diff options
Diffstat (limited to 'src/main/java/org/onap/schema')
4 files changed, 1054 insertions, 0 deletions
diff --git a/src/main/java/org/onap/schema/OxmModelValidator.java b/src/main/java/org/onap/schema/OxmModelValidator.java new file mode 100644 index 0000000..d23804c --- /dev/null +++ b/src/main/java/org/onap/schema/OxmModelValidator.java @@ -0,0 +1,331 @@ +/** + * ============LICENSE_START======================================================= + * Gizmo + * ================================================================================ + * Copyright © 2017 AT&T Intellectual Property. + * Copyright © 2017 Amdocs + * All rights reserved. + * ================================================================================ + * 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========================================================= + * + * ECOMP is a trademark and service mark of AT&T Intellectual Property. + */ +package org.onap.schema; + +import com.google.common.base.CaseFormat; +import com.google.gson.JsonElement; +import com.google.gson.JsonNull; + +import org.eclipse.persistence.dynamic.DynamicType; +import org.eclipse.persistence.internal.helper.DatabaseField; +import org.eclipse.persistence.jaxb.dynamic.DynamicJAXBContext; +import org.eclipse.persistence.mappings.DatabaseMapping; +import org.eclipse.persistence.oxm.XMLField; +import org.onap.aaiutils.oxm.OxmModelLoader; +import org.onap.crud.entity.Vertex; +import org.onap.crud.exception.CrudException; +import org.onap.crud.util.CrudServiceUtil; + +import java.util.HashMap; +import java.util.Map; +import java.util.Set; +import javax.ws.rs.core.Response.Status; + +public class OxmModelValidator { + public enum Metadata { + NODE_TYPE("aai-node-type"), URI("aai-uri"), CREATED_TS("aai-created-ts"), SOT("source-of-truth"), LAST_MOD_SOT( + "last-mod-source-of-truth"); + + private final String propName; + + Metadata(String propName) { + this.propName = propName; + } + + public String propertyName() { + return propName; + } + + public static boolean isProperty(String property) { + for (Metadata meta : Metadata.values()) { + if (meta.propName.equals(property)) { + return true; + } + } + return false; + } + } + + public static Map<String, Object> resolveCollectionfilter(String version, String type, Map<String, String> filter) + throws CrudException { + + DynamicJAXBContext jaxbContext = null; + try { + jaxbContext = OxmModelLoader.getContextForVersion(version); + } catch (Exception e) { + throw new CrudException(e); + } + + Map<String, Object> result = new HashMap<String, Object>(); + if (jaxbContext == null) { + throw new CrudException("", Status.NOT_FOUND); + } + final DynamicType modelObjectType = jaxbContext.getDynamicType( + CaseFormat.LOWER_CAMEL.to(CaseFormat.UPPER_CAMEL, CaseFormat.LOWER_HYPHEN.to(CaseFormat.UPPER_CAMEL, type))); + + for (String key : filter.keySet()) { + String keyJavaName = CaseFormat.LOWER_HYPHEN.to(CaseFormat.LOWER_CAMEL, key); + if (modelObjectType.getDescriptor().getMappingForAttributeName(keyJavaName) != null) { + try { + DatabaseMapping mapping = modelObjectType.getDescriptor().getMappingForAttributeName(keyJavaName); + Object value = CrudServiceUtil.validateFieldType(filter.get(key), mapping.getField().getType()); + result.put(key, value); + } catch (Exception ex) { + // Skip any exceptions thrown while validating the filter + // key value + continue; + } + } + } + + return result; + + } + + public static String resolveCollectionType(String version, String type) throws CrudException { + + DynamicJAXBContext jaxbContext = null; + try { + jaxbContext = OxmModelLoader.getContextForVersion(version); + } catch (Exception e) { + throw new CrudException(e); + } + + if (jaxbContext == null) { + throw new CrudException("", Status.NOT_FOUND); + } + // Determine if the Object part is a collection type in the model + // definition + final DynamicType modelObjectType = jaxbContext.getDynamicType( + CaseFormat.LOWER_CAMEL.to(CaseFormat.UPPER_CAMEL, CaseFormat.LOWER_HYPHEN.to(CaseFormat.UPPER_CAMEL, type))); + + if (modelObjectType == null) { + throw new CrudException("", Status.NOT_FOUND); + } + + if (modelObjectType.getDescriptor().getMappings().size() == 1 + && modelObjectType.getDescriptor().getMappings().get(0).isCollectionMapping()) { + String childJavaObjectName = modelObjectType.getDescriptor().getMappings().get(0).getAttributeName(); + childJavaObjectName = CaseFormat.LOWER_CAMEL.to(CaseFormat.UPPER_CAMEL, childJavaObjectName); + final DynamicType childObjectType = jaxbContext.getDynamicType(childJavaObjectName); + if (childObjectType == null) { + // Should not happen as child object is defined in oxm model + // itself + throw new