Replaced sha256 sum with last modification time check, to verify if a file has been changed in the text editor

src/utils/hash.rs

@@ -1,75 +0,0 @@
-//! ## Hash
-//!
-//! `hash` is the module which provides utilities for calculating digests
-
-/*
-*
-*   Copyright (C) 2020 Christian Visintin - christian.visintin1997@gmail.com
-*
-* 	This file is part of "TermSCP"
-*
-*   TermSCP is free software: you can redistribute it and/or modify
-*   it under the terms of the GNU General Public License as published by
-*   the Free Software Foundation, either version 3 of the License, or
-*   (at your option) any later version.
-*
-*   TermSCP is distributed in the hope that it will be useful,
-*   but WITHOUT ANY WARRANTY; without even the implied warranty of
-*   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-*   GNU General Public License for more details.
-*
-*   You should have received a copy of the GNU General Public License
-*   along with TermSCP.  If not, see <http://www.gnu.org/licenses/>.
-*
-*/
-
-extern crate data_encoding;
-extern crate ring;
-
-use data_encoding::HEXLOWER;
-use ring::digest::{Context, Digest, SHA256};
-use std::fs::File;
-use std::io::Read;
-use std::path::Path;
-
-/// ### hash_sha256_file
-///
-/// Get SHA256 of provided path
-pub fn hash_sha256_file(file: &Path) -> Result<String, std::io::Error> {
-    // Open file
-    let mut reader: File = File::open(file)?;
-    let mut context = Context::new(&SHA256);
-    let mut buffer = [0; 8192];
-    loop {
-        let count = reader.read(&mut buffer)?;
-        if count == 0 {
-            break;
-        }
-        context.update(&buffer[..count]);
-    }
-    // Finish context
-    let digest: Digest = context.finish();
-    Ok(HEXLOWER.encode(digest.as_ref()))
-}
-
-#[cfg(test)]
-mod tests {
-
-    use super::*;
-
-    use std::io::Write;
-
-    #[test]
-    fn test_utils_hash_sha256() {
-        let tmp: tempfile::NamedTempFile = tempfile::NamedTempFile::new().unwrap();
-        // Write
-        let mut fhnd: File = File::create(tmp.path()).unwrap();
-        assert!(fhnd.write_all(b"Hello world!\n").is_ok());
-        assert_eq!(
-            *hash_sha256_file(tmp.path()).ok().as_ref().unwrap(),
-            String::from("0ba904eae8773b70c75333db4de2f3ac45a8ad4ddba1b242f0b3cfc199391dd8")
-        );
-        // Bad file
-        assert!(hash_sha256_file(Path::new("/tmp/oiojjt5ig/aiehgoiwg")).is_err());
-    }
-}

src/utils/mod.rs

@@ -25,5 +25,4 @@
 
 // modules
 pub mod fmt;
-pub mod hash;
 pub mod parser;