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用PHP和ACCESS写聊天室(三)

程序员文章站 2022-10-05 22:52:11
cinput.php3 如下: 输入
cinput.php3
如下:
<html>
<head>
<title>输入</title>
<meta http-equiv="content-type" content="text/html; charset=gb2312">
<link rel="stylesheet" href="main.css" type="text/css">
<script language="javascript">
<!--
function namegotfocus( ) {
        document.frminput.txtsend.focus();
}

function checkvalid() {
    document.frminput.semotion.value=top.emotion.frmemotion.selemotion.value;
    document.frminput.scolor.value=top.emotion.frmemotion.selcolor.value;
    if (document.frminput.txtsend.value == "") {
        document.frminput.txtsend.focus();
        return false;
    }
    return true;
}

//-->
</script>
<link rel="stylesheet" href="main.css" type="text/css">
</head>
<body onload="namegotfocus()">
<?php
function suiji($max){
    srand((double)microtime()*1000000);
    $x=rand();
    $y=getrandmax();
    $r=$x/$y*($max-1);
    $r=round($r++);
    return $r;
}

function stroccurs($sstr, $sfind){
    $stemp=$sstr;
    $ilen=strlen($sfind);
    $icount=0;
    while (true){
        if (strstr($stemp, $sfind))
            break;
        else{
            $stemp = substr($stemp,strpos($stemp,$sfind)+$ilen);
            $icount++;
        }
    }
    return $icount;
}

function strdupl($sstr, $icnt){
    $ret="";
    for($i=1;$i<=$icnt;$i++)
        $ret.=$sstr;
    return $ret;
}

function delquot($sstr){
    $s=str_replace(chr(124),"¦",$sstr);
    $s=str_replace(chr(39),"´",$s);
    $s=str_replace(chr(34),""",$s);
    return $s;
}

function deltag($sstr){
    $bneed="false";
    $sother=strtoupper($sstr);
    if ($bneed!="true" || !strstr($sother,"<table")) $bneed="true";
    if ($bneed!="true" || !strstr($sother,"</table")) $bneed="true";
    if ($bneed!="true" || !strstr($sother,"<script")) $bneed="true";
    if ($bneed!="true" || !strstr($sother,"</script")) $bneed="true";
    if ($bneed!="true" || !strstr($sother,"<body")) $bneed="true";
    if ($bneed!="true" || !strstr($sother,"</body")) $bneed="true";
    if ($bneed!="true" || !strstr($sother,"<html")) $bneed="true";
    if ($bneed!="true" || !strstr($sother,"</html")) $bneed="true";
    if ($bneed!="true" || !strstr($sother,"<head")) $bneed="true";
    if ($bneed!="true" || !strstr($sother,"</head")) $bneed="true";
    if ($bneed!="true" || !strstr($sother,"<form")) $bneed="true";
    if ($bneed!="true" || !strstr($sother,"</form")) $bneed="true";
    if ($bneed!="true" || !strstr($sother,"<input")) $bneed="true";
    if ($bneed!="true" || !strstr($sother,"</input")) $bneed="true";
    if ($bneed!="true" || !strstr($sother,"<option")) $bneed="true";
    if ($bneed!="true" || !strstr($sother,"</option")) $bneed="true";
    if ($bneed!="true" || !strstr($sother,"<select")) $bneed="true";
    if ($bneed!="true" || !strstr($sother,"</select")) $bneed="true";
    if ($bneed!="true" || !strstr($sother,"<applet")) $bneed="true";
    if ($bneed!="true" || !strstr($sother,"</applet")) $bneed="true";
    if ($bneed!="true" || !strstr($sother,"<object")) $bneed="true";
    if ($bneed!="true" || !strstr($sother,"</object")) $bneed="true";
    if ($bneed!="true" || !strstr($sother,"<menu")) $bneed="true";
    if ($bneed!="true" || !strstr($sother,"</menu")) $bneed="true";
    if ($bneed!="true" || !strstr($sother,"<frameset")) $bneed="true";
    if ($bneed!="true" || !strstr($sother,"</frameset")) $bneed="true";
    if ($bneed!="true" || !strstr($sother,"<frame")) $bneed="true";
    if ($bneed!="true" || !strstr($sother,"</frame")) $bneed="true";
    if ($bneed!="true" || !strstr($sother,"<iframe")) $bneed="true";
    if ($bneed!="true" || !strstr($sother,"</iframe")) $bneed="true";
    if ($bneed!="true" || !strstr($sother,"<style")) $bneed="true";
    if ($bneed!="true" || !strstr($sother,"</style")) $bneed="true";
    if ($bneed!="true" || !strstr($sother,"<base")) $bneed="true";
    if ($bneed!="true" || !strstr($sother,"font-size:")) $bneed="true";
    if ($bneed=="true")
        return str_replace(">",">",str_replace("<","<",$sstr));
    else
        return $sstr;
}

