<?php
namespace Cas\Controller;

use KIF\Core\Config;
/**
 * 
 * KindEditor
 * @author lishumingoo@gmail.com
 *
 */
class Kindeditor extends Controller{
	
	private $IMG_UPLOAD_PATH;
	private $IMG_UPLOAD_URL;
	
	public function __construct() {
		header('Content-type: application/json; charset=UTF-8');
		
		include_once Config::getInstance()->get('App_Path') . '/include/JSON.php';
		
		$uploadConfig = Config::getInstance()->get('upload');
		$this->IMG_UPLOAD_PATH = $uploadConfig['path'];
		$this->IMG_UPLOAD_URL = $uploadConfig['url'];
	}
	
	public function doUpdateJson() {
		//文件保存目录路径
		$save_path = $this->IMG_UPLOAD_PATH . '/';
		//文件保存目录URL
		$save_url = $this->IMG_UPLOAD_URL . '/';
		//定义允许上传的文件扩展名
		$ext_arr = array(
				'image' => array('gif', 'jpg', 'jpeg', 'png', 'bmp'),
				'flash' => array('swf', 'flv'),
				'media' => array('swf', 'flv', 'mp3', 'mp4', 'wav', 'wma', 'wmv', 'mid', 'avi', 'mpg', 'amr', 'rm', 'rmvb'),
				'file' => array('doc', 'docx', 'xls', 'xlsx', 'ppt', 'htm', 'html', 'txt', 'zip', 'rar', 'gz', 'bz2'),
				'mp3' => array('mp3'),
		);
		//最大文件大小
		$max_size = 3000000;
		
		$save_path = realpath($save_path) . '/';
		
		//PHP上传失败
		if (!empty($_FILES['imgFile']['error'])) {
			switch($_FILES['imgFile']['error']){
				case '1':
					$error = '超过php.ini允许的大小。';
					break;
				case '2':
					$error = '超过表单允许的大小。';
					break;
				case '3':
					$error = '图片只有部分被上传。';
					break;
				case '4':
					$error = '请选择图片。';
					break;
				case '6':
					$error = '找不到临时目录。';
					break;
				case '7':
					$error = '写文件到硬盘出错。';
					break;
				case '8':
					$error = 'File upload stopped by extension。';
					break;
				case '999':
				default:
					$error = '未知错误。';
			}
			$this->alert($error);
		}
		
		//有上传文件时
		if (empty($_FILES) === false) {
			//原文件名
			$file_name = $_FILES['imgFile']['name'];
			//服务器上临时文件名
			$tmp_name = $_FILES['imgFile']['tmp_name'];
			//文件大小
			$file_size = $_FILES['imgFile']['size'];
			//检查文件名
			if (!$file_name) {
				$this->alert("请选择文件。");
			}
			//检查目录
			if (@is_dir($save_path) === false) {
				$this->alert("上传目录不存在。");
			}
			//检查目录写权限
			if (@is_writable($save_path) === false) {
				$this->alert("上传目录没有写权限。");
			}
			//检查是否已上传
			if (@is_uploaded_file($tmp_name) === false) {
				$this->alert("上传失败。");
			}
			//检查文件大小
			if ($file_size > $max_size) {
				$this->alert("上传文件大小超过限制。");
			}
			//检查目录名
			$dir_name = empty($_GET['dir']) ? 'image' : trim($_GET['dir']);
			if (empty($ext_arr[$dir_name])) {
				$this->alert("目录名不正确。");
			}
			//获得文件扩展名
			$temp_arr = explode(".", $file_name);
			$file_ext = array_pop($temp_arr);
			$file_ext = trim($file_ext);
			$file_ext = strtolower($file_ext);
			//检查扩展名
			if (in_array($file_ext, $ext_arr[$dir_name]) === false) {
				$this->alert("上传文件扩展名是不允许的扩展名。\n只允许" . implode(",", $ext_arr[$dir_name]) . "格式。");
			}
			//创建文件夹
			$ymd = date("Ymd");
			$ymd = date("Y") . '/' . date('md');
			$save_path .= $dir_name . "/" . $ymd . "/";
			$save_url .= $dir_name . "/" . $ymd . "/";
			if (!file_exists($save_path)) {
				if (!mkdir($save_path, 0775, true)) {
					$this->alert("创建目录失败:{$save_path}");
				}
			}
			//新文件名
			$new_file_name = date("His") . '_' . rand(10000, 99999) . '.' . $file_ext;
			//移动文件
			$file_path = $save_path . $new_file_name;
			if (move_uploaded_file($tmp_name, $file_path) === false) {
				$this->alert("上传文件失败。");
			}
			@chmod($file_path, 0777);
			$file_url = $save_url . $new_file_name;
			
			$file_info = getimagesize($file_path);
			$width = $file_info[0];
			$height = $file_info[1];
			
