Revision: 1497
Author: [email protected]
Date: Sun Nov 6 08:32:13 2011
Log: 提交Sina App Engine专用的文件上传插件，
使用SAE的Storage做持久化存储。
http://code.google.com/p/typecho/source/detail?r=1497
Added:
/trunk/usr/plugins/SaeUpload
/trunk/usr/plugins/SaeUpload/Plugin.php
=======================================
--- /dev/null
+++ /trunk/usr/plugins/SaeUpload/Plugin.php Sun Nov 6 08:32:13 2011
@@ -0,0 +1,270 @@
+<?php
+/**
+ * <a href="http://sae.sina.com.cn"; target="_blank">Sina App Engine</a>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/487.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 <a
href="http://sae.sina.com.cn/?m=storage&app_id='.$_SERVER['HTTP_APPNAME'].'"
target="_blank">Sina App Engine控制面板</a> 中创建Storage的Domain: 名称固定
为 <strong>typechoupload</strong>');
+ }
+
+ /**
+ * 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)
+ {
+ $domainName = new
Typecho_Widget_Helper_Form_Element_Text('saestoragedomain',
NULL, 'typechoupload',
+ _t('Domain名称'), _t('请您在 <a
href="http://sae.sina.com.cn/?m=storage&app_id='.$_SERVER['HTTP_APPNAME'].'"
target="_blank">Sina App Engine控制面板</a> 中创建Storage的Domain: 名称固定
为 <strong>typechoupload</strong>'));
+
$form->addInput($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);
+ }
+}
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