ytdlp_ejs/builtin/
node.rs

1//! Node.js JS Challenge Provider
2
3use crate::provider::JsChallengeError;
4use std::io::Write;
5use std::process::{Command, Stdio};
6
7/// Node.js-based JavaScript Challenge Provider
8pub struct NodeJCP {
9    code: String,
10}
11
12impl NodeJCP {
13    pub fn new(code: &str) -> Self {
14        Self {
15            code: code.to_string(),
16        }
17    }
18
19    pub fn solve(&self, func_name: &str, challenge: &str) -> Result<String, JsChallengeError> {
20        let escaped = challenge.replace('\\', "\\\\").replace('"', "\\\"");
21        let script = format!(
22            "const _result = {{}};\n{}\nconsole.log(_result.{}(\"{}\"));",
23            self.code, func_name, escaped
24        );
25
26        let mut child = Command::new("node")
27            .arg("-")
28            .stdin(Stdio::piped())
29            .stdout(Stdio::piped())
30            .stderr(Stdio::piped())
31            .spawn()?;
32
33        if let Some(mut stdin) = child.stdin.take() {
34            stdin.write_all(script.as_bytes())?;
35        }
36
37        let output = child.wait_with_output()?;
38
39        if !output.status.success() {
40            let stderr = String::from_utf8_lossy(&output.stderr);
41            return Err(JsChallengeError::Runtime(format!(
42                "Node execution failed: {}",
43                stderr.trim()
44            )));
45        }
46
47        Ok(String::from_utf8_lossy(&output.stdout).trim().to_string())
48    }
49}
ytdlp_ejs/builtin/node.rs

ytdlp_ejs/builtin/
node.rs
