2015-03-29 15:24:17 +00:00
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<?php
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2017-03-01 14:36:08 +00:00
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mb_internal_encoding("utf8");
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2017-03-02 17:29:34 +00:00
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$subpath = "";
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$file = "";
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$username = "";
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$myurl = (isset($_SERVER['HTTPS']) ? 'https' : 'http')
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.'://'.$_SERVER['HTTP_HOST']
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.explode('?', (isset($_SERVER['HTTP_X_ORIGINAL_REQUEST'])
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? $_SERVER['HTTP_X_ORIGINAL_REQUEST']
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: $_SERVER['REQUEST_URI']))[0];
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2017-03-01 14:36:08 +00:00
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function error_die($reason, $status='500 Internal Server Error') {
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header("Expires: Tue, 01 Jan 2000 00:00:00 GMT");
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header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
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header("Cache-Control: no-store, no-cache, must-revalidate, max-age=0");
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header("Cache-Control: post-check=0, pre-check=0", false);
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header("Pragma: no-cache");
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header('HTTP/1.0 '.$status);
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die('<html><body><h1>Error: '.$status.'</h1><p>'.$reason.'</p>');
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}
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require('configuration.php');
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function alt(&$p1 = NULL, &$p2 = NULL, &$p3 = NULL) {
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if (isset($p1)) return $p1;
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if (isset($p2)) return $p2;
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return $p2;
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}
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function computeUnsignedChecksum($bytestring) {
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$unsigned_chksum = 0;
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for($i=0; $i<512; $i++)
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$unsigned_chksum += ord($bytestring[$i]);
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for($i=0; $i<8; $i++)
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$unsigned_chksum -= ord($bytestring[148 + $i]);
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$unsigned_chksum += ord(" ") * 8;
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return $unsigned_chksum;
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}
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function tarHeader($Name, $Size, $information=NULL) {
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if (strlen($Name)>99) {
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$ext = preg_replace('/.*\./', '', $Name);
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$Name = substr($Name, 0, 98-strlen($ext)).'.'.$ext;
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}
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$header = str_pad($Name,100,chr(0));
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$header .= str_pad("777",7,"0",STR_PAD_LEFT) . chr(0);
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$header .= str_pad(decoct($information["user_id"]),7,"0",STR_PAD_LEFT) . chr(0);
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$header .= str_pad(decoct($information["group_id"]),7,"0",STR_PAD_LEFT) . chr(0);
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$header .= str_pad(decoct($Size),11,"0",STR_PAD_LEFT) . chr(0);
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$header .= str_pad(decoct(time(0)),11,"0",STR_PAD_LEFT) . chr(0);
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$header .= str_repeat(" ",8);
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$header .= "0";
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$header .= str_repeat(chr(0),100);
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$header .= str_pad("ustar",6,chr(32));
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$header .= chr(32) . chr(0);
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$header .= str_pad($information["user_name"],32,chr(0));
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$header .= str_pad($information["group_name"],32,chr(0));
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$header .= str_repeat(chr(0),8);
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$header .= str_repeat(chr(0),8);
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$header .= str_repeat(chr(0),155);
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$header .= str_repeat(chr(0),12);
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$checksum = str_pad(decoct(computeUnsignedChecksum($header)),6,"0",STR_PAD_LEFT);
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for($i=0; $i<6; $i++) {
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$header[(148 + $i)] = substr($checksum,$i,1);
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}
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$header[154] = chr(0);
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$header[155] = chr(32);
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return $header;
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}
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function checkPath($pathToCheck) {
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global $imagepath, $subpath;
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2017-03-01 19:37:31 +00:00
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$fullpath = preg_replace('/\/$/', '', $imagepath.'/'.$pathToCheck);
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2017-03-01 14:36:08 +00:00
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if ($fullpath==realpath($fullpath) && is_dir($fullpath)) {
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$subpath=$pathToCheck;
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$imagepath = $fullpath;
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} else {
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error_die('path not allowed: '.htmlentities($pathToCheck));
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}
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}
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function checkFile($fileToCheck, $thumb = false) {
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global $imagepath, $file, $subpath, $thumbpath, $imgfile;
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if (!preg_match('/\//', $fileToCheck) && is_file($imagepath.'/'.$fileToCheck)) {
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$imgfile = $fileToCheck;
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} else {
