327 lines
9.9 KiB
PHP
327 lines
9.9 KiB
PHP
<?php
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if (empty($_SESSION)) {
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session_start();
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}
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date_default_timezone_set('Europe/Paris');
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// change if you want no inpact
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$GLOBALS['config']['onlyLocalServer'] = false;
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// soshot only accept request by 127.0.0.1
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$GLOBALS['config']['NoWebPage'] = false;
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// No form for post url only acces by GET method
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$GLOBALS['config']['maxErrorBeforeBan'] = 3;
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// After 3 criticla error ban user
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$GLOBALS['config']['banTime'] = 60;
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// Ban for 60 minutes
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$GLOBALS['config']['defaultUrl'] = 'https://google.com';
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// default url for form
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$GLOBALS['config']['defaultThumbSize'] = '120x90';
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// default size for thumbnail
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$GLOBALS['config']['onlyThumb'] = true;
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// generate only thumbnail or generate thumb nail + 1280x1024 image
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$GLOBALS['config']['thumbSize'] = array(1 => '100x80', '120x90', '200x160', '300x240', '400x320', '500x400');
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// list of available size for thumb
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if (!file_exists('cache/config/genConf.php')) {
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install();
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}
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require 'cache/config/genConf.php';
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$ui = '';
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if (($GLOBALS['config']['onlyLocalServer'] === true && $_SERVER['REMOTE_ADDR'] !== '127.0.0.1') || checkIfBan() === true) {
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header("HTTP/1.0 404 Not Found");
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echo "<h1>404 Not Found</h1>";
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echo "The page that you have requested could not be found.";
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exit();
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}
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if ($GLOBALS['config']['NoWebPage'] === true && empty($_GET)) {
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header("HTTP/1.0 404 Not Found");
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echo "<h1>404 Not Found</h1>";
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echo "The page that you have requested could not be found.";
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exit();
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}
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if (get_magic_quotes_gpc()) {
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function stripslashes_deep($value) {
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$value = is_array($value) ? array_map('stripslashes_deep', $value) : stripslashes($value);
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return $value;
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}
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$_POST = array_map('stripslashes_deep', $_POST);
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$_GET = array_map('stripslashes_deep', $_GET);
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$_COOKIE = array_map('stripslashes_deep', $_COOKIE);
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}
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function testExistImg($file) {
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if ($GLOBALS['config']['onlyThumb'] === true) {
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if (file_exists($file . '_thumb.png')) {
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return true;
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} else {
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return false;
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}
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} else {
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if (file_exists($file . '_thumb.png') && file_exists($file . '.png')) {
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return true;
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} else {
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return false;
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}
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}
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}
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function launchScript($url, $md5Url, $width, $waitForResult = false) {
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$md5Url = escapeshellarg($md5Url);
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$url = escapeshellarg($url);
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$width = escapeshellarg($width);
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if ($waitForResult === false) {
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exec('bin/thumb_server.sh ' . $url . ' ' . $md5Url . ' ' . $width . ' ' . (bool)$GLOBALS['config']['onlyThumb'] . ' > /dev/null &', $result);
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} else {
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exec('bin/thumb_server.sh ' . $url . ' ' . $md5Url . ' ' . $width . ' ' . (bool)$GLOBALS['config']['onlyThumb'] . ' 1', $result);
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}
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return $result;
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}
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function testValidUrl($url) {
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if (filter_var($url, FILTER_VALIDATE_URL, FILTER_FLAG_SCHEME_REQUIRED | FILTER_FLAG_HOST_REQUIRED)) {
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$url = parse_url($url);
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if (!in_array($url['scheme'], array('http', 'https'))) {
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return array('msg' => 'Url must be start by http or https.');
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}
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return true;
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} else {
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return array('msg' => 'Url are not valid.');
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}
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}
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function genToken() {
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$token = sha1(uniqid(rand(), true) . '_' . mt_rand());
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$_SESSION['token'] = $token;
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return $token;
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}
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function verifToken($token) {
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if ($token !== $_SESSION['token']) {
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ban();
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die('So Long, and Thanks for All the Fish.');
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}
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}