CrudException("", Status.NOT_FOUND); + } + return childObjectType.getDescriptor().getTableName(); + } else { + return modelObjectType.getDescriptor().getTableName(); + } + + } + + public static Vertex validateIncomingUpsertPayload(String id, String version, String type, JsonElement properties) + throws CrudException { + + try { + type = resolveCollectionType(version, type); + DynamicJAXBContext jaxbContext = OxmModelLoader.getContextForVersion(version); + String modelObjectClass = CaseFormat.LOWER_CAMEL.to(CaseFormat.UPPER_CAMEL, + CaseFormat.LOWER_HYPHEN.to(CaseFormat.UPPER_CAMEL, type)); + + final DynamicType modelObjectType = jaxbContext.getDynamicType(modelObjectClass); + final DynamicType reservedType = jaxbContext.getDynamicType("ReservedPropNames"); + + Set<Map.Entry<String, JsonElement>> payloadEntriesSet = properties.getAsJsonObject().entrySet(); + + // loop through input to validate against schema + for (Map.Entry<String, JsonElement> entry : payloadEntriesSet) { + String keyJavaName = CaseFormat.LOWER_HYPHEN.to(CaseFormat.LOWER_CAMEL, entry.getKey()); + + // check for valid field + if (modelObjectType.getDescriptor().getMappingForAttributeName(keyJavaName) == null) { + if (reservedType.getDescriptor().getMappingForAttributeName(keyJavaName) == null) { + throw new CrudException("Invalid field: " + entry.getKey(), Status.BAD_REQUEST); + } + } + + } + + Map<String, JsonElement> entriesMap = new HashMap<String, JsonElement>(); + for (Map.Entry<String, JsonElement> entry : payloadEntriesSet) { + entriesMap.put(entry.getKey(), entry.getValue()); + } + + Vertex.Builder modelVertexBuilder = new Vertex.Builder(type); + if (id != null) { + modelVertexBuilder.id(id); + } + for (DatabaseMapping mapping : modelObjectType.getDescriptor().getMappings()) { + if (mapping.isAbstractDirectMapping()) { + DatabaseField field = mapping.getField(); + String defaultValue = mapping.getProperties().get("defaultValue") == null ? "" + : mapping.getProperties().get("defaultValue").toString(); + + String keyName = field.getName().substring(0, field.getName().indexOf("/")); + + if (((XMLField) field).isRequired() && !entriesMap.containsKey(keyName) && !defaultValue.isEmpty()) { + modelVertexBuilder.property(keyName, CrudServiceUtil.validateFieldType(defaultValue, field.getType())); + } + // if schema field is required and not set then reject + if (((XMLField) field).isRequired() && !entriesMap.containsKey(keyName) && defaultValue.isEmpty()) { + throw new CrudException("Missing required field: " + keyName, Status.BAD_REQUEST); + } + // If invalid field then reject + if (entriesMap.containsKey(keyName)) { + Object value = CrudServiceUtil.validateFieldType(entriesMap.get(keyName).getAsString(), field.getType()); + modelVertexBuilder.property(keyName, value); + } + + // Set defaults + if (!defaultValue.isEmpty() && !entriesMap.containsKey(keyName)) { + modelVertexBuilder.property(keyName, CrudServiceUtil.validateFieldType(defaultValue, field.getType())); + } + } + } + + // Handle reserved properties + for (DatabaseMapping mapping : reservedType.getDescriptor().getMappings()) { + if (mapping.isAbstractDirectMapping()) { + DatabaseField field = mapping.getField(); + String keyName = field.getName().substring(0, field.getName().indexOf("/")); + + if (entriesMap.containsKey(keyName)) { + Object value = CrudServiceUtil.validateFieldType(entriesMap.get(keyName).getAsString(), field.getType()); + modelVertexBuilder.property(keyName, value); + } + } + } + + return modelVertexBuilder.build(); + } catch (Exception e) { + throw new CrudException(e.getMessage(), Status.BAD_REQUEST); + } + } + + public static Vertex validateIncomingPatchPayload(String id, String version, String type, JsonElement properties, + Vertex existingVertex) throws CrudException { + + try { + type = resolveCollectionType(version, type); + DynamicJAXBContext jaxbContext = OxmModelLoader.getContextForVersion(version); + String modelObjectClass = CaseFormat.LOWER_CAMEL.to(CaseFormat.UPPER_CAMEL, + CaseFormat.LOWER_HYPHEN.to(CaseFormat.UPPER_CAMEL, type)); + + final DynamicType modelObjectType = jaxbContext.getDynamicType(modelObjectClass); + final DynamicType reservedType = jaxbContext.getDynamicType("ReservedPropNames"); + + Set<Map.Entry<String, JsonElement>> payloadEntriesSet = properties.getAsJsonObject().entrySet(); + + // Loop through the payload properties and merge with existing + // vertex props + for (Map.Entry<String, JsonElement> entry : payloadEntriesSet) { + + String keyJavaName = CaseFormat.LOWER_HYPHEN.to(CaseFormat.LOWER_CAMEL, entry.getKey()); + + DatabaseField field = null; + String defaultValue = null; + + if (modelObjectType.getDescriptor().getMappingForAttributeName(keyJavaName) != null) { + field = modelObjectType.getDescriptor().getMappingForAttributeName(keyJavaName).getField(); + defaultValue = modelObjectType.getDescriptor().getMappingForAttributeName(keyJavaName).getProperties() + .get("defaultValue") == null ? "" + : modelObjectType.getDescriptor().getMappingForAttributeName(keyJavaName).getProperties() + .get("defaultValue").toString(); + } else if (reservedType.getDescriptor().getMappingForAttributeName(keyJavaName) != null) { + field = reservedType.getDescriptor().getMappingForAttributeName(keyJavaName).getField(); + defaultValue = ""; + } + + if (field == null) { + throw new CrudException("Invalid field: " + entry.getKey(), Status.BAD_REQUEST); + } + + // check if mandatory field is not set to null + if (((XMLField) field).isRequired() && entry.getValue() instanceof JsonNull && !defaultValue.isEmpty()) { + existingVertex.getProperties().put(entry.getKey(), + CrudServiceUtil.validateFieldType(defaultValue, field.getType())); + } else if (((XMLField) field).isRequired() && entry.getValue() instanceof JsonNull && defaultValue.isEmpty()) { + throw new CrudException("Mandatory field: " + entry.getKey() + " can't be set to null", Status.BAD_REQUEST); + } else if (!((XMLField) field).isRequired() && entry.getValue() instanceof JsonNull + && existingVertex.getProperties().containsKey(entry.getKey())) { + existingVertex.getProperties().remove(entry.getKey()); + } else if (!(entry.getValue() instanceof JsonNull)) { + // add/update the value if found in existing vertex + Object value = CrudServiceUtil.validateFieldType(entry.getValue().getAsString(), field.getType()); + existingVertex.getProperties().put(entry.getKey(), value); + } + + } + + return existingVertex; + } catch (Exception e) { + throw new CrudException(e.getMessage(), Status.BAD_REQUEST); + } + + } + + private static DatabaseField getDatabaseField(String fieldName, DynamicType modelObjectType) { + for (DatabaseField field : modelObjectType.getDescriptor().getAllFields()) { + int ix = field.getName().indexOf("/"); + if (ix <= 0) { + ix = field.getName().length(); + } + + String keyName = field.getName().substring(0, ix); + if (fieldName.equals(keyName)) { + return field; + } + } + return null; + } + + public static Vertex validateOutgoingPayload(String version, Vertex vertex) { + + Vertex.Builder modelVertexBuilder = new Vertex.Builder(vertex.getType()).id(vertex.getId().get()); + + try { + DynamicJAXBContext jaxbContext = OxmModelLoader.getContextForVersion(version); + String modelObjectClass = CaseFormat.LOWER_CAMEL.to(CaseFormat.UPPER_CAMEL, + CaseFormat.LOWER_HYPHEN.to(CaseFormat.UPPER_CAMEL, + vertex.getProperties().get(Metadata.NODE_TYPE.propertyName()) != null + ? vertex.getProperties().get(Metadata.NODE_TYPE.propertyName()).toString() : vertex.getType())); + final DynamicType modelObjectType = jaxbContext.getDynamicType(modelObjectClass); + + for (String key : vertex.getProperties().keySet()) { + DatabaseField field = getDatabaseField(key, modelObjectType); + if (field != null) { + if (!Metadata.isProperty(key)) { + modelVertexBuilder.property(key, vertex.getProperties().get(key)); + } + } + } + return modelVertexBuilder.build(); + } catch (Exception ex) { + return vertex; + } + + } + +} diff --git a/src/main/java/org/onap/schema/RelationshipSchema.java b/src/main/java/org/onap/schema/RelationshipSchema.java new file mode 100644 index 0000000..e6a40b5 --- /dev/null +++ b/src/main/java/org/onap/schema/RelationshipSchema.java @@ -0,0 +1,108 @@ +/** + * ============LICENSE_START======================================================= + * Gizmo + * ================================================================================ + * Copyright © 2017 AT&T Intellectual Property. + * Copyright © 2017 Amdocs + * All rights reserved. + * ================================================================================ + * 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========================================================= + * + * ECOMP is a trademark and service mark of AT&T Intellectual Property. + */ +package org.onap.schema; + +import com.google.gson.Gson; +import com.google.gson.GsonBuilder; + +import org.codehaus.jackson.map.ObjectMapper; +import org.onap.crud.exception.CrudException; + +import java.io.IOException; +import java.util.*; +import java.util.stream.Collectors; +import javax.ws.rs.core.Response.Status; + + +public class RelationshipSchema { + private static final Gson gson = new GsonBuilder().create(); + + public static final String SCHEMA_SOURCE_NODE_TYPE = "from"; + public static final String SCHEMA_TARGET_NODE_TYPE = "to"; + public static final String SCHEMA_RELATIONSHIP_TYPE = "label"; + public static final String SCHEMA_RULES_ARRAY = "rules"; + + + private Map<String, Map<String, Class<?