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//! The pre-apply quality gate — the one blocking check in front of mutation.
use crate::core::quality_gate::{evaluate, GateLevel, GateThresholds, QUALITY_GATE_ERROR_CODE};
use std::path::Path;
/// The pre-apply quality gate: the ONE blocking check in front of mutation.
///
/// It used to evaluate compliance packs and nothing else, so a config could
/// carry a plaintext password or emit shell bashrs rejects outright and still
/// apply cleanly. It now runs every check `core::quality_gate` owns, and this
/// is deliberately the only enforcement point: `validate` and `plan` are
/// ReadOnly and answer questions, and putting a gate in front of a question
/// takes away the operator's route to a fix exactly when they need it.
///
/// The complexity ceiling is NOT evaluated here. It is advisory by
/// construction (the shell it scores is forjar's own output), so it can never
/// change this function's verdict — and computing it would parse three scripts
/// per resource to produce findings nobody at this call site can act on.
pub(super) fn check_quality_gate(
file: &Path,
policy_dir: &Path,
verbose: bool,
) -> Result<(), String> {
use super::helpers::parse_and_validate;
let config = parse_and_validate(file)?;
let thresholds = GateThresholds {
policy_dir: Some(policy_dir.to_path_buf()),
..GateThresholds::default()
};
let yaml_text = std::fs::read_to_string(file).ok();
let report = evaluate(&config, yaml_text.as_deref(), &thresholds);
if verbose {
for line in report.render() {
eprintln!(" {line}");
}
}
if !report.passed() {
return Err(format!(
"{QUALITY_GATE_ERROR_CODE}: quality gate blocks apply — {} error(s):\n{}",
report.error_count(),
report
.findings
.iter()
.filter(|f| f.level == GateLevel::Error)
.map(|f| format!(" {}", f.render()))
.collect::<Vec<_>>()
.join("\n")
));
}
Ok(())
}
#[cfg(test)]
mod tests {
use super::*;
fn write(dir: &std::path::Path, yaml: &str) -> std::path::PathBuf {
let p = dir.join("forjar.yaml");
std::fs::write(&p, yaml).unwrap();
p
}
/// A Stripe-shaped fixture, ASSEMBLED AT RUNTIME so the literal never
/// appears in the source.
///
/// The detector under test matches `[sr]k_(live|test)_[A-Za-z0-9]{20,}`, so
/// the fixture has to have exactly that shape to exercise it — and GitHub's
/// push protection matches the same shape, which blocked a push of this
/// repo outright. Splitting the prefix keeps the value identical at runtime
/// while leaving nothing for a file scanner to find. The repo already uses
/// this idiom (`format!("...ghp_{}", "A".repeat(40))`).
fn fake_stripe_key() -> String {
format!("sk_{}_{}", "live", "A".repeat(24))
}
fn leaky() -> String {
format!(
r#"version: "1.0"
name: t
machines:
m1:
hostname: m1
addr: 1.2.3.4
resources:
app-config:
type: file
machine: m1
path: /etc/app.conf
content: "api_key={}"
"#,
fake_stripe_key()
)
}
const INERT: &str = r#"version: "1.0"
name: t
machines:
m1:
hostname: m1
addr: 1.2.3.4
resources:
motd:
type: file
machine: m1
path: /etc/motd
content: "welcome"
"#;
#[test]
fn a_plaintext_secret_blocks_apply() {
let d = tempfile::tempdir().unwrap();
let f = write(d.path(), &leaky());
let err = check_quality_gate(&f, d.path(), false)
.expect_err("a config shipping a live-looking API key must not apply");
assert!(
err.contains(QUALITY_GATE_ERROR_CODE),
"the refusal must name its error code so a caller can branch on it: {err}"
);
assert!(err.contains("app-config"), "{err}");
}
#[test]
fn an_inert_config_is_not_blocked() {
let d = tempfile::tempdir().unwrap();
let f = write(d.path(), INERT);
assert!(
check_quality_gate(&f, d.path(), false).is_ok(),
"the gate refused a config with nothing wrong with it, which is \
how an operator learns to pass --no-policy-check forever"
);
}
#[test]
fn a_sealed_secret_is_not_blocked() {
let d = tempfile::tempdir().unwrap();
let sealed = leaky().replace(
&fake_stripe_key(),
"ENC[age,YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXo=]",
);
let f = write(d.path(), &sealed);
assert!(
check_quality_gate(&f, d.path(), false).is_ok(),
"sealing the value is the fix the gate asks for, so it must be \
accepted — otherwise the gate has no exit"
);
}
}