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根目录下/extend/org中的UeditorUpload.php文件 ~~~ <?php namespace org; class UeditorUpload { private $fileField; //文件域名 private $file; //文件上传对象 private $base64; //文件上传对象 private $config; //配置信息 private $oriName; //原始文件名 private $fileName; //新文件名 private $fullName; //完整文件名,即从当前配置目录开始的URL private $filePath; //完整文件名,即从当前配置目录开始的URL private $fileSize; //文件大小 private $fileType; //文件类型 private $stateInfo; //上传状态信息, private $stateMap = [ //上传状态映射表,国际化用户需考虑此处数据的国际化 "SUCCESS", //上传成功标记,在UEditor中内不可改变,否则flash判断会出错 "文件大小超出 upload_max_filesize 限制", "文件大小超出 MAX_FILE_SIZE 限制", "文件未被完整上传", "没有文件被上传", "上传文件为空", "ERROR_TMP_FILE" => "临时文件错误", "ERROR_TMP_FILE_NOT_FOUND" => "找不到临时文件", "ERROR_SIZE_EXCEED" => "文件大小超出网站限制", "ERROR_TYPE_NOT_ALLOWED" => "文件类型不允许", "ERROR_CREATE_DIR" => "目录创建失败", "ERROR_DIR_NOT_WRITEABLE" => "目录没有写权限", "ERROR_FILE_MOVE" => "文件保存时出错", "ERROR_FILE_NOT_FOUND" => "找不到上传文件", "ERROR_WRITE_CONTENT" => "写入文件内容错误", "ERROR_UNKNOWN" => "未知错误", "ERROR_DEAD_LINK" => "链接不可用", "ERROR_HTTP_LINK" => "链接不是http链接", "ERROR_HTTP_CONTENTTYPE" => "链接contentType不正确", "INVALID_URL" => "非法 URL", "INVALID_IP" => "非法 IP" ]; /** * 构造函数 * Uploader constructor. * @param string $fileField 表单名称 * @param array $config 配置项 * @param string $base64 是否解析base64编码,可省略。若开启,则$fileField代表的是base64编码的字符串表单名 */ public function __construct($fileField, $config, $base64 = "upload") { $this->fileField = $fileField; $this->config = $config; $this->base64 = $base64; if ($base64 == "remote") { $this->saveRemote(); } else if ($base64 == "base64") { $this->upBase64(); } else { $this->upFile(); } } /** * 上传文件的主处理方法 * @return mixed */ private function upFile() { if (!isset($_FILES[$this->fileField])) { $postMaxSize = ini_get('post_max_size'); $uploadMaxFileSize = ini_get('upload_max_filesize'); $this->stateInfo = '$_FILES数组未接收到上传文件数据,请检查上传文件大小是否超出PHP配置文件post_max_size、upload_max_filesize设置项,'; $this->stateInfo .= '当前post_max_size限制大小为' . $postMaxSize; $this->stateInfo .= ',当前upload_max_filesize限制大小为' . $uploadMaxFileSize; return; } $file = $this->file = $_FILES[$this->fileField]; if (!$file) { $this->stateInfo = $this->getStateInfo("ERROR_FILE_NOT_FOUND"); return; } if ($this->file['error']) { $this->stateInfo = $this->getStateInfo($file['error']); return; } else if (!file_exists($file['tmp_name'])) { $this->stateInfo = $this->getStateInfo("ERROR_TMP_FILE_NOT_FOUND"); return; } else if (!is_uploaded_file($file['tmp_name'])) { $this->stateInfo = $this->getStateInfo("ERROR_TMPFILE"); return; } $this->oriName = $file['name']; $this->fileSize = $file['size']; $this->fileType = $this->getFileExt(); $this->fullName = $this->getFullName(); $this->filePath = $this->getFilePath(); $this->fileName = $this->getFileName(); $dirname = dirname($this->filePath); //检查文件大小是否超出限制 if (!$this->checkSize()) { $this->stateInfo = $this->getStateInfo("ERROR_SIZE_EXCEED"); return; } //检查是否不允许的文件格式 if (!