Merge pull request #39 from pajavyskocil/getSpMetadata

Generate metadata from Perun

Author: vyskocilpavel

CHANGELOG.md

@@ -8,6 +8,7 @@ All notable changes to this project will be documented in this file.
  - Added new model Member
  - Added new model Resource
  - New methods for getting data from Perun LDAP and Perun RPC
+ - Added function for generating metadata for SimpleSAMLphp Proxy AAI from Perun
 
  [Changed]
  - Connectors methods are not static for now.

config-templates/module_perun_getMetadata.php

@@ -0,0 +1,31 @@
+<?php
+
+$config = array(
+	/**
+	 * Identifier of Proxy
+	 */
+	'proxyIdentifier' => '',
+
+	/**
+	 * Name of facility attribute Proxy Identifiers
+	 */
+	'perunProxyIdentifierAttr' => '',
+
+	/**
+	 * Name of facility attribute EntityID
+	 */
+	'perunProxyEntityIDAttr' => '',
+
+	/**
+	 * Absolute path, where the metadata will be stored
+	 */
+	'absoluteFileName' => '',
+
+	/**
+	 * List of attributes definitions
+	 */
+	'attributesDefinitions' => array(
+		// Name of attribute from perun => key which will be used in generated metadata
+		'perunAttrName' => 'metadataName',
+	),
+);

