1 files changed, 0 insertions, 90 deletions
diff --git a/netlib/websockets/utils.py b/netlib/websockets/utils.py
deleted file mode 100644
index 98043662..00000000
--- a/netlib/websockets/utils.py
+++ /dev/null
@@ -1,90 +0,0 @@
-"""
-Collection of WebSockets Protocol utility functions (RFC6455)
-Spec: https://tools.ietf.org/html/rfc6455
-"""
-
-
-import base64
-import hashlib
-import os
-
-from netlib import http
-from mitmproxy.utils import strutils
-
-MAGIC = b'258EAFA5-E914-47DA-95CA-C5AB0DC85B11'
-VERSION = "13"
-
-
-def client_handshake_headers(version=None, key=None, protocol=None, extensions=None):
-    """
-        Create the headers for a valid HTTP upgrade request. If Key is not
-        specified, it is generated, and can be found in sec-websocket-key in
-        the returned header set.
-
-        Returns an instance of http.Headers
-    """
-    if version is None:
-        version = VERSION
-    if key is None:
-        key = base64.b64encode(os.urandom(16)).decode('ascii')
-    h = http.Headers(
-        connection="upgrade",
-        upgrade="websocket",
-        sec_websocket_version=version,
-        sec_websocket_key=key,
-    )
-    if protocol is not None:
-        h['sec-websocket-protocol'] = protocol
-    if extensions is not None:
-        h['sec-websocket-extensions'] = extensions
-    return h
-
-
-def server_handshake_headers(client_key, protocol=None, extensions=None):
-    """
-      The server response is a valid HTTP 101 response.
-
-      Returns an instance of http.Headers
-    """
-    h = http.Headers(
-        connection="upgrade",
-        upgrade="websocket",
-        sec_websocket_accept=create_server_nonce(client_key),
-    )
-    if protocol is not None:
-        h['sec-websocket-protocol'] = protocol
-    if extensions is not None:
-        h['sec-websocket-extensions'] = extensions
-    return h
-
-
-def check_handshake(headers):
-    return (
-        "upgrade" in headers.get("connection", "").lower() and
-        headers.get("upgrade", "").lower() == "websocket" and
-        (headers.get("sec-websocket-key") is not None or headers.get("sec-websocket-accept") is not None)
-    )
-
-
-def create_server_nonce(client_nonce):
-    return base64.b64encode(hashlib.sha1(strutils.always_bytes(client_nonce) + MAGIC).digest())
-
-
-def check_client_version(headers):
-    return headers.get("sec-websocket-version", "") == VERSION
-
-
-def get_extensions(headers):
-    return headers.get("sec-websocket-extensions", None)
-
-
-def get_protocol(headers):
-    return headers.get("sec-websocket-protocol", None)
-
-
-def get_client_key(headers):
-    return headers.get("sec-websocket-key", None)
-
-
-def get_server_accept(headers):
-    return headers.get("sec-websocket-accept", None)