>>> relations = new HashMap<>(); + /** + * Hashmap of valid relationship types along with properties. + */ + private Map<String, Map<String, Class<?>>> relationTypes = new HashMap<>(); + + + public RelationshipSchema(List<String> jsonStrings) throws CrudException, IOException { + String edgeRules = jsonStrings.get(0); + String props = jsonStrings.get(1); + + HashMap<String, ArrayList<LinkedHashMap<String, String>>> rules = new ObjectMapper().readValue(edgeRules, HashMap.class); + HashMap<String, String> properties = new ObjectMapper().readValue(props, HashMap.class); + Map<String, Class<?>> edgeProps = properties.entrySet().stream().collect(Collectors.toMap(p -> p.getKey(), p -> { + try { + return resolveClass(p.getValue()); + } catch (CrudException | ClassNotFoundException e) { + e.printStackTrace(); + } + return null; + })); + + rules.get(SCHEMA_RULES_ARRAY).forEach(l -> { + relationTypes.put(l.get(SCHEMA_RELATIONSHIP_TYPE), edgeProps); + relations.put(buildRelation(l.get(SCHEMA_SOURCE_NODE_TYPE), l.get(SCHEMA_TARGET_NODE_TYPE), l.get(SCHEMA_RELATIONSHIP_TYPE)), edgeProps); + }); + } + + + + public Map<String, Class<?>> lookupRelation(String key) { + return this.relations.get(key); + } + + public Map<String, Class<?>> lookupRelationType(String type) { + return this.relationTypes.get(type); + } + + public boolean isValidType(String type) { + return relationTypes.containsKey(type); + } + + + private String buildRelation(String source, String target, String relation){ + return source + ":" + target + ":" + relation; + } + + private Class<?> resolveClass(String type) throws CrudException, ClassNotFoundException { + Class<?> clazz = Class.forName(type); + validateClassTypes(clazz); + return clazz; + } + + private void validateClassTypes(Class<?> clazz) throws CrudException { + if (!clazz.isAssignableFrom(Integer.class) && !clazz.isAssignableFrom(Double.class) + && !clazz.isAssignableFrom(Boolean.class) && !clazz.isAssignableFrom(String.class)) { + throw new CrudException("", Status.BAD_REQUEST); + } + } +} + + diff --git a/src/main/java/org/onap/schema/RelationshipSchemaLoader.java b/src/main/java/org/onap/schema/RelationshipSchemaLoader.java new file mode 100644 index 0000000..48727a0 --- /dev/null +++ b/src/main/java/org/onap/schema/RelationshipSchemaLoader.java @@ -0,0 +1,263 @@ +/** + * ============LICENSE_START======================================================= + * Gizmo + * ================================================================================ + * Copyright © 2017 AT&T Intellectual Property. + * Copyright © 2017 Amdocs + * All rights reserved. + * ================================================================================ + * 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========================================================= + * + * ECOMP is a trademark and service mark of AT&T Intellectual Property. + */ +package org.onap.schema; + +import java.io.File; +import java.io.FileInputStream; +import java.io.FileNotFoundException; +import java.io.IOException; +import java.io.InputStream; +import java.util.ArrayList; +import java.util.Arrays; +import java.util.Comparator; +import java.util.Date; +import java.util.List; +import java.util.Map; +import java.util.SortedSet; +import java.util.Timer; +import java.util.TimerTask; +import java.util.TreeSet; +import java.util.concurrent.ConcurrentHashMap; +import java.util.regex.Matcher; +import java.util.regex.Pattern; +import java.util.stream.Collectors; + +import javax.ws.rs.core.Response.Status; + +import org.apache.commons.io.IOUtils; +import org.onap.aai.cl.eelf.LoggerFactory; +import org.onap.crud.exception.CrudException; +import org.onap.crud.logging.CrudServiceMsgs; +import org.onap.crud.util.CrudServiceConstants; +import org.onap.crud.util.FileWatcher; +import org.springframework.core.io.UrlResource; +import org.springframework.core.io.support.PathMatchingResourcePatternResolver; +import org.springframework.core.io.support.ResourcePatternResolver; + +public class RelationshipSchemaLoader { + + private static Map<String, RelationshipSchema> versionContextMap = new ConcurrentHashMap<>(); + private static SortedSet<Integer> versions = new TreeSet<Integer>(); + private static Map<String, Timer> timers = new ConcurrentHashMap<String, Timer>(); + final static String edgePropsFiles = "edge_properties_"; + final static String fileExt = ".json"; + final static Pattern rulesFilePattern = Pattern.compile("DbEdgeRules(.*)" + fileExt); + final static Pattern propsFilePattern = Pattern.compile(edgePropsFiles + "(.*)" + fileExt); + final static Pattern versionPattern = Pattern.compile(".