[MM-62412] Block login of SAML users if no connected LDAP user is found (#29786)

server/einterfaces/ldap.go

@@ -11,9 +11,8 @@ import (
 type LdapInterface interface {
 	DoLogin(c request.CTX, id string, password string) (*model.User, *model.AppError)
 	GetUser(c request.CTX, id string) (*model.User, *model.AppError)
+	GetLDAPUserForMMUser(rctx request.CTX, mmUser *model.User) (*model.User, string, *model.AppError)
 	GetUserAttributes(rctx request.CTX, id string, attributes []string) (map[string]string, *model.AppError)
-	CheckPassword(c request.CTX, id string, password string) *model.AppError
-	CheckPasswordAuthData(c request.CTX, authData string, password string) *model.AppError
 	CheckProviderAttributes(c request.CTX, LS *model.LdapSettings, ouser *model.User, patch *model.UserPatch) string
 	SwitchToLdap(c request.CTX, userID, ldapID, ldapPassword string) *model.AppError
 	StartSynchronizeJob(c request.CTX, waitForJobToFinish bool, includeRemovedMembers bool) (*model.Job, *model.AppError)
@@ -21,10 +20,8 @@ type LdapInterface interface {
 	MigrateIDAttribute(c request.CTX, toAttribute string) error
 	GetGroup(rctx request.CTX, groupUID string) (*model.Group, *model.AppError)
 	GetAllGroupsPage(rctx request.CTX, page int, perPage int, opts model.LdapGroupSearchOpts) ([]*model.Group, int, *model.AppError)
-	FirstLoginSync(c request.CTX, user *model.User, userAuthService, userAuthData, email string) *model.AppError
+	FirstLoginSync(c request.CTX, user *model.User) *model.AppError
 	UpdateProfilePictureIfNecessary(request.CTX, model.User, model.Session)
-	GetADLdapIdFromSAMLId(c request.CTX, authData string) string
-	GetSAMLIdFromADLdapId(c request.CTX, authData string) string
 }
 
 type LdapDiagnosticInterface interface {