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import urllib
import urllib2
import hashlib

def mid(s, offset, amount):
    return s[offset-1:offset+amount-1]

def find_str(s, char):
    index = 0

    if char in s:
        c = char[0]
        for ch in s:
            if ch == c:
                if s[index:index+len(char)] == char:
                    return index

            index += 1

    return -1

def computeMD5hash(my_string):
    m = hashlib.md5()
    m.update(my_string.encode('utf-8'))
    return m.hexdigest()

req = urllib2.Request("http://docker.hackthebox.eu:33843")
res = urllib2.urlopen(req)
data = res.read()

x = find_str(data, "<h3 align='center'>")
y = find_str(data, "</h3><center>")

hashstr = mid(data, x+len("<h3 align='center'>")+1, y-(x+len("<h3 align='center'>")))
print (hashstr+"\n")
hashmd5 = computeMD5hash(hashstr)
print (hashmd5)

data = urllib.urlencode({'hash' : hashmd5})
content = urllib2.urlopen(url="http://docker.hackthebox.eu:33843", data=data).read()

print (content)

if (find_str(content, "Too slow") > 0):
    print ("NOIS")