<?php
/**
 * 又拍云（UpYun）文件管理 Modified by <a href="https://blog.sspirits.top">SSpirits</a>
 *
 * @package UpyunFile
 * @author SSpirits,Ryan,codesee
 * @version 1.0.4
 * @link https://blog.sspirits.top
 * @dependence 1.0-*
 * @date 2019-5-10
 */

use Upyun\Config;
use Upyun\Upyun;

class UpyunFile_Plugin implements Typecho_Plugin_Interface {

    //上传文件目录
    const UPLOAD_DIR = '/typecho/uploads';
    const IMG_EXT = ['JPG', 'JPEG', 'PNG', 'BMP'];

    /**
     * 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('UpyunFile_Plugin', 'uploadHandle');
        Typecho_Plugin::factory('Widget_Upload')->modifyHandle = array('UpyunFile_Plugin', 'modifyHandle');
        Typecho_Plugin::factory('Widget_Upload')->deleteHandle = array('UpyunFile_Plugin', 'deleteHandle');
        Typecho_Plugin::factory('Widget_Upload')->attachmentHandle = array('UpyunFile_Plugin', 'attachmentHandle');
        Typecho_Plugin::factory('Widget_Upload')->attachmentDataHandle = array('UpyunFile_Plugin', 'attachmentDataHandle');
        Typecho_Plugin::factory('Widget_Abstract_Contents')->contentEx = array('UpyunFile_Plugin', 'replace');
        Typecho_Plugin::factory('Widget_Archive')->beforeRender = array('UpyunFile_Plugin', 'Widget_Archive_beforeRender');
        return _t('插件已经激活，请正确设置插件');
    }

    /**
     * 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() {
        return _t('插件已被禁用');
    }

    /**
     * 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) {
        $convert = new Typecho_Widget_Helper_Form_Element_Radio('convert', array('1' => _t('开启'), '0' => _t('关闭')), '0', _t('图片链接修改'), _t('把文章中图片的链接修改为又拍云 CDN 链接，启用前请把放在 typecho 上传目录中的图片同步到又拍云中'));
        $form->addInput($convert);
        $upyundomain = new Typecho_Widget_Helper_Form_Element_Text('upyundomain', NULL, 'https://', _t('绑定域名：'), _t('该绑定域名为绑定Upyun服务的域名，由Upyun提供，注意以 http(s):// 开头，最后不要加 /'));
        $form->addInput($upyundomain->addRule('required', _t('您必须填写绑定域名，它是由 Upyun 提供')));

        $upyunpathmode = new Typecho_Widget_Helper_Form_Element_Radio(
            'mode',
            array('typecho' => _t('Typecho结构(' . self::getUploadDir() . '/年/月/文件名)'), 'simple' => _t('精简结构(/年/月/文件名)')),
            'typecho',
            _t('目录结构模式'),
            _t('默认为 Typecho 结构模式')
        );

        $form->addInput($upyunpathmode);

        $upyunhost = new Typecho_Widget_Helper_Form_Element_Text('upyunhost', NULL, NULL, _t('服务名称：'));
        $upyunhost->input->setAttribute('class', 'mini');
        $form->addInput($upyunhost->addRule('required', _t('您必须填写服务名称，它是由Upyun提供')));

        $upyunuser = new Typecho_Widget_Helper_Form_Element_Text('upyunuser', NULL, NULL, _t('操作员：'));
        $upyunuser->input->setAttribute('class', 'mini');
        $form->addInput($upyunuser->addRule('required', _t('您必须填写操作员，它是由 Upyun 提供')));

        $upyunpwd = new Typecho_Widget_Helper_Form_Element_Password('upyunpwd', NULL, NULL, _t('密码：'));
        $form->addInput($upyunpwd->addRule('required', _t('您必须填写密码，它是由 Upyun 提供'))
            ->addRule(array('UpyunFile_Plugin', 'validate'), _t('验证不通过，请核对 Upyun 操作员和密码是否输入正确')));

