| Server IP : 52.223.31.75 / Your IP : 172.31.6.220 [ Web Server : Apache/2.4.66 () OpenSSL/1.0.2k-fips PHP/7.4.33 System : Linux ip-172-31-14-81.eu-central-1.compute.internal 4.14.281-212.502.amzn2.x86_64 #1 SMP Thu May 26 09:52:17 UTC 2022 x86_64 User : apache ( 48) PHP Version : 7.4.33 Disable Function : NONE Domains : 4 Domains MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : ON | Sudo : ON | Pkexec : OFF Directory : /usr/lib/python2.7/site-packages/josepy/ |
Upload File : |
"""`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
import six
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, six.binary_type):
raise TypeError('argument should be {0}'.format(six.binary_type))
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, six.string_types):
try:
data = data.encode('ascii')
except UnicodeEncodeError:
raise ValueError(
'unicode argument should contain only ASCII characters')
elif not isinstance(data, six.binary_type):
raise TypeError('argument should be a str or unicode')
return base64.urlsafe_b64decode(data + b'=' * (4 - (len(data) % 4)))