Viewing file:  serve.php (3.33 KB) -rw-rw-rw-
Select action/file-type:
 (+) |  (+) |  (+) | Code (+) | Session (+) |  (+) | SDB (+) |  (+) |  (+) |  (+) |  (+) |  (+) |
<?php
/*
SQL Buddy - Web based MySQL administration
http://www.sqlbuddy.com/
serve.php
- serves files in a compressed manner
MIT license
2008 Calvin Lough <http://calv.in>
*/
include "config.php";
function compressCSS($input) {
// remove comments
$input = preg_replace("/\/\*.*\*\//Us", "", $input);
// remove unnecessary characters
$input = str_replace(":0px", ":0", $input);
$input = str_replace(":0em", ":0", $input);
$input = str_replace(" 0px", " 0", $input);
$input = str_replace(" 0em", " 0", $input);
$input = str_replace(";}", "}", $input);
// remove spaces, etc
$input = preg_replace('/\s\s+/', ' ', $input);
$input = str_replace(" {", "{", $input);
$input = str_replace("{ ", "{", $input);
$input = str_replace("\n{", "{", $input);
$input = str_replace("{\n", "{", $input);
$input = str_replace(" }", "}", $input);
$input = str_replace("} ", "}", $input);
$input = str_replace(": ", ":", $input);
$input = str_replace(" :", ":", $input);
$input = str_replace(";\n", ";", $input);
$input = str_replace(" ;", ";", $input);
$input = str_replace("; ", ";", $input);
$input = str_replace(", ", ",", $input);
return trim($input);
}
function compressJS($input) {
// remove comments
$input = preg_replace("/\/\/.*\n/Us", "", $input);
$input = preg_replace("/\/\*.*\*\//Us", "", $input);
// remove spaces, etc
$input = preg_replace("/\t/", "", $input);
$input = preg_replace("/\n\n+/m", "\n", $input);
$input = str_replace(";\n", ";", $input);
$input = str_replace(" = ", "=", $input);
$input = str_replace(" == ", "==", $input);
$input = str_replace(" || ", "||", $input);
$input = str_replace(" && ", "&&", $input);
$input = str_replace(")\n{", "){", $input);
$input = str_replace("if (", "if(", $input);
return trim($input);
}
if (isset($_GET['file'])) {
$filename = $_GET['file'];
if (!(strpos($filename, "css/") === 0 || strpos($filename, "themes/") === 0 || strpos($filename, "js/") === 0))
exit;
if (strpos($filename, "..") !== false)
exit;
if (file_exists($filename)) {
if (extension_loaded('zlib') && ((isset($sbconfig['EnableGzip']) && $sbconfig['EnableGzip'] == true) || !isset($sbconfig['EnableGzip']))) {
ob_start("ob_gzhandler");
} else {
ob_start();
}
$last_modified_time = filemtime($filename);
$etag = md5_file($filename);
header("Last-Modified: " . gmdate("D, d M Y H:i:s", $last_modified_time) . " GMT");
header("Expires: " . gmdate("D, d M Y H:i:s", time()+24*60*60*60) . " GMT");
header("Etag: $etag");
if ((array_key_exists('HTTP_IF_MODIFIED_SINCE', $_SERVER) && @strtotime($_SERVER['HTTP_IF_MODIFIED_SINCE']) == $last_modified_time) || (array_key_exists('HTTP_IF_NONE_MATCH', $_SERVER) && trim($_SERVER['HTTP_IF_NONE_MATCH']) == $etag)) {
header("HTTP/1.1 304 Not Modified");
exit;
}
$contents = file_get_contents($filename);
if (substr($filename, -4) == ".css") {
header("Content-Type: text/css; charset=utf-8");
$contents = compressCSS($contents);
} else if (substr($filename, -3) == ".js" && strpos($filename, "mootools") === false) {
header("Content-Type: application/x-javascript; charset=utf-8");
$contents = compressJS($contents);
} else if (substr($filename, -3) == ".js") {
header("Content-Type: application/x-javascript; charset=utf-8");
}
echo $contents;
ob_end_flush();
} else {
echo "File doesn't exist!";
}
}
?>
|