Atm machine

.github/workflows/java.yml

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+name: Java CI
+on: [push]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set up JDK 21
+        uses: actions/setup-java@v2
+        with:
+          java-version: '23'
+          distribution: 'temurin'
+      - name: Build with Maven
+        run: mvn --batch-mode --update-snapshots package

.gitignore

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+##############################
+## Java
+##############################
+.mtj.tmp/
+*.class
+*.jar
+*.war
+*.ear
+*.nar
+hs_err_pid*
+replay_pid*
+
+##############################
+## Maven
+##############################
+target/
+pom.xml.tag
+pom.xml.releaseBackup
+pom.xml.versionsBackup
+pom.xml.next
+pom.xml.bak
+release.properties
+dependency-reduced-pom.xml
+buildNumber.properties
+.mvn/timing.properties
+.mvn/wrapper/maven-wrapper.jar
+
+##############################
+## Gradle
+##############################
+bin/
+build/
+.gradle
+.gradletasknamecache
+gradle-app.setting
+!gradle-wrapper.jar
+
+##############################
+## IntelliJ
+##############################
+out/
+.idea/
+.idea_modules/
+*.iml
+*.ipr
+*.iws
+
+##############################
+## Eclipse
+##############################
+.settings/
+bin/
+tmp/
+.metadata
+.classpath
+.project
+*.tmp
+*.bak
+*.swp
+*~.nib
+local.properties
+.loadpath
+.factorypath
+
+##############################
+## NetBeans
+##############################
+nbproject/private/
+build/
+nbbuild/
+dist/
+nbdist/
+nbactions.xml
+nb-configuration.xml
+
+##############################
+## Visual Studio Code
+##############################
+.vscode/
+.code-workspace
+
+##############################
+## OS X
+##############################
+.DS_Store
+
+##############################
+## Miscellaneous
+##############################
+*.log

API-Gateway/pom.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>org.bank</groupId>
+        <artifactId>bank-parent</artifactId>
+        <version>1.0-SNAPSHOT</version>
+    </parent>
+
+    <artifactId>API-Gateway</artifactId>
+
+    <properties>
+        <maven.compiler.source>23</maven.compiler.source>
+        <maven.compiler.target>23</maven.compiler.target>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>io.jsonwebtoken</groupId>
+            <artifactId>jjwt-impl</artifactId>
+            <version>0.12.6</version>
+            <scope>runtime</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>io.jsonwebtoken</groupId>
+            <artifactId>jjwt-api</artifactId>
+            <version>0.12.6</version>
+        </dependency>
+
+        <dependency>
+            <groupId>io.jsonwebtoken</groupId>
+            <artifactId>jjwt-jackson</artifactId>
+            <version>0.12.6</version>
+            <scope>runtime</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>com.fasterxml.jackson.core</groupId>
+            <artifactId>jackson-databind</artifactId>
+            <version>2.19.0</version>
+        </dependency>
+
+        <dependency>
+            <groupId>com.fasterxml.jackson.core</groupId>
+            <artifactId>jackson-core</artifactId>
+            <version>2.19.0</version>
+        </dependency>
+
+        <dependency>
+            <groupId>com.fasterxml.jackson.core</groupId>
+            <artifactId>jackson-annotations</artifactId>
+            <version>2.19.0</version>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-security</artifactId>
+            <version>3.4.4</version>
+        </dependency>
+        <dependency>
+            <groupId>org.bank</groupId>
+            <artifactId>bank-infrastructure</artifactId>
+            <version>1.0-SNAPSHOT</version>
+            <scope>compile</scope>
+        </dependency>
+    </dependencies>
+
+</project>

API-Gateway/src/main/java/org/gateway/application/filters/JwtAuthFilter.java

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+package org.gateway.application.filters;
+
+import org.gateway.application.services.JwtServices;
+import org.gateway.application.services.UserDetailsServiceImpl;
+import jakarta.servlet.FilterChain;
+import jakarta.servlet.ServletException;
+import jakarta.servlet.http.HttpServletRequest;
+import jakarta.servlet.http.HttpServletResponse;
+import org.springframework.lang.NonNull;
+import lombok.RequiredArgsConstructor;
+import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
+import org.springframework.security.core.context.SecurityContextHolder;
+import org.springframework.security.core.userdetails.UserDetails;
+import org.springframework.security.web.authentication.WebAuthenticationDetailsSource;
+import org.springframework.stereotype.Component;
+import org.springframework.web.filter.OncePerRequestFilter;
+
+import java.io.IOException;
+
+@Component
+@RequiredArgsConstructor
+public class JwtAuthFilter extends OncePerRequestFilter {
+
+    private final JwtServices jwtService;
+    private final UserDetailsServiceImpl userDetailsService;
+
+    @Override
+    protected void doFilterInternal(@NonNull HttpServletRequest request,
+            @NonNull HttpServletResponse response,
+            @NonNull FilterChain chain)
+            throws IOException, ServletException {
+        final String authHeader = extractToken(request);
+        final String jwt;
+        final String login;
+
+        if (authHeader == null || !authHeader.startsWith("Bearer ")) {
+            chain.doFilter(request, response);
+            return;
+        }
+
+        jwt = authHeader.substring(7);
+        login = jwtService.extractLogin(jwt);
+
+        if (login != null && SecurityContextHolder.getContext().getAuthentication() == null) {
+            UserDetails userDetails = userDetailsService.loadUserByUsername(login);
+
+            if (jwtService.isTokenValid(jwt, userDetails)) {
+                UsernamePasswordAuthenticationToken authentication = new UsernamePasswordAuthenticationToken(
+                        userDetails, jwt,
+                        userDetails.getAuthorities());
+                authentication.setDetails(new WebAuthenticationDetailsSource().buildDetails(request));
+
+                SecurityContextHolder.getContext().setAuthentication(authentication);
+            }
+        }
+
+        chain.doFilter(request, response);
+    }
+
+    private String extractToken(HttpServletRequest request) {
+        String header = request.getHeader("Authorization");
+        return header != null && header.startsWith("Bearer ") ? header : null;
+    }
+}

