<?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 )

{

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

  echo "  " . implode("\n  ", $warnings) . "\n";

}

if ( !function_exists('mysql_connect') && !function_exists('pg_connect') )

{

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

}

if ( $failed )

{

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

}

##

## STAGE 1 INSTALLATION

##