JSON Web Token (JWT) Python 的实现

Posted 2020-07-02

Docker registry 认证使用的是JWT，Go实现的，研究了一整天，这段代码帮大忙了。

 

import jwt

from cryptography.hazmat.backends import default_backend
from itsdangerous import base64_decode
from Crypto.PublicKey import RSA


secret = "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCIE6a1NyEFe7qCDFrvWFZiAlY1ttE5596w5dLjNSaHlKGv8AXbKg/f8yKY9fKAJ5BKoeWEkPPjpn1t9QQAZYzqH9KNOFigMU8pSaRUxjI2dDvwmu8ZH6EExY+RfrPjQGmeliK18iFzFgBtf0eH3NAW3Pf71OZZz+cuNnVtE9lrYQIDAQAB"
secretDer = base64_decode(secret)
sshrsaSecret = "ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAAAgQCIE6a1NyEFe7qCDFrvWFZiAlY1ttE5596w5dLjNSaHlKGv8AXbKg/f8yKY9fKAJ5BKoeWEkPPjpn1t9QQAZYzqH9KNOFigMU8pSaRUxjI2dDvwmu8ZH6EExY+RfrPjQGmeliK18iFzFgBtf0eH3NAW3Pf71OZZz+cuNnVtE9lrYQ=="
secretPEM = "-----BEGIN PUBLIC KEY-----\n" + secret + "\n-----END PUBLIC KEY-----"
access_token = "eyJhbGciOiJSUzI1NiJ9.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.O7e8dkv0k-2HCjMdZFXIxLhypVyRPwIdrQsYTMwC1996wbsjIw1L3OjDSzJKXcx0U9YrVeRM4yMVlFg40uJDC-9IsKZ8nr5dl_da8SzgpAkempxpas3girST2U9uvY56m2Spp6-EFInvMSb6k4t1L49_Q7R2g0DOlKzxgQd87LY"

############### Test using PEM key (with ----- lines)
try:
    access_token_json = jwt.decode(access_token, key=secretPEM)
except Exception as e:
    print "Not working using PEM key with ----: ", e
else:
    print "It worked!"

############### Test using PEM key (without ----- lines)
try:
    access_token_json = jwt.decode(access_token, key=secret)
except Exception as e:
    print "Not working using PEM key without ----: ", e
else:
    print "It worked!"

############### Test using DER key
try:
    access_token_json = jwt.decode(access_token, key=secretDer)
except Exception as e:
    print "Not working using DER key: ", e
else:
    print "It worked!"

############### Test using DER key #2
try:
    public_key = default_backend().load_der_public_key(secretDer)
    access_token_json = jwt.decode(access_token, key=public_key)
except Exception as e:
    print "Not working using DER key #2: ", e
else:
    print "It worked!"

############### Test using SSH style key
try:
    access_token_json = jwt.decode(access_token, key=sshrsaSecret)
except Exception as e:
    print "Not working using SSH style key: ", e
else:
    print "It worked!"

############### Test using RSA numbers
class Numbers:
    pass

numbers = Numbers()
public_key = RSA.importKey(secretDer)
numbers.e = public_key.key.e
numbers.n = public_key.key.n
# yet another way to generated valid key object
public_key = default_backend().load_rsa_public_numbers(numbers)
print public_key
try:
    access_token_json = jwt.decode(access_token, key=public_key)
except Exception as e:
    print "Not working using RSA numbers: ", e
else:
    print "It worked!"
###############

 

原文地址：http://stackoverflow.com/questions/29650495/how-to-verify-a-jwt-using-python-pyjwt-with-public-key

 

其他有用的资源：

JWT的说明文档：http://self-issued.info/docs/draft-ietf-oauth-json-web-token.html#jtiDef

jwt-simple ：https://www.npmjs.com/package/jwt-simple