<?php
/**
* Function library read in upon startup
*
* $Id: lib.inc.php,v 1.123 2008/04/06 01:10:35 xzilla Exp $
*/
include_once('./libraries/decorator.inc.php');
include_once('./lang/translations.php');
// Set error reporting level to max
error_reporting(E_ALL);
// Application name
$appName = 'phpPgAdmin';
// Application version
$appVersion = '5.0.2';
// PostgreSQL and PHP minimum version
$postgresqlMinVer = '7.4';
$phpMinVer = '5.0';
// Check the version of PHP
if (version_compare(phpversion(), $phpMinVer, '<'))
exit(sprintf('Version of PHP not supported. Please upgrade to version %s or later.', $phpMinVer));
// Check to see if the configuration file exists, if not, explain
if (file_exists('conf/config.inc.php')) {
$conf = array();
include('./conf/config.inc.php');
}
else {
echo 'Configuration error: Copy conf/config.inc.php-dist to conf/config.inc.php and edit appropriately.';
exit;
}
// Configuration file version. If this is greater than that in config.inc.php, then
// the app will refuse to run. This and $conf['version'] should be incremented whenever
// backwards incompatible changes are made to config.inc.php-dist.
$conf['base_version'] = 16;
// Always include english.php, since it's the master language file
if (!isset($conf['default_lang'])) $conf['default_lang'] = 'english';
$lang = array();
require_once('./lang/recoded/english.php');
// Create Misc class references
require_once('./classes/Misc.php');
$misc = new Misc();
// Start session (if not auto-started)
if (!ini_get('session.auto_start')) {
session_name('PPA_ID');
session_start();
}
// Do basic PHP configuration checks
if (ini_get('magic_quotes_gpc')) {
$misc->stripVar($_GET);
$misc->stripVar($_POST);
$misc->stripVar($_COOKIE);
$misc->stripVar($_REQUEST);
}
// This has to be deferred until after stripVar above
$misc->setHREF();
$misc->setForm();
// Enforce PHP environment
ini_set('magic_quotes_runtime', 0);
ini_set('magic_quotes_sybase', 0);
ini_set('arg_separator.output', '&');
// If login action is set, then set session variables
if (isset($_POST['loginServer']) && isset($_POST['loginUsername']) &&
isset($_POST['loginPassword_'.md5($_POST['loginServer'])])) {
$_server_info = $misc->getServerInfo($_POST['loginServer']);
$_server_info['username'] = $_POST['loginUsername'];
$_server_info['password'] = $_POST['loginPassword_'.md5($_POST['loginServer'])];
$misc->setServerInfo(null, $_server_info, $_POST['loginServer']);
// Check for shared credentials
if (isset($_POST['loginShared'])) {
$_SESSION['sharedUsername'] = $_POST['loginUsername'];
$_SESSION['sharedPassword'] = $_POST['loginPassword_'.md5($_POST['loginServer'])];
}
$_reload_browser = true;
}
/* select the theme */
unset($_theme);
$conf['theme'] = 'default';
// 1. Check for the theme from a request var
if (isset($_REQUEST['theme']) && is_file("./themes/{$_REQUEST['theme']}/global.css")) {
/* save the selected theme in cookie for a year */
setcookie('ppaTheme', $_REQUEST['theme'], time()+31536000);
$_theme = $_SESSION['ppaTheme'] = $conf['theme'] = $_REQUEST['theme'];
}
// 2. Check for theme session var
if (!isset($_theme) && isset($_SESSION['ppaTheme']) && is_file("./themes/{$_SESSION['ppaTheme']}/global.css")) {
$conf['theme'] = $_SESSION['ppaTheme'];
}
// 3. Check for theme in cookie var
if (!isset($_theme) && isset($_COOKIE['ppaTheme']) && is_file("./themes/{$_COOKIE['ppaTheme']}/global.css")) {
$conf['theme'] = $_COOKIE['ppaTheme'];
}
// Determine language file to import:
unset($_language);
// 1. Check for the language from a request var
if (isset($_REQUEST['language']) && isset($appLangFiles[$_REQUEST['language']])) {
/* save the selected language in cookie for a year */
setcookie('webdbLanguage', $_REQUEST['language'], time()+31536000);
$_language = $_REQUEST['language'];
}
// 2. Check for language session var
if (!isset($_language) && isset($_SESSION['webdbLanguage']) && isset($appLangFiles[$_SESSION['webdbLanguage']])) {
$_language = $_SESSION['webdbLanguage'];
}
// 3. Check for language in cookie var