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error_die('file not found', '404 Not Found');
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}
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if ($thumb) { // image from thumbnail path
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$file = $thumbpath.'/'.$subpath.'/'.$fileToCheck;
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if (!is_dir($thumbpath.'/'.$subpath)) mkdir($thumbpath.'/'.$subpath, 0777, true);
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if (!is_file($file)) { // create thumbnail
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$image = new Imagick();
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$image->readImage($imagepath.'/'.$fileToCheck);
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$image->thumbnailImage(200, 200, true);
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$image->writeImage($file);
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}
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} else {
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$file = $imagepath.'/'.$fileToCheck;
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}
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}
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function returnFile($file) {
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$ext=strtolower(preg_replace('/.*\./', '', $file));
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switch ($ext) {
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case 'jpg': case 'jpeg': $type="image/jpeg"; break;
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case 'tif': case 'tiff': $type="image/tiff"; break;
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case 'gif': $type="image/gif"; break;
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case 'png': $type="image/png"; break;
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case 'bmp': $type="image/bmp"; break;
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}
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if (!is_file($file)) {
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error_die('file does not exist', '404 Not Found');
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}
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if (!isset($_REQUEST['view'])) {
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header('Content-type: '.$type);
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header('Content-Length: '.filesize($file));
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header('Content-Transfer-Encoding: binary');
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flush();
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readfile($file);
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exit;
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}
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}
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function extractDir($path) {
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$res['dirs'] = array();
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$res['files'] = array();
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if ($d=opendir($path)) {
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while (false!==($f=readdir($d)))
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if (!preg_match('/^\./', $f) && is_dir($path.'/'.$f))
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$res['dirs'][] = $f;
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elseif (!preg_match('/^\./', $f) && is_file($path.'/'.$f))
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switch (strtolower(preg_replace('/.*\./', '', $f))) {
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case "jpg": case "jpeg": case "png":
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$res['files'][] = $f;
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}
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}
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closedir($d);
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asort($res['dirs']);
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asort($res['dirs']);
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return $res;
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}
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/*function encrypt2($text) {
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global $_REQUEST, $server_password;
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return bin2hex(mcrypt_encrypt(MCRYPT_BLOWFISH, $_REQUEST['password']+$server_password, bzcompress(serialize($text)), MCRYPT_MODE_ECB));
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2015-03-29 15:24:17 +00:00
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}
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function decrypt2($text) {
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2017-03-01 14:36:08 +00:00
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global $_REQUEST, $server_password;
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return unserialize(bzdecompress(mcrypt_decrypt(MCRYPT_BLOWFISH, $_REQUEST['password']+$server_password, hex2bin($text), MCRYPT_MODE_ECB)));
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2015-03-29 15:24:17 +00:00
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}*/
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2017-03-01 14:36:08 +00:00
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function encrypt($text, $password = NULL) {
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global $_REQUEST, $server_password;
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if (!$password) $password = $_REQUEST['password'];
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return base64_encode(mcrypt_encrypt(MCRYPT_BLOWFISH, $password+$server_password, bzcompress(serialize($text)), MCRYPT_MODE_ECB));
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}
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function decrypt($text) {
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global $_REQUEST, $server_password;
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$res = @unserialize(bzdecompress(mcrypt_decrypt(MCRYPT_BLOWFISH, $_REQUEST['password']+$server_password, base64_decode($text), MCRYPT_MODE_ECB)));
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if (!$res) $res = @unserialize(bzdecompress(mcrypt_decrypt(MCRYPT_BLOWFISH, $_REQUEST['password']+$server_password, hex2bin($text), MCRYPT_MODE_ECB)));
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return $res;
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}
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function makelink($link, $img, $filename, $style="") {
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echo '<a href="'.$link.'"><img src="'.$img.'" alt="'.htmlentities($filename).'" '.$style.'/></a>';
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}
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function linkorselect($link, $img, $filename) {
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if (isset($_REQUEST['select'])) {
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echo '<input type="checkbox" id="'.htmlentities($filename).'" name="elements[]" value="'.htmlentities($filename).'" />';
