Nginx rewrite urls with special characters

Question

I just got a list of urls that needs to be rewritten into nginx

example.com/cms.php/inspiration?fullsize > /
example.com/shop/?category_id=27 > /garden/cushion.html
example.com/shop/?2008=1&vare_id=10553&variant_id=2232 > /garden/cushion/black.html

I tried with the following

Simple rewrite

rewrite /shop/?category_id=27 /garden/cushion.html permanent;

Location rewrite

location /shop/?category_id=27 {
    rewrite /shop/?category_id=27 /garden/cushion.html;
}

And with location where I commented special signs

location /shop/\?category_id=27 {
    rewrite /shop/\?category_id=27 /garden/cushion.html;
}

I add them directly into server {...} in the nginx configuration

Answer 1

Firstly, anything from the ? onwards is the query string and is not part of the normalised URI used by the rewrite and location directives.

One way to achieve your objective is to test the $request_uri variable using a map directive.

For example:

map $request_uri $redirect {
    default                                     0;
    /cms.php/inspiration?fullsize               /;
    /shop/?category_id=27                       /garden/cushion.html;
    /shop/?2008=1&vare_id=10553&variant_id=2232 /garden/cushion/black.html;
}
server {
    ...
    if ($redirect) { return 301 $redirect; }
    ...
}

See this document for more, and this caution on the use of if.