if (!isset($_language) && isset($_COOKIE['webdbLanguage']) && isset($appLangFiles[$_COOKIE['webdbLanguage']])) {
$_language = $_COOKIE['webdbLanguage'];
}
// 4. Check for acceptable languages in HTTP_ACCEPT_LANGUAGE var
if (!isset($_language) && $conf['default_lang'] == 'auto' && isset($_SERVER['HTTP_ACCEPT_LANGUAGE'])) {
// extract acceptable language tags
// (http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.4)
preg_match_all('/\s*([a-z]{1,8}(?:-[a-z]{1,8})*)(?:;q=([01](?:.[0-9]{0,3})?))?\s*(?:,|$)/', strtolower($_SERVER['HTTP_ACCEPT_LANGUAGE']), $_m, PREG_SET_ORDER);
foreach($_m as $_l) { // $_l[1] = language tag, [2] = quality
if (!isset($_l[2])) $_l[2] = 1; // Default quality to 1
if ($_l[2] > 0 && $_l[2] <= 1 && isset($availableLanguages[$_l[1]])) {
// Build up array of (quality => language_file)
$_acceptLang[$_l[2]] = $availableLanguages[$_l[1]];
}
}
unset($_m);
unset($_l);
if (isset($_acceptLang)) {
// Sort acceptable languages by quality
krsort($_acceptLang, SORT_NUMERIC);
$_language = reset($_acceptLang);
unset($_acceptLang);
}
}
// 5. Otherwise resort to the default set in the config file
if (!isset($_language) && $conf['default_lang'] != 'auto' && isset($appLangFiles[$conf['default_lang']])) {
$_language = $conf['default_lang'];
}
// Import the language file
if (isset($_language)) {
include("./lang/recoded/{$_language}.php");
$_SESSION['webdbLanguage'] = $_language;
}
// Check for config file version mismatch
if (!isset($conf['version']) || $conf['base_version'] > $conf['version']) {
echo $lang['strbadconfig'];
exit;
}
// Check database support is properly compiled in
if (!function_exists('pg_connect')) {
echo $lang['strnotloaded'];
exit;
}
// Create data accessor object, if necessary
if (!isset($_no_db_connection)) {
if (!isset($_REQUEST['server'])) {
echo $lang['strnoserversupplied'];
exit;
}
$_server_info = $misc->getServerInfo();
/* starting with PostgreSQL 9.0, we can set the application name */
if(isset($_server_info['pgVersion']) && $_server_info['pgVersion'] >= 9)
putenv("PGOPTIONS=--application_name={$appName}_{$appVersion}");
// Redirect to the login form if not logged in
if (!isset($_server_info['username'])) {
include('./login.php');
exit;
}
// Connect to the current database, or if one is not specified
// then connect to the default database.
if (isset($_REQUEST['database']))
$_curr_db = $_REQUEST['database'];
else
$_curr_db = $_server_info['defaultdb'];
include_once('./classes/database/Connection.php');
// Connect to database and set the global $data variable
$data = $misc->getDatabaseAccessor($_curr_db);
// If schema is defined and database supports schemas, then set the
// schema explicitly.
if (isset($_REQUEST['database']) && isset($_REQUEST['schema'])) {
$status = $data->setSchema($_REQUEST['schema']);
if ($status != 0) {
echo $lang['strbadschema'];
exit;
}
}
// Get database encoding
$dbEncoding = $data->getDatabaseEncoding();
// Set client encoding to database encoding
if ($dbEncoding != '') {
// Explicitly change client encoding if it's different to server encoding.
if (function_exists('pg_client_encoding'))
$currEncoding = pg_client_encoding($data->conn->_connectionID);
elseif (function_exists('pg_clientencoding'))
$currEncoding = pg_clientencoding($data->conn->_connectionID);
else
$currEncoding = null;
if ($currEncoding != $dbEncoding) {
$status = $data->setClientEncoding($dbEncoding);
if ($status != 0 && $status != -99) {
echo $lang['strbadencoding'];
exit;
}
}
// Override $lang['appcharset']
if (isset($data->codemap[$dbEncoding]))
$lang['appcharset'] = $data->codemap[$dbEncoding];
else
$lang['appcharset'] = $dbEncoding;
}
// Load Slony if required
if ($_server_info['slony_support']) {
include('./classes/plugins/Slony.php');
$slony = new Slony();
}
}
if (!function_exists("htmlspecialchars_decode")) {
function htmlspecialchars_decode($string, $quote_style = ENT_COMPAT) {
return strtr($string, array_flip(get_html_translation_table(HTML_SPECIALCHARS, $quote_style)));
}
}
?>