Sina App Engine专用的文件上传插件，使用Storage做持久化存储。 * * @package SaeUpload * @author Kimi * @version 1.0.0 Beta * @link http://www.ccvita.com/491.html */ class SaeUpload_Plugin implements Typecho_Plugin_Interface { /** * 激活插件方法,如果激活失败,直接抛出异常 * * @access public * @return void * @throws Typecho_Plugin_Exception */ public static function activate() { Typecho_Plugin::factory('Widget_Upload')->uploadHandle = array('SaeUpload_Plugin', 'uploadHandle'); Typecho_Plugin::factory('Widget_Upload')->modifyHandle = array('SaeUpload_Plugin', 'modifyHandle'); Typecho_Plugin::factory('Widget_Upload')->deleteHandle = array('SaeUpload_Plugin', 'deleteHandle'); Typecho_Plugin::factory('Widget_Upload')->attachmentHandle = array('SaeUpload_Plugin', 'attachmentHandle'); Typecho_Plugin::factory('Widget_Upload')->attachmentDataHandle = array('SaeUpload_Plugin', 'attachmentDataHandle'); return _t('请您在 Sina App Engine控制面板 中创建Storage的Domain: 名称固定为 typechoupload'); } /** * 禁用插件方法,如果禁用失败,直接抛出异常 * * @static * @access public * @return void * @throws Typecho_Plugin_Exception */ public static function deactivate(){} /** * 获取插件配置面板 * * @access public * @param Typecho_Widget_Helper_Form $form 配置面板 * @return void */ public static function config(Typecho_Widget_Helper_Form $form) { $domainName = new Typecho_Widget_Helper_Form_Element_Text('saestoragedomain', NULL, 'typechoupload', _t('Domain名称'), _t('请您在 Sina App Engine控制面板 中创建Storage的Domain: 名称固定为 typechoupload')); $form->addInput($domainName->addRule(array('SaeUpload_Plugin', 'validateDomainName'), _t('Domain名称错误，或者未上传文件！'))); } /** * 个人用户的配置面板 * * @access public * @param Typecho_Widget_Helper_Form $form * @return void */ public static function personalConfig(Typecho_Widget_Helper_Form $form){} /** * 验证Sina App Engine Storage中DomainName是否存在 * * @access public * @param string $domainName domainName * @return boolean */ public static function validateDomainName($domainName) { return true; /* $stor = new SaeStorage(); $ret = $stor->getFilesNum($domainName); if ($ret) { return true; } else { return false; } */ } /** * 上传文件处理函数 * * @access public * @param array $file 上传的文件 * @return mixed */ public static function uploadHandle($file) { if (empty($file['name'])) { return false; } $fileName = preg_split("(\/|\\|:)", $file['name']); $file['name'] = array_pop($fileName); //获取扩展名 $ext = ''; $part = explode('.', $file['name']); if (($length = count($part)) > 1) { $ext = strtolower($part[$length - 1]); } if (!self::checkFileType($ext)) { return false; } //获取文件名 $fileName = sprintf('%u', crc32(uniqid())) . '.' . $ext; $path = $path . '/' . $fileName;//add for mkdir $stor = new SaeStorage(); $options = Typecho_Widget::widget('Widget_Options'); $SaeStorageDomain = $options->plugin('SaeUpload')->saestoragedomain; if (isset($file['tmp_name'])) { //移动上传文件 if (!$path = $stor->upload($SaeStorageDomain,$fileName,$file['tmp_name'])) { return false; } } else if (isset($file['bits'])) { //直接写入文件 if (!$path = $stor->write($SaeStorageDomain,$fileName,$file['bits'])) { return false; } } else { return false; } if (!isset($file['size'])) { $attr = $stor->getAttr($SaeStorageDomain,$fileName,array('length')); $file['size'] = $attr['length']; } //返回相对存储路径 return array( 'name' => $file['name'], 'path' => $fileName, 'size' => $file['size'], 'type' => $ext, 'mime' => Typecho_Common::mimeContentType($path) ); } /** * 修改文件处理函数 * * @access public * @param array $content 老文件 * @param array $file 新上传的文件 * @return mixed */ public static function modifyHandle($content, $file) { if (empty($file['name'])) { return false; } $fileName = preg_split("(\/|\\|:)", $file['name']); $file['name'] = array_pop($fileName); //获取扩展名 $ext = ''; $part = explode('.', $file['name']); if (($length = count($part)) > 1) { $ext = strtolower($part[$length - 1]); } if ($content['attachment']->type != $ext) { return false; } //获取文件名 $fileName = $content['attachment']->path; $path = $path . '/' . $fileName;//add for mkdir $stor = new SaeStorage(); $options = Typecho_Widget::widget('Widget_Options'); $SaeStorageDomain = $options->plugin('SaeUpload')->saestoragedomain; if (isset($file['tmp_name'])) { //移动上传文件 if (!$path = $stor->upload($SaeStorageDomain,$fileName,$file['tmp_name'])) { return false; } } else if (isset($file['bits'])) { //直接写入文件 if (!$path = $stor->write($SaeStorageDomain,$fileName,$file['bits'])) { return false; } } else { return false; } if (!isset($file['size'])) { $attr = $stor->getAttr($SaeStorageDomain,$fileName,array('length')); $file['size'] = $attr['length']; } //返回相对存储路径 return array( 'name' => $content['attachment']->name, 'path' => $content['attachment']->path, 'size' => $file['size'], 'type' => $content['attachment']->type, 'mime' => $content['attachment']->mime ); } /** * 删除文件 * * @access public * @param array $content 文件相关信息 * @return string */ public static function deleteHandle(array $content) { $stor = new SaeStorage(); $options = Typecho_Widget::widget('Widget_Options'); $SaeStorageDomain = $options->plugin('SaeUpload')->saestoragedomain; return $stor->delete($SaeStorageDomain,$content['attachment']->path); } /** * 获取实际文件绝对访问路径 * * @access public * @param array $content 文件相关信息 * @return string */ public static function attachmentHandle(array $content) { $stor = new SaeStorage(); $options = Typecho_Widget::widget('Widget_Options'); $SaeStorageDomain = $options->plugin('SaeUpload')->saestoragedomain; return $stor->getUrl($SaeStorageDomain,$content['attachment']->path); } /** * 获取实际文件数据 * * @access public * @param array $content * @return string */ public static function attachmentDataHandle(array $content) { $stor = new SaeStorage(); $options = Typecho_Widget::widget('Widget_Options'); $SaeStorageDomain = $options->plugin('SaeUpload')->saestoragedomain; return $stor->read($SaeStorageDomain,$content['attachment']->path); } /** * 检查文件名 * * @access private * @param string $ext 扩展名 * @return boolean */ public static function checkFileType($ext) { $options = Typecho_Widget::widget('Widget_Options'); return in_array($ext, $options->allowedAttachmentTypes); } }