global.func.php

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<?php

/*
	[Discuz!] (C)2001-2007 Comsenz Inc.
	This is NOT a freeware, use is subject to license terms

	$Id: global.func.php 13601 2008-04-27 15:27:22Z liuqiang $
*/

if(!defined('IN_DISCUZ') || !defined('IN_ADMINCP')) {
        exit('Access Denied');
}

@set_time_limit(0);

function istpldir($dir) {
	return is_dir(DISCUZ_ROOT.'./'.$dir) && !in_array(substr($dir, -1, 1), array('/', '\\')) &&
		 strpos(realpath(DISCUZ_ROOT.'./'.$dir), realpath(DISCUZ_ROOT.'./templates')) === 0;
}

function isplugindir($dir) {
	return !$dir || (!preg_match("/(\.\.|[\\\\]+$)/", $dir) && substr($dir, -1) =='/');
}

function ispluginkey($key) {
	return preg_match("/^[a-z]+[a-z0-9_]*$/i", $key);
}

function dir_writeable($dir) {
	if(!is_dir($dir)) {
		@mkdir($dir, 0777);
	}
	if(is_dir($dir)) {
		if($fp = @fopen("$dir/test.txt", 'w')) {
			@fclose($fp);
			@unlink("$dir/test.txt");
			$writeable = 1;
		} else {
			$writeable = 0;
		}
	}
	return $writeable;
}

function checkpermission($action, $break = 1) {
	if(!isset($GLOBALS['admincp'])) {
		cpmsg('action_access_noexists', '', 'error');
	} elseif($break && !$GLOBALS['admincp'][$action]) {
		cpmsg('action_noaccess_config', '', 'error');
	} else {
		return $GLOBALS['admincp'][$action];
	}
}

function bbsinformation() {

	global $db, $timestamp, $tablepre, $charset, $bbname, $_SERVER, $siteuniqueid, $save_mastermobile;
	$update = array('uniqueid' => $siteuniqueid, 'version' => DISCUZ_VERSION, 'release' => DISCUZ_RELEASE, 'php' => PHP_VERSION, 'mysql' => $db->version(), 'charset' => $charset, 'bbname' => $bbname, 'mastermobile' => $save_mastermobile);

	$updatetime = @filemtime(DISCUZ_ROOT.'./forumdata/updatetime.lock');
	if(empty($updatetime) || ($timestamp - $updatetime > 3600 * 4)) {
		@touch(DISCUZ_ROOT.'./forumdata/updatetime.lock');
		$update['members'] = $db->result_first("SELECT COUNT(*) FROM {$tablepre}members");
		$update['threads'] = $db->result_first("SELECT COUNT(*) FROM {$tablepre}threads");
		$update['posts'] = $db->result_first("SELECT COUNT(*) FROM {$tablepre}posts");
		$query = $db->query("SELECT special, count(*) AS spcount FROM {$tablepre}threads GROUP BY special");
		while($thread = $db->fetch_array($query)) {
			$thread['special'] = intval($thread['special']);
			$update['spt_'.$thread['special']] = $thread['spcount'];
		}
	}

	$data = '';
	foreach($update as $key => $value) {
		$data .= $key.'='.rawurlencode($value).'&';
	}

	return 'update='.rawurlencode(base64_encode($data)).'&md5hash='.substr(md5($_SERVER['HTTP_USER_AGENT'].implode('', $update).$timestamp), 8, 8).'&timestamp='.$timestamp;
}

function isfounder($user = '') {
	$user = empty($user) ? array('uid' => $GLOBALS['discuz_uid'], 'adminid' => $GLOBALS['adminid'], 'username' => $GLOBALS['discuz_userss']) : $user;
	$founders = str_replace(' ', '', $GLOBALS['forumfounders']);
	if($user['adminid'] <> 1) {
		return FALSE;
	} elseif(empty($founders)) {
		return TRUE;
	} elseif(strexists(",$founders,", ",$user[uid],")) {
		return TRUE;
	} elseif(!is_numeric($user['username']) && strexists(",$founders,", ",$user[username],")) {
		return TRUE;
	} else {
		return FALSE;
	}
}

