#!/usr/bin/python
import cgi
import random
from math import floor
# for session stuff
import os, pickle
from Cookie import SimpleCookie
# for form access
import cgitb; cgitb.enable()
#import cgitb; cgitb.enable(display=0, logdir="/tmp")
form = cgi.FieldStorage()
if os.environ.has_key('HTTP_COOKIE'):
sid = SimpleCookie(os.environ['HTTP_COOKIE'])['sid'].value
else:
import sha, time
sid = sha.new(str(time.time())).hexdigest()
sfile = '/tmp/http_session_'+sid
error = ""
# check args
try:
if (form.has_key("lover") and form.has_key("upper")):
lover = int(form["lover"].value)
upper = int(form["upper"].value)
error = "success"
else:
error = "no result"
except ValueError:
error = "value error"
# load session
if os.path.exists(sfile):
fh = open(sfile, 'rb')
session = pickle.load(fh)
fh.close()
else:
session = {}
session['visits'] = 0
# update session
session['visits'] += 1
# save session
fh = open(sfile, 'w')
pickle.dump(session, fh, 1)
fh.close()
# print header
print "Content-Type: text/html" # HTML is following
print "Set-Cookie: sid=" + sid # set cookie
print # blank line, end of headers
print ""
print " "
print " Random generator (" + error + ")"
print " "
print " "
print " Random generator (" + error + ")
"
if error == "success":
print " Random number [" + str(lover) + "," + str(upper) + "[ : " + str(int(floor(random.uniform(lover, upper))))
print " "
print " Visits from your session: " + str(session['visits'])
print " "
print ""