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JWT Generator
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| import json | |
| import base64 | |
| import secrets | |
| import hmac | |
| import hashlib | |
| # secret = 'SECRET' # uncomment this if you want constant secret | |
| def jwt_gen(message, alg): | |
| def base64UrlEncode(j): | |
| s = json.dumps(j) | |
| return base64.urlsafe_b64encode(s.encode('utf-8')) | |
| def sign_rs(): | |
| pass | |
| def sign_hs(e_h, e_p): | |
| secret = secrets.token_bytes(256) | |
| key = (e_h.decode() + '.' + e_p.decode()).encode('utf-8') | |
| signature = hmac.new(secret, key, hashlib.sha256).digest() | |
| return signature, secret | |
| alg_func = { | |
| 'RS256': sign_rs, | |
| 'HS256': sign_hs, | |
| } | |
| header = { | |
| "alg": alg, | |
| "typ": "JWT" | |
| } | |
| payload = { | |
| "msg": message | |
| } | |
| en_header = base64UrlEncode(header) | |
| en_payload = base64UrlEncode(payload) | |
| signature, secret = alg_func[alg](en_header, en_payload) | |
| print(f'Signature: {signature}') | |
| print(f'Secret: {secret}') | |
| print(en_header.decode() + '.' + en_payload.decode() + '.' + signature.decode()) |
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| import os | |
| from encrypt import jwt_gen | |
| jwt, secret = jwt_gen('Hello World!', 'HS256') | |
| os.environ['HS256_JWT'] = jwt | |
| os.environ['HS256_SECRET'] = secret |
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