Updated/Introduced: 1. Spring security (currently disabled seen in SecurityConfig.java) 2. Renamed Coloumn names to be more aligned with best practices 3. Return DTO instead of User Object to request

server/build.gradle

@@ -19,10 +19,11 @@ repositories {
 
 dependencies {
     implementation 'org.springframework.boot:spring-boot-starter-web'
+    implementation 'org.springframework.boot:spring-boot-starter-security'
     implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
     // Argon2 password hashing
     implementation 'org.springframework.security:spring-security-crypto:6.3.3'
-    implementation 'org.bouncycastle:bcprov-jdk15on:1.70'
+    implementation 'org.bouncycastle:bcprov-jdk18on:1.78.1'
 
     // Dotenv manager
     implementation 'io.github.cdimascio:java-dotenv:5.2.2'
@@ -30,8 +31,14 @@ dependencies {
     // Minio S3 Storage
     implementation 'io.minio:minio:8.5.12'
 
+    // JWT token libary (jjwt)
+    implementation 'io.jsonwebtoken:jjwt-api:0.12.6'
+    runtimeOnly 'io.jsonwebtoken:jjwt-impl:0.12.6'
+    runtimeOnly 'io.jsonwebtoken:jjwt-jackson:0.12.6' // or 'io.jsonwebtoken:jjwt-gson:0.12.6' for gson
+
     runtimeOnly 'org.postgresql:postgresql'
     testImplementation 'org.springframework.boot:spring-boot-starter-test'
+    testImplementation 'org.springframework.security:spring-security-test'
     testRuntimeOnly 'org.junit.platform:junit-platform-launcher'
 }
 

server/src/main/java/com/mixel/docusphere/config/SecurityConfig.java

@@ -0,0 +1,23 @@
+package com.mixel.docusphere.config;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.security.config.annotation.web.builders.HttpSecurity;
+import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
+import org.springframework.security.web.SecurityFilterChain;
+
+@Configuration
+@EnableWebSecurity
+public class SecurityConfig {
+
+    @Bean
+    public SecurityFilterChain securityFilterChain(HttpSecurity http) throws Exception {
+        http
+                .csrf(csrf -> csrf.disable()) // Disable CSRF protection
+                .authorizeHttpRequests(auth -> auth
+                        .anyRequest().permitAll() // Allow all requests without authentication
+                );
+
+        return http.build();
+    }
+}

server/src/main/java/com/mixel/docusphere/controller/UserController.java

@@ -23,24 +23,24 @@ public class UserController {
     }
 
     @GetMapping
-    public List<User> getAllUsers() {
+    public List<UserDTO> getAllUsers() {
         return userService.findAll();
     }
 
     @GetMapping("/{id}")
-    public ResponseEntity<User> getUserById(@PathVariable UUID id) {
-        Optional<User> user = userService.findById(id);
+    public ResponseEntity<UserDTO> getUserById(@PathVariable UUID id) {
+        Optional<UserDTO> user = userService.findById(id);
         return user.map(ResponseEntity::ok).orElseGet(() -> ResponseEntity.notFound().build());
     }
 
     @PostMapping
-    public User createUser(@RequestBody UserDTO userDTO) {
+    public UserDTO createUser(@RequestBody UserDTO userDTO) {
         return userService.save(userDTO);
     }
 
     @PutMapping("/{id}")
-    public ResponseEntity<User> updateUser(@PathVariable UUID id, @RequestBody UserDTO userDTO) {
-        Optional<User> updatedUser = userService.update(id, userDTO);
+    public ResponseEntity<UserDTO> updateUser(@PathVariable UUID id, @RequestBody UserDTO userDTO) {
+        Optional<UserDTO> updatedUser = userService.update(id, userDTO);
         return updatedUser.map(ResponseEntity::ok).orElseGet(() -> ResponseEntity.notFound().build());
     }
 

server/src/main/java/com/mixel/docusphere/dto/UserDTO.java

@@ -1,10 +1,14 @@
 package com.mixel.docusphere.dto;
 
