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Merged
dawiddykacz merged 2 commits into from
Apr 20, 2026
Merged

Task 5 register module, setup JWT authentication, exception handling #7

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8bdf885
Task 3 register module, setup JWT authentication, exception handling
invalid-email-address Apr 19, 2026
d8ea2ef
Task 5 fixed props file
invalid-email-address Apr 19, 2026
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14 changes: 14 additions & 0 deletions docker-compose.yml
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version: "3.9"

services:
mysql:
image: mysql:8.0
container_name: mysql-db
restart: always
environment:
MYSQL_ROOT_PASSWORD: root123
MYSQL_DATABASE: mydb
MYSQL_USER: user
MYSQL_PASSWORD: user123
ports:
- "3306:3306"
208 changes: 107 additions & 101 deletions pom.xml
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@@ -1,107 +1,113 @@
<?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 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>4.0.1</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<groupId>pl.milosnicyIT</groupId>
<artifactId>code-warehouse-backend</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>code-warehouse-backend</name>
<description>code-warehouse-backend</description>
<url/>
<licenses>
<license/>
</licenses>
<developers>
<developer/>
</developers>
<scm>
<connection/>
<developerConnection/>
<tag/>
<url/>
</scm>
<properties>
<java.version>17</java.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-jpa</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-security</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-webmvc</artifactId>
</dependency>
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>4.0.1</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<groupId>pl.milosnicyIT</groupId>
<artifactId>code-warehouse-backend</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>code-warehouse-backend</name>
<description>code-warehouse-backend</description>
<url/>
<licenses>
<license/>
</licenses>
<developers>
<developer/>
</developers>
<scm>
<connection/>
<developerConnection/>
<tag/>
<url/>
</scm>
<properties>
<java.version>17</java.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-jpa</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-security</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-webmvc</artifactId>
</dependency>

<dependency>
<groupId>com.h2database</groupId>
<artifactId>h2</artifactId>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>com.mysql</groupId>
<artifactId>mysql-connector-j</artifactId>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-jpa-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-security-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-webmvc-test</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
<dependency>
<groupId>com.h2database</groupId>
<artifactId>h2</artifactId>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>com.mysql</groupId>
<artifactId>mysql-connector-j</artifactId>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-jpa-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-security-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-webmvc-test</artifactId>
<scope>test</scope>
</dependency>
<!-- https://mvnrepository.com/artifact/io.jsonwebtoken/jjwt -->
<dependency>
<groupId>io.jsonwebtoken</groupId>
<artifactId>jjwt</artifactId>
<version>0.12.6</version>
</dependency>
</dependencies>

<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<configuration>
<annotationProcessorPaths>
<path>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
</path>
</annotationProcessorPaths>
</configuration>
</plugin>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<configuration>
<excludes>
<exclude>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
</exclude>
</excludes>
</configuration>
</plugin>
</plugins>
</build>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<configuration>
<annotationProcessorPaths>
<path>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
</path>
</annotationProcessorPaths>
</configuration>
</plugin>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<configuration>
<excludes>
<exclude>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
</exclude>
</excludes>
</configuration>
</plugin>
</plugins>
</build>

</project>
34 changes: 34 additions & 0 deletions src/main/java/org/commons/login/Password.java
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package org.commons.login;

import lombok.NonNull;

import java.util.Objects;

public class Password {
private final String password;

public Password(@NonNull final String password) {
if (password.length() < 15) throw new IllegalArgumentException("Password must have at least 15 characters");
if (password.contains(" ")) throw new IllegalArgumentException("Password must not contain spaces");

this.password = password;
}

@Override
public String toString() {
return this.password;
}

@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
Password password1 = (Password) o;
return Objects.equals(password, password1.password);
}

@Override
public int hashCode() {
return Objects.hashCode(password);
}
}
34 changes: 34 additions & 0 deletions src/main/java/org/commons/login/Username.java
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package org.commons.login;

import lombok.NonNull;

import java.util.Objects;

public class Username {
private final String username;

public Username(@NonNull final String username) {
if (username.length() < 3) throw new IllegalArgumentException("Username must have at least 3 characters");
if (username.contains(" ")) throw new IllegalArgumentException("Username must not contain spaces");

this.username = username;
}

@Override
public String toString() {
return this.username;
}

@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
Username username1 = (Username) o;
return Objects.equals(username, username1.username);
}

@Override
public int hashCode() {
return Objects.hashCode(username);
}
}
57 changes: 57 additions & 0 deletions src/main/java/pl/milosnicyit/codewarehousebackend/config/auth/JWTAuthFilter.java
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package pl.milosnicyit.codewarehousebackend.config.auth;


import jakarta.servlet.FilterChain;
import jakarta.servlet.ServletException;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.stereotype.Component;
import org.springframework.web.filter.OncePerRequestFilter;
import pl.milosnicyit.codewarehousebackend.jwt.JWTService;

import java.io.IOException;

@Component
public class JWTAuthFilter extends OncePerRequestFilter {
private final JWTService jwtService;
private final UserDetailsService userDetailsService;

@Autowired
public JWTAuthFilter(JWTService jwtService, UserDetailsService userDetailsService) {
this.jwtService = jwtService;
this.userDetailsService = userDetailsService;
}

@Override
protected void doFilterInternal(HttpServletRequest request, HttpServletResponse response, FilterChain filterChain) throws ServletException, IOException, ServletException, IOException {
String authorization = request.getHeader("Authorization");

if (authorization != null && authorization.startsWith("Bearer ")) {
String token = authorization.substring(7);
try {
String login = this.jwtService.extractLogin(token);
if (login != null && SecurityContextHolder.getContext().getAuthentication() == null) {
UserDetails userDetails = this.userDetailsService.loadUserByUsername(login);

if (this.jwtService.validateToken(token)) {
UsernamePasswordAuthenticationToken authentication = new UsernamePasswordAuthenticationToken(
userDetails, null, userDetails.getAuthorities()
);

SecurityContextHolder.getContext().setAuthentication(authentication);
}
}

} catch (final Exception exception) {
exception.printStackTrace();
}
}

filterChain.doFilter(request, response);
}
}
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