*(v\\d+)" + fileExt); + + private static org.onap.aai.cl.api.Logger logger = LoggerFactory.getInstance() + .getLogger(RelationshipSchemaLoader.class.getName()); + + public synchronized static void loadModels() throws CrudException { + load(rulesFilePattern, propsFilePattern); + } + + public synchronized static void loadModels(String version) throws CrudException { + String pattern = String.format(".*(%s)" + fileExt, version); + load(Pattern.compile(pattern), Pattern.compile(edgePropsFiles + version + fileExt)); + } + + public static RelationshipSchema getSchemaForVersion(String version) throws CrudException { + if (versionContextMap == null || versionContextMap.isEmpty()) { + loadModels(); + } else if (!versionContextMap.containsKey(version)) { + try { + loadModels(version); + } catch (Exception e) { + throw new CrudException("", Status.NOT_FOUND); + } + } + RelationshipSchema schema = versionContextMap.get(version); + if (schema == null) { + throw new CrudException("", Status.NOT_FOUND); + } else + return schema; + } + + public static String getLatestSchemaVersion() throws CrudException { + return "v" + versions.last(); + } + + public static Map<String, RelationshipSchema> getVersionContextMap() { + return versionContextMap; + } + + public static void setVersionContextMap(Map<String, RelationshipSchema> versionContextMap) { + RelationshipSchemaLoader.versionContextMap = versionContextMap; + } + + public static void resetVersionContextMap() { + RelationshipSchemaLoader.versionContextMap = new ConcurrentHashMap<>(); + } + + private static void load(Pattern rulesPattern, Pattern edgePropsPattern) throws CrudException { + ClassLoader cl = RelationshipSchemaLoader.class.getClassLoader(); + ResourcePatternResolver rulesResolver = new PathMatchingResourcePatternResolver(cl); + List<Object> rulesFiles; + String rulesDir = CrudServiceConstants.CRD_HOME_MODEL; + try { + + // getResources method returns objects of type "Resource" + // 1. We are getting all the objects from the classpath which has + // "DbEdgeRules" in the name. + // 2. We run them through a filter and return only the objects which match + // the supplied pattern "p" + // 3. We then collect the objects in a list. At this point we have a list + // of the kind of files we require. + rulesFiles = Arrays.stream(rulesResolver.getResources("classpath*:/dbedgerules/DbEdgeRules*" + fileExt)) + .filter(r -> !myMatcher(rulesPattern, r.getFilename()).isEmpty()).collect(Collectors.toList()); + + // This gets all the objects of type "File" from external directory (not + // on the classpath) + // 1. From an external directory (one not on the classpath) we get all the + // objects of type "File" + // 2. We only return the files whose names matched the supplied pattern + // "p2". + // 3. We then collect all the objects in a list and add the contents of + // this list + // to the previous collection (rulesFiles) + rulesFiles + .addAll(Arrays.stream(new File(rulesDir).listFiles((d, name) -> edgePropsPattern.matcher(name).matches())) + .collect(Collectors.toList())); + + if (rulesFiles.isEmpty()) { + logger.error(CrudServiceMsgs.INVALID_OXM_DIR, rulesDir); + throw new FileNotFoundException("DbEdgeRules and edge_properties files were not found."); + } + + // Sort and then group the files with their versions, convert them to the + // schema, and add them to versionContextMap + // 1. Sort the files. We need the DbEdgeRules files to be before the + // edgeProperties files. + // 2. Group the files with their versions. ie. v11 -> + // ["DbEdgeRule_v11.json", "edgeProperties_v11.json"]. + // The "group method" returns a HashMap whose key is the version and the + // value is a list of objects. + // 3. Go through each version and map the files into one schema using the + // "jsonFilesLoader" method. + // Also update the "versionContextMap" with the version and it's schema. + rulesFiles.stream().sorted(Comparator.comparing(RelationshipSchemaLoader::filename)) + .collect(Collectors.groupingBy(f -> myMatcher(versionPattern, filename(f)))) + .forEach((version, resourceAndFile) -> { + if (resourceAndFile.size() == 2) { + versionContextMap.put(version, jsonFilesLoader(version, resourceAndFile)); + } else { + String filenames = resourceAndFile.stream().map(f -> filename(f)).collect(Collectors.toList()).toString(); + String errorMsg = "Expecting a rules and a edge_properties files for " + version + ". Found: " + + filenames; + logger.warn(CrudServiceMsgs.INVALID_OXM_FILE, errorMsg); + } + }); + logger.info(CrudServiceMsgs.LOADED_OXM_FILE, "Relationship Schema and Properties files: " + + rulesFiles.stream().map(f -> filename(f)).collect(Collectors.toList())); + } catch (IOException e) { + logger.error(CrudServiceMsgs.INVALID_OXM_DIR, rulesDir); + throw new