<?php

/* InstaDisc Server - A Four Island Project */

$softwareVersion = 1;

if (!isset($_GET['submit']))
{
	showHeader('1');
	showStepOne('localhost', 'root', '', 'instadisc', array());
} else {
	$numOfErrors = 0;
	$errors = array();

	switch ($_GET['submit'])
	{
		case 1:
			if ($_POST['host'] == '')
			{
				addError($numOfErrors, $errors, 'host', 'Hostname is a required field');
			}

			if ($_POST['username'] == '')
			{
				addError($numOfErrors, $errors, 'username', 'Username is a required field');
			}

			if ($_POST['password'] == '')
			{
				addError($numOfErrors, $errors, 'password', 'Password is a required field');
			}

			if ($_POST['dbname'] == '')
			{
				addError($numOfErrors, $errors, 'dbname', 'Name is a required field');
			}

			if ($numOfErrors > 0)
			{
				showHeader('1');
				showStepOne($_POST['host'], $_POST['username'], $_POST['password'], $_POST['dbname'], $errors);
			} else {
				if (!@mysql_connect($_POST['host'], $_POST['username'], $_POST['password']))
				{
					addError($numOfErrors, $errors, '', 'Cannot connect to database server');
					showHeader('1');
					showStepOne($_POST['host'], $_POST['username'], $_POST['password'], $_POST['dbname'], $errors);
				} else {
					if (!@mysql_select_db($_POST['dbname']))
					{
						addError($numOfErrors, $errors, 'dbname', 'Database does not exist');
						showHeader('1');
						showStepOne($_POST['host'], $_POST['username'], $_POST['password'], $_POST['dbname'], $errors);
					} else {
						$sql = file_get_contents('instadisc.sql');
						$makedb = split(';', $sql);
						foreach ($makedb as $name => $value)
						{
							if (!trim($value) == '')
							{
								$makedb2 = @mysql_query($value);
								if (!$makedb2)
								{
									addError($numOfErrors, $errors, '', "MySQL error \"" . mysql_error() . "\" while creating database");
								}
							}
						}

						@file_put_contents('config.php', "<?php\n\n/* InstaDisc Server - A Four Island Project */\n\n\$dbhost = \"" . $_POST['host'] . "\";\n\$dbuser = \"" . $_POST['username'] . "\";\n\$dbpass = \"" . $_POST['password'] . "\";\n\$dbname = \"" . $_POST['dbname'] . "\";\n\n?>");

						if (!file_exists('config.php'))
						{
							addError($numOfErrors, $errors, '', 'Could not write config.php file, please check directory permissions');
						}

						if ($numOfErrors > 0)
						{
							showHeader('1');
							showStepOne($_POST['host'], $_POST['username'], $_POST['password'], $_POST['dbname'], $errors);
						} else {
							showHeader('2');
							showStepTwo('','',' CHECKED','','','','','','','', array());
						}
					}
				}
			}

			break;

		case 2:
			if ($_POST['mailDomain'] == '')
			{
				addError($numOfErrors, $errors, 'mailDomain', 'Mail Domain is a required field');
			}

			if ($_POST['smtpHost'] == '')
			{
				addError($numOfErrors, $errors, 'smtpHost', 'SMTP Host is a required field');
			}

			if ($_POST['smtpAuth'] == 'on')
			{
				if ($_POST['smtpUser'] == '')
				{
					addError($numOfErrors, $errors, 'smtpUser', 'When "SMTP Authentication Required?" is checked, SMTP Username is a required field');
				}

				if ($_POST['smtpPass'] == '')
				{
					addError($numOfErrors, $errors, 'smtpPass', 'When "SMTP Authentication Required?" is checked, SMTP Password is a required field');
				}
			}

			if ($_POST['siteName'] == '')
			{
				addError($numOfErrors, $errors, 'siteName', 'Site Name is a required field');
			}

			if ($_POST['xmlrpcURL'] == '')
			{
				addError($numOfErrors, $errors, 'xmlrpcURL', 'XML-RPC URL is a required field');
			} else {
				include_once('xmlrpc/xmlrpc.inc');

