chore: import upstream snapshot with attribution

apps/sim/app/api/tools/onedrive/download/route.test.ts

@@ -0,0 +1,107 @@
+/**
+ * @vitest-environment node
+ */
+import {
+  createMockRequest,
+  hybridAuthMockFns,
+  inputValidationMock,
+  inputValidationMockFns,
+} from '@sim/testing'
+import { beforeEach, describe, expect, it, vi } from 'vitest'
+import { MAX_FILE_SIZE } from '@/lib/uploads/utils/validation'
+
+vi.mock('@/lib/core/security/input-validation.server', () => inputValidationMock)
+
+import { PayloadSizeLimitError } from '@/lib/core/utils/stream-limits'
+import { POST } from '@/app/api/tools/onedrive/download/route'
+
+const { mockValidateUrlWithDNS, mockSecureFetchWithPinnedIP } = inputValidationMockFns
+
+const PINNED_IP = '93.184.216.34'
+
+const baseBody = {
+  accessToken: 'token-123',
+  fileId: 'file-abc',
+}
+
+function jsonResponse(body: unknown, ok = true) {
+  return {
+    ok,
+    status: ok ? 200 : 400,
+    statusText: '',
+    headers: new Headers(),
+    body: null,
+    text: async () => JSON.stringify(body),
+    json: async () => body,
+    arrayBuffer: async () => new ArrayBuffer(0),
+  }
+}
+
+function fileResponse(bytes: number) {
+  return {
+    ok: true,
+    status: 200,
+    statusText: '',
+    headers: new Headers(),
+    body: null,
+    text: async () => '',
+    json: async () => ({}),
+    arrayBuffer: async () => new ArrayBuffer(bytes),
+  }
+}
+
+beforeEach(() => {
+  vi.clearAllMocks()
+  hybridAuthMockFns.mockCheckInternalAuth.mockResolvedValue({
+    success: true,
+    userId: 'user-1',
+    authType: 'internal_jwt',
+  })
+  mockValidateUrlWithDNS.mockResolvedValue({
+    isValid: true,
+    resolvedIP: PINNED_IP,
+    originalHostname: 'graph.microsoft.com',
+  })
+})
+
+describe('POST /api/tools/onedrive/download', () => {
+  it('downloads a normal file under the size cap', async () => {
+    mockSecureFetchWithPinnedIP
+      .mockResolvedValueOnce(
+        jsonResponse({ id: 'file-abc', name: 'report.pdf', file: { mimeType: 'application/pdf' } })
+      )
+      .mockResolvedValueOnce(fileResponse(1024))
+
+    const response = await POST(createMockRequest('POST', baseBody))
+    expect(response.status).toBe(200)
+    const data = (await response.json()) as { success: boolean; output: { file: { size: number } } }
+    expect(data.success).toBe(true)
+    expect(data.output.file.size).toBe(1024)
+
+    const downloadCall = mockSecureFetchWithPinnedIP.mock.calls[1]
+    expect(downloadCall[2]).toMatchObject({ maxResponseBytes: MAX_FILE_SIZE })
+  })
+
+  it('surfaces a clean 413 when the streamed content exceeds the cap', async () => {
+    mockSecureFetchWithPinnedIP
+      .mockResolvedValueOnce(
+        jsonResponse({
+          id: 'file-abc',
+          name: 'huge.bin',
+          file: { mimeType: 'application/octet-stream' },
+        })
+      )
+      .mockRejectedValueOnce(
+        new PayloadSizeLimitError({
+          label: 'response body',
+          maxBytes: MAX_FILE_SIZE,
+          observedBytes: MAX_FILE_SIZE + 1,
+        })
+      )
+
+    const response = await POST(createMockRequest('POST', baseBody))
+    expect(response.status).toBe(413)
+    const data = (await response.json()) as { success: boolean }
+    expect(data.success).toBe(false)
+  })
+})