From 1b60121eeb2a195ffccb883a652aa3a1a581e08f Mon Sep 17 00:00:00 2001
From: Olav Morken <olav.morken@uninett.no>
Date: Mon, 15 Sep 2008 13:53:38 +0000
Subject: [PATCH] Add beginning of a metadata aggregation service.
git-svn-id: https://simplesamlphp.googlecode.com/svn/trunk@876 44740490-163a-0410-bde0-09ae8108e29a
---
.../aggregator/config-template/aggregator.php | 17 +++
modules/aggregator/default-disable | 0
modules/aggregator/www/index.php | 117 ++++++++++++++++++
3 files changed, 134 insertions(+)
create mode 100644 modules/aggregator/config-template/aggregator.php
create mode 100644 modules/aggregator/default-disable
create mode 100644 modules/aggregator/www/index.php
diff --git a/modules/aggregator/config-template/aggregator.php b/modules/aggregator/config-template/aggregator.php
new file mode 100644
index 000000000..ff5e4bf5e
--- /dev/null
+++ b/modules/aggregator/config-template/aggregator.php
@@ -0,0 +1,17 @@
+<?php
+
+/* Configuration for the aggregator module. */
+$config = array(
+
+ /* List of aggregators. */
+ 'aggragators' => array(
+ 'example' => array(
+ array('type' => 'flatfile'), /* Metadata from metadata-directory. */
+ array('type' => 'xml', 'url' => 'https://idp.example.org/Metadata'),
+ array('type' => 'xml', 'file' => 'static-metadata.xml'),
+ ),
+ ),
+
+);
+
+?>
\ No newline at end of file
diff --git a/modules/aggregator/default-disable b/modules/aggregator/default-disable
new file mode 100644
index 000000000..e69de29bb
diff --git a/modules/aggregator/www/index.php b/modules/aggregator/www/index.php
new file mode 100644
index 000000000..92434d3e4
--- /dev/null
+++ b/modules/aggregator/www/index.php
@@ -0,0 +1,117 @@
+<?php
+
+/* Types of metadata. */
+$metadataSets = array(
+ 'saml20-idp-remote',
+ 'saml20-sp-remote',
+ 'shib13-idp-remote',
+ 'shib13-sp-remote',
+ );
+
+$globalConfig = SimpleSAML_Configuration::getInstance();
+$aggregatorConfig = $globalConfig->copyFromBase('aggregator', 'aggregator.php');
+
+$aggregators = $aggregatorConfig->getArray('aggragators');
+
+if (!array_key_exists('id', $_GET)) {
+ /* TODO: Show list. */
+ echo('TODO: Show list');
+ exit;
+}
+
+$id = $_GET['id'];
+if (!array_key_exists($id, $aggregators)) {
+ throw new SimpleSAML_Error_NotFound('No aggregator with id ' . var_export($id, TRUE) . ' found.');
+}
+
+
+/* Parse metadata sources. */
+$sources = $aggregators[$id];
+if (!is_array($sources)) {
+ throw new Exception('Invalid aggregator source configuration for aggregator ' .
+ var_export($id, TRUE) . ': Aggregator wasn\'t an array.');
+};
+
+try {
+ $sources = SimpleSAML_Metadata_MetaDataStorageSource::parseSources($sources);
+} catch (Exception $e) {
+ throw new Exception('Invalid aggregator source configuration for aggregator ' .
+ var_export($id, TRUE) . ': ' . $e->getMessage());
+}
+
+/* Find list of all available entities. */
+$entities = array();
+foreach ($sources as $source) {
+ foreach ($metadataSets as $set) {
+ foreach ($source->getMetadataSet($set) as $entityId => $metadata) {
+ if (!array_key_exists($entityId, $entities)) {
+ $entities[$entityId] = array();
+ }
+
+ if (array_key_exists($set, $entities[$entityId])) {
+ /* Entity already has metadata for the given set. */
+ continue;
+ }
+
+ $entities[$entityId][$set] = $metadata;
+ }
+ }
+}
+
+$xml = new DOMDocument();
+$entitiesDescriptor = $xml->createElementNS('urn:oasis:names:tc:SAML:2.0:metadata', 'EntitiesDescriptor');
+$xml->appendChild($entitiesDescriptor);
+
+/* Build EntityDescriptor elements for them. */
+foreach ($entities as $entity => $sets) {
+
+ $entityDescriptor = NULL;
+ foreach ($sets as $set => $metadata) {
+ if (!array_key_exists('entityDescriptor', $metadata)) {
+ /* One of the sets doesn't contain an EntityDescriptor element. */
+ $entityDescriptor = FALSE;
+ break;
+ }
+
+ if ($entityDescriptor == NULL) {
+ /* First EntityDescriptor elements. */
+ $entityDescriptor = $metadata['entityDescriptor'];
+ continue;
+ }
+
+ assert('is_string($entityDescriptor)');
+ if ($entityDescriptor !== $metadata['entityDescriptor']) {
+ /* Entity contains multiple different EntityDescriptor elements. */
+ $entityDescriptor = FALSE;
+ break;
+ }
+ }
+
+ if (is_string($entityDescriptor)) {
+ /* All metadata sets for the entity contain the same entity descriptor. Use that one. */
+ $tmp = new DOMDocument();
+ $tmp->loadXML(base64_decode($entityDescriptor));
+ $entityDescriptor = $tmp->documentElement;
+ } else {
+ $tmp = new SimpleSAML_Metadata_SAMLBuilder($entity);
+ foreach ($sets as $set => $metadata) {
+ $tmp->addMetadata($set, $metadata);
+ }
+ $entityDescriptor = $tmp->getEntityDescriptor();
+ }
+
+ $entitiesDescriptor->appendChild($xml->importNode($entityDescriptor, TRUE));
+}
+
+/* Show the metadata. */
+if(array_key_exists('mimetype', $_GET)) {
+ $mimeType = $_GET['mimetype'];
+} else {
+ $mimeType = 'application/samlmetadata+xml';
+}
+header('Content-Type: ' . $mimeType);
+
+echo($xml->saveXML());
+
+
+?>
\ No newline at end of file
--
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