[OpenLayers-Users] proxy not working

george gpoul48 gpoul48 at hotmail.com
Mon Feb 23 03:26:58 EST 2009


Hallo everyone!!

I use this proxy.py file and i am trying to get information for a map feature clicking on it, but the computer returns this message:

"Some unexpected error occurred. Error text was:"  Can anyone help me? Where am i wrong? 

 

See my map at http://84.205.237.73/default/mytest.aspx
 
 
 
 
Proxy.py code
#!C:/Python26/python.exe -u
 
import urllib2
import cgi
import sys, os
# Designed to prevent Open Proxy type stuff.
allowedHosts = ['84.205.237.73:443', 'www.openlayers.org', 'openlayers.org', 
                'labs.metacarta.com', 'world.freemap.in', 
                'prototype.openmnnd.org', 'geo.openplans.org',
                'sigma.openplans.org',
                'www.openstreetmap.org']
method = os.environ["REQUEST_METHOD"]
if method == "POST":
    qs = os.environ["QUERY_STRING"]
    d = cgi.parse_qs(qs)
    if d.has_key("url"):
        url = d["url"][0]
    else:
        url = "http://www.openlayers.org"
else:
    fs = cgi.FieldStorage()
    url = fs.getvalue('url', "http://www.openlayers.org")
try:
    host = url.split("/")[2]
    if allowedHosts and not host in allowedHosts:
        print "Status: 502 Bad Gateway"
        print "Content-Type: text/plain"
        print
        print "This proxy does not allow you to access that location (%s)." % (host,)
        print
        print os.environ
  
    elif url.startswith("http://") or url.startswith("https://"):
    
        if method == "POST":
            length = int(os.environ["CONTENT_LENGTH"])
            headers = {"Content-Type": os.environ["CONTENT_TYPE"]}
            body = sys.stdin.read(length)
            r = urllib2.Request(url, body, headers)
            y = urllib2.urlopen(r)
        else:
            y = urllib2.urlopen(url)
        
        # print content type header
        i = y.info()
        if i.has_key("Content-Type"):
            print "Content-Type: %s" % (i["Content-Type"])
        else:
            print "Content-Type: text/plain"
        print
        
        print y.read()
        
        y.close()
    else:
        print "Content-Type: text/plain"
        print
        print "Illegal request."
except Exception, E:
    print "Status: 500 Unexpected Error"
    print "Content-Type: text/plain"
    print 
    print "Some unexpected error occurred. Error text was:", E

------------------------------------------------------------------
 
getfeatureinfo code
 
.
.
.
OpenLayers.ProxyHost = "/script/proxy.py?url=";
.
.
.
map.events.register('click', map, function (e) {
                    document.getElementById('nodelist').innerHTML = "Please wait...";
                    var params = {
                        REQUEST: "GetFeatureInfo",
                        EXCEPTIONS: "application/vnd.ogc.se_xml",
                        BBOX: map.getExtent().toBBOX(),
                        X: e.xy.x,
                        Y: e.xy.y,
                        INFO_FORMAT: 'text/html',
                        QUERY_LAYERS: map.layers[0].params.LAYERS,
                        FEATURE_COUNT: 50,
                        Layers: 'Tinos:dimoi',
                        Styles: '',
                        Srs: 'EPSG:900913',
                        WIDTH: map.size.w,
                        HEIGHT: map.size.h,
                        format: format};
                    OpenLayers.loadURL("http://84.205.237.73:443/geoserver/wms", params, this, setHTML, setHTML);
                    OpenLayers.Event.stop(e);
                });
            
            
            // sets the HTML provided into the nodelist element
            function setHTML(response){
                document.getElementById('nodelist').innerHTML = response.responseText;
            };


_________________________________________________________________
Εξασφαλίστε το ολοκαίνουριο Messenger 2009 τώρα!
http://download.live.com/messenger
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.osgeo.org/pipermail/openlayers-users/attachments/20090223/49e6cc98/attachment.html


More information about the Users mailing list