[GeoNode-users] Error 405 not permitted

David Alda Fernandez de Lezea dalda at hazi.eus
Thu Feb 18 02:16:40 PST 2016


For me, the main problem it's been the 900913 vs 3857 differences (although they're supposed to be the same).

In theory, somebody correct me if I'm wrong, the code 900913 is not an official EPSG code and there are some minor differences that, in my case, were crucial. So in my opinion it would be more important to begin using the official code (EPSG:3857) instead of the world-wide used 900913 code. 

Furthermore, in my research I've been able to confirm that WKT representation of the 900913 code is different in Geoserver and in http://spatialreference.org/ 

This the WKT representation of GeoServer's ESPG:900913

PROJCS["WGS84 / Google Mercator",
  GEOGCS["WGS 84", 
    DATUM["World Geodetic System 1984", 
      SPHEROID["WGS 84", 6378137.0, 298.257223563, AUTHORITY["EPSG","7030"]], 
      AUTHORITY["EPSG","6326"]], 
    PRIMEM["Greenwich", 0.0, AUTHORITY["EPSG","8901"]], 
    UNIT["degree", 0.017453292519943295], 
    AXIS["Longitude", EAST], 
    AXIS["Latitude", NORTH], 
    AUTHORITY["EPSG","4326"]],
  PROJECTION["Mercator_1SP"],
  PARAMETER["semi_minor", 6378137.0],
  PARAMETER["latitude_of_origin", 0.0],
  PARAMETER["central_meridian", 0.0],
  PARAMETER["scale_factor", 1.0],
  PARAMETER["false_easting", 0.0],
  PARAMETER["false_northing", 0.0],
  UNIT["m", 1.0],
  AXIS["x", EAST],
  AXIS["y", NORTH],
  AUTHORITY["EPSG","900913"]]

And this is the one in spatial reference (http://spatialreference.org/ref/sr-org/6627/html/  )

PROJCS["Google Mercator",
    GEOGCS["WGS 84",
        DATUM["World Geodetic System 1984",
            SPHEROID["WGS 84",6378137.0,298.257223563,
                AUTHORITY["EPSG","7030"]],
            AUTHORITY["EPSG","6326"]],
        PRIMEM["Greenwich",0.0,
            AUTHORITY["EPSG","8901"]],
        UNIT["degree",0.017453292519943295],
        AXIS["Geodetic latitude",NORTH],
        AXIS["Geodetic longitude",EAST],
        AUTHORITY["EPSG","4326"]],
    PROJECTION["Mercator_1SP"],
    PARAMETER["semi_minor",6378137.0],
    PARAMETER["latitude_of_origin",0.0],
    PARAMETER["central_meridian",0.0],
    PARAMETER["scale_factor",1.0],
    PARAMETER["false_easting",0.0],
    PARAMETER["false_northing",0.0],
    UNIT["m",1.0],
    AXIS["Easting",EAST],
    AXIS["Northing",NORTH],
    AUTHORITY["EPSG","900913"]]

As you can see there're minor differences in the AXIS definitions.

During my tests, before concluding all I mention in my previous emails, I confirmed that if I used the WKT definition provided by http://spatialreference.org/ I got the images taken from the cascaded WMS as they were, i. e., they were Ok, labels correct, but if I used the WKT definition set by default I got the labels deformed. You can see the images attached.

Thanks,

Regards,

Agur bero bat,



David Alda Fernández de Lezea
Área de Sistemas de Información Geográfica, Planificación Territorial y Forestal Informazio Geografikoen Sistemak, Lurralde eta Baso Antolaketaren Arloa.
dalda at hazi.eus | www.hazi.eus
T 945 003 240 – M 627 923 170 – F 945 003 290 
Hazi | Granja Modelo de Arkaute s/n | 01192 Arkaute – Araba
 
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De: Simone Dalmasso [mailto:simone.dalmasso at gmail.com] 
Enviado el: jueves, 18 de febrero de 2016 10:11
Para: Alessio Fabiani
CC: David Alda Fernandez de Lezea; geonode-users at lists.osgeo.org
Asunto: Re: [GeoNode-users] Error 405 not permitted

Thanks David,

if it could be of interest, here is the PR that added the 4326 support https://github.com/GeoNode/geonode/pull/2292

Ciao

2016-02-18 10:07 GMT+01:00 Alessio Fabiani <alessio.fabiani at geo-solutions.it>:
Nice,
good to know that you debugged the issue, and thanks for your analysis and feedbacks.

