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298 lines (286 loc) · 11.9 KB
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import type { FunctionExecuteBody } from '@/lib/api/contracts'
import {
normalizeRecord,
normalizeRecordMap,
normalizeStringRecord,
normalizeWorkflowVariables,
} from '@/lib/core/utils/records'
import { isUserFileWithMetadata } from '@/lib/core/utils/user-file'
import { DEFAULT_EXECUTION_TIMEOUT_MS } from '@/lib/execution/constants'
import { DEFAULT_CODE_LANGUAGE } from '@/lib/execution/languages'
import { PRIVATE_SECRET_PROVENANCE_FIELD } from '@/lib/execution/private-tool-metadata'
import { SANDBOX_INPUT_DIR, SANDBOX_OUTPUT_DIR } from '@/lib/execution/remote-sandbox/paths'
import { MAX_FUNCTION_CODE_LENGTH } from '@/lib/function-execution/limits'
import type { UserFile } from '@/executor/types'
import type { CodeExecutionInput, CodeExecutionOutput } from '@/tools/function/types'
import type { InternalToolConfig } from '@/tools/types'
/**
* Normalizes the mounted-file param, which advanced-mode template resolution
* delivers as a JSON string rather than an array.
*
* Deliberately not `normalizeFileInput` from `@/blocks/utils`: that module
* reaches the providers store and Sim's icon set, so importing it here would
* drag React and zustand into the tool registry's module graph.
*/
function normalizeSandboxInputFiles(value: unknown): FunctionExecuteBody['files'] {
if (!value) return undefined
let parsed = value
if (typeof parsed === 'string') {
try {
parsed = JSON.parse(parsed)
} catch {
return undefined
}
}
const files = Array.isArray(parsed) ? parsed : [parsed]
const userFiles = files.filter((file): file is UserFile => isUserFileWithMetadata(file))
if (userFiles.length === 0) return undefined
// Copied onto fresh objects because the boundary schema is `.passthrough()`:
// its inferred type carries an index signature, which a declared interface
// like UserFile cannot satisfy directly.
return userFiles.map((file) => ({ ...file }))
}
/**
* Builds the canonical Function protocol body for both HTTP compatibility and in-process calls.
*
* `sourceCode` is the display copy used only to render errors, with referenced values inlined,
* so it can far outgrow the executed code. Past the route's source cap it is omitted, and errors
* fall back to the executed code, rather than failing a request whose executed code is in bounds.
*/
export function buildFunctionExecuteBody(params: CodeExecutionInput): FunctionExecuteBody {
const codeContent = Array.isArray(params.code)
? params.code.map((entry: { content: string }) => entry.content).join('\n')
: params.code
return {
code: codeContent,
sourceCode:
params.sourceCode !== undefined && params.sourceCode.length <= MAX_FUNCTION_CODE_LENGTH
? params.sourceCode
: undefined,
language: params.language || DEFAULT_CODE_LANGUAGE,
timeout: params.timeout || DEFAULT_EXECUTION_TIMEOUT_MS,
title: params.title,
outputPath: params.outputPath,
outputFormat: params.outputFormat,
outputTable: params.outputTable,
outputSandboxPath: params.outputSandboxPath,
outputMimeType: params.outputMimeType,
sandboxId: params.sandboxId,
sandboxSessionKey: params.sandboxSessionKey,
secretScope: params.secretScope,
mountedSecrets: params.mountedSecrets,
unredactedSecretNames: params.unredactedSecretNames,
overwriteFileId: params.overwriteFileId,
inputs: params.inputs,
outputs: params.outputs,
files: normalizeSandboxInputFiles(params.files),
envVars: normalizeStringRecord(params.envVars),
workflowVariables: normalizeWorkflowVariables(params.workflowVariables),
blockData: normalizeRecord(params.blockData),
blockNameMapping: normalizeStringRecord(params.blockNameMapping),
blockOutputSchemas: normalizeRecordMap(params.blockOutputSchemas),
contextVariables: normalizeRecord(params.contextVariables),
workflowId: params._context?.workflowId,
executionId: params._context?.executionId,
largeValueExecutionIds: params._context?.largeValueExecutionIds,
largeValueKeys: params._context?.largeValueKeys,
fileKeys: params._context?.fileKeys,
allowLargeValueWorkflowScope: params._context?.allowLargeValueWorkflowScope,
userId: params._context?.userId,
workspaceId: params._context?.workspaceId,
isCustomTool: params.isCustomTool || false,
...(params[PRIVATE_SECRET_PROVENANCE_FIELD]
? { [PRIVATE_SECRET_PROVENANCE_FIELD]: params[PRIVATE_SECRET_PROVENANCE_FIELD] }
: {}),
...(params._sandboxFiles ? { _sandboxFiles: params._sandboxFiles } : {}),
}
}
export const functionExecuteTool: InternalToolConfig<CodeExecutionInput, CodeExecutionOutput> = {
id: 'function_execute',
name: 'Function Execute',
description: `Execute JavaScript, Python, or shell scripts in a secure sandbox. For JS: fetch() is available, code runs in an async IIFE wrapper. Shell includes general utilities such as jq, curl, git, and rg. Use outputPath/outputTable to persist returned data, or outputSandboxPath + outputPath to export a file created inside the sandbox into the workspace. Naming outputSandboxPath exports only those paths; automatic directory collection is disabled for that call.
To read a file, pass its id in \`files\`: each one is mounted read-only under ${SANDBOX_INPUT_DIR}. List that directory to find them rather than guessing a path — names are sanitized and de-duplicated, so they do not always match the original.
