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#!/usr/bin/env python
import argparse
import code
import sys
import threading
import time
import ssl
import gzip
import zlib
import six
from six.moves.urllib.parse import urlparse
import websocket
try:
import readline
except ImportError:
pass
def get_encoding():
encoding = getattr(sys.stdin, "encoding", "")
if not encoding:
return "utf-8"
else:
return encoding.lower()
OPCODE_DATA = (websocket.ABNF.OPCODE_TEXT, websocket.ABNF.OPCODE_BINARY)
ENCODING = get_encoding()
class VAction(argparse.Action):
def __call__(self, parser, args, values, option_string=None):
if values is None:
values = "1"
try:
values = int(values)
except ValueError:
values = values.count("v") + 1
setattr(args, self.dest, values)
def parse_args():
parser = argparse.ArgumentParser(description="WebSocket Simple Dump Tool")
parser.add_argument("url", metavar="ws_url",
help="websocket url. ex. ws://echo.websocket.org/")
parser.add_argument("-p", "--proxy",
help="proxy url. ex. http://127.0.0.1:8080")
parser.add_argument("-v", "--verbose", default=0, nargs='?', action=VAction,
dest="verbose",
help="set verbose mode. If set to 1, show opcode. "
"If set to 2, enable to trace websocket module")
parser.add_argument("-n", "--nocert", action='store_true',
help="Ignore invalid SSL cert")
parser.add_argument("-r", "--raw", action="store_true",
help="raw output")
parser.add_argument("-s", "--subprotocols", nargs='*',
help="Set subprotocols")
parser.add_argument("-o", "--origin",
help="Set origin")
parser.add_argument("--eof-wait", default=0, type=int,
help="wait time(second) after 'EOF' received.")
parser.add_argument("-t", "--text",
help="Send initial text")
parser.add_argument("--timings", action="store_true",
help="Print timings in seconds")
parser.add_argument("--headers",
help="Set custom headers. Use ',' as separator")
return parser.parse_args()
class RawInput:
def raw_input(self, prompt):
if six.PY3:
line = input(prompt)
else:
line = raw_input(prompt)
if ENCODING and ENCODING != "utf-8" and not isinstance(line, six.text_type):
line = line.decode(ENCODING).encode("utf-8")
elif isinstance(line, six.text_type):
line = line.encode("utf-8")
return line
class InteractiveConsole(RawInput, code.InteractiveConsole):
def write(self, data):
sys.stdout.write("\033[2K\033[E")
# sys.stdout.write("\n")
sys.stdout.write("\033[34m< " + data + "\033[39m")
sys.stdout.write("\n> ")
sys.stdout.flush()
def read(self):
return self.raw_input("> ")
class NonInteractive(RawInput):
def write(self, data):
sys.stdout.write(data)
sys.stdout.write("\n")
sys.stdout.flush()
def read(self):
return self.raw_input("")
def main():
start_time = time.time()
args = parse_args()
if args.verbose > 1:
websocket.enableTrace(True)
options = {}
if args.proxy:
p = urlparse(args.proxy)
options["http_proxy_host"] = p.hostname
options["http_proxy_port"] = p.port
if args.origin:
options["origin"] = args.origin
if args.subprotocols:
options["subprotocols"] = args.subprotocols
opts = {}
if args.nocert:
opts = {"cert_reqs": ssl.CERT_NONE, "check_hostname": False}
if args.headers:
options['header'] = list(map(str.strip, args.headers.split(',')))
ws = websocket.create_connection(args.url, sslopt=opts, **options)
if args.raw:
console = NonInteractive()
else:
console = InteractiveConsole()
print("Press Ctrl+C to quit")
def recv():
try:
frame = ws.recv_frame()
except websocket.WebSocketException:
return websocket.ABNF.OPCODE_CLOSE, None
if not frame:
raise websocket.WebSocketException("Not a valid frame %s" % frame)
elif frame.opcode in OPCODE_DATA:
return frame.opcode, frame.data
elif frame.opcode == websocket.ABNF.OPCODE_CLOSE:
ws.send_close()
return frame.opcode, None
elif frame.opcode == websocket.ABNF.OPCODE_PING:
ws.pong(frame.data)
return frame.opcode, frame.data
return frame.opcode, frame.data
def recv_ws():
while True:
opcode, data = recv()
msg = None
if six.PY3 and opcode == websocket.ABNF.OPCODE_TEXT and isinstance(data, bytes):
data = str(data, "utf-8")
if isinstance(data, bytes) and len(data)>2 and data[:2] == b'\037\213': # gzip magick
try:
data = "[gzip] " + str(gzip.decompress(data), "utf-8")
except:
pass
elif isinstance(data, bytes):
try:
data = "[zlib] " + str(zlib.decompress(data, -zlib.MAX_WBITS), "utf-8")
except:
pass
if isinstance(data, bytes):
data = repr(data)
if args.verbose:
msg = "%s: %s" % (websocket.ABNF.OPCODE_MAP.get(opcode), data)
else:
msg = data
if msg is not None:
if args.timings:
console.write(str(time.time() - start_time) + ": " + msg)
else:
console.write(msg)
if opcode == websocket.ABNF.OPCODE_CLOSE:
break
thread = threading.Thread(target=recv_ws)
thread.daemon = True
thread.start()
if args.text:
ws.send(args.text)
while True:
try:
message = console.read()
ws.send(message)
except KeyboardInterrupt:
return
except EOFError:
time.sleep(args.eof_wait)
return
if __name__ == "__main__":
try:
main()
except Exception as e:
print(e)
|
