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const { ResourceType, PrincipalType, PrincipalModel } = require('librechat-data-provider');
const { MongoMemoryServer } = require('mongodb-memory-server');
const { fileAccess } = require('./fileAccess');
const { User, Role, AclEntry } = require('~/db/models');
const { createAgent } = require('~/models/Agent');
const { createFile } = require('~/models/File');
describe('fileAccess middleware', () => {
let mongoServer;
let req, res, next;
let testUser, otherUser, thirdUser;
beforeAll(async () => {
mongoServer = await MongoMemoryServer.create();
const mongoUri = mongoServer.getUri();
await mongoose.connect(mongoUri);
});
afterAll(async () => {
await mongoose.disconnect();
await mongoServer.stop();
});
beforeEach(async () => {
await mongoose.connection.dropDatabase();
// Create test role
await Role.create({
name: 'test-role',
permissions: {
AGENTS: {
USE: true,
CREATE: true,
SHARED_GLOBAL: false,
},
},
});
// Create test users
testUser = await User.create({
email: 'test@example.com',
name: 'Test User',
username: 'testuser',
role: 'test-role',
});
otherUser = await User.create({
email: 'other@example.com',
name: 'Other User',
username: 'otheruser',
role: 'test-role',
});
thirdUser = await User.create({
email: 'third@example.com',
name: 'Third User',
username: 'thirduser',
role: 'test-role',
});
// Setup request/response objects
req = {
user: { id: testUser._id.toString(), role: testUser.role },
params: {},
};
res = {
status: jest.fn().mockReturnThis(),
json: jest.fn(),
};
next = jest.fn();
jest.clearAllMocks();
});
describe('basic file access', () => {
test('should allow access when user owns the file', async () => {
// Create a file owned by testUser
await createFile({
user: testUser._id.toString(),
file_id: 'file_owned_by_user',
filepath: '/test/file.txt',
filename: 'file.txt',
type: 'text/plain',
size: 100,
});
req.params.file_id = 'file_owned_by_user';
await fileAccess(req, res, next);
expect(next).toHaveBeenCalled();
expect(req.fileAccess).toBeDefined();
expect(req.fileAccess.file).toBeDefined();
expect(res.status).not.toHaveBeenCalled();
});
test('should deny access when user does not own the file and no agent access', async () => {
// Create a file owned by otherUser
await createFile({
user: otherUser._id.toString(),
file_id: 'file_owned_by_other',
filepath: '/test/file.txt',
filename: 'file.txt',
type: 'text/plain',
size: 100,
});
req.params.file_id = 'file_owned_by_other';
await fileAccess(req, res, next);
expect(next).not.toHaveBeenCalled();
expect(res.status).toHaveBeenCalledWith(403);
expect(res.json).toHaveBeenCalledWith({
error: 'Forbidden',
message: 'Insufficient permissions to access this file',
});
});
test('should return 404 when file does not exist', async () => {
req.params.file_id = 'non_existent_file';
await fileAccess(req, res, next);
expect(next).not.toHaveBeenCalled();
expect(res.status).toHaveBeenCalledWith(404);
expect(res.json).toHaveBeenCalledWith({
error: 'Not Found',
message: 'File not found',
});
});
test('should return 400 when file_id is missing', async () => {
// Don't set file_id in params
await fileAccess(req, res, next);
expect(next).not.toHaveBeenCalled();
expect(res.status).toHaveBeenCalledWith(400);
expect(res.json).toHaveBeenCalledWith({
error: 'Bad Request',
message: 'file_id is required',
});
});
test('should return 401 when user is not authenticated', async () => {
req.user = null;