CrudException("DbEdgeRules or edge_properties files were not found.", new FileNotFoundException()); + } + } + + private static String filename(Object k) throws ClassCastException { + if (k instanceof UrlResource) { + return ((UrlResource) k).getFilename(); + } else if (k instanceof File) { + return ((File) k).getName(); + } else { + throw new ClassCastException(); + } + } + + private static RelationshipSchema jsonFilesLoader(String version, List<Object> files) { + List<String> fileContents = new ArrayList<>(); + RelationshipSchema rsSchema = null; + if (files.size() == 2) { + for (Object file : files) { + fileContents.add(jsonToRelationSchema(version, file)); + versions.add(Integer.parseInt(version.substring(1))); + } + + try { + rsSchema = new RelationshipSchema(fileContents); + } catch (CrudException | IOException e) { + e.printStackTrace(); + logger.error(CrudServiceMsgs.INVALID_OXM_FILE, + files.stream().map(f -> filename(f)).collect(Collectors.toList()).toString(), e.getMessage()); + } + return rsSchema; + } + return rsSchema; + } + + private synchronized static void updateVersionContext(String version, RelationshipSchema rs) { + versionContextMap.put(version, rs); + } + + private synchronized static String jsonToRelationSchema(String version, Object file) { + InputStream inputStream = null; + String content = null; + + try { + if (file instanceof UrlResource) { + inputStream = ((UrlResource) file).getInputStream(); + } else { + inputStream = new FileInputStream((File) file); + addtimer(version, file); + } + content = IOUtils.toString(inputStream, "UTF-8"); + } catch (IOException e) { + e.printStackTrace(); + } + return content; + } + + private static void addtimer(String version, Object file) { + TimerTask task = null; + task = new FileWatcher((File) file) { + protected void onChange(File file) { + // here we implement the onChange + logger.info(CrudServiceMsgs.OXM_FILE_CHANGED, file.getName()); + + try { + // Cannot use the file object here because we also have to get the + // edge properties associated with that version. + // The properties are stored in a different file. + RelationshipSchemaLoader.loadModels(version); + } catch (Exception e) { + e.printStackTrace(); + } + } + }; + + if (!timers.containsKey(version)) { + Timer timer = new Timer("db_edge_rules_" + version); + timer.schedule(task, new Date(), 10000); + timers.put(version, timer); + + } + } + + private static String myMatcher(Pattern p, String s) { + Matcher m = p.matcher(s); + return m.matches() ? m.group(1) : ""; + } +} diff --git a/src/main/java/org/onap/schema/RelationshipSchemaValidator.java b/src/main/java/org/onap/schema/RelationshipSchemaValidator.java new file mode 100644 index 0000000..53048be --- /dev/null +++ b/src/main/java/org/onap/schema/RelationshipSchemaValidator.java @@ -0,0 +1,352 @@ +/** + * ============LICENSE_START======================================================= + * Gizmo + * ================================================================================ + * Copyright © 2017 AT&T Intellectual Property. + * Copyright © 2017 Amdocs + * All rights reserved. + * ================================================================================ + * 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========================================================= + * + * ECOMP is a trademark and service mark of AT&T Intellectual Property. + */ +package org.onap.schema; + +import com.google.gson.JsonElement; +import com.google.gson.JsonNull; + +import org.onap.crud.entity.Edge; +import org.onap.crud.entity.Vertex; +import org.onap.crud.exception.CrudException; +import org.onap.crud.service.EdgePayload; +import org.onap.crud.util.CrudServiceUtil; +import org.radeox.util.logging.Logger; + +import java.util.HashMap; +import java.util.Map; +import java.util.Set; +import java.util.regex.Matcher; +import java.util.regex.Pattern; +import javax.ws.rs.core.Response.Status; + +public class RelationshipSchemaValidator { + + public static final String SOURCE_NODE = "source"; + public static final String TARGET_NODE = "target"; + + final static Pattern urlPattern = Pattern.compile("services/inventory/(.*)/(.*)/(.*)"); + + public static Map<String, Object> resolveCollectionfilter(String version, String type, + Map<String, String> filter) + throws CrudException { + + RelationshipSchema schema = RelationshipSchemaLoader.getSchemaForVersion(version); + if (schema == null) { + throw new CrudException("", Status.NOT_FOUND); + } + + Map<String, Class<?