<?php

/*

 * Enano - an open-source CMS capable of wiki functions, Drupal-like sidebar blocks, and everything in between

 * Copyright (C) 2006-2009 Dan Fuhry

 * Installation package

 * login.php - Installer login information stage

 *

 * This program is Free Software; you can redistribute and/or modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied

 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for details.

 */

if ( !defined('IN_ENANO_INSTALL') )

	die();

// AES functions required

require_once( ENANO_ROOT . '/includes/rijndael.php' );

require_once( ENANO_ROOT . '/includes/constants.php' );

require_once( ENANO_ROOT . '/includes/dbal.php' );

require_once( ENANO_ROOT . '/includes/sessions.php' );

$ui->add_header('<script type="text/javascript" src="includes/js/formutils.js"></script>');

$ui->show_header();

// generate the HTML for the form, and store the public and private key in the temporary config

$aes_form = sessionManager::generate_aes_form_static($dh_keys);

$fp = @fopen(ENANO_ROOT . '/config.new.php', 'a+');

if ( !$fp )

	die('Couldn\'t open the config for writing');

fwrite($fp, "

// DiffieHellman parameters

\$dh_public = '{$dh_keys['public']}';

\$dh_private = '{$dh_keys['private']}';

\$aes_fallback = '{$dh_keys['aes']}';

");

fclose($fp);

// FIXME: l10n

?>

<h3><?php echo $lang->get('login_welcome_title'); ?></h3>

<?php echo $lang->get('login_welcome_body'); ?>

<script type="text/javascript">

	// <![CDATA[

	function verify(target)

	{

		var frm = document.forms [ 'install_login' ];

		var undefined;

		var passed = true;

		var data = {

			username: frm.username.value,

			password: frm.password.value,

			password_confirm: frm.password_confirm.value,

			email: frm.email.value

		};

		if ( !target )

			target = { name: undefined };

		if ( target.name == undefined || target.name == 'username' )

		{

			var matches = validateUsername(data.username);

			document.getElementById('s_username').src = ( matches ) ? img_good : img_bad;

			if ( !matches )

				passed = false;

		}

		if ( target.name == undefined || target.name == 'password' || target.name == 'password_confirm' )

		{

			var matches = ( data.password.length >= 6 && data.password == data.password_confirm ) ;

			document.getElementById('s_password').src = ( matches ) ? img_good : img_bad;

			if ( !matches )

				passed = false;

		}

		if ( target.name == undefined || target.name == 'email' )

		{

			var matches = validateEmail(data.email);

			document.getElementById('s_email').src = ( matches ) ? img_good : img_bad;

			if ( !matches )

				passed = false;

		}

		return passed;

	}

	function verify_submit()

	{

		if ( verify() )

			return true;

		alert($lang.get('login_err_verify_failure'));

		return false;

	}

	function submit_encrypt()

	{

		return runEncryption();

	}

	addOnloadHook(function()

		{

			load_component('crypto');

			load_component('l10n');

		});

	// ]]>

</script>

<form action="install.php?stage=confirm" method="post" name="install_login" onsubmit="return ( verify_submit() && submit_encrypt() );"><?php

	foreach ( $_POST as $key => &$value )

	{

		if ( !preg_match('/^[a-z0-9_]+$/', $key) )

			die('...really?');

		if ( $key == '_cont' )

			continue;

		$value_clean = str_replace(array('\\', '"', '<', '>'), array('\\\\', '\\"', '&lt;', '&gt;'), $value);

		echo "\n  <input type=\"hidden\" name=\"$key\" value=\"$value_clean\" />";

	}

	$https = ( isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] != 'off' );

	$scriptpath_full = 'http' . ( $https ? 's' : '' ) . '://' . $_SERVER['HTTP_HOST'] . scriptPath . '/';

	?>

	<table border="0" cellspacing="0" cellpadding="10" style="width: 100%;">

		<tr>

			<td style="width: 50%;">

				<b><?php echo $lang->get('login_field_username'); ?></b>

			</td>

			<td style="width: 50%;">

				<input type="text" tabindex="1" name="username" size="15" onkeyup="verify(this);" />

			</td>

			<td>

				<img id="s_username" alt="Good/bad icon" src="../images/checkbad.png" />

			</td>

		</tr>

		<tr>

			<td>

				<b><?php echo $lang->get('login_field_password'); ?></b><br />

				<?php echo $lang->get('login_aes_blurb'); ?>

			</td>

			<td>

				<input type="password" tabindex="2" name="password" size="15" onkeyup="password_score_field(this); verify(this);" /><br />

				<br />

				<div id="pwmeter"></div>

				<br />

				<input type="password" tabindex="3" name="password_confirm" size="15" onkeyup="verify(this);" /> <small><?php echo $lang->get('login_field_password_confirm'); ?></small>

			</td>

			<td>

				<img id="s_password" alt="Good/bad icon" src="../images/checkbad.png" />

			</td>

		</tr>

		<tr>

			<td style="width: 50%;">

				<b><?php echo $lang->get('login_field_email'); ?></b>

			</td>

			<td style="width: 50%;">

				<input type="text" tabindex="4" name="email" size="30" onkeyup="verify(this);" />

			</td>

			<td>

				<img id="s_email" alt="Good/bad icon" src="../images/checkbad.png" />

			</td>

		</tr>

	</table>

	<?php

	// hidden form fields/DH keygen

	echo $aes_form;

	?>

	<div style="text-align: center;">

		<input type="submit" name="_cont" value="<?php echo $lang->get('meta_btn_continue'); ?>" />

	</div>

</form>

<?php echo sessionManager::aes_javascript('install_login', 'password'); ?>