Files
owlen/crates/owlen-core/src/tools/code_exec.rs

149 lines
4.8 KiB
Rust

use std::sync::Arc;
use std::time::Instant;
use crate::Result;
use anyhow::{Context, anyhow};
use async_trait::async_trait;
use serde_json::{Value, json};
use super::{Tool, ToolResult};
use crate::sandbox::{SandboxConfig, SandboxedProcess};
pub struct CodeExecTool {
allowed_languages: Arc<Vec<String>>,
}
impl CodeExecTool {
pub fn new(allowed_languages: Vec<String>) -> Self {
Self {
allowed_languages: Arc::new(allowed_languages),
}
}
}
#[async_trait]
impl Tool for CodeExecTool {
fn name(&self) -> &'static str {
"code_exec"
}
fn description(&self) -> &'static str {
"Execute code snippets within a sandboxed environment"
}
fn schema(&self) -> Value {
json!({
"type": "object",
"properties": {
"language": {
"type": "string",
"enum": self.allowed_languages.as_slice(),
"description": "Language of the code block"
},
"code": {
"type": "string",
"minLength": 1,
"maxLength": 10000,
"description": "Code to execute"
},
"timeout": {
"type": "integer",
"minimum": 1,
"maximum": 300,
"default": 30,
"description": "Execution timeout in seconds"
}
},
"required": ["language", "code"],
"additionalProperties": false
})
}
async fn execute(&self, args: Value) -> Result<ToolResult> {
let start = Instant::now();
let language = args
.get("language")
.and_then(Value::as_str)
.context("Missing language parameter")?;
let code = args
.get("code")
.and_then(Value::as_str)
.context("Missing code parameter")?;
let timeout = args.get("timeout").and_then(Value::as_u64).unwrap_or(30);
if !self.allowed_languages.iter().any(|lang| lang == language) {
return Err(anyhow!("Language '{}' not permitted", language).into());
}
let (command, command_args) = match language {
"python" => (
"python3".to_string(),
vec!["-c".to_string(), code.to_string()],
),
"javascript" => ("node".to_string(), vec!["-e".to_string(), code.to_string()]),
"bash" => ("bash".to_string(), vec!["-c".to_string(), code.to_string()]),
"rust" => {
let mut result =
ToolResult::error("Rust execution is not yet supported in the sandbox");
result.duration = start.elapsed();
return Ok(result);
}
other => return Err(anyhow!("Unsupported language: {}", other).into()),
};
let sandbox_config = SandboxConfig {
allow_network: false,
timeout_seconds: timeout,
..Default::default()
};
let sandbox_result = tokio::task::spawn_blocking(move || {
let sandbox = SandboxedProcess::new(sandbox_config)?;
let arg_refs: Vec<&str> = command_args.iter().map(|s| s.as_str()).collect();
sandbox.execute(&command, &arg_refs)
})
.await
.context("Sandbox execution task failed")??;
let mut result = if sandbox_result.exit_code == 0 {
ToolResult::success(json!({
"stdout": sandbox_result.stdout,
"stderr": sandbox_result.stderr,
"exit_code": sandbox_result.exit_code,
"timed_out": sandbox_result.was_timeout,
}))
} else {
let error_msg = if sandbox_result.was_timeout {
format!(
"Execution timed out after {} seconds (exit code {}): {}",
timeout, sandbox_result.exit_code, sandbox_result.stderr
)
} else {
format!(
"Execution failed with status {}: {}",
sandbox_result.exit_code, sandbox_result.stderr
)
};
let mut err_result = ToolResult::error(&error_msg);
err_result.output = json!({
"stdout": sandbox_result.stdout,
"stderr": sandbox_result.stderr,
"exit_code": sandbox_result.exit_code,
"timed_out": sandbox_result.was_timeout,
});
err_result
};
result.duration = start.elapsed();
result
.metadata
.insert("language".to_string(), language.to_string());
result
.metadata
.insert("timeout_seconds".to_string(), timeout.to_string());
Ok(result)
}
}