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/api/grpc/user/v2/server.go

@@ -22,6 +22,7 @@ type Server struct {
 	userCodeAlg crypto.EncryptionAlgorithm
 	idpAlg      crypto.EncryptionAlgorithm
 	idpCallback func(ctx context.Context) string
+	samlRootURL func(ctx context.Context, idpID string) string
 }
 
 type Config struct{}
@@ -32,6 +33,7 @@ func CreateServer(
 	userCodeAlg crypto.EncryptionAlgorithm,
 	idpAlg crypto.EncryptionAlgorithm,
 	idpCallback func(ctx context.Context) string,
+	samlRootURL func(ctx context.Context, idpID string) string,
 ) *Server {
 	return &Server{
 		command:     command,
@@ -39,6 +41,7 @@ func CreateServer(
 		userCodeAlg: userCodeAlg,
 		idpAlg:      idpAlg,
 		idpCallback: idpCallback,
+		samlRootURL: samlRootURL,
 	}
 }