[ResponseOps][Rules] Remove unintended internal Find routes API with …

…public access (elastic#193757)

## Summary

Fixes elastic#192957 

Removes the `internal/_find` route from public access by moving the
hard-coded `options` into the route builder functions.

---------

Co-authored-by: Elastic Machine <elasticmachine@users.noreply.github.com>

x-pack/plugins/alerting/server/routes/index.ts

@@ -20,7 +20,8 @@ import { deleteRuleRoute } from './rule/apis/delete/delete_rule_route';
 import { aggregateRulesRoute } from './rule/apis/aggregate/aggregate_rules_route';
 import { disableRuleRoute } from './rule/apis/disable/disable_rule_route';
 import { enableRuleRoute } from './rule/apis/enable/enable_rule_route';
-import { findRulesRoute, findInternalRulesRoute } from './rule/apis/find/find_rules_route';
+import { findRulesRoute } from './rule/apis/find/find_rules_route';
+import { findInternalRulesRoute } from './rule/apis/find/find_internal_rules_route';
 import { getRuleAlertSummaryRoute } from './get_rule_alert_summary';
 import { getRuleExecutionLogRoute } from './get_rule_execution_log';
 import { getGlobalExecutionLogRoute } from './get_global_execution_logs';

x-pack/plugins/alerting/server/routes/rule/apis/find/find_internal_rules_route.test.ts

@@ -0,0 +1,36 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0; you may not use this file except in compliance with the Elastic License
+ * 2.0.
+ */
+import { httpServiceMock } from '@kbn/core/server/mocks';
+import { licenseStateMock } from '../../../../lib/license_state.mock';
+import { findInternalRulesRoute } from './find_internal_rules_route';
+
+jest.mock('../../../../lib/license_api_access', () => ({
+  verifyApiAccess: jest.fn(),
+}));
+
+jest.mock('../../../lib/track_legacy_terminology', () => ({
+  trackLegacyTerminology: jest.fn(),
+}));
+
+beforeEach(() => {
+  jest.resetAllMocks();
+});
+
+describe('findInternalRulesRoute', () => {
+  it('registers the route without public access', async () => {
+    const licenseState = licenseStateMock.create();
+    const router = httpServiceMock.createRouter();
+
+    findInternalRulesRoute(router, licenseState);
+    expect(router.post).toHaveBeenCalledWith(
+      expect.not.objectContaining({
+        options: expect.objectContaining({ access: 'public' }),
+      }),
+      expect.any(Function)
+    );
+  });
+});

x-pack/plugins/alerting/server/routes/rule/apis/find/find_internal_rules_route.ts

@@ -0,0 +1,87 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0; you may not use this file except in compliance with the Elastic License
+ * 2.0.
+ */
+
+import { IRouter } from '@kbn/core/server';
+import { UsageCounter } from '@kbn/usage-collection-plugin/server';
+import type {
+  FindRulesRequestQueryV1,
+  FindRulesResponseV1,
+} from '../../../../../common/routes/rule/apis/find';
+import { findRulesRequestQuerySchemaV1 } from '../../../../../common/routes/rule/apis/find';
+import { RuleParamsV1 } from '../../../../../common/routes/rule/response';
+import { ILicenseState } from '../../../../lib';
+import {
+  AlertingRequestHandlerContext,
+  INTERNAL_ALERTING_API_FIND_RULES_PATH,
+} from '../../../../types';
+import { verifyAccessAndContext } from '../../../lib';
+import { trackLegacyTerminology } from '../../../lib/track_legacy_terminology';
+import { transformFindRulesBodyV1, transformFindRulesResponseV1 } from './transforms';
+
+export const findInternalRulesRoute = (
+  router: IRouter<AlertingRequestHandlerContext>,
+  licenseState: ILicenseState,
+  usageCounter?: UsageCounter
+) => {
+  router.post(
+    {
+      path: INTERNAL_ALERTING_API_FIND_RULES_PATH,
+      options: { access: 'internal' },
+      validate: {
+        body: findRulesRequestQuerySchemaV1,
+      },
+    },
+    router.handleLegacyErrors(
+      verifyAccessAndContext(licenseState, async function (context, req, res) {
+        const rulesClient = (await context.alerting).getRulesClient();
+
+        const body: FindRulesRequestQueryV1 = req.body;
+
+        trackLegacyTerminology(
+          [req.body.search, req.body.search_fields, req.body.sort_field].filter(
+            Boolean
+          ) as string[],
+          usageCounter
+        );
+
+        const options = transformFindRulesBodyV1({
+          ...body,
+          has_reference: body.has_reference || undefined,
+          search_fields: searchFieldsAsArray(body.search_fields),
+        });
+
+        if (req.body.fields) {
+          usageCounter?.incrementCounter({
+            counterName: `alertingFieldsUsage`,
+            counterType: 'alertingFieldsUsage',
+            incrementBy: 1,
+          });
+        }
+
+        const findResult = await rulesClient.find({
+          options,
+          excludeFromPublicApi: false,
+          includeSnoozeData: true,
+        });
+
+        const responseBody: FindRulesResponseV1<RuleParamsV1>['body'] =
+          transformFindRulesResponseV1<RuleParamsV1>(findResult, options.fields);
+
+        return res.ok({
+          body: responseBody,
+        });
+      })
+    )
+  );
+};
+
+function searchFieldsAsArray(searchFields: string | string[] | undefined): string[] | undefined {
+  if (!searchFields) {
+    return;
+  }
+  return Array.isArray(searchFields) ? searchFields : [searchFields];
+}

