Mattias Hedbom

Docker-compose/docker-compose.yml

@@ -0,0 +1,21 @@
+services:
+  app:
+    image: 'twitter-box:latest'
+    container_name: app
+    depends_on:
+      - db
+    ports:
+      - '4000:4000'
+    environment:
+      - SPRING_DATASOURCE_URL=jdbc:postgresql://db:5432/mypostgresuser
+      - SPRING_DATASOURCE_USERNAME=mypostgresuser
+      - SPRING_DATASOURCE_PASSWORD=mypostgrespassword
+      - SPRING_JPA_HIBERNATE_DDL_AUTO=update
+
+  db:
+    image: 'postgres:latest'
+    container_name: db
+    environment:
+      - POSTGRES_USER=mypostgresuser
+      - POSTGRES_DATABASE=mypostgresuser
+      - POSTGRES_PASSWORD=mypostgrespassword

build.gradle

@@ -1,12 +1,17 @@
 plugins {
 	id 'java'
-	id 'org.springframework.boot' version '3.1.4'
-	id 'io.spring.dependency-management' version '1.1.3'
+	id 'org.springframework.boot' version '3.4.2'
+	id 'io.spring.dependency-management' version '1.1.7'
 }
 
 group = 'com.booleanuk'
-version = '0.0.1'
-sourceCompatibility = '17'
+version = '0.0.2'
+
+java {
+	toolchain {
+		languageVersion = JavaLanguageVersion.of(21)
+	}
+}
 
 configurations {
 	compileOnly {
@@ -20,14 +25,27 @@ repositories {
 
 dependencies {
 	implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
+	implementation 'org.springframework.boot:spring-boot-starter-security'
 	implementation 'org.springframework.boot:spring-boot-starter-web'
+	implementation 'io.jsonwebtoken:jjwt-api:0.12.6'
+	implementation 'io.jsonwebtoken:jjwt-impl:0.12.6'
+	runtimeOnly 'io.jsonwebtoken:jjwt-jackson:0.12.6'
+
 	compileOnly 'org.projectlombok:lombok'
 	developmentOnly 'org.springframework.boot:spring-boot-devtools'
-	implementation 'org.postgresql:postgresql:42.6.0'
+	runtimeOnly 'org.postgresql:postgresql'
 	annotationProcessor 'org.projectlombok:lombok'
+	implementation 'org.postgresql:postgresql:42.6.0'
 	testImplementation 'org.springframework.boot:spring-boot-starter-test'
+	testImplementation 'org.springframework.security:spring-security-test'
+
+	implementation 'jakarta.validation:jakarta.validation-api:3.1.0'
+}
+
+tasks.named('bootBuildImage') {
+	builder = 'paketobuildpacks/builder-jammy-base:latest'
 }
 
 tasks.named('test') {
 	useJUnitPlatform()
-}
+}

src/main/java/com/booleanuk/api/Main.java

@@ -0,0 +1,32 @@
+package com.booleanuk.api;
+
+import com.booleanuk.api.model.ERole;
+import com.booleanuk.api.model.Role;
+import com.booleanuk.api.repository.RoleRepository;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.CommandLineRunner;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class Main implements CommandLineRunner {
+    @Autowired
+    private RoleRepository roleRepository;
+
+    public static void main(String[] args) {
+        SpringApplication.run(Main.class, args);
+    }
+
+    @Override
+    public void run(String... args) {
+        if (!this.roleRepository.existsByName(ERole.ROLE_USER)) {
+            this.roleRepository.save(new Role(ERole.ROLE_USER));
+        }
+        if (!this.roleRepository.existsByName(ERole.ROLE_ADMIN)) {
+            this.roleRepository.save(new Role(ERole.ROLE_ADMIN));
+        }
+        if (!this.roleRepository.existsByName(ERole.ROLE_MODERATOR)) {
+            this.roleRepository.save(new Role(ERole.ROLE_MODERATOR));
+        }
+    }
+}

