使用PHP的Socket写的POP3类

时间:2009-03-17 00:01:52   来源:第二电脑网上收集  作者:第二电脑网

  第二电脑网导读:有抄他滴,HOHO,绝对原创。如果你喜欢,请收藏,随便修改,嗯,但是记得不要删除偶类里的声名,毕竟偶也是辛辛苦苦写了好几天呐。另外,欢迎自由发挥,改善或者修正这个类,希望能够为你所用。代码没有认真仔细的调试,发现bug请自己修正,HOHO!<?php /**  * 类名:SocketPOPClient  * 功能:POP3 协议客户端的基本操作类  * 作...
  正文:

查看 POP3/SMTP 协议的时候想尝试一下自己写一个操作类,核心没啥,就是使用 fsockopen ,然后写入/接收数据,只实现了最核心的部分功能,当作是学习 Socket 操作的练手。其中参考了 RFC 2449和一个国外的简单Web邮件系统 Uebimiau 的部分代码,不过绝对没有抄他滴,HOHO,绝对原创。如果你喜欢,请收藏,随便修改,嗯,但是记得不要删除偶类里的声名,毕竟偶也是辛辛苦苦写了好几天呐。
另外,欢迎自由发挥,改善或者修正这个类,希望能够为你所用。代码没有认真仔细的调试,发现bug请自己修正,HOHO!

<?PHP
/**
 * 类名:SocketPOPClient
 * 功能:POP3 协议客户端的基本操作类
 * 作者:heiyeluren <http://blog.csdn.net/heiyeshuwu>
 * 时间:2006-7-3
 * 参考:RFC 2449, Uebimiau
 * 授权:BSD License
 */

class SocketPOPClient
{
    var $strMessage        = '';
    var $intErrorNum    = 0;
    var $bolDebug        = false;
    
    var $strEmail        = '';
    var $strPasswd        = '';
    var $strHost        = '';
    var $intPort        = 110;
    var $intConnSecond    = 30;
    var $intBuffSize    = 8192;

    var $resHandler        = NULL;
    var $bolIsLogin        = false;
    var $strRequest        = '';
    var $strResponse    = '';
    var $arrRequest        = array();
    var $arrResponse    = array();


    //---------------
    // 基础操作
    //---------------

    //构造函数
    function SocketPOP3Client($strLoginEmail, $strLoginPasswd, $strPopHost='', $intPort='')
    {
        $this->strEmail        = trim(strtolower($strLoginEmail));
        $this->strPasswd    = trim($strLoginPasswd);
        $this->strHost        = trim(strtolower($strPopHost));

        if ($this->strEmail=='' || $this->strPasswd=='')
        {
            $this->setMessage('Email address or Passwd is empty', 1001);
            return false;
        }
        if (!preg_match("/^[/w-]+(/.[/w-]+)*@[/w-]+(/.[/w-]+)+$/i", $this->strEmail))
        {
            $this->setMessage('Email address invalid', 1002);
            return false;
        }
        if ($this->strHost=='')
        {
            $this->strHost = substr(strrchr($this->strEmail, "@"), 1);
        }
        if ($intPort!='')
        {
            $this->intPort = $intPort;
        }
        $this->connectHost();
    }
    
    //连接服务器
    function connectHost()
    {
        if ($this->bolDebug)
        {
            echo "Connection ".$this->strHost." .../r/n";
        }
        if (!$this->getIsConnect())
        {
            if ($this->strHost=='' || $this->intPort=='')
            {
                $this->setMessage('POP3 host or Port is empty', 1003);
                return false;            
            }
            $this->resHandler = @fsockopen($this->strHost, $this->intPort, &$this->intErrorNum, &$this->strMessage, $this->intConnSecond);
            if (!$this->resHandler)
            {
                $strErrMsg = 'Connection POP3 host: '.$this->strHost.' failed';
                $intErrNum = 2001;
                $this->setMessage($strErrMsg, $intErrNum);
                return false;
            }
            $this->getLineResponse();
            if (!$this->getRestIsSucceed())
            {
                return false;
            }
        }
        return true;
    }

    //关闭连接
    function closeHost()
    {
        if ($this->resHandler)
        {
            fclose($this->resHandler);
        }
        return true;
    }

