293 lines
8.4 KiB
PHP
293 lines
8.4 KiB
PHP
<?php
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/**
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* Typecho 将附件转存至新浪云储存(SCS)
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*
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* @package SCS
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* @author vfhky
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* @version 1.1.1
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* @update: 2014.09.20
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* @link http://www.typecodes.com/web/scsfortypechov111.html
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*/
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class SCS_Plugin implements Typecho_Plugin_Interface
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{
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/**
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* 激活插件方法,如果激活失败,直接抛出异常
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*
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* @access public
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* @return void
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* @throws Typecho_Plugin_Exception
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*/
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public static function activate()
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{
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Typecho_Plugin::factory('Widget_Upload')->uploadHandle = array('SCS_Plugin', 'uploadHandle');
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Typecho_Plugin::factory('Widget_Upload')->modifyHandle = array('SCS_Plugin', 'modifyHandle');
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Typecho_Plugin::factory('Widget_Upload')->deleteHandle = array('SCS_Plugin', 'deleteHandle');
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Typecho_Plugin::factory('Widget_Upload')->attachmentHandle = array('SCS_Plugin', 'attachmentHandle');
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return _t('请设置SCS的信息，以使插件正常使用！');
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}
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/**
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* 禁用插件方法,如果禁用失败,直接抛出异常
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*
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* @static
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* @access public
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* @return void
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* @throws Typecho_Plugin_Exception
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*/
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public static function deactivate()
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{
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return _t('插件已禁用成功！');
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}
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/**
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* 获取插件配置面板
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*
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* @access public
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* @param Typecho_Widget_Helper_Form $form 配置面板
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* @return void
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*/
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public static function config(Typecho_Widget_Helper_Form $form)
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{
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$bucket = new Typecho_Widget_Helper_Form_Element_Text('bucket', null, null, _t('Bucket 名称(*)：'));
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$form->addInput($bucket->addRule('required', _t('Bucket名称不能为空！')));
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$accesskey = new Typecho_Widget_Helper_Form_Element_Text('accesskey', null, null, _t('AccessKey(*)：'));
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$form->addInput($accesskey->addRule('required', _t('AccessKey不能为空！')));
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$secretkey = new Typecho_Widget_Helper_Form_Element_Text('secretkey', null, null, _t('SecretKey(*)：'));
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$form->addInput($secretkey->addRule('required', _t('SecretKey不能为空！')));
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$scsbind = new Typecho_Widget_Helper_Form_Element_Text('scsbind', null, null, _t('SCS绑定的域名: '), _t('非必填，有则填写SCS上绑定的域名。'));
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$form->addInput($scsbind->addRule('xssCheck', _t('SCS域名格式不正确！')));
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$format = new Typecho_Widget_Helper_Form_Element_Text('format', null, null, _t('自定义SCS路径: '), _t('非必填，SCS存储路径。可用参数: {year}年份，{month}月份，{day}天数。默认为 "年份/月份/" 即 {year}/{month} 格式，也可自行输入类似 "{year}/a目录/b目录/{month}/" 等样式风格。'));
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$form->addInput($format->addRule('xssCheck', _t('SCS路径格式不正确！')));
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//必填则$form->addInput($format->addRule('required', _t('SCS路径不能为空！'))->addRule('xssCheck', _t('SCS路径格式不正确！')));
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}
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/**
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* 个人用户的配置面板
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*
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* @access public
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* @param Typecho_Widget_Helper_Form $form
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* @return void
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*/
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public static function personalConfig(Typecho_Widget_Helper_Form $form)
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{
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}
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/**
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* 获取SCS的配置
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*
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* @static
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* @access public
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* @return void
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* @throws Typecho_Plugin_Exception
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*/
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public static function getSCSconfig()
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{
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return Typecho_Widget::widget('Widget_Options')->plugin('SCS');
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}
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/**
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* 获取SCS的SDK类
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*
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* @static
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* @access public
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* @return void
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* @throws Typecho_Plugin_Exception
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*/
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public static function getSCSsdk()
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{
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if( !class_exists('SCS') )
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require 'SCS.php';
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}
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/**
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* 自定义SCS路径的检验
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*
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* @param string $filepath
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* @static
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* @access private
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* @return string
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*/
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private static function getSCSFilepath($filepath)
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{
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$filepath = str_replace( array("\\", "//" ), '/', htmlspecialchars($filepath) );
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if( substr( $filepath, 0, 1 ) === '/' )
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$filepath = substr($filepath, 1);
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if( substr( $filepath, -1, 1 ) !== '/' )
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$filepath .= '/';
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return $filepath;
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}
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/**
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* 获取安全的文件名
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*
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* @param string $name
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* @static
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* @access private
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* @return string
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*/
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private static function getSafeName(&$name)
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{