				$client = new xmlrpc_client($_POST['xmlrpcURL']);
				$msg = new xmlrpcmsg('system.listMethods');
				$r = $client->send($msg);
				if (stripos($r->faultString(),'Connect error') !== FALSE)
				{
					addError($numOfErrors, $errors, 'xmlrpcURL', $r->faultString());
				}
			}

			if ($_POST['adminUser'] == '')
			{
				addError($numOfErrors, $errors, 'adminUser', 'Admin Username is a required field');
			}

			if ($_POST['adminPass'] == '')
			{
				addError($numOfErrors, $errors, 'adminPass', 'Admin Password is a required field');
			}

			if ($_POST['adminEmail'] == '')
			{
				addError($numOfErrors, $errors, 'adminEmail', 'Admin Email is a required field');
			}

			if ($numOfErrors > 0)
			{
				showHeader('2');
				showStepTwo($_POST['mailDomain'], $_POST['smtpHost'], ($_POST['smtpAuth'] == 'on' ? ' CHECKED' : ''), $_POST['smtpUser'], $_POST['smtpPass'], $_POST['siteName'], $_POST['xmlrpcURL'], $_POST['adminUser'], $_POST['adminPass'], $_POST['adminEmail'], $errors);
			} else {
				include_once('config.php');

				mysql_connect($dbhost, $dbuser, $dbpass);
				mysql_select_db($dbname);

				$sql[0] = "INSERT INTO config (name,value) VALUES (\"mailDomain\",\"" . mysql_real_escape_string($_POST['mailDomain']) . "\")";
				$sql[1] = "INSERT INTO config (name,value) VALUES (\"smtpHost\",\"" . mysql_real_escape_string($_POST['smtpHost']) . "\")";
				$sql[2] = "INSERT INTO config (name,value) VALUES (\"smtpAuth\",\"" . mysql_real_escape_string(($_POST['smtpAuth'] == 'on' ? 'true' : 'false')) . "\")";
				$sql[3] = "INSERT INTO config (name,value) VALUES (\"smtpUser\",\"" . mysql_real_escape_string($_POST['smtpUser']) . "\")";
				$sql[4] = "INSERT INTO config (name,value) VALUES (\"smtpPass\",\"" . mysql_real_escape_string($_POST['smtpPass']) . "\")";
				$sql[5] = "INSERT INTO config (name,value) VALUES (\"siteName\",\"" . mysql_real_escape_string($_POST['siteName']) . "\")";
				$sql[6] = "INSERT INTO config (name,value) VALUES (\"xmlrpcURL\",\"" . mysql_real_escape_string($_POST['xmlrpcURL']) . "\")";
				$sql[7] = "INSERT INTO config (name,value) VALUES (\"owner\",\"" . mysql_real_escape_string($_POST['adminUser']) . "\")";
				$sql[8] = "INSERT INTO config (name,value) VALUES (\"verIDBufferSize\",\"100\")";
				$sql[9] = "INSERT INTO config (name,value) VALUES (\"softwareVersion\",\"" . $softwareVersion . "\")";
				$sql[10] = "INSERT INTO config (name,value) VALUES (\"databaseVersion\",\"1\")";
				$sql[11] = "INSERT INTO users (username, password, email, ip) VALUES (\"" . mysql_real_escape_string($_POST['adminUser']) . "\",\"" . mysql_real_escape_string(md5($_POST['adminPass'])) . "\",\"" . mysql_real_escape_string($_POST['adminEmail']) . "\",\"" . mysql_real_escape_string($_SERVER['REMOTE_ADDR']) . "\")";
				$sql[12] = "INSERT INTO centralServers (url, code, xmlrpc) VALUES (\"" . mysql_real_escape_string('central.fourisland.com') . "\",\"" . mysql_real_escape_string(md5('central.fourisland.com')) . "\",\"" . mysql_real_escape_string('http://central.fourisland.com/xmlrpc.php') . "\")";

				foreach ($sql as $name => $value)
				{
					if (!trim($value) == '')
					{
						$sql2 = @mysql_query($value);
						if (!$sql2)
						{
							addError($numOfErrors, $errors, '', "MySQL error \"" . mysql_error() . "\" while filling database");
						}
					}
				}

				if ($numOfErrors > 0)
				{
					showHeader('2');
					showStepTwo($_POST['mailDomain'], $_POST['smtpHost'], ($_POST['smtpAuth'] == 'on' ? ' CHECKED' : ''), $_POST['smtpUser'], $_POST['smtpPass'], $_POST['siteName'], $_POST['xmlrpcURL'], $_POST['adminUser'], $_POST['adminPass'], $_POST['adminEmail'], $errors);
				} else {
					showHeader('3');
					showStepThree();
				}
			}

			break;
	}
}

?><P><CENTER><SMALL><SMALL>InstaDisc (C) Starla Insigna 2008. InstaDisc Setup uses the UniForm form theme</SMALL></SMALL></CENTER></BODY></HTML><?php

function showHeader($number)
{
?><HTML><HEAD><TITLE>InstaDisc Server Setup Step <?php echo($number); ?></TITLE><LINK REL="stylesheet" TYPE="text/css" HREF="uniform.css"></HEAD><BODY><CENTER><H1>InstaDisc Installation</H1></CENTER><P><?php
}

