Please help with code

semperfi · April 29, 2011

The file works by including it to any page like header, footer etc and when activated it redirects to a offline template so I can do maintenance etc. I want to integrate it into my CMS but the file has its own login section and I want to remove the login section of the code and also remove the success part of the code. Basically I just want to have the section where I can activate and deactivate the site. I have tired with no success all i get is a blank page no errors. I would appreciate any help.

<?php 
if (!isset($_SESSION)){session_start();}
$page_offline 			= TRUE;
$page_offline_title 	= "Coming Soon | Under Construction";
$page_offline_message 	= "There are some problems with our server. Nothing too serious, but it causes some downtime.";
$admin_ip				= "IP address";
$page_offline_message 	= "There are some problems with our server. Nothing too serious, but it causes some downtime.";
$page_offline_template 	= "templates/example1/index.html";
$page_offline_foradmin	= TRUE;

$admin_password		= "431301000c51954230c969f2e04c3add";
$page_offline_template 	= "templates/example1/index.html";

$page_offline_foradmin	= TRUE;

error_reporting(E_ALL);
$page = strstr($_SERVER['PHP_SELF'], "offline.php") ? "admin" : "website";

get_template_list();

// Try login
$login_error = FALSE;
if(isset($_POST['txtpassword'])){
if(md5($_POST['txtpassword']) == $admin_password){
	$_SESSION['offline_admin'] = TRUE;
}else{
	$login_error = TRUE;
}
}

// Save config settings
$offline 		= $page_offline ? 'checked="checked"' : "";
$title 			= $page_offline_title;
$message 		= $page_offline_message;
$saved 			= FALSE;
$template		= $page_offline_template;
$adminoffline 	= $page_offline_foradmin ? 'checked="checked"' : "";

if(isset($_POST['btnsave']) && $_SESSION['offline_admin']){
$val_offline 	= isset($_POST['chkoffline']) && ($_POST['chkoffline'] == "true") ? TRUE : FALSE;
$val_title 		= htmlspecialchars($_POST['txttitle']);
$val_message 	= htmlspecialchars($_POST['txtmessage']);
$val_template 	= htmlspecialchars($_POST['txttemplate']);
$val_password 	= htmlspecialchars($_POST['txtpassword']);
$val_adminoffline 	= isset($_POST['chkconstruct']) && ($_POST['chkconstruct'] == "true") ? TRUE : FALSE;

$offline 		= $val_offline ? 'checked="checked"' : "";
$title 			= $val_title;
$message 		= $val_message;
$template		= $val_template;
$adminoffline 	= $val_adminoffline ? 'checked="checked"' : "";

if(empty($val_password)){
	page_offline_save($val_offline, $val_title, $val_message, $val_template, $adminoffline);
}else{
	page_offline_save($val_offline, $val_title, $val_message, $val_template, $adminoffline, $val_password);
}

$saved = TRUE;
}

// Templates
$admin_style_tpl = <<<ADMINSTYLETPL
body{
font-family:Arial, Helvetica, sans-serif;
font-size:11px; 
text-align: center;
background-color:#F9F9F9;
color:#555555;
}
#wrapper{
width:400px;
padding:20px;
margin: 0 auto;
border:1px solid #DADADA;
background-color: #FFF;
text-align: left;
}
h2{
margin: 0px 0px 10px 0px;
padding: 0px;
font-size: 24px;
color:#464646;
font-family:Georgia,"Times New Roman",Times,serif;
font-style: italic;
font-weight: normal;
}
label{
display: block;
width: 150px;
font-weight: bold;
padding: 14px 0px 3px 0px;
}
input{
-moz-border-radius-bottomleft:3px;
-moz-border-radius-bottomright:3px;
-moz-border-radius-topleft:3px;
-moz-border-radius-topright:3px;
width: 300px;
background:#F5F5F5 none repeat scroll 0 0;
border:1px solid #CCCCCC;
color:#666666;
padding: 4px 8px;
}	
#chkoffline, #chkconstruct{
width: 20px;
}
.error{
border: solid 1px #CC0000;
}

ADMINSTYLETPL;

$admin_login_tpl = <<<ADMINLOGINTEMPLATE
<!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=utf-8" />
<title>WebConstruct Login</title>
<style>
%s
</style>
</head>

<body>
<div id="wrapper">
<h2>WebConstruct Login</h2>
<form id="form1" name="form1" method="post" action="">
	<label for="txtpassword">Password</label>
  		<input type="password" name="txtpassword" %s id="txtpassword" /><br /><br />
  		<input name="btnlogin" type="submit" value="Login" />
   </form>
</div>
</body>
</html>

ADMINLOGINTEMPLATE;

$admin_config_tpl = <<<ADMINCONFIGTEMPLATE
<!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=utf-8" />
<title>WebConstruct Admin</title>
<style>
%s
</style>
</head>