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function checkIfBan() {
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require 'cache/logs/banUser.php';
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$userIp = $_SERVER['REMOTE_ADDR'];
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if (isset($banList[$userIp]) && $banList[$userIp]['nbBan'] >= $GLOBALS['config']['maxErrorBeforeBan'] && $banList[$userIp]['lastBan'] + $GLOBALS['config']['banTime'] > time()) {
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return true;
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} elseif (isset($banList[$userIp]) && $banList[$userIp]['lastBan'] + $GLOBALS['config']['banTime'] < time()) {
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unban();
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return false;
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} else {
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return false;
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}
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}
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function ban() {
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require 'cache/logs/banUser.php';
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$userIp = $_SERVER['REMOTE_ADDR'];
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if (isset($banList[$userIp])) {
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$banList[$userIp]['lastBan'] = time();
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$banList[$userIp]['nbBan']++;
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} else {
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$banList[$userIp]['lastBan'] = time();
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$banList[$userIp]['nbBan'] = 1;
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}
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file_put_contents('cache/logs/banUser.php', "<?php\n\$banList=" . var_export($banList, true) . ";\n?>");
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}
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function unBan() {
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require 'cache/logs/banUser.php';
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$userIp = $_SERVER['REMOTE_ADDR'];
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unset($banList[$userIp]);
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file_put_contents('cache/logs/banUser.php', "<?php\n\$banList=" . var_export($banList, true) . ";\n?>");
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}
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function install() {
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if (!is_writable('cache')) {
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die('Make dir "cache" writable');
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}
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if (!mkdir('cache/config', 0705)) {
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die('Error on create dir "cache/config".');
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}
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if (!mkdir('cache/img', 0705)) {
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die('Error on create dir "cache/img".');
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}
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if (!mkdir('cache/logs', 0705)) {
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die('Error on create dir "cache/logs".');
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}
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if (!mkdir('cache/tmp', 0705)) {
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die('Error on create dir "cache/tmp".');
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}
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$salt = sha1(uniqid(rand(), true) . '_' . mt_rand());
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$serverKey = substr(sha1(uniqid(rand(), true) . '_' . mt_rand() . $salt), 0, 12);
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$encryptServerKey = sha1($serverKey . $salt);
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if (!is_file('cache/config/genConf.php')) {
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file_put_contents('cache/config/genConf.php', "<?php\n\$GLOBALS['config']['serverKey'] = '$encryptServerKey';\n\$GLOBALS['config']['salt'] = '$salt';\n?>");
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}
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if (!is_file('cache/logs/banUser.php')) {
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file_put_contents('cache/logs/banUser.php', "<?php\n\n?>");
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}
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if (!is_file('cache/logs/log.php')) {
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touch('cache/logs/log.php');
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}
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echo '<div>This is the key for generate thumbnail whith GET method. Save it, this key is secret, don\'t share it. <p class="alert">', $serverKey, '</p></div>';
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checkInstall();
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}
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function checkInstall() {
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if (!is_file('.htaccess')) {
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file_put_contents('.htaccess', "AddDefaultCharset UTF-8\nOptions -Indexes\nDirectoryIndex index.php index.html\nFileETag none\nSetOutputFilter DEFLATE\n");
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}
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if (!is_file('cache/logs/.htaccess')) {
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file_put_contents('cache/logs/.htaccess', "Allow from none\nDeny from all\n");
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}
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if (!is_file('cache/config/.htaccess')) {
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file_put_contents('cache/config/.htaccess', "Allow from none\nDeny from all\n");
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}
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if (!is_file('bin/.htaccess')) {
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file_put_contents('bin/.htaccess', "Allow from none\nDeny from all\n");
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}
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}
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checkInstall();
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if ($_GET) {
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$ui = $_GET;
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unset($_GET);
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if (empty($ui['key']) || empty($ui['url'])) {
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die('Are you Ken ?');
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}
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if (sha1($ui['key'] . $GLOBALS['config']['salt']) !== $GLOBALS['config']['serverKey']) {
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ban();
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die('I take a chips and give it to Godzilla. I print a shoes and .............. KAMOULOX ! Well done Jean Pierre.');
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}
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$ui['url'] = urldecode($ui['url']);
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$testUrl = testValidUrl($ui['url']);
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if ($testUrl !== true) {
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echo $testUrl['msg'];
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exit();
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}
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$defUrl = $ui['url'];
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if (isset($ui['s']) && (int)$ui['s']) {