function lang($name, $force = true) {
	global $lang;
	return isset($lang[$name]) ? $lang[$name] : ($force ? $name : '');
}

function admincustom($title, $url, $sort = 0) {
	global $db, $tablepre, $discuz_uid, $timestamp;
	$url = 'admincp.php?'.$url;
	$id = $db->result_first("SELECT id FROM {$tablepre}admincustom WHERE uid='$discuz_uid' AND sort='$sort' AND url='$url'");
	if($id) {
		$db->query("UPDATE {$tablepre}admincustom SET title='$title', clicks=clicks+1, dateline='$timestamp' WHERE id='$id'");
	} else {
		$db->query("INSERT INTO {$tablepre}admincustom (title, url, sort, uid, dateline) VALUES ('$title', '$url', '$sort', '$discuz_uid', '$timestamp')");
	}
}

function cpurl($type = 'parameter', $filters = array('sid', 'frames')) {
	parse_str($_SERVER['QUERY_STRING'], $getarray);
	$extra = $and = '';
	foreach($getarray as $key => $value) {
		if(!in_array($key, $filters)) {
			@$extra .= $and.$key.($type == 'parameter' ? '%3D' : '=').rawurlencode($value);
			$and = $type == 'parameter' ? '%26' : '&';
		}
	}
	return $extra;
}


function showheader($key, $url) {
	echo '<li><em><a href="#" id="header_'.$key.'" onclick="toggleMenu(\''.$key.'\', \''.$url.'\');">'.lang('header_'.$key).'</a></em></li>';
}

function shownav($header = '', $menu = '', $nav = '') {
	global $action, $operation;

	$title = 'cplog_'.$action.($operation ? '_'.$operation : '');
	if(in_array($action, array('home', 'custommenu'))) {
		$customtitle = '';
	} elseif(lang($title, false)) {
		$customtitle = $title;
	} else {
		$customtitle = rawurlencode($nav ? $nav : ($menu ? $menu : ''));
	}

	echo '<script type="text/JavaScript">if(parent.$(\'admincpnav\')) parent.$(\'admincpnav\').innerHTML=\''.lang('header_index').
		($header ? '&nbsp;&raquo;&nbsp;'.lang('header_'.$header) : '').
		($menu ? '&nbsp;&raquo;&nbsp;'.lang($menu) : '').
		($nav ? '&nbsp;&raquo;&nbsp;'.lang($nav) : '').'\';'.
		'if(parent.$(\'add2custom\')) parent.$(\'add2custom\').innerHTML='.($customtitle ? '\'<a href="admincp.php?action=misc&operation=custommenu&do=add&title='.$customtitle.'&url='.cpurl().'" target="main"><img src="images/admincp/btn_add2menu.gif" title="'.lang('custommenu_add').'" width="19" height="18" /></a>\';' : '\'\'').
	'</script>';
}

function showmenu($key, $menus) {
	echo '<ul id="menu_'.$key.'" style="display: none">';
	if(is_array($menus)) {
		foreach($menus as $menu) {
			if($menu[0] && $menu[1]) {
				echo '<li><a href="'.(substr($menu[1], 0, 4) == 'http' ? $menu[1] : 'admincp.php?action='.$menu[1]).'" target="'.($menu[2] ? $menu[2] : 'main').'"'.($menu[3] ? $menu[3] : '').'>'.lang($menu[0]).'</a></li>';
			}
		}
	}
	echo '</ul>';
}

function cpmsg($message, $url = '', $type = '', $extra = '', $stop = TRUE) {
	extract($GLOBALS, EXTR_SKIP);
	eval("\$message = \"".(isset($msglang[$message]) ? $msglang[$message] : $message)."\";");
	switch($type) {
		case 'succeed': $classname = 'infotitle2';break;
		case 'error': $classname = 'infotitle3';break;
		case 'loading': $classname = 'infotitle1';break;
		default: $classname = 'marginbot normal';break;

