smtp.class.php

创建虚拟磁盘。用户可以创建磁盘

<?php 
##
#	Project: PHPDisk
#	This is NOT a freeware, use is subject to license terms.
#
#	Site: http://www.phpdisk.com
#
#	$Id: smtp.class.php 70 2009-01-15 04:31:40Z cy $
#
#	Copyright (C) 2008-2009 PHPDisk Team. All Rights Reserved.
#
##


class SMTP {
  
  var $SMTP_PORT = 25;

  
  var $CRLF = "\r\n";

  
  var $do_debug;         
  var $do_verp = false;

  
  var $smtp_conn;        var $error;            var $helo_rply;        

  
  function __construct() {
    $this->smtp_conn = 0;
    $this->error = null;
    $this->helo_rply = null;

    $this->do_debug = 0;
  }

  

  
  function Connect($host,$port=0,$tval=30) {
    
    $this->error = null;

    
    if($this->connected()) {
      
      $this->error = array("error" => "Already connected to a server");
      return false;
    }

    if(empty($port)) {
      $port = $this->SMTP_PORT;
    }

    
    $this->smtp_conn = fsockopen($host,                                     $port,                                     $errno,                                    $errstr,                                   $tval);       
    if(empty($this->smtp_conn)) {
      $this->error = array("error" => "Failed to connect to server",
                           "errno" => $errno,
                           "errstr" => $errstr);
      if($this->do_debug >= 1) {
        echo "SMTP -> ERROR: " . $this->error["error"] .
                 ": $errstr ($errno)" . $this->CRLF;
      }
      return false;
    }

    
    if(substr(PHP_OS, 0, 3) != "WIN")
     socket_set_timeout($this->smtp_conn, $tval, 0);

    
    $announce = $this->get_lines();

    
            if($this->do_debug >= 2) {
      echo "SMTP -> FROM SERVER:" . $this->CRLF . $announce;
    }

    return true;
  }

  
  function Authenticate($username, $password) {
        fputs($this->smtp_conn,"AUTH LOGIN" . $this->CRLF);

    $rply = $this->get_lines();
    $code = substr($rply,0,3);

    if($code != 334) {
      $this->error =
        array("error" => "AUTH not accepted from server",
              "smtp_code" => $code,
              "smtp_msg" => substr($rply,4));
      if($this->do_debug >= 1) {
        echo "SMTP -> ERROR: " . $this->error["error"] .
                 ": " . $rply . $this->CRLF;
      }
      return false;
    }

        fputs($this->smtp_conn, base64_encode($username) . $this->CRLF);

    $rply = $this->get_lines();
    $code = substr($rply,0,3);

    if($code != 334) {
      $this->error =
        array("error" => "Username not accepted from server",
              "smtp_code" => $code,
              "smtp_msg" => substr($rply,4));
      if($this->do_debug >= 1) {
        echo "SMTP -> ERROR: " . $this->error["error"] .
                 ": " . $rply . $this->CRLF;
      }
      return false;
    }

        fputs($this->smtp_conn, base64_encode($password) . $this->CRLF);

    $rply = $this->get_lines();
    $code = substr($rply,0,3);

    if($code != 235) {
      $this->error =
        array("error" => "Password not accepted from server",
              "smtp_code" => $code,
              "smtp_msg" => substr($rply,4));
      if($this->do_debug >= 1) {
        echo "SMTP -> ERROR: " . $this->error["error"] .
                 ": " . $rply . $this->CRLF;
      }
      return false;
    }

    return true;
  }

  
  function Connected() {
    if(!empty($this->smtp_conn)) {
      $sock_status = socket_get_status($this->smtp_conn);
      if($sock_status["eof"]) {
                        if($this->do_debug >= 1) {
            echo "SMTP -> NOTICE:" . $this->CRLF .
                 "EOF caught while checking if connected";
        }
        $this->Close();
        return false;
      }
      return true;     }
    return false;
  }

  
  function Close() {
    $this->error = null;     $this->helo_rply = null;
    if(!empty($this->smtp_conn)) {
            fclose($this->smtp_conn);
      $this->smtp_conn = 0;
    }
  }

  

  
  function Data($msg_data) {
    $this->error = null;     if(!$this->connected()) {
      $this->error = array(
              "error" => "Called Data() without being connected");
      return false;
    }

    fputs($this->smtp_conn,"DATA" . $this->CRLF);

