| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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. |
| */ |
| package org.apache.tinkerpop.gremlin.groovy.jsr223.dsl.credential; |
| |
| import org.apache.tinkerpop.gremlin.process.traversal.P; |
| import org.apache.tinkerpop.gremlin.process.traversal.dsl.GremlinDsl; |
| import org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.GraphTraversal; |
| import org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.__; |
| import org.apache.tinkerpop.gremlin.structure.Vertex; |
| import org.mindrot.jbcrypt.BCrypt; |
| |
| import java.util.Arrays; |
| |
| import static org.apache.tinkerpop.gremlin.groovy.jsr223.dsl.credential.CredentialGraphTokens.PROPERTY_PASSWORD; |
| import static org.apache.tinkerpop.gremlin.groovy.jsr223.dsl.credential.CredentialGraphTokens.PROPERTY_USERNAME; |
| import static org.apache.tinkerpop.gremlin.groovy.jsr223.dsl.credential.CredentialGraphTokens.VERTEX_LABEL_USER; |
| |
| /** |
| * A DSL for managing a "credentials graph" used by Gremlin Server for simple authentication functions. |
| * |
| * @author Stephen Mallette (http://stephen.genoprime.com) |
| */ |
| @GremlinDsl(traversalSource = "org.apache.tinkerpop.gremlin.groovy.jsr223.dsl.credential.CredentialTraversalSourceDsl") |
| public interface CredentialTraversalDsl<S,E> extends GraphTraversal.Admin<S,E> { |
| static final int BCRYPT_ROUNDS = 4; |
| |
| /** |
| * Finds all users. |
| */ |
| public default GraphTraversal<S, Vertex> users() { |
| return (CredentialTraversal<S, Vertex>) hasLabel(VERTEX_LABEL_USER); |
| } |
| |
| /** |
| * Finds users by name. |
| */ |
| public default GraphTraversal<S, Vertex> users(final String username, final String... more) { |
| if (more.length == 0) { |
| return (CredentialTraversal<S, Vertex>) has(VERTEX_LABEL_USER, PROPERTY_USERNAME, username); |
| } |
| |
| final int lastIndex; |
| final String[] usernames = Arrays.copyOf(more, (lastIndex = more.length) + 1); |
| usernames[lastIndex] = username; |
| return (CredentialTraversal<S, Vertex>)has(VERTEX_LABEL_USER, PROPERTY_USERNAME, P.within(usernames)); |
| } |
| |
| /** |
| * Creates or updates a user. |
| */ |
| public default GraphTraversal<S, Vertex> user(final String username, final String password) { |
| return has(VERTEX_LABEL_USER, PROPERTY_USERNAME, username). |
| fold(). |
| coalesce(__.unfold(), |
| __.addV(VERTEX_LABEL_USER).property(PROPERTY_USERNAME, username)). |
| property(PROPERTY_PASSWORD, BCrypt.hashpw(password, BCrypt.gensalt(CredentialTraversalDsl.BCRYPT_ROUNDS))); |
| } |
| } |