        $convertPic = new Typecho_Widget_Helper_Form_Element_Radio('convertPic', array('1' => _t('开启'), '0' => _t('关闭')), '0', _t('又拍云图片处理'), _t('启用本功能需在又拍云控制台中创建缩略图版本，又拍云文档：<a href="https://help.upyun.com/knowledge-base/image/#thumb">https://help.upyun.com/knowledge-base/image/#thumb</a><br>本功能不会处理带有后缀 <b>_nothumb</b> 的图片（比如：example_nothumb.png）'));
        $form->addInput($convertPic);

        $thumbId = new Typecho_Widget_Helper_Form_Element_Text('thumbId', NULL, NULL, _t('图片处理 - 缩略图版本名称：'), _t('启用又拍云图片处理必须正确填写缩略图版本名称'));
        $thumbId->input->setAttribute('class', 'mini');
        $form->addInput($thumbId);

        $outputFormat = new Typecho_Widget_Helper_Form_Element_Text('outputFormat', NULL, NULL, _t('图片处理 - 转码输出格式：'), _t('如：jpg、png、webp 等，不填即为源文件拓展名'));
        $outputFormat->input->setAttribute('class', 'mini');
        $form->addInput($outputFormat);

        $addToken = new Typecho_Widget_Helper_Form_Element_Radio('addToken', array('1' => _t('开启'), '0' => _t('关闭')), '0', _t('又拍云 Token 防盗链'), _t('启用本功能需在又拍云控制台中启用 Token 防盗链'));
        $form->addInput($addToken);

        $secret = new Typecho_Widget_Helper_Form_Element_Password('secret', NULL, NULL, _t('密钥'), _t('启用又拍云 Token 防盗链必须正确填写又拍云控制台中设置的密钥'));
        $form->addInput($secret);

        $etime = new Typecho_Widget_Helper_Form_Element_Text('etime', NULL, NULL, _t('签名过期时间'), _t('单位为秒'));
        $etime->input->setAttribute('class', 'mini');
        $form->addInput($etime);
    }

    /**
     * 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) {
    }

    /**
     * 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;
        }

        //获取扩展名
        $ext = self::getSafeName($file['name']);

        if (!Widget_Upload::checkFileType($ext) || Typecho_Common::isAppEngine()) {
            return false;
        }

        $options = Typecho_Widget::widget('Widget_Options');

        $date = new Typecho_Date($options->gmtTime);

        //构建路径 /year/month/
        $path = '/' . $date->year . '/' . $date->month;
        $settings = $options->plugin('UpyunFile');
        $thumbId = '';
        if ($settings->mode === 'typecho') {
            $path = self::getUploadDir() . $path;
        }

        $nothumb = strpos($file['name'], '_nothumb') !== false;
        //获取文件名及文件路径
        if (!$nothumb && !empty($settings->convertPic) && !empty($settings->outputFormat)) {
            foreach (self::IMG_EXT as $item) {
                if (strcasecmp($ext, $item) == 0) {
                    $ext = $settings->outputFormat;
                    $thumbId = $settings->thumbId;
                    break;
                }
            }
        }
        $fileName = sprintf('%u', crc32(uniqid())) . ".$ext";
        $path = $path . '/' . $fileName;

        $uploadfile = self::getUploadFile($file);

        if (!isset($uploadfile)) {
            return false;
        }

        //上传文件
        $upyun = self::upyunInit();
        $fh = fopen($uploadfile, 'rb');
        if ($nothumb || empty($thumbId)) {
            $upyun->write($path, $fh);
        } else {
            $upyun->write($path, $fh, array('x-gmkerl-thumb' => $settings->thumbId));
        }
        @fclose($fh);

        if (!isset($file['size'])) {
            $fileInfo = $upyun->info($path);
            $file['size'] = $fileInfo['x-upyun-file-size'];
        }

