83 lines
2.3 KiB
PHP
83 lines
2.3 KiB
PHP
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<?php
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function downloadFile($filename) {
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if (!file_exists($filename)) die('File doesn\'t exist');
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$from=0;
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$cr=NULL;
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$to=filesize($filename) - 1;
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if (isset($_SERVER['HTTP_RANGE'])) {
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list($a, $range) = explode("=",$_SERVER['HTTP_RANGE'],2);
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list($range) = explode(",",$range,2);
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list($from, $range_end) = explode("-", $range);
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$from=intval($from);
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if($range_end) {
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$to=intval($range_end);
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}
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header('HTTP/1.1 206 Partial Content');
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header('Content-Range: bytes ' . $from . '-' . $to.'/'.filesize($filename));
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} else {
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header('HTTP/1.1 200 Ok');
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}
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$size= $to - $from + 1;
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header('Accept-Ranges: bytes');
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header('Content-Length: ' . $size);
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header('Connection: close');
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header('Content-Type: application/octet-stream');
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header('Last-Modified: ' . gmdate('r', filemtime($filename)));
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$f=fopen($filename, 'r');
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header('Content-Disposition: attachment; filename="' . basename($filename) . '";');
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if ($from) fseek($f, $from, SEEK_SET);
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$downloaded=0;
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while(!feof($f) and !connection_status() and ($downloaded<$size)) {
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$part = min(512000, $size-$downloaded);
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echo fread($f, $part);
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$downloaded+=$part;
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flush();
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}
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fclose($f);
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}
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function url_exists($url) {
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$hdrs = @get_headers($url);
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return is_array($hdrs) ? preg_match('/^HTTP\\/\\d+\\.\\d+\\s+2\\d\\d\\s+.*$/',$hdrs[0]) : false;
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}
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function update_count_of_downloads($file) {
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try {
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$xml = simplexml_load_file("download_stat.xml");
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$res = $xml->xpath('//download[@name="'.$file.'"]');
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if (count($res) > 0) {
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$node = $res[0];
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$node["count"] = intval($node["count"]) + 1;
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} else {
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$obj = $xml-> addChild("download");
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$obj -> addAttribute("name", $file);
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$obj -> addAttribute("count", "1");
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}
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$xml->asXML("download_stat.xml");
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//fclose($xml);
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} catch(Exception $e) {
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}
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}
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$file = $_GET['file'];
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$direct = $_GET['direct'];
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if(!isset($_SERVER['HTTP_RANGE']) ) {
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update_count_of_downloads($file) ;
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}
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set_time_limit(0);
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if($direct == 'yes' or !url_exists('http://osmand.googlecode.com/files/'.$file)) {
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downloadFile('indexes/'.$file);
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} else {
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header('HTTP/1.1 302 Found');
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header('Location: http://osmand.googlecode.com/files/'.$file);
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}
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?>
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