From 7c3c6b07fb515fe453c7de1621b61d5ae97e6951 Mon Sep 17 00:00:00 2001
From: Olav Morken <olav.morken@uninett.no>
Date: Mon, 18 Aug 2008 11:33:44 +0000
Subject: [PATCH] Utilities: add parseAttributes function.
git-svn-id: https://simplesamlphp.googlecode.com/svn/trunk@807 44740490-163a-0410-bde0-09ae8108e29a
---
lib/SimpleSAML/Utilities.php | 41 ++++++++++++++++++++++++++++++++++++
1 file changed, 41 insertions(+)
diff --git a/lib/SimpleSAML/Utilities.php b/lib/SimpleSAML/Utilities.php
index 313f09e4e..460abe4c5 100644
--- a/lib/SimpleSAML/Utilities.php
+++ b/lib/SimpleSAML/Utilities.php
@@ -1209,6 +1209,47 @@ class SimpleSAML_Utilities {
return $res;
}
+
+ /**
+ * Parse and validate an array with attributes.
+ *
+ * This function takes in an associative array with attributes, and parses and validates
+ * this array. On success, it will return a normalized array, where each attribute name
+ * is an index to an array of one or more strings. On failure an exception will be thrown.
+ * This exception will contain an message describing what is wrong.
+ *
+ * @param array $attributes The attributes we should parse and validate.
+ * @return array The parsed attributes.
+ */
+ public static function parseAttributes($attributes) {
+
+ if (!is_array($attributes)) {
+ throw new Exception('Attributes was not an array. Was: ' . var_export($attributes, TRUE));
+ }
+
+ $newAttrs = array();
+ foreach ($attributes as $name => $values) {
+ if (!is_string($name)) {
+ throw new Exception('Invalid attribute name: ' . var_export($name, TRUE));
+ }
+
+ if (!is_array($values)) {
+ $values = array($values);
+ }
+
+ foreach ($values as $value) {
+ if (!is_string($value)) {
+ throw new Exception('Invalid attribute value for attribute ' . $name .
+ ': ' . var_export($value, TRUE));
+ }
+ }
+
+ $newAttrs[$name] = $values;
+ }
+
+ return $newAttrs;
+ }
+
}
?>
\ No newline at end of file
--
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