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/*
* Copyright (C) 2020 Graylog, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* .
*/
package org.graylog2.rest.resources.system.outputs;
import com.codahale.metrics.annotation.Timed;
import com.google.common.collect.ImmutableMap;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import io.swagger.annotations.ApiParam;
import io.swagger.annotations.ApiResponse;
import io.swagger.annotations.ApiResponses;
import org.apache.shiro.authz.annotation.RequiresAuthentication;
import org.graylog2.audit.AuditEventTypes;
import org.graylog2.audit.jersey.AuditEvent;
import org.graylog2.database.NotFoundException;
import org.graylog2.outputs.MessageOutputFactory;
import org.graylog2.plugin.database.ValidationException;
import org.graylog2.plugin.streams.Output;
import org.graylog2.rest.models.streams.outputs.OutputListResponse;
import org.graylog2.rest.models.streams.outputs.requests.CreateOutputRequest;
import org.graylog2.rest.models.system.outputs.responses.OutputSummary;
import org.graylog2.rest.resources.streams.outputs.AvailableOutputSummary;
import org.graylog2.shared.rest.resources.RestResource;
import org.graylog2.shared.security.RestPermissions;
import org.graylog2.streams.OutputService;
import org.graylog2.utilities.ConfigurationMapConverter;
import org.joda.time.DateTime;
import javax.inject.Inject;
import javax.ws.rs.Consumes;
import javax.ws.rs.DELETE;
import javax.ws.rs.GET;
import javax.ws.rs.POST;
import javax.ws.rs.PUT;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import javax.ws.rs.Produces;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import java.net.URI;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
@RequiresAuthentication
@Api(value = "System/Outputs", description = "Manage outputs")
@Path("/system/outputs")
public class OutputResource extends RestResource {
private final OutputService outputService;
private final MessageOutputFactory messageOutputFactory;
@Inject
public OutputResource(OutputService outputService,
MessageOutputFactory messageOutputFactory) {
this.outputService = outputService;
this.messageOutputFactory = messageOutputFactory;
}
@GET
@Timed
@ApiOperation(value = "Get a list of all outputs")
@Produces(MediaType.APPLICATION_JSON)
public OutputListResponse get() {
checkPermission(RestPermissions.OUTPUTS_READ);
final Set outputs = new HashSet<>();
for (Output output : outputService.loadAll()) {
outputs.add(OutputSummary.create(
output.getId(),
output.getTitle(),
output.getType(),
output.getCreatorUserId(),
new DateTime(output.getCreatedAt()),
new HashMap<>(output.getConfiguration()),
output.getContentPack()
));
}
return OutputListResponse.create(outputs);
}
@GET
@Path("/{outputId}")
@Timed
@ApiOperation(value = "Get specific output")
@Produces(MediaType.APPLICATION_JSON)
@ApiResponses(value = {
@ApiResponse(code = 404, message = "No such output on this node.")
})
public OutputSummary get(@ApiParam(name = "outputId", value = "The id of the output we want.", required = true) @PathParam("outputId") String outputId) throws NotFoundException {
checkPermission(RestPermissions.OUTPUTS_READ, outputId);
final Output output = outputService.load(outputId);
return OutputSummary.create(output.getId(), output.getTitle(), output.getType(), output.getCreatorUserId(), new DateTime(output.getCreatedAt()), output.getConfiguration(), output.getContentPack());
}
@POST
@Timed
@ApiOperation(value = "Create an output")
@Consumes(MediaType.APPLICATION_JSON)
@Produces(MediaType.APPLICATION_JSON)
@ApiResponses(value = {
@ApiResponse(code = 400, message = "Invalid output specification in input.", response = OutputSummary.class)
})
@AuditEvent(type = AuditEventTypes.MESSAGE_OUTPUT_CREATE)
public Response create(@ApiParam(name = "JSON body", required = true) CreateOutputRequest csor) throws ValidationException {
checkPermission(RestPermissions.OUTPUTS_CREATE);
final AvailableOutputSummary outputSummary = messageOutputFactory.getAvailableOutputs().get(csor.type());
if (outputSummary == null) {
throw new ValidationException("type", "Invalid output type");
}
// Make sure the config values will be stored with the correct type.
final CreateOutputRequest createOutputRequest = CreateOutputRequest.create(
csor.title(),
csor.type(),
ConfigurationMapConverter.convertValues(csor.configuration(), outputSummary.requestedConfiguration()),
csor.streams()
);
final Output output = outputService.create(createOutputRequest, getCurrentUser().getName());
final URI outputUri = getUriBuilderToSelf().path(OutputResource.class)
.path("{outputId}")
.build(output.getId());
return Response.created(outputUri).entity(
OutputSummary.create(
output.getId(),
output.getTitle(),
output.getType(),
output.getCreatorUserId(),
new DateTime(output.getCreatedAt()),
new HashMap<>(output.getConfiguration()),
output.getContentPack()
)
).build();
}
@DELETE
@Path("/{outputId}")
@Timed
@ApiOperation(value = "Delete output")
@Produces(MediaType.APPLICATION_JSON)
@ApiResponses(value = {
@ApiResponse(code = 404, message = "No such stream/output on this node.")
})
@AuditEvent(type = AuditEventTypes.MESSAGE_OUTPUT_DELETE)
public void delete(@ApiParam(name = "outputId", value = "The id of the output that should be deleted", required = true)
@PathParam("outputId") String outputId) throws org.graylog2.database.NotFoundException {
checkPermission(RestPermissions.OUTPUTS_TERMINATE);
final Output output = outputService.load(outputId);
outputService.destroy(output);
}
@GET
@Path("/available")
@Timed
@ApiOperation(value = "Get all available output modules")
@Produces(MediaType.APPLICATION_JSON)
public Map> available() {
checkPermission(RestPermissions.OUTPUTS_READ);
return ImmutableMap.of("types", messageOutputFactory.getAvailableOutputs());
}
@PUT
@Path("/{outputId}")
@Timed
@ApiOperation(value = "Update output")
@Produces(MediaType.APPLICATION_JSON)
@ApiResponses(value = {
@ApiResponse(code = 404, message = "No such output on this node.")
})
@AuditEvent(type = AuditEventTypes.MESSAGE_OUTPUT_UPDATE)
public Output update(@ApiParam(name = "outputId", value = "The id of the output that should be deleted", required = true)
@PathParam("outputId") String outputId,
@ApiParam(name = "JSON body", required = true) Map deltas) throws ValidationException, NotFoundException {
checkPermission(RestPermissions.OUTPUTS_EDIT, outputId);
final Output oldOutput = outputService.load(outputId);
final AvailableOutputSummary outputSummary = messageOutputFactory.getAvailableOutputs().get(oldOutput.getType());
if (outputSummary == null) {
throw new ValidationException("type", "Invalid output type");
}
deltas.remove("streams");
if (deltas.containsKey("configuration")) {
@SuppressWarnings("unchecked")
final Map configuration = (Map) deltas.get("configuration");
deltas.put("configuration", ConfigurationMapConverter.convertValues(configuration, outputSummary.requestedConfiguration()));
}
return this.outputService.update(outputId, deltas);
}
}
