[Defend Workflows][E2E]Get file command from response console (#156159)

This PR tackles `get-file` command issued from response console. Two
tests are included:
1.
`x-pack/plugins/security_solution/public/management/cypress/e2e/mocked_data/response_console.cy.ts`
mocked data
2.
`x-pack/plugins/security_solution/public/management/cypress/e2e/endpoint/response_console.cy.ts`
real endpoint

---------

Co-authored-by: Patryk Kopycinski <contact@patrykkopycinski.com>

x-pack/plugins/security_solution/public/management/cypress/cypress.d.ts

@@ -145,6 +145,30 @@ declare global {
         arg: { endpointAgentIds: string[] },
         options?: Partial<Loggable & Timeoutable>
       ): Chainable<DeleteAllEndpointDataResponse>;
+
+      task(
+        name: 'createFileOnEndpoint',
+        arg: { hostname: string; path: string; content: string },
+        options?: Partial<Loggable & Timeoutable>
+      ): Chainable<null>;
+
+      task(
+        name: 'uploadFileToEndpoint',
+        arg: { hostname: string; srcPath: string; destPath: string },
+        options?: Partial<Loggable & Timeoutable>
+      ): Chainable<null>;
+
+      task(
+        name: 'installPackagesOnEndpoint',
+        arg: { hostname: string; packages: string[] },
+        options?: Partial<Loggable & Timeoutable>
+      ): Chainable<null>;
+
+      task(
+        name: 'readZippedFileContentOnEndpoint',
+        arg: { hostname: string; path: string; password?: string },
+        options?: Partial<Loggable & Timeoutable>
+      ): Chainable<string>;
     }
   }
 }

x-pack/plugins/security_solution/public/management/cypress/e2e/endpoint/response_console.cy.ts

@@ -168,6 +168,74 @@ describe('Response console', () => {
     });
   });
 
+  describe('User journey for Get file command', () => {
+    let response: IndexedFleetEndpointPolicyResponse;
+    let initialAgentData: Agent;
+
+    const fileContent = 'This is a test file for the get-file command.';
+    const filePath = `/home/ubuntu/test_file.txt`;
+
+    before(() => {
+      getAgentByHostName(endpointHostname).then((agentData) => {
+        initialAgentData = agentData;
+      });
+
+      getEndpointIntegrationVersion().then((version) =>
+        createAgentPolicyTask(version).then((data) => {
+          response = data;
+        })
+      );
+
+      cy.task('installPackagesOnEndpoint', { hostname: endpointHostname, packages: ['unzip'] });
+
+      cy.task('createFileOnEndpoint', {
+        hostname: endpointHostname,
+        path: filePath,
+        content: fileContent,
+      });
+    });
+
+    after(() => {
+      if (initialAgentData?.policy_id) {
+        reassignAgentPolicy(initialAgentData.id, initialAgentData.policy_id);
+      }
+      if (response) {
+        cy.task('deleteIndexedFleetEndpointPolicies', response);
+      }
+    });
+
+    it('"get-file --path" - should retrieve a file', () => {
+      waitForEndpointListPageToBeLoaded(endpointHostname);
+      openResponseConsoleFromEndpointList();
+      inputConsoleCommand(`get-file --path ${filePath}`);
+      submitCommand();
+      cy.getByTestSubj('getFileSuccess', { timeout: 60000 }).within(() => {
+        cy.contains('File retrieved from the host.');
+        cy.contains('(ZIP file passcode: elastic)');
+        cy.contains(
+          'Files are periodically deleted to clear storage space. Download and save file locally if needed.'
+        );
+        cy.contains('Click here to download').click();
+        const downloadsFolder = Cypress.config('downloadsFolder');
+        cy.readFile(`${downloadsFolder}/upload.zip`);
+
+        cy.task('uploadFileToEndpoint', {
+          hostname: endpointHostname,
+          srcPath: `${downloadsFolder}/upload.zip`,
+          destPath: '/home/ubuntu/upload.zip',
+        });
+
+        cy.task('readZippedFileContentOnEndpoint', {
+          hostname: endpointHostname,
+          path: '/home/ubuntu/upload.zip',
+          password: 'elastic',
+        }).then((unzippedFileContent) => {
+          expect(unzippedFileContent).to.equal(fileContent);
+        });
+      });
+    });
+  });
+
   describe('document signing', () => {
     let response: IndexedFleetEndpointPolicyResponse;
     let initialAgentData: Agent;

x-pack/plugins/security_solution/public/management/cypress/e2e/mocked_data/response_console.cy.ts