			$json = new \Services_JSON();
			
			if ($_GET['size']) {
				echo $json->encode(array('error' => 0, 'url' => $file_url, 'width' => $width, 'height' => $height));
			} else {
				echo $json->encode(array('error' => 0, 'url' => $file_url));
			}
			
			exit;
		}
	}
	
	public function doFileManagerJson() {
		//根目录路径,可以指定绝对路径,比如 /var/www/attached/
		$root_path = $this->IMG_UPLOAD_PATH . '/';
		//根目录URL,可以指定绝对路径,比如 http://www.yoursite.com/attached/
		$root_url = $this->IMG_UPLOAD_URL . '/';
		//图片扩展名
		$ext_arr = array('gif', 'jpg', 'jpeg', 'png', 'bmp');
		
		//目录名
		$dir_name = empty($_GET['dir']) ? '' : trim($_GET['dir']);
		if (!in_array($dir_name, array('', 'image', 'flash', 'media', 'file'))) {
			echo "Invalid Directory name.";
			exit;
		}
		
		if ($dir_name !== '') {
			$root_path .= $dir_name . "/";
			$root_url .= $dir_name . "/";
			if (!file_exists($root_path)) {
				mkdir($root_path);
			}
		}
		
		//根据path参数,设置各路径和URL
		if (empty($_GET['path'])) {
			$current_path = realpath($root_path) . '/';
			$current_url = $root_url;
			$current_dir_path = '';
			$moveup_dir_path = '';
		} else {
			$current_path = realpath($root_path) . '/' . $_GET['path'];
			$current_url = $root_url . $_GET['path'];
			$current_dir_path = $_GET['path'];
			$moveup_dir_path = preg_replace('/(.*?)[^\/]+\/$/', '$1', $current_dir_path);
		}
		echo realpath($root_path);
		//排序形式,name or size or type
		$order = empty($_GET['order']) ? 'name' : strtolower($_GET['order']);
		
		//不允许使用..移动到上一级目录
		if (preg_match('/\.\./', $current_path)) {
			echo 'Access is not allowed.';
			exit;
		}
		//最后一个字符不是/
		if (!preg_match('/\/$/', $current_path)) {
			echo 'Parameter is not valid.';
			exit;
		}
		//目录不存在或不是目录
		if (!file_exists($current_path) || !is_dir($current_path)) {
			echo 'Directory does not exist.';
			exit;
		}
		
		//遍历目录取得文件信息
		$file_list = array();
		if ($handle = opendir($current_path)) {
			$i = 0;
			while (false !== ($filename = readdir($handle))) {
				if ($filename{0} == '.') continue;
				$file = $current_path . $filename;
				if (is_dir($file)) {
					$file_list[$i]['is_dir'] = true; //是否文件夹
					$file_list[$i]['has_file'] = (count(scandir($file)) > 2); //文件夹是否包含文件
					$file_list[$i]['filesize'] = 0; //文件大小
					$file_list[$i]['is_photo'] = false; //是否图片
					$file_list[$i]['filetype'] = ''; //文件类别,用扩展名判断
				} else {
					$file_list[$i]['is_dir'] = false;
					$file_list[$i]['has_file'] = false;
					$file_list[$i]['filesize'] = filesize($file);
					$file_list[$i]['dir_path'] = '';
					$file_ext = strtolower(pathinfo($file, PATHINFO_EXTENSION));
					$file_list[$i]['is_photo'] = in_array($file_ext, $ext_arr);
					$file_list[$i]['filetype'] = $file_ext;
				}
				$file_list[$i]['filename'] = $filename; //文件名,包含扩展名
				$file_list[$i]['datetime'] = date('Y-m-d H:i:s', filemtime($file)); //文件最后修改时间
				$i++;
			}
			closedir($handle);
		}
		
		//排序
		function cmp_func($a, $b) {
			global $order;
			if ($a['is_dir'] && !$b['is_dir']) {
				return -1;
			} else if (!$a['is_dir'] && $b['is_dir']) {
				return 1;
			} else {
				if ($order == 'size') {
					if ($a['filesize'] > $b['filesize']) {
						return 1;
					} else if ($a['filesize'] < $b['filesize']) {
						return -1;
					} else {
						return 0;
					}
				} else if ($order == 'type') {
					return strcmp($a['filetype'], $b['filetype']);
				} else {
					return strcmp($a['filename'], $b['filename']);
				}
			}
		}
		usort($file_list, 'cmp_func');
		
		$result = array();
		//相对于根目录的上一级目录
		$result['moveup_dir_path'] = $moveup_dir_path;
		//相对于根目录的当前目录
		$result['current_dir_path'] = $current_dir_path;
		//当前目录的URL
		$result['current_url'] = $current_url;
		//文件数
		$result['total_count'] = count($file_list);
		//文件列表数组
		$result['file_list'] = $file_list;
		
		//输出JSON字符串
		$json = new \Services_JSON();
		echo $json->encode($result);
	}
	
	public function alert($msg) {
		$json = new \Services_JSON();
		echo $json->encode(array('error' => 1, 'message' => $msg));
		exit;
	}
}