<?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

 * cli-core.php - CLI installation wizard/core

 *

 * 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.

 * 

 * Thanks to Stephan for helping out with l10n in the installer (his work is in includes/stages/*.php).

 */

require(dirname(__FILE__) . '/common.php');

if ( !defined('ENANO_CLI') )

{

	$ui = new Enano_Installer_UI('Enano installation', false);

	$ui->set_visible_stage($ui->add_stage('Error', true));

	$ui->step = 'Access denied';  

	$ui->show_header();

	echo '<h2>CLI only</h2>

				<p>This script must be run from the command line.</p>';

	$ui->show_footer();

	exit;

}

if ( defined('ENANO_INSTALLED') )

{

	// start up the API to let it error out if something's wrong

	require(ENANO_ROOT . '/includes/common.php');

	installer_fail('Enano is already installed. Uninstall it by deleting config.php and creating a blank file called config.new.php.');

}

// parse command line args

foreach ( array('silent', 'driver', 'dbhost', 'dbport', 'dbuser', 'dbpasswd', 'dbname', 'db_prefix', 'user', 'pass', 'email', 'sitename', 'sitedesc', 'copyright', 'urlscheme', 'lang_id', 'scriptpath') as $var )

{

	if ( !isset($$var) )

	{

		$$var = false;

	}

}

for ( $i = 1; $i < count($argv); $i++ )

{

	switch($argv[$i])

	{

		case '-q':

			$silent = true;

			break;

		case '--db-driver':

		case '-b':

			$driver = @$argv[++$i];

			break;

		case '--db-host':

		case '-h':

			$dbhost = @$argv[++$i];

			break;

		case '--db-port':

		case '-o':

			$dbport = @$argv[++$i];

			break;

		case '--db-user':

		case '-u':

			$dbuser = @$argv[++$i];

			break;

		case '--db-pass':

		case '-p':

			$dbpasswd = @$argv[++$i];

			break;

		case '--db-name':

		case '-d':

			$dbname = @$argv[++$i];

			break;

		case '--table-prefix':

		case '-t':

			$db_prefix = @$argv[++$i];

			break;

		case '--admin-user':

		case '-a':

			$user = @$argv[++$i];

			break;

		case '--admin-pass':

		case '-w':

			$pass = @$argv[++$i];

			break;

		case '--admin-email':

		case '-e':

			$email = @$argv[++$i];

			break;

		case '--site-name':

		case '-n':

			$sitename = @$argv[++$i];

			break;

		case '--site-desc':

		case '-s':

			$sitedesc = @$argv[++$i];

			break;

		case '--copyright':

		case '-c':

			$copyright = @$argv[++$i];

			break;

		case '--url-scheme':

		case '-r':

			$urlscheme_temp = @$argv[++$i];

			if ( in_array($urlscheme_temp, array('standard', 'short', 'rewrite', 'tiny')) )

				$urlscheme = $urlscheme_temp;

			break;

		case '--language':

		case '-l':

			$lang_id = @$argv[++$i];

			break;

		case '-i':

		case '--scriptpath':

			$scriptpath = @$argv[++$i];

			break;

		default:

			$vers = installer_enano_version();

			echo <<<EOF

Enano CMS v$vers - CLI Installer

Usage: {$argv[0]} [-q] [-b driver] [-h host] [-u username] [-p password]

									[-d database] [-a adminuser] [-w adminpass] [-e email]

All arguments are optional; missing information will be prompted for.

	-q                Quiet mode (minimal output)

	-b, --db-driver   Database driver (mysql or postgresql)

	-h, --db-host     Hostname of database server

	-o, --db-port     TCP port on which to connect to database server

	-u, --db-user     Username to use on database server

	-p, --db-pass     Password to use on database server

	-d, --db-name     Name of database

	-a, --admin-user  Administrator username

	-w, --admin-pass  Administrator password

	-e, --admin-email Administrator e-mail address

	-n, --site-name   Name of site

	-s, --site-desc   *SHORT* Description of site

	-c, --copyright   Copyright notice shown on pages

	-r, --url-scheme  URL scheme (standard, short, rewrite, or tiny)

	-l, --language    Language to be used on site and in installer

	-i, --scriptpath  Where Enano is relative to your website root (no trailing

										slash)

EOF;

			exit(1);

			break;

	}

}

if ( $silent )

{

	define('ENANO_LIBINSTALL_SILENT', '');

}

##

## PHP VERSION CHECK

##

if ( version_compare(PHP_VERSION, '5.0.0', '<' ) )

