0be354a920
Single-commit clean baseline after security scrub of niche-tells, project codenames, internal jargon, and contributor-email leaks. Contents: - 100 Rust crates (_primitives/_rust/) - 37 agent manifests (_manifests/) + generated specs (_generated/) - 67 user-invocable skills (skills/) - 33 hooks (hooks/) - Composition blocks (_blocks/) - Documentation (docs/, README.md) - TS adapter packages (_ts_packages/) - Assembler (_assembler/) - Roles (_roles/) - Templates (_templates/) - Forgejo CI (.forgejo/) Author: Denis Parfionovich <info@greendragon.info> License: see LICENSE.
48 lines
1.3 KiB
Rust
48 lines
1.3 KiB
Rust
//! SHA-256 helpers. Used for WYSIWYD invariant checks
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//! (source file must not mutate between lock and verify).
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use sha2::{Digest, Sha256};
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use std::fs;
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use std::path::Path;
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pub fn hash_file(path: &Path) -> Result<String, String> {
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let bytes = fs::read(path).map_err(|e| format!("read {}: {e}", path.display()))?;
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let mut hasher = Sha256::new();
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hasher.update(&bytes);
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Ok(format!("{:x}", hasher.finalize()))
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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use std::io::Write;
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#[test]
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fn hashes_empty_file() {
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let mut f = tempfile::NamedTempFile::new().unwrap();
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f.write_all(b"").unwrap();
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let h = hash_file(f.path()).unwrap();
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// sha256("") — well-known constant
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assert_eq!(
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h,
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"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
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);
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}
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#[test]
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fn hashes_hello_world() {
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let mut f = tempfile::NamedTempFile::new().unwrap();
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f.write_all(b"hello world").unwrap();
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let h = hash_file(f.path()).unwrap();
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assert_eq!(
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h,
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"b94d27b9934d3e08a52e52d7da7dabfac484efe37a5380ee9088f7ace2efcde9"
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);
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}
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#[test]
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fn returns_err_on_missing_file() {
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let result = hash_file(Path::new("/nonexistent/path/xyz"));
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assert!(result.is_err());
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}
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}
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