Improve SSO Config validation (#572)

* Extract SsoConfig enums to own file

* Add ChangeStripSpaces directive

* Move custom validators to jslib

* Add a11y-invalid directive

* Add and implement dirtyValidators

* Create ssoConfigView model and factory methods

* Add interface for select options

* Don't build SsoConfigData if null

Co-authored-by: Oscar Hinton <oscar@oscarhinton.com>

common/src/enums/ssoEnums.ts

@@ -0,0 +1,34 @@
+export enum SsoType {
+  None = 0,
+  OpenIdConnect = 1,
+  Saml2 = 2,
+}
+
+export enum OpenIdConnectRedirectBehavior {
+  RedirectGet = 0,
+  FormPost = 1,
+}
+
+export enum Saml2BindingType {
+  HttpRedirect = 1,
+  HttpPost = 2,
+  Artifact = 4,
+}
+
+export enum Saml2NameIdFormat {
+  NotConfigured = 0,
+  Unspecified = 1,
+  EmailAddress = 2,
+  X509SubjectName = 3,
+  WindowsDomainQualifiedName = 4,
+  KerberosPrincipalName = 5,
+  EntityIdentifier = 6,
+  Persistent = 7,
+  Transient = 8,
+}
+
+export enum Saml2SigningBehavior {
+  IfIdpWantAuthnRequestsSigned = 0,
+  Always = 1,
+  Never = 3,
+}