        //返回相对存储路径
        return array(
            'name' => $nothumb || empty($settings->outputFormat) ? $file['name'] : substr($file['name'], 0, strrpos($file['name'], '.') + 1) . $ext,
            'path' => $path,
            'size' => $file['size'],
            'type' => $ext,
            'mime' => self::mimeContentType($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;
        }

        //获取扩展名
        $ext = self::getSafeName($file['name']);

        if ($content['attachment']->type !== $ext || Typecho_Common::isAppEngine()) {
            return false;
        }

        //获取文件路径
        $path = $content['attachment']->path;

        $uploadfile = self::getUploadFile($file);

        if (!isset($uploadfile)) {
            return false;
        }
        //修改文件
        $settings = Typecho_Widget::widget('Widget_Options')->plugin('UpyunFile');
        $upyun = self::upyunInit();
        $thumbId = '';
        $nothumb = strpos($file['name'], '_nothumb') !== false;
        if (!$nothumb && !empty($settings->convertPic) && !empty($settings->outputFormat)) {
            foreach (self::IMG_EXT as $item) {
                if (strcasecmp($ext, $item) == 0) {
                    $thumbId = $settings->thumbId;
                    break;
                }
            }
        }
        $fh = fopen($uploadfile, 'rb');
        if ($nothumb && empty($thumbId)) {
            $upyun->write($path, $fh);
        } else {
            $upyun->write($path, $fh, array('x-gmkerl-thumb' => $settings->thumbId));
        }
        @fclose($fh);

        if (!isset($file['size'])) {
            $fileInfo = $upyun->info($path);
            $file['size'] = $fileInfo['x-upyun-file-size'];
        }

        //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) {
        $upyun = self::upyunInit();
        $path = $content['attachment']->path;

        return $upyun->delete($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) {
        $settings = Typecho_Widget::widget('Widget_Options')->plugin('UpyunFile');
        $domain = $settings->upyundomain;
        $url = Typecho_Common::url($content['attachment']->path, $domain);
        if ($settings->addToken != 1) {
            return $url;
        }
        $etime = self::getEtime($settings->etime);
        $sign = substr(md5($settings->secret . '&' . $etime . '&' . parse_url($url, PHP_URL_PATH)), 12, 8) . $etime;
        return self::addParameter($url, '_upt', $sign);
    }

    /**
     * 获取实际文件数据
     *
     * @access public
     * @param array $content
     * @return string
     */
    public static function attachmentDataHandle(array $content) {
        $upyun = self::upyunInit();
        return $upyun->info($content['attachment']->path);
    }

    /**
     * 验证Upyun签名
     *
     * @access public
     *
     * @return boolean
     */
    public static function validate() {
        $host = Typecho_Request::getInstance()->upyunhost;
        $user = Typecho_Request::getInstance()->upyunuser;
        $pwd = Typecho_Request::getInstance()->upyunpwd;

        try {
            require_once 'Upyun/vendor/autoload.php';
            $serviceConfig = new Config($host, $user, $pwd);
            $upyun = new Upyun($serviceConfig);
            $hostUsage = (int)$upyun->usage();
        } catch (Exception $e) {
            $hostUsage = -1;
        }

        return $hostUsage >= 0;
    }

    /**
     * Upyun初始化
     *
     * @access public
     * @return object
     */
    public static function upyunInit() {
        $options = Typecho_Widget::widget('Widget_Options')->plugin('UpyunFile');
        require_once 'Upyun/vendor/autoload.php';
        $serviceConfig = new Config($options->upyunhost, $options->upyunuser, $options->upyunpwd);
        return new Upyun($serviceConfig);
    }

    /**
     * 获取上传文件
     *
     * @param array $file 上传的文件
     * @access private
     * @return string
     */
    private static function getUploadFile($file) {
        return isset($file['tmp_name']) ? $file['tmp_name'] : (isset($file['bytes']) ? $file['bytes'] : (isset($file['bits']) ? $file['bits'] : ''));
    }