www/getSpMetadata.php

@@ -0,0 +1,116 @@
+<?php
+
+const CONFIG_FILE_NAME = 'module_perun_getMetadata.php';
+
+const PERUN_PROXY_IDENTIFIER_ATTR_NAME = 'perunProxyIdentifierAttr';
+const PERUN_PROXY_ENTITY_ID_ATTR_NAME = 'perunProxyEntityIDAttr';
+
+const PROXY_IDENTIFIER = 'proxyIdentifier';
+const ABSOLUTE_FILE_NAME = 'absoluteFileName';
+const ATTRIBUTES_DEFINITIONS = 'attributesDefinitions';
+const FACILITY_ATTRIBUTES = 'facilityAttributes';
+
+const TYPE_INTEGER = 'java.lang.Integer';
+const TYPE_BOOLEAN = 'java.lang.Boolean';
+const TYPE_STRING = 'java.lang.String';
+const TYPE_ARRAY = 'java.util.ArrayList';
+const TYPE_MAP = 'java.util.LinkedHashMap';
+
+$conf = SimpleSAML_Configuration::getConfig(CONFIG_FILE_NAME);
+
+$proxyIdentifier = $conf->getString(PROXY_IDENTIFIER);
+assert(is_null($proxyIdentifier) || empty($proxyIdentifier));
+
+$attributesDefinitions = $conf->getArray(ATTRIBUTES_DEFINITIONS);
+assert(is_null($attributesDefinitions) || is_array($attributesDefinitions));
+
+$perunProxyIdentifierAttr = $conf->getString(PERUN_PROXY_IDENTIFIER_ATTR_NAME);
+$perunProxyEntityIDAttr = $conf->getString(PERUN_PROXY_ENTITY_ID_ATTR_NAME);
+assert(is_null($perunProxyEntityIDAttr) || empty($perunProxyEntityIDAttr) || is_null($perunProxyIdentifierAttr) || empty($perunProxyIdentifierAttr));
+
+$absoluteFileName = $conf->getString(ABSOLUTE_FILE_NAME);
+assert(is_null($absoluteFileName) || empty($absoluteFileName));
+
+
+$rpcAdapter = new sspmod_perun_AdapterRpc();
+
+// Get list of all attribute names
+$attrNames = array();
+$allAttrNames = array();
+array_push($allAttrNames, $perunProxyEntityIDAttr);
+foreach ($attributesDefinitions as $key => $value) {
+	array_push($attrNames, $key);
+	array_push($allAttrNames, $key);
+}
+
+// Get all facilities with proxyIdentifiers
+$attributeDefinition = array();
+$attributeDefinition[$perunProxyIdentifierAttr] = $proxyIdentifier;
+$facilities = $rpcAdapter->searchFacilitiesByAttributeValue($attributeDefinition);
+
+// Get facilities with attributes
+$facilitiesWithAttributes = array();
+foreach ($facilities as $facility) {
+	$attributes = $rpcAdapter->getFacilityAttributes($facility, $allAttrNames);
+	$facilityAttributes = array();
+	foreach ($attributes as $attribute) {
+		$facilityAttributes[$attribute['name']] = $attribute;
+	}
+	$facilitiesWithAttributes[$facility->getId()] = array(
+		'facility' => $facility,
+		FACILITY_ATTRIBUTES=> $facilityAttributes,
+	);
+}
+
+// Generate array with metadata
+$content = '<?php' . PHP_EOL;
+foreach ($facilitiesWithAttributes as $facilityWithAttributes) {
+	$metadataContent = '';
+	if (isset($facilityWithAttributes[FACILITY_ATTRIBUTES][$perunProxyEntityIDAttr]) && !empty($facilityWithAttributes[FACILITY_ATTRIBUTES][$perunProxyEntityIDAttr]['value'])) {
+		$metadataContent .= '$metadata[\'' . $facilityWithAttributes[FACILITY_ATTRIBUTES][$perunProxyEntityIDAttr]['value'] .  '\'] = array(' . PHP_EOL;
+		foreach ($attributesDefinitions as $perunAttrName => $metadataAttrName) {
+			$attribute = $facilityWithAttributes[FACILITY_ATTRIBUTES][$perunAttrName];
+			if (($attribute['type'] === TYPE_INTEGER ) && is_numeric($attribute['value']) && !is_null($attribute['value'])) {
+				$metadataContent .= "\t '" . $metadataAttrName . "' => " . $attribute['value'] . "," . PHP_EOL ;
+			} elseif (($attribute['type'] === TYPE_STRING) && !is_null($attribute['value'])) {
+				$metadataContent .= "\t '" . $metadataAttrName . "' => '" . $attribute['value'] . "'," . PHP_EOL ;
+			} elseif ($attribute['type'] === TYPE_BOOLEAN) {
+				$metadataContent .= "\t '" . $metadataAttrName . "' => " ;
+				if (is_null($attribute['value']) || $attribute['value'] === 'false') {
+					$metadataContent .= "false," . PHP_EOL;
+				} else {
+					$metadataContent .= "true," . PHP_EOL;
+				}
+			} elseif ($attribute['type'] === TYPE_ARRAY && !is_null($attribute['value'])) {
+				$metadataContent .= "\t '" . $metadataAttrName . "' => array(" . PHP_EOL;
+				foreach ($attribute['value'] as $value) {
+					$metadataContent .= "\t\t'" . $value . "'," . PHP_EOL;
+				}
+				$metadataContent .= "\t)," . PHP_EOL;
+			} elseif ($attribute['type'] === TYPE_MAP && !is_null($attribute['value'])) {
+				$metadataContent .= "\t '" . $metadataAttrName . "' => array(" . PHP_EOL;
+				foreach ($attribute['value'] as $key => $value) {
+					$metadataContent .= "\t\t'" . $key  . "' => '" . $value . "'," . PHP_EOL;
+				}
+				$metadataContent .= "\t)," . PHP_EOL;
+			}
+		}
+		$metadataContent .= ");" . PHP_EOL . "\n";
+	}
+	$content .= $metadataContent;
+
+}
+
+file_put_contents($absoluteFileName, $content,LOCK_EX);
+
+if (file_exists($absoluteFileName)) {
+	header('Content-Description: File Transfer');
+	header('Content-Type: application/octet-stream');
+	header('Content-Disposition: attachment; filename="' . basename($absoluteFileName) . '"');
+	header('Expires: 0');
+	header('Cache-Control: must-revalidate');
+	header('Pragma: public');
+	header('Content-Length: ' . filesize($absoluteFileName));
+	readfile($absoluteFileName);
+	exit;
+}