install/includes/common.php
author Dan
Sun, 22 Mar 2009 00:44:09 -0400
changeset 880 218b6d4de908
parent 812 68060328e9c6
child 1081 745200a9cc2a
permissions -rw-r--r--
JSON: Properly handles unicode escape sequences (\u####) now
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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<?php
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/*
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 * Enano - an open-source CMS capable of wiki functions, Drupal-like sidebar blocks, and everything in between
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 * Version 1.1.6 (Caoineag beta 1)
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 * Copyright (C) 2006-2008 Dan Fuhry
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 * Installation package
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 * common.php - Installer common functions
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 *
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 * This program is Free Software; you can redistribute and/or modify it under the terms of the GNU General Public License
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 * as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
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 *
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 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
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 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for details.
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 */
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// Our version number. This needs to be changed for any custom releases.
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$installer_version = array(
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  'version' => '1.1.6',
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  'type' => 'beta'
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  // If type is set to "rc", "beta", or "alpha", optionally another version number can be issued with the key 'sub':
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  // 'sub' => '3' will produce Enano 1.1.1a3 / Enano 1.1.1 alpha 3
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);
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function installer_enano_version($long = false)
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{
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  global $installer_version;
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  static $keywords = array(
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    'alpha' => 'a',
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    'beta' => 'b',
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    'RC' => 'rc'
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    );
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  $v = $installer_version['version'];
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  if ( isset($installer_version['sub']) )
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  {
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    $v .= ( !$long ) ? $keywords[$installer_version['type']] : " {$installer_version['type']} ";
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    $v .= $installer_version['sub'];
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  }
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  return $v;
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}
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// Determine Enano root directory
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if ( !defined('ENANO_ROOT') )
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{
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  $enano_root = dirname(dirname(dirname(__FILE__)));
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  if ( preg_match('#/repo$#', $enano_root) && file_exists("$enano_root/../.enanodev") )
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  {
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    $enano_root = preg_replace('#/repo$#', '', $enano_root);
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  }
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  define('ENANO_ROOT', $enano_root);
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}
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chdir(ENANO_ROOT);
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// Determine our scriptPath
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if ( isset($_SERVER['REQUEST_URI']) && !defined('scriptPath') )
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{
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  // Use reverse-matching to determine where the REQUEST_URI overlaps the Enano root.
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  $requri = $_SERVER['REQUEST_URI'];
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  if ( isset($_SERVER['PATH_INFO']) && !preg_match('/index\.php$/', $_SERVER['PATH_INFO']) )
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  {
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    $requri = preg_replace(';' . preg_quote($_SERVER['PATH_INFO']) . '$;', '', $requri);
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  }
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  if ( !preg_match('/\.php$/', $requri) )
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  {
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    // user requested http://foo/enano as opposed to http://foo/enano/index.php
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    $requri .= '/index.php';
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  }
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  $sp = dirname($_SERVER['REQUEST_URI']);
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  if ( $sp == '/' || $sp == '\\' )
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  {
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    $sp = '';
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  }
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  $sp = preg_replace('#/install$#', '', $sp);
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  define('scriptPath', $sp);
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}
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// is Enano already installed?
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@include(ENANO_ROOT . '/config.php');
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if ( defined('ENANO_INSTALLED') && defined('ENANO_DANGEROUS') && !isset($_GET['debug_warn_php4']) )
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{
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  $title = 'Installation locked';
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  require('includes/common.php');
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  $template->header();
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  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>';
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  $template->footer();
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  exit();
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}
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if ( !function_exists('microtime_float') )
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{
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  function microtime_float()
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  {
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    list($usec, $sec) = explode(" ", microtime());
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    return ((float)$usec + (float)$sec);
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  }
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}
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define('IN_ENANO_INSTALL', 1);
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require_once(ENANO_ROOT . '/install/includes/ui.php');
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require_once(ENANO_ROOT . '/includes/functions.php');
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require_once(ENANO_ROOT . '/includes/json.php');
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require_once(ENANO_ROOT . '/includes/constants.php');
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require_once(ENANO_ROOT . '/includes/rijndael.php');
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require_once(ENANO_ROOT . '/includes/hmac.php');
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// If we have at least PHP 5, load json2
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if ( version_compare(PHP_VERSION, '5.0.0', '>=') )
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{
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  require_once(ENANO_ROOT . '/includes/json2.php');
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}
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strip_magic_quotes_gpc();
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// Build a list of available languages
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$dir = @opendir( ENANO_ROOT . '/language' );
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if ( !$dir )
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  die('CRITICAL: could not open language directory');
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$languages = array();
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// Use the old PHP4-compatible JSON decoder
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$json = new Services_JSON(SERVICES_JSON_LOOSE_TYPE);
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while ( $dh = @readdir($dir) )
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{
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  if ( $dh == '.' || $dh == '..' )
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    continue;
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  if ( file_exists( ENANO_ROOT . "/language/$dh/meta.json" ) )
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  {
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    // Found a language directory, determine metadata
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    $meta = @file_get_contents( ENANO_ROOT . "/language/$dh/meta.json" );
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    if ( empty($meta) )
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      // Could not read metadata file, continue silently
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      continue;
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    $meta = $json->decode($meta);
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    if ( isset($meta['lang_name_english']) && isset($meta['lang_name_native']) && isset($meta['lang_code']) )
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    {
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      $languages[$meta['lang_code']] = array(
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          'name' => $meta['lang_name_native'],
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          'name_eng' => $meta['lang_name_english'],
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          'dir' => $dh
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        );
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    }
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  }
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}
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if ( count($languages) < 1 )
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{
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  die('The Enano installer couldn\'t find any languages in the language/ folder. Enano needs at least one language in this folder to load and install properly.');
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}
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// List of available DB drivers
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$supported_drivers = array('mysql', 'postgresql');
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// Divert to CLI loader if running from CLI
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if ( isset($argc) && isset($argv) )
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{
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  if ( is_int($argc) && is_array($argv) && !isset($_SERVER['REQUEST_URI']) )
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  {
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    define('ENANO_CLI', '');
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  }
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}
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?>