From 6ef10bfc7b322409cf037691808476310c47373b Mon Sep 17 00:00:00 2001
From: Shaik Sahil Rizwan <sahil.22bce8579@vitapstudent.ac.in>
Date: Sat, 13 Dec 2025 06:21:33 +0000
Subject: [PATCH 1/3] Add Spring Security with basic in-memory user
 authentication to API Server template

---
 java/app/pom.xml                                  |  4 ++++
 .../java/com/example/demo/DemoApplication.java    | 15 ++++++++++++++-
 2 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/java/app/pom.xml b/java/app/pom.xml
index a86f541b..c4e69dfc 100644
--- a/java/app/pom.xml
+++ b/java/app/pom.xml
@@ -33,6 +33,10 @@
       <artifactId>spring-boot-starter-test</artifactId>
       <scope>test</scope>
     </dependency>
+    <dependency>
+      <groupId>org.springframework.boot</groupId>
+      <artifactId>spring-boot-starter-security</artifactId>
+    </dependency>
   </dependencies>
 
   <build>
diff --git a/java/app/src/main/java/com/example/demo/DemoApplication.java b/java/app/src/main/java/com/example/demo/DemoApplication.java
index 0f425aa9..b58e05ef 100644
--- a/java/app/src/main/java/com/example/demo/DemoApplication.java
+++ b/java/app/src/main/java/com/example/demo/DemoApplication.java
@@ -2,11 +2,18 @@
 
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.context.annotation.Configuration;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.RestController;
+//Security Imports
+import org.springframework.context.annotation.Bean;
+import org.springframework.security.core.userdetails.UserDetails;
+import org.springframework.security.provisioning.InMemoryUserDetailsManager;
+
 
 @SpringBootApplication
+@Configuration
 public class DemoApplication {
 
   @Value("${NAME:World}")
@@ -19,9 +26,15 @@ String hello() {
       return "Hello " + name + "!";
     }
   }
+  //default username and password can be configured from here Username default is user and password temp
+  @Bean
+  public InMemoryUserDetailsManager userDetailsManger(){
+      UserDetails john=org.springframework.security.core.userdetails.User.builder().username("user").password("{noop}temp").roles("Employee").build();
+      return new InMemoryUserDetailsManager(john);
+  } 
 
   public static void main(String[] args) {
     SpringApplication.run(DemoApplication.class, args);
   }
 
-}
+}
\ No newline at end of file

From 22e79845bbe4117d24ca1d76e9e4b3572cc10950 Mon Sep 17 00:00:00 2001
From: Shaik Sahil Rizwan <sahil.22bce8579@vitapstudent.ac.in>
Date: Sat, 13 Dec 2025 06:21:56 +0000
Subject: [PATCH 2/3] Add Spring Security with basic in-memory user
 authentication to API Server template

---
 java/app/src/main/java/com/example/demo/DemoApplication.java | 1 -
 1 file changed, 1 deletion(-)

diff --git a/java/app/src/main/java/com/example/demo/DemoApplication.java b/java/app/src/main/java/com/example/demo/DemoApplication.java
index b58e05ef..cd34a34a 100644
--- a/java/app/src/main/java/com/example/demo/DemoApplication.java
+++ b/java/app/src/main/java/com/example/demo/DemoApplication.java
@@ -36,5 +36,4 @@ public InMemoryUserDetailsManager userDetailsManger(){
   public static void main(String[] args) {
     SpringApplication.run(DemoApplication.class, args);
   }
-
 }
\ No newline at end of file

From d7bd35aeb5f8ce2287688e9e35ca5cc73e3a7ea6 Mon Sep 17 00:00:00 2001
From: Shaik Sahil Rizwan <sahil.22bce8579@vitapstudent.ac.in>
Date: Sat, 13 Dec 2025 06:28:43 +0000
Subject: [PATCH 3/3] Fix typo: rename userDetailsManger to userDetailsManager

---
 java/app/src/main/java/com/example/demo/DemoApplication.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/java/app/src/main/java/com/example/demo/DemoApplication.java b/java/app/src/main/java/com/example/demo/DemoApplication.java
index cd34a34a..7c35d0b9 100644
--- a/java/app/src/main/java/com/example/demo/DemoApplication.java
+++ b/java/app/src/main/java/com/example/demo/DemoApplication.java
@@ -28,7 +28,7 @@ String hello() {
   }
   //default username and password can be configured from here Username default is user and password temp
   @Bean
-  public InMemoryUserDetailsManager userDetailsManger(){
+  public InMemoryUserDetailsManager userDetailsManager(){
       UserDetails john=org.springframework.security.core.userdetails.User.builder().username("user").password("{noop}temp").roles("Employee").build();
       return new InMemoryUserDetailsManager(john);
   }