    /**
     * 获取安全的文件名
     *
     * @param string $name
     * @static
     * @access private
     * @return string
     */
    private static function getSafeName(&$name) {
        $name = str_replace(array('\\', '"', '<', '>'), '/', $name);
        $name = false === strpos($name, '/') ? ('a' . $name) : str_replace('/', '/a', $name);
        $info = pathinfo($name);
        $name = substr($info['basename'], 1);

        return isset($info['extension']) ? strtolower($info['extension']) : '';
    }

    /**
     *获取文件上传目录
     * @access private
     * @return string
     */
    private static function getUploadDir() {
        if (defined('__TYPECHO_UPLOAD_DIR__')) {
            return __TYPECHO_UPLOAD_DIR__;
        }
        return self::UPLOAD_DIR;
    }

    /**
     *获取文件Mime类型，处理掉异常
     * @access private
     * @return string
     */
    private static function mimeContentType($fileName) {
        //TODO:避免该方法
        //避免Typecho mime-content-type引发的异常
        /*异常详情：
        *Warning</b>:  mime_content_type(/path/filename.jpg) [<a href='function.mime-content-type'>function.mime-content-type</a>]:
        *failed to open stream: No such file or directory in <b>/webroot/var/Typecho/Common.php</b> on line <b>1058</b>
        */
        @$mime = Typecho_Common::mimeContentType($fileName);

        if (!$mime) {
            return self::getMime($fileName);
        }
        return $mime;
    }

