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-rw-r--r--src/main/java/org/onap/dcae/ApplicationSettings.java50
-rw-r--r--src/main/java/org/onap/dcae/JSonSchemasSupplier.java58
-rw-r--r--src/main/java/org/onap/dcae/restapi/EventValidator.java29
-rw-r--r--src/main/java/org/onap/dcae/restapi/SchemaValidator.java58
4 files changed, 129 insertions, 66 deletions
diff --git a/src/main/java/org/onap/dcae/ApplicationSettings.java b/src/main/java/org/onap/dcae/ApplicationSettings.java
index 5164f878..1e9ae698 100644
--- a/src/main/java/org/onap/dcae/ApplicationSettings.java
+++ b/src/main/java/org/onap/dcae/ApplicationSettings.java
@@ -3,7 +3,7 @@
* PROJECT
* ================================================================================
* Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
- * Copyright (C) 2018 Nokia. All rights reserved.s
+ * Copyright (C) 2018 - 2019 Nokia. All rights reserved.s
* ================================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -21,31 +21,21 @@
package org.onap.dcae;
-import static io.vavr.API.Tuple;
-import static java.lang.String.format;
-import static java.nio.file.Files.readAllBytes;
-
-import com.fasterxml.jackson.databind.JsonNode;
-import com.github.fge.jackson.JsonLoader;
-import com.github.fge.jsonschema.core.exceptions.ProcessingException;
-import com.github.fge.jsonschema.main.JsonSchema;
-import com.github.fge.jsonschema.main.JsonSchemaFactory;
import com.google.common.annotations.VisibleForTesting;
+import com.networknt.schema.JsonSchema;
import io.vavr.Function1;
-import io.vavr.Tuple2;
import io.vavr.collection.HashMap;
import io.vavr.collection.List;
import io.vavr.collection.Map;
-import java.io.IOException;
-import java.nio.file.Path;
-import java.nio.file.Paths;
-import javax.annotation.Nullable;
import org.apache.commons.configuration.ConfigurationException;
import org.apache.commons.configuration.PropertiesConfiguration;
-import org.json.JSONObject;
import org.onap.dcae.common.configuration.AuthMethodType;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
+import javax.annotation.Nullable;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import static java.lang.String.format;
/**
* Abstraction over application configuration.
@@ -58,6 +48,7 @@ public class ApplicationSettings {
private final String appInvocationDir;
private final String configurationFileLocation;
private final PropertiesConfiguration properties = new PropertiesConfiguration();
+ private final JSonSchemasSupplier jSonSchemasSupplier = new JSonSchemasSupplier();
private final Map<String, JsonSchema> loadedJsonSchemas;
public ApplicationSettings(String[] args, Function1<String[], Map<String, String>> argsParser) {
@@ -71,7 +62,9 @@ public class ApplicationSettings {
configurationFileLocation = findOutConfigurationFileLocation(parsedArgs);
loadPropertiesFromFile();
parsedArgs.filterKeys(k -> !"c".equals(k)).forEach(this::addOrUpdate);
- loadedJsonSchemas = loadJsonSchemas();
+ String collectorSchemaFile = properties.getString("collector.schema.file",
+ format("{\"%s\":\"etc/CommonEventFormat_28.4.1.json\"}", FALLBACK_VES_VERSION));
+ loadedJsonSchemas = jSonSchemasSupplier.loadJsonSchemas(collectorSchemaFile);
}
public void reloadProperties() {
@@ -187,24 +180,6 @@ public class ApplicationSettings {
return prependWithUserDirOnRelative(parsedArgs.get("c").getOrElse("etc/collector.properties"));
}
- private Map<String, JsonSchema> loadJsonSchemas() {
- return jsonSchema().toMap().entrySet().stream()
- .map(this::readSchemaForVersion)
- .collect(HashMap.collector());
- }
-
- private Tuple2<String, JsonSchema> readSchemaForVersion(java.util.Map.Entry<String, Object> versionToFilePath) {
- try {
- String schemaContent = new String(
- readAllBytes(Paths.get(versionToFilePath.getValue().toString())));
- JsonNode schemaNode = JsonLoader.fromString(schemaContent);
- JsonSchema schema = JsonSchemaFactory.byDefault().getJsonSchema(schemaNode);
- return Tuple(versionToFilePath.getKey(), schema);
- } catch (IOException | ProcessingException e) {
- throw new ApplicationException("Could not read schema from path: " + versionToFilePath.getValue(), e);
- }
- }
-
private Map<String, String> prepareUsersMap(@Nullable String allowedUsers) {
return allowedUsers == null ? HashMap.empty()
: List.of(allowedUsers.split("\\|"))
@@ -212,11 +187,6 @@ public class ApplicationSettings {
.toMap(t-> t[0].trim(), t -> t[1].trim());
}
- private JSONObject jsonSchema() {
- return new JSONObject(properties.getString("collector.schema.file",
- format("{\"%s\":\"etc/CommonEventFormat_28.4.1.json\"}", FALLBACK_VES_VERSION)));
- }
-
private Map<String, String[]> convertDMaaPStreamsPropertyToMap(String streamIdsProperty) {
java.util.HashMap<String, String[]> domainToStreamIdsMapping = new java.util.HashMap<>();
String[] topics = streamIdsProperty.split("\\|");
diff --git a/src/main/java/org/onap/dcae/JSonSchemasSupplier.java b/src/main/java/org/onap/dcae/JSonSchemasSupplier.java
new file mode 100644
index 00000000..d7cd5663
--- /dev/null
+++ b/src/main/java/org/onap/dcae/JSonSchemasSupplier.java
@@ -0,0 +1,58 @@
+/*
+ * ============LICENSE_START=======================================================
+ * PROJECT
