FM / itsdangerous

/usr/local/lib/python3.6/site-packages/itsdangerous/

/usr/local/lib/python3.6/site-packages/itsdangerous

Name	Size	Mode	Actions
__pycache__/	-	0755	rm
encoding.py	1407	0644	edit dl rm
exc.py	3206	0644	edit dl rm
jws.py	8137	0644	edit dl rm
py.typed	0	0644	edit dl rm
serializer.py	11137	0644	edit dl rm
signer.py	9367	0644	edit dl rm
timed.py	7850	0644	edit dl rm
url_safe.py	2388	0644	edit dl rm
_json.py	918	0644	edit dl rm
__init__.py	993	0644	edit dl rm

Edit: /usr/local/lib/python3.6/site-packages/itsdangerous/url_safe.py (2388B)

import typing as _t
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(Serializer):
    """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: bytes,
        *args: _t.Any,
        serializer: _t.Optional[_t.Any] = None,
        **kwargs: _t.Any,
    ) -> _t.Any:
        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().load_payload(json, *args, **kwargs)

def dump_payload(self, obj: _t.Any) -> bytes:
        json = super().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 typing as _t 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(Serializer): """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: bytes, *args: _t.Any, serializer: _t.Optional[_t.Any] = None, **kwargs: _t.Any, ) -> _t.Any: 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().load_payload(json, *args, **kwargs) def dump_payload(self, obj: _t.Any) -> bytes: json = super().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 ``'.'``. """