>> props = schema.lookupRelationType(type); + Map<String, Object> result = new HashMap<String, Object>(); + + for (String key : filter.keySet()) { + + if (props.containsKey(key)) { + try { + Object value = CrudServiceUtil.validateFieldType(filter.get(key), props.get(key)); + result.put(key, value); + } catch (Exception ex) { + // Skip any exceptions thrown while validating the filter + // key value + continue; + } + } + } + + return result; + + } + + public static void validateType(String version, String type) throws CrudException { + + RelationshipSchema schema = RelationshipSchemaLoader.getSchemaForVersion(version); + if (!schema.isValidType(type)) { + throw new CrudException("Invalid " + RelationshipSchema.SCHEMA_RELATIONSHIP_TYPE + + ": " + type, + Status.BAD_REQUEST); + } + + } + + public static Edge validateIncomingAddPayload(String version, String type, Vertex sourceNode, + Vertex targetNode, JsonElement properties) + throws CrudException { + EdgePayload payload = new EdgePayload(); + payload.setSource("services/inventory/" + version + "/" + sourceNode.getType() + + "/" + sourceNode.getId().get()); + payload.setTarget("services/inventory/" + version + "/" + targetNode.getType() + + "/" + targetNode.getId().get()); + payload.setType(type); + payload.setProperties(properties); + return validateIncomingAddPayload(version, type, payload); + } + + public static Edge validateIncomingAddPayload(String version, String type, EdgePayload payload) + throws CrudException { + RelationshipSchema schema = RelationshipSchemaLoader.getSchemaForVersion(version); + + try { + + if (payload.getSource() == null || payload.getTarget() == null) { + throw new CrudException("Source/Target not specified", Status.BAD_REQUEST); + } + + Matcher sourceMatcher = urlPattern.matcher(payload.getSource()); + Matcher targetMatcher = urlPattern.matcher(payload.getTarget()); + + if (!sourceMatcher.matches() || !targetMatcher.matches()) { + throw new CrudException("Invalid Source/Target Urls", Status.BAD_REQUEST); + } + + // create key based on source:target:relationshipType + String sourceNodeType = sourceMatcher.group(2); + String targetNodeType = targetMatcher.group(2); + + String sourceNodeId = sourceMatcher.group(3); + String targetNodeId = targetMatcher.group(3); + + String key = sourceNodeType + ":" + targetNodeType + ":" + type; + + // find the validate the key from the schema + Map<String, Class<?>> schemaObject = schema.lookupRelation(key); + + if (schemaObject == null) { + throw new CrudException("Invalid source/target/relationship type: " + key, + Status.BAD_REQUEST); + } + + Edge.Builder modelEdgeBuilder = new Edge.Builder(type); + + modelEdgeBuilder.source(new Vertex.Builder(sourceNodeType).id(sourceNodeId).build()); + modelEdgeBuilder.target(new Vertex.Builder(targetNodeType).id(targetNodeId).build()); + + // validate it properties + validateEdgeProps(modelEdgeBuilder, payload.getProperties(), schemaObject); + + return modelEdgeBuilder.build(); + } catch (Exception ex) { + + throw new CrudException(ex.getMessage(), Status.BAD_REQUEST); + } + + } + + public static Edge validateIncomingPatchPayload(Edge edge, String version, EdgePayload payload) + throws CrudException { + RelationshipSchema schema = RelationshipSchemaLoader.getSchemaForVersion(version); + + try { + if (payload.getSource() != null) { + Matcher sourceMatcher = urlPattern.matcher(payload.getSource()); + + if (!sourceMatcher.matches()) { + throw new CrudException("Invalid Target Urls", Status.BAD_REQUEST); + } + String sourceNodeId = sourceMatcher.group(3); + if (!sourceNodeId.equals(edge.getSource().getId().get())) { + throw new CrudException("Source can't be updated", Status.BAD_REQUEST); + } + } + + if (payload.getTarget() != null) { + Matcher targetMatcher = urlPattern.matcher(payload.getTarget()); + + if (!targetMatcher.matches()) { + throw new CrudException("Invalid Target Urls", Status.BAD_REQUEST); + } + String sourceNodeId = targetMatcher.group(3); + if (!sourceNodeId.equals(edge.getTarget().getId().get())) { + throw new CrudException("Target can't be updated", Status.BAD_REQUEST); + } + } + // create key based on source:target:relationshipType + + String key = edge.getSource().getType() + ":" + edge.getTarget().getType() + + ":" + edge.getType(); + + // find the validate the key from the schema + Map<String, Class<?>> schemaObject = schema.lookupRelation(key); + + if (schemaObject == null) { + Logger.warn("key :" + key + + " not found in relationship schema . Skipping the schema validation"); + return edge; + } + + Set<Map.Entry<String, JsonElement>> entries = payload.getProperties() + .getAsJsonObject().entrySet(); + + for (Map.Entry<String, JsonElement> entry : entries) { + + if (!schemaObject.containsKey(entry.getKey())) { + throw new CrudException("Invalid property: " + entry.getKey(), Status.BAD_REQUEST); + } else if (entry.getValue() instanceof JsonNull && edge.getProperties() + .containsKey(entry.getKey())) { + edge.getProperties().remove(entry.getKey()); + } else if (!