function addlost($sstr){
    $ret=$sstr;
    $ret.=strdupl(">", (stroccurs(strtoupper($ret), "<") - stroccurs(strtoupper($ret), ">")));
    $ret.=strdupl("</font>", (stroccurs(strtoupper($ret), "<font") - stroccurs(strtoupper($ret), "</font>")));
    $ret.=strdupl("</b>", (stroccurs(strtoupper($ret), "<b") - stroccurs(strtoupper($ret), "</b>")));
    $ret.=strdupl("</i>", (stroccurs(strtoupper($ret), "<i") - stroccurs(strtoupper($ret), "</i>")));
    $ret.=strdupl("</u>", (stroccurs(strtoupper($ret), "<u") - stroccurs(strtoupper($ret), "</u>")));
    $ret.=strdupl("</s>", (stroccurs(strtoupper($ret), "<s") - stroccurs(strtoupper($ret), "</s>")));
    $ret.=strdupl("</strike>", (stroccurs(strtoupper($ret), "<strike") - stroccurs(strtoupper($ret), "</strike>")));
    $ret.=strdupl("</strong>", (stroccurs(strtoupper($ret), "<strong") - stroccurs(strtoupper($ret), "</strong>")));
    $ret.=strdupl("</small>", (stroccurs(strtoupper($ret), "<small") - stroccurs(strtoupper($ret), "</small>")));
    $ret.=strdupl("</cite>", (stroccurs(strtoupper($ret), "<cite") - stroccurs(strtoupper($ret), "</cite>")));
    $ret.=strdupl("</em>", (stroccurs(strtoupper($ret), "<em") - stroccurs(strtoupper($ret), "</em>")));
    $ret.=strdupl("</code>", (stroccurs(strtoupper($ret), "<code") - stroccurs(strtoupper($ret), "</code>")));
    $ret.=strdupl("</samp>", (stroccurs(strtoupper($ret), "<samp") - stroccurs(strtoupper($ret), "</samp>")));
    $ret.=strdupl("</kbd>", (stroccurs(strtoupper($ret), "<kbd") - stroccurs(strtoupper($ret), "</kbd>")));
    $ret.=strdupl("</var>", (stroccurs(strtoupper($ret), "<var") - stroccurs(strtoupper($ret), "</var>")));
    $ret.=strdupl("</dfn>", (stroccurs(strtoupper($ret), "<dfn") - stroccurs(strtoupper($ret), "</dfn>")));
    $ret.=strdupl("</big>", (stroccurs(strtoupper($ret), "<big") - stroccurs(strtoupper($ret), "</big>")));
    $ret.=strdupl("</sup>", (stroccurs(strtoupper($ret), "<sup") - stroccurs(strtoupper($ret), "</sup>")));
    $ret.=strdupl("</sub>", (stroccurs(strtoupper($ret), "<sub") - stroccurs(strtoupper($ret), "</sub>")));
    $ret.=strdupl("</h1>", (stroccurs(strtoupper($ret), "<h1") - stroccurs(strtoupper($ret), "</h1>")));
    $ret.=strdupl("</h2>", (stroccurs(strtoupper($ret), "<h2") - stroccurs(strtoupper($ret), "</h2>")));
    $ret.=strdupl("</h3>", (stroccurs(strtoupper($ret), "<h3") - stroccurs(strtoupper($ret), "</h3>")));
    $ret.=strdupl("</h4>", (stroccurs(strtoupper($ret), "<h4") - stroccurs(strtoupper($ret), "</h4>")));
    $ret.=strdupl("</h5>", (stroccurs(strtoupper($ret), "<h5") - stroccurs(strtoupper($ret), "</h5>")));
    $ret.=strdupl("</h6>", (stroccurs(strtoupper($ret), "<h6") - stroccurs(strtoupper($ret), "</h6>")));
    $ret.=strdupl("</h7>", (stroccurs(strtoupper($ret), "<h7") - stroccurs(strtoupper($ret), "</h7>")));
    return $ret;
}

