From 2ab141787cbbc4627ae08cbb3b9935bdaebb12c2 Mon Sep 17 00:00:00 2001
From: Olav Morken <olav.morken@uninett.no>
Date: Wed, 4 Nov 2009 13:51:43 +0000
Subject: [PATCH] SimpleSAML_Utilities: Add getDefaultEndpoint-function.
git-svn-id: https://simplesamlphp.googlecode.com/svn/trunk@1944 44740490-163a-0410-bde0-09ae8108e29a
---
lib/SimpleSAML/Utilities.php | 51 ++++++++++++++++++++++++++++++++++++
1 file changed, 51 insertions(+)
diff --git a/lib/SimpleSAML/Utilities.php b/lib/SimpleSAML/Utilities.php
index f3d8822ab..4de7246ee 100644
--- a/lib/SimpleSAML/Utilities.php
+++ b/lib/SimpleSAML/Utilities.php
@@ -2113,6 +2113,57 @@ class SimpleSAML_Utilities {
self::$logMask = $lastMask[1];
}
+
+ /**
+ * Find the default endpoint in an endpoint array.
+ *
+ * @param array $endpoints Array with endpoints.
+ * @param array $bindings Array with acceptable bindings. Can be NULL if any binding is allowed.
+ * @return array|NULL The default endpoint, or NULL if no acceptable endpoints are used.
+ */
+ public static function getDefaultEndpoint(array $endpoints, array $bindings = NULL) {
+
+ $firstNotFalse = NULL;
+ $firstAllowed = NULL;
+
+ /* Look through the endpoint list for acceptable endpoints. */
+ foreach ($endpoints as $i => $ep) {
+ if ($bindings !== NULL && !in_array($ep['Binding'], $ep, TRUE)) {
+ /* Unsupported binding. Skip it. */
+ continue;
+ }
+
+ if (array_key_exists('isDefault', $ep)) {
+ if ($ep['isDefault'] === TRUE) {
+ /* This is the first endpoitn with isDefault set to TRUE. */
+ return $ep;
+ }
+ /* isDefault is set to FALSE, but the endpoint is still useable as a last resort. */
+ if ($firstAllowed === NULL) {
+ /* This is the first endpoint that we can use. */
+ $firstAllowed = $ep;
+ }
+ } else {
+ if ($firstNotFalse === NULL) {
+ /* This is the first endpoint without isDefault set. */
+ $firstNotFalse = $ep;
+ }
+ }
+ }
+
+ if ($firstNotFalse !== NULL) {
+ /* We have an endpoint without isDefault set to FALSE. */
+ return $firstNotFalse;
+ }
+
+ /*
+ * $firstAllowed either contains the first endpoint we can use, or it
+ * contains NULL if we cannot use any of the endpoints. Either way we
+ * return the value of it.
+ */
+ return $firstAllowed;
+ }
+
}
?>
\ No newline at end of file
--
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