{

	if ( !$silent )

	{

		echo "\x1B[1mWelcome to the \x1B[34mEnano\x1B[0m CMS\x1B[1m installation wizard.\x1B[0m\n";

		echo "Installing Enano version \x1B[1m" . installer_enano_version() . "\x1B[0m on PHP " . PHP_VERSION . "\n";

	}

	installer_fail('Your version of PHP (' . PHP_VERSION . ') doesn\'t meet Enano requirements (5.0.0)');

}

##

## LANGUAGE STARTUP

##

// Include language lib and additional PHP5-only JSON functions

require_once( ENANO_ROOT . '/includes/json2.php' );

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

// Determine language ID to use

$langids = array_keys($languages);

if ( $silent )

{

	if ( !in_array($lang_id, $langids ) )

		$lang_id = $langids[0];

}

else if ( !in_array($lang_id, $langids) )

{

	echo "\x1B[1mPlease select a language.\x1B[0m\n";

	echo "\x1B[32mAvailable languages:\x1B[0m\n";

	foreach ( $languages as $id => $metadata )

	{

		$id_spaced = $id;

		while ( strlen($id_spaced) < 10 )

			$id_spaced = "$id_spaced ";

		echo "  \x1B[1;34m$id_spaced\x1B[0m {$metadata['name']} ({$metadata['name_eng']})\n";

	}

	while ( !in_array($lang_id, $langids) )

	{

		$lang_id = cli_prompt('Language: ', $langids[0]);

	}

}

// We have a language ID - init language

$language_dir = $languages[$lang_id]['dir'];

// Initialize language support

$lang = new Language($lang_id);

$lang->load_file(ENANO_ROOT . '/language/' . $language_dir . '/install.json');

##

## WELCOME MESSAGE

##

if ( !$silent )

{

	echo parse_shellcolor_string($lang->get('cli_welcome_line1'));

	echo parse_shellcolor_string($lang->get('cli_welcome_line2', array('enano_version' => installer_enano_version(), 'php_version' => PHP_VERSION)));

}

$defaults = array(

	'driver'  => 'mysql',

	'dbhost'    => 'localhost',

	'dbport'    => 3306,

	'dbuser'    => false,

	'dbpasswd'  => false,

	'dbname'    => false,

	'db_prefix'    => '',

	'user'      => 'admin',

	'pass'      => false,

	'email'     => false,

	'sitename'  => $lang->get('cli_default_site_name'),

	'sitedesc'  => $lang->get('cli_default_site_desc'),

	'copyright' => $lang->get('cli_default_copyright', array('year' => date('Y'))),

	'urlscheme' => 'standard',

	'scriptpath'=> '/enano'

);

$terms = array(

	'driver'  => $lang->get('cli_prompt_driver'),

	'dbhost'    => $lang->get('cli_prompt_dbhost'),

	'dbport'    => $lang->get('cli_prompt_dbport'),

	'dbuser'    => $lang->get('cli_prompt_dbuser'),

	'dbpasswd'  => $lang->get('cli_prompt_dbpasswd'),

	'dbname'    => $lang->get('cli_prompt_dbname'),

	'db_prefix'    => $lang->get('cli_prompt_db_prefix'),

	'user'      => $lang->get('cli_prompt_user'),

	'pass'      => $lang->get('cli_prompt_pass'),

	'email'     => $lang->get('cli_prompt_email'),

	'sitename'  => $lang->get('cli_prompt_sitename'),

	'sitedesc'  => $lang->get('cli_prompt_sitedesc'),

	'copyright' => $lang->get('cli_prompt_copyright'),

	'urlscheme' => $lang->get('cli_prompt_urlscheme'),

	'scriptpath'=> $lang->get('cli_prompt_scriptpath')

);

$defaults['dbport'] = ( strtolower($driver) == 'postgresql' ) ? 5432 : 3306;

foreach ( array('driver', 'dbhost', 'dbport', 'dbuser', 'dbpasswd', 'dbname', 'db_prefix', 'scriptpath', 'user', 'pass', 'email', 'sitename', 'sitedesc', 'copyright', 'urlscheme') as $var )

{

	if ( empty($$var) )

	{

		switch($var)

		{

			default:

				$$var = cli_prompt($terms[$var], $defaults[$var]);

				break;

			case 'driver':

				$$var = cli_prompt($terms[$var], $defaults[$var]);

				$defaults['dbport'] = ( strtolower($driver) == 'postgresql' ) ? 5432 : 3306;

				break;

			case 'pass':

			case 'dbpasswd':

				if ( @file_exists('/bin/stty') && @is_executable('/bin/stty') )

