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/*
* 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.hugegraph.api.profile;
import java.io.File;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import io.swagger.v3.oas.annotations.tags.Tag;
import jakarta.annotation.security.RolesAllowed;
import jakarta.inject.Singleton;
import jakarta.ws.rs.Consumes;
import jakarta.ws.rs.DELETE;
import jakarta.ws.rs.ForbiddenException;
import jakarta.ws.rs.GET;
import jakarta.ws.rs.NotSupportedException;
import jakarta.ws.rs.PUT;
import jakarta.ws.rs.POST;
import jakarta.ws.rs.Path;
import jakarta.ws.rs.PathParam;
import jakarta.ws.rs.Produces;
import jakarta.ws.rs.QueryParam;
import jakarta.ws.rs.core.Context;
import jakarta.ws.rs.core.SecurityContext;
import org.apache.commons.lang3.StringUtils;
import org.apache.hugegraph.core.GraphManager;
import org.slf4j.Logger;
import org.apache.hugegraph.HugeGraph;
import org.apache.hugegraph.api.API;
import org.apache.hugegraph.auth.HugeAuthenticator.RequiredPerm;
import org.apache.hugegraph.auth.HugePermission;
import org.apache.hugegraph.config.HugeConfig;
import org.apache.hugegraph.type.define.GraphMode;
import org.apache.hugegraph.type.define.GraphReadMode;
import org.apache.hugegraph.util.E;
import org.apache.hugegraph.util.JsonUtil;
import org.apache.hugegraph.util.Log;
import com.codahale.metrics.annotation.Timed;
import com.google.common.collect.ImmutableMap;
@Path("graphs")
@Singleton
@Tag(name = "GraphsAPI")
public class GraphsAPI extends API {
private static final Logger LOG = Log.logger(GraphsAPI.class);
private static final String CONFIRM_CLEAR = "I'm sure to delete all data";
private static final String CONFIRM_DROP = "I'm sure to drop the graph";
@GET
@Timed
@Produces(APPLICATION_JSON_WITH_CHARSET)
@RolesAllowed({"admin", "$dynamic"})
public Object list(@Context GraphManager manager,
@Context SecurityContext sc) {
Set<String> graphs = manager.graphs();
// Filter by user role
Set<String> filterGraphs = new HashSet<>();
for (String graph : graphs) {
String role = RequiredPerm.roleFor(graph, HugePermission.READ);
if (sc.isUserInRole(role)) {
try {
HugeGraph g = graph(manager, graph);
filterGraphs.add(g.name());
} catch (ForbiddenException ignored) {
// ignore
}
}
}
return ImmutableMap.of("graphs", filterGraphs);
}
@GET
@Timed
@Path("{name}")
@Produces(APPLICATION_JSON_WITH_CHARSET)
@RolesAllowed({"admin", "$owner=$name"})
public Object get(@Context GraphManager manager,
@PathParam("name") String name) {
LOG.debug("Get graph by name '{}'", name);
HugeGraph g = graph(manager, name);
return ImmutableMap.of("name", g.name(), "backend", g.backend());
}
@DELETE
@Timed
@Path("{name}")
@Produces(APPLICATION_JSON_WITH_CHARSET)
@RolesAllowed({"admin"})
public void drop(@Context GraphManager manager,
@PathParam("name") String name,
@QueryParam("confirm_message") String message) {
LOG.debug("Drop graph by name '{}'", name);
E.checkArgument(CONFIRM_DROP.equals(message),
"Please take the message: %s", CONFIRM_DROP);
manager.dropGraph(name);
}
@POST
@Timed
@Path("{name}")
@Consumes(TEXT_PLAIN)
@Produces(APPLICATION_JSON_WITH_CHARSET)
@RolesAllowed({"admin"})
public Object create(@Context GraphManager manager,
@PathParam("name") String name,
@QueryParam("clone_graph_name") String clone,
String configText) {
LOG.debug("Create graph '{}' with clone graph '{}', config text '{}'",
name, clone, configText);
HugeGraph graph;
if (StringUtils.isNotEmpty(clone)) {
graph = manager.cloneGraph(clone, name, configText);
} else {
graph = manager.createGraph(name, configText);
}
return ImmutableMap.of("name", graph.name(),
"backend", graph.backend());
}
@GET
@Timed
@Path("{name}/conf")
@Produces(APPLICATION_JSON_WITH_CHARSET)
@RolesAllowed("admin")
