267 lines
8.5 KiB
PHP
267 lines
8.5 KiB
PHP
<?php
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/**
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* Contains code to be executed at the top of each application page.
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* include this file at the top of every PHP file.
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*
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* This file will "pre-initialise" an application environment so that any PHP file will have a consistent
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* environment with other application PHP files.
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*
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* This code WILL NOT check that all required functions are usable/readable, etc. This process has
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* been moved to index.php (which really is only called once when a browser hits the application for the first time).
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*
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* The list of ADDITIONAL function files is now defined in functions.php.
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*
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* @author The phpLDAPadmin development team
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* @package phpLDAPadmin
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*/
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/**
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* @package phpLDAPadmin
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* @subpackage Functions
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*/
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/* Initialize the app array. The app array is initialised each invocation of a PLA script and therefore
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has no state between invocations.*/
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$app = array();
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/** The index we will store our config in $_SESSION */
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if (! defined('APPCONFIG'))
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define('APPCONFIG','plaConfig');
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/**
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* Catch any scripts that are called directly.
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* If they are called directly, then they should be routed back through index.php
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*/
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$app['direct_scripts'] = array('cmd.php','index.php',
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'view_jpeg_photo.php','entry_chooser.php',
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'password_checker.php','download_binary_attr.php',
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'unserialize.php'
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);
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# Which script was invoked.
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$app['script_running'] = $_SERVER['SCRIPT_NAME'];
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foreach ($app['direct_scripts'] as $script) {
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$app['scriptOK'] = false;
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if (preg_match('/'.$script.'$/',$app['script_running'])) {
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$app['scriptOK'] = true;
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break;
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}
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}
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# Anything in the tools dir or cron dir can be executed directly.
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if ((! $app['scriptOK'] && preg_match('/^\/[cron|tools]/',$app['script_running'])) || ! isset($_SERVER['SERVER_SOFTWARE']))
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$app['scriptOK'] = true;
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if (! $app['scriptOK']) {
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if (isset($_REQUEST['server_id']))
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header(sprintf('Location: index.php?server_id=%s',$_REQUEST['server_id']));
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else
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header('Location: index.php');
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die();
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}
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/**
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* All commands are disabled in read-only unless specified here
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*/
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$app['readwrite_cmds'] = array(
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'collapse','draw_tree_node','expand',
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'compare_form','compare',
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'download_binary_attr','view_jpeg_photo',
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'entry_chooser',
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'export_form','export',
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'login_form','login','logout',
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'monitor',
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'password_checker',
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'purge_cache',
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'refresh','schema','query_engine','server_info','show_cache','template_engine',
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'welcome'
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);
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/**
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* Timer stopwatch, used to instrument the application
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*/
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if (! function_exists('stopwatch')) {
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function stopwatch() {
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static $mt_previous = 0;
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list($usec,$sec) = explode(' ',microtime());
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$mt_current = (float)$usec + (float)$sec;
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if (! $mt_previous) {
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$mt_previous = $mt_current;
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return 0;
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} else {
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$mt_diff = ($mt_current - $mt_previous);
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$mt_previous = $mt_current;
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return sprintf('%.5f',$mt_diff);
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}
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}
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# For compatability - if common has been sourced a second time, then return to the calling script.
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} else {
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return;
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}
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# Set the defualt time zone, if it isnt set in php.ini
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if (function_exists('date_default_timezone_set') && ! ini_get('date.timezone'))
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date_default_timezone_set('UTC');
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# If we are called from index.php, LIBDIR will be set, all other calls to common.php dont need to set it.
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if (! defined('LIBDIR'))
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define('LIBDIR','../lib/');
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# For PHP5 backward/forward compatibility
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if (! defined('E_STRICT'))
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define('E_STRICT',2048);
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# General functions needed to proceed.
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ob_start();
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require_once realpath(LIBDIR.'functions.php');
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if (ob_get_level())
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ob_end_clean();
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/**
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* Turn on all notices and warnings. This helps us write cleaner code (we hope at least)
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* Our custom error handler receives all error notices that pass the error_reporting()
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* level set above.
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*/
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# Call our custom defined error handler, if it is defined in functions.php
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if (function_exists('app_error_handler'))
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set_error_handler('app_error_handler');
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# Disable error reporting until all our required functions are loaded.
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error_reporting(0);
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/**
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* functions.php should have defined our $app['function_files'] array, listing all our
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* required functions (order IS important).
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* index.php should have checked they exist and are usable - we'll assume that the user
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* has been via index.php, and fixed any problems already.
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*/
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ob_start();
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if (isset($app['function_files']) && is_array($app['function_files']))
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foreach ($app['function_files'] as $script)
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require_once realpath($script);
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# Now read in config_default.php
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require_once realpath(LIBDIR.'config_default.php');
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if (ob_get_level())
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ob_end_clean();
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# We are now ready for error reporting.
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error_reporting(E_ALL);
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# Start our session.