function showStepOne($host, $username, $password, $dbname, $errors)
{
?>Welcome to the InstaDisc Central Server installation! Please input your database details below.<P>
<FORM CLASS="uniform" ACTION="./install.php?submit=1" METHOD="POST">
<?php
	if (isset($errors[1]))
	{
?><DIV ID="errorMsg">Uh oh! Validation errors!<P>
<OL><?php
		foreach ($errors as $name => $value)
		{
?><LI><A HREF="#error<?php echo($name); ?>"><?php echo($value['msg']); ?></A></LI><?php
		}
?></OL></DIV><?php
	}
?>
<FIELDSET CLASS="inlineLabels"><LEGEND>Database Details</LEGEND>
<DIV CLASS="ctrlHolder<?php ifErrors($errors, 'host'); ?>">
<?php doErrors($errors, 'host'); ?> <LABEL FOR="host"><EM>*</EM> Host: </LABEL>
 <INPUT TYPE="text" ID="host" NAME="host" CLASS="textInput" VALUE="<?php echo($host); ?>">
</DIV>
<DIV CLASS="ctrlHolder<?php ifErrors($errors, 'username'); ?>">
<?php doErrors($errors, 'username'); ?> <LABEL FOR="username"><EM>*</EM> Username: </LABEL>
 <INPUT TYPE="text" ID="username" NAME="username" CLASS="textInput" VALUE="<?php echo($username); ?>">
</DIV>
<DIV CLASS="ctrlHolder<?php ifErrors($errors, 'password'); ?>">
<?php doErrors($errors, 'password'); ?> <LABEL FOR="password"><EM>*</EM> Password: </LABEL>
 <INPUT TYPE="password" ID="password" NAME="password" CLASS="textInput" VALUE="<?php echo($password); ?>">
</DIV>
<DIV CLASS="ctrlHolder<?php ifErrors($errors, 'dbname'); ?>">
<?php doErrors($errors, 'dbname'); ?> <LABEL FOR="dbname"><EM>*</EM> Name: </LABEL>
 <INPUT TYPE="text" ID="dbname" NAME="dbname" CLASS="textInput" VALUE="<?php echo($dbname); ?>">
 <P CLASS="formHint">You need to create this database before running this script.</P>
</DIV>
</FIELDSET>
<DIV CLASS="buttonHolder">
 <INPUT TYPE="submit" VALUE="Next">
</DIV></FORM><?php
}

