chore: import upstream snapshot with attribution

webmin/delete_cache.cgi

@@ -0,0 +1,18 @@
+#!/usr/local/bin/perl
+# Delete selected URLs from the cache
+
+require './webmin-lib.pl';
+&ReadParse();
+&error_setup($text{'cache_err'});
+@d = split(/\0/, $in{'d'});
+@d || &error($text{'cache_enone'});
+
+# Remove the files
+foreach $d (@d) {
+	$d !~ /\.\./ && $d !~ /\0/ || &error($text{'cache_efile'});
+	&system_logged("rm -f ".quotemeta("$main::http_cache_directory/$d"));
+	}
+
+&webmin_log("deletecache", undef, scalar(@d));
+&redirect("cache.cgi?search=".&urlize($in{'search'}));
+