class.smtp.php

通达OA2007SE源代码 非常好的

<?
  class smtp
  {
    var $SMTP_PORT = 25;
    var $CRLF = '
';
    var $do_debug = null;
    var $smtp_conn = null;
    var $error = null;
    var $helo_rply = null;
    function smtp ()
    {
      $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 ((1 <= $this->do_debug))
        {
          echo ((('SMTP -> ERROR: '.$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 ((2 <= $this->do_debug))
      {
        echo (('SMTP -> FROM SERVER:'.$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 ((1 <= $this->do_debug))
        {
          echo (((('SMTP -> ERROR: '.$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 ((1 <= $this->do_debug))
        {
          echo (((('SMTP -> ERROR: '.$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 ((1 <= $this->do_debug))
        {
          echo (((('SMTP -> ERROR: '.$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 ((1 <= $this->do_debug))
          {
            echo (('SMTP -> NOTICE:'.$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 ((2 <= $this->do_debug))
      {
        echo (('SMTP -> FROM SERVER:'.$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 ((1 <= $this->do_debug))
        {
          echo (((('SMTP -> ERROR: '.$this->error['error']).': ').$rply).$this->CRLF);
        }
        return false;
      }
      $msg_data = str_replace ('
', '
', $msg_data);
      $msg_data = str_replace ('
', '
', $msg_data);
      $lines = explode ('
', $msg_data);
      $field = substr ($lines[0], 0, strpos ($lines[0], ':'));
      $in_headers = false;
      if ((!empty ($field) AND !strstr ($field, ' ')))
      {
        $in_headers = true;
      }
      $max_line_length = 998;
      $line = each ($lines)[1];
      if ()
      {
        $lines_out = null;
        if ((($line == '') AND $in_headers))
        {
          $in_headers = false;
        }
        while (($max_line_length < strlen ($line)))
        {
          $pos = strrpos (substr ($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)
          {
            $line = ('	'.$line);
            continue;
          }
        }
        $lines_out[] = $line;
        $line_out = each ($lines_out)[1];
        if ()
        {
          if ((0 < strlen ($line_out)))
          {
            if ((substr ($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 ((2 <= $this->do_debug))
      {
        echo (('SMTP -> FROM SERVER:'.$this->CRLF).$rply);
      }
      if (($code != 250))
      {
        $this->error = array ('error' => 'DATA not accepted from server', 'smtp_code' => $code, 'smtp_msg' => substr ($rply, 4));
        if ((1 <= $this->do_debug))
        {
          echo (((('SMTP -> ERROR: '.$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 ((2 <= $this->do_debug))
      {
        echo (('SMTP -> FROM SERVER:'.$this->CRLF).$rply);
      }
      if (($code != 250))
      {
        $this->error = array ('error' => 'EXPN not accepted from server', 'smtp_code' => $code, 'smtp_msg' => substr ($rply, 4));
        if ((1 <= $this->do_debug))
        {
          echo (((('SMTP -> ERROR: '.$this->error['error']).': ').$rply).$this->CRLF);
        }
        return false;
      }
      $entries = explode ($this->CRLF, $rply);
      while (true)
      {
        $l = each ($entries)[1];
        if ()
        {
          $list[] = substr ($l, 4);
          continue;
        }
        else
        {
          return $list;
          return null;
        }
      }
    }
    function hello ($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 ((2 <= $this->do_debug))
      {
        echo (('SMTP -> FROM SERVER: '.$this->CRLF).$rply);
      }
      if (($code != 250))
      {
        $this->error = array ('error' => ($hello.' not accepted from server'), 'smtp_code' => $code, 'smtp_msg' => substr ($rply, 4));
        if ((1 <= $this->do_debug))
        {
          echo (((('SMTP -> ERROR: '.$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');