    $rply = $this->get_lines();
    $code = substr($rply,0,3);

    if($this->do_debug >= 2) {
      echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply;
    }

    if($code != 354) {
      $this->error =
        array("error" => "DATA command not accepted from server",
              "smtp_code" => $code,
              "smtp_msg" => substr($rply,4));
      if($this->do_debug >= 1) {
        echo "SMTP -> ERROR: " . $this->error["error"] .
                 ": " . $rply . $this->CRLF;
      }
      return false;
    }

    

        $msg_data = str_replace("\r\n","\n",$msg_data);
    $msg_data = str_replace("\r","\n",$msg_data);
    $lines = explode("\n",$msg_data);

    
    $field = substr($lines[0],0,strpos($lines[0],":"));
    $in_headers = false;
    if(!empty($field) && !strstr($field," ")) {
      $in_headers = true;
    }

    $max_line_length = 998;     while(list(,$line) = @each($lines)) {
      $lines_out = null;
      if($line == "" && $in_headers) {
        $in_headers = false;
      }
            while(strlen($line) > $max_line_length) {
        $pos = strrpos(substr($line,0,$max_line_length)," ");

                if(!$pos) {
          $pos = $max_line_length - 1;
        }

        $lines_out[] = substr($line,0,$pos);
        $line = substr($line,$pos + 1);
        
        if($in_headers) {
          $line = "\t" . $line;
        }
      }
      $lines_out[] = $line;

            while(list(,$line_out) = @each($lines_out)) {
        if(strlen($line_out) > 0)
        {
          if(substr($line_out, 0, 1) == ".") {
            $line_out = "." . $line_out;
          }
        }
        fputs($this->smtp_conn,$line_out . $this->CRLF);
      }
    }

            fputs($this->smtp_conn, $this->CRLF . "." . $this->CRLF);

    $rply = $this->get_lines();
    $code = substr($rply,0,3);

    if($this->do_debug >= 2) {
      echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply;
    }

    if($code != 250) {
      $this->error =
        array("error" => "DATA not accepted from server",
              "smtp_code" => $code,
              "smtp_msg" => substr($rply,4));
      if($this->do_debug >= 1) {
        echo "SMTP -> ERROR: " . $this->error["error"] .
                 ": " . $rply . $this->CRLF;
      }
      return false;
    }
    return true;
  }

  
  function Expand($name) {
    $this->error = null;     if(!$this->connected()) {
      $this->error = array(
            "error" => "Called Expand() without being connected");
      return false;
    }

    fputs($this->smtp_conn,"EXPN " . $name . $this->CRLF);

    $rply = $this->get_lines();
    $code = substr($rply,0,3);

    if($this->do_debug >= 2) {
      echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply;
    }

    if($code != 250) {
      $this->error =
        array("error" => "EXPN not accepted from server",
              "smtp_code" => $code,
              "smtp_msg" => substr($rply,4));
      if($this->do_debug >= 1) {
        echo "SMTP -> ERROR: " . $this->error["error"] .
                 ": " . $rply . $this->CRLF;
      }
      return false;
    }

        $entries = explode($this->CRLF,$rply);
    while(list(,$l) = @each($entries)) {
      $list[] = substr($l,4);
    }

    return $list;
  }

  
  function Hello($host="") {
    $this->error = null;     if(!$this->connected()) {
      $this->error = array(
            "error" => "Called Hello() without being connected");
      return false;
    }

            if(empty($host)) {
                  $host = "localhost";
    }

        if(!$this->SendHello("EHLO", $host))
    {
      if(!$this->SendHello("HELO", $host))
          return false;
    }

    return true;
  }

  
  function SendHello($hello, $host) {
    fputs($this->smtp_conn, $hello . " " . $host . $this->CRLF);

    $rply = $this->get_lines();
    $code = substr($rply,0,3);

    if($this->do_debug >= 2) {
      echo "SMTP -> FROM SERVER: " . $this->CRLF . $rply;
    }

    if($code != 250) {
      $this->error =
        array("error" => $hello . " not accepted from server",
              "smtp_code" => $code,
              "smtp_msg" => substr($rply,4));
      if($this->do_debug >= 1) {
        echo "SMTP -> ERROR: " . $this->error["error"] .
                 ": " . $rply . $this->CRLF;
      }
      return false;
    }

    $this->helo_rply = $rply;

    return true;
  }

  
  function Help($keyword="") {
    $this->error = null;     if(!$this->connected()) {
      $this->error = array(
              "error" => "Called Help() without being connected");