It would be nice if you could open an issue on GitHub about this problem and if you like propose the patch to fix it.

Eventually I'll try to find some time in the next days to refine the patch and envisage a test case to attach to the PR.



Best Regards,
Alessio Fabiani.

==
GeoServer Professional Services from the experts!
Visit http://goo.gl/it488V for more information.
==

Ing. Alessio Fabiani
@alfa7691
Founder/Technical Lead

GeoSolutions S.A.S.
Via di Montramito 3/A
55054  Massarosa (LU)
Italy
phone: +39 0584 962313
fax:     +39 0584 1660272
mob:   +39 333 8128928

http://www.geo-solutions.it
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-------------------------------------------------------

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On Thu, Feb 18, 2016 at 10:01 AM, David Alda Fernandez de Lezea <dalda at hazi.eus> wrote:
Hi,

> GeoNode supports any SRS because geoserver does. The 900913 and 4326 are the two supported by the mapping client for visualisation purpose. Originally was supported only the 900913 and recently > the 4326 has been added, but this doesn't impact the way the data are stored but only how they are requested to geoserver.

I know, I know, but what I meant is that in http://192.168.1.190/admin/layers/layer/568/  (DJANGO admin page --> Layers) in some way some information about the SRS's is stored (900913 and 4326) See the image attached. No problem with that. My tests confirmed that even though my global SRS was in EPSG:3857, in the geoexplorer view (layer_geoext_map.html) I was getting the information about the extent of the layer in EPSG:4326 so I started to change things in this file. But it wasn't the right place.

In the end I came to realize that the file to edit was geonode/layers/views.py in which information about the layers is retrieved to build the "layer_detail.html" web page. So inside the function

        def layer_detail(request, layername, template='layers/layer_detail.html'):

        in Line 227 I added

            config["srs"] = 'EPSG:900913'
            config["bbox"] = llbbox_to_mercator([float(coord) for coord in bbox])

My reasoning was that as during the configuration of the GXPMAP object the SRS was the 'DEFAULT_MAP_CRS', which I set to 3857, but the bbox of the layer was in Geographic coordinates so there was a coordinate difference that caused that the layer was positioned far away from where it was supposed to be, so I forced the SRS (although it is not stored like that) to be 900913.

        config["srs"] = getattr(settings, 'DEFAULT_MAP_CRS', 'EPSG:900913')
        config["bbox"] = bbox if config["srs"] != 'EPSG:900913' \
                else llbbox_to_mercator([float(coord) for coord in bbox])

It's a bit messy but I've finally made it work (for the moment). :-D

Alessio, I'll take a note about the advancing logging you proposed for future problems.

Maybe this could help to someone else.

Thanks both of you.

Regards,


Agur bero bat,



David Alda Fernández de Lezea
Área de Sistemas de Información Geográfica, Planificación Territorial y Forestal Informazio Geografikoen Sistemak, Lurralde eta Baso Antolaketaren Arloa.
dalda at hazi.eus | www.hazi.eus
T 945 003 240 – M 627 923 170 – F 945 003 290
Hazi | Granja Modelo de Arkaute s/n | 01192 Arkaute – Araba
 
*********************  LEGE OHARRA   *******************   AVISOLEGAL   *******************   DISCLAIMER   *****************************
Mezu hau pertsonala eta isilpekoa da eta baimenik gabeko erabilera debekatua dago legalki. Jasotzailea ez bazara ezabatu mezua, bidali eta kontserbatu gabe.
Este mensaje es personal y confidencial y su uso no autorizado está prohibido legalmente. Si usted no es el destinatario, proceda a borrarlo, sin reenviarlo ni conservarlo.
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De: Simone Dalmasso [mailto:simone.dalmasso at gmail.com]
Enviado el: miércoles, 17 de febrero de 2016 16:23
Para: David Alda Fernandez de Lezea
CC: Alessio Fabiani; geonode-users at lists.osgeo.org
Asunto: Re: [GeoNode-users] Error 405 not permitted

Hi David, 
just a clarification on the supported SRS. GeoNode supports any SRS because geoserver does. The 900913 and 4326 are the two supported by the mapping client for visualisation purpose. Originally was supported only the 900913 and recently the 4326 has been added, but this doesn't impact the way the data are stored but only how they are requested to geoserver.