@@ -227,4 +227,53 @@ describe('Response console', () => {
       cy.contains('Action completed.', { timeout: 120000 }).should('exist');
     });
   });
+
+  describe('Get file command', () => {
+    let endpointData: ReturnTypeFromChainable<typeof indexEndpointHosts>;
+    let endpointHostname: string;
+    let getFileRequestResponse: ActionDetails;
+
+    before(() => {
+      indexEndpointHosts({ withResponseActions: false, isolation: false }).then(
+        (indexEndpoints) => {
+          endpointData = indexEndpoints;
+          endpointHostname = endpointData.data.hosts[0].host.name;
+        }
+      );
+    });
+
+    after(() => {
+      if (endpointData) {
+        endpointData.cleanup();
+        // @ts-expect-error ignore setting to undefined
+        endpointData = undefined;
+      }
+    });
+
+    it('should get file from response console', () => {
+      waitForEndpointListPageToBeLoaded(endpointHostname);
+      openResponseConsoleFromEndpointList();
+      inputConsoleCommand(`get-file --path /test/path/test.txt`);
+
+      interceptActionRequests((responseBody) => {
+        getFileRequestResponse = responseBody;
+      }, 'get-file');
+      submitCommand();
+      cy.contains('Retrieving the file from host.').should('exist');
+      cy.wait('@get-file').then(() => {
+        sendActionResponse(getFileRequestResponse);
+      });
+      cy.getByTestSubj('getFileSuccess').within(() => {
+        cy.contains('File retrieved from the host.');
+        cy.contains('(ZIP file passcode: elastic)');
+        cy.contains(
+          'Files are periodically deleted to clear storage space. Download and save file locally if needed.'
+        );
+        cy.contains('Click here to download').click();
+      });
+
+      const downloadsFolder = Cypress.config('downloadsFolder');
+      cy.readFile(`${downloadsFolder}/upload.zip`);
+    });
+  });
 });

x-pack/plugins/security_solution/public/management/cypress/support/data_loaders.ts

@@ -8,6 +8,7 @@
 // / <reference types="cypress" />
 
 import type { CasePostRequest } from '@kbn/cases-plugin/common/api';
+import execa from 'execa';
 import {
   sendEndpointActionResponse,
   sendFleetActionResponse,
@@ -224,6 +225,70 @@ export const dataLoadersForRealEndpoints = (
       return destroyEndpointHost(kbnClient, createdHost).then(() => null);
     },
 
+    createFileOnEndpoint: async ({
+      hostname,
+      path,
+      content,
+    }: {
+      hostname: string;
+      path: string;
+      content: string;
+    }): Promise<null> => {
+      await execa(`multipass`, ['exec', hostname, '--', 'sh', '-c', `echo ${content} > ${path}`]);
+      return null;
+    },
+
+    uploadFileToEndpoint: async ({
+      hostname,
+      srcPath,
+      destPath = '.',
+    }: {
+      hostname: string;
+      srcPath: string;
+      destPath: string;
+    }): Promise<null> => {
+      await execa(`multipass`, ['transfer', srcPath, `${hostname}:${destPath}`]);
+      return null;
+    },
+
+    installPackagesOnEndpoint: async ({
+      hostname,
+      packages,
+    }: {
+      hostname: string;
+      packages: string[];
+    }): Promise<null> => {
+      await execa(`multipass`, [
+        'exec',
+        hostname,
+        '--',
+        'sh',
+        '-c',
+        `sudo apt install -y ${packages.join(' ')}`,
+      ]);
+      return null;
+    },
+
+    readZippedFileContentOnEndpoint: async ({
+      hostname,
+      path,
+      password,
+    }: {
+      hostname: string;
+      path: string;
+      password?: string;
+    }): Promise<string> => {
+      const result = await execa(`multipass`, [
+        'exec',
+        hostname,
+        '--',
+        'sh',
+        '-c',
+        `unzip -p ${password ? `-P ${password} ` : ''}${path}`,
+      ]);
+      return result.stdout;
+    },
+
     stopEndpointHost: async () => {
       const hosts = await getEndpointHosts();
       const hostName = hosts[0].name;