src/main/java/com/booleanuk/api/controller/AuthController.java

@@ -0,0 +1,101 @@
+package com.booleanuk.api.controller;
+
+import com.booleanuk.api.model.ERole;
+import com.booleanuk.api.model.Role;
+import com.booleanuk.api.model.User;
+import com.booleanuk.api.payload.request.LoginRequest;
+import com.booleanuk.api.payload.request.SignupRequest;
+import com.booleanuk.api.payload.response.JwtResponse;
+import com.booleanuk.api.payload.response.MessageResponse;
+import com.booleanuk.api.repository.RoleRepository;
+import com.booleanuk.api.repository.UserRepository;
+import com.booleanuk.api.security.jwt.JwtUtils;
+import com.booleanuk.api.security.services.UserDetailsImpl;
+import jakarta.validation.Valid;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.ResponseEntity;
+import org.springframework.security.authentication.AuthenticationManager;
+import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
+import org.springframework.security.core.Authentication;
+import org.springframework.security.core.context.SecurityContextHolder;
+import org.springframework.security.crypto.password.PasswordEncoder;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+import java.util.stream.Collectors;
+
+@CrossOrigin(origins = "*", maxAge = 3600)
+@RestController
+@RequestMapping("auth")
+public class AuthController {
+    @Autowired
+    AuthenticationManager authenticationManager;
+
+    @Autowired
+    UserRepository userRepository;
+
+    @Autowired
+    RoleRepository roleRepository;
+
+    @Autowired
+    PasswordEncoder encoder;
+
+    @Autowired
+    JwtUtils jwtUtils;
+
+    @PostMapping("/signin")
+    public ResponseEntity<?> authenticateUser(@Valid @RequestBody LoginRequest loginRequest) {
+        // If using a salt for password use it here
+        Authentication authentication = authenticationManager
+                .authenticate(new UsernamePasswordAuthenticationToken(loginRequest.getUsername(), loginRequest.getPassword()));
+        SecurityContextHolder.getContext().setAuthentication(authentication);
+        String jwt = jwtUtils.generateJwtToken(authentication);
+
+        UserDetailsImpl userDetails = (UserDetailsImpl) authentication.getPrincipal();
+        List<String> roles = userDetails.getAuthorities().stream().map((item) -> item.getAuthority())
+                .collect(Collectors.toList());
+        return ResponseEntity
+                .ok(new JwtResponse(jwt, userDetails.getId(), userDetails.getUsername(), userDetails.getEmail(), roles));
+    }
+
+    @PostMapping("/signup")
+    public ResponseEntity<?> registerUser(@Valid @RequestBody SignupRequest signupRequest) {
+        if (userRepository.existsByUsername(signupRequest.getUsername())) {
+            return ResponseEntity.badRequest().body(new MessageResponse("Error: Username is already taken"));
+        }
+        if (userRepository.existsByEmail(signupRequest.getEmail())) {
+            return ResponseEntity.badRequest().body(new MessageResponse("Error: Email is already in use!"));
+        }
+        // Create a new user add salt here if using one
+        User user = new User(signupRequest.getUsername(), signupRequest.getEmail(), encoder.encode(signupRequest.getPassword()));
+        Set<String> strRoles = signupRequest.getRole();
+        Set<Role> roles = new HashSet<>();
+
+        if (strRoles == null) {
+            Role userRole = roleRepository.findByName(ERole.ROLE_USER).orElseThrow(() -> new RuntimeException("Error: Role is not found"));
+            roles.add(userRole);
+        } else {
+            strRoles.forEach((role) -> {
+                switch (role) {
+                    case "admin":
+                        Role adminRole = roleRepository.findByName(ERole.ROLE_ADMIN).orElseThrow(() -> new RuntimeException("Error: Role is not found"));
+                        roles.add(adminRole);
+                        break;
+                    case "mod":
+                        Role modRole = roleRepository.findByName(ERole.ROLE_MODERATOR).orElseThrow(() -> new RuntimeException("Error: Role is not found"));
+                        roles.add(modRole);
+                        break;
+                    default:
+                        Role userRole = roleRepository.findByName(ERole.ROLE_USER).orElseThrow(() -> new RuntimeException("Error: Role is not found"));
+                        roles.add(userRole);
+                        break;
+                }
+            });
+        }
+        user.setRoles(roles);
+        userRepository.save(user);
+        return ResponseEntity.ok((new MessageResponse("User registered successfully")));
+    }
+}

