Add application creation route.

src/main/java/org/cerberus/controllers/ApplicationController.java

@@ -0,0 +1,31 @@
+package org.cerberus.controllers;
+
+import org.cerberus.entities.persistence.Application;
+import org.cerberus.entities.persistence.User;
+import org.cerberus.services.ApplicationService;
+import org.cerberus.services.SecurityService;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.security.Principal;
+
+@RestController
+@RequestMapping("/api/applications")
+public class ApplicationController {
+    private ApplicationService applicationService;
+    private SecurityService securityService;
+
+    public ApplicationController(ApplicationService applicationService,
+                                 SecurityService securityService) {
+        this.applicationService = applicationService;
+        this.securityService = securityService;
+    }
+
+    @PostMapping
+    public Application create(@RequestBody Application application, Principal connectedUser) {
+        User user = securityService.getAdminUser(connectedUser);
+        return applicationService.create(application, user);
+    }
+}

src/main/java/org/cerberus/controllers/UserController.java

@@ -1,13 +1,9 @@
 package org.cerberus.controllers;
 
-import org.cerberus.core.config.security.CustomAuthenticationProvider;
 import org.cerberus.entities.dto.SignUpDTO;
 import org.cerberus.entities.persistence.User;
-import org.cerberus.repositories.UserRepository;
 import org.cerberus.services.UserService;
-import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
 import org.springframework.security.core.Authentication;
-import org.springframework.security.core.authority.SimpleGrantedAuthority;
 import org.springframework.security.core.context.SecurityContextHolder;
 import org.springframework.security.web.authentication.logout.SecurityContextLogoutHandler;
 import org.springframework.web.bind.annotation.*;
@@ -15,6 +11,8 @@ import org.springframework.web.bind.annotation.*;
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 
+import static org.springframework.http.HttpStatus.NO_CONTENT;
+
 @RestController
 @RequestMapping("/api/users")
 public class UserController {
@@ -25,23 +23,23 @@ public class UserController {
     }
 
     @PostMapping("/login")
-    public void login(@RequestBody User user, HttpServletResponse response) {
+    @ResponseStatus(NO_CONTENT)
+    public void login(@RequestBody User user) {
         userService.authenticate(user);
-        response.setStatus(HttpServletResponse.SC_NO_CONTENT);
     }
 
     @GetMapping("/disconnection")
+    @ResponseStatus(NO_CONTENT)
     public void disconnection(HttpServletRequest request, HttpServletResponse response) {
         final Authentication auth = SecurityContextHolder.getContext().getAuthentication();
         if(auth != null) {
             new SecurityContextLogoutHandler().logout(request, response, auth);
         }
-        response.setStatus(HttpServletResponse.SC_NO_CONTENT);
     }
 
     @PostMapping("/signup")
-    public void signUp(@RequestBody SignUpDTO inputData, HttpServletResponse response) {
+    @ResponseStatus(NO_CONTENT)
+    public void signUp(@RequestBody SignUpDTO inputData) {
         userService.signUp(inputData);
-        response.setStatus(HttpServletResponse.SC_NO_CONTENT);
     }
 }

src/main/java/org/cerberus/core/config/security/SecurityConfiguration.java

@@ -1,5 +1,6 @@
 package org.cerberus.core.config.security;
 
+import org.cerberus.core.constant.RoleSecurity;
 import org.springframework.boot.autoconfigure.security.SecurityProperties;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.core.annotation.Order;
@@ -19,7 +20,10 @@ import static org.springframework.http.HttpMethod.POST;
 
 @Configuration
 @EnableWebSecurity
-@EnableGlobalMethodSecurity(prePostEnabled = true)
+@EnableGlobalMethodSecurity(
+		prePostEnabled = true,
+		securedEnabled = true
+)
 @Order(SecurityProperties.BASIC_AUTH_ORDER)
 public class SecurityConfiguration extends WebSecurityConfigurerAdapter {
 	
@@ -41,8 +45,9 @@ public class SecurityConfiguration extends WebSecurityConfigurerAdapter {
 	
