dlanner/crumbl

Command line tool for reading and writing encoded or encrypted Rails sessions

crumbl

Command line tool for reading and writing encoded or encrypted Rails sessions

Installation

gem install crumbl

Usage

$ crumbl help
Commands:
  crumbl decode [COOKIE]              # Decode a Rails 3 cookie [COOKIE]
  crumbl decrypt [KEY BASE] [COOKIE]  # Decrypt Rails 4 [COOKIE] using secret key base [KEY BASE]
  crumbl encode [KEY]                 # Encode [DATA] as a Rails 3 cookie signed with secret key [KEY]
  crumbl encrypt [KEY BASE]           # Encrypt Rails 4 [DATA] using secret key base [KEY BASE]
  crumbl help [COMMAND]               # Describe available commands or one specific command

Decrypt Rails 4 encrypted cookie:

$ crumbl decrypt "secret key base" V25qdmEwZVp3ME9HNXU5ZkxzM2srQlFrcU1FQ3dGYit1YmtlRVVnVVRROD0tLTI0U2t1cXZhNDhucGtxMnIyVTFXN2c9PQ==--62bb4aa196b53de5cc993e6377be37d704aaf372
{:session_type=>"user"}

Encrypt Rails 4 cookie:

$ crumbl encrypt "secret key base"
Data to encrypt: 
crumbl> {:session_type=>"admin"}
=> Z1FpV2FHRjVXQmtRQUJiamo4Vm1XSThpK0xVMlVNSUVFblpRODAvcFA0WT0tLWNlSW4zdzM1VGNmNHZNR1pSVUxMaUE9PQ==--da1cab0cf5b4a6429c9afba06294dcee5da32172

Decode Rails 3 signed cookie:

$ crumbl decode BAhJIhx7OnNlc3Npb25fdHlwZT0+InVzZXIifQY6BkVU--63891186505fa396a865465f46f904dba0423df0
{:session_type=>"user"}

Encode Rails 3 signed cookie:

$ crumbl encode "signing key"
Data to encode: 
crumbl> {:session_type=>"admin"}
=> BAhJIh17OnNlc3Npb25fdHlwZT0+ImFkbWluIn0GOgZFVA==--4f4881f111cd39dc06b8189580088b1472daf045

Options

JSON Input:

$ crumbl encrypt "secret key base"
Data to encrypt: 
crumbl> {"allowed_ip": "1.2.3.4"}
=> K0hjc1FYdW9hUWVkRFA2MFhHVFE4dmhWalVCSndITWtlanhVRW1ZYmM3TT0tLXhvQm1EZWZhRnZLT3E3SFgzQTFhU3c9PQ==--b9e14fdf3c4f216824a3336079853b63cbaf5d47