API-Gateway/src/main/java/org/gateway/application/interfaces/AdminApi.java

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+package org.gateway.application.interfaces;
+
+import org.gateway.infrastructure.DTO.GatewayAccountDTO;
+import org.gateway.infrastructure.DTO.GatewayUserDTO;
+import org.gateway.infrastructure.requestEntities.CreateUserRequest;
+import org.springframework.security.core.Authentication;
+
+import java.util.List;
+
+public interface AdminApi {
+
+    void createClient(CreateUserRequest clientRequest, String password, Authentication auth);
+
+    List<GatewayUserDTO> getAllUsers(Authentication auth);
+
+    List<GatewayUserDTO> getAllUsersGenderFilter(String gender, Authentication auth);
+
+    List<GatewayUserDTO> getAllUsersHairColorFilter(String hairColor, Authentication auth);
+
+    GatewayUserDTO getUserById(long id, Authentication auth);
+
+    List<GatewayAccountDTO> getAllAccounts(Authentication auth);
+
+    List<GatewayAccountDTO> getAllUserAccounts(long id, Authentication auth);
+
+    GatewayAccountDTO getAccountById(long id, Authentication auth);
+}

API-Gateway/src/main/java/org/gateway/application/interfaces/ClientApi.java

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+package org.gateway.application.interfaces;
+
+import org.gateway.infrastructure.DTO.GatewayAccountDTO;
+import org.gateway.infrastructure.DTO.GatewayFriendsAccountsDTO;
+import org.gateway.infrastructure.DTO.GatewayUserDTO;
+import org.gateway.infrastructure.requestEntities.TransferRequest;
+import org.springframework.security.core.Authentication;
+
+import java.util.List;
+
+public interface ClientApi {
+    GatewayUserDTO getSelf(Authentication auth);
+
+    List<GatewayAccountDTO> getMyAccounts(Authentication auth);
+
+    GatewayAccountDTO getAccountById(Long id, Authentication auth);
+
+    List<GatewayFriendsAccountsDTO> getFriendsAccounts(Authentication auth);
+
+    void transfer(TransferRequest transferRequest, Authentication auth);
+
+    void addFriend(Long friendId, Authentication auth);
+
+    void removeFriend(Long friendId, Authentication auth);
+
+    void deposit(Long id, double amount, Authentication auth);
+
+    void withdraw(Long id, double amount, Authentication auth);
+}

API-Gateway/src/main/java/org/gateway/application/services/AdminServices.java

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+package org.gateway.application.services;
+
+import org.gateway.application.interfaces.AdminApi;
+import org.gateway.infrastructure.entities.GatewayUser;
+import org.gateway.infrastructure.entities.enums.Role;
+import org.gateway.infrastructure.repos.GatewayUserRepository;
+import org.gateway.infrastructure.requestEntities.CreateAdminRequest;
+import org.gateway.infrastructure.requestEntities.CreateUserRequest;
+import org.gateway.infrastructure.DTO.GatewayAccountDTO;
+import org.gateway.infrastructure.DTO.GatewayUserDTO;
+import jakarta.transaction.Transactional;
+import lombok.RequiredArgsConstructor;
+import org.springframework.security.core.Authentication;
+import org.springframework.security.crypto.password.PasswordEncoder;
+import org.springframework.stereotype.Service;
+import java.util.List;
+
+@Service
+@RequiredArgsConstructor
+public class AdminServices {
+    private final GatewayUserRepository gatewayUserRepository;
+    private final PasswordEncoder passwordEncoder;
+
+    private final AdminApi adminApi;
+
+    @Transactional
+    public void createAdmin(CreateAdminRequest admin) {
+        GatewayUser gatewayUser = new GatewayUser(admin.getLogin(),
+                passwordEncoder.encode(admin.getPassword()), List.of(Role.ADMIN));
+        gatewayUserRepository.save(gatewayUser);
+    }
+
+    @Transactional
+    public void createClient(CreateUserRequest clientRequest, String password, Authentication auth) {
+        GatewayUser entity = new GatewayUser(clientRequest.getLogin(),
+                passwordEncoder.encode(password), List.of(Role.CLIENT));
+        gatewayUserRepository.save(entity);
+        adminApi.createClient(clientRequest, password, auth);
+    }
+
+    public List<GatewayUserDTO> getAllUsers(Authentication auth) {
+        return adminApi.getAllUsers(auth);
+    }
+
+    public List<GatewayUserDTO> getAllUsersGenderFilter(String gender, Authentication auth) {
+        return adminApi.getAllUsersGenderFilter(gender, auth);
+    }
+
+    public List<GatewayUserDTO> getAllUsersHairColorFilter(String haircolor, Authentication auth) {
+        return adminApi.getAllUsersHairColorFilter(haircolor, auth);
+    }
+
+    public GatewayUserDTO getUserById(long id, Authentication auth) {
+        return adminApi.getUserById(id, auth);
+    }
+
+    public List<GatewayAccountDTO> getAllAccounts(Authentication auth) {
+        return adminApi.getAllAccounts(auth);
+    }
+
+    public List<GatewayAccountDTO> getAllUserAccounts(long user_id, Authentication auth) {
+        return adminApi.getAllUserAccounts(user_id, auth);
+    }
+
+    public GatewayAccountDTO getAccountById(long accountId, Authentication auth) {
+        return adminApi.getAccountById(accountId, auth);
+    }
+}