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