adding abstract storagehandler. Just copied the old metadata file

git-svn-id: https://simplesamlphp.googlecode.com/svn/trunk@136 44740490-163a-0410-bde0-09ae8108e29a

lib/SimpleSAML/Metadata/MetaDataStorageHandler.php

+<?php
+
+
+/**
+ * SimpleSAMLphp
+ *
+ * PHP versions 4 and 5
+ *
+ * LICENSE: See the COPYING file included in this distribution.
+ *
+ * @author Andreas kre Solberg, UNINETT AS. <andreas.solberg@uninett.no>
+ */
+
+require_once('SimpleSAML/Configuration.php');
+require_once('SimpleSAML/Utilities.php');
+
+/**
+ * Configuration of SimpleSAMLphp
+ */
+class SimpleSAML_XML_MetaDataStore {
+
+	private $configuration = null;
+	private $metadata = null;
+	private $hostmap = null;
+
+	function __construct(SimpleSAML_Configuration $configuration) {
+		$this->configuration = $configuration;
+	}
+
+	public function load($set) {
+		$metadata = null;
+		if (!in_array($set, array(
+			'saml20-sp-hosted', 'saml20-sp-remote','saml20-idp-hosted', 'saml20-idp-remote',
+			'shib13-sp-hosted', 'shib13-sp-remote', 'shib13-idp-hosted', 'shib13-idp-remote',
+			'openid-provider'))) {
+				throw new Exception('Trying to load illegal set of Meta data [' . $set . ']');
+		}
+		
+		$metadatasetfile = $this->configuration->getBaseDir() . '/' . 
+			$this->configuration->getValue('metadatadir') . '/' . $set . '.php';
+		
+		
+		if (!file_exists($metadatasetfile)) {
+			throw new Exception('Could not open file: ' . $metadatasetfile);
+		}
+		include($metadatasetfile);
+		
+		if (!is_array($metadata)) {
+			throw new Exception('Could not load metadata set [' . $set . '] from file: ' . $metadatasetfile);
+		}
+		foreach ($metadata AS $key => $entry) { 
+			$this->metadata[$set][$key] = $entry;
+			$this->metadata[$set][$key]['entityid'] = $key;
+			
+			if (isset($entry['host'])) {
+				$this->hostmap[$set][$entry['host']] = $key;
+			}
+			
+		}
+		/*
+		echo '<pre>';
+		print_r();
+		echo '</pre>';
+		*/
+	}
+
+	public function getMetaDataCurrentEntityID($set = 'saml20-sp-hosted') {
+	
+		if (!isset($this->metadata[$set])) {
+			$this->load($set);
+		}
+		$currenthost = $_SERVER['HTTP_HOST'];
+		
+		if(strstr($currenthost, ":")) {
+				$currenthostdecomposed = explode(":", $currenthost);
+				$currenthost = $currenthostdecomposed[0];
+		}
+		
+		if (!isset($this->hostmap[$set])) {
+			throw new Exception('No default entities defined for metadata set [' . $set . '] (host:' . $currenthost. ')');
+		}
+		if (!isset($currenthost)) {
+			throw new Exception('Could not get HTTP_HOST, in order to resolve default entity ID');
+		}
+		if (!isset($this->hostmap[$set][$currenthost])) {
+			throw new Exception('Could not find any default metadata entities in set [' . $set . '] for host [' . $currenthost . ']');
+		}
+		if (!$this->hostmap[$set][$currenthost]) throw new Exception('Could not find default metadata for current host');
+		return $this->hostmap[$set][$currenthost];
+	}
+
+	public function getMetaDataCurrent($set = 'saml20-sp-hosted') {
+		return $this->getMetaData($this->getMetaDataCurrentEntityID($set), $set);
+	}
+	
+	public function getMetaData($entityid = null, $set = 'saml20-sp-hosted') {
+		if (!isset($entityid)) {
+			return $this->getMetaDataCurrent($set);
+		}
+		
+		//echo 'find metadata for entityid [' . $entityid . '] in metadata set [' . $set . ']';
+		
+		if (!isset($this->metadata[$set])) {
+			$this->load($set);
+		}
+		if (!isset($this->metadata[$set][$entityid]) ) {
+			throw new Exception('Could not find metadata for entityid [' . $entityid . '] in metadata set [' . $set . ']');
+		}
+		return $this->metadata[$set][$entityid];
+	}
+	
+	public function getList($set = 'saml20-idp-remote') {
+		if (!isset($this->metadata[$set])) {
+			$this->load($set);
+		}
+		return $this->metadata[$set];
+	}
+	
+	
+	
+	public function getGenerated($property, $set = 'saml20-sp-hosted') {
+		
+		$baseurl = SimpleSAML_Utilities::selfURLhost() . '/' . $this->configuration->getValue('baseurlpath');
+		
+		
+		if ($set == 'saml20-sp-hosted') {
+			switch ($property) {				
+				case 'AssertionConsumerService' : 
+					return $baseurl . 'saml2/sp/AssertionConsumerService.php';
+
+				case 'SingleLogoutService' : 
+					return $baseurl . 'saml2/sp/SingleLogoutService.php';					
+			}
+		} elseif($set == 'saml20-idp-hosted') {
+			switch ($property) {				
+				case 'SingleSignOnService' : 
+					return $baseurl . 'saml2/idp/SSOService.php';
+
+				case 'SingleLogoutService' : 
+					return $baseurl . 'saml2/idp/SingleLogoutService.php';					
+			}
+		} elseif($set == 'shib13-sp-hosted') {
+			switch ($property) {				
+				case 'AssertionConsumerService' : 
+					return $baseurl . 'shib13/sp/AssertionConsumerService.php';
+			}
+		} elseif($set == 'shib13-idp-hosted') {
+			switch ($property) {				
+				case 'SingleSignOnService' : 
+					return $baseurl . 'shib13/idp/SSOService.php';			
+			}
+		} elseif($set == 'openid-provider') {
+			switch ($property) {				
+				case 'server' : 
+					return $baseurl . 'openid/provider/server.php';			
+			}
+		}
+		
+		throw new Exception('Could not generate metadata property ' . $property . ' for set ' . $set . '.');
+	}
+	
+	
+	
+}
+
+?>
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