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JWT
Commit c33e7a99 authored by Dantesh Pallapothu's avatar Dantesh Pallapothu
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JWT initial Commit

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.idea/.gitignore 0 → 100644
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/shelf/
/workspace.xml
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</option>
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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="Palette2">
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pom.xml 0 → 100644
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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>
<groupId>org.example</groupId>
<artifactId>jwt</artifactId>
<version>1.0-SNAPSHOT</version>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.1.1.RELEASE</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<properties>
<maven.compiler.source>8</maven.compiler.source>
<maven.compiler.target>8</maven.compiler.target>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-security</artifactId>
</dependency>
<dependency>
<groupId>io.jsonwebtoken</groupId>
<artifactId>jjwt</artifactId>
<version>0.9.1</version>
</dependency>
</dependencies>
</project>
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src/main/java/com/auth/example/JwtApplication.java 0 → 100644
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package com.auth.example;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
public class JwtApplication {
public static void main(String[] args) {
SpringApplication.run(JwtApplication.class, args);
}
}
src/main/java/com/auth/example/config/JwtAuthException.java 0 → 100644
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package com.auth.example.config;
import java.io.IOException;
import java.io.Serializable;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.web.AuthenticationEntryPoint;
import org.springframework.stereotype.Component;
@Component
public class JwtAuthException implements AuthenticationEntryPoint, Serializable {
private static final long serialVersionUID = -7858869558953243875L;
@Override
public void commence(HttpServletRequest request, HttpServletResponse response,
AuthenticationException authException) throws IOException {
response.sendError(HttpServletResponse.SC_UNAUTHORIZED, "Unauthorized");
}
}
src/main/java/com/auth/example/config/JwtRequestFilter.java 0 → 100644
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package com.auth.example.config;
import com.auth.example.service.JwtUserDetailsService;
import io.jsonwebtoken.ExpiredJwtException;
import java.io.IOException;
import javax.servlet.FilterChain;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.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.web.authentication.WebAuthenticationDetailsSource;
import org.springframework.stereotype.Component;
import org.springframework.web.filter.OncePerRequestFilter;
@Component
public class JwtRequestFilter extends OncePerRequestFilter {
@Autowired
private JwtUserDetailsService jwtUserDetailsService;
@Autowired
private JwtTokenUtil jwtTokenUtil;
@Override
protected void doFilterInternal(HttpServletRequest request, HttpServletResponse response, FilterChain chain)
throws ServletException, IOException {
final String requestTokenHeader = request.getHeader("Authorization");
String username = null;
String jwtToken = null;
if (requestTokenHeader != null && requestTokenHeader.startsWith("Bearer ")) {
jwtToken = requestTokenHeader.substring(7);
try {
username = jwtTokenUtil.getUsernameFromToken(jwtToken);
} catch (IllegalArgumentException e) {
System.out.println("Unable to get JWT Token");
} catch (ExpiredJwtException e) {
System.out.println("JWT Token has expired");
}
} else {
logger.warn("JWT Token does not begin with Bearer String");
}
if (username != null && SecurityContextHolder.getContext().getAuthentication() == null) {
UserDetails userDetails = this.jwtUserDetailsService.loadUserByUsername(username);
if (jwtTokenUtil.validateToken(jwtToken, userDetails)) {
UsernamePasswordAuthenticationToken usernamePasswordAuthenticationToken = new UsernamePasswordAuthenticationToken(
userDetails, null, userDetails.getAuthorities());
usernamePasswordAuthenticationToken
.setDetails(new WebAuthenticationDetailsSource().buildDetails(request));
SecurityContextHolder.getContext().setAuthentication(usernamePasswordAuthenticationToken);
}
}
chain.doFilter(request, response);
}
}
src/main/java/com/auth/example/config/JwtTokenUtil.java 0 → 100644
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package com.auth.example.config;
import io.jsonwebtoken.Claims;
import io.jsonwebtoken.Jwts;
import io.jsonwebtoken.SignatureAlgorithm;
import java.io.Serializable;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;
import java.util.function.Function;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.stereotype.Component;
@Component
public class JwtTokenUtil implements Serializable {
private static final long serialVersionUID = -2550185165626007488L;
public static final long JWT_TOKEN_VALIDITY = 5*60*60;
@Value("${jwt.secret}")
private String secret;
public String generateToken(UserDetails userDetails) {
Map<String, Object> claims = new HashMap<>();
return doGenerateToken(claims, userDetails.getUsername());
