try_files for alias

[Edho P Arief]

2009/6/18 Igor Sysoev <is at rambler-co.ru>:
> On Wed, Jun 17, 2009 at 09:57:41AM +0700, Edho P Arief wrote:
>
>> How do I make this work?
>>
>> location ~ /~someapp(.*)$ { alias /home/someapp/root$1; try_files $uri
>> /~someapp/err404.htm; }
>>
>> The try_files never catch the $uri (nor $1) and returns 500 (redirection cycle)
>>
>> Am I 'forced' to use error_page in this case?
>>
>> This works:
>>
>> location ~ /~someapp(.*)$ { alias /home/someapp/root$1; error_page 404
>> /~someapp/err404.htm; }
>>
>> and without regex the error_page and try_files seem to be completely ignored:
>> neither
>>     location /~someapp/ { alias /home/someapp/root/; error_page 404
>> /~someapp/err404.htm; }
>> nor
>>     location /~someapp/ { alias /home/someapp/root/; try_files $uri
>> /~someapp/err404.htm; }
>> works.
>
> If request is "/~someapp/one", then this location
>
>    location /~someapp/ {
>        alias     /home/someapp/root/;
>        try_files $uri   /~someapp/err404.htm;
>    }
>
> will test /home/someapp/root/one existence.
>
> As to
>
>    location ~ /~someapp(.*)$ {
>        alias /home/someapp/root$1;
>        try_files $uri /~someapp/err404.htm;
>    }
>
> this "alias" with captures is special case.
> A "root" is always just prefix to URI and "try_files" tests "root$uri".
> An "alias" without captures replaces location part in URI with
> the "alias" value, and "try_files" tests "alias/modified_uri"
> An "alias" with captures replaces a whole URI with the "alias" value,
> and "try_files" tests "alias/$uri", and $uri is surpplus here.
> You need just to pass empty value to "try_files":
>
>    location ~ /~someapp(.*)$ {
>        alias /home/someapp/root$1;
>        try_files ""  /~someapp/err404.htm;
>    }
>
>

I just noticed it doesn't work properly (bug?)
                location ~ ^/\~([^/]+)(.*\.php)$ {
                        alias /home/$1/public_html$2;
                        try_files "" @404;
                        include php_params;
                }
                location ~ ^/\~([^/]+)(.*)$ {
                        alias /home/$1/public_html$2;
                        try_files "" @404;
                }


php_params:
fastcgi_pass 127.0.0.1:8000;
fastcgi_index index.php;
fastcgi_param SCRIPT_FILENAME $request_filename;
include fastcgi_params;

from phpinfo():

_SERVER["SCRIPT_NAME"]	^/\~([^/]+)(.*\.php)$
_SERVER["REQUEST_URI"]	/~edho/
_SERVER["DOCUMENT_URI"]	^/\~([^/]+)(.*\.php)$

...still in regex form?

as for static file, it always returned with mime type of
application/octet-stream ( http://pastebin.com/m7d2c8f6e )

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