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218 lines
7.1 KiB
218 lines
7.1 KiB
<?php
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// +----------------------------------------------------------------------
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// | ThinkPHP [ WE CAN DO IT JUST THINK IT ]
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// +----------------------------------------------------------------------
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// | Copyright (c) 2006-2014 http://thinkphp.cn All rights reserved.
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// +----------------------------------------------------------------------
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// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
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// +----------------------------------------------------------------------
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// | Author: 麦当苗儿 <zuojiazi@vip.qq.com> <http://www.zjzit.cn>
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// +----------------------------------------------------------------------
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namespace Think\Upload\Driver;
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class Upyun{
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/**
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* 上传文件根目录
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* @var string
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*/
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private $rootPath;
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/**
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* 上传错误信息
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* @var string
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*/
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private $error = '';
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private $config = array(
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'host' => '', //又拍云服务器
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'username' => '', //又拍云用户
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'password' => '', //又拍云密码
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'bucket' => '', //空间名称
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'timeout' => 90, //超时时间
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);
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/**
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* 构造函数，用于设置上传根路径
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* @param array $config FTP配置
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*/
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public function __construct($config){
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/* 默认FTP配置 */
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$this->config = array_merge($this->config, $config);
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$this->config['password'] = md5($this->config['password']);
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}
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/**
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* 检测上传根目录(又拍云上传时支持自动创建目录，直接返回)
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* @param string $rootpath 根目录
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* @return boolean true-检测通过，false-检测失败
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*/
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public function checkRootPath($rootpath){
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/* 设置根目录 */
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$this->rootPath = trim($rootpath, './') . '/';
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return true;
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}
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/**
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* 检测上传目录(又拍云上传时支持自动创建目录，直接返回)
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* @param string $savepath 上传目录
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* @return boolean 检测结果，true-通过，false-失败
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*/
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public function checkSavePath($savepath){
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return true;
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}
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/**
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* 创建文件夹 (又拍云上传时支持自动创建目录，直接返回)
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* @param string $savepath 目录名称
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* @return boolean true-创建成功，false-创建失败
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*/
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public function mkdir($savepath){
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return true;
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}
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/**
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* 保存指定文件
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* @param array $file 保存的文件信息
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* @param boolean $replace 同名文件是否覆盖
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* @return boolean 保存状态，true-成功，false-失败
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*/
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public function save($file, $replace = true) {
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$header['Content-Type'] = $file['type'];
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$header['Content-MD5'] = $file['md5'];
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$header['Mkdir'] = 'true';
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$resource = fopen($file['tmp_name'], 'r');
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$save = $this->rootPath . $file['savepath'] . $file['savename'];
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$data = $this->request($save, 'PUT', $header, $resource);
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return false === $data ? false : true;
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}
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/**
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* 获取最后一次上传错误信息
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* @return string 错误信息
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*/
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public function getError(){
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return $this->error;
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}
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/**
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* 请求又拍云服务器
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* @param string $path 请求的PATH
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* @param string $method 请求方法
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* @param array $headers 请求header
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* @param resource $body 上传文件资源
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* @return boolean
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*/
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private function request($path, $method, $headers = null, $body = null){
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$uri = "/{$this->config['bucket']}/{$path}";
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$ch = curl_init($this->config['host'] . $uri);
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$_headers = array('Expect:');
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if (!is_null($headers) && is_array($headers)){
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foreach($headers as $k => $v) {
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array_push($_headers, "{$k}: {$v}");
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}
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}
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$length = 0;
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$date = gmdate('D, d M Y H:i:s \G\M\T');
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if (!is_null($body)) {
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if(is_resource($body)){
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fseek($body, 0, SEEK_END);
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$length = ftell($body);
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fseek($body, 0);
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array_push($_headers, "Content-Length: {$length}");
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curl_setopt($ch, CURLOPT_INFILE, $body);
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curl_setopt($ch, CURLOPT_INFILESIZE, $length);
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} else {
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$length = @strlen($body);
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array_push($_headers, "Content-Length: {$length}");
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curl_setopt($ch, CURLOPT_POSTFIELDS, $body);
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}
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} else {
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array_push($_headers, "Content-Length: {$length}");
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}
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array_push($_headers, 'Authorization: ' . $this->sign($method, $uri, $date, $length));
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array_push($_headers, "Date: {$date}");
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curl_setopt($ch, CURLOPT_HTTPHEADER, $_headers);
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curl_setopt($ch, CURLOPT_TIMEOUT, $this->config['timeout']);
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curl_setopt($ch, CURLOPT_HEADER, 1);
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
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curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 0);
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curl_setopt($ch, CURLOPT_CUSTOMREQUEST, $method);
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if ($method == 'PUT' || $method == 'POST') {
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curl_setopt($ch, CURLOPT_POST, 1);
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} else {
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curl_setopt($ch, CURLOPT_POST, 0);
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}
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if ($method == 'HEAD') {
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curl_setopt($ch, CURLOPT_NOBODY, true);
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}
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$response = curl_exec($ch);
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$status = curl_getinfo($ch, CURLINFO_HTTP_CODE);
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curl_close($ch);
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list($header, $body) = explode("\r\n\r\n", $response, 2);
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if ($status == 200) {
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if ($method == 'GET') {
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return $body;
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} else {
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$data = $this->response($header);
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return count($data) > 0 ? $data : true;
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}
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} else {
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$this->error($header);
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return false;
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}
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}
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/**
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* 获取响应数据
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* @param string $text 响应头字符串
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* @return array 响应数据列表
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*/
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private function response($text){
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$headers = explode("\r\n", $text);
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$items = array();
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foreach($headers as $header) {
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$header = trim($header);
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if(strpos($header, 'x-upyun') !== False){
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list($k, $v) = explode(':', $header);
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$items[trim($k)] = in_array(substr($k,8,5), array('width','heigh','frame')) ? intval($v) : trim($v);
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}
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}
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return $items;
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}
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/**
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* 生成请求签名
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* @param string $method 请求方法
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* @param string $uri 请求URI
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* @param string $date 请求时间
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* @param integer $length 请求内容大小
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* @return string 请求签名
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*/
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private function sign($method, $uri, $date, $length){
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$sign = "{$method}&{$uri}&{$date}&{$length}&{$this->config['password']}";
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return 'UpYun ' . $this->config['username'] . ':' . md5($sign);
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}
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/**
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* 获取请求错误信息
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* @param string $header 请求返回头信息
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*/
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private function error($header) {
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list($status, $stash) = explode("\r\n", $header, 2);
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list($v, $code, $message) = explode(" ", $status, 3);
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$message = is_null($message) ? 'File Not Found' : "[{$status}]:{$message}";
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$this->error = $message;
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}
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}
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