/**
* This is a development version so in order to track programmer mistakes we
* set the error reporting to E_ALL
+FIXME: disabling this for now, because we now have $sm_debug_mode, but the problem with that is that we don't know what it will be until we have loaded the config file, a good 175 lines below after several important files have been included, etc. For now, we'll trust that developers have turned on E_ALL in php.ini anyway, but this can be uncommented if not.
*/
-error_reporting(E_ALL);
+//error_reporting(E_ALL);
+
+
+
+/**
+ * Make sure we have a page name
+ *
+ */
+if ( !defined('PAGE_NAME') ) define('PAGE_NAME', NULL);
/**
ini_set('session.use_cookies','1');
}
+
/**
* calculate SM_PATH and calculate the base_uri
* assumptions made: init.php is only called from plugins or from the src dir.
*
*/
if (isset($_SERVER['SCRIPT_NAME'])) {
- $a = explode('/',$_SERVER['SCRIPT_NAME']);
+ $a = explode('/', $_SERVER['SCRIPT_NAME']);
} elseif (isset($HTTP_SERVER_VARS['SCRIPT_NAME'])) {
- $a = explode('/',$HTTP_SERVER_VARS['SCRIPT_NAME']);
+ $a = explode('/', $HTTP_SERVER_VARS['SCRIPT_NAME']);
} else {
- $error = 'Unable to detect script environment. '
- .'Please test your PHP settings and send PHP core config, $_SERVER '
- .'and $HTTP_SERVER_VARS to SquirrelMail developers.';
+ $error = 'Unable to detect script environment. Please test your PHP '
+ . 'settings and send your PHP core configuration, $_SERVER and '
+ . '$HTTP_SERVER_VARS contents to the SquirrelMail developers.';
die($error);
}
$sSM_PATH = '';
-for($i = count($a) -2;$i > -1; --$i) {
+for($i = count($a) -2; $i > -1; --$i) {
$sSM_PATH .= '../';
if ($a[$i] === 'src' || $a[$i] === 'plugins') {
break;
}
}
-$base_uri = implode('/',array_slice($a,0,$i)). '/';
+$base_uri = implode('/', array_slice($a, 0, $i)). '/';
define('SM_PATH',$sSM_PATH);
define('SM_BASE_URI', $base_uri);
+
+
/**
* global var $bInit is used to check if initialisation took place.
* At this moment it's a workarounf for the include of addrbook_search_html
$color[15] = '#002266'; /* (dark blue) Unselectable folders */
$color[16] = '#ff9933'; /* (orange) Highlight color */
+require(SM_PATH . 'include/constants.php');
require(SM_PATH . 'functions/global.php');
+require(SM_PATH . 'functions/strings.php');
require(SM_PATH . 'functions/arrays.php');
/* load default configuration */
require(SM_PATH . 'config/config_local.php');
}
+
+/**
+ * Set PHP error reporting level based on the SquirrelMail debug mode
+ */
+$error_level = 0;
+if ($sm_debug_mode & SM_DEBUG_MODE_SIMPLE)
+ $error_level |= E_ERROR;
+if ($sm_debug_mode & SM_DEBUG_MODE_MODERATE
+ || $sm_debug_mode & SM_DEBUG_MODE_ADVANCED)
+ $error_level |= E_ALL;
+if ($sm_debug_mode & SM_DEBUG_MODE_STRICT)
+ $error_level |= E_STRICT;
+error_reporting($error_level);
+
+
require(SM_PATH . 'functions/plugin.php');
-require(SM_PATH . 'include/constants.php');
require(SM_PATH . 'include/languages.php');
require(SM_PATH . 'class/template/Template.class.php');
require(SM_PATH . 'class/error.class.php');
}
/**
- * if session.auto_start is On then close the session
+ * When session.auto_start is On we want to destroy/close the session
*/
$sSessionAutostartName = session_name();
$sCookiePath = null;
-if ((isset($sSessionAutostartName) || $sSessionAutostartName == '') &&
- $sSessionAutostartName !== $session_name) {
+if (isset($sSessionAutostartName) && $sSessionAutostartName !== $session_name) {
$sCookiePath = ini_get('session.cookie_path');
$sCookieDomain = ini_get('session.cookie_domain');
// reset the cookie
session_set_cookie_params (0, $base_uri);
sqsession_is_active();
+/**
+ * When on login page, have to reset the user session, making
+ * sure to save session restore data first
+ */
+if (PAGE_NAME == 'login') {
+ if (!sqGetGlobalVar('session_expired_post', $sep, SQ_SESSION))
+ $sep = '';
+ if (!sqGetGlobalVar('session_expired_location', $sel, SQ_SESSION))
+ $sel = '';
+ sqsession_destroy();
+ session_write_close();
+
+ /**
+ * in some rare instances, the session seems to stick
+ * around even after destroying it (!!), so if it does,
+ * we'll manually flatten the $_SESSION data
+ */
+ if (!empty($_SESSION))
+ $_SESSION = array();
+
+ /**
+ * Allow administrators to define custom session handlers
+ * for SquirrelMail without needing to change anything in
+ * php.ini (application-level).
