Saml2: Extend SAML2 support (#781)

Co-authored-by: Balázs Váradi <[email protected]>
Co-authored-by: atymic <[email protected]>

InvalidSignatureException.php

@@ -0,0 +1,9 @@
+<?php
+
+namespace SocialiteProviders\Saml2;
+
+use InvalidArgumentException;
+
+class InvalidSignatureException extends InvalidArgumentException
+{
+}

NotSupportedException.php

@@ -0,0 +1,9 @@
+<?php
+
+namespace SocialiteProviders\Saml2;
+
+use InvalidArgumentException;
+
+class NotSupportedException extends InvalidArgumentException
+{
+}

OasisAttributeNameUris.php

@@ -0,0 +1,21 @@
+<?php
+
+namespace SocialiteProviders\Saml2;
+
+class OasisAttributeNameUris
+{
+    public const COMMON_NAME = 'urn:oid:2.5.4.3';
+    public const DISPLAY_NAME = 'urn:oid:2.16.840.1.113730.3.1.241';
+    public const GIVEN_NAME = 'urn:oid:2.5.4.42';
+    public const MAIL = 'urn:oid:0.9.2342.19200300.100.1.3';
+    public const ORGANIZATIONAL_UNIT_NAME = 'urn:oid:2.5.4.11';
+    public const PHONE = 'urn:oid:2.5.4.20';
+    public const PREFERRED_FIRST_NAME = 'urn:oid:1.2.840.113994.200.47';
+    public const PREFERRED_MIDDLE_NAME = 'urn:oid:1.2.840.113994.200.48';
+    public const PREFERRED_SURNAME = 'urn:oid:1.2.840.113994.200.49';
+    public const REGISTERED_GIVEN_NAME = 'urn:oid:1.2.840.113994.200.32';
+    public const REGISTERED_SURNAME = 'urn:oid:1.2.840.113994.200.31';
+    public const SURNAME = 'urn:oid:2.5.4.4';
+    public const TITLE = 'urn:oid:2.5.4.12';
+    public const UID = 'urn:oid:0.9.2342.19200300.100.1.1';
+}