nginx: make internal redirect to a different `location` block

Vojtech Kane

4/7/24, 8:42 PM

try_files' signature is try_files file ... uri;, so one usually uses it to perform tasks like serve file1 if it exists otherwise serve file2 if it exists otherwise pass the decision to a different location block (the one for the mentioned uri).

Can I somehow use the last part only? That means, do not try to serve any files, just pass the request to a different location block. The simple idea of not mentioning any files fails with nginx: [emerg] invalid number of arguments in "try_files" directive.

A workaround is to write try_files /does/not/exist.html /some/uri; but it looks ugly and possibly incurs a penalty for checking the existence of the nonexistent file.

For context, why do I need this?

I have a config like

location /path/ {
    try_files $uri $uri/index.html =404;
    alias /some/dir/;
    expires 604800;
}

This unfortunately doesn't match /path (no trailing /). One could simply write location /path, but it is said to cause path traversals.

My idea is to add one more handler like

location = /path {
  <do the same as for /path/>
}

I could of course copy the alias and try_files there, but that way I would also have to copy the expires directive and possible others and keep them synced.

498

1 + 1

nginx

Richard Smith

4/8/24, 4:52 PM

You could use `rewrite ^ /path/ last;`

Score:0

Server

Saxtheowl

4/8/24, 7:52 PM

Yes, rewrite is good here, just add a block location /path and use rewrite to redirect the request to the /path/ block, like this

location = /path {
    rewrite ^ /path/ last;
}

location /path/ {
    try_files $uri $uri/index.html =404;
    alias /some/dir/;
    expires 604800;
}

+ 0

Elon Musk

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EN: nginx: make internal redirect to a different `location` block

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