X-Git-Url: https://git.mxchange.org/?p=mailer.git;a=blobdiff_plain;f=inc%2Fsession-functions.php;h=5421c1f013a55d2512f3c137b3675a4d17e51bb4;hp=7bfb18c901742d31e4ddaf75580f42f3581bfdb3;hb=a00ad7dd8c36a5322e28f38d8d641efb90c00c92;hpb=c4823d28fd0bd22250b16d73f2034f36fc54abda

diff --git a/inc/session-functions.php b/inc/session-functions.php
index 7bfb18c901..5421c1f013 100644
--- a/inc/session-functions.php
+++ b/inc/session-functions.php
@@ -16,8 +16,8 @@
  * $Author::                                                          $ *
  * -------------------------------------------------------------------- *
  * Copyright (c) 2003 - 2009 by Roland Haeder                           *
- * Copyright (c) 2009 - 2011 by Mailer Developer Team                   *
- * For more information visit: http://www.mxchange.org                  *
+ * Copyright (c) 2009 - 2013 by Mailer Developer Team                   *
+ * For more information visit: http://mxchange.org                      *
  *                                                                      *
  * This program is free software; you can redistribute it and/or modify *
  * it under the terms of the GNU General Public License as published by *
@@ -38,66 +38,69 @@
 // Some security stuff...
 if (!defined('__SECURITY')) {
 	die();
-}
+} // END - if
 
 // Unset/set session variables
 function setSession ($var, $value) {
 	// Abort in CSS mode here
-	if (isCssOutputMode()) return true;
+	if (isCssOutputMode()) {
+		return TRUE;
+	} // END - if
 
 	// Trim value and session variable
-	$var = trim(secureString($var)); $value = trim($value);
+	$var   = trim(secureString($var));
+	$value = trim($value);
 
 	// Is the session variable set?
 	if (('' . $value . '' == '') && (isSessionVariableSet($var))) {
 		// Remove the session
 		//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'UNSET:' . $var . '=' . getSession($var));
 		unset($GLOBALS['_SESSION'][$var]);
-		if (phpversion() >= '5.3.1') {
-			// session_unregister() is deprecated as of 5.3.1
-			return true;
+		if (isPhpVersionEqualNewer('5.3.0')) {
+			// session_unregister() is deprecated as of 5.3.0
+			return TRUE;
 		} else {
-			// PHP version < 5.3.1
+			// PHP version < 5.3.0
 			return session_unregister($var);
 		}
 	} elseif (('' . $value . '' != '') && (!isSessionVariableSet($var))) {
 		// Set session
 		//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'SET:' . $var . '=' . $value);
-		$GLOBALS['_SESSION'][$var] =  $value;
-		if (phpversion() >= '5.3.1') {
-			// session_unregister() is deprecated as of 5.3.1
-			return true;
+		$GLOBALS['_SESSION'][$var] = $value;
+		if (isPhpVersionEqualNewer('5.3.0')) {
+			// session_unregister() is deprecated as of 5.3.0
+			return TRUE;
 		} else {
-			// PHP version < 5.3.1
+			// PHP version < 5.3.0
 			return session_register($var);
 		}
 	} elseif (!empty($value)) {
 		// Update session
 		//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'UPDATE:' . $var . '=' . $value);
 		$GLOBALS['_SESSION'][$var] = $value;
-		return true;
+		return TRUE;
 	}
 
 	// Ignored (but valid)
 	//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'IGNORED:' . $var . '=' . $value);
-	return true;
+	return TRUE;
 }
 
-// Check wether a session variable is set
+// Check whether a session variable is set
 function isSessionVariableSet ($var) {
-	//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, "var={$var}");
+	// Warning: DO NOT call logDebugMessage() from here, this will cause an endless loop
 	return (isset($GLOBALS['_SESSION'][$var]));
 }
 
-// Returns wether the value of the session variable or NULL if not set
+// Returns whether the value of the session variable or NULL if not set
 function getSession ($var) {
 	// Default is not found ;-)
-	$value = null;
+	$value = NULL;
 
 	// Is the variable there?
 	if (isSessionVariableSet($var)) {
 		// Then  get it secured!
-		$value = SQL_ESCAPE($GLOBALS['_SESSION'][$var]);
+		$value = sqlEscapeString($GLOBALS['_SESSION'][$var]);
 	} // END - if
 
 	// Return the value
@@ -105,29 +108,79 @@ function getSession ($var) {
 	return $value;
 }
 
+// Get whole session array
+function getSessionArray () {
+	// Simply return it
+	return $GLOBALS['_SESSION'];
+}
+
 // Destroy user session
-function destroyMemberSession () {
+function destroyMemberSession ($destroy = FALSE) {
 	// Reset userid
 	initMemberId();
 
 	// Remove all user data from session
-	return ((setSession('userid', '')) && (setSession('u_hash', '')));
+	if ($destroy === TRUE) {
+		// Destroy whole session
+		return destroySession();
+	} else {
+		return ((setSession('userid', '')) && (setSession('u_hash', '')));
+	}
 }
 
 // Destroys the admin session
-function destroyAdminSession ($destroy = true) {
+function destroyAdminSession ($destroy = FALSE) {
 	// Kill maybe existing session variables including array elements
 	setAdminId(0);
 	setAdminMd5('');
-	setAdminLast('');
+	setAdminLast(0);
+
+	// Set cache to FALSE
+	$GLOBALS['isAdmin'] = FALSE;
 
 	// Destroy session if requested and return status
-	if ($destroy === true) {
-		return session_destroy();
+	if ($destroy === TRUE) {
+		return destroySession();
+	} // END - if
+
+	// All fine if the session shall not really be destroyed
+	return TRUE;
+}
+
+// Destroys session and resets some "caches"
+function destroySession () {
+	// Unset "cache"
+	unset($GLOBALS['isValidSession']);
+
+	// Destroy session
+	return session_destroy();
+}
+
+// Checks whether the session is valid
+function isValidSession () {
+	// Is there cache?
+	if (!isset($GLOBALS[__FUNCTION__])) {
+		// Then determine it
+		$GLOBALS[__FUNCTION__] = ((isset($GLOBALS['valid_session'])) && ($GLOBALS['valid_session'] === TRUE) && (isset($_COOKIE[session_name()])));
 	} // END - if
 
-	// All fine if we shall not really destroy the session
-	return true;
+	// Return cache
+	return $GLOBALS[__FUNCTION__];
+}
+
+// Checks whether all given session data is set
+function isSessionDataSet ($sessionData) {
+	// Default is set
+	$isset = TRUE;
+
+	// Check all
+	foreach ($sessionData as $key) {
+		// Is this element set?
+		$isset = (($isset) && (isSessionVariableSet($key)));
+	} // END - foreach
+
+	// Return result
+	return $isset;
 }
 
 // [EOF]