Oauth2 support

backend/internal/entity/setting/auth_methods.go

@@ -2,19 +2,31 @@ package setting
 
 import (
 	"encoding/json"
+	"slices"
 )
 
 // GetAuthMethods returns the authentication methods enabled for this site
 func GetAuthMethods() ([]string, error) {
-	var l []string
 	var m Model
 	if err := m.LoadByName("auth-methods"); err != nil {
-		return l, err
+		return nil, err
 	}
 
-	if err := json.Unmarshal([]byte(m.Value.String()), &l); err != nil {
-		return l, err
+	var r []string
+	if err := json.Unmarshal([]byte(m.Value.String()), &r); err != nil {
+		return nil, err
 	}
 
-	return l, nil
+	return r, nil
+}
+
+// AuthMethodEnabled checks that the auth method given is
+// enabled in the db setting
+func AuthMethodEnabled(method string) bool {
+	r, err := GetAuthMethods()
+	if err != nil {
+		return false
+	}
+
+	return slices.Contains(r, method)
 }