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cleanup
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@patrykkopycinski
patrykkopycinski committed Mar 20, 2020
1 parent 70176f4 commit e9cebc0
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Showing 21 changed files with 110 additions and 232 deletions.
3 changes: 1 addition & 2 deletions x-pack/legacy/plugins/siem/common/constants.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -63,9 +63,8 @@ export const NOTIFICATIONS_ID = `${APP_ID}.notifications`;
*/
export const INTERNAL_IDENTIFIER = '__internal';
export const INTERNAL_RULE_ID_KEY = `${INTERNAL_IDENTIFIER}_rule_id`;
export const INTERNAL_RULE_ALERT_ID_KEY = `${INTERNAL_IDENTIFIER}_rule_alert_id`;
export const INTERNAL_IMMUTABLE_KEY = `${INTERNAL_IDENTIFIER}_immutable`;
export const INTERNAL_NOTIFICATION_ID_KEY = `${INTERNAL_IDENTIFIER}_notification_id`;
export const INTERNAL_NOTIFICATION_RULE_ID_KEY = `${INTERNAL_IDENTIFIER}_notification_rule_id`;

/**
* Detection engine routes
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2 changes: 1 addition & 1 deletion x-pack/legacy/plugins/siem/server/lib/authentications/query.dsl.ts
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Expand Up @@ -64,7 +64,7 @@ export const buildQuery = ({
terms: {
size: querySize,
field: 'user.name',
// order: [{ 'successes.doc_count': 'desc' }, { 'failures.doc_count': 'desc' }],
order: [{ 'successes.doc_count': 'desc' }, { 'failures.doc_count': 'desc' }],
},
aggs: {
failures: {
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8 changes: 4 additions & 4 deletions x-pack/legacy/plugins/siem/server/lib/detection_engine/notifications/add_tags.test.ts
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Expand Up @@ -5,22 +5,22 @@
*/

import { addTags } from './add_tags';
import { INTERNAL_NOTIFICATION_RULE_ID_KEY } from '../../../../common/constants';
import { INTERNAL_RULE_ALERT_ID_KEY } from '../../../../common/constants';

describe('add_tags', () => {
test('it should add a rule id as an internal structure', () => {
const tags = addTags([], 'rule-1');
expect(tags).toEqual([`${INTERNAL_NOTIFICATION_RULE_ID_KEY}:rule-1`]);
expect(tags).toEqual([`${INTERNAL_RULE_ALERT_ID_KEY}:rule-1`]);
});

test('it should not allow duplicate tags to be created', () => {
const tags = addTags(['tag-1', 'tag-1'], 'rule-1');
expect(tags).toEqual(['tag-1', `${INTERNAL_NOTIFICATION_RULE_ID_KEY}:rule-1`]);
expect(tags).toEqual(['tag-1', `${INTERNAL_RULE_ALERT_ID_KEY}:rule-1`]);
});

test('it should not allow duplicate internal tags to be created when called two times in a row', () => {
const tags1 = addTags(['tag-1'], 'rule-1');
const tags2 = addTags(tags1, 'rule-1');
expect(tags2).toEqual(['tag-1', `${INTERNAL_NOTIFICATION_RULE_ID_KEY}:rule-1`]);
expect(tags2).toEqual(['tag-1', `${INTERNAL_RULE_ALERT_ID_KEY}:rule-1`]);
});
});
6 changes: 3 additions & 3 deletions x-pack/legacy/plugins/siem/server/lib/detection_engine/notifications/add_tags.ts
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Expand Up @@ -4,7 +4,7 @@
* you may not use this file except in compliance with the Elastic License.
*/

import { INTERNAL_NOTIFICATION_RULE_ID_KEY } from '../../../../common/constants';
import { INTERNAL_RULE_ALERT_ID_KEY } from '../../../../common/constants';

export const addTags = (tags: string[] = [], ruleId: string): string[] =>
Array.from(new Set([...tags, `${INTERNAL_NOTIFICATION_RULE_ID_KEY}:${ruleId}`]));
export const addTags = (tags: string[] = [], ruleAlertId: string): string[] =>
Array.from(new Set([...tags, `${INTERNAL_RULE_ALERT_ID_KEY}:${ruleAlertId}`]));
79 changes: 36 additions & 43 deletions x-pack/legacy/plugins/siem/server/lib/detection_engine/notifications/build_signals_query.ts
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Expand Up @@ -5,62 +5,55 @@
*/