    /**
     *获取文件Mime类型
     * @access private
     * @return string
     */
    private static function getMime($fileName) {
        $mimeTypes = array(
            'ez' => 'application/andrew-inset',
            'csm' => 'application/cu-seeme',
            'cu' => 'application/cu-seeme',
            'tsp' => 'application/dsptype',
            'spl' => 'application/x-futuresplash',
            'hta' => 'application/hta',
            'cpt' => 'image/x-corelphotopaint',
            'hqx' => 'application/mac-binhex40',
            'nb' => 'application/mathematica',
            'mdb' => 'application/msaccess',
            'doc' => 'application/msword',
            'dot' => 'application/msword',
            'bin' => 'application/octet-stream',
            'oda' => 'application/oda',
            'ogg' => 'application/ogg',
            'prf' => 'application/pics-rules',
            'key' => 'application/pgp-keys',
            'pdf' => 'application/pdf',
            'pgp' => 'application/pgp-signature',
            'ps' => 'application/postscript',
            'ai' => 'application/postscript',
            'eps' => 'application/postscript',
            'rss' => 'application/rss+xml',
            'rtf' => 'text/rtf',
            'smi' => 'application/smil',
            'smil' => 'application/smil',
            'wp5' => 'application/wordperfect5.1',
            'xht' => 'application/xhtml+xml',
            'xhtml' => 'application/xhtml+xml',
            'zip' => 'application/zip',
            'cdy' => 'application/vnd.cinderella',
            'mif' => 'application/x-mif',
            'xls' => 'application/vnd.ms-excel',
            'xlb' => 'application/vnd.ms-excel',
            'cat' => 'application/vnd.ms-pki.seccat',
            'stl' => 'application/vnd.ms-pki.stl',
            'ppt' => 'application/vnd.ms-powerpoint',
            'pps' => 'application/vnd.ms-powerpoint',
            'pot' => 'application/vnd.ms-powerpoint',
            'sdc' => 'application/vnd.stardivision.calc',
            'sda' => 'application/vnd.stardivision.draw',
            'sdd' => 'application/vnd.stardivision.impress',
            'sdp' => 'application/vnd.stardivision.impress',
            'smf' => 'application/vnd.stardivision.math',
            'sdw' => 'application/vnd.stardivision.writer',
            'vor' => 'application/vnd.stardivision.writer',
            'sgl' => 'application/vnd.stardivision.writer-global',
            'sxc' => 'application/vnd.sun.xml.calc',
            'stc' => 'application/vnd.sun.xml.calc.template',
            'sxd' => 'application/vnd.sun.xml.draw',
            'std' => 'application/vnd.sun.xml.draw.template',
            'sxi' => 'application/vnd.sun.xml.impress',
            'sti' => 'application/vnd.sun.xml.impress.template',
            'sxm' => 'application/vnd.sun.xml.math',
            'sxw' => 'application/vnd.sun.xml.writer',
            'sxg' => 'application/vnd.sun.xml.writer.global',
            'stw' => 'application/vnd.sun.xml.writer.template',
            'sis' => 'application/vnd.symbian.install',
            'wbxml' => 'application/vnd.wap.wbxml',
            'wmlc' => 'application/vnd.wap.wmlc',
            'wmlsc' => 'application/vnd.wap.wmlscriptc',
            'wk' => 'application/x-123',
            'dmg' => 'application/x-apple-diskimage',
            'bcpio' => 'application/x-bcpio',
            'torrent' => 'application/x-bittorrent',
            'cdf' => 'application/x-cdf',
            'vcd' => 'application/x-cdlink',
            'pgn' => 'application/x-chess-pgn',
            'cpio' => 'application/x-cpio',
            'csh' => 'text/x-csh',
            'deb' => 'application/x-debian-package',
            'dcr' => 'application/x-director',
            'dir' => 'application/x-director',
            'dxr' => 'application/x-director',
            'wad' => 'application/x-doom',
            'dms' => 'application/x-dms',
            'dvi' => 'application/x-dvi',
            'pfa' => 'application/x-font',
            'pfb' => 'application/x-font',
            'gsf' => 'application/x-font',
            'pcf' => 'application/x-font',
            'pcf.Z' => 'application/x-font',
            'gnumeric' => 'application/x-gnumeric',
            'sgf' => 'application/x-go-sgf',
            'gcf' => 'application/x-graphing-calculator',
            'gtar' => 'application/x-gtar',
            'tgz' => 'application/x-gtar',
            'taz' => 'application/x-gtar',
            'gz' => 'application/x-gtar',
            'hdf' => 'application/x-hdf',
            'phtml' => 'application/x-httpd-php',