x-pack/plugins/alerting/server/routes/rule/apis/find/find_rules_route.test.ts

@@ -30,6 +30,18 @@ beforeEach(() => {
 });
 
 describe('findRulesRoute', () => {
+  it('registers the route with public access', async () => {
+    const licenseState = licenseStateMock.create();
+    const router = httpServiceMock.createRouter();
+
+    findRulesRoute(router, licenseState);
+    expect(router.get).toHaveBeenCalledWith(
+      expect.objectContaining({
+        options: expect.objectContaining({ access: 'public' }),
+      }),
+      expect.any(Function)
+    );
+  });
   it('finds rules with proper parameters', async () => {
     const licenseState = licenseStateMock.create();
     const router = httpServiceMock.createRouter();

x-pack/plugins/alerting/server/routes/rule/apis/find/find_rules_route.ts

@@ -7,40 +7,26 @@
 
 import { IRouter } from '@kbn/core/server';
 import { UsageCounter } from '@kbn/usage-collection-plugin/server';
-import { ILicenseState } from '../../../../lib';
-import { verifyAccessAndContext } from '../../../lib';
-import { findRulesRequestQuerySchemaV1 } from '../../../../../common/routes/rule/apis/find';
 import type {
   FindRulesRequestQueryV1,
   FindRulesResponseV1,
 } from '../../../../../common/routes/rule/apis/find';
+import { findRulesRequestQuerySchemaV1 } from '../../../../../common/routes/rule/apis/find';
 import { RuleParamsV1, ruleResponseSchemaV1 } from '../../../../../common/routes/rule/response';
-import {
-  AlertingRequestHandlerContext,
-  BASE_ALERTING_API_PATH,
-  INTERNAL_ALERTING_API_FIND_RULES_PATH,
-} from '../../../../types';
+import { ILicenseState } from '../../../../lib';
+import { AlertingRequestHandlerContext, BASE_ALERTING_API_PATH } from '../../../../types';
+import { verifyAccessAndContext } from '../../../lib';
 import { trackLegacyTerminology } from '../../../lib/track_legacy_terminology';
 import { transformFindRulesBodyV1, transformFindRulesResponseV1 } from './transforms';
 
-interface BuildFindRulesRouteParams {
-  licenseState: ILicenseState;
-  path: string;
-  router: IRouter<AlertingRequestHandlerContext>;
-  excludeFromPublicApi?: boolean;
-  usageCounter?: UsageCounter;
-}
-
-const buildFindRulesRoute = ({
-  licenseState,
-  path,
-  router,
-  excludeFromPublicApi = false,
-  usageCounter,
-}: BuildFindRulesRouteParams) => {
+export const findRulesRoute = (
+  router: IRouter<AlertingRequestHandlerContext>,
+  licenseState: ILicenseState,
+  usageCounter?: UsageCounter
+) => {
   router.get(
     {
-      path,
+      path: `${BASE_ALERTING_API_PATH}/rules/_find`,
       options: {
         access: 'public',
         summary: 'Get information about rules',
@@ -91,7 +77,7 @@ const buildFindRulesRoute = ({
 
         const findResult = await rulesClient.find({
           options,
-          excludeFromPublicApi,
+          excludeFromPublicApi: true,
           includeSnoozeData: true,
         });
 