				{

					exec('/bin/stty -echo');

					while ( true )

					{

						$$var = cli_prompt($terms[$var], $defaults[$var]);

						echo "\n";

						$confirm = cli_prompt($lang->get('cli_prompt_confirm'), $defaults[$var]);

						echo "\n";

						if ( $$var === $confirm )

							break;

						else

							echo parse_shellcolor_string($lang->get('cli_err_pass_no_match'));

					}

					exec('/bin/stty echo');

				}

				else

				{

					$$var = cli_prompt("{$terms[$var]} " . $lang->get('cli_msg_echo_warning'), $defaults[$var]);

				}

				break;

			case 'urlscheme':

				$temp = '';

				while ( !in_array($temp, array('standard', 'short', 'rewrite', 'tiny')) )

				{

					$temp = cli_prompt($terms[$var], $defaults[$var]);

				}

				$$var = $temp;

				break;

			case 'db_prefix':

				while ( !preg_match('/^[a-z0-9_]*$/', $$var) )

				{

					$$var = cli_prompt($terms[$var], $defaults[$var]);

				}

				break;

			case 'dbport':

				$$var = cli_prompt($terms[$var], strval($defaults[$var]));

				while ( !preg_match('/^[0-9]*$/', $$var) )

				{

					$$var = cli_prompt($terms[$var], $defaults[$var]);

				}

				$$var = intval($$var);

				break;

		}

	}

}

##

## DB TEST

##

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

require( ENANO_ROOT . '/includes/sql_parse.php' );

$dbal = new $driver();

if ( !$silent )

	echo parse_shellcolor_string($lang->get('cli_msg_testing_db'));

$result = $dbal->connect(true, $dbhost, $dbuser, $dbpasswd, $dbname, $dbport);

if ( !$result )

{

	if ( !$silent )

	{

		echo parse_shellcolor_string($lang->get('cli_test_fail')) . "\n";

		echo "[$driver] " . $dbal->sql_error() . "\n";

	}

	installer_fail($lang->get('cli_err_db_connect_fail'));

}

if ( !$silent )

	echo parse_shellcolor_string($lang->get('cli_test_pass')) . "\n";

##

## SERVER REQUIREMENTS

##

if ( !$silent )

{

	echo parse_shellcolor_string($lang->get('cli_stage_sysreqs'));

}

$failed = false;

$warnings = array();

// Test: PHP

if ( !$silent ) echo '  ' . $lang->get('sysreqs_req_php') . ': ';

if ( version_compare(PHP_VERSION, '5.2.0', '>=') )

{

	if ( !$silent ) echo parse_shellcolor_string($lang->get('cli_test_pass')) . "\n";

}

else if ( version_compare(PHP_VERSION, '5.0.0', '>=') )

{

	if ( !$silent ) echo parse_shellcolor_string($lang->get('cli_test_vwarn')) . "\n";

	$warnings[] = $lang->get('sysreqs_req_help_php', array('php_version' => PHP_VERSION));

}

else

{

	$failed = true;

	if ( !$silent ) echo parse_shellcolor_string($lang->get('cli_test_fail')) . "\n";

}

// Test: MySQL

if ( !$silent ) echo '  ' . $lang->get('sysreqs_req_mysql') . ': ';

$req_mysql = function_exists('mysql_connect');

if ( $req_mysql )

{

	if ( !$silent ) echo parse_shellcolor_string($lang->get('cli_test_pass')) . "\n";

	$have_dbms = true;

}

else

{

	if ( !$silent ) echo parse_shellcolor_string($lang->get('cli_test_fail')) . "\n";

}

// Test: PostgreSQL

if ( !$silent ) echo '  ' . $lang->get('sysreqs_req_postgresql') . ': ';

$req_pgsql = function_exists('pg_connect');

if ( $req_pgsql )

{

	if ( !$silent ) echo parse_shellcolor_string($lang->get('cli_test_pass')) . "\n";

	$have_dbms = true;

}

else

{

	if ( !$silent ) echo parse_shellcolor_string($lang->get('cli_test_fail')) . "\n";

}

if ( !$have_dbms )

	$failed = true;

// Test: Safe Mode

if ( !$silent ) echo '  ' . $lang->get('sysreqs_req_safemode') . ': ';

$req_safemode = !intval(@ini_get('safe_mode'));

if ( !$req_safemode )

{

	if ( !$silent ) echo parse_shellcolor_string($lang->get('cli_test_fail')) . "\n";

