,7 @@ def after_cleanup_sessions(response):
         ttl = _ttl
     for k, sshsess in list(sshsessions.items()):
         if datetime.datetime.now() > sshsess.last + ttl:
+            print("session last seen at {} now {}".format(sshsess.last,datetime.datetime.now()))
             sshsess.kill()
             del sshsessions[k]
     return response

tes/apiendpoints.py

@@ -66,6 +66,7 @@ class StartAgent(Resource):
 
 class AddKey(Resource):
     def post(self):
+        session.permanent = True
         from .localtunnelstat import SSHSession
         sshsess = SSHSession.get_sshsession()
         data = request.get_json()
@@ -162,6 +163,7 @@ class Stat(Resource):
         logger.info('/stat endpoint entered')
         params = get_conn_params()
         sshsess = SSHSession.get_sshsession()
+        sshsess.refresh()
         logger.info('/stat endpoint, all parameters collected')
         try:
             res = Ssh.execute(sshsess, host=params['host'], user=params['user'], cmd=params['statcmd'])

tes/localtunnelstat/__init__.py

@@ -113,6 +113,10 @@ class SSHSession:
     def refresh(self):
         import datetime
         self.last = datetime.datetime.now()
+        import logging
+        logger = logging.getLogger()
+        logger.debug("updated datetime to {} for {}".format(self.last,self.authtok))
+        print("updated datetime to {} for {}".format(self.last,self.authtok))
 
     def set_authtok(self,authtok):
         self.authtok = authtok
@@ -123,7 +127,11 @@ class SSHSession:
     def kill(self):
         import os
         import signal
+        import logging
+        logger=logging.getLogger()
         print("killing all processes associated with this sshsession")
+        logger.debug("shuting down ssh session for {} last seen at {}".format(self.authtok,self.last))
+        print("shuting down ssh session for {} last seen at {}".format(self.authtok,self.last))
         print(self.pids)
         for pid in self.pids:
             try: