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/**
* This file is part of Graylog.
*
* Graylog is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Graylog 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
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Graylog. If not, see .
*/
package org.graylog2.rest.resources.streams.outputs;
import com.codahale.metrics.annotation.Timed;
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.apache.shiro.authz.annotation.RequiresPermissions;
import org.graylog2.database.NotFoundException;
import org.graylog2.outputs.OutputRegistry;
import org.graylog2.plugin.database.ValidationException;
import org.graylog2.plugin.streams.Output;
import org.graylog2.plugin.streams.Stream;
import org.graylog2.rest.models.streams.outputs.OutputListResponse;
import org.graylog2.rest.models.streams.outputs.requests.AddOutputRequest;
import org.graylog2.rest.models.system.outputs.responses.OutputSummary;
import org.graylog2.shared.rest.resources.RestResource;
import org.graylog2.shared.security.RestPermissions;
import org.graylog2.streams.OutputService;
import org.graylog2.streams.StreamService;
import org.joda.time.DateTime;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.inject.Inject;
import javax.validation.Valid;
import javax.validation.constraints.NotNull;
import javax.ws.rs.Consumes;
import javax.ws.rs.DELETE;
import javax.ws.rs.GET;
import javax.ws.rs.POST;
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.util.HashMap;
import java.util.HashSet;
import java.util.Set;
@RequiresAuthentication
@Api(value = "StreamOutputs", description = "Manage stream outputs for a given stream")
@Path("/streams/{streamid}/outputs")
public class StreamOutputResource extends RestResource {
private static final Logger LOG = LoggerFactory.getLogger(StreamOutputResource.class);
private final OutputService outputService;
private final StreamService streamService;
private final OutputRegistry outputRegistry;
@Inject
public StreamOutputResource(OutputService outputService, StreamService streamService, OutputRegistry outputRegistry) {
this.outputService = outputService;
this.streamService = streamService;
this.outputRegistry = outputRegistry;
}
@GET
@Timed
@ApiOperation(value = "Get a list of all outputs for a stream")
@RequiresPermissions(RestPermissions.STREAM_OUTPUTS_CREATE)
@Produces(MediaType.APPLICATION_JSON)
@ApiResponses(value = {
@ApiResponse(code = 404, message = "No such stream on this node.")
})
public OutputListResponse get(@ApiParam(name = "streamid", value = "The id of the stream whose outputs we want.", required = true)
@PathParam("streamid") String streamid) throws org.graylog2.database.NotFoundException {
checkPermission(RestPermissions.STREAMS_READ, streamid);
checkPermission(RestPermissions.STREAM_OUTPUTS_READ);
final Stream stream = streamService.load(streamid);
final Set outputs = new HashSet<>();
for (Output output : stream.getOutputs())
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 of a stream")
@RequiresPermissions(RestPermissions.STREAM_OUTPUTS_READ)
@Produces(MediaType.APPLICATION_JSON)
@ApiResponses(value = {
@ApiResponse(code = 404, message = "No such stream/output on this node.")
})
public OutputSummary get(@ApiParam(name = "streamid", value = "The id of the stream whose outputs we want.", required = true) @PathParam("streamid") String streamid,
@ApiParam(name = "outputId", value = "The id of the output we want.", required = true) @PathParam("outputId") String outputId) throws NotFoundException {
checkPermission(RestPermissions.STREAMS_READ, streamid);
checkPermission(RestPermissions.STREAM_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 = "Associate outputs with a stream")
@Consumes(MediaType.APPLICATION_JSON)
@Produces(MediaType.APPLICATION_JSON)
@RequiresPermissions(RestPermissions.STREAM_OUTPUTS_CREATE)
@ApiResponses(value = {
@ApiResponse(code = 400, message = "Invalid output specification in input.")
})
public Response add(@ApiParam(name = "streamid", value = "The id of the stream whose outputs we want.", required = true)
@PathParam("streamid") String streamid,
@ApiParam(name = "JSON body", required = true)
@Valid @NotNull AddOutputRequest aor) throws ValidationException, NotFoundException {
final Stream stream = streamService.load(streamid);
for (String outputId : aor.outputs()) {
final Output output = outputService.load(outputId);
streamService.addOutput(stream, output);
}
return Response.accepted().build();
}
@DELETE
@Path("/{outputId}")
@Timed
@RequiresPermissions(RestPermissions.STREAM_OUTPUTS_DELETE)
@Produces(MediaType.APPLICATION_JSON)
@ApiOperation(value = "Delete output of a stream")
@ApiResponses(value = {
@ApiResponse(code = 404, message = "No such stream/output on this node.")
})
public void remove(@ApiParam(name = "streamid", value = "The id of the stream whose outputs we want.", required = true)
@PathParam("streamid") String streamid,
@ApiParam(name = "outputId", value = "The id of the output that should be deleted", required = true)
@PathParam("outputId") String outputId) throws org.graylog2.database.NotFoundException {
final Stream stream = streamService.load(streamid);
final Output output = outputService.load(outputId);
streamService.removeOutput(stream, output);
outputRegistry.removeOutput(output);
}
}