@@ -104,86 +90,6 @@ const buildFindRulesRoute = ({
       })
     )
   );
-  if (path === INTERNAL_ALERTING_API_FIND_RULES_PATH) {
-    router.post(
-      {
-        path,
-        options: { access: 'internal' },
-        validate: {
-          body: findRulesRequestQuerySchemaV1,
-        },
-      },
-      router.handleLegacyErrors(
-        verifyAccessAndContext(licenseState, async function (context, req, res) {
-          const rulesClient = (await context.alerting).getRulesClient();
-
-          const body: FindRulesRequestQueryV1 = req.body;
-
-          trackLegacyTerminology(
-            [req.body.search, req.body.search_fields, req.body.sort_field].filter(
-              Boolean
-            ) as string[],
-            usageCounter
-          );
-
-          const options = transformFindRulesBodyV1({
-            ...body,
-            has_reference: body.has_reference || undefined,
-            search_fields: searchFieldsAsArray(body.search_fields),
-          });
-
-          if (req.body.fields) {
-            usageCounter?.incrementCounter({
-              counterName: `alertingFieldsUsage`,
-              counterType: 'alertingFieldsUsage',
-              incrementBy: 1,
-            });
-          }
-
-          const findResult = await rulesClient.find({
-            options,
-            excludeFromPublicApi,
-            includeSnoozeData: true,
-          });
-
-          const responseBody: FindRulesResponseV1<RuleParamsV1>['body'] =
-            transformFindRulesResponseV1<RuleParamsV1>(findResult, options.fields);
-
-          return res.ok({
-            body: responseBody,
-          });
-        })
-      )
-    );
-  }
-};
-
-export const findRulesRoute = (
-  router: IRouter<AlertingRequestHandlerContext>,
-  licenseState: ILicenseState,
-  usageCounter?: UsageCounter
-) => {
-  buildFindRulesRoute({
-    excludeFromPublicApi: true,
-    licenseState,
-    path: `${BASE_ALERTING_API_PATH}/rules/_find`,
-    router,
-    usageCounter,
-  });
-};
-
-export const findInternalRulesRoute = (
-  router: IRouter<AlertingRequestHandlerContext>,
-  licenseState: ILicenseState,
-  usageCounter?: UsageCounter
-) => {
-  buildFindRulesRoute({
-    excludeFromPublicApi: false,
-    licenseState,
-    path: INTERNAL_ALERTING_API_FIND_RULES_PATH,
-    router,
-    usageCounter,
-  });
 };
 
 function searchFieldsAsArray(searchFields: string | string[] | undefined): string[] | undefined {

x-pack/plugins/security_solution/public/detection_engine/rule_management/api/api.test.ts

@@ -854,9 +854,7 @@ describe('Detections Rules API', () => {
       expect(fetchMock).toHaveBeenCalledWith(
         expect.any(String),
         expect.objectContaining({
-          query: expect.objectContaining({
-            filter: 'alert.id:"alert:id1" or alert.id:"alert:id2"',
-          }),
+          body: '{"filter":"alert.id:\\"alert:id1\\" or alert.id:\\"alert:id2\\"","fields":"[\\"muteAll\\",\\"activeSnoozes\\",\\"isSnoozedUntil\\",\\"snoozeSchedule\\"]","per_page":2}',
         })
       );
     });
@@ -867,9 +865,7 @@ describe('Detections Rules API', () => {
       expect(fetchMock).toHaveBeenCalledWith(
         expect.any(String),
         expect.objectContaining({
-          query: expect.objectContaining({
-            per_page: 2,
-          }),
+          body: '{"filter":"alert.id:\\"alert:id1\\" or alert.id:\\"alert:id2\\"","fields":"[\\"muteAll\\",\\"activeSnoozes\\",\\"isSnoozedUntil\\",\\"snoozeSchedule\\"]","per_page":2}',
         })
       );
     });
@@ -880,14 +876,7 @@ describe('Detections Rules API', () => {
       expect(fetchMock).toHaveBeenCalledWith(
         expect.any(String),
         expect.objectContaining({
-          query: expect.objectContaining({
-            fields: JSON.stringify([
-              'muteAll',
-              'activeSnoozes',
-              'isSnoozedUntil',
-              'snoozeSchedule',
-            ]),
-          }),
+          body: '{"filter":"alert.id:\\"alert:id1\\" or alert.id:\\"alert:id2\\"","fields":"[\\"muteAll\\",\\"activeSnoozes\\",\\"isSnoozedUntil\\",\\"snoozeSchedule\\"]","per_page":2}',
         })
       );
     });

x-pack/plugins/security_solution/public/detection_engine/rule_management/api/api.ts

@@ -241,12 +241,12 @@ export const fetchRulesSnoozeSettings = async ({
   const response = await KibanaServices.get().http.fetch<RulesSnoozeSettingsBatchResponse>(
     INTERNAL_ALERTING_API_FIND_RULES_PATH,
     {
-      method: 'GET',
-      query: {
+      method: 'POST',
+      body: JSON.stringify({
         filter: ids.map((x) => `alert.id:"alert:${x}"`).join(' or '),
         fields: JSON.stringify(['muteAll', 'activeSnoozes', 'isSnoozedUntil', 'snoozeSchedule']),
         per_page: ids.length,
-      },
+      }),
       signal,
     }
   );

x-pack/plugins/security_solution/public/detection_engine/rule_management/api/hooks/use_fetch_rules_snooze_settings_query.ts

@@ -13,7 +13,7 @@ import type { RulesSnoozeSettingsMap } from '../../logic';
 import { fetchRulesSnoozeSettings } from '../api';
 import { DEFAULT_QUERY_OPTIONS } from './constants';
 
-const FETCH_RULE_SNOOZE_SETTINGS_QUERY_KEY = ['GET', INTERNAL_ALERTING_API_FIND_RULES_PATH];
+const FETCH_RULE_SNOOZE_SETTINGS_QUERY_KEY = ['POST', INTERNAL_ALERTING_API_FIND_RULES_PATH];
 
 /**
  * A wrapper around useQuery provides default values to the underlying query,