    //发送指令
    function sendCommand($strCommand)
    {
        if ($this->bolDebug)
        {
            if (!preg_match("/PASS/", $strCommand))
            {
                echo "Send Command: ".$strCommand."/r/n";
            }
            else
            {
                echo "Send Command: PASS ******/r/n";
            }

        }
        if (!$this->getIsConnect())
        {
            return false;
        }
        if (trim($strCommand)=='')
        {
            $this->setMessage('Request command is empty', 1004);
            return false;
        }
        $this->strRequest = $strCommand."/r/n";
        $this->arrRequest[] = $strCommand;
        fputs($this->resHandler, $this->strRequest);
        return true;
    }

    //提取响应信息第一行
    function getLineResponse()
    {
        if (!$this->getIsConnect())
        {
            return false;
        }
        $this->strResponse = fgets($this->resHandler, $this->intBuffSize);
        $this->arrResponse[] = $this->strResponse;

        return $this->strResponse;        
    }

    //提取若干响应信息,$intReturnType是返回值类型, 1为字符串, 2为数组
    function getRespMessage($intReturnType)
    {
        if (!$this->getIsConnect())
        {
            return false;
        }
        if ($intReturnType == 1)
        {
            $strAllResponse = '';
            while(!feof($this->resHandler))
            {
                $strLineResponse = $this->getLineResponse();
                if (preg_match("/^/+OK/", $strLineResponse))
                {
                    continue;
                }
                if (trim($strLineResponse)=='.')
                {
                    break;
                }
                $strAllResponse .= $strLineResponse;
            }
            return $strAllResponse;
        }
        else
        {
            $arrAllResponse = array();
            while(!feof($this->resHandler))
            {
                $strLineResponse = $this->getLineResponse();
                if (preg_match("/^/+OK/", $strLineResponse))
                {
                    continue;
                }
                if (trim($strLineResponse)=='.')
                {
                    break;
                }
                $arrAllResponse[] = $strLineResponse;
            }
            return $arrAllResponse;            
        }
    }

    //提取请求是否成功
    function getRestIsSucceed($strRespMessage='')
    {
        if (trim($responseMessage)=='')
        {
            if ($this->strResponse=='')
            {
                $this->getLineResponse();
            }
            $strRespMessage = $this->strResponse;
        }
        if (trim($strRespMessage)=='')
        {
            $this->setMessage('Response message is empty', 2003);
            return false;
        }
        if (!preg_match("/^/+OK/", $strRespMessage))
        {
            $this->setMessage($strRespMessage, 2000);
            return false;
        }
        return true;
    }

    //获取是否已连接
    function getIsConnect()
    {
        if (!$this->resHandler)
        {
            $this->setMessage("Nonexistent availability connection handler", 2002);
            return false;
        }
        return true;
    }


    //设置消息
    function setMessage($strMessage, $intErrorNum)
    {
        if (trim($strMessage)=='' || $intErrorNum=='')
        {
            return false;
        }
        $this->strMessage    = $strMessage;
        $this->intErrorNum    = $intErrorNum;
        return true;
    }

    //获取消息
    function getMessage()
    {
        return $this->strMessage;
    }

    //获取错误号
    function getErrorNum()
    {
        return $this->intErrorNum;
    }

    //获取请求信息
    function getRequest()
    {
        return $this->strRequest;        
    }

    //获取响应信息
    function getResponse()
    {
        return $this->strResponse;
    }


    //---------------
    // 邮件原子操作
    //---------------

    //登录邮箱
    function popLogin()
    {
        if (!$this->getIsConnect())
        {
            return false;
        }
        $this->sendCommand("USER ".$this->strEmail);
        $this->getLineResponse();
        $bolUserRight = $this->getRestIsSucceed();

        $this->sendCommand("PASS ".$this->strPasswd);
        $this->getLineResponse();
        $bolPassRight = $this->getRestIsSucceed();

        if (!$bolUserRight || !$bolPassRight)
        {
            $this->setMessage($this->strResponse, 2004);
            return false;
        }        
        $this->bolIsLogin = true;
        return true;
    }


来源:http://www.002pc.com/master/College/Programming/PHP/2008-11-27/4198.html

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