initial commit

internal/saml/util.go

@@ -0,0 +1,26 @@
+package saml
+
+import "github.com/crewjam/saml"
+
+const attrNameFormatURI = "urn:oasis:names:tc:SAML:2.0:attrname-format:uri"
+
+func toSAMLAttributes(attrs map[string][]string) []saml.Attribute {
+	out := make([]saml.Attribute, 0, len(attrs))
+	for name, vals := range attrs {
+		vs := make([]saml.AttributeValue, 0, len(vals))
+		for _, s := range vals {
+			vs = append(vs, saml.AttributeValue{
+				// explicitly mark string type so we never emit xsi:type=""
+				Type:  "xs:string",
+				Value: s,
+			})
+		}
+		out = append(out, saml.Attribute{
+			FriendlyName: name,
+			Name:         name,
+			NameFormat:   attrNameFormatURI,
+			Values:       vs,
+		})
+	}
+	return out
+}