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path: root/mod/file/download.php
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<?php
/**
 * Elgg file download.
 * 
 * @package ElggFile
 */
require_once(dirname(dirname(dirname(__FILE__))) . "/engine/start.php");

// Get the guid
$file_guid = get_input("file_guid");

// Get the file
$file = get_entity($file_guid);

if ($file) {
	$mime = $file->getMimeType();
	if (!$mime) {
		$mime = "application/octet-stream";
	}

	$filename = $file->originalfilename;

	// fix for IE https issue
	header("Pragma: public");

	header("Content-type: $mime");
	if (strpos($mime, "image/") !== false) {
		header("Content-Disposition: inline; filename=\"$filename\"");
	} else {
		header("Content-Disposition: attachment; filename=\"$filename\"");
	}

	$contents = $file->grabFile();
	$splitString = str_split($contents, 8192);
	foreach ($splitString as $chunk) {
		echo $chunk;
	}
	exit;
} else {
	register_error(elgg_echo("file:downloadfailed"));
	forward();
}