Fix cors config for Spring Security

src/main/java/com/example/plantsforyou/security/config/WebSecurityConfig.java

@@ -16,10 +16,12 @@ import org.springframework.security.config.annotation.web.configuration.WebSecur
 import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
 import org.springframework.security.web.authentication.UsernamePasswordAuthenticationFilter;
 import org.springframework.web.cors.CorsConfiguration;
-import org.springframework.web.cors.reactive.CorsConfigurationSource;
-import org.springframework.web.cors.reactive.UrlBasedCorsConfigurationSource;
+import org.springframework.web.cors.CorsConfigurationSource;
+import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
+
 
 import java.util.Arrays;
+import java.util.Collections;
 
 import static org.springframework.security.config.http.SessionCreationPolicy.STATELESS;
 
@@ -33,7 +35,8 @@ public class WebSecurityConfig extends WebSecurityConfigurerAdapter {
 
     @Override
     protected void configure(HttpSecurity http) throws Exception {
-        http.csrf().disable().csrf();
+        http.cors();
+        http.csrf().disable();
         http.sessionManagement().sessionCreationPolicy(STATELESS);
         http.authorizeRequests().antMatchers("/api/v*/registration/**", "/api/v*/users/token/refresh/**", "/api/v*/plants/no-auth").permitAll();
         http.authorizeRequests().antMatchers("/api/v*/**").hasAnyAuthority("USER");
@@ -44,7 +47,7 @@ public class WebSecurityConfig extends WebSecurityConfigurerAdapter {
     @Bean
     CorsConfigurationSource corsConfigurationSource() {
         CorsConfiguration configuration = new CorsConfiguration();
-        configuration.setAllowedOrigins(Arrays.asList("http://localhost:3000"));
+        configuration.setAllowedOrigins(Collections.singletonList("http://localhost:3000"));
         configuration.setAllowedMethods(Arrays.asList("GET","POST"));
         UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
         source.registerCorsConfiguration("/**", configuration);