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org.graylog2.rest.resources.streams.StreamResource Maven / Gradle / Ivy
/**
* 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 rules = firstNonNull(cr.rules(), Collections.emptyList());
for (CreateStreamRuleRequest request : rules) {
StreamRule streamRule = streamRuleService.create(id, request);
streamRuleService.save(streamRule);
}
final Map result = ImmutableMap.of("stream_id", id);
final URI streamUri = getUriBuilderToSelf().path(StreamResource.class)
.path("{streamId}")
.build(id);
return Response.created(streamUri).entity(result).build();
}
@GET
@Timed
@ApiOperation(value = "Get a list of all streams")
@Produces(MediaType.APPLICATION_JSON)
public StreamListResponse get() {
final List allStreams = streamService.loadAll();
final List streams = new ArrayList<>(allStreams.size());
for (Stream stream : allStreams) {
if (isPermitted(RestPermissions.STREAMS_READ, stream.getId())) {
streams.add(stream);
}
}
return StreamListResponse.create(streams.size(), streams.stream().map(this::streamToResponse).collect(Collectors.toSet()));
}
@GET
@Path("/enabled")
@Timed
@ApiOperation(value = "Get a list of all enabled streams")
@Produces(MediaType.APPLICATION_JSON)
public StreamListResponse getEnabled() throws NotFoundException {
final List enabledStreams = streamService.loadAllEnabled();
final List streams = new ArrayList<>(enabledStreams.size());
for (Stream stream : enabledStreams) {
if (isPermitted(RestPermissions.STREAMS_READ, stream.getId())) {
streams.add(stream);
}
}
return StreamListResponse.create(streams.size(), streams.stream().map(this::streamToResponse).collect(Collectors.toSet()));
}
@GET
@Path("/{streamId}")
@Timed
@ApiOperation(value = "Get a single stream")
@Produces(MediaType.APPLICATION_JSON)
@ApiResponses(value = {
@ApiResponse(code = 404, message = "Stream not found."),
@ApiResponse(code = 400, message = "Invalid ObjectId.")
})
public StreamResponse get(@ApiParam(name = "streamId", required = true)
@PathParam("streamId") @NotEmpty String streamId) throws NotFoundException {
checkPermission(RestPermissions.STREAMS_READ, streamId);
return streamToResponse(streamService.load(streamId));
}
@PUT
@Timed
@Path("/{streamId}")
@ApiOperation(value = "Update a stream")
@Consumes(MediaType.APPLICATION_JSON)
@Produces(MediaType.APPLICATION_JSON)
@ApiResponses(value = {
@ApiResponse(code = 404, message = "Stream not found."),
@ApiResponse(code = 400, message = "Invalid ObjectId.")
})
public StreamResponse update(@ApiParam(name = "streamId", required = true)
@PathParam("streamId") String streamId,
@ApiParam(name = "JSON body", required = true)
@Valid @NotNull UpdateStreamRequest cr) throws NotFoundException, ValidationException {
checkPermission(RestPermissions.STREAMS_EDIT, streamId);
final Stream stream = streamService.load(streamId);
if (!Strings.isNullOrEmpty(cr.title())) {
stream.setTitle(cr.title());
}
if (!Strings.isNullOrEmpty(cr.description())) {
stream.setDescription(cr.description());
}
if (cr.matchingType() != null) {
try {
stream.setMatchingType(Stream.MatchingType.valueOf(cr.matchingType()));
} catch (IllegalArgumentException e) {
throw new BadRequestException("Invalid matching type '" + cr.matchingType()
+ "' specified. Should be one of: " + Arrays.toString(Stream.MatchingType.values()));
}
}
streamService.save(stream);
return streamToResponse(stream);
}
@DELETE
@Path("/{streamId}")
@Timed
@ApiOperation(value = "Delete a stream")
@ApiResponses(value = {
@ApiResponse(code = 404, message = "Stream not found."),
@ApiResponse(code = 400, message = "Invalid ObjectId.")