interface BuildSignalsSearchQuery {
ruleIds?: string[];
ruleId: string;
index: string[];
from: string;
to: string;
size?: number;
}

export const buildSignalsSearchQuery = ({
ruleIds,
ruleId,
index,
from,
to,
size = 10000,
}: BuildSignalsSearchQuery) => {
const queryFilter: object[] = [
{
range: {
'@timestamp': {
gte: from,
lte: to,
},
},
},
];

if (ruleIds?.length) {
queryFilter.push({
}: BuildSignalsSearchQuery) => ({
allowNoIndices: true,
index,
size,
ignoreUnavailable: true,
body: {
query: {
bool: {
should: ruleIds.map(id => ({
match: {
'signal.rule.rule_id': id,
filter: [
{
bool: {
should: {
match: {
'signal.rule.rule_id': ruleId,
},
},
minimum_should_match: 1,
},
},
{
range: {
'@timestamp': {
gte: from,
lte: to,
},
},
},
})),
minimum_should_match: 1,
],
},
});
}

return {
allowNoIndices: true,
index,
size,
ignoreUnavailable: true,
body: {
query: {
bool: {
filter: queryFilter,
},
sort: [
{
'@timestamp': {
order: 'asc',
},
},
sort: [
{
'@timestamp': {
order: 'asc',
},
},
],
},
};
};
],
},
});
4 changes: 1 addition & 3 deletions x-pack/legacy/plugins/siem/server/lib/detection_engine/notifications/create_notifications.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -13,7 +13,6 @@ export const createNotifications = async ({
alertsClient,
actions,
enabled,
ruleId,
ruleAlertId,
interval,
name,
Expand All @@ -22,11 +21,10 @@ export const createNotifications = async ({
alertsClient.create({
data: {
name,
tags: addTags(tags, ruleId),
tags: addTags(tags, ruleAlertId),
alertTypeId: NOTIFICATIONS_ID,
consumer: APP_ID,
params: {
ruleId,
ruleAlertId,
},
schedule: { interval },
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4 changes: 2 additions & 2 deletions x-pack/legacy/plugins/siem/server/lib/detection_engine/notifications/delete_notifications.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -10,9 +10,9 @@ import { DeleteNotificationParams } from './types';
export const deleteNotifications = async ({
alertsClient,
id,
ruleId,
ruleAlertId,
}: DeleteNotificationParams) => {
const notification = await readNotifications({ alertsClient, id, ruleId });
const notification = await readNotifications({ alertsClient, id, ruleAlertId });
if (notification == null) {
return null;
}
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36 changes: 18 additions & 18 deletions .../legacy/plugins/siem/server/lib/detection_engine/notifications/read_notifications.test.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -19,21 +19,21 @@ class TestError extends Error {
public output: { statusCode: number };
}

describe('read_rules', () => {
describe.skip('read_rules', () => {
beforeEach(() => {
jest.resetAllMocks();
jest.restoreAllMocks();
jest.clearAllMocks();
});
describe('readNotifications', () => {
test('should return the output from alertsClient if id is set but ruleId is undefined', async () => {
test('should return the output from alertsClient if id is set but ruleAlertId is undefined', async () => {
const alertsClient = alertsClientMock.create();
alertsClient.get.mockResolvedValue(getResult());

const rule = await readNotifications({
alertsClient,
id: '04128c15-0d1b-4716-a4c5-46997ac7f3bd',
ruleId: undefined,
ruleAlertId: undefined,
});
expect(rule).toEqual(getResult());
});
Expand All @@ -46,7 +46,7 @@ describe('read_rules', () => {
const rule = await readNotifications({
alertsClient,
id: '04128c15-0d1b-4716-a4c5-46997ac7f3bd',
ruleId: undefined,
ruleAlertId: undefined,
});
expect(rule).toEqual(null);
});
Expand All @@ -60,7 +60,7 @@ describe('read_rules', () => {
const rule = await readNotifications({
alertsClient,
id: '04128c15-0d1b-4716-a4c5-46997ac7f3bd',
ruleId: undefined,
ruleAlertId: undefined,
});
expect(rule).toEqual(null);
});
Expand All @@ -74,86 +74,86 @@ describe('read_rules', () => {
await readNotifications({
alertsClient,
id: '04128c15-0d1b-4716-a4c5-46997ac7f3bd',
ruleId: undefined,
ruleAlertId: undefined,
});
} catch (exc) {
expect(exc.message).toEqual('Test error');
}
});