src/main/java/com/booleanuk/api/controller/FollowerController.java

@@ -0,0 +1,128 @@
+package com.booleanuk.api.controller;
+
+import com.booleanuk.api.model.*;
+import com.booleanuk.api.payload.response.*;
+import com.booleanuk.api.repository.FollowerRepository;
+import com.booleanuk.api.repository.UserRepository;
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+
+@RestController
+@RequestMapping("followers")
+public class FollowerController {
+    @Autowired
+    private FollowerRepository followerRepository;
+
+    @Autowired
+    private UserRepository userRepository;
+
+    @GetMapping
+    public ResponseEntity<FollowerListResponse> getAllFollows() {
+        FollowerListResponse followerListResponse = new FollowerListResponse();
+        followerListResponse.set(this.followerRepository.findAll());
+        return ResponseEntity.ok(followerListResponse);
+    }
+
+    @PostMapping("/{u1}/follow/{u2}")
+    public ResponseEntity<Response<?>> follow(@RequestBody Follower follower, @PathVariable("u1") int u1, @PathVariable("u2") int u2) {
+        User user = this.userRepository.findById(u1).orElse(null);
+        User isfollowed = this.userRepository.findById(u2).orElse(null);
+
+        try {
+            if(user == null || isfollowed == null){
+                ErrorResponse error = new ErrorResponse();
+                error.set("not found");
+                return new ResponseEntity<>(error, HttpStatus.NOT_FOUND);
+            }
+
+            for(Follower aFollower : this.followerRepository.findAll()){
+                if(aFollower.getIsFollowing().equals(user) && aFollower.getIsFollowed().equals(isfollowed)){
+                    ErrorResponse error = new ErrorResponse();
+                    error.set("Bad request");
+                    return new ResponseEntity<>(error, HttpStatus.BAD_REQUEST);
+                }
+            }
+
+            follower.setIsFollowing(user);
+            follower.setIsFollowed(isfollowed);
+
+            FollowerResponse followerResponse = new FollowerResponse();
+            followerResponse.set(this.followerRepository.save(follower));
+
+            return new ResponseEntity<>(followerResponse, HttpStatus.CREATED);
+
+        } catch (Exception e) {
+            ErrorResponse error = new ErrorResponse();
+            error.set("Bad request");
+            return new ResponseEntity<>(error, HttpStatus.BAD_REQUEST);
+        }
+    }
+
+
+
+
+
+    @DeleteMapping("/{u1}/unfollow/{u2}")
+    public ResponseEntity<Response<?>> unfollow(@PathVariable("u1") int u1, @PathVariable("u2") int u2) {
+        User user = this.userRepository.findById(u1).orElse(null);
+        User isfollowed = this.userRepository.findById(u2).orElse(null);
+
+        try {
+            if(user == null || isfollowed == null){
+                ErrorResponse error = new ErrorResponse();
+                error.set("not found");
+                return new ResponseEntity<>(error, HttpStatus.NOT_FOUND);
+            }
+
+            for(Follower aFollower : this.followerRepository.findAll()){
+                if(aFollower.getIsFollowing().equals(user) && aFollower.getIsFollowed().equals(isfollowed)){
+                    this.followerRepository.delete(aFollower);
+                    FollowerResponse followerResponse = new FollowerResponse();
+                    followerResponse.set(aFollower);
+                    return ResponseEntity.ok(followerResponse);
+                }
+            }
+
+            ErrorResponse error = new ErrorResponse();
+            error.set("Bad request, user with ID" + u1 + "do not follow user with ID" + u2);
+            return new ResponseEntity<>(error, HttpStatus.BAD_REQUEST);
+
+        } catch (Exception e) {
+            ErrorResponse error = new ErrorResponse();
+            error.set("Bad request");
+            return new ResponseEntity<>(error, HttpStatus.BAD_REQUEST);
+        }
+
+    }
+
+    @GetMapping("{id}")
+    public ResponseEntity<?> getAllFollowsForSpecificUser(@PathVariable int id) {
+        User user = this.userRepository.findById(id).orElse(null);
+        if(user == null){
+            ErrorResponse error = new ErrorResponse();
+            error.set("not found");
+            return new ResponseEntity<>(error, HttpStatus.NOT_FOUND);
+        }
+
+        FollowerListResponse followerListResponse = new FollowerListResponse();
+        followerListResponse.set(this.followerRepository.findAllIsFollowingByIsFollowed(user));
+        return ResponseEntity.ok(followerListResponse);
+    }
+
+    @GetMapping("follows/{id}")
+    public ResponseEntity<?> getAllFollowingForSpecificUser(@PathVariable int id) {
+        User user = this.userRepository.findById(id).orElse(null);
+        if(user == null){
+            ErrorResponse error = new ErrorResponse();
+            error.set("not found");
+            return new ResponseEntity<>(error, HttpStatus.NOT_FOUND);
+        }
+
+        FollowerListResponse followerListResponse = new FollowerListResponse();
+        followerListResponse.set(this.followerRepository.findAllIsFollowedByIsFollowing(user));
+        return ResponseEntity.ok(followerListResponse);
+    }
+}