Function decodeBase64

lib/core/convert.py:199–238

Returns a decoded representation of provided Base64 value >>> decodeBase64("MTIz") == b"123" True >>> decodeBase64("MTIz", binary=False) '123' >>> decodeBase64("A-B_CDE") == decodeBase64("A+B/CDE") True >>> decodeBase64(b"MTIzNA") == b"1234" True >>> decodeB

(value, binary=True, encoding=None)

    return retVal

def decodeBase64(value, binary=True, encoding=None):
    """
    Returns a decoded representation of provided Base64 value

    >>> decodeBase64("MTIz") == b"123"
    True
    >>> decodeBase64("MTIz", binary=False)
    '123'
    >>> decodeBase64("A-B_CDE") == decodeBase64("A+B/CDE")
    True
    >>> decodeBase64(b"MTIzNA") == b"1234"
    True
    >>> decodeBase64("MTIzNA") == b"1234"
    True
    >>> decodeBase64("MTIzNA==") == b"1234"
    True
    """

    if value is None:
        return None

    padding = b'=' if isinstance(value, bytes) else '='

    # Reference: https://stackoverflow.com/a/49459036
    if not value.endswith(padding):
        value += 3 * padding

    # Reference: https://en.wikipedia.org/wiki/Base64#URL_applications
    # Reference: https://perldoc.perl.org/MIME/Base64.html
    if isinstance(value, bytes):
        value = value.replace(b'-', b'+').replace(b'_', b'/')
    else:
        value = value.replace('-', '+').replace('_', '/')

    retVal = base64.b64decode(value)

    if not binary:
        retVal = getText(retVal, encoding)

    return retVal

def encodeBase64(value, binary=True, encoding=None, padding=True, safe=False):
    """