 	@Override
 	protected void configure(HttpSecurity http) throws Exception {
-		http.authorizeRequests()
-			// Permits all
+		http.httpBasic()
+			.and()
+			.authorizeRequests()
 			.antMatchers(
 				"/robots.txt"
 			).permitAll()
@@ -51,8 +56,10 @@ public class SecurityConfiguration extends WebSecurityConfigurerAdapter {
 			).permitAll()
 			.antMatchers(POST,
 				"/api/users/login",
-				"/api/users/signup"
+				"/api/users/signup",
+				"/api/applications"
 			).permitAll()
+			.antMatchers("/api/**").authenticated()
 			.anyRequest().permitAll()
 			.and()
 			// Allow to avoid login form at authentication failure from Angular app
@@ -60,9 +67,8 @@ public class SecurityConfiguration extends WebSecurityConfigurerAdapter {
 			.and()
 			.addFilterAfter(new XSRFTokenFilter(), CsrfFilter.class)
 			.csrf()
-			.csrfTokenRepository(xsrfTokenRepository());
-		http.httpBasic();
-		http.csrf().disable();
+			.csrfTokenRepository(xsrfTokenRepository())
+			.disable();
 	}
 	
 	private CsrfTokenRepository xsrfTokenRepository() {

src/main/java/org/cerberus/core/exceptions/ForbiddenException.java

@@ -0,0 +1,16 @@
+package org.cerberus.core.exceptions;
+
+
+import org.springframework.http.HttpStatus;
+import org.springframework.web.bind.annotation.ResponseStatus;
+
+@ResponseStatus(value = HttpStatus.FORBIDDEN)
+public class ForbiddenException extends BusinessException {
+    public ForbiddenException(String message) {
+        super(message);
+    }
+
+    public ForbiddenException(String message, Throwable cause) {
+        super(message, cause);
+    }
+}

src/main/java/org/cerberus/core/exceptions/InternalServerErrorException.java

@@ -0,0 +1,16 @@
+package org.cerberus.core.exceptions;
+
+
+import org.springframework.http.HttpStatus;
+import org.springframework.web.bind.annotation.ResponseStatus;
+
+@ResponseStatus(value = HttpStatus.INTERNAL_SERVER_ERROR)
+public class InternalServerErrorException extends BusinessException {
+    public InternalServerErrorException(String message) {
+        super(message);
+    }
+
+    public InternalServerErrorException(String message, Throwable cause) {
+        super(message, cause);
+    }
+}

src/main/java/org/cerberus/entities/persistence/Application.java

@@ -3,6 +3,7 @@ package org.cerberus.entities.persistence;
 import org.hibernate.annotations.Proxy;
 
 import javax.persistence.*;
+import java.util.LinkedList;
 import java.util.List;
 import java.util.UUID;
 
@@ -19,10 +20,10 @@ public class Application {
     @Column(nullable = false)
     private String serviceName;
 
-    @OneToMany(mappedBy = "application")
+    @OneToMany(mappedBy = "application", cascade = CascadeType.ALL)
     private List<ConfigurationFile> configurationFileList;
 
-    @OneToMany(mappedBy = "application")
+    @OneToMany(mappedBy = "application", cascade = CascadeType.ALL)
     private List<ApplicationRole> administratorList;
 
     @PrePersist
@@ -55,6 +56,9 @@ public class Application {
     }
 
     public List<ConfigurationFile> getConfigurationFileList() {
+        if(configurationFileList == null) {
+            configurationFileList = new LinkedList<>();
+        }
         return configurationFileList;
     }
 
@@ -63,6 +67,9 @@ public class Application {
     }
 
     public List<ApplicationRole> getAdministratorList() {
+        if(administratorList == null) {
+            administratorList = new LinkedList<>();
+        }
         return administratorList;
     }
 

src/main/java/org/cerberus/entities/persistence/ApplicationRole.java

@@ -73,6 +73,7 @@ public class ApplicationRole {
     }
 
     public void setUser(User user) {
+        getId().setUserId(user.getId());
         this.user = user;
     }
 