+ *
+ * In config_local.php, admin needs to put:
+ *
+ * $custom_session_handlers = array(
+ * 'my_open_handler',
+ * 'my_close_handler',
+ * 'my_read_handler',
+ * 'my_write_handler',
+ * 'my_destroy_handler',
+ * 'my_gc_handler',
+ * );
+ * session_module_name('user');
+ * session_set_save_handler(
+ * $custom_session_handlers[0],
+ * $custom_session_handlers[1],
+ * $custom_session_handlers[2],
+ * $custom_session_handlers[3],
+ * $custom_session_handlers[4],
+ * $custom_session_handlers[5]
+ * );
+ *
+ * We need to replicate that code once here because PHP has
+ * long had a bug that resets the session handler mechanism
+ * when the session data is also destroyed. Because of this
+ * bug, even administrators who define custom session handlers
+ * via a PHP pre-load defined in php.ini (auto_prepend_file)
+ * will still need to define the $custom_session_handlers array
+ * in config_local.php.
+ */
+ global $custom_session_handlers;
+ if (!empty($custom_session_handlers)) {
+ $open = $custom_session_handlers[0];
+ $close = $custom_session_handlers[1];
+ $read = $custom_session_handlers[2];
+ $write = $custom_session_handlers[3];
+ $destroy = $custom_session_handlers[4];
+ $gc = $custom_session_handlers[5];
+ session_module_name('user');
+ session_set_save_handler($open, $close, $read, $write, $destroy, $gc);
+ }
+
+ sqsession_is_active();
+ session_regenerate_id();
+
+ // put session restore data back into session if necessary
+ if (!empty($sel)) {
+ sqsession_register($sel, 'session_expired_location');
+ if (!empty($sep))
+ sqsession_register($sep, 'session_expired_post');
+ }
+}
+
/**
* SquirrelMail internal version number -- DO NOT CHANGE
* $sm_internal_version = array (release, major, minor)
$SQM_INTERNAL_VERSION[2] = intval($SQM_INTERNAL_VERSION[2]);
+/* load prefs system; even when user not logged in, should be OK to do this here */
+require(SM_PATH . 'functions/prefs.php');
+
+// FIXME: config/plugin_hooks.php has not yet been loaded (see a few lines below); so this hook call should I think not be working -- has anyone actually tested it? Is there any reason we cannot move this prefs code block down below "MAIN PLUGIN LOADING CODE HERE" (see below)? Reading the code, I *think* it should be OK, but.... Also, note that this code would then be placed immediately next to the config_override hook, and since it makes little sense to execute two hooks in a row, I will propose removing config_override (although sadly, it is less clear to plugin authors that they should use the prefs_backend hook to do any configuration override work in their plugin)
+$prefs_backend = do_hook('prefs_backend', $null);
+if (isset($prefs_backend) && !empty($prefs_backend) && file_exists(SM_PATH . $prefs_backend)) {
+ require(SM_PATH . $prefs_backend);
+} elseif (isset($prefs_dsn) && !empty($prefs_dsn)) {
+ require(SM_PATH . 'functions/db_prefs.php');
+} else {
+ require(SM_PATH . 'functions/file_prefs.php');
+}
+
+
/* if plugins are disabled only for one user and
* the current user is NOT that user, turn them
* back on
*
* Code can be utilized when session is started, but data is not loaded.
* We have already loaded configuration and other important vars. Can't
- * clean session globals here.
+ * clean session globals here, beside, the cleanout of globals at the
+ * top of this file will have removed anything this code would find anyway.
if ((bool) @ini_get('register_globals') &&
strtolower(ini_get('register_globals'))!='off') {
foreach ($_SESSION as $key => $value) {
$squirrelmail_language = '';
}
+
/**
- * Do something special for some pages. This is based on the PAGE_NAME constand
+ * Do something special for some pages. This is based on the PAGE_NAME constant
* set at the top of every page.
*/
-if ( !defined('PAGE_NAME') ) define('PAGE_NAME', NULL);
switch (PAGE_NAME) {
case 'style':
session_write_close();
break;
+ case 'mailto':
+ // nothing to do
+ break;
+
case 'redirect':
- /**
- * directory hashing functions are needed for all setups in case
- * plugins use own pref files.