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * Copyright (C) 2019 Nokia. All rights reserved.s
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+package org.onap.dcae;
+
+import com.networknt.schema.JsonSchema;
+import com.networknt.schema.JsonSchemaFactory;
+import io.vavr.Tuple2;
+import io.vavr.collection.HashMap;
+import io.vavr.collection.Map;
+import org.json.JSONObject;
+
+import java.io.IOException;
+import java.nio.file.Paths;
+
+import static io.vavr.API.Tuple;
+import static java.nio.file.Files.readAllBytes;
+
+class JSonSchemasSupplier {
+
+ public Map<String, JsonSchema> loadJsonSchemas(String collectorSchemaFile) {
+ JSONObject jsonObject = new JSONObject(collectorSchemaFile);
+ return jsonObject.toMap().entrySet().stream()
+ .map(JSonSchemasSupplier::readSchemaForVersion)
+ .collect(HashMap.collector());
+ }
+
+
+ private static Tuple2<String, JsonSchema> readSchemaForVersion(java.util.Map.Entry<String, Object> versionToFilePath) {
+ try {
+ String schemaContent = new String(
+ readAllBytes(Paths.get(versionToFilePath.getValue().toString())));
+ JsonSchemaFactory factory = JsonSchemaFactory.getInstance();
+ JsonSchema schema = factory.getSchema(schemaContent);
+
+ return Tuple(versionToFilePath.getKey(), schema);
+ } catch (IOException e) {
+ throw new ApplicationException("Could not read schema from path: " + versionToFilePath.getValue(), e);
+ }
+ }
+}
diff --git a/src/main/java/org/onap/dcae/restapi/EventValidator.java b/src/main/java/org/onap/dcae/restapi/EventValidator.java
index f119b507..009247c0 100644
--- a/src/main/java/org/onap/dcae/restapi/EventValidator.java
+++ b/src/main/java/org/onap/dcae/restapi/EventValidator.java
@@ -20,23 +20,15 @@
*/
package org.onap.dcae.restapi;
-import static java.util.stream.StreamSupport.stream;
-
-import com.github.fge.jackson.JsonLoader;
-import com.github.fge.jsonschema.core.report.ProcessingReport;
-import com.github.fge.jsonschema.main.JsonSchema;
-import java.util.Optional;
import org.json.JSONObject;
-import org.onap.dcae.ApplicationException;
import org.onap.dcae.ApplicationSettings;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.http.ResponseEntity;
-
+import java.util.Optional;
public class EventValidator {
- private static final Logger log = LoggerFactory.getLogger(EventValidator.class);
-
+ private final SchemaValidator schemaValidator = new SchemaValidator();
private ApplicationSettings applicationSettings;
public EventValidator(ApplicationSettings applicationSettings) {
@@ -46,7 +38,7 @@ public class EventValidator {
public Optional<ResponseEntity<String>> validate(JSONObject jsonObject, String type, String version){
if (applicationSettings.jsonSchemaValidationEnabled()) {
if (jsonObject.has(type)) {
- if (!conformsToSchema(jsonObject, version)) {
+ if (!schemaValidator.conformsToSchema(jsonObject, applicationSettings.jsonSchema(version))) {
return errorResponse(ApiException.SCHEMA_VALIDATION_FAILED);
}
} else {
@@ -56,21 +48,6 @@ public class EventValidator {
return Optional.empty();
}
- private boolean conformsToSchema(JSONObject payload, String version) {
- try {
- JsonSchema schema = applicationSettings.jsonSchema(version);
- ProcessingReport report = schema.validate(JsonLoader.fromString(payload.toString()));
- if (report.isSuccess()) {
- return true;
- }
- log.warn("Schema validation failed for event: " + payload);
- stream(report.spliterator(), false).forEach(e -> log.warn(e.getMessage()));
- return false;
- } catch (Exception e) {
- throw new ApplicationException("Unable to validate against schema", e);
- }
- }
-
private Optional<ResponseEntity<String>> errorResponse(ApiException noServerResources) {
return Optional.of(ResponseEntity.status(noServerResources.httpStatusCode)
.body(noServerResources.toJSON().toString()));
diff --git a/src/main/java/org/onap/dcae/restapi/SchemaValidator.java b/src/main/java/org/onap/dcae/restapi/SchemaValidator.java
new file mode 100644
index 00000000..94638071
--- /dev/null
+++ b/src/main/java/org/onap/dcae/restapi/SchemaValidator.java
@@ -0,0 +1,58 @@
+/*
+ * ============LICENSE_START=======================================================
+ * PROJECT
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * Copyright (C) 2019 Nokia. All rights reserved.s
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+package org.onap.dcae.restapi;
+
+
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.networknt.schema.JsonSchema;
+import com.networknt.schema.ValidationMessage;
+import org.json.JSONObject;
+import org.onap.dcae.ApplicationException;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.Set;
+
+class SchemaValidator {
+ public static final Logger log = LoggerFactory.getLogger(SchemaValidator.class);
+
+ public boolean conformsToSchema(JSONObject payload, JsonSchema schema) {
+ try {
+ ObjectMapper mapper = new ObjectMapper();
+
+ String content = payload.toString();
+ JsonNode node = mapper.readTree(content);
+ Set<ValidationMessage> messageSet = schema.validate(node);
+
+ if (messageSet.isEmpty()) {
+ return true;
+ }
+
+ log.warn("Schema validation failed for event: " + payload);
+ messageSet.stream().forEach(it->log.warn(it.getMessage()) );
+
+ return false;
+ } catch (Exception e) {
+ throw new ApplicationException("Unable to validate against schema", e);
+ }
+ }
+}