$this->checkType()) { $this->stateInfo = $this->getStateInfo("ERROR_TYPE_NOT_ALLOWED"); return; } //创建目录失败 if (!file_exists($dirname) && !mkdir($dirname, 0777, true)) { $this->stateInfo = $this->getStateInfo("ERROR_CREATE_DIR"); return; } else if (!is_writeable($dirname)) { $this->stateInfo = $this->getStateInfo("ERROR_DIR_NOT_WRITEABLE"); return; } //移动文件 if (!(move_uploaded_file($file["tmp_name"], $this->filePath) && file_exists($this->filePath))) { //移动失败 $this->stateInfo = $this->getStateInfo("ERROR_FILE_MOVE"); } else { //移动成功 $this->stateInfo = $this->stateMap[0]; } } /** * 处理base64编码的图片上传 * @return mixed */ private function upBase64() { $base64Data = $_POST[$this->fileField]; $img = base64_decode($base64Data); $this->oriName = $this->config['oriName']; $this->fileSize = strlen($img); $this->fileType = $this->getFileExt(); $this->fullName = $this->getFullName(); $this->filePath = $this->getFilePath(); $this->fileName = $this->getFileName(); $dirname = dirname($this->filePath); //检查文件大小是否超出限制 if (!$this->checkSize()) { $this->stateInfo = $this->getStateInfo("ERROR_SIZE_EXCEED"); return; } //创建目录失败 if (!file_exists($dirname) && !mkdir($dirname, 0777, true)) { $this->stateInfo = $this->getStateInfo("ERROR_CREATE_DIR"); return; } else if (!is_writeable($dirname)) { $this->stateInfo = $this->getStateInfo("ERROR_DIR_NOT_WRITEABLE"); return; } //移动文件 if (!(file_put_contents($this->filePath, $img) && file_exists($this->filePath))) { //移动失败 $this->stateInfo = $this->getStateInfo("ERROR_WRITE_CONTENT"); } else { //移动成功 $this->stateInfo = $this->stateMap[0]; } } /** * 拉取远程图片 * @return mixed */ private function saveRemote() { $imgUrl = htmlspecialchars($this->fileField); $imgUrl = str_replace("&amp;", "&", $imgUrl); //http开头验证 if (strpos($imgUrl, "http") !== 0) { $this->stateInfo = $this->getStateInfo("ERROR_HTTP_LINK"); return; } preg_match('/(^https*:\/\/[^:\/]+)/', $imgUrl, $matches); $host_with_protocol = count($matches) > 1 ? $matches[1] : ''; // 判断是否是合法 url if (!filter_var($host_with_protocol, FILTER_VALIDATE_URL)) { $this->stateInfo = $this->getStateInfo("INVALID_URL"); return; } preg_match('/^https*:\/\/(.+)/', $host_with_protocol, $matches); $host_without_protocol = count($matches) > 1 ? $matches[1] : ''; // 此时提取出来的可能是 ip 也有可能是域名,先获取 ip $ip = gethostbyname($host_without_protocol); // 判断是否是私有 ip if (!filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_NO_PRIV_RANGE)) { $this->stateInfo = $this->getStateInfo("INVALID_IP"); return; } //获取请求头并检测死链 $heads = get_headers($imgUrl, 1); if (!(stristr($heads[0], "200") && stristr($heads[0], "OK"))) { $this->stateInfo = $this->getStateInfo("ERROR_DEAD_LINK"); return; } //格式验证(扩展名验证和Content-Type验证) $fileType = strtolower(strrchr($imgUrl, '.')); if (!in_array($fileType, $this->config['allowFiles']) || !isset($heads['Content-Type']) || !stristr($heads['Content-Type'], "image")) { $this->stateInfo = $this->getStateInfo("ERROR_HTTP_CONTENTTYPE"); return; } //打开输出缓冲区并获取远程图片 ob_start(); $context = stream_context_create( ['http' => [ 'follow_location' => false // don't follow redirects ]] ); readfile($imgUrl, false, $context); $img = ob_get_contents(); ob_end_clean(); preg_match("/[\/]([^\/]*)[\.]?[^\.