Upper or Lower Case Issue using get_file_contents php

Question

I am using a PHP GET method to grab a file name that then is placed in a get_file_contents command. If it is possible, I would like to ignore letter case so that my URL's are cleaner.

For instance, example.com/file.php?n=File-Name will work but example.com/file.php?n=file-name will not work using the code below. I feel like this should be easy but I'm coming up dry. Any thoughts?

$file = $_GET['n'];
$file_content = file_get_contents($file);

i understand it's an apache but on what platform is it running on? Windows ignores case while you have to know the exact filename on *nix (and also mac) systems.. — VF_, Oct 08 '14 at 13:32
:) and the apache webserver is running on your mac or somewhere else? It depends on where the files are and what platform is running there.. — VF_, Oct 08 '14 at 13:35
Sorry, I'm dumb. The server is on a linux VM. I haven't had coffee yet. — internetjason, Oct 08 '14 at 13:38

score 0 · Answer 1 · edited May 23 '17 at 12:20

0

Lowercase all your filenames and use:

file_get_contents(strtolower($file));

(I hope you're aware of some of the risks involved in using this.)

edited May 23 '17 at 12:20

Community

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answered Oct 08 '14 at 13:13

Sherlock

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There is an iOS app that is uploading these files for me, so I cannot have them changed to lowercase. I was hoping to figure out a workaround. – internetjason Oct 08 '14 at 13:26

score 0 · Answer 2 · answered Oct 08 '14 at 16:47

The Linux filesystem is case sensitive. If you want to do case insensitive matching against files that already exist on the user's machine, your only option is to obtain a directory listing and do case-insensitive comparison.

But you don't explain where the download URLs come from. If you already know the correct filenames and you want to generate prettier URLs, you can keep a list of the true pathnames and look them up when you receive a case-normalized one in a URL (you could even rename them completely, obfuscate, etc.)

Upper or Lower Case Issue using get_file_contents php

2 Answers2