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让thinkphp 支持ftp上传到远程，ftp删除
让thinkphp真正的支持FTP上传，删除。原创by default7#zbphp.com，如需转载请保留作者信息。 /** * This is not a free software, All Copyright @F.Z.B * Date: 2014/10/21 10:51 * File: MyFtpUpload.php * Author: default7 <default7@zbphp.com> */ include ‘Ftp.php‘; class MyFtpUpload { //必须支持swf jpg jpeg png gif bmp txt log public $allowType = ‘swf|png|jpg|gif|jpeg‘; public $locFolder = ‘uploads‘; static $ftpHandler = null; static $config = null; public function __construct() { if (self::$config === null) { self::$config = C(‘MY_CI_FTP_CONFIG‘); } } public function __destruct() { if (self::$ftpHandler !== null) { self::$ftpHandler->close(); } } /** * @description 单例模式 * @return null */ public function getInstance() { if (self::$ftpHandler === null) { $ftp = new CI_FTP(self::$config); $ftp->connect(); self::$ftpHandler = $ftp; } return self::$ftpHandler; } /** * @description 检测文件大小是否溢出 * * @param $size * * @return bool */ function isSizeOver($size) { return !empty(self::$config[‘maxsize‘]) && $size > self::$config[‘maxsize‘] ? true : false; } /** * @description 一行上传 支持单个 * * @param $file * @param string $saveFolder * @param string $allowType * * @return array */ public function autoUpload($file, $saveFolder = ‘‘, $allowType = ‘‘) { if (empty($allowType)) $allowType = $this->allowType; $ext = $this->getExt($file[‘name‘]); if (!$this->isAllowExt($ext, $allowType)) { return array(false, ‘不允许的格式‘ . $ext); } $savePath = $this->mkSavePath($saveFolder, $ext); if (!$this->ftpUpload($file[‘tmp_name‘], $savePath)) { return array(false, ‘文件上传失败，请联系管理员或重试！‘); } return array(true, $savePath); } /** * @description 输入本地的存放地址路径，输入远程的存放路径 * * @param $localPath * @param $savePath * * @return mixed */ function ftpUpload($localPath, $savePath) { if (!self::$config) return false; $dir = trim(dirname($savePath)); if (!self::getInstance()->changedir($dir)) { self::getInstance()->mkdir($dir); self::getInstance()->chmod($dir, 0777); } $result = self::getInstance()->upload($localPath, $savePath); return $result; } //先保存到本地 再上传到远程 public function saveTxtFile($savePath, $content, $locFolder = ‘uploads‘) { $locPath = $locFolder . $savePath; $arr = explode(‘/‘, dirname($locPath)); $dir = ‘.‘; foreach ($arr as $d) { $comma = ‘/‘; $dir .= $comma . $d; if (!is_dir($dir) && !mkdir($dir)) return false; } //保存文件失败 if (empty($content)) $content = ‘ ‘;//防止 file_put_content 保存失败 if (!file_put_contents($locPath, $content)) { return false; } return $this->ftpUpload($locPath, $savePath); } //读取远程文件 先读取本地，否则读取远程 public function readTxtFile($filePath, $locFolder = ‘uploads‘) { $content = ‘‘; $locPath = ‘./‘ . $locFolder . $filePath; if (!(file_exists($locPath) && is_file($locPath))) { self::getInstance()->download($filePath, $locPath); } if (is_file($locPath)) $content = file_get_contents($locPath); return $content; } /** * @description 删除本地 同时删除远程 * * @param $path * @param string $locFolder * @param string $allowType * * @return bool */ public function delTxtFile($path, $locFolder = ‘uploads‘, $allowType = ‘‘) { if (!empty($path)) { if (empty($allowType)) $allowType = $this->allowType; $ext = $this->getExt($path); if ($this->isAllowExt($ext, $allowType)) { $locPath = ‘./‘ . $locFolder . $path; if (file_exists($locPath)) { @unlink($locPath); } return $this->ftpDelFile($path, $allowType); } } return array(false, ‘文件‘ . $path . ‘删除失败，请联系管理员！‘); } /** * @description 文件名中含有 至少2个数字表示非默认文件 * * @param $filepath * * @return bool */ public function isDefaultFile($filepath) { return preg_match(‘/\d{2,}/‘, basename($filepath)) ? false : true; } /** * @description 默认图片/文件是不允许删除！ * * @param $filePath * @param string $allowType * * @return array */ public function ftpDelFile($filePath, $allowType = ‘‘) { if (!self::$config) return array(false, ‘未配置FTP登录信息‘); //是否是默认图片 if ($this->isDefaultFile($filePath)) { return array(false, ‘默认图片不允许删除！‘); } if (strpos($filePath, ‘..‘) !== false) { return array(false, ‘文件或目录地址中不能包含 .. ！‘); } if (empty($allowType)) $allowType = $this->allowType; $ext = $this->getExt($filePath); if (!$this->isAllowExt($ext, $allowType)) { return array(false, ‘不允许的删除格式！‘); } $result = self::getInstance()->delete_file($filePath); return array($result, ‘‘); } /** * @param $filename * * @return string */ function getExt($filename) { if (false === strpos($filename, ‘.