\/]*$/", $imgUrl, $m); $this->oriName = $m ? $m[1] : ""; $this->fileSize = strlen($img); $this->fileType = $this->getFileExt(); $this->fullName = $this->getFullName(); $this->filePath = $this->getFilePath(); $this->fileName = $this->getFileName(); $dirname = dirname($this->filePath); //检查文件大小是否超出限制 if (!$this->checkSize()) { $this->stateInfo = $this->getStateInfo("ERROR_SIZE_EXCEED"); return; } //创建目录失败 if (!file_exists($dirname) && !mkdir($dirname, 0777, true)) { $this->stateInfo = $this->getStateInfo("ERROR_CREATE_DIR"); return; } else if (!is_writeable($dirname)) { $this->stateInfo = $this->getStateInfo("ERROR_DIR_NOT_WRITEABLE"); return; } //移动文件 if (!(file_put_contents($this->filePath, $img) && file_exists($this->filePath))) { //移动失败 $this->stateInfo = $this->getStateInfo("ERROR_WRITE_CONTENT"); } else { //移动成功 $this->stateInfo = $this->stateMap[0]; } } /** * 上传错误检查 * @param $errCode * @return string */ private function getStateInfo($errCode) { return !$this->stateMap[$errCode] ? $this->stateMap["ERROR_UNKNOWN"] : $this->stateMap[$errCode]; } /** * 获取文件扩展名 * @return string */ private function getFileExt() { return strtolower(strrchr($this->oriName, '.')); } /** * 重命名文件 * @return string */ private function getFullName() { //替换日期事件 $t = time(); $d = explode('-', date("Y-y-m-d-H-i-s")); $format = $this->config["pathFormat"]; $format = str_replace("{yyyy}", $d[0], $format); $format = str_replace("{yy}", $d[1], $format); $format = str_replace("{mm}", $d[2], $format); $format = str_replace("{dd}", $d[3], $format); $format = str_replace("{hh}", $d[4], $format); $format = str_replace("{ii}", $d[5], $format); $format = str_replace("{ss}", $d[6], $format); $format = str_replace("{time}", $t, $format); //过滤文件名的非法自负,并替换文件名 $oriName = substr($this->oriName, 0, strrpos($this->oriName, '.')); $oriName = preg_replace("/[\|\?\"\<\>\/\*\\\\]+/", '', $oriName); $format = str_replace("{filename}", $oriName, $format); //替换随机字符串 $randNum = rand(1, 10000000000) . rand(1, 10000000000); if (preg_match("/\{rand\:([\d]*)\}/i", $format, $matches)) { $format = preg_replace("/\{rand\:[\d]*\}/i", substr($randNum, 0, $matches[1]), $format); } $ext = $this->getFileExt(); return $format . $ext; } /** * 获取文件名 * @return string */ private function getFileName() { return substr($this->filePath, strrpos($this->filePath, '/') + 1); } /** * 获取文件完整路径 * @return string */ private function getFilePath() { $fullname = $this->fullName; $rootPath = $_SERVER['DOCUMENT_ROOT']; if (substr($fullname, 0, 1) != '/') { $fullname = '/' . $fullname; } return $rootPath . $fullname; } /** * 文件类型检测 * @return bool */ private function checkType() { return in_array($this->getFileExt(), $this->config["allowFiles"]); } /** * 文件大小检测 * @return bool */ private function checkSize() { return $this->fileSize <= ($this->config["maxSize"]); } /** * 获取当前上传成功文件的各项信息 * @return array */ public function getFileInfo() { return [ "state" => $this->stateInfo, "url" => $this->fullName, "title" => $this->fileName, "original" => $this->oriName, "type" => $this->fileType, "size" => $this->fileSize ]; } } ~~~