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$name = str_replace(array('"', '<', '>'), '', $name);
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$name = str_replace('\\', '/', $name);
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$name = false === strpos($name, '/') ? ('a' . $name) : str_replace('/', '/a', $name);
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$info = pathinfo($name);
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$name = substr($info['basename'], 1);
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return isset($info['extension']) ? $info['extension'] : '';
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}
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/**
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* 上传文件处理函数,如果需要实现自己的文件哈希或者特殊的文件系统,请在options表里把uploadHandle改成自己的函数
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*
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* @access public
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* @param array $file 上传的文件
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* @return mixed
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*/
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public static function uploadHandle($file)
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{
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return self::ScsUpload($file);
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}
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/**
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* 上传附件
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*
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* @static
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* @access public
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* @return bool
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* @throws Typecho_Plugin_Exception
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*/
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public static function ScsUpload( $file, $content = null )
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{
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if( empty($file['name']) )
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return false;
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//获取安全的文件名后缀
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$ext = self::getSafeName($file['name']);
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if( !Widget_Upload::checkFileType($ext) )
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return false;
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$option = self::getSCSconfig();
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$date = new Typecho_Date(Typecho_Widget::widget('Widget_Options')->gmtTime);
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$path = ($option->format == null)?($date->year .'/'. $date->month . '/'):(preg_replace(array('/\{year\}/', '/\{month\}/', '/\{day\}/'), array( $date->year, $date->month, $date->day ), self::getSCSFilepath($option->format)));
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/*非必须(在本地附件目录/usr/uploads/下创建新目录)
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if (!is_dir($path)) {
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if (!self::makeUploadDir($path)) {
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return false;
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}
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}
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*/
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//以Unix time stamp形式储存：$path .= sprintf('%u', crc32(uniqid())) . '.' . $ext;
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$path .= $file['name'];
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if( isset($content) )
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{
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$path = $content['attachment']->path;
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self::ScsDelete($path);
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}
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$clienttmp = $file['tmp_name'];
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if( !isset($clienttmp) )
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return false;
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self::getSCSsdk();
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$scs = new SCS( $option->accesskey, $option->secretkey );
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if( $scs->putObjectFile($clienttmp, $option->bucket, $path, SCS::ACL_PUBLIC_READ) )
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{
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return array
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(
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'name' => $file['name'],
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'path' => $path,
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'size' => $file['size'],
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'type' => $ext,
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'mime' => Typecho_Common::mimeContentType($path)
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);
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}
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else
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return false;
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}
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/**
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* 修改文件处理函数,如果需要实现自己的文件哈希或者特殊的文件系统,请在options表里把modifyHandle改成自己的函数
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*
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* @access public
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* @param array $content 老文件
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* @param array $file 新上传的文件
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* @return mixed
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*/
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public static function modifyHandle($content, $file)
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{
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return self::ScsUpload($file, $content);
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}
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/**
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* 删除文件
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*
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* @access public
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* @param array $content 文件相关信息
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* @return string
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*/
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public static function deleteHandle(array $content)
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{
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self::ScsDelete( $content['attachment']->path );
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}
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/**
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* 删除附件
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*
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* @static
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* @access public
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* @return boolean
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* @throws Typecho_Plugin_Exception
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*/
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public static function ScsDelete($filepath)
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{
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$option = self::getSCSconfig();
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self::getSCSsdk();
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$scs = new SCS( $option->accesskey, $option->secretkey );
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if( $scs->deleteObject( $option->bucket, $filepath ) )
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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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* 获取实际文件绝对访问路径
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*
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* @access public
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* @param array $content 文件相关信息
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* @return string
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*/
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public static function attachmentHandle(array $content)
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{
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$option = self::getSCSconfig();
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if( $option->scsbind == null )
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{
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self::getSCSsdk();
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return Typecho_Common::url($content['attachment']->path, SCS::$endpoint.'/'.$option->bucket.'/' );
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}
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else
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return Typecho_Common::url($content['attachment']->path, $option->scsbind );
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}
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}
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