feat: add SAML as identity provider (#6454)

* feat: first implementation for saml sp

* fix: add command side instance and org for saml provider

* fix: add query side instance and org for saml provider

* fix: request handling in event and retrieval of finished intent

* fix: add review changes and integration tests

* fix: add integration tests for saml idp

* fix: correct unit tests with review changes

* fix: add saml session unit test

* fix: add saml session unit test

* fix: add saml session unit test

* fix: changes from review

* fix: changes from review

* fix: proto build error

* fix: proto build error

* fix: proto build error

* fix: proto require metadata oneof

* fix: login with saml provider

* fix: integration test for saml assertion

* lint client.go

* fix json tag

* fix: linting

* fix import

* fix: linting

* fix saml idp query

* fix: linting

* lint: try all issues

* revert linting config

* fix: add regenerate endpoints

* fix: translations

* fix mk.yaml

* ignore acs path for user agent cookie

* fix: add AuthFromProvider test for saml

* fix: integration test for saml retrieve information

---------

Co-authored-by: Livio Spring <livio.a@gmail.com>

internal/idp/providers/ldap/session.go

@@ -29,8 +29,9 @@ type Session struct {
 	Entry    *ldap.Entry
 }
 
-func (s *Session) GetAuthURL() string {
-	return s.loginUrl
+// GetAuth implements the [idp.Session] interface.
+func (s *Session) GetAuth(ctx context.Context) (string, bool) {
+	return idp.Redirect(s.loginUrl)
 }
 
 func (s *Session) FetchUser(_ context.Context) (_ idp.User, err error) {