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pix.php
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pix.php
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<?PHP // $Id$
// This function fetches user pictures from the data directory
// Syntax: pix.php/userid/f1.jpg or pix.php/userid/f2.jpg
// OR: ?file=userid/f1.jpg or ?file=userid/f2.jpg
$nomoodlecookie = true; // Because it interferes with caching
require_once("../config.php");
$lifetime = 86400;
if (isset($file)) { // workaround for situations where / syntax doesn't work
$pathinfo = $file;
} else {
$pathinfo = get_slash_arguments("pix.php");
}
if (! $args = parse_slash_arguments($pathinfo)) {
error("No valid arguments supplied");
}
$numargs = count($args);
if ($numargs == 2) {
$userid = (integer)$args[0];
$image = $args[1];
$pathname = "$CFG->dataroot/users/$userid/$image";
$filetype = "image/jpeg";
} else {
$pathname = "$CFG->dirroot/pix/u/f1.png";
$filetype = "image/png";
}
$lastmodified = filemtime($pathname);
if (file_exists($pathname)) {
header("Last-Modified: " . gmdate("D, d M Y H:i:s", $lastmodified) . " GMT");
header("Expires: " . gmdate("D, d M Y H:i:s", time() + $lifetime) . " GMT");
header("Cache-control: max_age = $lifetime"); // a day
header("Pragma: ");
header("Content-disposition: inline; filename=$image");
header("Content-length: ".filesize($pathname));
header("Content-type: $filetype");
readfile("$pathname");
}
exit;
?>