            'pht' => 'application/x-httpd-php',
            'php' => 'application/x-httpd-php',
            'phps' => 'application/x-httpd-php-source',
            'php3' => 'application/x-httpd-php3',
            'php3p' => 'application/x-httpd-php3-preprocessed',
            'php4' => 'application/x-httpd-php4',
            'ica' => 'application/x-ica',
            'ins' => 'application/x-internet-signup',
            'isp' => 'application/x-internet-signup',
            'iii' => 'application/x-iphone',
            'jar' => 'application/x-java-archive',
            'jnlp' => 'application/x-java-jnlp-file',
            'ser' => 'application/x-java-serialized-object',
            'class' => 'application/x-java-vm',
            'js' => 'application/x-javascript',
            'chrt' => 'application/x-kchart',
            'kil' => 'application/x-killustrator',
            'kpr' => 'application/x-kpresenter',
            'kpt' => 'application/x-kpresenter',
            'skp' => 'application/x-koan',
            'skd' => 'application/x-koan',
            'skt' => 'application/x-koan',
            'skm' => 'application/x-koan',
            'ksp' => 'application/x-kspread',
            'kwd' => 'application/x-kword',
            'kwt' => 'application/x-kword',
            'latex' => 'application/x-latex',
            'lha' => 'application/x-lha',
            'lzh' => 'application/x-lzh',
            'lzx' => 'application/x-lzx',
            'frm' => 'application/x-maker',
            'maker' => 'application/x-maker',
            'frame' => 'application/x-maker',
            'fm' => 'application/x-maker',
            'fb' => 'application/x-maker',
            'book' => 'application/x-maker',
            'fbdoc' => 'application/x-maker',
            'wmz' => 'application/x-ms-wmz',
            'wmd' => 'application/x-ms-wmd',
            'com' => 'application/x-msdos-program',
            'exe' => 'application/x-msdos-program',
            'bat' => 'application/x-msdos-program',
            'dll' => 'application/x-msdos-program',
            'msi' => 'application/x-msi',
            'nc' => 'application/x-netcdf',
            'pac' => 'application/x-ns-proxy-autoconfig',
            'nwc' => 'application/x-nwc',
            'o' => 'application/x-object',
            'oza' => 'application/x-oz-application',
            'pl' => 'application/x-perl',
            'pm' => 'application/x-perl',
            'p7r' => 'application/x-pkcs7-certreqresp',
            'crl' => 'application/x-pkcs7-crl',
            'qtl' => 'application/x-quicktimeplayer',
            'rpm' => 'audio/x-pn-realaudio-plugin',
            'shar' => 'application/x-shar',
            'swf' => 'application/x-shockwave-flash',
            'swfl' => 'application/x-shockwave-flash',
            'sh' => 'text/x-sh',
            'sit' => 'application/x-stuffit',
            'sv4cpio' => 'application/x-sv4cpio',
            'sv4crc' => 'application/x-sv4crc',
            'tar' => 'application/x-tar',
            'tcl' => 'text/x-tcl',
            'tex' => 'text/x-tex',
            'gf' => 'application/x-tex-gf',
            'pk' => 'application/x-tex-pk',
            'texinfo' => 'application/x-texinfo',
            'texi' => 'application/x-texinfo',
            '~' => 'application/x-trash',
            '%' => 'application/x-trash',
            'bak' => 'application/x-trash',
            'old' => 'application/x-trash',
            'sik' => 'application/x-trash',
            't' => 'application/x-troff',
            'tr' => 'application/x-troff',
            'roff' => 'application/x-troff',
            'man' => 'application/x-troff-man',
            'me' => 'application/x-troff-me',
            'ms' => 'application/x-troff-ms',
            'ustar' => 'application/x-ustar',
            'src' => 'application/x-wais-source',
            'wz' => 'application/x-wingz',
            'crt' => 'application/x-x509-ca-cert',
            'fig' => 'application/x-xfig',
            'au' => 'audio/basic',
            'snd' => 'audio/basic',
            'mid' => 'audio/midi',
            'midi' => 'audio/midi',
            'kar' => 'audio/midi',
            'mpga' => 'audio/mpeg',
            'mpega' => 'audio/mpeg',
            'mp2' => 'audio/mpeg',
            'mp3' => 'audio/mpeg',
            'm3u' => 'audio/x-mpegurl',
            'sid' => 'audio/prs.sid',
            'aif' => 'audio/x-aiff',
            'aiff' => 'audio/x-aiff',
            'aifc' => 'audio/x-aiff',
            'gsm' => 'audio/x-gsm',
            'wma' => 'audio/x-ms-wma',