@@ -81,6 +82,7 @@ public class ApplicationRole {
     }
 
     public void setApplication(Application application) {
+        getId().setApplicationId(application.getId());
         this.application = application;
     }
 }

src/main/java/org/cerberus/entities/persistence/User.java

@@ -72,7 +72,7 @@ public class User {
         this.password = password;
     }
 
-    public Boolean getAdmin() {
+    public Boolean isAdmin() {
         return isAdmin;
     }
 

src/main/java/org/cerberus/repositories/ApplicationRepository.java

@@ -0,0 +1,9 @@
+package org.cerberus.repositories;
+
+import org.cerberus.entities.persistence.Application;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+import java.util.UUID;
+
+public interface ApplicationRepository extends JpaRepository<Application, UUID> {
+}

src/main/java/org/cerberus/repositories/ApplicationRoleRepository.java

@@ -0,0 +1,11 @@
+package org.cerberus.repositories;
+
+import org.cerberus.entities.persistence.ApplicationRole;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+
+import java.util.UUID;
+
+@Repository
+public interface ApplicationRoleRepository extends JpaRepository<ApplicationRole, UUID> {
+}

src/main/java/org/cerberus/repositories/UserRepository.java

@@ -8,8 +8,9 @@ import org.springframework.data.repository.query.Param;
 
 import java.util.List;
 import java.util.Optional;
+import java.util.UUID;
 
-public interface UserRepository extends JpaRepository<User, String> {
+public interface UserRepository extends JpaRepository<User, UUID> {
     @Query("SELECT u FROM User u WHERE u.email = :email")
     Optional<User> findByEmail(@Param("email") String email);
 
@@ -18,4 +19,7 @@ public interface UserRepository extends JpaRepository<User, String> {
 
     @Query(value = "SELECT EXISTS(SELECT id FROM \"user\" WHERE email = :email)", nativeQuery = true)
     boolean isEmailAlreadyExists(@Param("email") String email);
+
+    @Query("SELECT isAdmin FROM User u WHERE u.id = :id")
+    boolean isAdmin(UUID id);
 }

src/main/java/org/cerberus/services/ApplicationRoleService.java

@@ -0,0 +1,26 @@
+package org.cerberus.services;
+
+import org.cerberus.core.constant.Role;
+import org.cerberus.entities.persistence.Application;
+import org.cerberus.entities.persistence.ApplicationRole;
+import org.cerberus.entities.persistence.User;
+import org.cerberus.repositories.ApplicationRoleRepository;
+import org.springframework.stereotype.Service;
+
+@Service
+public class ApplicationRoleService {
+    private ApplicationRoleRepository applicationRoleRepository;
+
+    public ApplicationRoleService(ApplicationRoleRepository applicationRoleRepository) {
+        this.applicationRoleRepository = applicationRoleRepository;
+    }
+
+    public void create(Application application, User user, Role role) {
+        ApplicationRole applicationRole = new ApplicationRole();
+        applicationRole.setApplication(application);
+        applicationRole.setUser(user);
+        applicationRole.setRole(role);
+
+        applicationRoleRepository.save(applicationRole);
+    }
+}

src/main/java/org/cerberus/services/ApplicationService.java

@@ -0,0 +1,40 @@
+package org.cerberus.services;
+
+import org.cerberus.core.constant.Role;
+import org.cerberus.core.exceptions.InternalServerErrorException;
+import org.cerberus.entities.persistence.Application;
+import org.cerberus.entities.persistence.ApplicationRole;
+import org.cerberus.entities.persistence.User;
+import org.cerberus.repositories.ApplicationRepository;
+import org.cerberus.validators.ApplicationValidator;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+import static org.cerberus.core.constant.Role.MAINTAINER;
+
+@Service
+public class ApplicationService {
+
+    private ApplicationRepository applicationRepository;
+    private ApplicationRoleService applicationRoleService;
+    private ApplicationValidator applicationValidator;
+
+    public ApplicationService(ApplicationRepository applicationRepository,
+                              ApplicationRoleService applicationRoleService,
+                              ApplicationValidator applicationValidator) {
+        this.applicationRepository = applicationRepository;
+        this.applicationRoleService = applicationRoleService;
+        this.applicationValidator = applicationValidator;
+    }
+
+    @Transactional
+    public Application create(Application application, User user) {
+        applicationValidator.checkAllAttributsConstraints(application);
+
+        applicationRepository.save(application);
+        // Application creator is by default a maintainer
+        applicationRoleService.create(application, user, MAINTAINER);
+
+        return application;
+    }
+}