public File getConf(@Context GraphManager manager,
@PathParam("name") String name) {
LOG.debug("Get graph configuration by name '{}'", name);
HugeGraph g = graph4admin(manager, name);
HugeConfig config = (HugeConfig) g.configuration();
File file = config.file();
if (file == null) {
throw new NotSupportedException("Can't access the api in " +
"a node which started with non local file config.");
}
return file;
}
@DELETE
@Timed
@Path("{name}/clear")
@Consumes(APPLICATION_JSON)
@RolesAllowed("admin")
public void clear(@Context GraphManager manager,
@PathParam("name") String name,
@QueryParam("confirm_message") String message) {
LOG.debug("Clear graph by name '{}'", name);
E.checkArgument(CONFIRM_CLEAR.equals(message),
"Please take the message: %s", CONFIRM_CLEAR);
HugeGraph g = graph(manager, name);
g.truncateBackend();
}
@PUT
@Timed
@Path("{name}/snapshot_create")
@Produces(APPLICATION_JSON_WITH_CHARSET)
@RolesAllowed({"admin", "$owner=$name"})
public Object createSnapshot(@Context GraphManager manager,
@PathParam("name") String name) {
LOG.debug("Create snapshot for graph '{}'", name);
HugeGraph g = graph(manager, name);
g.createSnapshot();
return ImmutableMap.of(name, "snapshot_created");
}
@PUT
@Timed
@Path("{name}/snapshot_resume")
@Produces(APPLICATION_JSON_WITH_CHARSET)
@RolesAllowed({"admin", "$owner=$name"})
public Object resumeSnapshot(@Context GraphManager manager,
@PathParam("name") String name) {
LOG.debug("Resume snapshot for graph '{}'", name);
HugeGraph g = graph(manager, name);
g.resumeSnapshot();
return ImmutableMap.of(name, "snapshot_resumed");
}
@PUT
@Timed
@Path("{name}/compact")
@Consumes(APPLICATION_JSON)
@Produces(APPLICATION_JSON_WITH_CHARSET)
@RolesAllowed({"admin"})
public String compact(@Context GraphManager manager,
@PathParam("name") String name) {
LOG.debug("Manually compact graph '{}'", name);
HugeGraph g = graph(manager, name);
return JsonUtil.toJson(g.metadata(null, "compact"));
}
@PUT
@Timed
@Path("{name}/mode")
@Consumes(APPLICATION_JSON)
@Produces(APPLICATION_JSON_WITH_CHARSET)
@RolesAllowed({"admin", "$owner=$name"})
public Map<String, GraphMode> mode(@Context GraphManager manager,
@PathParam("name") String name,
GraphMode mode) {
LOG.debug("Set mode to: '{}' of graph '{}'", mode, name);
E.checkArgument(mode != null, "Graph mode can't be null");
HugeGraph g = graph(manager, name);
g.mode(mode);
return ImmutableMap.of("mode", mode);
}
@GET
@Timed
@Path("{name}/mode")
@Consumes(APPLICATION_JSON)
@Produces(APPLICATION_JSON_WITH_CHARSET)
@RolesAllowed({"admin", "$owner=$name"})
public Map<String, GraphMode> mode(@Context GraphManager manager,
@PathParam("name") String name) {
LOG.debug("Get mode of graph '{}'", name);
HugeGraph g = graph(manager, name);
return ImmutableMap.of("mode", g.mode());
}
@PUT
@Timed
@Path("{name}/graph_read_mode")
@Consumes(APPLICATION_JSON)
@Produces(APPLICATION_JSON_WITH_CHARSET)
@RolesAllowed("admin")
public Map<String, GraphReadMode> graphReadMode(
@Context GraphManager manager,
@PathParam("name") String name,
GraphReadMode readMode) {
LOG.debug("Set graph-read-mode to: '{}' of graph '{}'",
readMode, name);
E.checkArgument(readMode != null,
"Graph-read-mode can't be null");
HugeGraph g = graph(manager, name);
g.readMode(readMode);
return ImmutableMap.of("graph_read_mode", readMode);
}
@GET
@Timed
@Path("{name}/graph_read_mode")
@Consumes(APPLICATION_JSON)
@Produces(APPLICATION_JSON_WITH_CHARSET)
@RolesAllowed({"admin", "$owner=$name"})
public Map<String, GraphReadMode> graphReadMode(
@Context GraphManager manager,
@PathParam("name") String name) {
LOG.debug("Get graph-read-mode of graph '{}'", name);
HugeGraph g = graph(manager, name);
return ImmutableMap.of("graph_read_mode", g.readMode());
}
}