--- a/busui/owa/modules/base/classes/state.php
+++ b/busui/owa/modules/base/classes/state.php
@@ -1,1 +1,281 @@
-
+<?php 
+
+//
+// Open Web Analytics - An Open Source Web Analytics Framework
+//
+// Copyright 2008 Peter Adams. All rights reserved.
+//
+// Licensed under GPL v2.0 http://www.gnu.org/copyleft/gpl.html
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+// $Id$
+//
+
+/**
+ * Service User Class
+ * 
+ * @author      Peter Adams <peter@openwebanalytics.com>
+ * @copyright   Copyright &copy; 2008 Peter Adams <peter@openwebanalytics.com>
+ * @license     http://www.gnu.org/copyleft/gpl.html GPL v2.0
+ * @category    owa
+ * @package     owa
+ * @version		$Revision$	      
+ * @since		owa 1.0.0
+ */
+
+
+class owa_state {
+
+	var $stores = array();
+	var $stores_meta = array();
+	var $is_dirty;
+	var $dirty_stores;
+	var $default_store_type = 'cookie';
+	var $stores_with_cdh = array('c','v','s');
+	var $store_formats = array ('v' => 'assoc', 's' => 'assoc');
+	var $initial_state = array();
+	
+	function __construct() {
+	
+	}
+	
+	function __destruct() {
+	
+		$this->persistState();
+	}
+		
+	function persistState() {
+	
+		return false;
+	
+	}
+	
+	function get($store, $name = '') {
+		owa_coreAPI::debug("Getting state - store: ".$store.' key: '.$name);
+		
+		if ( ! isset($this->stores[$store] ) ) {
+			$this->loadState($store);
+		}
+		
+		if (array_key_exists($store, $this->stores)) {
+		
+			if (!empty($name)) {
+				// check to ensure this is an array, could be a string.
+				if (is_array($this->stores[$store]) && array_key_exists($name, $this->stores[$store])) {	
+						
+					return $this->stores[$store][$name];
+				} else {
+					return false;
+				}
+			} else {
+
+				return $this->stores[$store];
+			}
+		} else {
+			
+			return false;
+		}
+	}
+	
+	function setState($store, $name = '', $value, $store_type = '', $is_perminent = false) {
+	
+		owa_coreAPI::debug(sprintf('populating state for store: %s, name: %s, value: %s, store type: %s, is_perm: %s', $store, $name, print_r($value, true), $store_type, $is_perminent));
+		
+		// first call to set for a store sets the meta
+		if (!array_key_exists($store, $this->stores)) {
+		
+			if (empty($store_type)) {
+				$store_type = $this->default_store_type;
+			}
+			
+			$this->stores_meta[$store]['type'] = $store_type;
+			
+			if ($is_perminent === true) {
+				$this->stores_meta[$store]['is_perminent'] = true;
+			}
+			
+		}
+		
+		// set values
+		if (empty($name)) {
+			$this->stores[$store] = $value;
+			//owa_coreAPI::debug(print_r($this->stores, true));
+		} else {
+			//just in case the store was set first as a string instead of as an array.
+			if ( array_key_exists($store, $this->stores)) {
+			
+				if ( ! is_array( $this->stores[$store] ) ) {
+					$new_store = array();
+					// check to see if we need ot ad a cdh
+					if ( $this->isCdhRequired($store) ) {
+						$new_store['cdh'] = $this->getCookieDomainHash();
+					}
+					
+					$new_store[$name] = $value;
+					$this->stores[$store] = $new_store;
+				
+				} else {
+					$this->stores[$store][$name] = $value;	
+				}
+			// if the store does not exist then	maybe add a cdh and the value
+			} else {
+			
+				if ( $this->isCdhRequired($store) ) {
+					$this->stores[$store]['cdh'] = $this->getCookieDomainHash();
+				}
+				
+				$this->stores[$store][$name] = $value;
+			}
+			
+		}
+		
+		$this->dirty_stores[] = $store;
+		//owa_coreAPI::debug(print_r($this->stores, true));
+	}
+	
+	function isCdhRequired($store_name) {
+		
+		return in_array( $store_name, $this->stores_with_cdh );
+	}
+
+	function set($store, $name = '', $value, $store_type = '', $is_perminent = false) {
+	
+		if ( ! isset($this->stores[$store] ) ) {
+			$this->loadState($store);
+		}
+		
+		$this->setState($store, $name, $value, $store_type, $is_perminent);
+		
+		// persist immeadiately if the store type is cookie
+		if ($this->stores_meta[$store]['type'] === 'cookie') {
+			
+			$time = 0;
+			
+			// needed? i dont think so.
