Revision: 1944
Author: olavmrk
Date: Wed Nov 4 05:51:43 2009
Log: SimpleSAML_Utilities: Add getDefaultEndpoint-function.
http://code.google.com/p/simplesamlphp/source/detail?r=1944
Modified:
/trunk/lib/SimpleSAML/Utilities.php
=======================================
--- /trunk/lib/SimpleSAML/Utilities.php Tue Oct 20 02:14:30 2009
+++ /trunk/lib/SimpleSAML/Utilities.php Wed Nov 4 05:51:43 2009
@@ -2112,6 +2112,57 @@
error_reporting($lastMask[0]);
self::$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;
+ }
}
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