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app_session_start();
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# See if we have a session, we can then get our theme out
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$app['theme'] = 'default';
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if (isset($_SESSION[APPCONFIG]))
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if (is_dir(realpath(sprintf('images/%s',$_SESSION[APPCONFIG]->getValue('appearance','theme'))))
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&& is_file(realpath(sprintf('css/%s/%s',$_SESSION[APPCONFIG]->getValue('appearance','theme'),$_SESSION[APPCONFIG]->getValue('appearance','stylesheet')))))
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$app['theme'] = $_SESSION[APPCONFIG]->getValue('appearance','theme');
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define('CSSDIR',sprintf('css/%s',$app['theme']));
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define('IMGDIR',sprintf('images/%s',$app['theme']));
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# Initialise the hooks
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if (file_exists(LIBDIR.'hooks.php'))
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require_once LIBDIR.'hooks.php';
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# If we get here, and $_SESSION[APPCONFIG] is not set, then redirect the user to the index.
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if (isset($_SERVER['SERVER_SOFTWARE']) && ! isset($_SESSION[APPCONFIG])) {
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if ($_SERVER['QUERY_STRING'])
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header(sprintf('Location: index.php?URI=%s',base64_encode($_SERVER['QUERY_STRING'])));
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else
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header('Location: index.php');
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die();
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} else {
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# SF Bug #1903987
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if (! method_exists($_SESSION[APPCONFIG],'CheckCustom'))
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error('Unknown situation, $_SESSION[APPCONFIG] exists, but method CheckCustom() does not','error',null,true,true);
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# Check our custom variables.
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# @todo Change this so that we dont process a cached session.
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$_SESSION[APPCONFIG]->CheckCustom();
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}
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# Check for safe mode.
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if (@ini_get('safe_mode') && ! get_request('cmd','GET'))
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system_message(array(
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'title'=>_('PHP Safe Mode'),
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'body'=>_('You have PHP Safe Mode enabled. This application may work unexpectedly in Safe Mode.'),
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'type'=>'info'));
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# Set our timezone, if it is specified in config.php
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if ($_SESSION[APPCONFIG]->getValue('appearance','timezone'))
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date_default_timezone_set($_SESSION[APPCONFIG]->getValue('appearance','timezone'));
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# If we are here, $_SESSION is set - so enabled DEBUGing if it has been configured.
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if (($_SESSION[APPCONFIG]->getValue('debug','syslog') || $_SESSION[APPCONFIG]->getValue('debug','file'))
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&& $_SESSION[APPCONFIG]->getValue('debug','level'))
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define('DEBUG_ENABLED',1);
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else
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define('DEBUG_ENABLED',0);
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if (DEBUG_ENABLED)
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debug_log('Application (%s) initialised and starting with (%s).',1,0,__FILE__,__LINE__,__METHOD__,
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app_version(),$_REQUEST);
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# Set our PHP timelimit.
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if ($_SESSION[APPCONFIG]->getValue('session','timelimit') && ! @ini_get('safe_mode'))
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set_time_limit($_SESSION[APPCONFIG]->getValue('session','timelimit'));
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# If debug mode is set, increase the time_limit, since we probably need it.
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if (DEBUG_ENABLED && $_SESSION[APPCONFIG]->getValue('session','timelimit') && ! @ini_get('safe_mode'))
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set_time_limit($_SESSION[APPCONFIG]->getValue('session','timelimit') * 5);
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setlanguage();
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/**
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* Strip slashes from GET, POST, and COOKIE variables if this
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* PHP install is configured to automatically addslashes()
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*/
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if (@get_magic_quotes_gpc() && (! isset($slashes_stripped) || ! $slashes_stripped)) {
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array_stripslashes($_REQUEST);
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array_stripslashes($_GET);
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array_stripslashes($_POST);
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array_stripslashes($_COOKIE);
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$slashes_stripped = true;
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}
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# Create our application repository variable.
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$app['server'] = $_SESSION[APPCONFIG]->getServer(get_request('server_id','REQUEST'));
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/**
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* Look/evaluate our timeout
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*/
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if (! $app['server']->isSessionValid()) {
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system_message(array(
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'title'=>_('Session Timed Out'),
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'body'=>sprintf('%s %s %s',
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_('Your Session timed out after'),$app['server']->getValue('login','timeout'),
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_('min. of inactivity. You have been automatically logged out.')),
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'type'=>'info'),sprintf('index.php?server_id=%s&refresh=SID_%s',$app['server']->getIndex(),$app['server']->getIndex()));
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die();
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}
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# If syslog is enabled, we need to include the supporting file.
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if ($_SESSION[APPCONFIG]->getValue('debug','syslog'))
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require LIBDIR.'syslog.php';
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/**
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* At this point we have read all our additional function PHP files and our configuration.
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* If we are using hooks, run the session_init hook.
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*/
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if (function_exists('run_hook'))
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run_hook('post_session_init',array());
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?>
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