417 lines
8.7 KiB
PHP
417 lines
8.7 KiB
PHP
<?php
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namespace extend;
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/**
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* 上传控制器
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* @author Administrator
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*
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*/
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class Upload
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{
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/**
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* @var string 错误信息
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*/
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public $error;
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/**
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* @var array 上传规则
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*/
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public $validate = [];
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/**
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* @var array 上传文件信息
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*/
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public $info;
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/**
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* @var string 当前完整文件名
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*/
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protected $filename;
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/**
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* @var array 上传文件信息
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*/
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public function __construct($filename = '')
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{
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$this->filename = $filename;
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}
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/**
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* 设置上传信息
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* @param unknown $filename
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*/
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public function setFilename($filename)
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{
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$this->file = $filename;
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return $this;
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}
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/**
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* 设置上传信息
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* @param array $info
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* @return \util\Upload
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*/
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public function setUploadInfo($info)
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{
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$this->info = $info;
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return $this;
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}
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/**
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* 获取上传文件的信息
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* @access public
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* @param string $name 信息名称
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* @return array|string
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*/
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public function getInfo($name = '')
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{
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return isset($this->info[ $name ]) ? $this->info[ $name ] : $this->info;
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}
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/**
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* 设置文件上传文件的验证规则
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* @param array $rule
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* @return \util\Upload
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*/
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public function setValidate(array $rule = [])
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{
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$this->validate = $rule;
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return $this;
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}
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/**
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* 验证目录是否可写
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* @param unknown $path
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* @return boolean
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*/
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public function checkPath($path)
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{
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if (is_dir($path) || mkdir($path, 0755, true)) {
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return true;
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}
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$this->error = [ 'directory {:path} creation failed', [ 'path' => $path ] ];
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if(!defined("initroute_tag")) exit();
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return false;
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}
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/**
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* 检测是否合法的上传文件
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* @access public
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* @return bool
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*/
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public function isValid()
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{
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return $this->isTest ? is_file($this->filename) : is_uploaded_file($this->filename);
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}
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/**
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* 检测上传文件
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* @access public
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* @param array $rule 验证规则
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* @return bool
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*/
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public function check($rule = [])
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{
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$rule = $this->validate;
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/* 检查文件大小 */
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if (isset($rule['size']) && !$this->checkSize($rule['size'])) {
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$this->error = 'filesize not match';
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return false;
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}
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/* 检查文件 Mime 类型 */
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if (isset($rule['type']) && !$this->checkMime($rule['type'])) {
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$this->error = 'mimetype to upload is not allowed';
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return false;
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}
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/* 检查文件后缀 */
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if (isset($rule['ext']) && !$this->checkExt($rule['ext'])) {
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$this->error = 'extensions to upload is not allowed';
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return false;
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}
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return true;
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}
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/**
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* 检测上传文件大小
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* @access public
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* @param integer $size 最大大小
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* @return bool
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*/
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public function checkSize($size)
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{
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return $this->getFileSize($this->info["tmp_name"]) <= $size;
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}
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/**
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* 检测上传文件类型
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* @access public
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* @param array|string $mime 允许类型
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* @return bool
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*/
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public function getFileSize($filename)
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{
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$filesize = filesize($filename);
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clearstatcache();
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return $filesize;
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}
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/**
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* 获取文件类型
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* @param unknown $filename
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* @return unknown
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*/
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public function getFileType($filename)
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{
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// filetype($filePath);
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$finfo = finfo_open(FILEINFO_MIME_TYPE); // 返回 mime 类型
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$filetype = finfo_file($finfo, $filename);
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finfo_close($finfo);
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return $filetype;
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}
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/**
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* 检测上传文件类型
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* @access public
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* @param array|string $mime 允许类型
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* @return bool
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*/
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public function checkMime($mime)
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{
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$mime = is_string($mime) ? explode(',', $mime) : $mime;
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return in_array(strtolower($this->getFileType($this->info["tmp_name"])), $mime);
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}
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/**
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* 获取文件类型信息
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* @access public
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* @return string
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*/
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public function getMime()
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{
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$finfo = finfo_open(FILEINFO_MIME_TYPE);
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return finfo_file($finfo, $this->filename);
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}
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/**
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* 检测上传文件后缀
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* @access public
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* @param array|string $ext 允许后缀
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* @return bool
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*/
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public function checkExt($ext)
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{
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if (is_string($ext)) {
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$ext = explode(',', $ext);
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}
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$extension = strtolower($this->getFileExt($this->getInfo('name')));
