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Switch from md5 to sha256 for UIDs and tokens

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This commit is contained in:
Unrud 2020-01-15 11:20:48 +01:00
parent 6697a6c8c4
commit c99a1f53df
5 changed files with 13 additions and 12 deletions
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10
radicale/storage/multifilesystem/sync.py
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@ -19,7 +19,7 @@
import itertools
import os
import pickle
from hashlib import md5
from hashlib import sha256
from radicale.log import logger
@ -27,10 +27,10 @@ from radicale.log import logger
class CollectionSyncMixin:
def sync(self, old_token=None):
# The sync token has the form http://radicale.org/ns/sync/TOKEN_NAME
# where TOKEN_NAME is the md5 hash of all history etags of present and
# past items of the collection.
# where TOKEN_NAME is the sha256 hash of all history etags of present
# and past items of the collection.
def check_token_name(token_name):
if len(token_name) != 32:
if len(token_name) != 64:
return False
for c in token_name:
if c not in "0123456789abcdef":
@ -47,7 +47,7 @@ class CollectionSyncMixin:
raise ValueError("Malformed token: %r" % old_token)
# Get the current state and sync-token of the collection.
state = {}
token_name_hash = md5()
token_name_hash = sha256()
# Find the history of all existing and deleted items
for href, item in itertools.chain(
((item.href, item) for item in self.get_all()),