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Support WebSockets 76 (hixie-76, hybi-00).
Looks like disabling web-socket-js debug messages by default that we get a minor speedup. Python proxy should support both 75 and 76 (00) modes. Also, update ws test to more reliably hit the WebSockets ordering/drop issue.
This commit is contained in:
Joel Martin
parent
7dfa20b8fd
commit
486cd527f2
@ -2,8 +2,6 @@ Short Term:
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- Test on IE 9 preview 3.
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- Support WebSockets version 76 in proxy (Chrome 6 and Safari 5).
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- Support Opera 10.60.
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- Possibly support IE <= 8.0 using excanvas:
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@ -36,3 +36,9 @@ WebSocket gets converted to UTF-8 and vice-versa. So, one additional
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(and necessary) function of the proxy is base64 encoding/decoding what
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is sent to/from the browser. Another option that I want to explore is
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UTF-8 encoding in the proxy.
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Building web-socket-js emulator:
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cd include/web-socket-js/flash-src
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mxmlc -static-link-runtime-shared-libraries WebSocketMain.as
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Binary file not shown.
@ -1,6 +1,18 @@
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<html>
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<head><title>WebSockets Test</title></head>
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<head>
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<title>WebSockets Test</title>
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<script src="include/mootools.js"></script>
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<script src="include/base64.js"></script>
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<script src="include/util.js"></script>
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<!-- Uncomment to activate firebug lite -->
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<!--
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<script type='text/javascript'
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src='http://getfirebug.com/releases/lite/1.2/firebug-lite-compressed.js'></script>
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-->
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</head>
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<body>
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@ -31,16 +43,6 @@
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</body>
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<!-- Uncomment to activate firebug lite -->
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<!--
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<script type='text/javascript'
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src='http://getfirebug.com/releases/lite/1.2/firebug-lite-compressed.js'></script>
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-->
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<script src="include/mootools.js"></script>
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<script src="include/base64.js"></script>
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<script src="include/util.js"></script>
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<script>
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function error(str) {
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@ -226,7 +228,10 @@
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/* If no builtin websockets then load web_socket.js */
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if (! window.WebSocket) {
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if (window.WebSocket) {
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VNC_native_ws = true;
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} else {
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VNC_native_ws = false;
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console.log("Loading web-socket-js flash bridge");
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var extra = "<script src='include/web-socket-js/swfobject.js'><\/script>";
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extra += "<script src='include/web-socket-js/FABridge.js'><\/script>";
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@ -236,7 +241,11 @@
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window.onload = function() {
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console.log("onload");
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WebSocket.__swfLocation = "include/web-socket-js/WebSocketMain.swf";
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if (!VNC_native_ws) {
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console.log("initializing web-socket-js flash bridge");
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WebSocket.__swfLocation = "include/web-socket-js/WebSocketMain.swf";
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WebSocket.__initialize();
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}
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var url = document.location.href;
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$('host').value = (url.match(/host=([^&#]*)/) || ['',''])[1];
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$('port').value = (url.match(/port=([^&#]*)/) || ['',''])[1];
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@ -15,6 +15,7 @@ sys.path.insert(0,os.path.dirname(__file__) + "/../utils/")
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from websocket import *
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buffer_size = 65536
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max_packet_size = 10000
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recv_cnt = send_cnt = 0
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@ -76,8 +77,8 @@ def check(buf):
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def generate():
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global send_cnt, rand_array
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length = random.randint(10, 100000)
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numlist = rand_array[100000-length:]
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length = random.randint(10, max_packet_size)
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numlist = rand_array[max_packet_size-length:]
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# Error in length
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#numlist.append(5)
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chksum = sum(numlist)
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@ -156,7 +157,7 @@ if __name__ == '__main__':
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print "Prepopulating random array"
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rand_array = []
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for i in range(0, 100000):
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for i in range(0, max_packet_size):
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rand_array.append(random.randint(0, 9))
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settings['listen_port'] = listen_port
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@ -9,9 +9,10 @@ as taken from http://docs.python.org/dev/library/ssl.html#certificates
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'''
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import sys, socket, ssl, traceback
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import sys, socket, ssl, struct, traceback
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import os, resource, errno, signal # daemonizing
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from base64 import b64encode, b64decode
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from hashlib import md5
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settings = {
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'listen_host' : '',
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@ -30,11 +31,11 @@ send_seq = 0
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server_handshake = """HTTP/1.1 101 Web Socket Protocol Handshake\r
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Upgrade: WebSocket\r
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Connection: Upgrade\r
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WebSocket-Origin: %s\r
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WebSocket-Location: %s://%s%s\r
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WebSocket-Protocol: sample\r
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%sWebSocket-Origin: %s\r
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%sWebSocket-Location: %s://%s%s\r
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%sWebSocket-Protocol: sample\r
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\r
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"""
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%s"""
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policy_response = """<cross-domain-policy><allow-access-from domain="*" to-ports="*" /></cross-domain-policy>\n"""
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@ -104,13 +105,11 @@ def do_handshake(sock):
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scheme = "ws"
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print " using plain (not SSL) socket"
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handshake = retsock.recv(4096)
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req_lines = handshake.split("\r\n")
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_, path, _ = req_lines[0].split(" ")
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_, origin = req_lines[4].split(" ")
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_, host = req_lines[3].split(" ")
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print "handshake: " + repr(handshake)
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h = parse_handshake(handshake)
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# Parse client settings from the GET path
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cvars = path.partition('?')[2].partition('#')[0].split('&')
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cvars = h['path'].partition('?')[2].partition('#')[0].split('&')
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for cvar in [c for c in cvars if c]:
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name, _, val = cvar.partition('=')
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if name not in ['b64encode', 'seq_num']: continue
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@ -118,9 +117,56 @@ def do_handshake(sock):
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client_settings[name] = value
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print " %s=%s" % (name, value)
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retsock.send(server_handshake % (origin, scheme, host, path))
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if h.get('key3'):
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trailer = gen_md5(h)
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pre = "Sec-"
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else:
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trailer = ""
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pre = ""
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response = server_handshake % (pre, h['Origin'], pre, scheme,
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h['Host'], h['path'], pre, trailer)
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print "sending response:", repr(response)
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retsock.send(response)
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return retsock
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def parse_handshake(handshake):
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ret = {}
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req_lines = handshake.split("\r\n")
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if not req_lines[0].startswith("GET "):
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raise "Invalid handshake: no GET request line"
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ret['path'] = req_lines[0].split(" ")[1]
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for line in req_lines[1:]:
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if line == "": break
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var, delim, val = line.partition(": ")
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ret[var] = val
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if req_lines[-2] == "":
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ret['key3'] = req_lines[-1]
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return ret
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def gen_md5(keys):
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key1 = keys['Sec-WebSocket-Key1']
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key2 = keys['Sec-WebSocket-Key2']
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key3 = keys['key3']
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spaces1 = key1.count(" ")
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spaces2 = key2.count(" ")
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num1 = int("".join([c for c in key1 if c.isdigit()])) / spaces1
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num2 = int("".join([c for c in key2 if c.isdigit()])) / spaces2
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packed = struct.pack('>II8s', num1, num2, key3)
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digest = md5(packed).digest()
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print "num1:", num1
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print "num2:", num2
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print "key3:", repr(key3)
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print "packed:", packed
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print "digest:", repr(digest)
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return digest
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def daemonize():
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os.umask(0)
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os.chdir('/')
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