req.params.file_id = 'some_file';
await fileAccess(req, res, next);
expect(next).not.toHaveBeenCalled();
expect(res.status).toHaveBeenCalledWith(401);
expect(res.json).toHaveBeenCalledWith({
error: 'Unauthorized',
message: 'Authentication required',
});
});
});
describe('agent-based file access', () => {
beforeEach(async () => {
// Create a file owned by otherUser (not testUser)
await createFile({
user: otherUser._id.toString(),
file_id: 'shared_file_via_agent',
filepath: '/test/shared.txt',
filename: 'shared.txt',
type: 'text/plain',
size: 100,
});
});
test('should allow access when user is author of agent with file', async () => {
// Create agent owned by testUser with the file
await createAgent({
id: `agent_${Date.now()}`,
name: 'Test Agent',
provider: 'openai',
model: 'gpt-4',
author: testUser._id,
tool_resources: {
file_search: {
file_ids: ['shared_file_via_agent'],
},
},
});
req.params.file_id = 'shared_file_via_agent';
await fileAccess(req, res, next);
expect(next).toHaveBeenCalled();
expect(req.fileAccess).toBeDefined();
expect(req.fileAccess.file).toBeDefined();
});
test('should allow access when user has VIEW permission on agent with file', async () => {
// Create agent owned by otherUser
const agent = await createAgent({
id: `agent_${Date.now()}`,
name: 'Shared Agent',
provider: 'openai',
model: 'gpt-4',
author: otherUser._id,
tool_resources: {
execute_code: {
file_ids: ['shared_file_via_agent'],
},
},
});
// Grant VIEW permission to testUser
await AclEntry.create({
principalType: PrincipalType.USER,
principalId: testUser._id,
principalModel: PrincipalModel.USER,
resourceType: ResourceType.AGENT,
resourceId: agent._id,
permBits: 1, // VIEW permission
grantedBy: otherUser._id,
});
req.params.file_id = 'shared_file_via_agent';
await fileAccess(req, res, next);
expect(next).toHaveBeenCalled();
expect(req.fileAccess).toBeDefined();
});
test('should check file in ocr tool_resources', async () => {
await createAgent({
id: `agent_ocr_${Date.now()}`,
name: 'OCR Agent',
provider: 'openai',
model: 'gpt-4',
author: testUser._id,
tool_resources: {
ocr: {
file_ids: ['shared_file_via_agent'],
},
},
});
req.params.file_id = 'shared_file_via_agent';
await fileAccess(req, res, next);
expect(next).toHaveBeenCalled();
expect(req.fileAccess).toBeDefined();
});
test('should deny access when user has no permission on agent with file', async () => {
// Create agent owned by otherUser without granting permission to testUser
const agent = await createAgent({
id: `agent_${Date.now()}`,
name: 'Private Agent',
provider: 'openai',
model: 'gpt-4',
author: otherUser._id,
tool_resources: {
file_search: {
file_ids: ['shared_file_via_agent'],
},
},
});
// Create ACL entry for otherUser only (owner)
await AclEntry.create({
principalType: PrincipalType.USER,
principalId: otherUser._id,
principalModel: PrincipalModel.USER,
resourceType: ResourceType.AGENT,
resourceId: agent._id,
permBits: 15, // All permissions
grantedBy: otherUser._id,
});
req.params.file_id = 'shared_file_via_agent';
await fileAccess(req, res, next);
expect(next).not.toHaveBeenCalled();
expect(res.status).toHaveBeenCalledWith(403);
});
});
describe('multiple agents with same file', () => {
/**
* This test suite verifies that when multiple agents have the same file,
* all agents are checked for permissions, not just the first one found.
* This ensures users can access files through any agent they have permission for.
