index.lib.php3

使用PHP编程的聊天室

// ** Enter the chat **
if(!isset($Error) && (isset($N) && $N != ""))
{
	if(isset($R2) && $R2 != "")
	{
		$R = $R2;
	}
	elseif (!isset($R))		// $R is set when the frameset is reloaded because of the NN4+ resize bug.
	{
		$T = 1;
		$R = (isset($R0) && $R0 != "")? $R0 : $R1;
	};

	$CookieRoom = urlencode(stripslashes($R));
	setcookie("CookieRoom", $CookieRoom, time() + 60*60*24*365);        // cookie expires in one year
	setcookie("CookieRoomType", $T, time() + 60*60*24*365);        // cookie expires in one year
	if (isset($HTTP_COOKIE_VARS))
	{
		if (isset($HTTP_COOKIE_VARS["CookieMsgOrder"])) $CookieMsgOrder = $HTTP_COOKIE_VARS["CookieMsgOrder"];
		if (isset($HTTP_COOKIE_VARS["CookieShowTimestamp"])) $CookieShowTimestamp = $HTTP_COOKIE_VARS["CookieShowTimestamp"];
		if (isset($HTTP_COOKIE_VARS["CookieNotify"])) $CookieNotify = $HTTP_COOKIE_VARS["CookieNotify"];
	};
	if (!isset($O)) $O = isset($CookieMsgOrder) ? $CookieMsgOrder : C_MSG_ORDER;
	if (!isset($ST)) $ST = isset($CookieShowTimestamp) ? $CookieShowTimestamp : C_SHOW_TIMESTAMP;
	if (!isset($NT)) $NT = isset($CookieNotify) ? $CookieNotify : C_NOTIFY;
	if (!isset($PWD_Hash)) $PWD_Hash = (isset($reguser) && $reguser ?  md5(stripslashes($PASSWORD)) : "");
	// Set the $IP var
	if (!isset($IP) || $IP == "") include("./${ChatPath}lib/get_IP.lib.php3");

	// Define the user status to be put in the users table if necessary. Skipped when the
	// frameset is reloaded because of the NN4+ resize bug.
	if (!isset($Reload) || $Reload != "NNResize")
	{
		if (!isset($perms)) $perms = ((isset($reguser) && $reguser) ? "" : "noreg");
		switch ($perms)
		{
			case 'admin':
				$status = "a";
				break;
			case 'moderator':
				$status = (room_in(stripslashes($R), $rooms) ? "m" : "r");
				break;
			case 'noreg':
				$status = "u";
				break;
			default:
				$status = "r";
		};
	};

	// Udpates the IP address and the last log. time of the user in the regsistered users table if necessary
	if (isset($reguser) && $reguser) $DbLink->query("UPDATE ".C_REG_TBL." SET reg_time='".time()."', ip='$IP' WHERE username='$U'");

	// In the case of a registered user that logs again...
	// ...in the same room update his logging time and update his IP address;
	// ...in an other room kick him from the other room, put a notification message of
	// 		exit for this room, update the users table and put a notification message of
	// 		entrance for the room he log in.
	if (isset($relog) && $relog)
	{
		if (stripslashes($R) == $room)
		{
			$DbLink->query("UPDATE ".C_USR_TBL." SET u_time='".time()."', ip='$IP' WHERE username='$U'");
		}
		else
		{
			$DbLink->query("SELECT type FROM ".C_MSG_TBL." WHERE room='".addslashes($room)."' LIMIT 1");
			list($type) = $DbLink->next_record();
			$DbLink->clean_results();
			$DbLink->query("INSERT INTO ".C_MSG_TBL." VALUES ('$type', '".addslashes($room)."', 'SYS exit', '', ".time().", '', 'sprintf(L_EXIT_ROM, \"".special_char($U,$Latin1)."\")')");
			$DbLink->query("INSERT INTO ".C_MSG_TBL." VALUES ($T, '$R', 'SYS enter', '', ".time().", '', 'sprintf(L_ENTER_ROM, \"".special_char($U,$Latin1)."\")')");
			$DbLink->query("UPDATE ".C_USR_TBL." SET room='$R',u_time='".time()."', status='$status', ip='$IP' WHERE username='$U'");
		};
	}
	// In the case of an user that logs again in the same room because of the resize bug of NN4+ 
	// update his logging time and his IP address
	elseif (isset($Reload) && $Reload == "NNResize")
	{
		$DbLink->query("UPDATE ".C_USR_TBL." SET room='$R',u_time='".time()."', ip='$IP' WHERE username='$U'");
	}
	// For all other case of users entering in, set user infos. in users table and put a
	// notification message of entrance in the messages table
	else
	{
		$DbLink->query("INSERT INTO ".C_USR_TBL." VALUES ('$R', '$U', '$Latin1', ".time().", '$status','$IP')");
		$DbLink->query("INSERT INTO ".C_MSG_TBL." VALUES ($T, '$R', 'SYS enter', '', ".time().", '', 'sprintf(L_ENTER_ROM, \"".special_char($U,$Latin1)."\")')");
	};