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return in_array($extension, $ext);
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}
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/**
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* 获取文件后缀
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* @param unknown $filename
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* @return mixed
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*/
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public function getFileExt($filename)
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{
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return pathinfo($filename, PATHINFO_EXTENSION);
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}
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/**
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* 移动文件
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* @param unknown $path
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* @param string $savename
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* @param string $replace
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* @return boolean|\util\Upload
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*/
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public function move($path, $savename, $replace = true)
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{
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// 文件上传失败，捕获错误代码
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if (!empty($this->info['error'])) {
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$this->error($this->info['error']);
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return false;
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}
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// 验证上传
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if (!$this->check()) {
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return false;
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}
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$path = rtrim($path, "/") . "/";
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// 文件保存命名规则(有外部传入)
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$filename = $path . $savename;
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// 检测目录
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if (false === $this->checkPath(dirname($filename))) {
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return false;
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}
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// 不覆盖同名文件
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if (!$replace && is_file($filename)) {
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$this->error = [ 'has the same filename: {:filename}', [ 'filename' => $filename ] ];
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return false;
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}
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/* 移动文件 */
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if (!move_uploaded_file($this->filename, $filename)) {
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$this->error = 'upload write error';
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return false;
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}
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return $filename;
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}
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/**
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* 检测图像文件
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* @access public
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* @return bool
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*/
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public function checkImg()
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{
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$extension = strtolower($this->getFileExt($this->getInfo('name')));
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// 如果上传的不是图片，或者是图片而且后缀确实符合图片类型则返回 true
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return !in_array($extension, [ 'gif', 'jpg', 'jpeg', 'bmp', 'png', 'swf' ]) || in_array($this->getImageType($this->filename), [ 1, 2, 3, 4, 6, 13 ]);
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}
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/**
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* 判断图像类型
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* @access protected
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* @param string $image 图片名称
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* @return bool|int
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*/
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protected function getImageType($image)
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{
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if (function_exists('exif_imagetype')) {
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return exif_imagetype($image);
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}
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try {
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$info = getimagesize($image);
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return $info ? $info[2] : false;
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} catch (\Exception $e) {
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return false;
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}
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}
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/**
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* 得到图片mime信息
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* @param unknown $image
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* @return boolean
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*/
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public function getImageInfo($image)
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{
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try {
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$info = getimagesize($image);
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return $info;
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} catch (\Exception $e) {
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return false;
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}
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}
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/**
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*获取一个新文件名
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*/
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public function createNewFileName()
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{
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$name = date('Ymdhis', time())
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. sprintf('%03d', microtime(true) * 1000)
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. sprintf('%02d', mt_rand(10, 99));
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return $name;
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}
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/**
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* 这里$data为一个数组类型
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* $data[0] 为图像的宽度
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* $data[1] 为图像的高度
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* $data[2] 为图像的格式，包括jpg、gif和png等
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* $data[3] 为图像的宽度和高度，内容为 width="xxx" height="yyy"
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*/
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private function getFileSizeData($file_name)
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{
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$data = getimagesize($file_name); // 图片名称
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return $data;
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}
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/**
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* 获取错误信息（支持多语言）
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* @access public
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* @return string
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*/
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public function getError()
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{
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return $this->error;
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}
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/**
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* 获取文件名称
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* @param unknown $file_name
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*/
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public function getFileName($file_name)
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{
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return basename($file_name, "." . $this->getFileExt($file_name));
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}
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/**
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* 获取错误代码信息
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* @access private
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* @param int $errorNo 错误号
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* @return $this
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*/
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private function error($errorNo)
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{
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switch ($errorNo) {
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case 1:
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case 2:
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$this->error = 'upload File size exceeds the maximum value';
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break;
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case 3:
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$this->error = 'only the portion of file is uploaded';
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break;
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case 4:
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$this->error = 'no file to uploaded';
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break;
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case 6:
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$this->error = 'upload temp dir not found';
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break;
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case 7:
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$this->error = 'file write error';
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break;
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default:
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$this->error = 'unknown upload error';
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}
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return $this;
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}
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/**
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* @param $path
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* @return bool
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*/
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public function checkAll($path, $savename){
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// 文件上传失败，捕获错误代码
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if (!empty($this->info['error'])) {
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$this->error($this->info['error']);
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return false;
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}
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// 验证上传
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if (!$this->check()) {
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return false;
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}
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$path = rtrim($path, "/") . "/";
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// 文件保存命名规则(有外部传入)
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$filename = $path . $savename;
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// 检测目录
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if (false === $this->checkPath(dirname($filename))) {
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return false;
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}
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return true;
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}
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} |