‘)) { return ‘‘; } $x = explode(‘.‘, $filename); return ‘.‘ . strtolower(end($x)); } /** * @description 输入的扩展名必须以.开头 * * @param $ext * @param string $allowType * * @return bool */ function isAllowExt($ext, $allowType = ‘‘) { if ($allowType == ‘*‘) return true; if (empty($allowType)) $allowType = $this->allowType; return $ext && preg_match(‘/^\.(‘ . $allowType . ‘)$/i‘, $ext) ? true : false; } /** * @description 生成上传地址 完整上传地址 * 开头必须是 斜杠，包含完整扩展名 * * @param string $folder * @param string $ext * * @return mixed */ public function mkSavePath($folder = ‘‘, $ext = ‘‘) { $savePath = ‘/‘ . $folder . ‘/‘ . date(‘ym‘) . ‘/‘ . date(‘ymdHis_‘) . rand(10, 99) . $ext; return str_replace(‘//‘, ‘/‘, $savePath); } /** * @description 检测是否是图片文件 * * @param $filepath * @param string $ext * * @return bool */ public function isImageFile($filepath, $ext = ‘‘) { $imginfo = getimagesize($filepath); if (empty($imginfo) || ($ext == ‘gif‘ && empty($imginfo[‘bits‘]))) { return false; } return true; } /** * @description 通过保存路径获取网址 * * @param $savePath * * @return string */ public function getUrl($savePath) { $url = ‘‘; if (preg_match(‘/^https?:/‘, $savePath)) { $url = $savePath; } else if (!empty($savePath)) { $url .= self::$config[‘siteurl‘]; $url .= $savePath; } return $url; } }// ------------------------------------------------------------------------ /** * FTP Class * * @package CodeIgniter * @subpackage Libraries * @category Libraries * @author ExpressionEngine Dev Team * @link http://codeigniter.com/user_guide/libraries/ftp.html */ class CI_FTP { var $hostname = ‘‘; var $username = ‘‘; var $password = ‘‘; var $port = 21; var $passive = TRUE; var $debug = FALSE; var $conn_id = FALSE; /** * Constructor - Sets Preferences * * The constructor can be passed an array of config values */ public function __construct($config = array()) { if (count($config) > 0) { $this->initialize($config); } } // -------------------------------------------------------------------- /** * Initialize preferences * * @access public * @param array * @return void */ function initialize($config = array()) { foreach ($config as $key => $val) { if (isset($this->$key)) { $this->$key = $val; } } // Prep the hostname $this->hostname = preg_replace(‘|.+?://|‘, ‘‘, $this->hostname); } // -------------------------------------------------------------------- /** * FTP Connect * * @access public * @param array the connection values * @return bool */ function connect($config = array()) { if (count($config) > 0) { $this->initialize($config); } if (FALSE === ($this->conn_id = @ftp_connect($this->hostname, $this->port))) { if ($this->debug == TRUE) { $this->_error(‘ftp_unable_to_connect‘); } return FALSE; } if ( ! $this->_login()) { if ($this->debug == TRUE) { $this->_error(‘ftp_unable_to_login‘); } return FALSE; } // Set passive mode if needed if ($this->passive == TRUE) { ftp_pasv($this->conn_id, TRUE); } return TRUE; } // -------------------------------------------------------------------- /** * FTP Login * * @access private * @return bool */ function _login() { return @ftp_login($this->conn_id, $this->username, $this->password); } // -------------------------------------------------------------------- /** * Validates the connection ID * * @access private * @return bool */ function _is_conn() { if ( ! is_resource($this->conn_id)) { if ($this->debug == TRUE) { $this->_error(‘ftp_no_connection‘); } return FALSE; } return TRUE; } // -------------------------------------------------------------------- /** * Change directory * * The second parameter lets us momentarily turn off debugging so that * this function can be used to test for the existence of a folder * without throwing an error. There‘s no FTP equivalent to is_dir() * so we do it by trying to change to a particular directory. * Internally, this parameter is only used by the "mirror" function below. * * @access public * @param string * @param bool * @return bool */ function changedir($path = ‘‘, $supress_debug = FALSE) { if ($path == ‘‘ OR ! $this->_is_conn()) { return FALSE; } $result = @ftp_chdir($this->conn_id, $path); if ($result === FALSE) { if ($this->debug == TRUE AND $supress_debug == FALSE) { $this->_error(‘ftp_unable_to_changedir‘); } return FALSE; } return TRUE; } // -------------------------------------------------------------------- /** * Create a