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使用php的socket写的pop3类_php实例

2007-08-24 分类：PHP教程 阅读(864) 评论(0)
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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;
    }


    //退出登录
    function popLogout()
    {
        if (!$this->getIsConnect() && $this->bolIsLogin)
        {
            return false;
        }
        $this->sendCommand(“QUIT”);
        $this->getLineResponse();
        if (!$this->getRestIsSucceed())
        {
            return false;
        }
        return true;
    }


    //获取是否在线
    function getIsOnline()
    {
        if (!$this->getIsConnect() && $this->bolIsLogin)
        {
            return false;
        }
        $this->sendCommand(“NOOP”);
        $this->getLineResponse();
        if (!$this->getRestIsSucceed())
        {
            return false;
        }
        return true;        
    }


    //获取邮件数量和字节数(返回数组)
    function getMailSum($intReturnType=2)
    {
        if (!$this->getIsConnect() && $this->bolIsLogin)
        {
            return false;
        }
        $this->sendCommand(“STAT”);
        $strLineResponse = $this->getLineResponse();
        if (!$this->getRestIsSucceed())
        {
            return false;
        }
        if ($intReturnType==1)
        {
            return     $this->strResponse;
        }
        else
        {
            $arrResponse = explode(” “, $this->strResponse);
            if (!is_array($arrResponse) || count($arrResponse)<=0)
            {
                $this->setMessage(STAT command response message is error, 2006);
                return false;
            }
            return array($arrResponse[1], $arrResponse[2]);
        }
    }


    //获取指定邮件得Session Id
    function getMailSessId($intMailId, $intReturnType=2)
    {
        if (!$this->getIsConnect() && $this->bolIsLogin)
        {
            return false;
        }
        if (!$intMailId = intval($intMailId))
        {
            $this->setMessage(Mail message id invalid, 1005);
            return false;
        }
        $this->sendCommand(“UIDL “. $intMailId);
        $this->getLineResponse();
        if (!$this->getRestIsSucceed())
        {
            return false;
        }
        if ($intReturnType == 1)
        {
            return     $this->strResponse;
        }
        else
        {
            $arrResponse = explode(” “, $this->strResponse);
            if (!is_array($arrResponse) || count($arrResponse)<=0)
            {
                $this->setMessage(UIDL command response message is error, 2006);
                return false;
            }
            return array($arrResponse[1], $arrResponse[2]);
        }
    }


    //取得某个邮件的大小
    function getMailSize($intMailId, $intReturnType=2)
    {
        if (!$this->getIsConnect() && $this->bolIsLogin)
        {
            return false;
        }
        $this->sendCommand(“LIST “.$intMailId);
        $this->getLineResponse();
        if (!$this->getRestIsSucceed())
        {
            return false;
        }
        if ($intReturnType == 1)
        {
            return $this->strResponse;
        }
        else
        {
            $arrMessage = explode( , $this->strResponse);
            return array($arrMessage[1], $arrMessage[2]);
        }
    }


    //获取邮件基本列表数组
    function getMailBaseList($intReturnType=2)
    {
        if (!$this->getIsConnect() && $this->bolIsLogin)
        {
            return false;
        }
        $this->sendCommand(“LIST”);
        $this->getLineResponse();
        if (!$this->getRestIsSucceed())
        {
            return false;
        }
        return $this->getRespMessage($intReturnType);
    }


    //获取指定邮件所有信息，intReturnType是返回值类型，1是字符串,2是数组
    function getMailMessage($intMailId, $intReturnType=1)
    {
        if (!$this->getIsConnect() && $this->bolIsLogin)
        {
            return false;
        }
        if (!$intMailId = intval($intMailId))
        {
            $this->setMessage(Mail message id invalid, 1005);
            return false;
        }
        $this->sendCommand(“RETR “. $intMailId);
        $this->getLineResponse();
        if (!$this->getRestIsSucceed())
        {
            return false;
        }
        return $this->getRespMessage($intReturnType);
    }


    //获取某邮件前指定行, $intReturnType 返回值类型，1是字符串，2是数组
    function getMailTopMessage($intMailId, $intTopLines=10, $intReturnType=1)
    {
        if (!$this->getIsConnect() && $this->bolIsLogin)
        {
            return false;
        }
        if (!$intMailId=intval($intMailId) || !$intTopLines=int($intTopLines))
        {
            $this->setMessage(Mail message id or Top lines number invalid, 1005);
            return false;
        }
        $this->sendCommand(“TOP “. $intMailId .” “. $intTopLines);
        $this->getLineResponse();
        if (!$this->getRestIsSucceed())
        {
            return false;
        }
        return $this->getRespMessage($intReturnType);
    }


    //删除邮件
    function delMail($intMailId)
    {
        if (!$this->getIsConnect() && $this->bolIsLogin)
        {
            return false;
        }
        if (!$intMailId=intval($intMailId))
        {
            $this->setMessage(Mail message id invalid, 1005);
            return false;
        }
        $this->sendCommand(“DELE “.$intMailId);
        $this->getLineResponse();
        if (!$this->getRestIsSucceed())
        {
            return false;
        }
        return true;
    }


    //重置被删除得邮件标记为未删除
    function resetDeleMail()
    {
        if (!$this->getIsConnect() && $this->bolIsLogin)
        {
            return false;
        }
        $this->sendCommand(“RSET”);
        $this->getLineResponse();
        if (!$this->getRestIsSucceed())
        {
            return false;
        }
        return true;        
    }


 


    //—————
    // 调试操作
    //—————


    //输出对象信息
    function printObject()
    {
        print_r($this);
        exit;
    }


    //输出错误信息
    function printError()
    {
        echo “[Error Msg] : $strMessage     <br>\n”;
        echo “[Error Num] : $intErrorNum <br>\n”;
        exit;
    }


    //输出主机信息
    function printHost()
    {
        echo “[Host]  : $this->strHost <br>\n”;
        echo “[Port]  : $this->intPort <br>\n”;
        echo “[Email] : $this->strEmail <br>\n”;
        echo “[Passwd] : ******** <br>\n”;
        exit;
    }


    //输出连接信息
    function printConnect()
    {
        echo “[Connect] : $this->resHandler <br>\n”;
        echo “[Request] : $this->strRequest <br>\n”;
        echo “[Response] : $this->strResponse <br>\n”;
        exit;
    }
}


?>



<?
//测试代码
//例如：$o = SocketPOP3Client(邮箱地址, 密码, POP3服务器, POP3端口)


/*
set_time_limit(0);
$o = new SocketPOPClient(abc@126.com, 123456, pop.126.com, 110);
$o->popLogin();
print_r($o->getMailBaseList());
print_r($o->getMailSum(1));
print_r($o->getMailTopMessage(2, 2, 2));
$o->popLogout();
$o->closeHost();
$o->printObject();
*/
?> 


http://dev.csdn.net/author/heiyeshuwu/b0fd8972a5e942ba81d6d9f5a10ec267.html

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