})
public void delete(@ApiParam(name = "streamId", required = true) @PathParam("streamId") String streamId) throws NotFoundException {
checkPermission(RestPermissions.STREAMS_EDIT, streamId);
final Stream stream = streamService.load(streamId);
streamService.destroy(stream);
}
@POST
@Path("/{streamId}/pause")
@Timed
@ApiOperation(value = "Pause a stream")
@ApiResponses(value = {
@ApiResponse(code = 404, message = "Stream not found."),
@ApiResponse(code = 400, message = "Invalid or missing Stream id.")
})
public void pause(@ApiParam(name = "streamId", required = true)
@PathParam("streamId") @NotEmpty String streamId) throws NotFoundException, ValidationException {
checkAnyPermission(new String[]{RestPermissions.STREAMS_CHANGESTATE, RestPermissions.STREAMS_EDIT}, streamId);
final Stream stream = streamService.load(streamId);
streamService.pause(stream);
}
@POST
@Path("/{streamId}/resume")
@Timed
@ApiOperation(value = "Resume a stream")
@ApiResponses(value = {
@ApiResponse(code = 404, message = "Stream not found."),
@ApiResponse(code = 400, message = "Invalid or missing Stream id.")
})
public void resume(@ApiParam(name = "streamId", required = true)
@PathParam("streamId") @NotEmpty String streamId) throws NotFoundException, ValidationException {
checkAnyPermission(new String[]{RestPermissions.STREAMS_CHANGESTATE, RestPermissions.STREAMS_EDIT}, streamId);
final Stream stream = streamService.load(streamId);
streamService.resume(stream);
}
@POST
@Path("/{streamId}/testMatch")
@Timed
@ApiOperation(value = "Test matching of a stream against a supplied message")
@ApiResponses(value = {
@ApiResponse(code = 404, message = "Stream not found."),
@ApiResponse(code = 400, message = "Invalid or missing Stream id.")
})
public TestMatchResponse testMatch(@ApiParam(name = "streamId", required = true)
@PathParam("streamId") String streamId,
@ApiParam(name = "JSON body", required = true)
@NotNull Map> serialisedMessage) throws NotFoundException {
checkPermission(RestPermissions.STREAMS_READ, streamId);
final Stream stream = streamService.load(streamId);
// This is such a hack...
final Map m = new HashMap<>(serialisedMessage.get("message"));
final String timeStamp = firstNonNull((String) m.get(Message.FIELD_TIMESTAMP),
DateTime.now(DateTimeZone.UTC).toString(ISODateTimeFormat.dateTime()));
m.put(Message.FIELD_TIMESTAMP, Tools.dateTimeFromString(timeStamp));
final Message message = new Message(m);
final StreamRouterEngine streamRouterEngine = streamRouterEngineFactory.create(Lists.newArrayList(stream), Executors.newSingleThreadExecutor());
final List streamTestMatches = streamRouterEngine.testMatch(message);
final StreamRouterEngine.StreamTestMatch streamTestMatch = streamTestMatches.get(0);
final Map rules = Maps.newHashMap();
for (Map.Entry match : streamTestMatch.getMatches().entrySet()) {
rules.put(match.getKey().getId(), match.getValue());
}
return TestMatchResponse.create(streamTestMatch.isMatched(), rules);
}
@POST
@Path("/{streamId}/clone")
@Timed
@ApiOperation(value = "Clone a stream")
@ApiResponses(value = {
@ApiResponse(code = 404, message = "Stream not found."),
@ApiResponse(code = 400, message = "Invalid or missing Stream id.")