To return a file from a Function sandbox, write it to ${SANDBOX_OUTPUT_DIR}. In a Mothership workbench, use the per-call SIM_OUTPUT_DIR instead (Python: os.environ["SIM_OUTPUT_DIR"], JavaScript: process.env.SIM_OUTPUT_DIR, shell: $SIM_OUTPUT_DIR). Files in the export directory come back in this tool's \`files\` output as platform file objects, which another tool that takes a file accepts directly — no upload step in between.`,
version: '1.0.0',
params: {
code: {
type: 'string',
required: true,
visibility: 'user-or-llm',
description:
'Source code in the selected language. JavaScript runs as an async function body and returns a result with return. Python runs as a module and returns an optional result through __sim_result__; legacy snippets with a top-level return remain supported. Shell runs as Bash and can emit a typed result with __SIM_RESULT__=<json>.',
},
language: {
type: 'string',
required: false,
visibility: 'user-only',
description: 'Language to execute (javascript, python, or shell)',
default: DEFAULT_CODE_LANGUAGE,
},
timeout: {
type: 'number',
required: false,
visibility: 'hidden',
description: 'Execution timeout in milliseconds',
default: DEFAULT_EXECUTION_TIMEOUT_MS,
},
title: {
type: 'string',
required: false,
visibility: 'hidden',
description: 'Short user-visible label for this execution.',
},
outputPath: {
type: 'string',
required: false,
visibility: 'hidden',
description:
'Write the tool result back to a workspace file, e.g. "files/result.json" or "files/report.csv". Use for text/JSON/CSV/markdown/html outputs.',
},
outputFormat: {
type: 'string',
required: false,
visibility: 'hidden',
description: 'Optional format override for outputPath (json, csv, txt, md, html).',
},
outputTable: {
type: 'string',
required: false,
visibility: 'hidden',
description:
'Overwrite a workspace table with the code result. The code must return an array of objects.',
},
outputSandboxPath: {
type: 'string',
required: false,
visibility: 'hidden',
description:
'Export a file created inside the sandbox to the workspace. Provide the sandbox file path here and also set outputPath to the workspace destination.',
},
outputMimeType: {
type: 'string',
required: false,
visibility: 'hidden',
description:
'MIME type for the exported file. Required for binary files (e.g. "image/png", "application/pdf"). If omitted, inferred from outputPath extension for text formats.',
},
overwriteFileId: {
type: 'string',
required: false,
visibility: 'hidden',
description:
'Overwrite this existing workspace file ID instead of creating a duplicate output file.',
},
files: {
type: 'file[]',
required: false,
visibility: 'user-or-llm',
description: `Files to mount read-only into the sandbox under ${SANDBOX_INPUT_DIR}. Pass file ids from earlier tool results (or canonical workspace file ids); the runtime resolves them into full file objects before the code runs.`,
},
sandboxId: {
type: 'string',
required: false,
visibility: 'user-only',
description: 'Workspace sandbox providing importable packages and CLI tools',
},
secretScope: {
type: 'string',
required: false,
visibility: 'user-only',
description: 'Whether this code can read all workspace secrets or only selected ones',
},
mountedSecrets: {
type: 'array',
items: { type: 'string' },
required: false,
visibility: 'user-only',
description: 'Secret names this code can read when secretScope is "selected"',
},
envVars: {
type: 'object',
required: false,
visibility: 'hidden',
description: 'Environment variables to make available during execution',
default: {},
},
blockData: {
type: 'object',
required: false,
visibility: 'hidden',
description: 'Block output data for variable resolution',
default: {},
},
blockNameMapping: {
type: 'object',
required: false,
visibility: 'hidden',
description: 'Mapping of block names to block IDs',
default: {},
},
blockOutputSchemas: {
type: 'object',
required: false,
visibility: 'hidden',
description: 'Mapping of block IDs to their output schemas for validation',
default: {},
},
workflowVariables: {
type: 'object',
required: false,
visibility: 'hidden',
description: 'Workflow variables for <variable.name> resolution',
default: {},
},
},
operation: {
input: buildFunctionExecuteBody,
},
transformResponse: async (response: Response): Promise<CodeExecutionOutput> => {
const result = await response.json()
if (!result.success) {
return {
success: false,
output: {
result: null,
stdout: result.output?.stdout || '',
// Always an array, never undefined: a declared `file[]` output that is
// missing warns on every call, and this branch runs for every failure.
files: result.output?.files ?? [],
...(result.output?.cost ? { cost: result.output.cost } : {}),
...(result.output?.sandboxSession
? { sandboxSession: result.output.sandboxSession }
: {}),
},
error: result.error,
retryable: result.retryable,
resources: result.resources,
largeValueKeys: result.largeValueKeys,
fileKeys: result.fileKeys,
}
}
return {
success: true,
output: {
result: result.output.result,
stdout: result.output.stdout,
files: result.output.files ?? [],
...(result.output.exported ? { exported: result.output.exported } : {}),
...(result.output.cost ? { cost: result.output.cost } : {}),
...(result.output.sandboxSession ? { sandboxSession: result.output.sandboxSession } : {}),
},
resources: result.resources,
largeValueKeys: result.largeValueKeys,
fileKeys: result.fileKeys,
retryable: result.retryable,
}
},
outputs: {
result: { type: 'json', description: 'The structured result emitted by the executed code' },
stdout: { type: 'string', description: 'The standard output of the code execution' },
files: {
type: 'file[]',
description:
'Files written to the execution export directory, persisted as platform file objects',
},
},
}
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