这篇文章主要介绍了php中使用sftp教程,本文讲解了ftp 协议简介、ssh协议、sftp 协议等知识,并给出了FTP和SFTP操作类实现代码,需要的朋友可以参考下
config = $config; } // ftp 连接 public function connect(){ return $this->conn = ftp_connect($this->config['host'],$this->config['port'])); } // 传输数据 传输层协议,获得数据 true or false public function download($remote, $local,$mode = 'auto'){ return $result = @ftp_get($this->conn, $localpath, $remotepath, $mode); } // 传输数据 传输层协议,上传数据 true or false public function upload($remote, $local,$mode = 'auto'){ return $result = @ftp_put($this->conn, $localpath, $remotepath, $mode); } // 删除文件 public function remove($remote){ return $result = @ftp_delete($this->conn_id, $file); } } // 使用 $config = array( 'hostname' => 'localhost', 'username' => 'root', 'password' => 'root', 'port' => 21 ) ; $ftp = new Ftp(); $ftp->connect($config); $ftp->upload('ftp_err.log','ftp_upload.log'); $ftp->download('ftp_upload.log','ftp_download.log'); /*根据上面的三个协议写出基于ssh 的ftp 类 我们知道进行身份认证的方式有两种:公钥;密码 ; (1) 使用密码登陆 (2) 免密码登陆也就是使用公钥登陆 */ class sftp{ // 初始配置为NULL private $config =NULL ; // 连接为NULL private $conn = NULL; // 是否使用秘钥登陆 private $use_pubkey_file= false; // 初始化 public function init($config){ $this->config = $config ; } // 连接ssh ,连接有两种方式(1) 使用密码 // (2) 使用秘钥 public function connect(){ $methods['hostkey'] = $use_pubkey_file ? 'ssh-rsa' : [] ; $con = ssh2_connect($this->config['host'], $this->config['port'], $methods); //(1) 使用秘钥的时候 if($use_pubkey_file){ // 用户认证协议 $rc = ssh2_auth_pubkey_file( $conn, $this->config['user'], $this->config['pubkey_file'], $this->config['privkey_file'], $this->config['passphrase']) ); //(2) 使用登陆用户名字和登陆密码 }else{ $rc = ssh2_auth_password( $conn, $this->conf_['user'],$this->conf_['passwd']); } return $rc ; } // 传输数据 传输层协议,获得数据 public function download($remote, $local){ return ssh2_scp_recv($this->conn_, $remote, $local); } //传输数据 传输层协议,写入ftp服务器数据 public function upload($remote, $local,$file_mode=0664){ return ssh2_scp_send($this->conn_, $local, $remote, $file_mode); } // 删除文件 public function remove($remote){ $sftp = ssh2_sftp($this->conn_); $rc = false; if (is_dir("ssh2.sftp://{$sftp}/{$remote}")) { $rc = false ; // ssh 删除文件夹 $rc = ssh2_sftp_rmdir($sftp, $remote); } else { // 删除文件 $rc = ssh2_sftp_unlink($sftp, $remote); } return $rc; } } $config = [ "host" => "192.168.1.1 ", // ftp地址 "user" => "***", "port" => "22", "pubkey_path" => "/root/.ssh/id_rsa.pub", // 公钥的存储地址 "privkey_path" => "/root/.ssh/id_rsa", // 私钥的存储地址 ]; $handle = new SftpAccess(); $handle->init($config); $rc = $handle->connect(); $handle->getData(remote, $local);

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