Premature end of script headers in python script bluehost

Question

Premature end of script headers in python script bluehost

445 views Asked by Varun Iyer At 26 November 2024 at 16:45

I'm hosting a website off of Bluehost and I'm trying to execute a python script on a button click using AJAX. However every time I click the button the server responds with a 500 error to the python script. More specifically this is the error:

[Sun Nov 30 17:49:26 2014] [error] [client 174.61.70.33] Premature end of script headers: Steap.py, referer: http://steap.co/

This is the AJAX code:

$(document).ready(function(){
            $("#steambutton").click(function() {
                DisplayLoadingDiv();
                $.ajax({
                    type: "POST",
                    url: "http://steap.co/cgi-bin/Steap.py",
                    data: {steamid: "<?php echo $steamprofile['steamid']?>"},
                    success: function(response) {
                        $("#steamdiv").html(response);  
                        $("#phisherbutton").show()
                    },
                    error: function(response) {
                        $("#steamdiv").html("An error occured. Please try again.");
                    }
                });
            });
});

Basically the div is showing "An error occured. Please try again." after 0.01 secs of execution, and the console shows that the server responded with a 500 error when trying to load the python script resource.

Steap.py:

http://pastebin.com/F9THyt3u

Any ideas as to why this is happening?

Original Q&A

There are 1 answers

**Savir** · Answer 1 · 2014-12-01 02:16:28

I'm pretty sure that the issue is, that you're not properly forming an HTTP response in Steap.py. Particularly important is the HTTP/1.1 200 OK\n part (the Status Line)

I've set up in my computer a raw TCP socket implementation (using SocketServer) and it correctly renders a page in my web browser by doing the following:

    import datetime
    body=("<html><title>Hello</title>"
          "<body>"
          "<div id=\"div-name\">"
          "%s"
          "</br></br>"
          "</div>"
          "</body>"
          "</html>" % foo(bar))

    reply=("HTTP/1.1 200 OK\n"
           "Date: %s\n"
           "Content-Type: text/html\n"
           "Content-Length: %s\n"
           "Connection: close\n"
           "\n"
           "%s" 
           % (datetime.datetime.utcnow().isoformat(' '),
              len(body),
              body)
    )
    print reply

This looks nicely displayed in Chrome:

enter image description here

Needless to say, but this is my foo(bar) function:

def foo(bar):
    return "Test test"

All this said, I'd really, really study how to install a pre-made server (such as Django or Tornado) in your Bluehost "area" (or however you wanna call it). I lean towards Tornado (its usage is very basic, but it'll help a lot so you don't have to "manually" write headers and bodies by yourself)

TechQA.

Premature end of script headers in python script bluehost

There are 1 answers

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