[Users] Geoext2 and proxy.cgi

[Juliette Fabre]

Hello,

I "solved" the problem by using 2 different proxy.cgi files ... One is 
used for the WMSCapabilitesStore, and the other for WMSGetFeatureInfo.

Juliette


Le 09/07/2014 14:28, Juliette Fabre a écrit :
> Hello,
>
> I recently started using GeoExt2. With OpenLayers, I was using this 
> version of proxy.cgi : 
> http://trac.osgeo.org/openlayers/browser/trunk/openlayers/examples/proxy.cgi.
>
> With GeoExt2, I encountered problems to run a WMS GetCapabilities. I 
> solved it by modifying the proxy.cgi like in this post : 
> http://www.geoext.org/pipermail/users/2011-May/002287.html.
>
> But with this new version of proxy.cgi, the WMSGetFeatureInfo query 
> fails with the error 500 'Some unexpected error occurred. Error text 
> was: list index out of range'.
> Actually the queried URL is URL encoded :
>
> http://localhost/cgi-bin/proxy.cgi?url=http%3A%2F%2F162.38.140.226%3A8080%2Fgeoserver%2Fsf%2Fwms%3FSERVICE%3DWMS%26LAYERS%3Dsf%253Aborehole%26QUERY_LAYERS%3Dsf%253Aborehole%26STYLES%3D%26SERVICE%3DWMS%26VERSION%3D1.1.1%26REQUEST%3DGetFeatureInfo%26EXCEPTIONS%3Dapplication%252Fvnd.ogc.se_inimage%26BBOX%3D-5315418.716245%252C4750095.377026%252C5916543.966529%252C7166728.462954%26FEATURE_ 
> COUNT%3D10%26HEIGHT%3D247%26WIDTH%3D1148%26FORMAT%3Dimage%252Fpng%26INFO_FORMAT%3Dapplication%252Fvnd.ogc.gml%26SRS%3DEPSG%253A900913%26X%3D603%26Y%3D127, 
>
>
> .. while the same URL without encoding succeeds:
>
> |http://localhost/cgi-bin/proxy.cgi?url=http://162.38.140.226:8080/geoserver/sf/wms?SERVICE=WMS&LAYERS=sf%3Aborehole&QUERY_LAYERS=sf%3Aborehole||&STYLES=&SERVICE=WMS&VERSION=1.1.1&REQUEST=GetFeatureInfo&EXCEPTIONS=application%2Fvnd.ogc.se_inimage||&BBOX=-5315418.716245%2C4750095.377026%2C5916543.966529%2C7166728.462954&FEATURE_COUNT=10&HEIGHT=247||&WIDTH=1148&FORMAT=image%2Fpng&INFO_FORMAT=application%2Fvnd.ogc.gml&SRS=EPSG%3A900913&X=603&Y=127|
>
> If I go back to the original version of  proxy.cgi, the 
> WMSGetFeatureInfo query succeeds, and the WMS GetCapabilities fails.
>
> Here is the beginning of my proxy.cgi file, with lines that allow WMS 
> GetCapabilities query to work but prevent WMSGetFeatureInfo query from 
> working:
>
> /#!/usr/bin/env python//
> //
> //import urllib2//
> //import cgi//
> //import sys, os//
> //
> //# Designed to prevent Open Proxy type stuff.//
> //
> //allowedHosts = ['www.openlayers.org', 'openlayers.org', //
> //                'labs.metacarta.com', 'world.freemap.in', //
> //                'prototype.openmnnd.org', 'geo.openplans.org',//
> //                'sigma.openplans.org', 'demo.opengeo.org',//
> //                'www.openstreetmap.org', 'sample.azavea.com',//
> //                'v2.suite.opengeo.org', 'v-swe.uni-muenster.de:8080', //
> //                'vmap0.tiles.osgeo.org', 'www.openrouteservice.org', 
> '162.38.140.226:8080', 'services.sandre.eaufrance.fr']//
> //
> //method = os.environ["REQUEST_METHOD"]//
> //qs = os.environ['QUERY_STRING']////# Added to solve problem with 
> geoext and WMSgetCapabilities//
> //
> 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") //# Removed 
> to solve problem with geoext and WMSgetCapabilities//
> //url = qs[4:] //# Added to solve problem with geoext and 
> WMSgetCapabilities/
>
>
>
> Would you have any idea to solve this?
>
> Thanks,
>
> Juliette


-- 
Juliette Fabre
Ingénieur d'Etudes Systèmes d'Information Scientifiques
OSU OREME
Bât. 22, bureau 220
Université Montpellier 2
Place Eugène Bataillon - CC 060
34095 Montpellier cedex 05
Tél : 04 67 14 40 41

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