def __init__(self):
self._hidden = []
self._applets = []
self._read_db()
self.networker = NetWorker(QtCore.QCoreApplication.instance().worker)
def __init__(self):
self._hidden = []
self._applets = []
self._read_db()
self.networker = NetWorker(QtCore.QCoreApplication.instance().worker)
class AppletManager(object):
def __init__(self):
self._hidden = []
self._applets = []
self._read_db()
self.networker = NetWorker(QtCore.QCoreApplication.instance().worker)
def update(self):
self.networker.download_bg(self._db_url, self._updated)
def _updated(self, data):
if not isinstance(data, QtNetwork.QNetworkReply.NetworkError):
try:
data = json.loads(data.data())
data = self._verify(**data)
with open(DB_FILE, 'w') as db:
json.dump(data, db)
if data['location'] != self._db_url:
self._db_url = data['location']
self.update()
else:
self._read_db()
except:
pass # Ignore
def _verify(self, message, signature):
key = RSA.importKey(self._pub_key)
h = SHA256.new()
h.update(message)
verifier = PKCS1_PSS.new(key)
if verifier.verify(h, signature.decode('base64')):
return json.loads(message.decode('base64'))
raise ValueError("Invalid file signature!")
def _read_db(self):
try:
with open(DB_FILE, 'r') as db:
data = json.load(db)
except:
basedir = QtCore.QCoreApplication.instance().basedir
path = os.path.join(basedir, 'appletdb.json')
with open(path, 'r') as db:
data = json.load(db)
self._applets = []
for applet in data['applets']:
self._applets.append(Applet(**applet))
self._hidden = data['hidden']
self._db_url = data['location']
self._pub_key = data['pubkey']
def get_applets(self):
return self._applets
def get_applet(self, aid):
if aid in self._hidden:
return None
for applet in self._applets:
if aid.startswith(applet.aid):
return applet
return Applet(aid, m.unknown, m.unknown_applet)
class AppletManager(object):
def __init__(self):
self._hidden = []
self._applets = []
self._read_db()
self.networker = NetWorker(QtCore.QCoreApplication.instance().worker)
def update(self):
self.networker.download_bg(self._db_url, self._updated)
def _updated(self, data):
if not isinstance(data, QtNetwork.QNetworkReply.NetworkError):
try:
data = json.loads(data.data())
data = self._verify(**data)
with open(DB_FILE, 'w') as db:
json.dump(data, db)
if data['location'] != self._db_url:
self._db_url = data['location']
self.update()
else:
self._read_db()
except:
pass # Ignore
def _verify(self, message, signature):
key = RSA.importKey(self._pub_key)
h = SHA256.new()
h.update(message)
verifier = PKCS1_PSS.new(key)
if verifier.verify(h, signature.decode('base64')):
return json.loads(message.decode('base64'))
raise ValueError("Invalid file signature!")
def _read_db(self):
try:
with open(DB_FILE, 'r') as db:
data = json.load(db)
except:
basedir = QtCore.QCoreApplication.instance().basedir
path = os.path.join(basedir, 'appletdb.json')
with open(path, 'r') as db:
data = json.load(db)
self._applets = []
for applet in data['applets']:
self._applets.append(Applet(**applet))
self._hidden = data['hidden']
self._db_url = data['location']
self._pub_key = data['pubkey']
def get_applets(self):
return self._applets
def get_applet(self, aid):
if aid in self._hidden:
return None
for applet in self._applets:
if aid.startswith(applet.aid):
return applet
return Applet(aid, m.unknown, m.unknown_applet)