	// Delete invite messages sent to the user for the room he will enter in
	$DbLink->query("SELECT m_time FROM ".C_MSG_TBL." WHERE username='SYS inviteTo' AND address='$U' AND room='$R'");
	if($DbLink->num_rows() != 0)
	{
		$DelLink = new DB;
		while(list($Time) = $DbLink->next_record())
		{
			$DelLink->query("DELETE FROM ".C_MSG_TBL." WHERE m_time='$Time' AND (username='SYS inviteFrom' OR (username='SYS inviteTo' AND address='$U'))");
		};
	};
	?>
	<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Frameset//EN">
	<HTML>
	<HEAD>
	<TITLE><?php echo(APP_NAME); ?></TITLE>
	<LINK REL="SHORTCUT ICON" HREF="<?php echo($ChatPath); ?>favicon.ico">
	<SCRIPT TYPE="text/javascript" LANGUAGE="JavaScript">
	<!--
	// Display & remove the server time at the status bas
	function clock(gap)
	{
		cur_date = new Date();
		calc_date = new Date(cur_date - gap);
		calc_hours = calc_date.getHours();
		calc_minuts = calc_date.getMinutes();
		calc_seconds = calc_date.getSeconds();
		if (calc_hours < 10) calc_hours = "0" + calc_hours;
		if (calc_minuts < 10) calc_minuts = "0" + calc_minuts;
		if (calc_seconds < 10) calc_seconds = "0" + calc_seconds;
		calc_time = calc_hours + ":" + calc_minuts + ":" + calc_seconds;
		window.status = "<?php echo(L_SVR_TIME); ?>" + calc_time;

		clock_disp = setTimeout('clock(' + gap + ')', 1000);
	}

	function stop_clock()
	{
		clearTimeout(clock_disp);
		window.status = '';
	}

	function calc_gap(serv_date)
	{
		server_date = new Date(serv_date);
		local_date = new Date();
		return local_date - server_date;
	}

	<?php
	if ($ST == 1)
	{
		$CorrectedDate = mktime(date("H") + C_TMZ_OFFSET,date("i"),date("s"),date("m"),date("d"),date("Y"));
		?>
		gap = calc_gap("<?php echo(date("F d, Y H:i:s", $CorrectedDate)); ?>");
		clock(gap);
		<?php
	}
	?>

	// Automatically execute a command
	function runCmd(CmdName,infos)
	{
		if (input && input.window.document.Form)
		{
			var inputForm = input.window.document.Form;
			if (infos != "") infos = " " + infos;
			inputForm.M.value = "/" + CmdName + infos;
			inputForm.sent.value = '1';
			if (document.all) inputForm.sendForm.disabled = true;
			inputForm.submit();
		};
	};

	// Misc vars
	var is_ignored_popup = null;
	var path2Chat = "<?php echo($ChatPath); ?>";

	<?php
	if ($Ver == "H")
	{
		?>
		// Emulates replace method for non-js1.1 compliant browsers
		if (typeof(location.replace)=='undefined') location.replace = location.assign;

		// Forced reload of the loader frame, function called by the input frame
		var time4LastLoadedMsg = null;
		var time4LastCheckedUser = null;
		var refresh_query = "<?php echo("From=$From&L=$L&U=".urlencode(stripslashes($U))."&R=".urlencode(stripslashes($R))."&T=$T&D=$D&N=$N&ST=$ST&NT=$NT&First=1"); ?>";
		function force_refresh()
		{
			query = refresh_query + "&LastLoad=" + time4LastLoadedMsg + "&LastCheck=" + time4LastCheckedUser;
			loader.location.replace("loader.php3?" + query);
		}
		<?php
	}
	else
	{
		?>
		ver4 = false;
		<?php
	};
	?>