<body>
<div id="wrapper">
<h2>WebConstruct Admin</h2>
<form id="frmadmin" name="frmadmin" method="post" action="">
   		<label for="chkoffline">Offline</label>
   		<input name="chkoffline" id="chkoffline" %s type="checkbox" value="true" />
	<label for="chkconstruct">Show offline to admin</label>
   		<input name="chkconstruct" id="chkconstruct" %s type="checkbox" value="true" />
	<label for="txttitle">Title</label>
  		<input type="text" name="txttitle" value="%s" id="txttitle" />
        <label for="txtmessage">Message</label>
  		<input type="text" name="txtmessage" value="%s" id="txtmessage" />
	<label for="txttemplate">Template</label>
  		%s
        <label for="txtpassword">Admin password</label>
  		<input type="password" name="txtpassword" id="txtpassword" />
  		<br /> Leave this field empty if you don't want to change the admin password.
	<br /><br />
  		<input name="btnsave" type="submit" value="Save" />
   </form>
</div>
</body>
</html>

ADMINCONFIGTEMPLATE;

$admin_saved_tpl = <<<ADMINSAVEDTEMPLATE
<!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=utf-8" />
<title>Offline Admin</title>
<style>
%s
</style>
</head>

<body>
<div id="wrapper">
<h2>Configuration saved</h2>
The configuration is saved succesfully. You can continue to <a href="offline.php">config</a> or go to your <a href="index.php">website</a>.
</div>
</body>
</html>

ADMINSAVEDTEMPLATE;

if($page == "admin"){

// If user not is loggedin then show login screen
if(!isset($_SESSION['offline_admin']) || !$_SESSION['offline_admin']){
	echo sprintf($admin_login_tpl, $admin_style_tpl, ($login_error) ? 'class="error"' : '');
}else{
	if(!$saved){
		echo sprintf($admin_config_tpl, $admin_style_tpl, $offline, $adminoffline, $title, $message, html_select('txttemplate', 'txttemplate', $template, get_template_list()));
	}else{
		echo sprintf($admin_saved_tpl, $admin_style_tpl);
	}
}
exit();

}else{

if($page_offline && (($_SERVER['REMOTE_ADDR'] != $admin_ip) || $page_offline_foradmin)){

	ob_start();
	include($page_offline_template);
	$template = ob_get_contents();
	ob_end_clean();

	// Replace variables
	$template = str_replace(array("{TITLE}", "{MESSAGE}"), array($page_offline_title, $page_offline_message), $template);

	// Show template
	echo $template;
	exit();
}

}

// Write settings to file
function page_offline_save($offline, $title, $message, $template, $adminoffline, $password=""){
$lines = explode("\n", file_get_contents("offline.php"));

// Set configuration
$offline_state = ($offline) ? "TRUE" : "FALSE";
$lines[2] = '$page_offline 			= ' . $offline_state . ';';
$lines[3] = '$page_offline_title 	= "' . $title . '";';
$lines[4] = '$page_offline_message 	= "' . $message . '";';
$lines[5] = '$admin_ip				= "' . $_SERVER['REMOTE_ADDR'] . '";';
$lines[7] = '$page_offline_template 	= "' . $template . '";';
$adminoffline_state = ($adminoffline) ? "TRUE" : "FALSE";
$lines[8] = '$page_offline_foradmin	= ' . $adminoffline_state . ';';
if(!empty($password)){
	$lines[6] = '$admin_password		= "' . md5($password) . '";';
}

// Save to file
file_put_contents("offline.php", implode("\n", $lines));
}

// Make list of templates
function get_template_list(){
$templates = array();
if ($handle = opendir(dirname(__FILE__) . '/templates/')) {
	while (false !== ($file = readdir($handle))) {
		if($file != '.' && $file != '..' && !strstr($file, '.')){
			$templates['templates/' . $file . '/index.html'] = ucfirst($file);
		}
	}
}
return $templates;
}

/**
* Generate select element
* 
* @param string $id
* @param string $name
* @param string $selected
* @param array $values
* @param array $extra
* @return string
*/
function html_select($id, $name, $selected, $values){
$options = '';
foreach($values as $key => $value){
	$selected_string = ($selected == $value) || ($selected == $key) ? 'selected="selected"' : '';
	$options .= sprintf('<option value="%s" %s>%s</option>', $key, $selected_string, $value);
}		
return sprintf('<select id="%s" name="%s">%s</select>', $id, $name, $options);
}

btherl · April 29, 2011

Have you got display_errors on? http://www.digitalamit.com/kb/kb/5.html

semperfi · April 29, 2011

Have you got display_errors on? http://www.digitalamit.com/kb/kb/5.html

Yes I have that on. Its when i try to remove the portion of code that contains the login and success section thats when i get a blank page. I know i am doing something wrong but can not figure it out. I made some changes before to it and received errors and corrected my mistakes but removing large portions of the code is whats getting me.

btherl · April 29, 2011

I would try adding a few print/echo statements through your code, so you can see which parts are executing. Then you can narrow down where the problem is.

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