ouczbs/anki-sync-server
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Check client version in SyncCollectionHandler.meta

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When the server sends an error response (4xx/5xx), the desktop
client displays "user friendly" error messages instead of
the actual response body.
This commit is contained in:
flan 2018-08-20 18:27:41 +02:00
parent 0b9f30adea
commit 6b9aaa0a6c
1 changed files with 34 additions and 37 deletions
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37
ankisyncd/sync_app.py
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@ -42,11 +42,20 @@ from anki.consts import REM_CARD, REM_NOTE
from ankisyncd.users import SimpleUserManager, SqliteUserManager
def old_client(cv):
class SyncCollectionHandler(anki.sync.Syncer):
operations = ['meta', 'applyChanges', 'start', 'applyGraves', 'chunk', 'applyChunk', 'sanityCheck2', 'finish']
def __init__(self, col):
# So that 'server' (the 3rd argument) can't get set
anki.sync.Syncer.__init__(self, col)
@staticmethod
def _old_client(cv):
if not cv:
return False
note = {"alpha": 0, "beta": 0}
note = {"alpha": 0, "beta": 0, "rc": 0}
client, version, platform = cv.split(',')
for name in note.keys():
@ -68,16 +77,12 @@ def old_client(cv):
else: # unknown client, assume current version
return False
def meta(self, v=None, cv=None):
if self._old_client(cv):
return Response(status=501) # client needs upgrade
if v > SYNC_VER:
return {"cont": False, "msg": "Your client is using unsupported sync protocol ({}, supported version: {})".format(v, SYNC_VER)}
class SyncCollectionHandler(anki.sync.Syncer):
operations = ['meta', 'applyChanges', 'start', 'applyGraves', 'chunk', 'applyChunk', 'sanityCheck2', 'finish']
def __init__(self, col):
# So that 'server' (the 3rd argument) can't get set
anki.sync.Syncer.__init__(self, col)
def meta(self):
# Make sure the media database is open!
if self.col.media.db is None:
self.col.media.connect()
@ -583,16 +588,8 @@ class SyncApp:
session.skey = req.POST['s']
if 'v' in data:
session.version = data['v']
del data['v']
if 'cv' in data:
session.client_version = data['cv']
del data['cv']
if session.version < SYNC_VER or old_client(session.client_version):
return Response(status=501) # client needs upgrade
if session.version > SYNC_VER:
return Response(status=500, body="Your client is using unsupported sync protocol ({}, supported version: {})".format(session.version, SYNC_VER))
self.session_manager.save(hkey, session)
session = self.session_manager.load(hkey, self.create_session)
@ -605,7 +602,7 @@ class SyncApp:
result = self._execute_handler_method_in_thread(url, data, session)
# If it's a complex data type, we convert it to JSON
if type(result) not in (str, bytes):
if type(result) not in (str, bytes, Response):
result = json.dumps(result)
if url in self.posthooks: