[OpenLayers-Users] proxy not working

[Ivan Grcic]

Hi,

first check if the normal request is working, without proxy. What does
firebug say if its not working?

On Mon, Feb 23, 2009 at 9:26 AM, george gpoul48 <gpoul48 at hotmail.com> wrote:
> 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;
>             };
>
>
> ________________________________
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> εδώ!
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>



-- 
Ivan Grcic