directory * * @access public * @param string * @return bool */ function mkdir($path = ‘‘, $permissions = NULL) { if ($path == ‘‘ OR ! $this->_is_conn()) { return FALSE; } $result = @ftp_mkdir($this->conn_id, $path); if ($result === FALSE) { if ($this->debug == TRUE) { $this->_error(‘ftp_unable_to_makdir‘); } return FALSE; } // Set file permissions if needed if ( ! is_null($permissions)) { $this->chmod($path, (int)$permissions); } return TRUE; } // -------------------------------------------------------------------- /** * Upload a file to the server * * @access public * @param string * @param string * @param string * @return bool */ function upload($locpath, $rempath, $mode = ‘auto‘, $permissions = NULL) { if ( ! $this->_is_conn()) { return FALSE; } if ( ! file_exists($locpath)) { $this->_error(‘ftp_no_source_file‘); return FALSE; } // Set the mode if not specified if ($mode == ‘auto‘) { // Get the file extension so we can set the upload type $ext = $this->_getext($locpath); $mode = $this->_settype($ext); } $mode = ($mode == ‘ascii‘) ? FTP_ASCII : FTP_BINARY; $result = @ftp_put($this->conn_id, $rempath, $locpath, $mode); if ($result === FALSE) { if ($this->debug == TRUE) { $this->_error(‘ftp_unable_to_upload‘); } return FALSE; } // Set file permissions if needed if ( ! is_null($permissions)) { $this->chmod($rempath, (int)$permissions); } return TRUE; } // -------------------------------------------------------------------- /** * Download a file from a remote server to the local server * * @access public * @param string * @param string * @param string * @return bool */ function download($rempath, $locpath, $mode = ‘auto‘) { if ( ! $this->_is_conn()) { return FALSE; } // Set the mode if not specified if ($mode == ‘auto‘) { // Get the file extension so we can set the upload type $ext = $this->_getext($rempath); $mode = $this->_settype($ext); } $mode = ($mode == ‘ascii‘) ? FTP_ASCII : FTP_BINARY; $result = @ftp_get($this->conn_id, $locpath, $rempath, $mode); if ($result === FALSE) { if ($this->debug == TRUE) { $this->_error(‘ftp_unable_to_download‘); } return FALSE; } return TRUE; } // -------------------------------------------------------------------- /** * Rename (or move) a file * * @access public * @param string * @param string * @param bool * @return bool */ function rename($old_file, $new_file, $move = FALSE) { if ( ! $this->_is_conn()) { return FALSE; } $result = @ftp_rename($this->conn_id, $old_file, $new_file); if ($result === FALSE) { if ($this->debug == TRUE) { $msg = ($move == FALSE) ? ‘ftp_unable_to_rename‘ : ‘ftp_unable_to_move‘; $this->_error($msg); } return FALSE; } return TRUE; } // -------------------------------------------------------------------- /** * Move a file * * @access public * @param string * @param string * @return bool */ function move($old_file, $new_file) { return $this->rename($old_file, $new_file, TRUE); } // -------------------------------------------------------------------- /** * Rename (or move) a file * * @access public * @param string * @return bool */ function delete_file($filepath) { if ( ! $this->_is_conn()) { return FALSE; } $result = @ftp_delete($this->conn_id, $filepath); if ($result === FALSE) { if ($this->debug == TRUE) { $this->_error(‘ftp_unable_to_delete‘); } return FALSE; } return TRUE; } // -------------------------------------------------------------------- /** * Delete a folder and recursively delete everything (including sub-folders) * containted within it. * * @access public * @param string * @return bool */ function delete_dir($filepath) { if ( ! $this->_is_conn()) { return FALSE; } // Add a trailing slash to the file path if needed $filepath = preg_replace("/(.+?)\/*$/", "\\1/", $filepath); $list = $this->list_files($filepath); if ($list !