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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.alerts;
import com.codahale.metrics.annotation.Timed;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.Lists;
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.alerts.AbstractAlertCondition;
import org.graylog2.alerts.AlertService;
import org.graylog2.database.NotFoundException;
import org.graylog2.plugin.database.ValidationException;
import org.graylog2.plugin.alarms.AlertCondition;
import org.graylog2.plugin.streams.Stream;
import org.graylog2.shared.rest.resources.RestResource;
import org.graylog2.rest.models.streams.alerts.requests.CreateConditionRequest;
import org.graylog2.shared.security.RestPermissions;
import org.graylog2.streams.StreamService;
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.BadRequestException;
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.List;
import java.util.Map;
@RequiresAuthentication
@Api(value = "AlertConditions", description = "Manage stream alert conditions")
@Path("/streams/{streamId}/alerts/conditions")
public class StreamAlertConditionResource extends RestResource {
private static final Logger LOG = LoggerFactory.getLogger(StreamAlertConditionResource.class);
private final StreamService streamService;
private final AlertService alertService;
@Inject
public StreamAlertConditionResource(StreamService streamService, AlertService alertService) {
this.streamService = streamService;
this.alertService = alertService;
}
@POST
@Timed
@ApiOperation(value = "Create an alert condition")
@Consumes(MediaType.APPLICATION_JSON)
@Produces(MediaType.APPLICATION_JSON)
@ApiResponses(value = {
@ApiResponse(code = 404, message = "Stream not found."),
@ApiResponse(code = 400, message = "Invalid ObjectId.")
})
public Response create(@ApiParam(name = "streamId", value = "The stream id this new alert condition belongs to.", required = true)
@PathParam("streamId") String streamid,
@ApiParam(name = "JSON body", required = true)
@Valid @NotNull CreateConditionRequest ccr) throws NotFoundException, ValidationException {
checkPermission(RestPermissions.STREAMS_EDIT, streamid);
final Stream stream = streamService.load(streamid);
final AlertCondition alertCondition;
try {
alertCondition = alertService.fromRequest(ccr, stream, getCurrentUser().getName());
} catch (AbstractAlertCondition.NoSuchAlertConditionTypeException e) {
LOG.error("Invalid alarm condition type.", e);
throw new BadRequestException(e);
}
streamService.addAlertCondition(stream, alertCondition);
final Map result = ImmutableMap.of("alert_condition_id", alertCondition.getId());
final URI alertConditionUri = getUriBuilderToSelf().path(StreamAlertConditionResource.class)
.path("{conditionId}")
.build(stream.getId(), alertCondition.getId());
return Response.created(alertConditionUri).entity(result).build();
}
@PUT
@Timed
@Path("{conditionId}")
@ApiOperation(value = "Modify an alert condition")
@Consumes(MediaType.APPLICATION_JSON)
@Produces(MediaType.APPLICATION_JSON)
@ApiResponses(value = {
@ApiResponse(code = 404, message = "Stream not found."),
@ApiResponse(code = 400, message = "Invalid ObjectId.")
})
public void update(@ApiParam(name = "streamId", value = "The stream id the alert condition belongs to.", required = true)
@PathParam("streamId") String streamid,
@ApiParam(name = "conditionId", value = "The alert condition id.", required = true)
@PathParam("conditionId") String conditionid,
@ApiParam(name = "JSON body", required = true)
@Valid @NotNull CreateConditionRequest ccr) throws NotFoundException, ValidationException {
checkPermission(RestPermissions.STREAMS_EDIT, streamid);
final Stream stream = streamService.load(streamid);
AlertCondition alertCondition = streamService.getAlertCondition(stream, conditionid);
final AlertCondition updatedCondition;
try {
updatedCondition = alertService.updateFromRequest(alertCondition, ccr);
} catch (AbstractAlertCondition.NoSuchAlertConditionTypeException e) {
LOG.error("Invalid alarm condition type.", e);
throw new BadRequestException(e);
}
streamService.updateAlertCondition(stream, updatedCondition);
}
@GET
@Timed
@ApiOperation(value = "Get all alert conditions of this stream")
@Produces(MediaType.APPLICATION_JSON)
@ApiResponses(value = {
@ApiResponse(code = 404, message = "Stream not found."),
@ApiResponse(code = 400, message = "Invalid ObjectId.")
})
public Map list(@ApiParam(name = "streamId", value = "The stream id this new alert condition belongs to.", required = true) @PathParam("streamId") String streamid) throws NotFoundException {
checkPermission(RestPermissions.STREAMS_READ, streamid);
final Stream stream = streamService.load(streamid);
final List