            'wax' => 'audio/x-ms-wax',
            'ra' => 'audio/x-realaudio',
            'rm' => 'audio/x-pn-realaudio',
            'ram' => 'audio/x-pn-realaudio',
            'pls' => 'audio/x-scpls',
            'sd2' => 'audio/x-sd2',
            'wav' => 'audio/x-wav',
            'pdb' => 'chemical/x-pdb',
            'xyz' => 'chemical/x-xyz',
            'bmp' => 'image/x-ms-bmp',
            'gif' => 'image/gif',
            'ief' => 'image/ief',
            'jpeg' => 'image/jpeg',
            'jpg' => 'image/jpeg',
            'jpe' => 'image/jpeg',
            'pcx' => 'image/pcx',
            'png' => 'image/png',
            'svg' => 'image/svg+xml',
            'svgz' => 'image/svg+xml',
            'tiff' => 'image/tiff',
            'tif' => 'image/tiff',
            'wbmp' => 'image/vnd.wap.wbmp',
            'ras' => 'image/x-cmu-raster',
            'cdr' => 'image/x-coreldraw',
            'pat' => 'image/x-coreldrawpattern',
            'cdt' => 'image/x-coreldrawtemplate',
            'djvu' => 'image/x-djvu',
            'djv' => 'image/x-djvu',
            'ico' => 'image/x-icon',
            'art' => 'image/x-jg',
            'jng' => 'image/x-jng',
            'psd' => 'image/x-photoshop',
            'pnm' => 'image/x-portable-anymap',
            'pbm' => 'image/x-portable-bitmap',
            'pgm' => 'image/x-portable-graymap',
            'ppm' => 'image/x-portable-pixmap',
            'rgb' => 'image/x-rgb',
            'xbm' => 'image/x-xbitmap',
            'xpm' => 'image/x-xpixmap',
            'xwd' => 'image/x-xwindowdump',
            'igs' => 'model/iges',
            'iges' => 'model/iges',
            'msh' => 'model/mesh',
            'mesh' => 'model/mesh',
            'silo' => 'model/mesh',
            'wrl' => 'x-world/x-vrml',
            'vrml' => 'x-world/x-vrml',
            'csv' => 'text/comma-separated-values',
            'css' => 'text/css',
            '323' => 'text/h323',
            'htm' => 'text/html',
            'html' => 'text/html',
            'uls' => 'text/iuls',
            'mml' => 'text/mathml',
            'asc' => 'text/plain',
            'txt' => 'text/plain',
            'text' => 'text/plain',
            'diff' => 'text/plain',
            'rtx' => 'text/richtext',
            'sct' => 'text/scriptlet',
            'wsc' => 'text/scriptlet',
            'tm' => 'text/texmacs',
            'ts' => 'text/texmacs',
            'tsv' => 'text/tab-separated-values',
            'jad' => 'text/vnd.sun.j2me.app-descriptor',
            'wml' => 'text/vnd.wap.wml',
            'wmls' => 'text/vnd.wap.wmlscript',
            'xml' => 'text/xml',
            'xsl' => 'text/xml',
            'h++' => 'text/x-c++hdr',
            'hpp' => 'text/x-c++hdr',
            'hxx' => 'text/x-c++hdr',
            'hh' => 'text/x-c++hdr',
            'c++' => 'text/x-c++src',
            'cpp' => 'text/x-c++src',
            'cxx' => 'text/x-c++src',
            'cc' => 'text/x-c++src',
            'h' => 'text/x-chdr',
            'c' => 'text/x-csrc',
            'java' => 'text/x-java',
            'moc' => 'text/x-moc',
            'p' => 'text/x-pascal',
            'pas' => 'text/x-pascal',
            '***' => 'text/x-pcs-***',
            'shtml' => 'text/x-server-parsed-html',
            'etx' => 'text/x-setext',
            'tk' => 'text/x-tcl',
            'ltx' => 'text/x-tex',
            'sty' => 'text/x-tex',
            'cls' => 'text/x-tex',
            'vcs' => 'text/x-vcalendar',
            'vcf' => 'text/x-vcard',
            'dl' => 'video/dl',
            'fli' => 'video/fli',
            'gl' => 'video/gl',
            'mpeg' => 'video/mpeg',
            'mpg' => 'video/mpeg',
            'mpe' => 'video/mpeg',
            'qt' => 'video/quicktime',
            'mov' => 'video/quicktime',
            'mxu' => 'video/vnd.mpegurl',
            'dif' => 'video/x-dv',
            'dv' => 'video/x-dv',
            'lsf' => 'video/x-la-asf',
            'lsx' => 'video/x-la-asf',
            'mng' => 'video/x-mng',
            'asf' => 'video/x-ms-asf',
            'asx' => 'video/x-ms-asf',
            'wm' => 'video/x-ms-wm',
            'wmv' => 'video/x-ms-wmv',
            'wmx' => 'video/x-ms-wmx',
            'wvx' => 'video/x-ms-wvx',
            'avi' => 'video/x-msvideo',
            'movie' => 'video/x-sgi-movie',
            'ice' => 'x-conference/x-cooltalk',
            'vrm' => 'x-world/x-vrml',
            'rar' => 'application/x-rar-compressed',
            'cab' => 'application/vnd.ms-cab-compressed'
        );