	$warnings[] = $lang->get('sysreqs_req_help_safemode');

	$failed = true;

}

else

{

	if ( !$silent ) echo parse_shellcolor_string($lang->get('cli_test_pass')) . "\n";

}

// Test: File uploads

if ( !$silent ) echo '  ' . $lang->get('sysreqs_req_uploads') . ': ';

$req_uploads = intval(@ini_get('file_uploads'));

if ( $req_uploads )

{

	if ( !$silent ) echo parse_shellcolor_string($lang->get('cli_test_pass')) . "\n";

}

else

{

	if ( !$silent ) echo parse_shellcolor_string($lang->get('cli_test_warn')) . "\n";

}

// Test: ctype validation

if ( !$silent ) echo '  ' . $lang->get('sysreqs_req_ctype') . ': ';

$req_ctype = function_exists('ctype_digit');

if ( $req_ctype )

{

	if ( !$silent ) echo parse_shellcolor_string($lang->get('cli_test_pass')) . "\n";

}

else

{

	if ( !$silent ) echo parse_shellcolor_string($lang->get('cli_test_fail')) . "\n";

	$failed = true;

}

// Test: crypto

$crypto_backend = install_get_crypto_backend();

if ( !$silent )

{

	echo '  ' . $lang->get('sysreqs_req_crypto') . ': ';

	switch($crypto_backend)

	{

		case 'bcmath':

			echo parse_shellcolor_string($lang->get('cli_test_warn') . " [<c 0;33>" . $lang->get("sysreqs_req_{$crypto_backend}") . "</c>]") . "\n";

			$warnings[] = $lang->get('sysreqs_req_help_crypto_bcmath');

			break;

		case 'none':

			echo parse_shellcolor_string($lang->get('cli_test_warn') . " [<c 0;31>" . $lang->get("sysreqs_req_notfound") . "</c>]") . "\n";

			$warnings[] = $lang->get('sysreqs_req_help_crypto_none');

			break;

		default:

			echo parse_shellcolor_string($lang->get('cli_test_pass') . " [<c 0;32>" . $lang->get("sysreqs_req_{$crypto_backend}") . "</c>]") . "\n";

			break;

	}

}

// Write tests

$req_config_w = write_test('config.new.php');

$req_htaccess_w = write_test('.htaccess.new');

$req_files_w = write_test('files');

$req_cache_w = write_test('cache');

if ( !$silent ) echo '  ' . $lang->get('sysreqs_req_config_writable') . ': ' . parse_shellcolor_string($lang->get($req_config_w ? 'cli_test_pass' : 'cli_test_fail')) . "\n";

if ( !$silent ) echo '  ' . $lang->get('sysreqs_req_htaccess_writable') . ': ' . parse_shellcolor_string($lang->get($req_htaccess_w ? 'cli_test_pass' : 'cli_test_warn')) . "\n";

if ( !$silent ) echo '  ' . $lang->get('sysreqs_req_files_writable') . ': ' . parse_shellcolor_string($lang->get($req_files_w ? 'cli_test_pass' : 'cli_test_warn')) . "\n";

if ( !$silent ) echo '  ' . $lang->get('sysreqs_req_cache_writable') . ': ' . parse_shellcolor_string($lang->get($req_cache_w ? 'cli_test_pass' : 'cli_test_warn')) . "\n";

if ( !$req_config_w || !$req_htaccess_w || !$req_files_w || !$req_cache_w )

	$warnings[] = $lang->get('sysreqs_req_help_writable');

if ( !$req_config_w )

	$failed = true;

// Extension test: GD

$req_gd = function_exists('imagecreatefrompng') && function_exists('getimagesize') && function_exists('imagecreatetruecolor') && function_exists('imagecopyresampled');

if ( !$req_gd )

	$warnings[] = $lang->get('sysreqs_req_help_gd2');

if ( !$silent ) echo '  ' . $lang->get('sysreqs_req_gd2') . ': ' . parse_shellcolor_string($lang->get($req_gd ? 'cli_test_pass' : 'cli_test_warn')) . "\n";

// FS test: ImageMagick

$req_imagick = which('convert');

if ( !$req_imagick )

	$warnings[] = $lang->get('sysreqs_req_help_imagemagick');

if ( !$silent ) echo '  ' . $lang->get('sysreqs_req_imagemagick') . ': ' . parse_shellcolor_string($lang->get($req_imagick ? 'cli_test_pass' : 'cli_test_warn')) . "\n";

if ( !empty($warnings) && !$silent )

{