<?php

/*

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

 * Copyright (C) 2006-2008 Dan Fuhry

 * Installation package

 * sysreqs.php - Installer system-requirements page

 *

 * 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();

global $failed, $warned;

$failed = false;

$warned = false;

function not($var)

{

  if($var)

  {

    return false;

  } 

  else

  {

    return true;

  }

}

function run_test($code, $desc, $extended_desc, $warn = false)

{

  global $failed, $warned;

  static $cv = true;

  $cv = not($cv);

  $val = eval($code);

  if($val)

  {

    if($cv) $color='CCFFCC'; else $color='AAFFAA';

    echo "<tr><td style='background-color: #$color; width: 500px; padding: 5px;'>$desc</td><td style='padding-left: 10px;'><img alt='Test passed' src='../images/check.png' /></td></tr>";

  } elseif(!$val && $warn) {

    if($cv) $color='FFFFCC'; else $color='FFFFAA';

    echo "<tr><td style='background-color: #$color; width: 500px; padding: 5px;'>$desc<br /><b>$extended_desc</b></td><td style='padding-left: 10px;'><img alt='Test passed with warning' src='../images/checkunk.png' /></td></tr>";

    $warned = true;

  } else {

    if($cv) $color='FFCCCC'; else $color='FFAAAA';

    echo "<tr><td style='background-color: #$color; width: 500px; padding: 5px;'>$desc<br /><b>$extended_desc</b></td><td style='padding-left: 10px;'><img alt='Test failed' src='../images/checkbad.png' /></td></tr>";

    $failed = true;

  }

}

function is_apache()

{

  $r = strstr($_SERVER['SERVER_SOFTWARE'], 'Apache') ? true : false;

  return $r;

}

function config_write_test()

{

  if ( !is_writable(ENANO_ROOT.'/config.new.php') )

    return false;

  // We need to actually _open_ the file to make sure it can be written, because sometimes this fails even when is_writable() returns

  // true on Windows/IIS servers. Don't ask me why.

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

  if ( !$h )

    return false;

  fclose($h);

  return true;

}

?>

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

 <p><?php echo $lang->get('sysreqs_blurb'); ?></p>

<table border="0" cellspacing="0" cellpadding="0">

<?php

run_test('return version_compare(\'5.2.0\', PHP_VERSION, \'<=\');', $lang->get('sysreqs_req_php5'), $lang->get('sysreqs_req_desc_php5'), true);

run_test('return function_exists(\'mysql_connect\');', $lang->get('sysreqs_req_mysql'), $lang->get('sysreqs_req_desc_mysql'), true);

run_test('return function_exists(\'pg_connect\');', $lang->get('sysreqs_req_postgres'), $lang->get('sysreqs_req_desc_postgres'), true);

run_test('return @ini_get(\'file_uploads\');', $lang->get('sysreqs_req_uploads'), $lang->get('sysreqs_req_desc_uploads') );

run_test('return is_apache();', $lang->get('sysreqs_req_apache'), $lang->get('sysreqs_req_desc_apache'), true);

run_test('return config_write_test();', $lang->get('sysreqs_req_config'), $lang->get('sysreqs_req_desc_config') );

run_test('return file_exists(\'/usr/bin/convert\');', $lang->get('sysreqs_req_magick'), $lang->get('sysreqs_req_desc_magick'), true);

run_test('return is_writable(ENANO_ROOT.\'/cache/\');', $lang->get('sysreqs_req_cachewriteable'), $lang->get('sysreqs_req_desc_cachewriteable'), true);

run_test('return is_writable(ENANO_ROOT.\'/files/\');', $lang->get('sysreqs_req_fileswriteable'), $lang->get('sysreqs_req_desc_fileswriteable'), true);

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

{

  run_test('return false;', $lang->get('sysreqs_req_nodbdrivers'), $lang->get('sysreqs_req_desc_nodbdrivers'), false);

}

echo '</table>';

echo '<br />';

if(!$failed)

{

  ?>

  <div class="pagenav">

  <?php

  if($warned) {

    echo '<table border="0" cellspacing="0" cellpadding="0">';

    run_test('return false;', $lang->get('sysreqs_summary_warn_title'), $lang->get('sysreqs_summary_warn_body'), true);

    echo '</table>';

  } else {

    echo '<table border="0" cellspacing="0" cellpadding="0">';

    run_test('return true;', '<b>' . $lang->get('sysreqs_summary_success_title') . '</b><br />' . $lang->get('sysreqs_summary_success_body'), 'You should never see this text. Congratulations for being an Enano hacker!');

    echo '</table>';

  }

  ?>

  <form action="install.php?stage=database" method="post">

    <?php

      echo '<input type="hidden" name="language" value="' . $lang_id . '" />';

    ?>

    <table border="0">

    <tr>

      <td>

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

      </td>

      <td>

        <p>

          <span style="font-weight: bold;"><?php echo $lang->get('meta_lbl_before_continue'); ?></span><br />

          &bull; <?php echo $lang->get('sysreqs_objective_scalebacks'); ?><br />

          &bull; <?php echo $lang->get('license_objective_have_db_info'); ?>

        </p>

      </td>

    </tr>

    </table>

  </form>

  </div>

<?php

}

else

{

  if ( $failed )

  {

    echo '<div class="pagenav"><table border="0" cellspacing="0" cellpadding="0">';

    run_test('return false;', $lang->get('sysreqs_summary_fail_title'), $lang->get('sysreqs_summary_fail_body'));

    echo '</table></div>';

  }

}

?>