2022-07-25 16:24:11 +08:00

120 lines
3.2 KiB
Python

import hashlib
import rsa
import base64
import subprocess
import platform
import os.path
def md5(data: str):
"""
generate md5 hash of utf-8 encoded string.
"""
return hashlib.md5(data.encode("utf-8")).hexdigest()
def md5_bytes(data: bytes):
"""
generate md5 hash of binary.
"""
return hashlib.md5(data).hexdigest()
def sign_str(data: str, app_secret: str):
"""
sign a string of request parameters
Args:
data: string of request parameters, must be sorted by key before input.
app_secret: a secret string coupled with app_key.
Returns:
A hash string. len=32
"""
return md5(data + app_secret)
def sign_dict(data: dict, app_secret: str):
"""
sign a dictionary of request parameters
Args:
data: dictionary of request parameters.
app_secret: a secret string coupled with app_key.
Returns:
A hash string. len=32
"""
data_str = []
keys = list(data.keys())
keys.sort()
for key in keys:
data_str.append("{}={}".format(key, data[key]))
data_str = "&".join(data_str)
data_str = data_str + app_secret
return md5(data_str)
def login_sign_dict_bin(data: dict):
data_str = []
keys = list(data.keys())
keys.sort()
for key in keys:
data_str.append("{}={}".format(key, data[key]))
data_str = "&".join(data_str)
package_directory = os.path.dirname(os.path.abspath(__file__))
if platform.system().lower() == 'windows':
print(data_str)
print(subprocess.Popen([os.path.join(package_directory, "sign.exe"), data_str], stdout=subprocess.PIPE).communicate()[0].decode().strip())
return subprocess.Popen([os.path.join(package_directory, "sign.exe"), data_str], stdout=subprocess.PIPE).communicate()[0].decode().strip()
if platform.system().lower() == 'linux':
return subprocess.Popen([os.path.join(package_directory, "sign.out"), data_str], stdout=subprocess.PIPE).communicate()[0].decode().strip()
raise Exception("Operating System is not supported.")
def encrypt_login_password(password, hash, pubkey):
"""
encrypt password for login api.
Args:
password: plain text of user password.
hash: hash provided by /api/oauth2/getKey.
pubkey: public key provided by /api/oauth2/getKey.
Returns:
An encrypted cipher of password.
"""
return base64.b64encode(rsa.encrypt(
(hash + password).encode('utf-8'),
rsa.PublicKey.load_pkcs1_openssl_pem(pubkey.encode()),
))
def av2bv(av: int):
table = 'fZodR9XQDSUm21yCkr6zBqiveYah8bt4xsWpHnJE7jL5VG3guMTKNPAwcF'
tr = {}
for i in range(58):
tr[table[i]] = i
s = [11, 10, 3, 8, 4, 6]
xor = 177451812
add = 8728348608
av = (av ^ xor) + add
r = list('BV1 4 1 7 ')
for i in range(6):
r[s[i]] = table[av // 58 ** i % 58]
return ''.join(r)
def bv2av(bv: str):
table = 'fZodR9XQDSUm21yCkr6zBqiveYah8bt4xsWpHnJE7jL5VG3guMTKNPAwcF'
tr = {}
for i in range(58):
tr[table[i]] = i
s = [11, 10, 3, 8, 4, 6]
xor = 177451812
add = 8728348608
r = 0
for i in range(6):
r += tr[bv[s[i]]] * 58 ** i
return (r - add) ^ xor