+import java.time.LocalDateTime;
+
 public class UserDTO {
     private String username;
     private String name;
     private String email;
-    private String password;
+    private String password; // Only Include for creation and update
+    private LocalDateTime createdAt;
+    private LocalDateTime updatedAt;
 
     // Getters and Setters
     public String getUsername() {
@@ -38,4 +42,20 @@ public class UserDTO {
     public void setPassword(String password) {
         this.password = password;
     }
+
+    public LocalDateTime getCreatedAt() {
+        return createdAt;
+    }
+
+    public void setCreatedAt(LocalDateTime createdAt) {
+        this.createdAt = createdAt;
+    }
+
+    public LocalDateTime getUpdatedAt() {
+        return updatedAt;
+    }
+
+    public void setUpdatedAt(LocalDateTime updatedAt) {
+        this.updatedAt = updatedAt;
+    }
 }

server/src/main/java/com/mixel/docusphere/entity/User.java

@@ -1,44 +1,45 @@
 package com.mixel.docusphere.entity;
 
+import org.springframework.security.core.GrantedAuthority;
+import org.springframework.security.core.userdetails.UserDetails;
+
 import com.fasterxml.jackson.annotation.JsonIgnore;
 import jakarta.persistence.*;
 import org.hibernate.annotations.CreationTimestamp;
 import org.hibernate.annotations.UpdateTimestamp;
 
 import java.time.LocalDateTime;
+import java.util.Collection;
+import java.util.Collections;
 import java.util.UUID;
 
 @Entity
 @Table(name = "Users")
-public class User {
+public class User implements UserDetails {
     @Id
     @GeneratedValue(strategy = GenerationType.UUID)
-    @Column(name = "UserID", updatable = false, nullable = false)
+    @Column(name = "user_id", updatable = false, nullable = false)
     private UUID userId;
 
-    @Column(name = "Username", nullable = false, unique = true)
+    @Column(name = "username", nullable = false, unique = true)
     private String username;
 
-    @Column(name = "Name", nullable = false)
+    @Column(name = "name", nullable = false)
     private String name;
 
-    @Column(name = "Email", nullable = false, unique = true)
+    @Column(name = "email", nullable = false, unique = true)
     private String email;
 
     @JsonIgnore
-    @Column(name = "PasswordHash", nullable = false)
+    @Column(name = "password_hash", nullable = false)
     private String passwordHash;
 
-    @JsonIgnore
-    @Column(name = "PasswordSalt", nullable = false)
-    private String passwordSalt;
-
     @CreationTimestamp
-    @Column(name = "CreatedAt", nullable = false, updatable = false)
+    @Column(name = "created_at", nullable = false, updatable = false)
     private LocalDateTime createdAt;
 
     @UpdateTimestamp
-    @Column(name = "UpdatedAt", nullable = false)
+    @Column(name = "updated_at", nullable = false)
     private LocalDateTime updatedAt;
 
     @PrePersist
@@ -93,14 +94,6 @@ public class User {
         this.passwordHash = passwordHash;
     }
 
-    public String getPasswordSalt() {
-        return passwordSalt;
-    }
-
-    public void setPasswordSalt(String passwordSalt) {
-        this.passwordSalt = passwordSalt;
-    }
-
     public LocalDateTime getCreatedAt() {
         return createdAt;
     }
@@ -116,4 +109,38 @@ public class User {
     public void setUpdatedAt(LocalDateTime updatedAt) {
         this.updatedAt = updatedAt;
     }
+
+    // UserDetails interface methods
+    @Override
+    public Collection<? extends GrantedAuthority> getAuthorities() {
+        // Return the authorities granted to the user
+        return Collections.emptyList(); // Implement this based on your requirements
+    }
+
+    @JsonIgnore
+    @Override
+    public String getPassword() {
+        return passwordHash;
+    }
+
+    @Override
+    public boolean isAccountNonExpired() {
+        return true;
+    }
+
+    @Override
+    public boolean isAccountNonLocked() {
+        return true;
+    }
+
+    @Override
+    public boolean isCredentialsNonExpired() {
+        return true;
+    }
+
+    @Override
+    public boolean isEnabled() {
+        return true;
+    }
+
 }