src/main/java/org/cerberus/services/SecurityService.java

@@ -0,0 +1,42 @@
+package org.cerberus.services;
+
+import org.cerberus.core.exceptions.ForbiddenException;
+import org.cerberus.entities.persistence.User;
+import org.springframework.security.core.context.SecurityContextHolder;
+import org.springframework.stereotype.Service;
+
+import java.security.Principal;
+import java.util.Optional;
+
+@Service
+public class SecurityService {
+
+    private UserService userService;
+
+    public SecurityService(UserService userService) {
+        this.userService = userService;
+    }
+
+    /**
+     * Returns the connected user if he's an administrator. Otherwise, a {@link ForbiddenException} will be thrown.
+     * @param connectedUser The connectedUser
+     */
+    public User getAdminUser(Principal connectedUser) {
+        Optional<User> user = getUserByPrincipal(connectedUser);
+        if(user.isEmpty() || !userService.isAdmin(user.get())) {
+            throw new ForbiddenException("Illegal access attempt.");
+        }
+        return user.get();
+    }
+
+    public Optional<User> getUserByPrincipal(final Principal pPrincipal) {
+        Optional<User> result = Optional.empty();
+
+        if(pPrincipal != null) {
+            SecurityContextHolder.getContext().getAuthentication();
+            result = userService.findByEmail(pPrincipal.getName());
+        }
+
+        return result;
+    }
+}

src/main/java/org/cerberus/services/UserService.java

@@ -2,6 +2,7 @@ package org.cerberus.services;
 
 import org.cerberus.core.constant.Role;
 import org.cerberus.core.config.security.CustomAuthenticationProvider;
+import org.cerberus.core.constant.RoleSecurity;
 import org.cerberus.core.exceptions.BadRequestException;
 import org.cerberus.entities.dto.SignUpDTO;
 import org.cerberus.entities.persistence.ApplicationRole;
@@ -36,29 +37,38 @@ public class UserService {
     }
 
     public void authenticate(User user) {
-        checkCredentials(user.getEmail(), user.getPassword());
+        User authenticatedUser = checkCredentials(user.getEmail(), user.getPassword());
 
         authenticationProvider.authenticate(new UsernamePasswordAuthenticationToken(
                 user.getEmail(),
                 user.getPassword(),
-                fetchGrantedAuthorities(user)
+                fetchGrantedAuthorities(authenticatedUser)
         ));
     }
 
-    void checkCredentials(String email, String password) {
+    User checkCredentials(String email, String password) {
         Optional<User> optUser = userRepository.findByEmail(email);
 
         if(optUser.isEmpty() || !optUser.get().getPassword().equals(password)) {
             throw new BadRequestException("Credentials are incorrect.");
         }
+
+        return optUser.get();
     }
 
     Collection<GrantedAuthority> fetchGrantedAuthorities(User user) {
-        return userRepository.getApplicationRolesByEmail(user.getEmail()).stream()
+        Collection<GrantedAuthority> grantedAuthorityCollection = userRepository.getApplicationRolesByEmail(user.getEmail())
+                .stream()
                 .map(ApplicationRole::getRole)
                 .map(Role::name)
                 .map(SimpleGrantedAuthority::new)
                 .collect(Collectors.toSet());
+
+        if(user.isAdmin()) {
+            grantedAuthorityCollection.add(new SimpleGrantedAuthority(RoleSecurity.ADMIN));
+        }
+
+        return grantedAuthorityCollection;
     }
 
     public void signUp(SignUpDTO inputData) {
@@ -70,4 +80,12 @@ public class UserService {
 
         userRepository.save(signUpMapper.toUser(inputData));
     }
+
+    public boolean isAdmin(User user) {
+        return userRepository.isAdmin(user.getId());
+    }
+
+    public Optional<User> findByEmail(String email) {
+        return userRepository.findByEmail(email);
+    }
 }

src/main/java/org/cerberus/validators/ApplicationValidator.java

@@ -0,0 +1,17 @@
+package org.cerberus.validators;
+
+import org.cerberus.core.exceptions.BadRequestException;
+import org.cerberus.core.utils.StringUtils;
+import org.cerberus.entities.persistence.Application;
+import org.springframework.stereotype.Component;
+
+@Component
+public class ApplicationValidator {
+
+    public void checkAllAttributsConstraints(Application application) {
+        if(StringUtils.isNull(application.getName())
+                || StringUtils.isNull(application.getServiceName())) {
+            throw new BadRequestException("Please fill up all required fields.");
+        }
+    }
+}