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SeunMattzhendrikse
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Updated Example Code for Apache Shiro (eugenp#2501)
* added updated example codes * updated example code StringToCharStream * deleted StringToCharStream.java locally * removed redundant file * added code for apache commons collection SetUtils * refactored example code * added example code for bytebuddy * added example code for PCollections * update pom * refactored tests for PCollections * spring security xml config * spring security xml config * remove redundant comment * example code for apache-shiro * updated example code for Vavr Collections * updated Vavr's Collection example * updated Vavr Collection file * updated example code for Apache Shiro
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Lines changed: 269 additions & 3 deletions

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‎apache-shiro/pom.xml‎

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<version>1.0-SNAPSHOT</version>
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<parent>
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<groupId>com.baeldung</groupId>
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<artifactId>parent-modules</artifactId>
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<version>1.0.0-SNAPSHOT</version>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-parent</artifactId>
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<version>1.5.2.RELEASE</version>
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</parent>
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<properties>
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</properties>
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<dependencies>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-web</artifactId>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-freemarker</artifactId>
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</dependency>
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<dependency>
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<groupId>org.apache.shiro</groupId>
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<artifactId>shiro-spring-boot-web-starter</artifactId>
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<version>${apache-shiro-core-version}</version>
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</dependency>
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<dependency>
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<groupId>org.apache.shiro</groupId>
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<artifactId>shiro-core</artifactId>

‎apache-shiro/src/main/java/com/baeldung/ShiroSpringApplication.java‎

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package com.baeldung;
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import org.apache.shiro.realm.Realm;
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import org.apache.shiro.spring.web.config.DefaultShiroFilterChainDefinition;
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import org.apache.shiro.spring.web.config.ShiroFilterChainDefinition;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.boot.SpringApplication;
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import org.springframework.boot.autoconfigure.SpringBootApplication;
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import org.springframework.context.annotation.Bean;
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/**
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* Created by smatt on 21/08/2017.
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*/
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@SpringBootApplication
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public class ShiroSpringApplication {
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private static final transient Logger log = LoggerFactory.getLogger(ShiroSpringApplication.class);
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public static void main(String... args) {
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SpringApplication.run(ShiroSpringApplication.class, args);
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}
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@Bean
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public Realm realm() {
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return new MyCustomRealm();
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}
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@Bean
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public ShiroFilterChainDefinition shiroFilterChainDefinition() {
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DefaultShiroFilterChainDefinition filter
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= new DefaultShiroFilterChainDefinition();
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filter.addPathDefinition("/secure", "authc");
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filter.addPathDefinition("/**", "anon");
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return filter;
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}
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}

