chore: import upstream snapshot with attribution

apps/sim/tools/daytona/download_file.ts

@@ -0,0 +1,94 @@
+import type { DaytonaDownloadFileParams, DaytonaDownloadFileResponse } from '@/tools/daytona/types'
+import { daytonaToolboxUrl, extractDaytonaError } from '@/tools/daytona/utils'
+import type { ToolConfig } from '@/tools/types'
+
+const MAX_DOWNLOAD_SIZE_BYTES = 100 * 1024 * 1024
+
+function downloadSizeError(bytes: number): Error {
+  const sizeMB = (bytes / (1024 * 1024)).toFixed(2)
+  return new Error(`File size (${sizeMB}MB) exceeds download limit of 100MB`)
+}
+
+export const daytonaDownloadFileTool: ToolConfig<
+  DaytonaDownloadFileParams,
+  DaytonaDownloadFileResponse
+> = {
+  id: 'daytona_download_file',
+  name: 'Daytona Download File',
+  description: 'Download a file from a Daytona sandbox',
+  version: '1.0.0',
+
+  params: {
+    apiKey: {
+      type: 'string',
+      required: true,
+      visibility: 'user-only',
+      description: 'Daytona API key',
+    },
+    sandboxId: {
+      type: 'string',
+      required: true,
+      visibility: 'user-or-llm',
+      description: 'ID of the sandbox to download the file from',
+    },
+    filePath: {
+      type: 'string',
+      required: true,
+      visibility: 'user-or-llm',
+      description: 'Path of the file in the sandbox',
+    },
+  },
+
+  request: {
+    url: (params) =>
+      daytonaToolboxUrl(
+        params.sandboxId,
+        `/files/download?path=${encodeURIComponent(params.filePath.trim())}`
+      ),
+    method: 'GET',
+    headers: (params) => ({
+      Authorization: `Bearer ${params.apiKey}`,
+    }),
+  },
+
+  transformResponse: async (response, params) => {
+    if (!response.ok) {
+      throw new Error(await extractDaytonaError(response, 'Failed to download file'))
+    }
+
+    const contentLength = Number(response.headers.get('content-length'))
+    if (Number.isFinite(contentLength) && contentLength > MAX_DOWNLOAD_SIZE_BYTES) {
+      throw downloadSizeError(contentLength)
+    }
+
+    const mimeType = response.headers.get('content-type') || 'application/octet-stream'
+    const fileName = params?.filePath.trim().split('/').filter(Boolean).pop() || 'download'
+    const arrayBuffer = await response.arrayBuffer()
+    const buffer = Buffer.from(arrayBuffer)
+    if (buffer.length > MAX_DOWNLOAD_SIZE_BYTES) {
+      throw downloadSizeError(buffer.length)
+    }
+
+    return {
+      success: true,
+      output: {
+        file: {
+          name: fileName,
+          mimeType,
+          data: buffer.toString('base64'),
+          size: buffer.length,
+        },
+        name: fileName,
+        mimeType,
+        size: buffer.length,
+      },
+    }
+  },
+
+  outputs: {
+    file: { type: 'file', description: 'Downloaded file stored in execution files' },
+    name: { type: 'string', description: 'Name of the downloaded file' },
+    mimeType: { type: 'string', description: 'MIME type of the downloaded file' },
+    size: { type: 'number', description: 'Size of the downloaded file in bytes' },
+  },
+}