	}
	$message = "<h4 class=\"$classname\">$message</h4>";

	if($type == 'form') {
		$message = "<form method=\"post\" action=\"$url\"><input type=\"hidden\" name=\"formhash\" value=\"".FORMHASH."\">".
			"<br />$message$extra<br />".
			"<p class=\"margintop\"><input type=\"submit\" class=\"btn\" name=\"confirmed\" value=\"$lang[ok]\"> &nbsp; \n".
			"<input type=\"button\" class=\"btn\" value=\"$lang[cancel]\" onClick=\"history.go(-1);\"></p></form><br />";
	} elseif($type == 'loadingform') {
		$message = "<form method=\"post\" action=\"$url\" id=\"loadingform\"><input type=\"hidden\" name=\"formhash\" value=\"".FORMHASH."\"><br />$message$extra<img src=\"images/admincp/ajax_loader.gif\" class=\"marginbot\" /><br />".
			'<p class="marginbot"><a href="###" onclick="$(\'loadingform\').submit();" class="lightlink">'.lang('message_redirect').'</a></p></form><br /><script type="text/JavaScript">setTimeout("$(\'loadingform\').submit();", 2000);</script>';
	} else {
		$message .= $extra.($type == 'loading' ? '<img src="images/admincp/ajax_loader.gif" class="marginbot" />' : '');
		if($url) {
			if($type == 'button') {
				$message = "<br />$message<br /><p class=\"margintop\"><input type=\"submit\" class=\"btn\" name=\"submit\" value=\"$lang[start]\" onclick=\"location.href='$url'\" />";
			} else {
				$message .= '<p class="marginbot"><a href="'.$url.'" class="lightlink">'.lang('message_redirect').'</a></p>';
				$url = transsid($url);
				$message .= "<script type=\"text/JavaScript\">setTimeout(\"redirect('$url');\", 2000);</script>";
			}
		} elseif(strpos($message, $lang['return'])) {
			$message .= '<p class="marginbot"><a href="javascript:history.go(-1);" class="lightlink">'.lang('message_return').'</a></p>';
		}
	}

	if($stop) {
		echo '<h3>'.lang('discuz_message').'</h3><div class="infobox">'.$message.'</div>';
		cpfooter();
		dexit();
	} else {
		echo '<div class="infobox">'.$message.'</div>';
	}
}

function cpheader() {
	global  $charset, $frame;
	$IMGDIR = IMGDIR;
	$STYLEID = STYLEID;
	echo <<< EOT

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=$charset">
<link href="./images/admincp/admincp.css" rel="stylesheet" type="text/css" />
</head>
<body>
<script type="text/JavaScript">
	function redirect(url) {
		window.location.replace(url);
	}
	if('$frame' != 'no' && !parent.document.getElementById('leftmenu')) redirect(document.URL + (document.URL.indexOf('?') != -1 ? '&' : '?') + 'frames=yes');
	var IMGDIR = '$IMGDIR';
	var STYLEID = '$STYLEID';
	var IN_ADMINCP = true;
</script>
<script src="include/javascript/common.js" type="text/javascript"></script>
<script type="text/JavaScript">

	function checkAll(type, form, value, checkall, changestyle) {
		var checkall = checkall ? checkall : 'chkall';
		for(var i = 0; i < form.elements.length; i++) {
			var e = form.elements[i];
			if(type == 'option' && e.type == 'radio' && e.value == value && e.disabled != true) {
				e.checked = true;
			} else if(type == 'value' && e.type == 'checkbox' && e.value == value) {
				e.checked = form.elements[checkall].checked;
			} else if(type == 'prefix' && e.name && e.name != checkall && (!value || (value && e.name.match(value)))) {
				e.checked = form.elements[checkall].checked;
				if(changestyle && e.parentNode && e.parentNode.tagName.toLowerCase() == 'li') {
					e.parentNode.className = e.checked ? 'checked' : '';
				}
			}
		}
	}

	function altStyle(obj) {
		function altStyleClear(obj) {
			var input, lis, i;
			lis = obj.parentNode.getElementsByTagName('li');
			for(i=0; i < lis.length; i++){
				lis[i].className = '';
			}
		}

