nginx proxy zope/webdav, can??t see files

[Igor Sysoev]

On Tue, Dec 09, 2008 at 09:20:55PM -0600, mictlan tecutli wrote:

> hi,
> i??m trying to use nginx to proxy to the zope webdav interface. i??m using davfs2 for webdav client. and it works well when i connect directly to the zope/webdav server. but when i proxy using nginx something strange occurs. i can not see the files using my webdav client. i can upload files if i connect directly to the folder where i have permissions to put them. but if i try to list files in the davfs mountpoint, nothing is shown. niether files nor folders. 
> 
> the proxy part of my virtualhost looks like this:
> 
>                             location /dav/ {
>                                 proxy_pass http://10.10.10.30:1980/plone/;
>                                 proxy_set_header Host $host;
>                                 proxy_set_header  X-Real-IP  $remote_addr;
>                                 proxy_set_header  X-Forwarded-For $proxy_add_x_forwarded_for;
>                                 proxy_redirect   off;
>                                 }
> 
> as i understand it nginx when in proxy mode passes data unchanged. so what would account for the difference between connecting directly and by way of nginx?
> 
> zope http logs of the interaction look like this:
> 10.10.10.20 - Anonymous [09/Dec/2008:21:03:12 -0500] "OPTIONS /plone/ HTTP/1.0" 200 346 "" "davfs2/1.3.3 neon/0.28.2"
> 10.10.10.20 - Anonymous [09/Dec/2008:21:03:15 -0500] "PROPFIND /plone/ HTTP/1.0" 401 11557 "" "davfs2/1.3.3 neon/0.28.2"
> 10.10.10.20 - radracer [09/Dec/2008:21:03:25 -0500] "PROPFIND /plone/ HTTP/1.0" 207 11784 "" "davfs2/1.3.3 neon/0.28.2"
> 10.10.10.20 - radracer [09/Dec/2008:21:05:47 -0500] "PROPFIND /plone/ HTTP/1.0" 207 11784 "" "davfs2/1.3.3 neon/0.28.2"
> 
> i??ve attached some davfs2 http debugging info in case thats helpful.
> 
> nginx version is 0.6.34. i??ve also tried with 0.5.35 and 0.4.13
> 
> thanks for any help, 
> kev

In log I see that OPTIONS's response has zero length, so you see nothing:

> Dec  9 21:01:36 zas mount.davfs: [hdr] Content-Length: 0

I have no idea why zope may return zero length OPTIONS's response.


-- 
Igor Sysoev
http://sysoev.ru/en/