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echo '<label for="'.htmlentities($filename).'"><img src="'.$img.'" alt="'.htmlentities($filename).'"/></label>';
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} else {
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makelink($link, $img, $filename);
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}
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}
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if (!isset($_REQUEST['secret'])) {
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if ($username=="") error_die('not authorized', '403 Forbidden');
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if (isset($_REQUEST['qrcode'])) {
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2017-03-02 17:29:34 +00:00
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QRcode::png($myurl.'?secret='.$_REQUEST['qrcode']);
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2017-03-01 14:36:08 +00:00
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exit;
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} else {
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if (isset($_REQUEST['path'])) checkPath($_REQUEST['path']);
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if (isset($_REQUEST['folder']) && !preg_match('/\//', $_REQUEST['folder'])) {
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$file = $thumbpath.'/folders/'.$subpath.'/'.$_REQUEST['folder'].'.png';
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$type="image/png";
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if (!is_dir($thumbpath.'/folders/'.$subpath)) mkdir($thumbpath.'/folders/'.$subpath, 0777, true);
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if (!is_file($file)) { // create folder image
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$txt = wordwrap(preg_replace('/ +/', ' ', preg_replace('/-/', ' - ', preg_replace('/_/', " ", $_REQUEST['folder']))), 16, "\n", true);
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$image = new Imagick();
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$image->readImage('folder.png'); // read local template file
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$draw = new ImagickDraw();
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$draw->setFillColor('black');
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$draw->setFont($font);
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if (mb_strlen($txt)<2) {
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$draw->setFontSize(60);
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$x = 75;
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} else {
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$draw->setFontSize(15);
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$x = 50;
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}
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$image->annotateImage($draw, 10, $x, 0, $txt);
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$image->writeImage($file);
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}
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} elseif (isset($_REQUEST['file'])) checkFile($_REQUEST['file'], isset($_REQUEST['thumb']));
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if ($file!="") returnFile($file);
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}
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} else {
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if (isset($_REQUEST['password'])) {
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$secret = decrypt($_REQUEST['secret']) or error_die('bad password', '403 Forbidden');
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if (!isset($secret['valid-until'])) error_die('missing validation date');
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if (!isset($max_validity_days)) error_die('maximum validity days not set');
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if (strtotime($secret['valid-until'])>time()+((int)$max_validity_days)*86400) error_die('validity limitation not respected');
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if (strtotime($secret['valid-until'])<time()) error_die('sharing request timed out', '410 Gone');
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checkPath($secret['path']);
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if (isset($secret['file'])) {
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checkFile($secret['file'], true);
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if ($file!="") returnFile($file);
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}
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foreach ($secret['elements'] as $f) checkFile($f);
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if (isset($_REQUEST['download'])) {
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$secret = decrypt($_REQUEST['secret']) or error_die('bad password', '403 Forbidden');
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if (!isset($secret['valid-until'])) error_die('missing validation date');
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if (strtotime($secret['valid-until'])<time()) error_die('sharing request timed out', '410 Gone');
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if (isset($secret['elements'])) {
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$size = 0;
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foreach ($secret['elements'] as $f) {
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checkFile($f);
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$size += 512 + ceil(filesize($file)/512)*512;
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$files[] = $file;
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}
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header('Content-Description: File Transfer');
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header('Content-Type: application/x-tar');
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header('Content-Length: '.$size);
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header('Content-Disposition: attachment; filename=shared-images.tar');
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foreach($files as $f) {
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print tarHeader('shared-images/'.basename($f), filesize($f));
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readfile($f);
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print str_repeat(chr(0), ceil(filesize($f)/512)*512-filesize($f));
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}
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exit;
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}
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}
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}
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}
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2015-03-29 15:24:17 +00:00
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?><!DOCTYPE html>
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<html>
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<header>
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<meta charset="utf-8">
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</header>
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<body>
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<?php
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2017-03-01 14:36:08 +00:00
