374 lines
12 KiB
PHP
Executable File
374 lines
12 KiB
PHP
Executable File
<?php
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namespace Library;
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/**
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* Created by JetBrains PhpStorm.
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* User: taoqili
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* Date: 12-7-18
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* Time: 上午11: 32
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* UEditor编辑器通用上传类
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*/
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class Uploader
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{
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private $fileField; //文件域名
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private $file; //文件上传对象
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private $base64; //文件上传对象
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private $config; //配置信息
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private $oriName; //原始文件名
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private $fileName; //新文件名
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private $fullName; //完整文件名,即从当前配置目录开始的URL
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private $filePath; //完整文件名,即从当前配置目录开始的URL
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private $fileSize; //文件大小
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private $fileType; //文件类型
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private $stateInfo; //上传状态信息,
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private $stateMap = array( //上传状态映射表，国际化用户需考虑此处数据的国际化
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"SUCCESS", //上传成功标记，在UEditor中内不可改变，否则flash判断会出错
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"文件大小超出 upload_max_filesize 限制",
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"文件大小超出 MAX_FILE_SIZE 限制",
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"文件未被完整上传",
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"没有文件被上传",
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"上传文件为空",
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"ERROR_TMP_FILE" => "临时文件错误",
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"ERROR_TMP_FILE_NOT_FOUND" => "找不到临时文件",
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"ERROR_SIZE_EXCEED" => "文件大小超出网站限制",
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"ERROR_TYPE_NOT_ALLOWED" => "文件类型不允许",
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"ERROR_CREATE_DIR" => "目录创建失败",
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"ERROR_DIR_NOT_WRITEABLE" => "目录没有写权限",
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"ERROR_FILE_MOVE" => "文件保存时出错",
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"ERROR_FILE_NOT_FOUND" => "找不到上传文件",
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"ERROR_WRITE_CONTENT" => "写入文件内容错误",
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"ERROR_UNKNOWN" => "未知错误",
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"ERROR_DEAD_LINK" => "链接不可用",
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"ERROR_HTTP_LINK" => "链接不是http链接",
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"ERROR_HTTP_CONTENTTYPE" => "链接contentType不正确",
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"INVALID_URL" => "非法 URL",
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"INVALID_IP" => "非法 IP",
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);
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/**
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* 构造函数
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* @param string $fileField 表单名称
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* @param array $config 配置项
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* @param bool $base64 是否解析base64编码，可省略。若开启，则$fileField代表的是base64编码的字符串表单名
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*/
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public function __construct($fileField, $config, $type = "upload")
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{
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$this->fileField = $fileField;
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$this->config = $config;
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$this->type = $type;
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if ($type == "remote") {
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$this->saveRemote();
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} else if($type == "base64") {
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$this->upBase64();
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} else {
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$this->upFile();
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}
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$this->stateMap['ERROR_TYPE_NOT_ALLOWED'] = iconv('unicode', 'utf-8', $this->stateMap['ERROR_TYPE_NOT_ALLOWED']);
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}
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/**
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* 上传文件的主处理方法
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* @return mixed
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*/
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private function upFile()
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{
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$file = $this->file = $_FILES[$this->fileField];
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if (!$file) {
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$this->stateInfo = $this->getStateInfo("ERROR_FILE_NOT_FOUND");
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return;
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}
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if ($this->file['error']) {
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$this->stateInfo = $this->getStateInfo($file['error']);
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return;
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} else if (!file_exists($file['tmp_name'])) {
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$this->stateInfo = $this->getStateInfo("ERROR_TMP_FILE_NOT_FOUND");
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return;
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} else if (!is_uploaded_file($file['tmp_name'])) {
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$this->stateInfo = $this->getStateInfo("ERROR_TMPFILE");
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return;
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}
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$this->oriName = $file['name'];
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$this->fileSize = $file['size'];
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$this->fileType = $this->getFileExt();
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$this->fullName = $this->getFullName();
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$this->filePath = $this->getFilePath();
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$this->fileName = $this->getFileName();
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$dirname = dirname($this->filePath);
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//检查文件大小是否超出限制
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if (!$this->checkSize()) {
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$this->stateInfo = $this->getStateInfo("ERROR_SIZE_EXCEED");
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return;
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}
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//检查是否不允许的文件格式
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if (!$this->checkType()) {
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$this->stateInfo = $this->getStateInfo("ERROR_TYPE_NOT_ALLOWED");
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return;
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}
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//创建目录失败
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if (!file_exists($dirname) && !mkdir($dirname, 0777, true)) {
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$this->stateInfo = $this->getStateInfo("ERROR_CREATE_DIR");
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return;
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} else if (!is_writeable($dirname)) {
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$this->stateInfo = $this->getStateInfo("ERROR_DIR_NOT_WRITEABLE");
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return;
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}
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//移动文件
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if (!(move_uploaded_file($file["tmp_name"], $this->filePath) && file_exists($this->filePath))) { //移动失败
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$this->stateInfo = $this->getStateInfo("ERROR_FILE_MOVE");
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} else { //移动成功
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$this->stateInfo = $this->stateMap[0];
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}
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}
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/**
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* 处理base64编码的图片上传
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* @return mixed
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*/
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private function upBase64()
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{
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$base64Data = $_POST[$this->fileField];
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$img = base64_decode($base64Data);
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$this->oriName = $this->config['oriName'];
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$this->fileSize = strlen($img);
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$this->fileType = $this->getFileExt();
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$this->fullName = $this->getFullName();
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$this->filePath = $this->getFilePath();
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$this->fileName = $this->getFileName();
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$dirname = dirname($this->filePath);
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//检查文件大小是否超出限制
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if (!$this->checkSize()) {
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$this->stateInfo = $this->getStateInfo("ERROR_SIZE_EXCEED");
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return;
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