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chorblack
202
Update/Action.php
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202
Update/Action.php
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<?php
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class Update_Action extends Typecho_Widget {
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private $options;
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private $security;
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private $_dir;
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private $backdir;
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private $tempdir;
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const lastestUrl = "https://github.com/typecho/typecho/archive/master.zip";
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public function __construct($request, $response, $params = NULL) {
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parent::__construct($request, $response, $params);
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$this->options = Helper::options();
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$this->security = Helper::security();
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$this->_dir = __TYPECHO_ROOT_DIR__. __TYPECHO_PLUGIN_DIR__."/Update/";
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$this->backdir = $this->_dir."backup";
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$this->tempdir = $this->_dir."temp";
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if(method_exists($this, $this->request->step))
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call_user_func(array($this, $this->request->step));
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else $this->zero();
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}
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//升级初章开启进程线
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public function zero() {
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$url = $this->options->index."/update/";
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$adminUrl = $this->options->adminUrl."upgrade.php";
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if( !file_exists($this->backdir) && !mkdir($this->backdir, 0777, true) ) {
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return $this->log("备份文件夹创建失败");
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}
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if( !file_exists($this->tempdir) && !mkdir($this->tempdir, 0777, true) ) {
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return $this->log("临时文件夹创建失败");
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}
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?>
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<h2>升级Typecho</h2>
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<div id="progress"></div>
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<script type="text/javascript">
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function update() {
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var steps = ['first', 'second', 'third', 'fourth', 'fifth', 'sixth'];
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var notices = [
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'正在备份当前版本',
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'正在从<a href="https://github.com/typecho/typecho">Github</a>下载最新版本',
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'正在解压缩升级文件',
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'正在复制升级最新版本',
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'正在清除临时文件',
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'Typecho升级成功'
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];
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function printmsg(text, loading) {
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loading = arguments.length > 1 ? loading : true;
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text = loading ? text + "<span class='loading'>...</span>" : text;
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text = "<p>"+text+"</p>";
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document.getElementById("progress").innerHTML += text;
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}
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function ajax(url, callback) {
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var xhr;
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if(window.XMLHttpRequest) xhr = new XMLHttpRequest();
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else if(window.ActiveXObject) xhr = new ActiveXObject("Microsoft.XMLHTTP");
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else return alert("Your browser does not support XMLHTTP.");;
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xhr.onreadystatechange = function() {
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if(xhr.readyState == 4 ) {
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if(xhr.status == 200) callback(xhr.responseText);
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else return alert("Network Error.");
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}
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}
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xhr.open("GET", url, true);
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xhr.send(null);
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}
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(function step(s) {
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[].slice.call(document.querySelectorAll(".loading")).forEach(function(item){
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item.innerHTML='....';
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item.className=''
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});
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//终章结语
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if(s==steps.length) {
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setTimeout(function() {
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location.href="<?php echo $adminUrl; ?>";
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}, 2000);
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return printmsg("欢迎使用Typecho，我们将自动为你跳转到后台。如果没有自动跳转，请<a href='<?php echo $adminUrl; ?>'>点击这里</a>。", false);
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}
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printmsg(notices[s]);
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ajax("<?php echo $url; ?>"+steps[s], function(data) {
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if( data != "" ) return printmsg(data);
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step(s+1);
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});
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})(0)
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setInterval(function() {
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l = document.querySelector(".loading");
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if(l.innerHTML.length == 4) l.innerHTML = '';
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l.innerHTML += '.';
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}, 500);
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}
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update();
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</script>
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<?php
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}
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//第一步先备份
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public function first() {
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include "pclzip.lib.php";
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$backname = "$this->backdir/Backup".date("YmdHis").".zip";
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$zip = new pclZip($backname);
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$res = $zip->create(__TYPECHO_ROOT_DIR__,
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PCLZIP_OPT_REMOVE_PATH, __TYPECHO_ROOT_DIR__);
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if( $res == 0 ) return $this->log( $zip->errorInfo(true) );
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return $backname;
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}
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//第二步下载新版本
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public function second() {
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$temp = $this->tempdir."/".basename(self::lastestUrl);
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$source = fopen(self::lastestUrl, "rb");
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if($source) $target = fopen($temp, "wb");
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if($target) {
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while(!feof($source)) {
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$res = fwrite($target, fread($source, 1024*8), 1024*8);
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if(!$res) return $this->log("下载新版本写入本地错误");
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}
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}
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if($source) fclose($source);
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if($target) fclose($target);
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return $temp;
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}
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//第三步解压新版本
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public function third() {
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include "pclzip.lib.php";
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$file = $this->tempdir."/master.zip";
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$dir = dirname($file);
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$zip = new PclZip($file);
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if( !$zip->extract(PCLZIP_OPT_PATH, $dir) === 0 ) {
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return $this->log( $zip->errorInfo(true) );
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}
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return $dir;
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}
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//第四步更新
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public function fourth() {
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$lastestDir = $this->tempdir."/typecho-master";
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$overWrite = array(
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"admin"=>__TYPECHO_ROOT_DIR__.__TYPECHO_ADMIN_DIR__,
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"var" => __TYPECHO_ROOT_DIR__."/var",
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"index.php" => __TYPECHO_ROOT_DIR__."/index.php",
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"install.php" => __TYPECHO_ROOT_DIR__."/install.php"
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);
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foreach( $overWrite as $name => $to ) {
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$from = "$lastestDir/$name";
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if( is_dir($from) ) {
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$this->copy($from, $to);
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}else{
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if( !copy($from, $to) ) {
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$error = error_get_last();
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return $this->log("更新 $to 文件发生错误，错误类型 {$error['type']} ，错误信息：{$error['message']}");
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}
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}
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}
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}
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//第五步清空临时文件
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public function fifth() {
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$this->clean($this->tempdir);
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}
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//第六步终章提示升级完毕进入后台
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public function sixth() {
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}
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private function clean($dir) {
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$files = array_diff(scandir($dir), array('.','..'));
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foreach ($files as $file) {
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if(is_dir("$dir/$file")) {
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$this->clean("$dir/$file");
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}elseif(!unlink("$dir/$file")) {
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return $this->log("删除文件 $dir/$file 错误");
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}
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}
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return rmdir($dir);
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}
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private function copy($from, $to) {
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foreach( new RecursiveIteratorIterator(new RecursiveDirectoryIterator($from)) as $filename ){
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if (!is_dir($filename)) {
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$items[] = $filename;
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}
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}
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foreach($items as $item) {
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$tar = str_replace($from, $to, $item);
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$tar_dir = dirname($tar);
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if( !file_exists($tar_dir) && !mkdir($tar_dir, 0777, true) ) {
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return $this->log("$tar_dir 文件夹创建失败");
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}
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if( !copy($item, $tar) ) {
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$error = error_get_last();
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return $this->log("更新 $tar 文件发生错误，错误类型 {$error['type']} ，错误信息：{$error['message']}");
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}
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}
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}
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private function log($text) {
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$text = date("Y-m-d h:i:s")." $text\r\n";
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error_log($text, 3, $this->_dir."error.log");
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echo $text;
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}
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public function action() {
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$this->security->protect();
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$this->on($this->request);
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}
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}
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?>
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