small changes

.idea/misc.xml

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="ExternalStorageConfigurationManager" enabled="true" />
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_11" default="false" project-jdk-name="12" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_11" default="false" project-jdk-name="11" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/out" />
   </component>
 </project>

build.gradle

@@ -6,7 +6,7 @@ plugins {
 
 group = 'ch.usi.inf.sa4.sanmarinoes.'
 version = '0.0.1-SNAPSHOT'
-sourceCompatibility = '11'
+sourceCompatibility = "11"
 
 repositories {
 	mavenCentral()
@@ -16,7 +16,9 @@ dependencies {
 	compile 'org.hibernate.javax.persistence:hibernate-jpa-2.1-api:1.0.0.Final'
 	implementation 'org.springframework.boot:spring-boot-starter'
 	implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
+	implementation 'org.springframework.security:spring-security-web'
 	implementation 'org.postgresql:postgresql'
+	
 	implementation('org.springframework.boot:spring-boot-starter-web') {
 		exclude group: 'org.springframework.boot', module: 'spring-boot-starter-json'
 	}

src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/SmarthutApplication.java

@@ -2,8 +2,10 @@ package ch.usi.inf.sa4.sanmarinoes.smarthut;
 
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.data.jpa.repository.config.EnableJpaRepositories;
 
 @SpringBootApplication
+@EnableJpaRepositories("ch.usi.inf.sa4.sanmarinoes.smarthut.models")
 public class SmarthutApplication {
     public static void main(String[] args) {
         SpringApplication.run(SmarthutApplication.class, args);

src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/models/SecurityService.java

@@ -0,0 +1,42 @@
+package ch.usi.inf.sa4.sanmarinoes.smarthut.models;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.security.authentication.AuthenticationManager;
+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;
+
+public class SecurityService {
+    @Autowired private AuthenticationManager manager;
+
+    @Autowired private UserDetailsService service;
+
+    private Logger logger = LoggerFactory.getLogger(SecurityService.class);
+
+    public String loggedUser() {
+        Object details = SecurityContextHolder.getContext().getAuthentication().getDetails();
+        if (details instanceof UserDetails) {
+            return ((UserDetails) details).getUsername();
+        } else {
+            return null;
+        }
+    }
+
+    public void autoLogin(String username, String password) {
+        UserDetails userDetails = service.loadUserByUsername(username);
+        UsernamePasswordAuthenticationToken usernamePasswordAuthenticationToken =
+                new UsernamePasswordAuthenticationToken(
+                        userDetails, password, userDetails.getAuthorities());
+
+        manager.authenticate(usernamePasswordAuthenticationToken);
+
+        if (usernamePasswordAuthenticationToken.isAuthenticated()) {
+            SecurityContextHolder.getContext()
+                    .setAuthentication(usernamePasswordAuthenticationToken);
+            logger.debug(String.format("Auto login %s successfully!", username));
+        }
+    }
+}

src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/models/User.java

@@ -15,8 +15,11 @@ public class User {
     /** The full name of the user */
     @Column private String name;
 
+    /** The full name of the user */
+    @Column private String username;
+
     /** A properly salted way to store the password TODO: define the implementation of salt */
-    @Column private String hashedPassword;
+    @Column private String password;
 
     /** The user's email TODO: validate email in setters */
     @Column private String email;
@@ -37,6 +40,14 @@ public class User {
         return name;
     }
 
+    public String getUsername() {
+        return username;
+    }
+
+    public void setUsername(String username) {
+        this.username = username;
+    }
+
     public void setName(String name) {
         this.name = name;
     }
@@ -49,12 +60,12 @@ public class User {
         this.email = email;
     }
 
-    public String getHashedPassword() {
-        return hashedPassword;
+    public String getPassword() {
+        return password;
     }
 
-    public void setHashedPassword(String hashedPassword) {
-        this.hashedPassword = hashedPassword;
+    public void setPassword(String password) {
+        this.password = password;
     }
 
     public Set<Room> getRooms() {
@@ -69,8 +80,8 @@ public class User {
                 + ", name='"
                 + name
                 + '\''
-                + ", hashedPassword='"
-                + hashedPassword
+                + ", password='"
+                + password
                 + '\''
                 + ", email='"
                 + email

src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/models/UserDetailsServiceImpl.java

@@ -0,0 +1,25 @@
+package ch.usi.inf.sa4.sanmarinoes.smarthut.models;
+
+import java.util.Set;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.security.core.*;
+import org.springframework.security.core.authority.SimpleGrantedAuthority;
+import org.springframework.security.core.userdetails.UserDetails;
+import org.springframework.security.core.userdetails.UserDetailsService;
+import org.springframework.security.core.userdetails.UsernameNotFoundException;
+
+public class UserDetailsServiceImpl implements UserDetailsService {
+    @Autowired private UserRepository repository;
+
+    @Override
+    public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException {
+        User toReturn = repository.findByUsername(username);
+        if (toReturn != null) {
+            Set<GrantedAuthority> authoritySet = Set.of(new SimpleGrantedAuthority("user"));
+            return new org.springframework.security.core.userdetails.User(
+                    toReturn.getUsername(), toReturn.getPassword(), authoritySet);
+        } else {
+            throw new UsernameNotFoundException(username);
+        }
+    }
+}

src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/models/UserRepository.java

@@ -2,4 +2,6 @@ package ch.usi.inf.sa4.sanmarinoes.smarthut.models;
 
 import org.springframework.data.repository.CrudRepository;
 
-public interface UserRepository extends CrudRepository<User, Long> {}
+public interface UserRepository extends CrudRepository<User, Long> {
+    User findByUsername(String username);
+}

src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/models/UserService.java

@@ -0,0 +1,22 @@
+package ch.usi.inf.sa4.sanmarinoes.smarthut.models;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
+import org.springframework.stereotype.Service;
+
+@Service
+public class UserService {
+
+    @Autowired private UserRepository userRepository;
+
+    @Autowired private BCryptPasswordEncoder bCryptPasswordEncoder;
+
+    public void save(User user) {
+        user.setPassword(bCryptPasswordEncoder.encode(user.getPassword()));
+        userRepository.save(user);
+    }
+
+    public User findByUsername(String username) {
+        return userRepository.findByUsername(username);
+    }
+}