--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/install/includes/common.php	Wed Jan 16 13:55:49 2008 -0500
@@ -0,0 +1,130 @@
+<?php
+
+/*
+ * Enano - an open-source CMS capable of wiki functions, Drupal-like sidebar blocks, and everything in between
+ * Version 1.1.1
+ * Copyright (C) 2006-2007 Dan Fuhry
+ * Installation package
+ * common.php - Installer common functions
+ *
+ * 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.
+ */
+
+// Our version number. This needs to be changed for any custom releases.
+$installer_version = array(
+  'version' => '1.1.1',
+  'type' => 'alpha'
+  // If type is set to "rc", "beta", or "alpha", optionally another version number can be issued with the key 'sub':
+  // 'sub' => '3' will produce Enano 1.1.1a3 / Enano 1.1.1 alpha 3
+);
+ 
+// Determine Enano root directory
+
+$enano_root = dirname(dirname(dirname(__FILE__)));
+if ( preg_match('#/repo$#', $enano_root) && file_exists("$enano_root/../.enanodev") )
+{
+  $enano_root = preg_replace('#/repo$#', '', $enano_root);
+}
+
+define('ENANO_ROOT', $enano_root);
+
+chdir(ENANO_ROOT);
+
+// Determine our scriptPath
+if ( isset($_SERVER['REQUEST_URI']) )
+{
+  // Use reverse-matching to determine where the REQUEST_URI overlaps the Enano root.
+  $requri = $_SERVER['REQUEST_URI'];
+  if ( isset($_SERVER['PATH_INFO']) && !preg_match('/index\.php$/', $_SERVER['PATH_INFO']) )
+  {
+    $requri = preg_replace(';' . preg_quote($_SERVER['PATH_INFO']) . '$;', '', $requri);
+  }
+  if ( !preg_match('/\.php$/', $requri) )
+  {
+    // user requested http://foo/enano as opposed to http://foo/enano/index.php
+    $requri .= '/index.php';
+  }
+  $sp = dirname($_SERVER['REQUEST_URI']);
+  if ( $sp == '/' || $sp == '\\' )
+  {
+    $sp = '';
+  }
+  $sp = preg_replace('#/install$#', '', $sp);
+  define('scriptPath', $sp);
+}
+
+// is Enano already installed?
+@include(ENANO_ROOT . '/config.php');
+if ( defined('ENANO_INSTALLED') && defined('ENANO_DANGEROUS') )
+{
+  $title = 'Installation locked';
+  require('includes/common.php');
+  $template->header();
+  echo '<p>The installer has detected that an installation of Enano already exists on your server. You MUST delete config.php if you wish to reinstall Enano.</p>';
+  $template->footer();
+  exit();
+}
+
+function microtime_float()
+{
+  list($usec, $sec) = explode(" ", microtime());
+  return ((float)$usec + (float)$sec);
+}
+
+define('IN_ENANO_INSTALL', 1);
+
+require(ENANO_ROOT . '/install/includes/ui.php');
+require(ENANO_ROOT . '/includes/functions.php');
+require(ENANO_ROOT . '/includes/json.php');
+require(ENANO_ROOT . '/includes/constants.php');
+require(ENANO_ROOT . '/includes/rijndael.php');
+// If we have at least PHP 5, load json2
+if ( version_compare(PHP_VERSION, '5.0.0', '>=') )
+{
+  require(ENANO_ROOT . '/includes/json2.php');
+}
+
+// Build a list of available languages
+$dir = @opendir( ENANO_ROOT . '/language' );
+if ( !$dir )
+  die('CRITICAL: could not open language directory');
+
+$languages = array();
+// Use the old PHP4-compatible JSON decoder
+$json = new Services_JSON(SERVICES_JSON_LOOSE_TYPE);
+
+while ( $dh = @readdir($dir) )
+{
+  if ( $dh == '.' || $dh == '..' )
+    continue;
+  if ( file_exists( ENANO_ROOT . "/language/$dh/meta.json" ) )
+  {
+    // Found a language directory, determine metadata
+    $meta = @file_get_contents( ENANO_ROOT . "/language/$dh/meta.json" );
+    if ( empty($meta) )
+      // Could not read metadata file, continue silently
+      continue;
+    $meta = $json->decode($meta);
+    if ( isset($meta['lang_name_english']) && isset($meta['lang_name_native']) && isset($meta['lang_code']) )
+    {
+      $languages[$meta['lang_code']] = array(
+          'name' => $meta['lang_name_native'],
+          'dir' => $dh
+        );
+    }
+  }
+}
+
+if ( count($languages) < 1 )
+{
+  die('CRITICAL: No languages are available');
+}
+
+// List of available DB drivers
+$supported_drivers = array('mysql', 'postgresql');
+
+?>