/docroot/pgadmin/libraries/lib.inc.php
PHP | 263 lines | 161 code | 48 blank | 54 comment | 64 complexity | d333ce6b5c8052f45c2c5964f7bd214f MD5 | raw file
- <?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 = '5.0.1';
- // 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)));
- }
- }
- ?>