2016-02-17 12:12 GMT+01:00 David Alda Fernandez de Lezea <dalda at hazi.eus>:
Hi,

Thanks for your response Alessio.

I think it has nothing to do with what I mentioned previously. I’ve checked the contents of each tile of the preview image and I’m getting some coords really away from our extent although the SRS is OK. My mistake.

-76.43702827394,0,0,76.43702827394

I've added to the javascript code a coordinate transformation. Now it zooms to where it should, but it doesn't load the layer.

Would this probably be related to the fact that GeoNode supposes that everything that comes with an SRS different from EPSG:900913 it turns to EPSG:4326?

Because in the Django admin web, I've seen in the layers properties that there's a field SRS (filled with ESG:4326) and other fields with the corresponding bbox.

Is there a way to change this programatically?

In which python is this set?

Thanks and sorry for the mistake.

Regards,

Agur bero bat,



David Alda Fernández de Lezea
Área de Sistemas de Información Geográfica, Planificación Territorial y Forestal Informazio Geografikoen Sistemak, Lurralde eta Baso Antolaketaren Arloa.
dalda at hazi.eus | www.hazi.eus
T 945 003 240 – M 627 923 170 – F 945 003 290
Hazi | Granja Modelo de Arkaute s/n | 01192 Arkaute – Araba
 
*********************  LEGE OHARRA   *******************   AVISOLEGAL   *******************   DISCLAIMER   *****************************
Mezu hau pertsonala eta isilpekoa da eta baimenik gabeko erabilera debekatua dago legalki. Jasotzailea ez bazara ezabatu mezua, bidali eta kontserbatu gabe.
Este mensaje es personal y confidencial y su uso no autorizado está prohibido legalmente. Si usted no es el destinatario, proceda a borrarlo, sin reenviarlo ni conservarlo.
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De: alessio.fabiani at gmail.com [mailto:alessio.fabiani at gmail.com] En nombre de Alessio Fabiani
Enviado el: miércoles, 17 de febrero de 2016 10:05
Para: David Alda Fernandez de Lezea
CC: geonode-users at lists.osgeo.org
Asunto: Re: [GeoNode-users] Error 405 not permitted

Mmm,
I'm not fully sure this method is valid

 url:"/gs/" + workspace + layer.params.LAYERS

I guess /gs/ is a GeoNode Proxy to GeoServer, used by GeoServer itself to get the authorization rules from GeoNode.

I'm not fully sure the workspace is supported, but I may be wrong.




Best Regards,
Alessio Fabiani.

==
GeoServer Professional Services from the experts!
Visit http://goo.gl/it488V for more information.
==

Ing. Alessio Fabiani
@alfa7691
Founder/Technical Lead

GeoSolutions S.A.S.
Via di Montramito 3/A
55054  Massarosa (LU)
Italy
phone: +39 0584 962313
fax:     +39 0584 1660272
mob:   +39 333 8128928

http://www.geo-solutions.it
http://twitter.com/geosolutions_it

-------------------------------------------------------

AVVERTENZE AI SENSI DEL D.Lgs. 196/2003
Le informazioni contenute in questo messaggio di posta elettronica e/o nel/i file/s allegato/i sono da considerarsi strettamente riservate. Il loro utilizzo è consentito esclusivamente al destinatario del messaggio, per le finalità indicate nel messaggio stesso. Qualora riceviate questo messaggio senza esserne il destinatario, Vi preghiamo cortesemente di darcene notizia via e-mail e di procedere alla distruzione del messaggio stesso, cancellandolo dal Vostro sistema. Conservare il messaggio stesso, divulgarlo anche in parte, distribuirlo ad altri soggetti, copiarlo, od utilizzarlo per finalità diverse, costituisce comportamento contrario ai principi dettati dal D.Lgs. 196/2003.
 