*/
test('should check ALL agents with file, not just first one', async () => {
// Create a file owned by someone else
await createFile({
user: otherUser._id.toString(),
file_id: 'multi_agent_file',
filepath: '/test/multi.txt',
filename: 'multi.txt',
type: 'text/plain',
size: 100,
});
// Create first agent (owned by otherUser, no access for testUser)
const agent1 = await createAgent({
id: 'agent_no_access',
name: 'No Access Agent',
provider: 'openai',
model: 'gpt-4',
author: otherUser._id,
tool_resources: {
file_search: {
file_ids: ['multi_agent_file'],
},
},
});
// Create ACL for agent1 - only otherUser has access
await AclEntry.create({
principalType: PrincipalType.USER,
principalId: otherUser._id,
principalModel: PrincipalModel.USER,
resourceType: ResourceType.AGENT,
resourceId: agent1._id,
permBits: 15,
grantedBy: otherUser._id,
});
// Create second agent (owned by thirdUser, but testUser has VIEW access)
const agent2 = await createAgent({
id: 'agent_with_access',
name: 'Accessible Agent',
provider: 'openai',
model: 'gpt-4',
author: thirdUser._id,
tool_resources: {
file_search: {
file_ids: ['multi_agent_file'],
},
},
});
// Grant testUser VIEW access to agent2
await AclEntry.create({
principalType: PrincipalType.USER,
principalId: testUser._id,
principalModel: PrincipalModel.USER,
resourceType: ResourceType.AGENT,
resourceId: agent2._id,
permBits: 1, // VIEW permission
grantedBy: thirdUser._id,
});
req.params.file_id = 'multi_agent_file';
await fileAccess(req, res, next);
/**
* Should succeed because testUser has access to agent2,
* even though they don't have access to agent1.
* The fix ensures all agents are checked, not just the first one.
*/
expect(next).toHaveBeenCalled();
expect(req.fileAccess).toBeDefined();
expect(res.status).not.toHaveBeenCalled();
});
test('should find file in any agent tool_resources type', async () => {
// Create a file
await createFile({
user: otherUser._id.toString(),
file_id: 'multi_tool_file',
filepath: '/test/tool.txt',
filename: 'tool.txt',
type: 'text/plain',
size: 100,
});
// Agent 1: file in file_search (no access for testUser)
await createAgent({
id: 'agent_file_search',
name: 'File Search Agent',
provider: 'openai',
model: 'gpt-4',
author: otherUser._id,
tool_resources: {
file_search: {
file_ids: ['multi_tool_file'],
},
},
});
// Agent 2: same file in execute_code (testUser has access)
await createAgent({
id: 'agent_execute_code',
name: 'Execute Code Agent',
provider: 'openai',
model: 'gpt-4',
author: thirdUser._id,
tool_resources: {
execute_code: {
file_ids: ['multi_tool_file'],
},
},
});
// Agent 3: same file in ocr (testUser also has access)
await createAgent({
id: 'agent_ocr',
name: 'OCR Agent',
provider: 'openai',
model: 'gpt-4',
author: testUser._id, // testUser owns this one
tool_resources: {
ocr: {
file_ids: ['multi_tool_file'],
},
},
});
req.params.file_id = 'multi_tool_file';
await fileAccess(req, res, next);
/**
* Should succeed because testUser owns agent3,
* even if other agents with the file are found first.
*/
expect(next).toHaveBeenCalled();
expect(req.fileAccess).toBeDefined();
});
});
describe('edge cases', () => {
test('should handle agent with empty tool_resources', async () => {
await createFile({
user: otherUser._id.toString(),
file_id: 'orphan_file',
filepath: '/test/orphan.txt',
filename: 'orphan.txt',
type: 'text/plain',
size: 100,
});
// Create agent with no files in tool_resources
await createAgent({
id: `agent_empty_${Date.now()}`,
name: 'Empty Resources Agent',
provider: 'openai',
model: 'gpt-4',
author: testUser._id,
tool_resources: {},
});
req.params.file_id = 'orphan_file';
await fileAccess(req, res, next);
expect(next).not.toHaveBeenCalled();
expect(res.status).toHaveBeenCalledWith(403);
});
test('should handle agent with null tool_resources', async () => {
await createFile({
user: otherUser._id.toString(),
file_id: 'another_orphan_file',
filepath: '/test/orphan2.txt',
filename: 'orphan2.txt',
type: 'text/plain',
size: 100,
});
// Create agent with null tool_resources
await createAgent({
id: `agent_null_${Date.now()}`,
name: 'Null Resources Agent',
provider: 'openai',
model: 'gpt-4',
author: testUser._id,
tool_resources: null,
});
req.params.file_id = 'another_orphan_file';
await fileAccess(req, res, next);
expect(next).not.toHaveBeenCalled();
expect(res.status).toHaveBeenCalledWith(403);
});
});
});
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