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Re: PHP handling where URI contains a path, index is in root

Moshe Katz
May 27, 2020 09:40AM
Your problem is that you are adding an extra question mark.

From the docs:

> $is_args
> “?” if a request line has arguments, or an empty string otherwise


Take the extra question mark out of your try_files line. It should look
like this:

try_files $uri $uri/ /index.php$is_args$args;


Moshe

On Wed, May 27, 2020 at 9:33 AM petecooper <nginx-forum@forum.nginx.org>
wrote:

> Hello.
>
> I run a PHP + MySQL content management system on Nginx (1.19.0 at time of
> writing) and an issue has arisen with the way I'm handing PHP files in some
> situations.
>
> The issue appears to manifest with queries when they are prepended by a
> path, where a `?` is prepended. If the queries exist in the root location,
> they work as expected.
>
> Take the two following URIs, note the second has a `path` set, but this
> does
> not exist on the filesystem. The CMS might, for example, have a path set to
> 'articles' or 'blog'.:
>
> http://subdomain.example.com/?a=b&d=g (No `path`)
> http://subdomain.example.com/path/?a=b&d=g (With `path`)
>
> Running $_GET array gives different results:
>
> = No `path` =
>
> array (
> 'a' => 'b',
> 'd' => 'g',
> )
>
> = With `path` =
>
> array (
> '?a' => 'b',
> 'd' => 'g',
> )
>
> Note the first key in the 'With `path`' example is wrongly prepended with
> `?`.
>
> My Nginx config appears to have been running fine for some time, but my
> instinct says there's either a `location` regex that I'm missing, or
> something else I've overlooked. I am, unfortunately, not smart enough to
> know what I'm doing wrong.
>
> I have included all my `location` blocks for this `server` so as not to
> trigger a conflict from another `location` block, the most relevant two are
> the last and second-to-last in the list.
>
> location ^~ /.well-known/ {
> allow all;
> default_type "text/plain";
> root /var/www/sites/example.com/subdomain/_well-known/;
> try_files $uri $uri/ =404;
> }
> location /favicon.ico {
> access_log off;
> log_not_found off;
> }
> location /robots.txt {
> access_log off;
> log_not_found off;
> }
> location ~ /\. {
> deny all;
> }
> location ~ \.svg$ {
> #redeclare `add_header` from parent, with modified `style-src` for
> SVG
> set $csp_svg_1f173340 '';
> set $csp_svg_1f173340 '${csp_svg_1f173340}default-src \'none\';';
> set $csp_svg_1f173340 '${csp_svg_1f173340}frame-ancestors
> \'self\';';
> set $csp_svg_1f173340 '${csp_svg_1f173340}style-src \'self\'
> \'unsafe-inline\';';
> add_header Content-Security-Policy $csp_svg_1f173340;
> add_header Referrer-Policy strict-origin;
> add_header Strict-Transport-Security "max-age=31536000;
> includeSubDomains; preload";
> add_header X-Content-Type-Options nosniff;
> add_header X-Frame-Options SAMEORIGIN;
> add_header X-XSS-Protection "1; mode=block";
> }
> location / {
> index index.html index.php;
> limit_except GET HEAD POST {
> deny all;
> }
> try_files $uri $uri/ /index.php?$is_args$args;
> }
> location ~ ^.+\.php(?:/.*)?$ {
> fastcgi_hide_header "X-Powered-By";
> fastcgi_keep_conn on;
> fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
> fastcgi_pass unix:/var/run/php/php-fpm74.sock;
> fastcgi_split_path_info ^(.+\.php)(/.+)$;
> include fastcgi_params;
> try_files $uri =404;
> }
>
> I would be grateful if you're able to have a look and see what I might be
> doing wrong. Any recommendations for further reading, or pointers to a
> 'better' way of handling PHP in this situation are very gratefully
> received.
>
> Thank you in advance, and best wishes to you.
>
> Posted at Nginx Forum:
> https://forum.nginx.org/read.php?2,288165,288165#msg-288165
>
> _______________________________________________
> nginx mailing list
> nginx@nginx.org
> http://mailman.nginx.org/mailman/listinfo/nginx
>
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Subject Author Posted

PHP handling where URI contains a path, index is in root

petecooper May 27, 2020 09:32AM

Re: PHP handling where URI contains a path, index is in root

Moshe Katz May 27, 2020 09:40AM

Re: PHP handling where URI contains a path, index is in root

petecooper May 27, 2020 09:43AM



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