From 063452c18e9aec52b025f0279eaf993a0ced6021 Mon Sep 17 00:00:00 2001
From: PrinceCatt <2991588053@qq.com>
Date: Sat, 9 Nov 2024 21:51:56 +0800
Subject: [PATCH] ban | in input

---
 logs/logs.log.lck                        |  0
 src/main/java/bookbob/parser/Parser.java | 10 ++++++++++
 2 files changed, 10 insertions(+)
 create mode 100644 logs/logs.log.lck

diff --git a/logs/logs.log.lck b/logs/logs.log.lck
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/src/main/java/bookbob/parser/Parser.java b/src/main/java/bookbob/parser/Parser.java
index f4e2035eee..c6a725c174 100644
--- a/src/main/java/bookbob/parser/Parser.java
+++ b/src/main/java/bookbob/parser/Parser.java
@@ -7,15 +7,25 @@
 import java.io.IOException;
 import java.time.DateTimeException;
 import java.time.format.DateTimeParseException;
+import java.util.List;
 import java.util.logging.Level;
 import java.util.logging.Logger;
 
 public class Parser {
     private static final Logger logger = Logger.getLogger(Parser.class.getName());
 
+    private static final List<String> keywords = List.of("|");
+
     public static void handleCommand(String input, CommandHandler commandHandler, Records records,
                                      AppointmentRecord appointmentRecord) {
         String[] inputArray = input.split(" ", 2);
+
+        boolean isBanned = keywords.stream().anyMatch(input::contains);
+        if (isBanned) {
+            System.out.println("You have entered a command containing illegal characters");
+            return;
+        }
+
         String command = inputArray[0];
 
         switch (command) {