Module lua_runtime 

Shared Lua 5.4 VM runtime for connectors and tools.

Provides a sandboxed Lua environment with host APIs that both crate::connector_script and crate::tool_script use. The Lua VM runs on a blocking thread (via [tokio::task::spawn_blocking]), so all host functions use synchronous I/O (reqwest::blocking, std::thread::sleep).

Host APIs

Module	Functions
http	get, post, put
json	parse, encode
env	get
log	info, warn, error, debug
fs	read, list (sandboxed to script directory)
base64	encode, decode
crypto	sha256, hmac_sha256
sleep	sleep(seconds)

Sandboxing

Dangerous Lua standard libraries (os, io, debug, loadfile, dofile) are removed. Filesystem access is restricted to a configurable sandbox root directory.

Functions

do_http_request 🔒

Execute an HTTP request and return a Lua table with the response.

expand_env_vars 🔒

Expand ${VAR_NAME} patterns in a string from the process environment.

json_value_to_lua 🔒

Convert a JSON value to a Lua value.

lua_value_to_json 🔒

Convert a Lua value to a JSON value.

register_all_host_apis 🔒

Register all standard host APIs on a Lua VM instance.

register_base64_api 🔒

register_crypto_api 🔒

register_env_api 🔒

register_fs_api 🔒

register_http_api 🔒

register_json_api 🔒

register_log_api 🔒

register_sleep 🔒

sandbox_globals 🔒

Remove dangerous standard library functions from the Lua globals.

toml_table_to_lua 🔒

Convert a TOML table to a Lua table.

toml_value_to_lua 🔒

Convert a TOML value to a Lua value, expanding ${VAR} in strings.