(entry.getValue() instanceof JsonNull)) { + Object value = CrudServiceUtil.validateFieldType(entry.getValue().getAsString(), + schemaObject.get(entry.getKey())); + edge.getProperties().put(entry.getKey(), value); + } + + } + + return edge; + + } catch (Exception ex) { + + throw new CrudException(ex.getMessage(), Status.BAD_REQUEST); + } + } + + public static Edge validateIncomingUpdatePayload(Edge edge, String version, Vertex sourceNode, + Vertex targetNode, JsonElement properties) + throws CrudException { + EdgePayload payload = new EdgePayload(); + payload.setSource("services/inventory/" + version + "/" + sourceNode.getType() + + "/" + sourceNode.getId().get()); + payload.setTarget("services/inventory/" + version + "/" + targetNode.getType() + + "/" + targetNode.getId().get()); + payload.setType(edge.getType()); + payload.setProperties(properties); + return validateIncomingUpdatePayload(edge, version, payload); + } + + public static Edge validateIncomingUpdatePayload(Edge edge, String version, EdgePayload payload) + throws CrudException { + RelationshipSchema schema = RelationshipSchemaLoader.getSchemaForVersion(version); + + try { + + if (payload.getSource() != null) { + Matcher sourceMatcher = urlPattern.matcher(payload.getSource()); + + if (!sourceMatcher.matches()) { + throw new CrudException("Invalid Target Urls", Status.BAD_REQUEST); + } + String sourceNodeId = sourceMatcher.group(3); + if (!sourceNodeId.equals(edge.getSource().getId().get())) { + throw new CrudException("Source can't be updated", Status.BAD_REQUEST); + } + } + + if (payload.getTarget() != null) { + Matcher targetMatcher = urlPattern.matcher(payload.getTarget()); + + if (!targetMatcher.matches()) { + throw new CrudException("Invalid Target Urls", Status.BAD_REQUEST); + } + String sourceNodeId = targetMatcher.group(3); + if (!sourceNodeId.equals(edge.getTarget().getId().get())) { + throw new CrudException("Target can't be updated", Status.BAD_REQUEST); + } + } + // create key based on source:target:relationshipType + + String key = edge.getSource().getType() + ":" + edge.getTarget().getType() + + ":" + edge.getType(); + + // find the validate the key from the schema + Map<String, Class<?>> schemaObject = schema.lookupRelation(key); + + if (schemaObject == null) { + Logger.warn("key :" + key + + " not found in relationship schema . Skipping the schema validation"); + return edge; + } + + Edge.Builder updatedEdgeBuilder = new Edge.Builder(edge.getType()).id(edge.getId().get()); + + updatedEdgeBuilder + .source(new Vertex.Builder(edge.getSource().getType()).id(edge.getSource().getId() + .get()).build()); + updatedEdgeBuilder + .target(new Vertex.Builder(edge.getTarget().getType()).id(edge.getTarget().getId() + .get()).build()); + + validateEdgeProps(updatedEdgeBuilder, payload.getProperties(), schemaObject); + + return updatedEdgeBuilder.build(); + } catch (Exception ex) { + + throw new CrudException(ex.getMessage(), Status.BAD_REQUEST); + } + } + + + private static void validateEdgeProps(Edge.Builder builder, JsonElement props, + Map<String, Class<?>> schemaObject) + throws CrudException { + Set<Map.Entry<String, JsonElement>> entries = props.getAsJsonObject().entrySet(); + + for (Map.Entry<String, JsonElement> entry : entries) { + + if (!schemaObject.containsKey(entry.getKey())) { + throw new CrudException("Invalid property: " + entry.getKey(), Status.BAD_REQUEST); + } else { + Object value = CrudServiceUtil.validateFieldType(entry.getValue().getAsString(), + schemaObject.get(entry.getKey())); + builder.property(entry.getKey(), value); + } + + } + + } + + public static Edge validateOutgoingPayload(String version, Edge edge) throws CrudException { + + Edge.Builder modelEdgeBuilder = new Edge.Builder(edge.getType()).id(edge.getId() + .get()).source(edge.getSource()) + .target(edge.getTarget()); + + RelationshipSchema schema = RelationshipSchemaLoader.getSchemaForVersion(version); + + String key = edge.getSource().getType() + ":" + edge.getTarget().getType() + + ":" + edge.getType(); + Map<String, Class<?>> schemaObject = schema.lookupRelation(key); + + if (schemaObject == null || schemaObject.isEmpty()) { + return edge; + } + + for (String prop : edge.getProperties().keySet()) { + if (schemaObject.containsKey(prop)) { + modelEdgeBuilder.property(prop, edge.getProperties().get(prop)); + } + + } + return modelEdgeBuilder.build(); + } + + + public static String vertexTypeFromUri(String uri) throws CrudException { + + Matcher matcher = urlPattern.matcher(uri); + + if (!matcher.matches()) { + throw new CrudException("Invalid Source/Target Urls", Status.BAD_REQUEST); + } + + return matcher.group(2); + } +} |