add cors header in response

src/main/java/fr/unistra/sil/erp/back/WebMvcConfig.java

@@ -7,6 +7,7 @@ package fr.unistra.sil.erp.back;
 import fr.unistra.sil.erp.back.interceptor.api.ApiAuthenticationInterceptor;
 import org.springframework.context.annotation.*;
 import org.springframework.core.env.Environment;
+import org.springframework.web.servlet.config.annotation.CorsRegistry;
 import org.springframework.web.servlet.config.annotation.EnableWebMvc;
 import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
 import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
@@ -51,25 +52,25 @@ public class WebMvcConfig implements WebMvcConfigurer {
      */
     public static final String MAPPING_ITEMS = API_FULL_PREFIX +
             "/item";
-    
+
     /**
      * API Mapping for retrieving all categories.
      */
     public static final String MAPPING_CATEGORY = API_FULL_PREFIX +
             "/category";
-    
+
     /**
      * API Mapping for submitting transactions.
      */
     public static final String MAPPING_SUBTRANSAC = API_FULL_PREFIX +
             "/transaction";
-    
+
     /**
      * API Mapping for retrieving stocks.
      */
     public static final String MAPPING_STOCKS = API_FULL_PREFIX +
             "/stock";
-    
+
     /**
      * Web mapping for the login page.
      */
@@ -103,6 +104,13 @@ public class WebMvcConfig implements WebMvcConfigurer {
         registry.addInterceptor(new ApiAuthenticationInterceptor(this.env.getRequiredProperty("api.key"))).addPathPatterns(API_PREFIX + "**");
     }
 
+    @Override
+    public void addCorsMappings(CorsRegistry registry) {
+        registry.addMapping("/**")
+                .allowedOrigins("*")
+                .allowedHeaders("*");
+    }
+
     /**
      * SQL Connection object.
      */