}
private String doGenerateToken(Map<String, Object> claims, String subject) {
return Jwts.builder().setClaims(claims).setSubject(subject).setIssuedAt(new Date(System.currentTimeMillis()))
.setExpiration(new Date(System.currentTimeMillis() + 300000)).signWith(SignatureAlgorithm.HS512, secret).compact();
}
public String getUsernameFromToken(String token) {
return getClaimFromToken(token, Claims::getSubject);
}
public Date getExpirationDateFromToken(String token) {
return getClaimFromToken(token, Claims::getExpiration);
}
public <T> T getClaimFromToken(String token, Function<Claims, T> claimsResolver) {
final Claims claims = getAllClaimsFromToken(token);
return claimsResolver.apply(claims);
}
private Claims getAllClaimsFromToken(String token) {
return Jwts.parser().setSigningKey(secret).parseClaimsJws(token).getBody();
}
private Boolean isTokenExpired(String token) {
final Date expiration = getExpirationDateFromToken(token);
return expiration.before(new Date());
}
public Boolean validateToken(String token, UserDetails userDetails) {
final String username = getUsernameFromToken(token);
return (username.equals(userDetails.getUsername()) && !isTokenExpired(token));
}
}
src/main/java/com/auth/example/config/NestBasedExample.java 0 → 100644
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package com.auth.example.config;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
public class NestBasedExample {
public void outerPublic() {
System.out.println("outer public example");
}
private void outerPrivate() {
System.out.println("outer private example");
}
public class A {
public void innerPublic() {
System.out.println("inner public method");
}
public void innerPublicReflection(Object obj)
throws NoSuchMethodException, InvocationTargetException, IllegalAccessException {
System.out.println("inner public reflection");
Method method = obj.getClass().getDeclaredMethod("outerPrivate");
method.invoke(obj);
}
}
public static void main(String[] args)
throws InvocationTargetException, NoSuchMethodException, IllegalAccessException {
NestBasedExample nestBasedExample = new NestBasedExample();
NestBasedExample.A a = nestBasedExample.new A();
a.innerPublic();
// a.innerPublicReflection(nestBasedExample);
System.out.println(NestBasedExample.class);
System.out.println(A.class);
}
}
src/main/java/com/auth/example/config/WebSecurityConfig.java 0 → 100644
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package com.auth.example.config;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.authentication.AuthenticationManager;
import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
import org.springframework.security.config.annotation.method.configuration.EnableGlobalMethodSecurity;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
import org.springframework.security.config.http.SessionCreationPolicy;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
import org.springframework.security.crypto.password.PasswordEncoder;
import org.springframework.security.web.authentication.UsernamePasswordAuthenticationFilter;
@Configuration
@EnableWebSecurity
@EnableGlobalMethodSecurity(prePostEnabled = true)
public class WebSecurityConfig extends WebSecurityConfigurerAdapter {
@Autowired
private JwtAuthException jwtAuthenticationEntryPoint;
@Autowired
private UserDetailsService jwtUserDetailsService;
@Autowired
private JwtRequestFilter jwtRequestFilter;
@Bean
public PasswordEncoder passwordEncoder() {
return new BCryptPasswordEncoder();
}
@Bean
@Override
public AuthenticationManager authenticationManagerBean() throws Exception {
return super.authenticationManagerBean();
}
@Override
protected void configure(HttpSecurity httpSecurity) throws Exception {
httpSecurity.csrf().disable()
.authorizeRequests().antMatchers("/authenticate").permitAll().
anyRequest().authenticated().and().
exceptionHandling().authenticationEntryPoint(jwtAuthenticationEntryPoint).and().sessionManagement()
.sessionCreationPolicy(SessionCreationPolicy.STATELESS);
httpSecurity.addFilterBefore(jwtRequestFilter, UsernamePasswordAuthenticationFilter.class);
}
}
src/main/java/com/auth/example/controller/JwtAuthenticationController.java 0 → 100644
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package com.auth.example.controller;
import com.auth.example.config.JwtTokenUtil;
import com.auth.example.model.User;
import com.auth.example.model.Token;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.ResponseEntity;
import org.springframework.security.authentication.AuthenticationManager;
import org.springframework.security.authentication.BadCredentialsException;
import org.springframework.security.authentication.DisabledException;
import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.web.bind.annotation.CrossOrigin;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RestController;
@RestController
@CrossOrigin
public class JwtAuthenticationController {
@Autowired
private AuthenticationManager authenticationManager;
@Autowired
private JwtTokenUtil jwtTokenUtil;
@Autowired
private UserDetailsService userDetailsService;
@RequestMapping(value = "/authenticate", method = RequestMethod.POST)
public ResponseEntity<?> createAuthenticationToken(@RequestBody User authenticationRequest)
throws Exception {