$ssecret="false";
$srefrate=5;
$connid=@odbc_connect("jtfcht","admin","");
if ($connid){
    if ($id=="1" && $ps="superldz"){
        $result=@odbc_exec($connid,"select refrate from user where userid=".$id);
        if (@odbc_fetch_into($result,0,&$rarr)){
            $srefrate=$rarr[0];
            if ($cmdsend=="送出"){
                $srefrate=(int)($txtrefrate);
                if ($srefrate<2) $srefrate=2;
                @odbc_exec($connid,"update user set refrate=".$srefrate.",lsttime=".time()." where userid=".($id));
                @odbc_exec($connid,"insert into chtcont (sidfrom, snamefrom, sipfrom, sidto, snameto, stime, scont, bsecret, roomid) values (".$id.", '管理员', '".getenv("remote_addr")."', 0, '大家', '".date("h:i:s")."', '<font color=gray>【系统消息】".trim(delquot(htmlspecialchars($txtsend)))."</font>', false, 0)");
            }
        }
    }
    else{
        $result=@odbc_exec($connid,"select userid,username,password,lsttime,secret,refrate,toid,toname,roomid from user where userid=".($id));
        if (@odbc_fetch_into($result,0,&$rarr)){
            if ($rarr[2]==$ps){
                if ($rarr[3]>=(time()-1800)){
                    if ($rarr[4]) $ssecret="true";
                    $srefrate=$rarr[5];
                    if ($cmdsend=="送出"){
                        $susername=$rarr[1];
                        $stoid=$rarr[6];
                        $stoname=$rarr[7];
                        $sroomid=$rarr[8];
                        //$ssend=addlost(deltag(delquot($txtsend)));
                        $ssend=delquot(htmlspecialchars($txtsend));
                        if ($chksecret=="yes"){
                            $ssecret="true";
                            $stalk="悄悄说:";
                        }
                        else{
                            $ssecret="false";
                            $stalk="说:";
                        }
                        $srefrate=(int)($txtrefrate);
                        if ($srefrate<2) $srefrate=2;
                        @odbc_exec($connid,"update user set emotionid=".$semotion.",colorid='".$scolor."',secret=".$ssecret.",refrate=".$srefrate.",lsttime=".time()." where userid=".$id);
                        $bcht="true";
                        $btome="false";
                        if (substr($ssend,0,3)=="/t "){
                            $schtcont="<font color=blue><i>%m想".substr($ssend,3)."</i></font>";
                            $ssecret="false";
                            $bcht="false";
                        }
                        elseif (substr($ssend,0,3)=="/: "){
                            $schtcont="<font color=red>%m".substr($ssend,3)."</font>";
                            $ssecret="false";
                            $bcht="false";
                        }
                        elseif (strtolower(substr($ssend,0,3))=="/w "){
                            $result=@odbc_exec($connid,"select roomid from user where username='".trim(substr($ssend,3))."'");
                            if (@odbc_fetch_into($result,0,&$rarr)){
                                if ($rarr[0]>0){
                                    $result=@odbc_exec($connid,"select roomname from room where roomid=".$rarr[0]);
                                    if (@odbc_fetch_into($result,0,&$rarr))
                                        $schtcont="<font color=gray>【系统消息】".trim(substr($ssend,3))."目前在房间".$rarr[0]."。</font>";
                                    else
                                        $schtcont="<font color=gray>【系统消息】系统混乱了,".trim(substr($ssend,3))."目前在的房间不可识别!</font>";
                                }
                                else
                                    $schtcont="<font color=gray>【系统消息】".trim(substr($ssend,3))."目前没有上线。</font>";
                                $ssecret="true";