	// Launch the help popup
	var is_help_popup = null;

	function help_popup()
	{
		if (is_help_popup && !is_help_popup.closed)
		{
			is_help_popup.focus();
		}
		else
		{
			var scrTop = parent.mouseY-400;
			var scrLeft = parent.mouseX-<?php echo($Charset == "windows-1256" ? "610" : "10"); ?>;
			var scrPos = "top=" + scrTop + ",screenY=" + scrTop + ",left=" + scrLeft + ",screenX=" + scrLeft + ",";
			is_help_popup = window.open("help_popup.php3?<?php echo("L=$L&Ver=$Ver"); ?>","help_popup",scrPos + "width=600,height=350,scrollbars=yes,resizable=yes");
		};
	};
	// -->
	</SCRIPT>
	<SCRIPT TYPE="text/javascript" LANGUAGE="javascript1.1">
	<!--
	// Misc vars
	imgHelpOff = new Image(15,15); imgHelpOff.src = path2Chat + "images/helpOff.gif";
	imgHelpOn = new Image(15,15); imgHelpOn.src = path2Chat + "images/helpOn.gif";
	imgWhoisOff = new Image(5,9); imgWhoisOff.src = path2Chat + "images/whoisOff.gif";
	imgWhoisOn = new Image(5,9); imgWhoisOn.src = path2Chat + "images/whoisOn.gif";

	// Put the nick of the user who was clicked on in the messages or the users frames
	// to the message box in the input frame;
	function userClick(user,privMsg)
	{
		if (input && input.window.document.Form.MsgTo)
		{
			input.window.document.Form.MsgTo.value = user;
			var msgbox = input.window.document.Form.M;
			if (privMsg)
			{
				var oldStr = msgbox.value;
				if (oldStr == "" || oldStr.substring(0,1) != " ") oldStr = " " + oldStr;
				msgbox.value = "/TO " + user + oldStr;
			}
			else
			{
				msgbox.value += user;
				if (msgbox.value == user) msgbox.value += "> ";
			};
			msgbox.focus();
		};
	};

	// Color choice at the input frame; 
	imgColor1 = new Image(4,20); imgColor1.src = path2Chat + "images/unselColor.gif";
	imgColor2 = new Image(4,20); imgColor2.src = path2Chat + "images/selColor.gif";
	var SelColor = null;

	function ChangeColor(ColorVal,ColorRank)
	{
		if (SelColor != ColorRank)
		{
			if (document.all)
			{
				obj1 = input.document.all[SelColor];
				obj2 = input.document.all[ColorRank];
			}
			else if (document.images)
			{
				obj1 = input.document.images[SelColor];
				obj2 = input.document.images[ColorRank];
			}
			else return;

			if (SelColor != null)
			{
				obj1.src = imgColor1.src;
			};
			SelColor = ColorRank;
			input.document.Form.C.value = ColorVal;
			obj2.src = imgColor2.src;
		};
		input.document.Form.M.focus();
	};

	// Set the focus to the message box at the input frame; 
	function get_focus()
	{
		input.window.focus();
		input.document.Form.M.focus();
	};
	// -->
	</SCRIPT>
	<SCRIPT TYPE="text/javascript" LANGUAGE="JavaScript1.2">
	<!--
	// Get the position for the help popup
	var mouseX = 0;
	var mouseY = 0;

	function displayLocation(e)
	{
		if (ver4)
		{
			if (IE4) e = input.event;
			mouseX = e.screenX;
			mouseY = e.screenY;
		}
		return;
	}

	// Misc vars used in input frame to ensure a valid command is submitted and send an error message else
	errMsg = "<?php echo(str_replace("\"","\\\"",L_BAD_CMD)); ?>";
	re = /^\/(!$|announce .+|ban .+|clear$|help$|\?$|ignore|invite .+|join .+|kick .+|msg .+|to .+|notify$|order$|profile$|promote .+|quit|exit|bye|refresh|save|show|last|timestamp$|whois .+)/i;
	// -->
	</SCRIPT>
	<?php
	if ($Ver == "H")
	{
		?>
		<SCRIPT SRC="<?php echo($ChatPath); ?>lib/usersH.js" TYPE="text/javascript" LANGUAGE="JavaScript1.2"></SCRIPT>
		<SCRIPT SRC="<?php echo($ChatPath); ?>lib/connectStateH.js" TYPE="text/javascript" LANGUAGE="JavaScript1.2"></SCRIPT>
		<?php
	};
	$Ver1 = ($Ver == "H" ? $Ver : "L");
	$AddPwd2Url = ($PWD_Hash != "" ? "&PWD_Hash=$PWD_Hash" : "");
	include("./${ChatPath}lib/frameset_def.lib.php3");
	?>
	</HTML>
	<?php
	$DbLink->close();
	exit;
}
?>

<?php
// ----	The send_headers function add lines at the head part of your html file.
//		$title var allows to show "phpMyChat" as the title for your window if it set to 1/true.