function showStepTwo($mailDomain, $smtpHost, $smtpAuth, $smtpUser, $smtpPass, $siteName, $xmlrpcURL, $adminUser, $adminPass, $adminEmail, $errors)
{
?>Your database has been set up. All we need to do now is fill it up a little. Please answer the below questions to set up your configuration:
<FORM CLASS="uniform" ACTION="./install.php?submit=2" METHOD="POST">
<?php
	if (isset($errors[1]))
	{
?><DIV ID="errorMsg">Uh oh! Validation errors!<P>
<OL><?php
		foreach ($errors as $name => $value)
		{
?><LI><A HREF="#error<?php echo($name); ?>"><?php echo($value['msg']); ?></A></LI><?php
		}
?></OL></DIV><?php
	}
?>
<FIELDSET CLASS="inlineLabels"><LEGEND>Email</LEGEND>
<DIV CLASS="ctrlHolder<?php ifErrors($errors, 'mailDomain'); ?>">
<?php doErrors($errors, 'mailDomain'); ?> <LABEL FOR="mailDomain"><EM>*</EM> Mail Domain: </LABEL>
 <INPUT TYPE="text" ID="mailDomain" NAME="mailDomain" CLASS="textInput" VALUE="<?php echo($mailDomain); ?>">
 <P CLASS="formHint">Type in the part that comes after the @ in your email addresses. This is used when InstaDisc needs to send an email to someone.</P>
</DIV>
<DIV CLASS="ctrlHolder<?php ifErrors($errors, 'smtpHost'); ?>">
<?php doErrors($errors, 'smtpHost'); ?> <LABEL FOR="smtpHost"><EM>*</EM> SMTP Host: </LABEL>
 <INPUT TYPE="text" ID="smtpHost" NAME="smtpHost" CLASS="textInput" VALUE="<?php echo($smtpHost); ?>">
 <P CLASS="formHint">This is required because InstaDisc has to be able to send emails to people.</P>
</DIV>
<DIV CLASS="ctrlHolder<?php ifErrors($errors, 'smtpAuth'); ?>">
<?php doErrors($errors, 'smtpAuth'); ?> <LABEL FOR="smtpAuth">SMTP Authentication Required? </LABEL>
 <INPUT TYPE="checkbox" ID="smtpAuth" NAME="smtpAuth" CLASS="textInput"<?php echo($smtpAuth); ?>">
 <P CLASS="formHint">If your SMTP server requires authentication (most do), you need to check this box and enter the authentication details in the fields below.</P>
</DIV>
<DIV CLASS="ctrlHolder<?php ifErrors($errors, 'smtpUser'); ?>">
<?php doErrors($errors, 'smtpUser'); ?> <LABEL FOR="smtpUser">SMTP Username: </LABEL>
 <INPUT TYPE="text" ID="smtpUser" NAME="smtpUser" CLASS="textInput" VALUE="<?php echo($smtpUser); ?>">
</DIV>
<DIV CLASS="ctrlHolder<?php ifErrors($errors, 'smtpPass'); ?>">
<?php doErrors($errors, 'smtpPass'); ?> <LABEL FOR="smtpPass">SMTP Password: </LABEL>
 <INPUT TYPE="password" ID="smtpPass" NAME="smtpPass" CLASS="textInput" VALUE="<?php echo($smtpPass); ?>">
 <P CLASS="formHint">The two above fields only need be filled out if the "SMTP Authentication Required?" box is checked.</P>
</DIV>
</FIELDSET><FIELDSET CLASS="inlineLabels"><LEGEND>Website</LEGEND>
<DIV CLASS="ctrlHolder<?php ifErrors($errors, 'siteName'); ?>">
<?php doErrors($errors, 'siteName'); ?> <LABEL FOR="siteName"><EM>*</EM> Site Name: </LABEL>
 <INPUT TYPE="text" ID="siteName" NAME="siteName" CLASS="textInput" VALUE="<?php echo($siteName); ?>">
 <P CLASS="formHint">Your website's name is required for a little personalization of emails.</P>
</DIV>
<DIV CLASS="ctrlHolder<?php ifErrors($errors, 'xmlrpcURL'); ?>">
<?php doErrors($errors, 'xmlrpcURL'); ?> <LABEL FOR="xmlrpcURL"><EM>*</EM> XML-RPC URL: </LABEL>
 <INPUT TYPE="text" ID="xmlrpcURL" NAME="xmlrpcURL" CLASS="textInput" VALUE="<?php echo($xmlrpcURL); ?>">
 <P CLASS="formHint">What is the URL of the xmlrpc.php file provided for you in the InstaDisc package?</P>
</DIV>
</FIELDSET><FIELDSET CLASS="inlineLabels"><LEGEND>Administrator's Account</LEGEND>
<DIV CLASS="ctrlHolder<?php ifErrors($errors, 'adminUser'); ?>">
<?php doErrors($errors, 'adminUser'); ?> <LABEL FOR="adminUser"><EM>*</EM> Admin Username: </LABEL>
 <INPUT TYPE="text" ID="adminUser" NAME="adminUser" CLASS="textInput" VALUE="<?php echo($adminUser); ?>">
</DIV>
<DIV CLASS="ctrlHolder<?php ifErrors($errors, 'adminPass'); ?>">
<?php doErrors($errors, 'adminPass'); ?> <LABEL FOR="adminPass"><EM>*</EM> Admin Password: </LABEL>
 <INPUT TYPE="password" ID="adminPass" NAME="adminPass" CLASS="textInput" VALUE="<?php echo($adminPass); ?>">
</DIV>
<DIV CLASS="ctrlHolder<?php ifErrors($errors, 'adminEmail'); ?>">
<?php doErrors($errors, 'adminEmail'); ?> <LABEL FOR="adminEmail"><EM>*</EM> Admin Email: </LABEL>
 <INPUT TYPE="text" ID="adminEmail" NAME="adminEmail" CLASS="textInput" VALUE="<?php echo($adminEmail); ?>">
 <P CLASS="formHint">You, the administrator, must have an account on your InstaDisc server to be able to edit configuration values (mostly the ones you just entered) at will.</P>
</DIV>
</FIELDSET>
<DIV CLASS="buttonHolder">
 <INPUT TYPE="submit" VALUE="Next">
</DIV></FORM><?php
}

function showStepThree()
{
?>Congradulations! You've successfully set up your InstaDisc Central Server's database! Now, the next step for you is to implement the functions in instadisc.php into your web application. Read README.txt for more information.<?php
}

function ifErrors($errors, $id)
{
	foreach ($errors as $name => $value)
	{
		if ($value['field'] == $id)
		{
			echo(' error');
			return;
		}
	}
}


function doErrors($errors, $id)
{
	foreach ($errors as $name => $value)
	{
		if ($value['field'] == $id)
		{
?> <P ID="error<?php echo($name); ?>" CLASS="errorField"><EM>*</EM> <?php echo($value['msg']); ?></P><?php echo("\n");
		}
	}
}

function addError(&$numOfErrors, &$errors, $field, $msg)
{
	$numOfErrors++;
	$errors[$numOfErrors] = array('field' => $field, 'msg' => $msg);
}