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if ($username=="") {
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if (isset($_REQUEST['password'])) {
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?>
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<h1>Shared Files</h1>
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<p>Download shared files as a <a href="http://de.wikipedia.org/wiki/Tar">Tape-ARchive</a> (tar) file.</p>
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<p><form method="POST">
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<input type="hidden" name="secret" value="<?php echo htmlentities($_REQUEST['secret']) ?>"/>
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<input type="hidden" name="password" value="<?php echo htmlentities($_REQUEST['password']) ?>"/>
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<input type="hidden" name="download"/>
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<input type="submit" value="download"/>
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</form></p>
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<?php
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foreach ($secret['elements'] as $f) {
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$secret['path'] = $subpath;
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$secret['file'] = $f;
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$secret['valid-until'] = date('c', time()+30);
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$password=str_shuffle(sha1(rand().time()."Js83aéa"));
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echo '<img src="?secret='.urlencode(encrypt($secret, $password)).'&password='.urlencode($password).'" alt="'.htmlentities($f).'"/>';
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2015-03-29 15:24:17 +00:00
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}
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} else {
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2017-03-01 14:36:08 +00:00
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?>
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<h1>Password Required</h2>
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<p>Enter password to start download of images as a Tape-ARchive (tar) file.</p>
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<form method="POST">
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<input type="hidden" name="secret" value="<?php echo htmlentities($_REQUEST['secret']) ?>"/>
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<input type="password" name="password"/>
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<input type="submit" value="show"/>
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</form>
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<?php
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2015-03-29 15:24:17 +00:00
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}
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2017-03-01 14:36:08 +00:00
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} else {
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?>
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<h1>Gallery: <?php echo htmlentities($username).' @ '.htmlentities($subpath) ?></h1>
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<?php
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if (isset($_REQUEST['share'])) {
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echo '<a href="?path='.urlencode($subpath).'"><img src="?folder=←" alt="←"/></a><br/>';
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$key = $_REQUEST;
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unset($key['password']);
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unset($key['share']);
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unset($key['select']);
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$secret=urlencode(encrypt($key));
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$default_mailto = "";
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if (isset($_REQUEST['mailto'])) {
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if (preg_match('/LINK/', $message))
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$message = preg_replace('/PASSWORD/', $_REQUEST['password'], $_REQUEST['mailtext']);
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else
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$message = $_REQUEST['mailtext']."\n\npassword: ".$REQUEST['password'];
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2017-03-02 17:29:34 +00:00
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$link = $myurl.'?secret='.$secret;
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2017-03-01 14:36:08 +00:00
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if (preg_match('/LINK/', $message))
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$message = preg_replace('/LINK/', $link, $message);
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else
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$message .= "\n\n".$link;
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if (mail($_REQUEST['mailto'], $_REQUEST['subject'], $message, 'From: '.$_REQUEST['replyto']."\r\n".'Reply-To: '.$_REQUEST['replyto'])) {
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echo '<h2>Mail Successfully Sent</h2>';
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echo '<p>Mail sent to '.$_REQUEST['mailto'].'.</p>';
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echo '<p>You can send more mails, if you want ...</p>';
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} else {
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echo '<h2>Send Mail <strong>Failed</strong></h2>';
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echo '<p>Try again ...</p>';
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}
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}
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echo '<h2>Share Files</h2>';
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echo '<p>Share files: Tell your friend the password on a separate channel and send this: <a href="?secret
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='.$secret.'">Link to Share</a></p>';
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?>
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2017-03-02 17:29:34 +00:00
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<img src="<?php echo $myurl.'?qrcode='.$secret; ?>" />
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2017-03-01 14:36:08 +00:00
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<p>or Send Link in E-Mail:</p>
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<form method="POST">
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<table style="width: 100%"><tr>
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<td><label for="replyto">From:</label></td><td><input name="replyto" type="text" value="<?php echo alt($_REQUEST['replyto'], $email[0], $fallback_mail_replyto); ?>" list="emails" style="width: 99%"/><datalist id="emails"><?php for ($i=0; $i<$email['count']; ++$i) echo '<option value="'.$email[$i].'">'; ?></datalist></td>
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</tr><tr>
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<td><label for="mailto">To:</label></td><td><input name="mailto" type="text" value="<?php echo alt($_REQUEST['mailto'], $default_mailto); ?>" style="width: 99%"/></td>