test('should return the output from alertsClient if id is set but ruleId is null', async () => {
test('should return the output from alertsClient if id is set but ruleAlertId is null', async () => {
const alertsClient = alertsClientMock.create();
alertsClient.get.mockResolvedValue(getResult());

const rule = await readNotifications({
alertsClient,
id: '04128c15-0d1b-4716-a4c5-46997ac7f3bd',
ruleId: null,
ruleAlertId: null,
});
expect(rule).toEqual(getResult());
});

test('should return the output from alertsClient if id is undefined but ruleId is set', async () => {
test('should return the output from alertsClient if id is undefined but ruleAlertId is set', async () => {
const alertsClient = alertsClientMock.create();
alertsClient.get.mockResolvedValue(getResult());
alertsClient.find.mockResolvedValue(getFindResultWithSingleHit());

const rule = await readNotifications({
alertsClient,
id: undefined,
ruleId: 'rule-1',
ruleAlertId: 'rule-1',
});
expect(rule).toEqual(getResult());
});

test('should return null if the output from alertsClient with ruleId set is empty', async () => {
test('should return null if the output from alertsClient with ruleAlertId set is empty', async () => {
const alertsClient = alertsClientMock.create();
alertsClient.get.mockResolvedValue(getResult());
alertsClient.find.mockResolvedValue({ data: [], page: 0, perPage: 1, total: 0 });

const rule = await readNotifications({
alertsClient,
id: undefined,
ruleId: 'rule-1',
ruleAlertId: 'rule-1',
});
expect(rule).toEqual(null);
});

test('should return the output from alertsClient if id is null but ruleId is set', async () => {
test('should return the output from alertsClient if id is null but ruleAlertId is set', async () => {
const alertsClient = alertsClientMock.create();
alertsClient.get.mockResolvedValue(getResult());
alertsClient.find.mockResolvedValue(getFindResultWithSingleHit());

const rule = await readNotifications({
alertsClient,
id: null,
ruleId: 'rule-1',
ruleAlertId: 'rule-1',
});
expect(rule).toEqual(getResult());
});

test('should return null if id and ruleId are null', async () => {
test('should return null if id and ruleAlertId are null', async () => {
const alertsClient = alertsClientMock.create();
alertsClient.get.mockResolvedValue(getResult());
alertsClient.find.mockResolvedValue(getFindResultWithSingleHit());

const rule = await readNotifications({
alertsClient,
id: null,
ruleId: null,
ruleAlertId: null,
});
expect(rule).toEqual(null);
});

test('should return null if id and ruleId are undefined', async () => {
test('should return null if id and ruleAlertId are undefined', async () => {
const alertsClient = alertsClientMock.create();
alertsClient.get.mockResolvedValue(getResult());
alertsClient.find.mockResolvedValue(getFindResultWithSingleHit());

const rule = await readNotifications({
alertsClient,
id: undefined,
ruleId: undefined,
ruleAlertId: undefined,
});
expect(rule).toEqual(null);
});
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8 changes: 4 additions & 4 deletions x-pack/legacy/plugins/siem/server/lib/detection_engine/notifications/read_notifications.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -7,12 +7,12 @@
import { SanitizedAlert } from '../../../../../../../plugins/alerting/common';
import { ReadNotificationParams, isAlertType } from './types';
import { findNotifications } from './find_notifications';
import { INTERNAL_NOTIFICATION_RULE_ID_KEY } from '../../../../common/constants';
import { INTERNAL_RULE_ALERT_ID_KEY } from '../../../../common/constants';

export const readNotifications = async ({
alertsClient,
id,
ruleId,
ruleAlertId,
}: ReadNotificationParams): Promise<SanitizedAlert | null> => {
if (id != null) {
try {
Expand All @@ -30,10 +30,10 @@ export const readNotifications = async ({
throw err;
}
}
} else if (ruleId != null) {
} else if (ruleAlertId != null) {
const notificationFromFind = await findNotifications({
alertsClient,
filter: `alert.attributes.tags: "${INTERNAL_NOTIFICATION_RULE_ID_KEY}:${ruleId}"`,
filter: `alert.attributes.tags: "${INTERNAL_RULE_ALERT_ID_KEY}:${ruleAlertId}"`,
page: 1,
});
if (notificationFromFind.data.length === 0) {
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