SNS什么的我是一直无爱的，这次蛋疼写了个登录开心网(kaixin001)并向所有好友发送站内消息的脚本。
开心网在登录的时候做了一些处理，并不传原始密码，从js分析到的结果是：登录时会生成一个随机的key，然后用这个key和原始密码进行xxtea加密，把加密后的结果再进行sha1加密。之后post这个key以及加密后的密码进行登录验证。
以下是很简陋的脚本内容：
#coding: utf-8
"""
开心网操作脚本
Author: piglei2007@gmail.com
Version: 1.0
"""
import re
import urllib
import urllib2
import random
import hashlib
import binascii
import cookielib
import simplejson
from xxtea import encrypt
LOGIN_URL = "http://www.kaixin001.com/login/login_api.php"
LOGIN_KEY_URL = "http://www.kaixin001.com/"
FRIEND_LIST_URL = "http://www.kaixin001.com/interface/suggestfriend.php"
MESSAGE_SEND_URL = "http://www.kaixin001.com/msg/post.php"
LOGIN_KEY_RE = re.compile(r"new\sEnLogin\('(.*")
class LoginError(Exception):
"""
登录失败抛出异常
"""
class Kaixin001User(object):
"""
操作kaixin001，现有方法：
get_login_key － 获得用户访问登录页面时分配的加密key
get_rpassword － 获得经过xxtea以及sha1加密后的密码
login - 登录
get_friends_list - 获得所有好友，返回字典格式
send_messages_to_all － 给所有好友发消息
"""
def __init__(self, username, password):
self.username = username
self.password = password
self.cj = cookielib.CookieJar()
opener = urllib2.build_opener(urllib2.HTTPCookieProcessor(self.cj))
opener.addheaders = [
("User-agent", "Mozilla/5.0 (X11; U; FreeBSD i386; en-US; rv:1.9.1) Gecko/20090704 Firefox/3.5"),
("Accept", "*/*"),
("Host", "www.kaixin001.com")
]
urllib2.install_opener(opener)
def get_login_key(self):
"""
获得登录时候的加密key
"""
_temp = urllib2.urlopen(LOGIN_KEY_URL).read()
key = LOGIN_KEY_RE.search(_temp).group(1)
return key
def login(self):
"""
登录
"""
login_key = self.get_login_key()
rpassword = self.get_rpassword(self.password, login_key)
login_params = {
'email': self.username,
'encypt': login_key,
'rpasswd': rpassword,
'url': '/home/',
'ver': '1'
}
req = urllib2.Request(LOGIN_URL, urllib.urlencode(login_params), {
"Referer": "http://www.kaixin001.com/"
})
result = urllib2.urlopen(req).read()
# 登录失败
if "errno" in result:
raise LoginError("登录失败，请检查用户名或密码")
print "用户 %s 登录成功！" % self.username
return 'ok'
def get_friends_list(self):
"""
获得所有好友列表
"""
get_friends_params = {
't': str(random.random()),
'type': 'all',
}
result = urllib2.urlopen(FRIEND_LIST_URL, urllib.urlencode(get_friends_params)).read()
friends = simplejson.loads(result)
print "你一共有 %s 位好友" % (len(friends) - 1)
return friends
def send_messages_to_all(self, message=''):
"""
给所有好友发消息
"""
friends = self.get_friends_list()
send_params = {
'attachment_cancel': '',
'attachment_forwarding': '',
'attachment_random': '',
'code': '',
'content': message,
'forward_thread': '',
'rcode': '',
'service': '0',
'texttype': 'html',
'uids': ",".join([str(f['uid']) for f in friends])
}
result = urllib2.urlopen(MESSAGE_SEND_URL, urllib.urlencode(send_params))
print result.geturl()
print "消息发送成功"
return 'ok'
def get_rpassword(self, password, key):
"""
获得加密后的密码
"""
xxtea_pw = binascii.b2a_hex( encrypt(password, key) )
r_password = hashlib.sha1(xxtea_pw).hexdigest()
return r_password
if __name__ == '__main__':
kxu = Kaixin001User(
username = 'your_username',
password = 'your_password'
)
kxu.login()
kxu.send_messages_to_all("This message is send by Python.")
这是脚本中需要用到的xxtea算法的python实现（xxtea.py）：
import struct
_DELTA = 0x9E3779B9
def _long2str(v, w):
n = (len(v) - 1) << 2
if w:
m = v[-1]
if (m < n - 3) or (m > n): return ''
n = m
s = struct.pack('<%iL' % len(v), *v)
return s[0:n] if w else s
def _str2long(s, w):
n = len(s)
m = (4 - (n & 3) & 3) + n
s = s.ljust(m, "\0")
v = list(struct.unpack('<%iL' % (m 2), s))
if w: v.append(n)
return v
def encrypt(str, key):
if str == '': return str
v = _str2long(str, True)
k = _str2long(key.ljust(16, "\0"), False)
n = len(v) - 1
z = v[n]
y = v[0]
sum = 0
q = 6 + 52 // (n + 1)
while q > 0:
sum = (sum + _DELTA) & 0xffffffff
e = sum 2 & 3
for p in xrange(n):
y = v[p + 1]
v[p] = (v[p] + ((z 5 ^ y << 2) + (y 3 ^ z << 4) ^ (sum ^ y) + (k[p & 3 ^ e] ^ z))) & 0xffffffff
z = v[p]
y = v[0]
v[n] = (v[n] + ((z 5 ^ y << 2) + (y 3 ^ z << 4) ^ (sum ^ y) + (k[n & 3 ^ e] ^ z))) & 0xffffffff
z = v[n]
q -= 1
return _long2str(v, False)
def decrypt(str, key):
if str == '': return str
v = _str2long(str, False)
k = _str2long(key.ljust(16, "\0"), False)
n = len(v) - 1
z = v[n]
y = v[0]
q = 6 + 52 // (n + 1)
sum = (q * _DELTA) & 0xffffffff
while (sum != 0):
e = sum 2 & 3
for p in xrange(n, 0, -1):
z = v[p - 1]
v[p] = (v[p] - ((z 5 ^ y << 2) + (y 3 ^ z << 4) ^ (sum ^ y) + (k[p & 3 ^ e] ^ z))) & 0xffffffff
y = v[p]
z = v[n]
v[0] = (v[0] - ((z 5 ^ y << 2) + (y 3 ^ z << 4) ^ (sum ^ y) + (k[0 & 3 ^ e] ^ z))) & 0xffffffff
y = v[0]
sum = (sum - _DELTA) & 0xffffffff
return _long2str(v, True)
if __name__ == "__main__":
print decrypt(encrypt('Hello XXTEA!', '16bytelongstring'), '16bytelongstring')