The information in this message and/or attachments, is intended solely for the attention and use of the named addressee(s) and may be confidential or proprietary in nature or covered by the provisions of privacy act (Legislative Decree June, 30 2003, no.196 - Italy's New Data Protection Code).Any use not in accord with its purpose, any disclosure, reproduction, copying, distribution, or either dissemination, either whole or partial, is strictly forbidden except previous formal approval of the named addressee(s). If you are not the intended recipient, please contact immediately the sender by telephone, fax or e-mail and delete the information in this message that has been received in error. The sender does not give any warranty or accept liability as the content, accuracy or completeness of sent messages and accepts no responsibility  for changes made after they were sent or for other risks which arise as a result of e-mail transmission, viruses, etc.
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On Tue, Feb 16, 2016 at 2:11 PM, David Alda Fernandez de Lezea <dalda at hazi.eus> wrote:
Yes, I guess so, I haven't changed anything related to GeoNode and Geoserver configuration. Everything is in the same machine.
 
The changes I made in the code are (in red):
 
/usr/local/lib/python2.7/dist-packages/geonode/settings.py
 
LOCAL_GEOSERVER = {
        "source": {
            "ptype": "gxp_wmscsource",
            "url": OGC_SERVER['default']['PUBLIC_LOCATION'] + "geonode/wms",
            "restUrl": "/gs/rest"
        }
    }
 
 
/var/www/geonode/static/geonode/js/extjs/GeoNode-mixin.js
 
layer.url.indexOf(app.localGeoServerBaseUrl.replace(app.urlPortRegEx, "$1/")) === 0)) {
               
                    var workspace="geonode:";                   
                    if (layer.params.LAYERS.indexOf(":")!=-1){
                        workspace = "";
                            }
                Ext.Ajax.request({
                    /* TODO: use a template variable here if possible */
                    url:"/gs/" + workspace + layer.params.LAYERS + "/edit-check",
                    method:"POST",
                    success:function (response) {
                        var result = Ext.decode(response.responseText);
                        if (result.authorized === false) {
                            toggleButtons(false);
                        } else {
                            layer.displayOutsideMaxExtent = true;
                            toggleButtons(true);
                        }
                    },
                    failure:function () {
                        toggleButtons(false);
                    }
                });
            } else {
                toggleButtons(false);
            }
 
 
Thanks.
 
Regards.
 
Agur bero bat,
 
 
David Alda Fernández de Lezea
Área de Sistemas de Información Geográfica, Planificación Territorial y Forestal Informazio Geografikoen Sistemak, Lurralde eta Baso Antolaketaren Arloa.
dalda at hazi.eus | www.hazi.eus
T 945 003 240 – M 627 923 170 – F 945 003 290
Hazi | Granja Modelo de Arkaute s/n | 01192 Arkaute – Araba 
*********************  LEGE OHARRA   *******************   AVISOLEGAL   *******************   DISCLAIMER   *****************************
Mezu hau pertsonala eta isilpekoa da eta baimenik gabeko erabilera debekatua dago legalki. Jasotzailea ez bazara ezabatu mezua, bidali eta kontserbatu gabe.
Este mensaje es personal y confidencial y su uso no autorizado está prohibido legalmente. Si usted no es el destinatario, proceda a borrarlo, sin reenviarlo ni conservarlo.
This message is personal and confidential, unauthorised use is legally prohibited. If you are not the intended recipient, delete it without resending or backing it.
 
De: alessio.fabiani at gmail.com [mailto:alessio.fabiani at gmail.com] En nombre de Alessio Fabiani
Enviado el: martes, 16 de febrero de 2016 13:24
Para: David Alda Fernandez de Lezea
CC: geonode-users at lists.osgeo.org
Asunto: Re: [GeoNode-users] Error 405 not permitted
 
Are GeoServer and GeoNode under the same domain? (same hostname and same port)?
 
 
Best Regards,
Alessio Fabiani.
 