server/src/main/java/com/mixel/docusphere/mapper/UserMapper.java

@@ -0,0 +1,26 @@
+package com.mixel.docusphere.mapper;
+
+import com.mixel.docusphere.dto.UserDTO;
+import com.mixel.docusphere.entity.User;
+
+public class UserMapper {
+    public static UserDTO toDTO(User user) {
+        UserDTO userDTO = new UserDTO();
+        userDTO.setUsername(user.getUsername());
+        userDTO.setName(user.getName());
+        userDTO.setEmail(user.getEmail());
+        userDTO.setCreatedAt(user.getCreatedAt());
+        userDTO.setUpdatedAt(user.getUpdatedAt());
+
+        return userDTO;
+    }
+
+    public static User toEntity(UserDTO userDTO) {
+        User user = new User();
+        user.setUsername(userDTO.getUsername());
+        user.setName(userDTO.getName());
+        user.setEmail(userDTO.getEmail());
+
+        return user;
+    }
+}

server/src/main/java/com/mixel/docusphere/service/UserService.java

@@ -2,14 +2,15 @@ package com.mixel.docusphere.service;
 
 import com.mixel.docusphere.dto.UserDTO;
 import com.mixel.docusphere.entity.User;
+import com.mixel.docusphere.mapper.UserMapper;
 import com.mixel.docusphere.repository.UserRepository;
 import org.springframework.security.crypto.argon2.Argon2PasswordEncoder;
-import org.springframework.security.crypto.keygen.KeyGenerators;
 import org.springframework.stereotype.Service;
 
 import java.util.List;
 import java.util.Optional;
 import java.util.UUID;
+import java.util.stream.Collectors;
 
 @Service
 public class UserService {
@@ -24,25 +25,24 @@ public class UserService {
         this.userRepository = userRepository;
     }
 
-    public List<User> findAll() {
-        return userRepository.findAll();
+    public List<UserDTO> findAll() {
+        return userRepository.findAll().stream()
+                .map(UserMapper::toDTO)
+                .collect(Collectors.toList());
     }
 
-    public Optional<User> findById(UUID id) {
-        return userRepository.findById(id);
+    public Optional<UserDTO> findById(UUID id) {
+        return userRepository.findById(id)
+                .map(UserMapper::toDTO);
     }
 
-    public User save(UserDTO userDTO) {
-        User user = new User();
-        user.setUsername(userDTO.getUsername());
-        user.setName(userDTO.getName());
-        user.setEmail(userDTO.getEmail());
-
+    public UserDTO save(UserDTO userDTO) {
+        User user = UserMapper.toEntity(userDTO);
         isPasswordAlreadySet(userDTO, user);
-        return userRepository.save(user);
+        return UserMapper.toDTO(userRepository.save(user));
     }
 
-    public Optional<User> update(UUID id, UserDTO userDTO){
+    public Optional<UserDTO> update(UUID id, UserDTO userDTO){
         Optional<User> userOptional = userRepository.findById(id);
         if (userOptional.isPresent()) {
             User user = userOptional.get();
@@ -51,17 +51,14 @@ public class UserService {
             user.setEmail(userDTO.getEmail());
 
             isPasswordAlreadySet(userDTO, user);
-            return Optional.of(userRepository.save(user));
+            return Optional.of(UserMapper.toDTO(userRepository.save(user)));
         }
         return Optional.empty();
     }
 
     private void isPasswordAlreadySet(UserDTO userDTO, User user) {
         if (userDTO.getPassword() != null && !userDTO.getPassword().isEmpty()) {
-            final String salt = KeyGenerators.string().generateKey();
-            user.setPasswordSalt(salt);
-            final String saltedPassword = salt + userDTO.getPassword();
-            user.setPasswordHash(passwordEncoder.encode(saltedPassword));
+            user.setPasswordHash(passwordEncoder.encode(userDTO.getPassword()));
         }
     }