        $part = explode('.', $fileName);
        $size = count($part);

        if ($size > 1) {
            $ext = $part[$size - 1];
            if (isset($mimeTypes[$ext])) {
                return $mimeTypes[$ext];
            }
        }

        return 'application/octet-stream';
    }

    /**
     * 图片链接软修改
     *
     * @access public
     * @param $content
     * @param $class
     * @return $content
     */
    public static function replace($text, $widget, $lastResult) {
        $text = empty($lastResult) ? $text : $lastResult;
        $options = Typecho_Widget::widget('Widget_Options');
        $settings = $options->plugin('UpyunFile');
        if ($settings->convert == 1) {
            if (($widget instanceof Widget_Archive) || ($widget instanceof Widget_Abstract_Comments)) {
                preg_match_all('/<img[^>]*src=[\'"]?([^>\'"\s]*)[\'"]?[^>]*>/i', $text, $matches);
                if ($matches) {
                    foreach ($matches[1] as $val) {
                        if (strpos($val, rtrim($options->siteUrl, '/')) !== false) {
                            if ($settings->mode === 'typecho') {
                                $text = str_replace(rtrim($options->siteUrl, '/') . '/usr/uploads', $settings->upyundomain . self::getUploadDir(), $text);
                            } else {
                                $text = str_replace(rtrim($options->siteUrl, '/') . '/usr/uploads', $settings->upyundomain, $text);
                            }
                        }
                    }
                }
            }
        }
        return $text;
    }

    public static function Widget_Archive_beforeRender() {
        ob_start('UpyunFile_Plugin::beforeRender');
    }

    public static function addParameter($url, $key, $val) {
        $query = parse_url($url, PHP_URL_QUERY);
        if (!empty($query)) {
            if (strpos($query, $key) === false) {
                $url .= "&$key=$val";
            } else {
                $url = substr($url, 0, -1 * strlen($query));
                $url .= preg_replace('/(.+?)=([^&?]*)/', "$key=$val", $query);
            }
        } else {
            $url .= "?$key=$val";
        }
        return $url;
    }

    public static function getEtime($timeout) {
        static $isFirst = true;
        if (isset($_COOKIE["upyun_token_etime"]) && $_COOKIE["upyun_token_etime"] - time() > 120) {
            return $etime = $_COOKIE["upyun_token_etime"];
        }
        $etime = time() + $timeout;
        if ($isFirst) {
            setcookie("upyun_token_etime", $etime);
            $isFirst = false;
        }
        return $etime;
    }

    public static function beforeRender($text) {
        $settings = Typecho_Widget::widget('Widget_Options')->plugin('UpyunFile');
        if ($settings->addToken == 1) {
            return preg_replace_callback(
                '/https?:\/\/[-A-Za-z0-9+&@#\/\%?=~_|!:,.;]+[-A-Za-z0-9+&@#\/\%=~_|]/i',
                function ($matches) use ($settings) {
                    $etime = self::getEtime($settings->etime);
                    $url = $matches[0];
                    if (strpos($url, $settings->upyundomain) !== false) {
                        $sign = substr(md5($settings->secret . '&' . $etime . '&' . parse_url($url, PHP_URL_PATH)), 12, 8) . $etime;
                        $url = self::addParameter($url, '_upt', $sign);
                    }
                    return $url;
                },
                $text
            );
        }
        return $text;
    }
}