==
GeoServer Professional Services from the experts!
Visit http://goo.gl/it488V for more information.
==
 
Ing. Alessio Fabiani
@alfa7691
Founder/Technical Lead
 
GeoSolutions S.A.S.
Via di Montramito 3/A
55054  Massarosa (LU)
Italy
phone: +39 0584 962313
fax:     +39 0584 1660272
mob:   +39 333 8128928
 
http://www.geo-solutions.it
http://twitter.com/geosolutions_it
 
-------------------------------------------------------
 
AVVERTENZE AI SENSI DEL D.Lgs. 196/2003
Le informazioni contenute in questo messaggio di posta elettronica e/o nel/i file/s allegato/i sono da considerarsi strettamente riservate. Il loro utilizzo è consentito esclusivamente al destinatario del messaggio, per le finalità indicate nel messaggio stesso. Qualora riceviate questo messaggio senza esserne il destinatario, Vi preghiamo cortesemente di darcene notizia via e-mail e di procedere alla distruzione del messaggio stesso, cancellandolo dal Vostro sistema. Conservare il messaggio stesso, divulgarlo anche in parte, distribuirlo ad altri soggetti, copiarlo, od utilizzarlo per finalità diverse, costituisce comportamento contrario ai principi dettati dal D.Lgs. 196/2003.
 
The information in this message and/or attachments, is intended solely for the attention and use of the named addressee(s) and may be confidential or proprietary in nature or covered by the provisions of privacy act (Legislative Decree June, 30 2003, no.196 - Italy's New Data Protection Code).Any use not in accord with its purpose, any disclosure, reproduction, copying, distribution, or either dissemination, either whole or partial, is strictly forbidden except previous formal approval of the named addressee(s). If you are not the intended recipient, please contact immediately the sender by telephone, fax or e-mail and delete the information in this message that has been received in error. The sender does not give any warranty or accept liability as the content, accuracy or completeness of sent messages and accepts no responsibility  for changes made after they were sent or for other risks which arise as a result of e-mail transmission, viruses, etc.
---------------------------------------------------------------------
 
On Tue, Feb 16, 2016 at 1:02 PM, David Alda Fernandez de Lezea <dalda at hazi.eus> wrote:
Hi list,
 
I'm continuing with our GeoNode customization. One of our requirements was to show in the GeoExplorer Local GeoServer combo only the layers from "geonode" workspace. So far I've been able to modify everything and get it working, but I've found an issue while accessing layer details. I get an HTTP 405 error METHOD NOT ALLOWED while accessing http://192.168.1.190/gs/rest/styles
 
HTTP/1.1 405 METHOD NOT ALLOWED
Date: Tue, 16 Feb 2016 11:39:17 GMT
Server: Apache/2.4.7 (Ubuntu)
Vary: Accept-Language,Cookie
X-Frame-Options: SAMEORIGIN
Content-Language: es
Content-Length: 0
Keep-Alive: timeout=5, max=100
Connection: Keep-Alive
Content-Type: text/plain
 
And the layer is not displayed in the preview. Apache doesn't show any error.
 
Can anyone point me to the file(s) that I have to change?
 
Thanks in advance.
 
Regards,
 
Agur bero bat,
 
 
David Alda Fernández de Lezea
Área de Sistemas de Información Geográfica, Planificación Territorial y Forestal Informazio Geografikoen Sistemak, Lurralde eta Baso Antolaketaren Arloa.
dalda at hazi.eus | www.hazi.eus
T 945 003 240 - M 627 923 170 - F 945 003 290
Hazi | Granja Modelo de Arkaute s/n | 01192 Arkaute - Araba
 
*********************  LEGE OHARRA   *******************   AVISOLEGAL   *******************   DISCLAIMER   *****************************
Mezu hau pertsonala eta isilpekoa da eta baimenik gabeko erabilera debekatua dago legalki. Jasotzailea ez bazara ezabatu mezua, bidali eta kontserbatu gabe.
Este mensaje es personal y confidencial y su uso no autorizado está prohibido legalmente. Si usted no es el destinatario, proceda a borrarlo, sin reenviarlo ni conservarlo.
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