‎apache-shiro/src/main/java/com/baeldung/controllers/ShiroSpringController.java‎

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package com.baeldung.controllers;
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import com.baeldung.models.UserCredentials;
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import org.apache.shiro.SecurityUtils;
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import org.apache.shiro.authc.AuthenticationException;
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import org.apache.shiro.authc.UsernamePasswordToken;
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import org.apache.shiro.subject.Subject;
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import org.springframework.stereotype.Controller;
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import org.springframework.ui.ModelMap;
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import org.springframework.web.bind.annotation.GetMapping;
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import org.springframework.web.bind.annotation.PostMapping;
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import org.springframework.web.bind.annotation.RequestMapping;
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import org.springframework.web.bind.annotation.RequestMethod;
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import org.springframework.web.servlet.mvc.support.RedirectAttributes;
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import javax.servlet.http.HttpServletRequest;
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@Controller
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public class ShiroSpringController {
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@GetMapping("/")
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public String index() {
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return "index";
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}
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@RequestMapping( value = "/login", method = {RequestMethod.GET, RequestMethod.POST})
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public String login(HttpServletRequest req, UserCredentials cred, RedirectAttributes attr) {
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if(req.getMethod().equals(RequestMethod.GET.toString())) {
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return "login";
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}
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else {
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Subject subject = SecurityUtils.getSubject();
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if(!subject.isAuthenticated()) {
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UsernamePasswordToken token = new UsernamePasswordToken(
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cred.getUsername(), cred.getPassword(), cred.isRememberMe());
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try {
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subject.login(token);
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} catch (AuthenticationException ae) {
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ae.printStackTrace();
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attr.addFlashAttribute("error", "Invalid Credentials");
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return "redirect:/login";
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}
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}
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return "redirect:/secure";
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}
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}
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@GetMapping("/secure")
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public String secure(ModelMap modelMap) {
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Subject currentUser = SecurityUtils.getSubject();
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String role = "", permission = "";
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if(currentUser.hasRole("admin")) {
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role = role + "You are an Admin";
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}
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else if(currentUser.hasRole("editor")) {
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role = role + "You are an Editor";
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}
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else if(currentUser.hasRole("author")) {
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role = role + "You are an Author";
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}
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if(currentUser.isPermitted("articles:compose")) {
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permission = permission + "You can compose an article, ";
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} else {
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permission = permission + "You are not permitted to compose an article!, ";
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}
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if(currentUser.isPermitted("articles:save")) {
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permission = permission + "You can save articles, ";
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} else {
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permission = permission + "\nYou can not save articles, ";
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}
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if(currentUser.isPermitted("articles:publish")) {
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permission = permission + "\nYou can publish articles";
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} else {
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permission = permission + "\nYou can not publish articles";
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}
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modelMap.addAttribute("username", currentUser.getPrincipal());
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modelMap.addAttribute("permission", permission);
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modelMap.addAttribute("role", role);
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return "secure";
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}
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@PostMapping("/logout")
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public String logout() {
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Subject subject = SecurityUtils.getSubject();
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subject.logout();
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return "redirect:/";
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}
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}

‎apache-shiro/src/main/java/com/baeldung/models/UserCredentials.java‎

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package com.baeldung.models;
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public class UserCredentials {
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private String username;
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private String password;
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private boolean rememberMe = false;
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public UserCredentials() {}
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public String getUsername() {
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return username;
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}
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public void setUsername(String username) {
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this.username = username;
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}
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public String getPassword() {
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return password;
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}
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public void setPassword(String password) {
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this.password = password;
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}
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public boolean isRememberMe() {
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return rememberMe;
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}
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public void setRememberMe(boolean rememberMe) {
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this.rememberMe = rememberMe;
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}
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@Override
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public String toString() {
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return "username = " + getUsername()
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+ "\nrememberMe = " + isRememberMe();
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}
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}

‎apache-shiro/src/main/resources/application.properties‎

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server.port=9000
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server.servlet-path=/
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server.context-path=/
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#shiro-spring-boot-config
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shiro.loginUrl = /login
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shiro.successUrl = /secure
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shiro.unauthorizedUrl = /login
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#freemarker
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spring.freemarker.suffix=.ftl

‎apache-shiro/src/main/resources/templates/index.ftl‎

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<html>
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<head>
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<title>Index</title>
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</head>
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<body>
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<h1>Welcome Guest!</h1>
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<br>
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<a href="/login">Login</a>
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</body>
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</html>

‎apache-shiro/src/main/resources/templates/login.ftl‎

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<html>
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<head>
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<title>Login</title>
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</head>
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<body style="margin-left: 30px;">
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<h3>Login</h3>
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<br>
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<form action="/login" method="post">
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<#if (error?length > 0)??>
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<p style="color:darkred;">${error}</p>
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<#else>
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</#if>
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<label for="username">Username</label>
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<br>
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<input type="text" name="username">
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<br><br>
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<label for="password">Password</label>
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<br>
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<input type="password" name="password">
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<br><br>
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<input type="checkbox" name="rememberMe"> Remember Me
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<br><br>
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<input type="submit" value="Submit">
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</form>
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</body>
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</html>

‎apache-shiro/src/main/resources/templates/secure.ftl‎

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<html>
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<head>
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<title>Secure</title>
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</head>
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<body style="margin-left: 30px;">
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<h1>Welcome ${username}!</h1>
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<p><strong>Role</strong>: ${role}</p>
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<p><strong>Permissions</strong></p>
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<p>${permission}</p>
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<br>
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<form role="form" action="/logout" method="POST">
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<input type="Submit" value="Logout" />
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</form>
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</body>
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</html>

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