- */
- require(SM_PATH . 'functions/prefs.php');
require(SM_PATH . 'functions/auth.php');
- /* hook loads custom prefs backend plugins */
- $prefs_backend = do_hook('prefs_backend', $null);
- if (isset($prefs_backend) && !empty($prefs_backend) && file_exists(SM_PATH . $prefs_backend)) {
- require(SM_PATH . $prefs_backend);
- } elseif (isset($prefs_dsn) && !empty($prefs_dsn)) {
- require(SM_PATH . 'functions/db_prefs.php');
- } else {
- require(SM_PATH . 'functions/file_prefs.php');
- }
//nobreak;
+
case 'login':
require(SM_PATH . 'functions/display_messages.php' );
require(SM_PATH . 'functions/page_header.php');
require(SM_PATH . 'functions/display_messages.php' );
require(SM_PATH . 'functions/page_header.php');
require(SM_PATH . 'functions/html.php');
- require(SM_PATH . 'functions/strings.php');
/**
require(SM_PATH . 'functions/auth.php');
if ( !sqsession_is_registered('user_is_logged_in') ) {
+
+ // use $message to indicate what logout text the user
+ // will see... if 0, typical "You must be logged in"
+ // if 1, information that the user session was saved
+ // and will be resumed after (re)login
+ //
+ $message = 0;
+
// First we store some information in the new session to prevent
// information-loss.
//
$session_expired_post = $_POST;
- $session_expired_location = $PHP_SELF;
+ $session_expired_location = PAGE_NAME;
if (!sqsession_is_registered('session_expired_post')) {
sqsession_register($session_expired_post,'session_expired_post');
}
if (!sqsession_is_registered('session_expired_location')) {
sqsession_register($session_expired_location,'session_expired_location');
+ if ($session_expired_location == 'compose')
+ $message = 1;
}
// signout page will deal with users who aren't logged
// in on its own; don't show error here
$oTemplate = Template::construct_template($sTemplateID);
set_up_language($squirrelmail_language, true);
- logout_error( _("You must be logged in to access this page.") );
+ if (!$message)
+ logout_error( _("You must be logged in to access this page.") );
+ else
+ logout_error( _("Your session has expired, but will be resumed after logging in again.") );
exit;
}
-//FIXME: remove next line if the placement of the copy of this line above does not prove to be problematic
- sqgetGlobalVar('username',$username,SQ_SESSION);
sqgetGlobalVar('authz',$authz,SQ_SESSION);
/**
$prefs_cache = false; //array();
}
- /* see 'redirect' case */
- require(SM_PATH . 'functions/prefs.php');
-
- $prefs_backend = do_hook('prefs_backend', $null);
- if (isset($prefs_backend) && !empty($prefs_backend) && file_exists(SM_PATH . $prefs_backend)) {
- require(SM_PATH . $prefs_backend);
- } elseif (isset($prefs_dsn) && !empty($prefs_dsn)) {
- require(SM_PATH . 'functions/db_prefs.php');
- } else {
- require(SM_PATH . 'functions/file_prefs.php');
- }
-
/**
* initializing user settings
*/
// Japanese translation used without mbstring support
if ($err==2) {
- $sError =
- "<p>You need to have PHP installed with the multibyte string function \n".
- "enabled (using configure option --enable-mbstring).</p>\n".
- "<p>System assumed that you accidently switched to Japanese translation \n".
- "and reverted your language preference to English.</p>\n".
- "<p>Please refresh this page in order to use webmail.</p>\n";
+ $sError = "<p>Your administrator needs to have PHP installed with the multibyte string extension enabled (using configure option --enable-mbstring).</p>\n"
+ . "<p>This system has assumed that you accidently switched to Japanese and has reverted your language preference to English.</p>\n"
+ . "<p>Please refresh this page in order to continue using your webmail.</p>\n";
error_box($sError);
}
}
// We want some variables to always be available to the template
+//
$oTemplate->assign('javascript_on',
(sqGetGlobalVar('user_is_logged_in', $user_is_logged_in, SQ_SESSION)
? checkForJavascript() : 0));
$oTemplate->assign($var, (isset($$var) ? $$var : NULL));
}
+// A few output elements are used often, so just get them once here
+//
+$nbsp = $oTemplate->fetch('non_breaking_space.tpl');
+$br = $oTemplate->fetch('line_break.tpl');
+
/**
* Initialize our custom error handler object
*/
$oldErrorHandler = set_error_handler('SquirrelMailErrorhandler');
}
+
+// ============================================================================
+// ================= End of Live Code, Beginning of Functions =================
+// ============================================================================
+
+
/**
* Javascript support detection function
* @param boolean $reset recheck javascript support if set to true.
return $javascript_on;
$user_is_logged_in = FALSE;
- if ( ( $reset || !isset($javascript_setting) )
- // getPref() not defined (nor is it meaningful) when user not
- // logged in, but that begs the question if $javascript_on is
- // not in the session in that case, where do we get it from?
- && ( sqGetGlobalVar('user_is_logged_in', $user_is_logged_in, SQ_SESSION)
- && $user_is_logged_in) )
+ if ( $reset || !isset($javascript_setting) )
$javascript_setting = getPref($data_dir, $username, 'javascript_setting', SMPREF_JS_AUTODETECT);
if ( !sqGetGlobalVar('new_js_autodetect_results', $js_autodetect_results) &&
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