Start delete group method

src/entities/RequestHandler.ts

@@ -374,6 +374,19 @@ export class RequestHandler {
 			this.error(412, "Please check your login tokens!");
 	}
 
+	/**
+	 * Check the user password included in the request
+	 * 
+	 * @param postField The name of the post field
+	 * containing user password
+	 */
+	public async needUserPostPassword(postField: string) {
+		const password = this.postString(postField, 3);
+
+		if(!await AccountHelper.CheckUserPassword(this.getUserId(), password))
+			this.error(401, "Invalid password!");
+	}
+
 	/**
 	 * Get information about API client
 	 */