phpldapadmin/lib/common.php
2009-06-30 20:41:18 +10:00

202 lines
5.7 KiB
PHP

<?php
// $Header: /cvsroot/phpldapadmin/phpldapadmin/lib/common.php,v 1.79 2006/09/17 07:22:09 wurley Exp $
/**
* Contains code to be executed at the top of each phpLDAPadmin page.
* include this file at the top of every PHP file.
*
* This file will "pre-initialise" a PLA environment so that any PHP file will have a consistent
* environment with other PLA PHP files.
*
* This code WILL NOT check that all required functions are usable/readable, etc. This process has
* been moved to index.php (which really is only called once when a browser hits PLA for the first time).
*
* The list of ADDITIONAL function files is now defined in functions.php.
*
* @package phpLDAPadmin
*/
$timer = stopwatch();
@define('LIBDIR','../lib/');
# For PHP5 backward/forward compatibility
if (! defined('E_STRICT'))
define('E_STRICT',2048);
# General functions needed to proceed.
ob_start();
require_once realpath(LIBDIR.'functions.php');
ob_end_clean();
# Turn on all notices and warnings. This helps us write cleaner code (we hope at least)
if (phpversion() < 5)
pla_error('Sorry, PLA is now a PHP5 application.<BR>For a PHP4 application, please use a 0.9.x version.');
/* Our custom error handler receives all error notices that pass the error_reporting()
level set above. */
set_error_handler('pla_error_handler');
# Disable error reporting until all our required functions are loaded.
error_reporting(0);
/*
* functions.php should have defined our pla_function_files array, listing all our
* required functions (order IS important).
* index.php should have checked they exist and are usable - we'll assume that the user
* has been via index.php, and fixed any problems already.
*/
ob_start();
foreach ($pla_function_files as $file_name) {
require_once realpath ($file_name);
}
# Now read in config_default.php, which also reads in config.php
require_once realpath(LIBDIR.'config_default.php');
ob_end_clean();
# We are now ready for error reporting.
error_reporting(E_DEBUG);
/**
* At this point we have read all our additional function PHP files and our configuration.
*/
# Check our custom variables.
$config->CheckCustom();
if (pla_session_start())
run_hook('post_session_init',array());
/*
* Language configuration. Auto or specified?
* Shall we attempt to auto-determine the language?
*/
$language = $config->GetValue('appearance','language');
if ($language == 'auto') {
# Make sure their browser correctly reports language. If not, skip this.
if (isset($_SERVER['HTTP_ACCEPT_LANGUAGE'])) {
# Get the languages which are spetcified in the HTTP header
$HTTP_LANGS = preg_split ('/[;,]+/',$_SERVER['HTTP_ACCEPT_LANGUAGE']);
foreach ($HTTP_LANGS as $key => $value) {
if (substr($value,0,2) == 'q=') {
unset($HTTP_LANGS[$key]);
continue;
}
$value = preg_split('/[-]+/',$value);
if (sizeof($value) == 2)
$HTTP_LANGS[$key] = strtolower($value[0]).'_'.strtoupper($value[1]);
else
$HTTP_LANGS[$key] = auto_lang(strtolower($value[0]));
}
$HTTP_LANGS = array_unique($HTTP_LANGS);
foreach ($HTTP_LANGS as $HTTP_LANG) {
# Try to grab one after the other the language file
$language_file = LANGDIR.$HTTP_LANG;
if ((substr($HTTP_LANG,0,2) == 'en') ||
(file_exists($language_file) && is_readable($language_file))) {
# Set language
putenv('LANG='.$HTTP_LANG); # e.g. LANG=de_DE
$HTTP_LANG .= '.UTF-8';
setlocale(LC_ALL,$HTTP_LANG); # set LC_ALL to de_DE
bindtextdomain('messages',LANGDIR);
bind_textdomain_codeset('messages','UTF-8');
textdomain('messages');
header('Content-type: text/html; charset=UTF-8',true);
break;
}
}
}
} else {
# Grab the language file configured in config.php
if ($language != null) {
if (strcmp($language,'english') == 0)
$language = 'en_GB';
$language_file = LANGDIR.$language;
# Set language
putenv('LANG='.$language); # e.g. LANG=de_DE
$language .= '.UTF-8';
setlocale(LC_ALL,$language); # set LC_ALL to de_DE
bindtextdomain('messages',LANGDIR);
bind_textdomain_codeset('messages','UTF-8');
textdomain('messages');
header('Content-type: text/html; charset=UTF-8', true);
}
}
# If config.php doesn't create the templates array, create it here.
if (! isset($templates) || ! is_array($templates))
$templates = array();
# Always including the 'custom' template (the most generic and flexible)
$templates['custom'] =
array('desc' => 'Custom',
'icon' => 'images/object.png',
'handler' => 'custom.php');
/*
* Strip slashes from GET, POST, and COOKIE variables if this
* PHP install is configured to automatically addslashes()
*/
if (get_magic_quotes_gpc() && (! isset($slashes_stripped) || ! $slashes_stripped)) {
array_stripslashes($_REQUEST);
array_stripslashes($_GET);
array_stripslashes($_POST);
array_stripslashes($_COOKIE);
$slashes_stripped = true;
}
/*
* Update $_SESSION['activity']
* for timeout and automatic logout feature
*/
if (isset($_REQUEST['server_id'])) {
$ldapserver = $ldapservers->Instance($_REQUEST['server_id']);
if ($ldapserver->haveAuthInfo())
set_lastactivity($ldapserver);
}
/**
* Timer stopwatch, used to instrument PLA
*/
function stopwatch() {
static $mt_previous = 0;
list($usec, $sec) = explode(' ',microtime());
$mt_current = (float)$usec + (float)$sec;
if (! $mt_previous) {
$mt_previous = $mt_current;
return 0;
} else {
$mt_diff = ($mt_current - $mt_previous);
$mt_previous = $mt_current;
return sprintf('%.5f',$mt_diff);
}
}
/**
* This function will convert the browser two character language into the
* default 5 character language, where the country portion should NOT be
* assumed to be upper case characters of the first two characters.
*/
function auto_lang($lang) {
switch ($lang) {
case 'ja': return 'ja_JP';
default: return sprintf('%s_%s',$lang,strtoupper($lang));
}
}
?>