relying party overrides validation against JSON schema

backend/src/main/groovy/edu/internet2/tier/shibboleth/admin/ui/jsonschema/JsonSchemaValidationFailedException.groovy

@@ -0,0 +1,16 @@
+package edu.internet2.tier.shibboleth.admin.ui.jsonschema
+
+/**
+ * Indicates JSON schema validation failure. Encapsulates a list of error messages produced by JSON schema validator
+ * component.
+ *
+ * @author Dmitriy Kopylenko
+ */
+class JsonSchemaValidationFailedException extends RuntimeException {
+
+    def errors
+
+    JsonSchemaValidationFailedException(List<String> errors) {
+        this.errors = errors
+    }
+}

backend/src/main/groovy/edu/internet2/tier/shibboleth/admin/ui/jsonschema/RelyingPartyOverridesJsonSchemaValidatingControllerAdvice.groovy

@@ -1,8 +1,17 @@
 package edu.internet2.tier.shibboleth.admin.ui.jsonschema
 
+import com.fasterxml.jackson.databind.ObjectMapper
+import edu.internet2.tier.shibboleth.admin.ui.domain.frontend.EntityDescriptorRepresentation
+import mjson.Json
+import org.springframework.beans.factory.annotation.Autowired
 import org.springframework.core.MethodParameter
+import org.springframework.http.HttpInputMessage
+import org.springframework.http.HttpStatus
+import org.springframework.http.ResponseEntity
 import org.springframework.http.converter.HttpMessageConverter
 import org.springframework.web.bind.annotation.ControllerAdvice
+import org.springframework.web.bind.annotation.ExceptionHandler
+import org.springframework.web.context.request.WebRequest
 import org.springframework.web.servlet.mvc.method.annotation.RequestBodyAdviceAdapter
 
 import java.lang.reflect.Type
@@ -16,9 +25,31 @@ import java.lang.reflect.Type
 @ControllerAdvice
 class RelyingPartyOverridesJsonSchemaValidatingControllerAdvice extends RequestBodyAdviceAdapter {
 
+    @Autowired
+    MetadataSourcesJsonSchemaResourceLocation schemaLocation
+
+    @Autowired
+    ObjectMapper jacksonMapper
+
     @Override
     boolean supports(MethodParameter methodParameter, Type targetType, Class<? extends HttpMessageConverter<?>> converterType) {
-        def cls = targetType.typeName
-        print('cx')
+        targetType.typeName == EntityDescriptorRepresentation.typeName
+    }
+
+    @Override
+    Object afterBodyRead(Object body, HttpInputMessage inputMessage, MethodParameter parameter, Type targetType, Class<? extends HttpMessageConverter<?>> converterType) {
+        def relyingPartyOverrides = EntityDescriptorRepresentation.cast(body).relyingPartyOverrides
+        def relyingPartyOverridesJson = Json.make([relyingPartyOverrides: relyingPartyOverrides])
+        def schema = Json.schema(this.schemaLocation.uri)
+        def validationResult = schema.validate(relyingPartyOverridesJson)
+        if (!validationResult.at('ok')) {
+            throw new JsonSchemaValidationFailedException(validationResult.at('errors').asList())
+        }
+        body
+    }
+
+    @ExceptionHandler(JsonSchemaValidationFailedException)
+    final ResponseEntity<?> handleUserNotFoundException(JsonSchemaValidationFailedException ex, WebRequest request) {
+        new ResponseEntity<>([errors: ex.errors], HttpStatus.BAD_REQUEST)
     }
 }

backend/src/main/java/edu/internet2/tier/shibboleth/admin/ui/configuration/JsonSchemaValidationComponentsConfiguration.java

@@ -16,9 +16,4 @@ public class JsonSchemaValidationComponentsConfiguration {
     public MetadataSourcesJsonSchemaResourceLocation metadataSourcesJsonSchemaResourceLocation(ResourceLoader resourceLoader) {
         return new MetadataSourcesJsonSchemaResourceLocation(resourceLoader);
     }
-
-    @Bean
-    public RelyingPartyOverridesJsonSchemaValidatingControllerAdvice relyingPartyOverridesJsonSchemaValidatingControllerAdvice() {
-        return new RelyingPartyOverridesJsonSchemaValidatingControllerAdvice();
-    }
 }

backend/src/main/java/edu/internet2/tier/shibboleth/admin/ui/jsonschema/MetadataSourcesJsonSchemaResourceLocation.java

@@ -33,6 +33,10 @@ public MetadataSourcesJsonSchemaResourceLocation(ResourceLoader resourceLoader)
         this.resourceLoader = resourceLoader;
     }
 
+    public void setMetadataSourcesUiSchemaLocation(String metadataSourcesUiSchemaLocation) {
+        this.metadataSourcesUiSchemaLocation = metadataSourcesUiSchemaLocation;
+    }
+
     public URL getUrl() {
         return this.jsonSchemaUrl;
     }