+			if (isset($this->stores_meta[$store]['is_perminent']) && $this->stores_meta[$store]['is_perminent'] === true) {
+				$time = $this->getPermExpiration();
+			} elseif (isset($this->stores_meta[$store]['is_perminent']) && $this->stores_meta[$store]['is_perminent'] > 0) {
+				$time = $this->stores_meta[$store]['is_perminent'] * 3600 * 24;
+			}
+			
+			if ($is_perminent === true) {
+				$time = $this->getPermExpiration();
+			}
+			
+			// transform state array into a string using proper format
+			if ( is_array( $this->stores[$store] ) ) {
+				
+				// check for old style assoc format
+				if (isset($this->store_formats[$store]) && $this->store_formats[$store] === 'assoc') {
+					$cookie_value = owa_lib::implode_assoc('=>', '|||', $this->stores[$store] );
+				} else {
+					$cookie_value = json_encode( $this->stores[$store] );
+				}
+			}
+			
+			
+			owa_coreAPI::createCookie($store, $this->stores[$store], $time, "/", owa_coreAPI::getSetting('base', 'cookie_domain'));
+		}	
+	}
+	
+	function setInitialState($store, $value, $store_type) {
+		
+		if ($value) {
+			$this->initial_state[$store] = $value;
+		}
+	}
+	
+	function loadState($store, $name = '', $value = '', $store_type = 'cookie') {
+	
+		if ( ! $value && isset( $this->initial_state[$store] ) ) {
+			$value = $this->initial_state[$store];
+		} else {
+			return;
+		}
+	
+		// check format of value
+		if (strpos($value, "|||")) {
+			$value = owa_lib::assocFromString($value);
+		} else if (strpos($value, '{')) {
+			$value = json_decode($value);
+		} else {
+			$value = $value;
+		}
+		
+		if ( in_array( $store, $this->stores_with_cdh ) ) {
+			
+			if ( is_array( $value ) && isset( $value['cdh'] ) ) {
+				
+				$runtime_cdh = $this->getCookieDomainHash();
+				$cdh_from_state = $value['cdh'];
+				
+				// return as the cdh's do not match
+				if ( $cdh_from_state != $runtime_cdh ) {
+					// cookie domains do not match so we need to delete the cookie in the offending domain
+					// which is always likely to be a sub.domain.com and thus HTTP_HOST.
+					// if ccokie is not deleted then new cookies set on .domain.com will never be seen by PHP
+					// as only the sub domain cookies are available.
+					owa_coreAPI::debug("Not loading state store: $store. Domain hashes do not match - runtime: $runtime_cdh, cookie: $cdh_from_state");
+					owa_coreAPI::debug("deleting cookie: owa_$store");
+					owa_coreAPI::deleteCookie($store,'/', $_SERVER['HTTP_HOST']);
+					unset($this->initial_state[$store]);
+					return;
+				}
+			} else {
+				
+				owa_coreAPI::debug("Not loading state store: $store. No domain hash found.");
+				return;
+				
+			}
+		}
+	
+		return $this->setState($store, $name, $value, $store_type);
+		
+	}
+		
+	function clear($store) {
+	
+		if ( ! isset($this->stores[$store] ) ) {
+			$this->loadState($store);
+		}
+		
+		if (array_key_exists($store, $this->stores)) {
+			
+			unset($this->stores[$store]);
+			
+			if ($this->stores_meta[$store]['type'] === 'cookie') {
+			
+				return owa_coreAPI::deleteCookie($store);	
+			}	
+		}		
+	}
+	
+	function getPermExpiration() {
+	
+		$time = time()+3600*24*365*15;
+		return $time;
+	}
+	
+	function addStores($array) {
+		
+		$this->stores = array_merge($this->stores, $array);
+		return;
+	}
+	
+	function getCookieDomainHash($domain = '') {
+		
+		if ( ! $domain ) {
+			$domain = owa_coreAPI::getSetting( 'base', 'cookie_domain' );
+		}
+		
+		return owa_lib::crc32AsHex($domain);
+	}
+}
+
+
+?>