add isFromInstance role condition

packages/backend/src/core/RoleService.ts

@@ -248,6 +248,19 @@ export class RoleService implements OnApplicationShutdown, OnModuleInit {
 				case 'isRemote': {
 					return this.userEntityService.isRemoteUser(user);
 				}
+				// User is from a specific instance
+				case 'isFromInstance': {
+					if (user.host == null) {
+						return false;
+					}
+					if (value.subdomains) {
+						const userHost = '.' + user.host.toLowerCase();
+						const targetHost = '.' + value.host.toLowerCase();
+						return userHost.endsWith(targetHost);
+					} else {
+						return user.host.toLowerCase() === value.host.toLowerCase();
+					}
+				}
 				// サスペンド済みユーザである
 				case 'isSuspended': {
 					return user.isSuspended;

packages/backend/src/models/Role.ts

@@ -47,6 +47,15 @@ type CondFormulaValueIsRemote = {
 	type: 'isRemote';
 };
 
+/**
+ * User is from a specific instance
+ */
+type CondFormulaValueIsFromInstance = {
+	type: 'isFromInstance';
+	host: string;
+	subdomains: boolean;
+};
+
 /**
  * 既に指定のマニュアルロールにアサインされている場合のみ成立とする
  */
@@ -160,6 +169,7 @@ export type RoleCondFormulaValue = { id: string } & (
 	CondFormulaValueNot |
 	CondFormulaValueIsLocal |
 	CondFormulaValueIsRemote |
+	CondFormulaValueIsFromInstance |
 	CondFormulaValueIsSuspended |
 	CondFormulaValueIsLocked |
 	CondFormulaValueIsBot |