FM / itsdangerous

/opt/imh-python/lib/python3.9/site-packages/itsdangerous/

/opt/imh-python/lib/python3.9/site-packages/itsdangerous

Name	Size	Mode	Actions
__pycache__/	-	0755	rm
encoding.py	1224	0644	edit dl rm
exc.py	2959	0644	edit dl rm
jws.py	7470	0644	edit dl rm
serializer.py	8653	0644	edit dl rm
signer.py	6345	0644	edit dl rm
timed.py	5635	0644	edit dl rm
url_safe.py	2275	0644	edit dl rm
_compat.py	1133	0644	edit dl rm
_json.py	431	0644	edit dl rm
__init__.py	708	0644	edit dl rm

Edit: /opt/imh-python/lib/python3.9/site-packages/itsdangerous/url_safe.py (2275B)

import zlib

from ._json import _CompactJSON
from .encoding import base64_decode
from .encoding import base64_encode
from .exc import BadPayload
from .serializer import Serializer
from .timed import TimedSerializer

class URLSafeSerializerMixin(object):
    """Mixed in with a regular serializer it will attempt to zlib
    compress the string to make it shorter if necessary. It will also
    base64 encode the string so that it can safely be placed in a URL.
    """

default_serializer = _CompactJSON

def load_payload(self, payload, *args, **kwargs):
        decompress = False
        if payload.startswith(b"."):
            payload = payload[1:]
            decompress = True
        try:
            json = base64_decode(payload)
        except Exception as e:
            raise BadPayload(
                "Could not base64 decode the payload because of an exception",
                original_error=e,
            )
        if decompress:
            try:
                json = zlib.decompress(json)
            except Exception as e:
                raise BadPayload(
                    "Could not zlib decompress the payload before decoding the payload",
                    original_error=e,
                )
        return super(URLSafeSerializerMixin, self).load_payload(json, *args, **kwargs)

def dump_payload(self, obj):
        json = super(URLSafeSerializerMixin, self).dump_payload(obj)
        is_compressed = False
        compressed = zlib.compress(json)
        if len(compressed) < (len(json) - 1):
            json = compressed
            is_compressed = True
        base64d = base64_encode(json)
        if is_compressed:
            base64d = b"." + base64d
        return base64d

class URLSafeSerializer(URLSafeSerializerMixin, Serializer):
    """Works like :class:`.Serializer` but dumps and loads into a URL
    safe string consisting of the upper and lowercase character of the
    alphabet as well as ``'_'``, ``'-'`` and ``'.'``.
    """

class URLSafeTimedSerializer(URLSafeSerializerMixin, TimedSerializer):
    """Works like :class:`.TimedSerializer` but dumps and loads into a
    URL safe string consisting of the upper and lowercase character of
    the alphabet as well as ``'_'``, ``'-'`` and ``'.'``.
    """

import zlib from ._json import _CompactJSON from .encoding import base64_decode from .encoding import base64_encode from .exc import BadPayload from .serializer import Serializer from .timed import TimedSerializer class URLSafeSerializerMixin(object): """Mixed in with a regular serializer it will attempt to zlib compress the string to make it shorter if necessary. It will also base64 encode the string so that it can safely be placed in a URL. """ default_serializer = _CompactJSON def load_payload(self, payload, *args, **kwargs): decompress = False if payload.startswith(b"."): payload = payload[1:] decompress = True try: json = base64_decode(payload) except Exception as e: raise BadPayload( "Could not base64 decode the payload because of an exception", original_error=e, ) if decompress: try: json = zlib.decompress(json) except Exception as e: raise BadPayload( "Could not zlib decompress the payload before decoding the payload", original_error=e, ) return super(URLSafeSerializerMixin, self).load_payload(json, *args, **kwargs) def dump_payload(self, obj): json = super(URLSafeSerializerMixin, self).dump_payload(obj) is_compressed = False compressed = zlib.compress(json) if len(compressed) < (len(json) - 1): json = compressed is_compressed = True base64d = base64_encode(json) if is_compressed: base64d = b"." + base64d return base64d class URLSafeSerializer(URLSafeSerializerMixin, Serializer): """Works like :class:`.Serializer` but dumps and loads into a URL safe string consisting of the upper and lowercase character of the alphabet as well as ``'_'``, ``'-'`` and ``'.'``. """ class URLSafeTimedSerializer(URLSafeSerializerMixin, TimedSerializer): """Works like :class:`.TimedSerializer` but dumps and loads into a URL safe string consisting of the upper and lowercase character of the alphabet as well as ``'_'``, ``'-'`` and ``'.'``. """