Incorporate tests from #48696

x-pack/legacy/plugins/integrations_manager/server/packages/handlers.ts

@@ -70,11 +70,15 @@ export async function handleGetInfo(req: PackageRequest, extra: Extra) {
 export const handleGetFile = async (req: Request, extra: Extra) => {
   if (!req.url.path) throw new Error('path is required');
   const filePath = req.url.path.replace(API_ROOT, '');
-  const response = await getFile(filePath);
-  const newResponse = extra.response(response.body);
-  // set the content type from the registry response
-  newResponse.header('Content-Type', response.headers.get('content-type') || '');
-  return newResponse;
+  const registryResponse = await getFile(filePath);
+  const epmResponse = extra.response(registryResponse.body);
+  const proxiedHeaders = ['Content-Type'];
+  proxiedHeaders.forEach(key => {
+    const value = registryResponse.headers.get(key);
+    if (value !== null) epmResponse.header(key, value);
+  });
+
+  return epmResponse;
 };
 
 export async function handleRequestInstall(req: InstallAssetRequest, extra: Extra) {

x-pack/legacy/plugins/integrations_manager/server/routes.ts

@@ -25,7 +25,7 @@ export const routes: ServerRoute[] = [
   {
     method: 'GET',
     path: `${CommonRoutes.API_INFO_PATTERN}/{filePath*}`,
-    options: { tags: [`access:${PLUGIN.ID}`], json: { space: 2 } },
+    options: { tags: [`access:${PLUGIN.ID}`] },
     handler: Packages.handleGetFile,
   },
   {

x-pack/test/epm_api_integration/apis/file.ts

@@ -0,0 +1,147 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License;
+ * you may not use this file except in compliance with the Elastic License.
+ */
+
+import ServerMock from 'mock-http-server';
+import { FtrProviderContext } from '../../api_integration/ftr_provider_context';
+
+export default function({ getService }: FtrProviderContext) {
+  describe('package file', () => {
+    const server = new ServerMock({ host: 'localhost', port: 6666 });
+    beforeEach(() => {
+      server.start(() => {});
+    });
+    afterEach(() => {
+      server.stop(() => {});
+    });
+    it('fetches a .png screenshot image', async () => {
+      server.on({
+        method: 'GET',
+        path: '/package/auditd-2.0.4/img/screenshots/auditbeat-file-integrity-dashboard.png',
+        reply: {
+          headers: { 'content-type': 'image/png' },
+        },
+      });
+
+      const supertest = getService('supertest');
+      await supertest
+        .get('/api/epm/package/auditd-2.0.4/img/screenshots/auditbeat-file-integrity-dashboard.png')
+        .set('kbn-xsrf', 'xxx')
+        .expect('Content-Type', 'image/png')
+        .expect(200);
+    });
+
+    it('fetches an .svg icon image', async () => {
+      server.on({
+        method: 'GET',
+        path: '/package/auditd-2.0.4/img/icon.svg',
+        reply: {
+          headers: { 'content-type': 'image/svg' },
+        },
+      });
+
+      const supertest = getService('supertest');
+      await supertest
+        .get('/api/epm/package/auditd-2.0.4/img/icon.svg')
+        .set('kbn-xsrf', 'xxx')
+        .expect('Content-Type', 'image/svg');
+    });
+
+    it('fetches an auditbeat .conf rule file', async () => {
+      server.on({
+        method: 'GET',
+        path: '/package/auditd-2.0.4/auditbeat/rules/sample-rules-linux-32bit.conf',
+      });
+
+      const supertest = getService('supertest');
+      await supertest
+        .get('/api/epm/package/auditd-2.0.4/auditbeat/rules/sample-rules-linux-32bit.conf')
+        .set('kbn-xsrf', 'xxx')
+        .expect('Content-Type', 'application/json; charset=utf-8')
+        .expect(200);
+    });
+
+    it('fetches an auditbeat .yml config file', async () => {
+      server.on({
+        method: 'GET',
+        path: '/package/auditd-2.0.4/auditbeat/config/config.yml',
+        reply: {
+          headers: { 'content-type': 'text/yaml; charset=UTF-8' },
+        },
+      });
+
+      const supertest = getService('supertest');
+      await supertest
+        .get('/api/epm/package/auditd-2.0.4/auditbeat/config/config.yml')
+        .set('kbn-xsrf', 'xxx')
+        .expect('Content-Type', 'text/yaml; charset=UTF-8')
+        .expect(200);
+    });
+
+    it('fetches a .json kibana visualization file', async () => {
+      server.on({
+        method: 'GET',
+        path:
+          '/package/auditd-2.0.4/kibana/visualization/b21e0c70-c252-11e7-8692-232bd1143e8a-ecs.json',
+      });
+
+      const supertest = getService('supertest');
+      await supertest
+        .get(
+          '/api/epm/package/auditd-2.0.4/kibana/visualization/b21e0c70-c252-11e7-8692-232bd1143e8a-ecs.json'
+        )
+        .set('kbn-xsrf', 'xxx')
+        .expect('Content-Type', 'application/json; charset=utf-8')
+        .expect(200);
+    });
+
+    it('fetches a .json kibana dashboard file', async () => {
+      server.on({
+        method: 'GET',
+        path:
+          '/package/auditd-2.0.4/kibana/dashboard/7de391b0-c1ca-11e7-8995-936807a28b16-ecs.json',
+      });
+
+      const supertest = getService('supertest');
+      await supertest
+        .get(
+          '/api/epm/package/auditd-2.0.4/kibana/dashboard/7de391b0-c1ca-11e7-8995-936807a28b16-ecs.json'
+        )
+        .set('kbn-xsrf', 'xxx')
+        .expect('Content-Type', 'application/json; charset=utf-8')
+        .expect(200);
+    });
+
+    it('fetches an .json index pattern file', async () => {
+      server.on({
+        method: 'GET',
+        path: '/package/auditd-2.0.4/kibana/index-pattern/auditbeat-*.json',
+      });
+
+      const supertest = getService('supertest');
+      await supertest
+        .get('/api/epm/package/auditd-2.0.4/kibana/index-pattern/auditbeat-*.json')
+        .set('kbn-xsrf', 'xxx')
+        .expect('Content-Type', 'application/json; charset=utf-8')
+        .expect(200);
+    });
+
+    it('fetches a .json search file', async () => {
+      server.on({
+        method: 'GET',
+        path: '/package/auditd-2.0.4/kibana/search/0f10c430-c1c3-11e7-8995-936807a28b16-ecs.json',
+      });
+
+      const supertest = getService('supertest');
+      await supertest
+        .get(
+          '/api/epm/package/auditd-2.0.4/kibana/search/0f10c430-c1c3-11e7-8995-936807a28b16-ecs.json'
+        )
+        .set('kbn-xsrf', 'xxx')
+        .expect('Content-Type', 'application/json; charset=utf-8')
+        .expect(200);
+    });
+  });
+}

x-pack/test/epm_api_integration/apis/index.js

@@ -8,6 +8,6 @@ export default function ({ loadTestFile }) {
   describe('EPM Endpoints', function () {
     this.tags('ciGroup7');
     loadTestFile(require.resolve('./list'));
-    loadTestFile(require.resolve('./image'));
+    loadTestFile(require.resolve('./file'));
   });
 }