Merge branch 'backport-298' into '1.2.x'

Merge branch 'configure-packet-sizes-from-moodle' into '1.2.x'

See merge request !299

autograde-service/src/main/java/ch/epfl/autograde/config/JacksonConfig.java

+package ch.epfl.autograde.config;
+
+import com.fasterxml.jackson.core.StreamReadConstraints;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+public class JacksonConfig {
+
+    @Bean
+    public ObjectMapper mapper() {
+        final var mapper = new ObjectMapper();
+        mapper.getFactory()
+            .setStreamReadConstraints(
+                StreamReadConstraints.builder()
+                        .maxStringLength(Integer.MAX_VALUE)
+                        .build()
+            );
+        return mapper;
+    };
+
+}

autograde-service/src/main/java/ch/epfl/autograde/service/MoodleWebService.java

@@ -42,6 +42,8 @@ public final class MoodleWebService {
     /** Config properties for Moodle */
     private final AutogradeMoodleConfig properties;
 
+    private final ObjectMapper mapper;
+
     // ============================================================================================
     // ===================================== GENERIC FUNCTION =====================================
     // ============================================================================================
@@ -111,7 +113,7 @@ public final class MoodleWebService {
             final var params = Map.of(
                     "submissionid", submissionid,
                     "grade", grade,
-                    "files", new ObjectMapper().writeValueAsString(feedback)
+                    "files", mapper.writeValueAsString(feedback)
             );
             // HR : Call the moodle web service
             var response = call(FUNCTION_NAME, params, ofString());
@@ -163,7 +165,7 @@ public final class MoodleWebService {
 
         try {
             var response = call(FUNCTION_NAME, params, ofString(UTF_8));
-            return new ObjectMapper().readValue(response.body(), new TypeReference<>() {});
+            return mapper.readValue(response.body(), new TypeReference<>() {});
         } catch (URISyntaxException | IOException | InterruptedException e) {
             throw new RuntimeException(e);
         }
@@ -187,7 +189,7 @@ public final class MoodleWebService {
                 throw new IllegalStateException();
             }
             // HR : Deserialize the request
-            return new ObjectMapper().readValue(response.body(), new TypeReference<>() {});
+            return mapper.readValue(response.body(), new TypeReference<>() {});
         } catch (Exception e) {
             throw new RuntimeException(e);
         }