1 <?php

     2 

     3 /*

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

     5  * Version 1.1.1

     6  * Copyright (C) 2006-2007 Dan Fuhry

     7  * Installation package

     8  * common.php - Installer common functions

     9  *

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

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

    12  *

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

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

    15  */

    16 

    17 // Our version number. This needs to be changed for any custom releases.

    18 $installer_version = array(

    19   'version' => '1.1.1',

    20   'type' => 'alpha'

    21   // If type is set to "rc", "beta", or "alpha", optionally another version number can be issued with the key 'sub':

    22   // 'sub' => '3' will produce Enano 1.1.1a3 / Enano 1.1.1 alpha 3

    23 );

    24  

    25 // Determine Enano root directory

    26 

    27 $enano_root = dirname(dirname(dirname(__FILE__)));

    28 if ( preg_match('#/repo$#', $enano_root) && file_exists("$enano_root/../.enanodev") )

    29 {

    30   $enano_root = preg_replace('#/repo$#', '', $enano_root);

    31 }

    32 

    33 define('ENANO_ROOT', $enano_root);

    34 

    35 chdir(ENANO_ROOT);

    36 

    37 // Determine our scriptPath

    38 if ( isset($_SERVER['REQUEST_URI']) )

    39 {

    40   // Use reverse-matching to determine where the REQUEST_URI overlaps the Enano root.

    41   $requri = $_SERVER['REQUEST_URI'];

    42   if ( isset($_SERVER['PATH_INFO']) && !preg_match('/index\.php$/', $_SERVER['PATH_INFO']) )

    43   {

    44     $requri = preg_replace(';' . preg_quote($_SERVER['PATH_INFO']) . '$;', '', $requri);

    45   }

    46   if ( !preg_match('/\.php$/', $requri) )

    47   {

    48     // user requested http://foo/enano as opposed to http://foo/enano/index.php

    49     $requri .= '/index.php';

    50   }

    51   $sp = dirname($_SERVER['REQUEST_URI']);

    52   if ( $sp == '/' || $sp == '\\' )

    53   {

    54     $sp = '';

    55   }

    56   $sp = preg_replace('#/install$#', '', $sp);

    57   define('scriptPath', $sp);

    58 }

    59 

    60 // is Enano already installed?

    61 @include(ENANO_ROOT . '/config.php');

    62 if ( defined('ENANO_INSTALLED') && defined('ENANO_DANGEROUS') )

    63 {

    64   $title = 'Installation locked';

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

    66   $template->header();

    67   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>';

    68   $template->footer();

    69   exit();

    70 }

    71 

    72 function microtime_float()

    73 {

    74   list($usec, $sec) = explode(" ", microtime());

    75   return ((float)$usec + (float)$sec);

    76 }

    77 

    78 define('IN_ENANO_INSTALL', 1);

    79 

    80 require(ENANO_ROOT . '/install/includes/ui.php');

    81 require(ENANO_ROOT . '/includes/functions.php');

    82 require(ENANO_ROOT . '/includes/json.php');

    83 require(ENANO_ROOT . '/includes/constants.php');

    84 require(ENANO_ROOT . '/includes/rijndael.php');

    85 // If we have at least PHP 5, load json2

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

    87 {

    88   require(ENANO_ROOT . '/includes/json2.php');

    89 }

    90 

    91 // Build a list of available languages

    92 $dir = @opendir( ENANO_ROOT . '/language' );

    93 if ( !$dir )

    94   die('CRITICAL: could not open language directory');

    95 

    96 $languages = array();

    97 // Use the old PHP4-compatible JSON decoder

    98 $json = new Services_JSON(SERVICES_JSON_LOOSE_TYPE);

    99 

   100 while ( $dh = @readdir($dir) )

   101 {

   102   if ( $dh == '.' || $dh == '..' )

   103     continue;

   104   if ( file_exists( ENANO_ROOT . "/language/$dh/meta.json" ) )

   105   {

   106     // Found a language directory, determine metadata

   107     $meta = @file_get_contents( ENANO_ROOT . "/language/$dh/meta.json" );

   108     if ( empty($meta) )

   109       // Could not read metadata file, continue silently

   110       continue;

   111     $meta = $json->decode($meta);

   112     if ( isset($meta['lang_name_english']) && isset($meta['lang_name_native']) && isset($meta['lang_code']) )

   113     {

   114       $languages[$meta['lang_code']] = array(

   115           'name' => $meta['lang_name_native'],

   116           'dir' => $dh

   117         );

   118     }

   119   }

   120 }

   121 

   122 if ( count($languages) < 1 )

   123 {

   124   die('CRITICAL: No languages are available');

   125 }

   126 

   127 // List of available DB drivers

   128 $supported_drivers = array('mysql', 'postgresql');

   129 

   130 ?>