feat: add cors config and refresh token api

issue #46

java-api/src/main/java/br/com/tasknoteapp/java_api/config/CorsConfig.java

@@ -0,0 +1,34 @@
+package br.com.tasknoteapp.java_api.config;
+
+import java.util.Arrays;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.lang.NonNull;
+import org.springframework.web.servlet.config.annotation.CorsRegistry;
+import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
+
+/** This class contains configurations for CORS management. */
+@Slf4j
+@Configuration
+public class CorsConfig implements WebMvcConfigurer {
+
+  @Value("${cors.allowed-origins}")
+  private String[] allowedOrigins;
+
+  /**
+   * Add CORS mappings configuration.
+   * 
+   * @param registry CorsRegistry instance.
+   */
+  public void addCorsMappings(@NonNull CorsRegistry registry) {
+    if (allowedOrigins != null && allowedOrigins.length > 0) {
+      log.info("CORS policy allowed origins: {}", Arrays.asList(allowedOrigins));
+
+      registry
+          .addMapping("/**")
+          .allowedOrigins(allowedOrigins)
+          .allowedMethods("GET", "PUT", "POST", "DELETE", "OPTIONS", "HEAD", "PATCH");
+    }
+  }
+}

java-api/src/main/java/br/com/tasknoteapp/java_api/controller/UserController.java

@@ -13,6 +13,7 @@ import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 
+/** This class contains resources for handling users admin requests. */
 @RestController
 @RequestMapping("/rest/users")
 @AllArgsConstructor

java-api/src/main/java/br/com/tasknoteapp/java_api/controller/UserSessionController.java

@@ -0,0 +1,50 @@
+package br.com.tasknoteapp.java_api.controller;
+
+import br.com.tasknoteapp.java_api.exception.UserNotFoundException;
+import br.com.tasknoteapp.java_api.response.JwtAuthenticationResponse;
+import br.com.tasknoteapp.java_api.service.AuthService;
+import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.media.Content;
+import io.swagger.v3.oas.annotations.media.Schema;
+import io.swagger.v3.oas.annotations.responses.ApiResponse;
+import io.swagger.v3.oas.annotations.tags.Tag;
+import lombok.AllArgsConstructor;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+/** This class contains resources for handling user sessions. */
+@RestController
+@RequestMapping("/rest/user-sessions")
+@AllArgsConstructor
+@Tag(name = "User Sessions", description = "Resources to handle user sessions.")
+public class UserSessionController {
+
+  private final AuthService authService;
+
+  /**
+   * Refresh an existing user session, generating a new token.
+   *
+   * @return JwtAuthenticationResponse with token created.
+   * @throws UserNotFoundException if user not found
+   */
+  @GetMapping(path = "/refresh")
+  @Operation(
+      summary = "Refresh an existing user session",
+      description = "Refresh an existing user session, generating a new token",
+      responses = {
+        @ApiResponse(responseCode = "200", description = "Session successfully refreshed"),
+        @ApiResponse(
+            responseCode = "403",
+            description = "Forbidden. Access Denied",
+            content = @Content(schema = @Schema(implementation = Void.class))),
+        @ApiResponse(
+            responseCode = "404",
+            description = "User not found",
+            content = @Content(schema = @Schema(implementation = Void.class)))
+      })
+  public JwtAuthenticationResponse refresh() {
+    String token = authService.refreshCurrentUserToken();
+    return new JwtAuthenticationResponse(token);
+  }
+}

java-api/src/main/java/br/com/tasknoteapp/java_api/service/AuthService.java

@@ -49,4 +49,11 @@ public interface AuthService {
    * @return List of UserEntity.
    */
   public List<UserResponse> getAllUsers();
+
+  /**
+   * Refresh the current user token.
+   *
+   * @return Token
+   */
+  public String refreshCurrentUserToken();
 }

java-api/src/main/java/br/com/tasknoteapp/java_api/service/impl/AuthServiceImpl.java

@@ -124,13 +124,9 @@ class AuthServiceImpl implements AuthService {
    */
   @Override
   public List<UserResponse> getAllUsers() {
-    log.info("1");
     Optional<String> currentUserEmail = authUtil.getCurrentUserEmail();
-    log.info("2");
     String email = currentUserEmail.orElseThrow();
-    log.info("3");
     UserEntity currentUser = findByEmail(email).orElseThrow();
-    log.info("4");
 
     log.info("Getting all users to user {}", currentUser.getId());
 
@@ -156,4 +152,23 @@ class AuthServiceImpl implements AuthService {
 
     return usersResponse;
   }
+
+  /**
+   * Refresh the current user token.
+   *
+   * @return Token
+   */
+  @Override
+  public String refreshCurrentUserToken() {
+    Optional<String> currentUserEmail = authUtil.getCurrentUserEmail();
+    String email = currentUserEmail.orElseThrow();
+    UserEntity currentUser = findByEmail(email).orElseThrow();
+
+    log.info("Refreshing current session to user {}", currentUser.getId());
+
+    String token = jwtService.generateToken(email);
+
+    log.info("User refreshed! Token {}", token);
+    return token;
+  }
 }

java-api/src/main/resources/application.properties

@@ -22,3 +22,6 @@ springdoc.enable-native-support=true
 
 # Version (build)
 br.com.tasknote.java-api.version=${BUILD:local}
+
+# CORS
+cors.allowed-origins=${CORS_ALLOWED_ORIGINS}