                                $bcht="false";
                            }
                            else{
                                $schtcont="<font color=gray>【系统消息】没有".trim(substr($ssend,3))."这个人。</font>";
                                $ssecret="true";
                                $bcht="false";
                            }
                            $btome="true";
                        }
                        elseif (substr($ssend,0,3)=="// "){
                            $result=@odbc_exec($connid,"select actcont from action where actid='".trim(substr($ssend,3))."'");
                            if (@odbc_fetch_into($result,0,&$rarr)){
                                $schtcont="<font color=red>".trim($rarr[0])."</font>";
                                $ssecret="false";
                                $bcht="false";
                            }
                            else $bcht="true";
                        }
                        if ($bcht=="true"){
                            $result=@odbc_exec($connid,"select count(emotiontp) as cnt_tp from emotion where emotiontp=".$semotion);
                            @odbc_fetch_into($result,0,&$rarr);
                            if ($rarr[0]>0){
                                $iemcnt=suiji($rarr[0]);
                                $result=@odbc_exec($connid,"select emotioncont from emotion where emotiontp=".$semotion." and emotionid=".$iemcnt);
                                if (@odbc_fetch_into($result,0,&$rarr))
                                    $schtcont="%m".trim($rarr[0])."对%g".$stalk.$ssend;
                                else
                                    $schtcont="%m对%g".$stalk.$ssend;
                            }
                            else $schtcont="%m对%g".$stalk.$ssend;
                            if ($ssecret=="true")
                                $schtcont="<font color=green>".$schtcont."</font>";
                            else
                                $schtcont="<font color=#".$scolor.">".$schtcont."</font>";
                        }
                        if ($btome=="true")
                            @odbc_exec($connid,"insert into chtcont (sidfrom, snamefrom, sipfrom, sidto, snameto, stime, scont, bsecret, roomid) values (0, '大家', '".getenv("remote_addr")."', ".$id.", '".$susername."', '".date("h:i:s")."', '".$schtcont."', ".$ssecret.", ".$sroomid.")");
                        else
                            @odbc_exec($connid,"insert into chtcont (sidfrom, snamefrom, sipfrom, sidto, snameto, stime, scont, bsecret, roomid) values (".$id.", '".$susername."', '".getenv("remote_addr")."', ".$stoid.", '".$stoname."', '".date("h:i:s")."', '".$schtcont."', ".$ssecret.", ".$sroomid.")");
                    }
                }
            }
        }
    }
    @odbc_close($connid);
}
?>
<div align="center"><center><form method="post" action="cinput.php3" name="frminput" onsubmit="return checkvalid();">
    <input type="hidden" name="semotion" value="0"><input type="hidden" name="scolor" value="000000">
<?php
    if ($ssecret=="true")
        echo "t<input type="checkbox" name="chksecret" value="yes" checked>悄悄话n";
    else
        echo "t<input type="checkbox" name="chksecret" value="yes">悄悄话n";
?>
    <input type="text" name="txtsend" maxlength="120" size="39"><input type="hidden" name="id" value="<?php echo $id; ?>"><input type="hidden" name="ps" value="<?php echo $ps; ?>">
    <input type="submit" name="cmdsend" value="送出">
    刷新:<input type="text" name="txtrefrate" maxlength="2" size="2" value="<?php echo $srefrate; ?>">
    <input type="button" name="cmdexit" onclick="parent.location='leave.php3?id=<?php echo $id; ?>&ps=<?php echo $ps; ?>&at=<?php echo time(); ?>'" value="退出">
</form></center></div>
</body>
</html>  

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