		var input, lis, i, cc, o;
		cc = 0;
		lis = obj.getElementsByTagName('li');
		for(i=0; i < lis.length; i++){
			lis[i].onclick = function(e) {
				o = is_ie ? event.srcElement.tagName : e.target.tagName;
				if(cc) {
					return;
				}
				cc = 1;
				input = this.getElementsByTagName('input')[0];
				if(input.getAttribute('type') == 'checkbox' || input.getAttribute('type') == 'radio') {
					if(input.getAttribute('type') == 'radio') {
						altStyleClear(this);
					}

					if(is_ie || o != 'INPUT' && input.onclick) {
						input.click();
					}
					if(this.className != 'checked') {
						this.className = 'checked';
						input.checked = true;
					} else {
						this.className = '';
						input.checked = false;
					}
				}
			}
			lis[i].onmouseup = function(e) {
				cc = 0;
			}
		}
	}

	var addrowdirect = 0;
	function addrow(obj, type) {
		var table = obj.parentNode.parentNode.parentNode.parentNode;
		if(!addrowdirect) {
			var row = table.insertRow(obj.parentNode.parentNode.parentNode.rowIndex);
		} else {
			var row = table.insertRow(obj.parentNode.parentNode.parentNode.rowIndex + 1);
		}
		var typedata = rowtypedata[type];
		for(var i = 0; i <= typedata.length - 1; i++) {
			var cell = row.insertCell(i);
			cell.colSpan = typedata[i][0];
			var tmp = typedata[i][1];
			if(typedata[i][2]) {
				cell.className = typedata[i][2];
			}
			tmp = tmp.replace(/\{(\d+)\}/g, function($1, $2) {return addrow.arguments[parseInt($2) + 1];});
			cell.innerHTML = tmp;
		}
		addrowdirect = 0;
	}

	function dropmenu(obj){
		obj.className = obj.className == 'hasdropmenu' ? 'current' : 'hasdropmenu';
		$(obj.id + 'child').style.display = $(obj.id + 'child').style.display == 'none' ? '' : 'none';
	}

	function textareasize(obj) {
		if(obj.scrollHeight > 70) {
			obj.style.height = obj.scrollHeight + 'px';
		}
	}

	if('$frame' != 'no') _attachEvent(document.documentElement, 'keydown', parent.resetEscAndF5);

</script>
<div id="append_parent"></div>
<div class="container" id="cpcontainer">
EOT;

}

function showsubmenu($title, $menus = array()) {
	if(empty($menus)) {
		$s = '<h3>'.lang($title).'</h3>';
	} elseif(is_array($menus)) {
		$s = '<div class="itemtitle"><h3>'.lang($title).'</h3>';
		if(is_array($menus)) {
			$s .= '<ul class="tab1">';
			foreach($menus as $menu) {
				if(is_array($menu[0])) {
					$s .= '<li id="addjs" class="'.($menu[2] ? ' current' : 'hasdropmenu').'" onclick="dropmenu(this);"><a href="#"><span>'.lang($menu[0]['menu']).'<em>&nbsp;&nbsp;</em></span></a><div id="addjschild" class="dropmenu" style="display:none;">';
					if(is_array($menu[0]['submenu'])) {
						foreach($menu[0]['submenu'] as $submenu) {
							$s .= '<a href="admincp.php?action='.$submenu[1].'">'.lang($submenu[0]).'</a>';
						}
					}
					$s .= '</div></li>';
				} else {
					$s .= '<li'.($menu[2] ? ' class="current"' : '').'><a href="admincp.php?action='.$menu[1].'"><span>'.lang($menu[0]).'</span></a></li>';
				}
			}
			$s .= '</ul>';
		}
		$s .= '</div>';
	}
	echo $s;
}

function showsubmenusteps($title, $menus = array()) {
	$s = '<div class="itemtitle">'.($title ? '<h3>'.lang($title).'</h3>' : '');
	if(is_array($menus)) {
		$s .= '<ul class="stepstat">';
			$i = 0;
		foreach($menus as $menu) {
			$i++;
			$s .= '<li'.($menu[1] ? ' class="current"' : '').' id="step'.$i.'">'.$i.'.'.lang($menu[0]).'</li>';
		}
		$s .= '</ul>';
	}
	$s .= '</div>';