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[websocket] Remove deprecated base64.encodestring

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Clean up _validate_header a little bit
This commit is contained in:
Odd Stråbø 2020-11-29 19:20:20 +01:00
parent b2aa57aafa
commit 9971940cac
1 changed files with 9 additions and 22 deletions
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31
jellyfin_kodi/jellyfin/websocket.py
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@ -45,7 +45,7 @@ import threading
import time import time
import logging import logging
from six import text_type, string_types, iteritems, int2byte, indexbytes from six import text_type, string_types, int2byte, indexbytes
from six.moves import range from six.moves import range
from six.moves.urllib.parse import urlparse from six.moves.urllib.parse import urlparse
@ -239,13 +239,7 @@ _MAX_CHAR_BYTE = (1 << 8) - 1
def _create_sec_websocket_key(): def _create_sec_websocket_key():
uid = uuid.uuid4() uid = uuid.uuid4()
return base64.encodestring(uid.bytes).strip() return base64.b64encode(uid.bytes).strip()
_HEADERS_TO_CHECK = {
"upgrade": "websocket",
"connection": "upgrade",
}
class ABNF(object): class ABNF(object):
@ -536,24 +530,17 @@ class WebSocket(object):
self.connected = True self.connected = True
def _validate_header(self, headers, key): def _validate_header(self, headers, key):
for k, v in iteritems(_HEADERS_TO_CHECK): if headers.get("connection", "").lower() != "upgrade" or headers.get("upgrade", "").lower() != "websocket":
r = headers.get(k, None) return False
if not r:
return False
r = r.lower()
if v != r:
return False
result = headers.get("sec-websocket-accept", None) result = headers.get("sec-websocket-accept")
if not result: if not result:
return False return False
result = result.lower()
# https://tools.ietf.org/html/rfc6455#page-6 # https://tools.ietf.org/html/rfc6455#page-6
magic_string = "258EAFA5-E914-47DA-95CA-C5AB0DC85B11".encode() magic_string = b"258EAFA5-E914-47DA-95CA-C5AB0DC85B11"
value = key + magic_string hashed = base64.b64encode(hashlib.sha1(key + magic_string).digest())
hashed = base64.encodestring(hashlib.sha1(value).digest()).strip().lower().decode() return hashed.decode() == result
return hashed == result
def _read_headers(self): def _read_headers(self):
status = None status = None
@ -575,7 +562,7 @@ class WebSocket(object):
kv = line.split(":", 1) kv = line.split(":", 1)
if len(kv) == 2: if len(kv) == 2:
key, value = kv key, value = kv
headers[key.lower()] = value.strip().lower() headers[key.lower()] = value.strip()
else: else:
raise WebSocketException("Invalid header") raise WebSocketException("Invalid header")