Python Web套接字在打开后立即关闭

Python Web套接字在打开后立即关闭,python,websocket,Python,Websocket,因此,我对Python中的websocket有一个问题。我正在尝试与一个使用WebSocket进行内容交流的网站进行交互。以下是他们网站上的javascript代码: var $j = jQuery.noConflict(); // Use $j to reference JQuery selectors instead of $ function sockify() { var ws = new WebSocket("ws://website:1234"); ws.onme

因此,我对Python中的websocket有一个问题。我正在尝试与一个使用WebSocket进行内容交流的网站进行交互。以下是他们网站上的javascript代码:

 var $j = jQuery.noConflict(); // Use $j to reference JQuery selectors instead of $
 function sockify() {
    var ws = new WebSocket("ws://website:1234");
    ws.onmessage = function (evt) {
        console.log(evt.data)
       $j('#output').html(evt.data);
    }
    ws.onopen = function () {
        ws.send(JSON.stringify($j('#srctext').val()));
    }
    ws.onerror = function () {
        alert("socket down");
    }
 }
因此,该站点工作正常,没有问题,但是当我尝试此python代码时,我得到一个错误,指出套接字在打开后立即关闭:

ws = create_connection("ws://website:1234/")
print "Sending 'Hello, World'..."
ws.send("Hello, World")
print "Sent"
print "Receiving..."
result = ws.recv()
print "Received '%s'" % result
ws.close()
这是从中提取的示例代码,如果我不将主机更改为我试图从中提取的网站,而是保持示例的主机与示例中的主机相同,那么它确实有效

以下是我收到的错误:

Traceback (most recent call last):
  File "irc.py", line 462, in <module>
    tmpmsg = getSocket()
  File "irc.py", line 64, in getTrump
    result = ws.recv()
  File "/Library/Python/2.7/site-packages/websocket/_core.py", line 293, in recv
    opcode, data = self.recv_data()
  File "/Library/Python/2.7/site-packages/websocket/_core.py", line 310, in recv_data
    opcode, frame = self.recv_data_frame(control_frame)
  File "/Library/Python/2.7/site-packages/websocket/_core.py", line 323, in recv_data_frame
    frame = self.recv_frame()
  File "/Library/Python/2.7/site-packages/websocket/_core.py", line 357, in recv_frame
    return self.frame_buffer.recv_frame()
  File "/Library/Python/2.7/site-packages/websocket/_abnf.py", line 336, in recv_frame
    self.recv_header()
  File "/Library/Python/2.7/site-packages/websocket/_abnf.py", line 286, in recv_header
    header = self.recv_strict(2)
  File "/Library/Python/2.7/site-packages/websocket/_abnf.py", line 371, in recv_strict
    bytes_ = self.recv(min(16384, shortage))
  File "/Library/Python/2.7/site-packages/websocket/_core.py", line 427, in _recv
    return recv(self.sock, bufsize)
  File "/Library/Python/2.7/site-packages/websocket/_socket.py", line 93, in recv
    "Connection is already closed.")
websocket._exceptions.WebSocketConnectionClosedException: Connection is already closed.
请注意,我实际上无法控制websocket,因此任何修复都需要由我来完成。我使用的是Python 2.7.10

我还注意到,如果我在使用网站时拦截Burp中的websocket请求,websocket初始连接请求就会不同。以下是从网站上获取的信息:

GET / HTTP/1.1
Host: website
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.12; rv:50.0) Gecko/20100101 Firefox/50.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
Sec-WebSocket-Version: 13
Origin: website
Sec-WebSocket-Extensions: permessage-deflate
Sec-WebSocket-Key: uyG2WBK51ZtPhy9RXLNTmg==
Connection: keep-alive, Upgrade
Pragma: no-cache
Cache-Control: no-cache
Upgrade: websocket

您肯定有错误(很可能您的套接字正在无声地爆炸…)

在配置中为套接字中的错误设置回调,并打印您得到的消息

示例:(摘自)

并定义方法

def on_error(ws, error):
    print(error)

对于任何有相同问题的人,我通过调整websocket模块并在get请求中设置自定义头来修复它,尝试强制它使用此头

GET/HTTP/1.1
主持人:网站
用户代理:Mozilla/5.0(Macintosh;英特尔Mac OS X 10.12;rv:50.0)Gecko/20100101 Firefox/50.0
接受:text/html、application/xhtml+xml、application/xml;q=0.9,*/*;q=0.8
接受语言:en-US,en;q=0.5
接受编码:gzip,deflate
Sec WebSocket版本:13
来源:网站
Sec WebSocket扩展:permessage deflate
Sec WebSocket键:维吾尔2WBK51ZTPHY9RXLNTMG==
连接:保持活动状态,升级
Pragma:没有缓存
缓存控制:没有缓存
升级:websocket

而不是这个

GET/HTTP/1.1
升级:websocket
连接:升级
主持人:网站
来源:网站
Sec WebSocket键:6jsV5DEWXPGTTTLKSEwz6g==

Sec WebSocket版本:13

这样做了,并将结果放在我的原始帖子底部。对于遇到这个问题的任何人,我都没有一个很好的解决方案。我只是使用selenium和phantomjs加载站点,输入字段,单击按钮,然后从那里读取响应。这么多的开销,但它为我的小宠物项目发挥了作用。看起来websocket不喜欢接收
Hello,World
@dan我已经很久没有发布了,但我记得硬编码标题,所以每次都会发布我不记得在哪里抱歉
 websocket.enableTrace(True)
 ws = websocket.WebSocketApp("ws://echo.websocket.org/",
                              on_message = on_message,
                              on_error = on_error,
                              on_close = on_close)
def on_error(ws, error):
    print(error)