})
@Consumes(MediaType.APPLICATION_JSON)
@Produces(MediaType.APPLICATION_JSON)
public Response cloneStream(@ApiParam(name = "streamId", required = true) @PathParam("streamId") String streamId,
@ApiParam(name = "JSON body", required = true) @Valid @NotNull CloneStreamRequest cr) throws ValidationException, NotFoundException {
checkPermission(RestPermissions.STREAMS_CREATE);
checkPermission(RestPermissions.STREAMS_READ, streamId);
final Stream sourceStream = streamService.load(streamId);
// Create stream.
final Map streamData = Maps.newHashMap();
streamData.put(StreamImpl.FIELD_TITLE, cr.title());
streamData.put(StreamImpl.FIELD_DESCRIPTION, cr.description());
streamData.put(StreamImpl.FIELD_CREATOR_USER_ID, getCurrentUser().getName());
streamData.put(StreamImpl.FIELD_CREATED_AT, Tools.nowUTC());
streamData.put(StreamImpl.FIELD_MATCHING_TYPE, sourceStream.getMatchingType().toString());
final Stream stream = streamService.create(streamData);
streamService.pause(stream);
final String id = streamService.save(stream);
final List sourceStreamRules = streamRuleService.loadForStream(sourceStream);
if (sourceStreamRules.size() > 0) {
for (StreamRule streamRule : sourceStreamRules) {
Map streamRuleData = Maps.newHashMap();
streamRuleData.put("type", streamRule.getType().toInteger());
streamRuleData.put("field", streamRule.getField());
streamRuleData.put("value", streamRule.getValue());
streamRuleData.put("inverted", streamRule.getInverted());
streamRuleData.put("stream_id", new ObjectId(id));
StreamRule newStreamRule = streamRuleService.create(streamRuleData);
streamRuleService.save(newStreamRule);
}
}
for (AlertCondition alertCondition : streamService.getAlertConditions(sourceStream)) {
streamService.addAlertCondition(stream, alertCondition);
}
for (AlarmCallbackConfiguration alarmCallbackConfiguration : alarmCallbackConfigurationService.getForStream(sourceStream)) {
final CreateAlarmCallbackRequest request = new CreateAlarmCallbackRequest();
request.type = alarmCallbackConfiguration.getType();
request.configuration = alarmCallbackConfiguration.getConfiguration();
final AlarmCallbackConfiguration alarmCallback = alarmCallbackConfigurationService.create(stream.getId(), request, getCurrentUser().getName());
alarmCallbackConfigurationService.save(alarmCallback);
}
for (Map.Entry> entry : sourceStream.getAlertReceivers().entrySet()) {
for (String receiver : entry.getValue()) {
streamService.addAlertReceiver(stream, entry.getKey(), receiver);
}
}
for (Output output : sourceStream.getOutputs()) {
streamService.addOutput(stream, output);
}
final Map result = ImmutableMap.of("stream_id", id);
final URI streamUri = getUriBuilderToSelf().path(StreamResource.class)
.path("{streamId}")
.build(id);
return Response.created(streamUri).entity(result).build();
}
private StreamResponse streamToResponse(Stream stream) {
final List emailAlertReceivers = stream.getAlertReceivers().get("emails");
final List usersAlertReceivers = stream.getAlertReceivers().get("users");
return StreamResponse.create(
stream.getId(),
(String)stream.getFields().get(StreamImpl.FIELD_CREATOR_USER_ID),
outputsToSummaries(stream.getOutputs()),
stream.getMatchingType().name(),
stream.getDescription(),
stream.getFields().get(StreamImpl.FIELD_CREATED_AT).toString(),
stream.getDisabled(),
stream.getStreamRules(),
stream.getAlertConditions(),
AlertReceivers.create(
emailAlertReceivers == null ? Collections.emptyList() : emailAlertReceivers,
usersAlertReceivers == null ? Collections.emptyList() : usersAlertReceivers
),
stream.getTitle(),
stream.getContentPack()
);
}
private Collection outputsToSummaries(Collection outputs) {
return outputs.stream()
.map((output) -> OutputSummary.create(output.getId(),output.getTitle(), output.getType(),
output.getCreatorUserId(), new DateTime(output.getCreatedAt()), output.getConfiguration(), output.getContentPack()))
.collect(Collectors.toSet());
}
}
