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Flask Session Cookie Decoder/Encoder
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README.md

Flask Session Cookie Decoder/Encoder

Original author : Wilson Sumanang

Fixes and improvements author : Alexandre ZANNI

Imported from saruberoz.github.io

Depencencies

Installation

ArchLinux

Python 3

# pacman -S python
# pacman -S python-itsdangerous python-flask --asdep

Python 2

# pacman -S python2
# pacman -S python2-itsdangerous python2-flask --asdep

Other distros

Find your way with your package manager, use pip in a virtual environment or use pyenv.

Usage

Use flask_session_cookie_manager3.py with Python 3 and flask_session_cookie_manager2.py with Python 2.

usage: flask_session_cookie_manager{2,3}.py [-h] {encode,decode} ...

Flask Session Cookie Decoder/Encoder

positional arguments:
  {encode,decode}  sub-command help
    encode         encode
    decode         decode

optional arguments:
  -h, --help       show this help message and exit

Encode

usage: flask_session_cookie_manager{2,3}.py encode [-h] -s <string> -t <string>

optional arguments:
  -h, --help            show this help message and exit
  -s <string>, --secret-key <string>
                        Secret key
  -t <string>, --cookie-structure <string>
                        Session cookie structure

Decode

usage: flask_session_cookie_manager.py decode [-h] [-s <string>] -c <string>

optional arguments:
  -h, --help            show this help message and exit
  -s <string>, --secret-key <string>
                        Secret key
  -c <string>, --cookie-value <string>
                        Session cookie value

Examples

Encode

$ python{2,3} flask_session_cookie_manager{2,3}.py encode -s '.{y]tR&sp&77RdO~u3@XAh#TalD@Oh~yOF_51H(QV};K|ghT^d' -t '{"number":"326410031505","username":"admin"}'
eyJudW1iZXIiOnsiIGIiOiJNekkyTkRFd01ETXhOVEExIn0sInVzZXJuYW1lIjp7IiBiIjoiWVdSdGFXND0ifX0.DE2iRA.ig5KSlnmsDH4uhDpmsFRPupB5Vw

Note: the session cookie structure must be a valid python dictionary

Decode

With secret key:

$ python{2,3} flask_session_cookie_manager{2,3}.py decode -c 'eyJudW1iZXIiOnsiIGIiOiJNekkyTkRFd01ETXhOVEExIn0sInVzZXJuYW1lIjp7IiBiIjoiWVdSdGFXND0ifX0.DE2iRA.ig5KSlnmsDH4uhDpmsFRPupB5Vw' -s '.{y]tR&sp&77RdO~u3@XAh#TalD@Oh~yOF_51H(QV};K|ghT^d'
{u'username': 'admin', u'number': '326410031505'}

Without secret key (less pretty output):

$ python{2,3} flask_session_cookie_manager{2,3}.py decode -c 'eyJudW1iZXIiOnsiIGIiOiJNekkyTkRFd01ETXhOVEExIn0sInVzZXJuYW1lIjp7IiBiIjoiWVdSdGFXND0ifX0.DE2iRA.ig5KSlnmsDH4uhDpmsFRPupB5Vw'
{"number":{" b":"MzI2NDEwMDMxNTA1"},"username":{" b":"YWRtaW4="}}
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