Can check user tokens

src/helpers/AccountHelper.ts

@@ -80,6 +80,33 @@ export class AccountHelper {
 		return row == null ? null : this.DBToUserTokens(row);
 	}
 
+	/**
+	 * Find a user using its tokens
+	 * 
+	 * @param client Information about the client
+	 * @param token1 First token
+	 * @param token2 Second token
+	 * @returns The ID of the target user / -1 if none found
+	 */
+	public static async GetUserIdFromTokens(client : APIClient, 
+		token1: string, token2: string) : Promise<number> {
+
+		const row = await DatabaseHelper.QueryRow({
+			table: USERS_TOKENS_TABLE,
+			fields: ["user_id"],
+			where: {
+				service_id: client.id,
+				token1: token1,
+				token2: token2
+			}
+		});
+
+		if(!row)
+			return -1;
+		
+		return Number(row.user_id);
+	}
+
 	/**
 	 * Crypt a password
 	 *