arcgis_proxy_proxy.py

#!/bin/env python
# yo dawg I heard you needed a proxy for your proxy
# this is a very slow proof of concept

import socketserver
import http.server
import urllib.request

#whatever localhost port we want to listen on
g_port = 9999
#where to redirect requests to
g_redirect_url = "http://example.com/proxy/proxy.ashx"
#redirect referer
g_referer_url = "http://example.com/whatever/"

class MyProxy(http.server.SimpleHTTPRequestHandler):
    def do_GET(self):
        # self.path will be the junk after our server/port used in the URL, including the leading slash
        # get rid of leading slash
        url=self.path[1:]
        # add the arcgis proxy
        url = g_redirect_url + "?" + url
        self.headers["Referer"] = g_referer_url
        self.path = url
        
        print("")
        print("URL:", url)
        print(self.headers)
        
        self.send_response(200)
        self.end_headers()
        
        req = urllib.request.Request(url, headers=self.headers)
        
        print("  Getting...")
        self.copyfile(urllib.request.urlopen(req), self.wfile)
        print("  done!")
        
    do_HEAD = do_GET
    do_POST = do_GET
    do_PUT = do_GET
    do_DELETE = do_GET
    do_OPTIONS = do_GET


# localhost on g_port defined above
httpd = socketserver.ThreadingTCPServer(('', g_port), MyProxy)
print("Serving on http://localhost:{}".format(g_port))
httpd.serve_forever()