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$width = $GLOBALS['config']['thumbSize'][$ui['s']];
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} else {
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$width = $GLOBALS['config']['defaultThumbSize'];
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}
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$md5Url = md5($defUrl);
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$file = 'cache/img/' . $md5Url;
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if (testExistImg($file) !== true || isset($ui['fr']) && (int)$ui['fr'] === 1) {
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if (isset($ui['iw']) && (int)$ui['iw'] === 1) {
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launchScript($defUrl, $md5Url, $width, true);
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} else {
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$res = launchScript($defUrl, $md5Url, $width);
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header("Content-type: image/png");
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header("Expires: Sat, 26 Jul 1997 05:00:00 GMT");
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echo file_get_contents('bin/loadingGen.png');
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exit();
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}
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}
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header("Content-type: image/png");
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header('Expires: ', gmdate('D, d M Y H:i:s', time()) . ' GMT');
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if (!empty($ui['t']) && $ui['t'] === 'full') {
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echo file_get_contents($file . '.png');
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} else {
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echo file_get_contents($file . '_thumb.png');
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}
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exit();
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}
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if ($_POST) {
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$ui = $_POST;
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unset($_POST);
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if (empty($ui['url'])) {
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die('No url, no thumb');
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}
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verifToken($ui['token']);
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$ui['url'] = urldecode($ui['url']);
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$testUrl = testValidUrl($ui['url']);
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if ($testUrl !== true) {
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echo $testUrl['msg'];
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exit();
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}
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$defUrl = $ui['url'];
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if (isset($ui['s']) && (int)$ui['s']) {
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$width = $GLOBALS['config']['thumbSize'][$ui['s']];
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} else {
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$width = $GLOBALS['config']['defaultThumbSize'];
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}
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$md5Url = md5($defUrl);
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$file = 'cache/img/' . $md5Url;
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if (testExistImg($file) !== true || isset($ui['fr']) && (int)$ui['fr'] === 1) {
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launchScript($defUrl, $md5Url, $width, true);
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}
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$success = array('normal' => $file . '.png', 'thumb' => $file . '_thumb.png');
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}
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if (empty($defUrl)) {
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$defUrl = $GLOBALS['config']['defaultUrl'];
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}
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?>
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<title>KT WebThumb</title>
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<meta name="description" content="My web thumbnailer">
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<link rel="stylesheet" href="inc/style.css">
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</head>
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<body>
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<form method="post">
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<p>
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<input type="url" placeholder="<?php echo $defUrl; ?>" value="<?php echo $defUrl; ?>" name="url"/>
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</p>
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<p>
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<label>Size</label>
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<select name="s">
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<?php
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foreach ($GLOBALS['config']['thumbSize'] as $key => $value) {
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if ($value === $GLOBALS['config']['defaultThumbSize']) {
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echo '<option value="', $key, '" selected="selected">', $value, '</option>';
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} else {
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echo '<option value="', $key, '">', $value, '</option>';
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}
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}
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?>
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</select>
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<label>Force refresh</label>
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<input type="checkbox" value="1" name="fr" />
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</p>
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<p>
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<input type="hidden" name="token" value="<?php echo genToken(); ?>" />
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<input type="submit" value="Generate"/>
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</p>
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<p class="info">
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<a href="http://forge.leslibres.org/projects/soshot">Homepage</a>
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</p>
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</form>
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<div id="result">
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<?php
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if (!empty($success)) {
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if ($GLOBALS['config']['onlyThumb'] === true) {
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echo '<img src="', $success['thumb'], '?r=', time(), '"/>';
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} else {
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echo '<a href="', $success['normal'], '"><img src="', $success['thumb'], '?r=', time(), '"/></a>';
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}
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}
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?>
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</div>
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</body>
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</html>
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