REDROOM

Navigation

Breadcrumbs

Create

Preview: b64.py Size: 1.40 KB

/lib/python3.6/site-packages/josepy/b64.py

"""`JOSE Base64`_ is defined as:

  - URL-safe Base64
  - padding stripped

.. _`JOSE Base64`:
    https://tools.ietf.org/html/draft-ietf-jose-json-web-signature-37#appendix-C

.. Do NOT try to call this module "base64", as it will "shadow" the
   standard library.

"""
import base64


def b64encode(data):
    """JOSE Base64 encode.

    :param data: Data to be encoded.
    :type data: bytes

    :returns: JOSE Base64 string.
    :rtype: bytes

    :raises TypeError: if ``data`` is of incorrect type

    """
    if not isinstance(data, bytes):
        raise TypeError('argument should be bytes')
    return base64.urlsafe_b64encode(data).rstrip(b'=')


def b64decode(data):
    """JOSE Base64 decode.

    :param data: Base64 string to be decoded. If it's unicode, then
                 only ASCII characters are allowed.
    :type data: bytes or unicode

    :returns: Decoded data.
    :rtype: bytes

    :raises TypeError: if input is of incorrect type
    :raises ValueError: if input is unicode with non-ASCII characters

    """
    if isinstance(data, str):
        try:
            data = data.encode('ascii')
        except UnicodeEncodeError:
            raise ValueError(
                'unicode argument should contain only ASCII characters')
    elif not isinstance(data, bytes):
        raise TypeError('argument should be a str or unicode')

    return base64.urlsafe_b64decode(data + b'=' * (4 - (len(data) % 4)))

Name	Size	Perms	Modified	Actions
testdata DIR	-	drwxr-xr-x	2025-04-13 08:21:05	Edit Download recursive recursive
__pycache__ DIR	-	drwxr-xr-x	2025-04-13 08:21:05	Edit Download recursive recursive
b64.py	1.40 KB	lrw-r--r--	2021-09-09 21:33:18	Edit Download recursive recursive
b64_test.py	2.20 KB	lrw-r--r--	2021-09-09 21:33:18	Edit Download recursive recursive
errors.py	762 B	lrw-r--r--	2021-09-09 21:33:18	Edit Download recursive recursive
errors_test.py	463 B	lrw-r--r--	2021-09-09 21:33:18	Edit Download recursive recursive
interfaces.py	7.51 KB	lrw-r--r--	2021-09-09 21:33:18	Edit Download recursive recursive
interfaces_test.py	3.51 KB	lrw-r--r--	2021-09-09 21:33:18	Edit Download recursive recursive
json_util.py	15.35 KB	lrw-r--r--	2021-09-09 21:33:18	Edit Download recursive recursive
json_util_test.py	13.83 KB	lrw-r--r--	2021-09-09 21:33:18	Edit Download recursive recursive
jwa.py	8.17 KB	lrw-r--r--	2021-09-09 21:33:18	Edit Download recursive recursive
jwa_test.py	8.80 KB	lrw-r--r--	2021-09-09 21:33:18	Edit Download recursive recursive
jwk.py	13.12 KB	lrw-r--r--	2021-09-09 21:33:18	Edit Download recursive recursive
jwk_test.py	12.69 KB	lrw-r--r--	2021-09-09 21:33:18	Edit Download recursive recursive
jws.py	13.84 KB	lrw-r--r--	2021-09-09 21:33:18	Edit Download recursive recursive
jws_test.py	8.32 KB	lrw-r--r--	2021-09-09 21:33:18	Edit Download recursive recursive
magic_typing.py	529 B	lrw-r--r--	2021-09-09 21:33:18	Edit Download recursive recursive
magic_typing_test.py	1.05 KB	lrw-r--r--	2021-09-09 21:33:18	Edit Download recursive recursive
test_util.py	2.57 KB	lrw-r--r--	2021-09-09 21:33:18	Edit Download recursive recursive
util.py	8.37 KB	lrw-r--r--	2021-09-09 21:33:18	Edit Download recursive recursive
util_test.py	8.15 KB	lrw-r--r--	2021-09-09 21:33:18	Edit Download recursive recursive
__init__.py	1.66 KB	lrw-r--r--	2021-09-09 21:33:18	Edit Download recursive recursive

Directory Contents