/**
 * PHP实现的ssh api类，主要用来通过ssh传输文件
 *
 * @param 
 * @author 网： jb51.cc
 **/
class SshApi extends BaSEObject{
   public $session = null;
   public $authenticated = false;
   public function __construct(){
   }
   public function connect($host){
	  $this->session = ssh2_connect($host);
	  return $this->session;
   }
   public function pubkeyFile($sshUser,$sshPub,$sshPriv,$sshPass){
	  if ( ! $this->session ) return false;
	  if ( empty($sshPass) ){
		 $b = ssh2_auth_pubkey_file( $this->session,$sshUser,$sshPriv);
	  }
	  else
		 $b = ssh2_auth_pubkey_file( $this->session,$sshPass);
	  if ( $b ) $this->authenticated = true;
	  return $b;
   }
   public function send($localfile,$remotefile,$perms=0660){
	  $this->debug(__METHOD__);
	  if ( ! $this->session ) return false;
	  $this->debug('Sending '. $localfile . ' to ' . $remotefile);
	  $b = ssh2_scp_send($this->session,$localfile,$perms);      
	  return $b;
   }
   public function recv($remotefile,$localfile){
	  if ( ! $this->session ) return false;
	  $b = ssh2_scp_recv($this->session,$localfile );
	  return $b;
   }
   public function exec($command){
	  if ( ! $this->session ) return false;   
	  $stream = ssh2_exec($this->session,$command);
	  return $stream;
   }
}
/***   来自编程之家 jb51.cc（jb51.cc）   ***/