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</tr><tr>
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<td><label for="subject">Subject:</label></td><td><input name="subject" type="text" value="<?php echo alt($_REQUEST['subject'], $default_mail_subject) ?>" style="width: 99%"/></td>
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</tr><tr>
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<td colspan="2"><textarea name="mailtext" style="width: 99%; height: 15em"><?php echo preg_replace('/USERNAME/', $fullname, alt($_REQUEST['mailtext'], $default_mail_text)) ?></textarea></td>
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</tr><tr>
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<td colspan="2"><input type="submit" value="send email"/></td>
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</tr></table>
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<?php
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foreach ($_POST as $k => $v)
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switch ($k) {
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case 'replyto': case 'mailto': case 'subject': case 'mailtext': break;
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default:
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if (is_array($v)) foreach ($v as $e) echo '<input type="hidden" name="'.$k.'[]" value="'.$e.'"/>';
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else echo '<input type="hidden" name="'.$k.'" value="'.$v.'"/>';
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}
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?>
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</form>
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<?php
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foreach ($key['elements'] as $f)
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makelink('?path='.urlencode($subpath).'&file='.urlencode($f).'&view', '?path='.urlencode($subpath).'&file='.urlencode($f).'&thumb', $f);
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} else {
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if (isset($_REQUEST['view'])) { // view single image
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$objects = extractDir($imagepath);
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$pos = array_search($imgfile, $objects['files']);
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if ($pos>0)
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echo '<a href="?path='.urlencode($subpath).'&file='.urlencode($objects['files'][$pos-1]).'&view"><img src="?folder=←" alt="previous"/></a>';
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echo '<a href="?path='.urlencode($subpath).'"><img src="?folder=↑" alt="↑"/></a>';
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if ($pos<count($objects['files'])-1)
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echo '<a href="?path='.urlencode($subpath).'&file='.urlencode($objects['files'][$pos+1]).'&view"><img src="?folder=→" alt="next"/></a>';
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echo '<div class="image"><img style="width: 100%" src="?path='.urlencode($subpath).'&file='.urlencode($imgfile).'" alt="'.urlencode($imgfile).'"/></div>';
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if ($pos!==NULL) {
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$lower = max(0, $pos-floor(((int)$preview_num)/2));
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$higher = min(count($objects['files']), $lower+((int)$preview_num));
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for ($i=$lower; $i<$higher; ++$i)
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makelink('?path='.urlencode($subpath).'&file='.urlencode($objects['files'][$i]).'&view', '?path='.urlencode($subpath).'&file='.urlencode($objects['files'][$i]).'&thumb', $objects['files'][$i], 'style="width: '.round(100/($higher-$lower), 3).'%"');
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}
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} else { // gallery view
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if (isset($_REQUEST['select'])) {
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echo '<a href="?path='.urlencode($subpath).'">Normal-Modus</a>';
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echo '<form method="POST">';
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echo '<input type="hidden" name="path" value="'.htmlentities($subpath).'">';
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echo '<label for="password">Passwort:</label>';
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echo '<input type="text" size="5" name="password" value="'.substr(str_shuffle(strtolower(sha1(rand().time()."SeAG6"))),0,4).'">';
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echo '<label for="valid-until">Gültig bis:</label>';
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echo '<input type="date" size="10" name="valid-until" max="'.date('Y-m-d', time()+((int)$max_validity_days)*86400).'" value="'.date('Y-m-d', time()+14*86400).'"/>';
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echo '<input type="submit" name="share" value="Teilen"/>';
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} else {
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echo '<a href="?path='.urlencode($subpath).'&select">Auswahl-Modus</a>';
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}
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echo '<div class="dirs">';
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if (preg_match('/\//', $subpath)) {
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echo '<a href="?path='.urlencode(preg_replace('/\/[^\/]+$/', '', $subpath)).'"><img src="?folder=↑" alt="↑"/></a>';
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} elseif ($subpath!="") {
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echo '<a href="?"><img src="?folder=↑" alt="↑"/></a>';
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}
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$objects = extractDir($imagepath);
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foreach ($objects['dirs'] as $f)
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makelink('?path='.urlencode($subpath.($subpath!=""?'/':'').$f), '?path='.urlencode($subpath).'&folder='.urlencode($f), $f);
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echo '</div><div class="images">';
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foreach ($objects['files'] as $f)
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linkorselect('?path='.urlencode($subpath).'&file='.urlencode($f).'&view', '?path='.urlencode($subpath).'&file='.urlencode($f).'&thumb', $f);
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echo '</div>';
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if (isset($_REQUEST['select'])) echo '</form>';
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}
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}
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}
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?>
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2015-03-29 15:24:17 +00:00
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</body>
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</html>
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