== FALSE AND count($list) > 0) { foreach ($list as $item) { // If we can‘t delete the item it‘s probaly a folder so // we‘ll recursively call delete_dir() if ( ! @ftp_delete($this->conn_id, $item)) { $this->delete_dir($item); } } } $result = @ftp_rmdir($this->conn_id, $filepath); if ($result === FALSE) { if ($this->debug == TRUE) { $this->_error(‘ftp_unable_to_delete‘); } return FALSE; } return TRUE; } // -------------------------------------------------------------------- /** * Set file permissions * * @access public * @param string the file path * @param string the permissions * @return bool */ function chmod($path, $perm) { if ( ! $this->_is_conn()) { return FALSE; } // Permissions can only be set when running PHP 5 if ( ! function_exists(‘ftp_chmod‘)) { if ($this->debug == TRUE) { $this->_error(‘ftp_unable_to_chmod‘); } return FALSE; } $result = @ftp_chmod($this->conn_id, $perm, $path); if ($result === FALSE) { if ($this->debug == TRUE) { $this->_error(‘ftp_unable_to_chmod‘); } return FALSE; } return TRUE; } // -------------------------------------------------------------------- /** * FTP List files in the specified directory * * @access public * @return array */ function list_files($path = ‘.‘) { if ( ! $this->_is_conn()) { return FALSE; } return ftp_nlist($this->conn_id, $path); } // ------------------------------------------------------------------------ /** * Read a directory and recreate it remotely * * This function recursively reads a folder and everything it contains (including * sub-folders) and creates a mirror via FTP based on it. Whatever the directory structure * of the original file path will be recreated on the server. * * @access public * @param string path to source with trailing slash * @param string path to destination - include the base folder with trailing slash * @return bool */ function mirror($locpath, $rempath) { if ( ! $this->_is_conn()) { return FALSE; } // Open the local file path if ($fp = @opendir($locpath)) { // Attempt to open the remote file path. if ( ! $this->changedir($rempath, TRUE)) { // If it doesn‘t exist we‘ll attempt to create the direcotory if ( ! $this->mkdir($rempath) OR ! $this->changedir($rempath)) { return FALSE; } } // Recursively read the local directory while (FALSE !== ($file = readdir($fp))) { if (@is_dir($locpath.$file) && substr($file, 0, 1) != ‘.‘) { $this->mirror($locpath.$file."/", $rempath.$file."/"); } elseif (substr($file, 0, 1) != ".") { // Get the file extension so we can se the upload type $ext = $this->_getext($file); $mode = $this->_settype($ext); $this->upload($locpath.$file, $rempath.$file, $mode); } } return TRUE; } return FALSE; } // -------------------------------------------------------------------- /** * Extract the file extension * * @access private * @param string * @return string */ function _getext($filename) { if (FALSE === strpos($filename, ‘.‘)) { return ‘txt‘; } $x = explode(‘.‘, $filename); return end($x); } // -------------------------------------------------------------------- /** * Set the upload type * * @access private * @param string * @return string */ function _settype($ext) { $text_types = array( ‘txt‘, ‘text‘, ‘php‘, ‘phps‘, ‘php4‘, ‘js‘, ‘css‘, ‘htm‘, ‘html‘, ‘phtml‘, ‘shtml‘, ‘log‘, ‘xml‘ ); return (in_array($ext, $text_types)) ? ‘ascii‘ : ‘binary‘; } // ------------------------------------------------------------------------ /** * Close the connection * * @access public * @param string path to source * @param string path to destination * @return bool */ function close() { if ( ! $this->_is_conn()) { return FALSE; } @ftp_close($this->conn_id); } // ------------------------------------------------------------------------ /** * Display error message * * @access private * @param string * @return bool */ function _error($line) { exit($line); // $CI =& get_instance(); // $CI->lang->load(‘ftp‘); // show_error($CI->lang->line($line)); } } // END FTP Class /* End of file Ftp.php */ /* Location: ./system/libraries/Ftp.php */
#配置config.php#//本地测试环境 ‘MY_CI_FTP_CONFIG‘ => array( ‘hostname‘ => ‘127.0.0.1‘, ‘username‘ => ‘php‘, ‘password‘ => ‘123456‘, ‘debug‘ => false, ‘passive‘ => false, ‘maxsize‘ => 1048576,//最大上传1M ‘siteurl‘ => ‘http://localhost‘,//结尾不要有反斜杠 ),
#使用方法#$file = $_FILES[‘upfile‘]; import(‘Common.Vendor.CodeIgniter.MyFtpUpload‘, ‘‘, ‘.php‘); $myFtp = new \MyFtpUpload(); if (is_uploaded_file($file[‘tmp_name‘])) { if ($myFtp->isSizeOver(filesize($file[‘tmp_name‘]))) { $this->error("上传文件不能超过1MB"); } $ext = $myFtp->getExt($file[‘name‘]); if (!($myFtp->isAllowExt($ext, ‘jpg|gif|png|jpeg‘) && $myFtp->isImageFile($file[‘tmp_name‘], $ext))) { $this->error("不支持的文件格式！上传的头像必须是图片！"); } $savePath = ‘/avatar/‘ . $UserId . $ext; if (!$myFtp->ftpUpload($file[‘tmp_name‘], $savePath)) { $this->error("头像上传失败！"); } $newHeadphoto = $data[‘avatar‘] = $savePath; }
让thinkphp 支持ftp上传到远程，ftp删除
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