#!/usr/bin/env python

# Google Pagerank Checksum Algorithm (Firefox Toolbar)
#	Downloaded from http://pagerank.phurix.net/
# Requires: Python >= 2.4

# Versions:
# pagerank2.py 0.2 - Fixed a minor formatting bug
# pagerank2.py 0.1 - Public release

# Settings
prhost='toolbarqueries.google.com'
prpath='/tbr?client=navclient-auto&ch=%s&features=Rank&q=info:%s'

# Function definitions
def GetHash (query):
    SEED = "Mining PageRank is AGAINST GOOGLE'S TERMS OF SERVICE. Yes, I'm talking to you, scammer."
    Result = 0x01020345
    for i in range(len(query)) :
        Result ^= ord(SEED[i%len(SEED)]) ^ ord(query[i])
        Result = Result >> 23 | Result << 9
        Result &= 0xffffffff 
    return '8%x' % Result

def GetPageRank (query):
    import httplib
    conn = httplib.HTTPConnection(prhost)
    hash = GetHash(query)
    path = prpath % (hash,query)
    conn.request("GET", path)
    response = conn.getresponse()
    data = response.read()
    conn.close()
    return data

#EOF