$ gem install jwtear

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NAME
    jwtear - Parse, create and manipulate JWT tokens.

SYNOPSIS
    jwtear [global options] command [command options] [arguments...]

GLOBAL OPTIONS
    -v, --version - Check current and latest version
    -h, --help    - Show this help message

COMMANDS
    help            - Shows a list of commands or help for one command
    bruteforce, bfs - plugin to offline bruteforce and crack token's signature.
    jws, s          - Generate signature-based JWT (JWS) token.
    jwe, e          - Generate encryption-based JWT (JWE) token.
    parse           - Parse JWT token (accepts JWS and JWE formats).
    wiki, w         - A JWT wiki for hackers.

$jwtear -h jws

NAME
    jws - Generate signature-based JWT (JWS) token.

SYNOPSIS
    jwtear [global options] jws [command options] 

DESCRIPTION
    Generate JWS and JWE tokens. 

COMMAND OPTIONS
    -h, --header=JSON               - JWT header (JSON format). eg. {"typ":"JWT","alg":"HS256"}. Run 'jwtear gen -l' for supported algorithms. (required, default: none)
    -p, --payload=JSON              - JWT payload (JSON format). eg. {"login":"admin"} (required, default: none)
    -k, --key=PASSWORD|PUB_KEY_FILE - Key as a password string or a file public key. eg. P@ssw0rd  | eg. public_key.pem (default: none)

$ jwtear parse -t eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiaWF0IjoxNTE2MjM5MDIyfQ.J8SS8VKlI2yV47C4BtfYukWPx_2welF34Mz7l-MNmkE
$ jwtear jws -h '{"alg":"HS256","typ":"JWT"}' -p '{"user":"admin"}' -k p@ss0rd123
$ jwtear jwe -header '{"enc":"A192GCM","typ":"JWT"}' --payload '{"user":"admin"}' --key public.pem 
$ jwtear bruteforce -v -t eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJ1c2VyIjpudWxsfQ.Tr0VvdP6rVBGBGuI_luxGCOaz6BbhC6IxRTlKOW8UjM -l ~/tmp/pass.list

module JWTear
  module CLI
    extend GLI::App
    extend JWTear::Helpers::Extensions::Print
    extend JWTear::Helpers::Utils

    desc "Plugin short description"
    long_desc "Plugin long description"
    command [:template, :pt] do |c|
      c.action do |global, options, arguments|
        print_h1 "Plugin template"
        print_good "Hi, I'm a template."
        template = TemplatePlugin.new
      end
    end
  end

  module Plugin
    class TemplatePlugin
      include JWTear::Helpers::Extensions::Print
      include JWTear::Helpers::Utils

      def initialize
        check_dependencies
        # ..code...
      end
     
      # ..code...
    end
  end
end

deps = {'async-io' => 'async/ip'}
check_dependencies(deps)