cjwt 0.2.0

Simple JWT reader utility

Cat JWT

Install

pip3 install cjwt

Usage

usage: cjwt [-h] [--secret [SECRET]] [file]

positional arguments:
  file

options:
  -h, --help         show this help message and exit
  --secret [SECRET]  JWT secret

Examples

Read header and claims

• Read from stdin

$ echo 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiaWF0IjoxNTE2MjM5MDIyLCJ0ZXN0IjoiYWJjZGVmIn0.tPJ7bVKyF_FMFQaRT6n7dvhEBnyiBRGhVlwacTsy0mI' | cjwt
alg: HS256
typ: JWT
sub: 1234567890
name: John Doe
iat: 1516239022
test: abcdef

• Read from file

$ cjwt /tmp/jwt.txt
alg: HS256
typ: JWT
sub: 1234567890
name: John Doe
iat: 1516239022
test: abcdef

• Read from .roadtools_auth

$ cat .roadtools_auth | cjwt
typ: JWT
nonce: <cut>
alg: <cut>
x5t: <cut>
kid: <cut>
aud: https://graph.microsoft.com/
<snip>

Verify secret

echo 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiaWF0IjoxNTE2MjM5MDIyLCJ0ZXN0IjoiYWJjZGVmIn0.tPJ7bVKyF_FMFQaRT6n7dvhEBnyiBRGhVlwacTsy0mI' | cjwt --secret 'secret'
alg: HS256
typ: JWT
sub: 1234567890
name: John Doe
iat: 1516239022
test: abcdef

echo 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiaWF0IjoxNTE2MjM5MDIyLCJ0ZXN0IjoiYWJjZGVmIn0.tPJ7bVKyF_FMFQaRT6n7dvhEBnyiBRGhVlwacTsy0mI' | cjwt --secret 'not-secret'
alg: HS256
typ: JWT
Signature verification failed