authenticate(authenticationRequest.getUsername(), authenticationRequest.getPassword());
final UserDetails userDetails = userDetailsService
.loadUserByUsername(authenticationRequest.getUsername());
final String token = jwtTokenUtil.generateToken(userDetails);
return ResponseEntity.ok(new Token(token));
}
private void authenticate(String username, String password) throws Exception {
try {
authenticationManager
.authenticate(new UsernamePasswordAuthenticationToken(username, password));
} catch (DisabledException e) {
throw new Exception("USER_DISABLED", e);
} catch (BadCredentialsException e) {
throw new Exception("INVALID_CREDENTIALS", e);
}
}
}
src/main/java/com/auth/example/controller/ProductController.java 0 → 100644
View file @ c33e7a99
package com.auth.example.controller;
import org.springframework.web.bind.annotation.CrossOrigin;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
@RestController
@CrossOrigin()
public class ProductController {
@RequestMapping({ "/product" })
public String hello() {
return "Product saved successfully";
}
}
src/main/java/com/auth/example/model/Token.java 0 → 100644
View file @ c33e7a99
package com.auth.example.model;
import java.io.Serializable;
public class Token implements Serializable {
private static final long serialVersionUID = -8091879091924046844L;
private final String jwttoken;
public Token(String jwttoken) {
this.jwttoken = jwttoken;
}
public String getToken() {
return this.jwttoken;
}
}
\ No newline at end of file
src/main/java/com/auth/example/model/User.java 0 → 100644
View file @ c33e7a99
package com.auth.example.model;
import java.io.Serializable;
public class User implements Serializable {
private static final long serialVersionUID = 5926468583005150707L;
private String username;
private String password;
public User() {
}
public User(String username, String password) {
this.setUsername(username);
this.setPassword(password);
}
public String getUsername() {
return this.username;
}
public void setUsername(String username) {
this.username = username;
}
public String getPassword() {
return this.password;
}
public void setPassword(String password) {
this.password = password;
}
}
\ No newline at end of file
src/main/java/com/auth/example/service/JwtUserDetailsService.java 0 → 100644
View file @ c33e7a99
package com.auth.example.service;
import java.util.ArrayList;
import org.springframework.security.core.userdetails.User;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.core.userdetails.UsernameNotFoundException;
import org.springframework.stereotype.Service;
@Service
public class JwtUserDetailsService implements UserDetailsService {
@Override
public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException {
if ("dantesh".equals(username)) {
return new User("dantesh", "$2a$10$slYQmyNdGzTn7ZLBXBChFOC9f6kFjAqPhccnP6DxlWXx2lPk1C3G6",
new ArrayList<>());
} else {
throw new UsernameNotFoundException("User not found with username: " + username);
}
}
}
\ No newline at end of file
src/main/resources/application.properties 0 → 100644
View file @ c33e7a99
jwt.secret=jwtiiiiiiiiii
\ No newline at end of file
target/classes/application.properties 0 → 100644
View file @ c33e7a99
jwt.secret=jwtiiiiiiiiii
\ No newline at end of file
target/maven-archiver/pom.properties 0 → 100644
View file @ c33e7a99
#Created by Apache Maven 3.6.3
version=1.0-SNAPSHOT
groupId=org.example
artifactId=jwt
target/maven-status/maven-compiler-plugin/compile/default-compile/createdFiles.lst 0 → 100644
View file @ c33e7a99
com\auth\example\config\JwtRequestFilter.class
com\auth\example\controller\JwtAuthenticationController.class
com\auth\example\JwtApplication.class
com\auth\example\model\Token.class
com\auth\example\config\JwtTokenUtil.class
com\auth\example\service\JwtUserDetailsService.class
com\auth\example\config\JwtAuthException.class
com\auth\example\config\WebSecurityConfig.class
com\auth\example\controller\ProductController.class
com\auth\example\model\User.class
target/maven-status/maven-compiler-plugin/compile/default-compile/inputFiles.lst 0 → 100644
View file @ c33e7a99
C:\Users\dpallapothu\Downloads\spring-boot-jwt-without-JPA\jwt\src\main\java\com\auth\example\config\JwtRequestFilter.java
C:\Users\dpallapothu\Downloads\spring-boot-jwt-without-JPA\jwt\src\main\java\com\auth\example\controller\ProductController.java
C:\Users\dpallapothu\Downloads\spring-boot-jwt-without-JPA\jwt\src\main\java\com\auth\example\model\User.java
C:\Users\dpallapothu\Downloads\spring-boot-jwt-without-JPA\jwt\src\main\java\com\auth\example\config\JwtAuthException.java
C:\Users\dpallapothu\Downloads\spring-boot-jwt-without-JPA\jwt\src\main\java\com\auth\example\config\JwtTokenUtil.java
C:\Users\dpallapothu\Downloads\spring-boot-jwt-without-JPA\jwt\src\main\java\com\auth\example\model\Token.java
C:\Users\dpallapothu\Downloads\spring-boot-jwt-without-JPA\jwt\src\main\java\com\auth\example\service\JwtUserDetailsService.java
C:\Users\dpallapothu\Downloads\spring-boot-jwt-without-JPA\jwt\src\main\java\com\auth\example\config\WebSecurityConfig.java
C:\Users\dpallapothu\Downloads\spring-boot-jwt-without-JPA\jwt\src\main\java\com\auth\example\controller\JwtAuthenticationController.java
C:\Users\dpallapothu\Downloads\spring-boot-jwt-without-JPA\jwt\src\main\java\com\auth\example\JwtApplication.java
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