feat: update command info

Cargo.lock

@@ -1100,6 +1100,12 @@ dependencies = [
  "unicode-ident",
 ]
 
+[[package]]
+name = "quick-error"
+version = "1.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a1d01941d82fa2ab50be1e79e6714289dd7cde78eba4c074bc5a4374f650dfe0"
+
 [[package]]
 name = "quote"
 version = "0.3.15"
@@ -1404,6 +1410,16 @@ dependencies = [
  "opaque-debug",
 ]
 
+[[package]]
+name = "simpledateformat"
+version = "0.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cd2436140481bbe945c4d6deab521cf1ac52d73766e3c5d28d2c65e2635ae115"
+dependencies = [
+ "chrono",
+ "quick-error",
+]
+
 [[package]]
 name = "slab"
 version = "0.4.7"
@@ -1554,6 +1570,7 @@ version = "0.0.0"
 dependencies = [
  "aes-gcm",
  "base64",
+ "chrono",
  "clap",
  "hex",
  "openpgp-card",
@@ -1562,6 +1579,7 @@ dependencies = [
  "rust_util",
  "serde",
  "serde_json",
+ "simpledateformat",
  "yubico_manager",
 ]
 

Cargo.toml

@@ -10,6 +10,7 @@ description = "A simple and tiny file encrypt tool"
 [dependencies]
 aes-gcm = { version = "0.10.1", features = ["zeroize"] }
 base64 = "0.21.0"
+chrono = "0.4.23"
 clap = { version = "4.1.4", features = ["derive"] }
 hex = "0.4.3"
 openpgp-card = "0.3.3"
@@ -18,6 +19,7 @@ reqwest = { version = "0.11.14", features = ["blocking", "rustls", "rustls-tls"]
 rust_util = "0.6.41"
 serde = { version = "1.0.152", features = ["derive"] }
 serde_json = "1.0.93"
+simpledateformat = "0.1.3"
 yubico_manager = "0.9.0"
 
 [profile.release]

src/cmd_decrypt.rs

@@ -1,6 +1,5 @@
 use std::path::PathBuf;
 use std::fs::File;
-use std::io::Read;
 use base64::Engine;
 use base64::engine::general_purpose;
 use openpgp_card::crypto_data::Cryptogram;

src/cmd_info.rs

@@ -1,5 +1,8 @@
+use std::cmp::max;
 use std::fs::File;
+use std::ops::Add;
 use std::path::PathBuf;
+use std::time::{Duration, SystemTime};
 use rust_util::{information, opt_result, simple_error, XResult};
 use crate::file;
 
@@ -10,24 +13,43 @@ pub fn info(path: PathBuf) -> XResult<()> {
 
     let mut infos = vec![];
     infos.push("Tiny Encrypt File Info".to_string());
-    infos.push(format!("File..............: {}", path_display));
-    infos.push(format!("File size.........: {} bytes", meta.file_length));
-    infos.push(format!("Enc file summary..: Version: {}, Agent: {}", meta.version, meta.user_agent));
-    infos.push(format!("Last modified.....: {}", meta.file_last_modified));
-    infos.push(format!("Enc file created..: {}", meta.created));
-    infos.push(format!("Envelops..........: KMS: {}, PGP: {}",
+    let compressed = if meta.compress { " [compressed]" } else { "" };
+    infos.push(format!("{}: {}{}", header("File"), path_display, compressed));
+    infos.push(format!("{}: {} bytes", header("File size"), meta.file_length));
+    infos.push(format!("{}: Version: {}, Agent: {}",
+                       header("Enc file summary"), meta.version, meta.user_agent)
+    );
+
+    let fmt = simpledateformat::fmt("EEE MMM dd HH:MM:ss z yyyy").unwrap();
+    infos.push(format!("{}: {}", header("Last modified"), fmt.format_local(from_unix_epoch(meta.file_last_modified))));
+    infos.push(format!("{}: {}", header("Enc file created"), fmt.format_local(from_unix_epoch(meta.created))));
+
+    infos.push(format!("{}: KMS: {}, PGP: {}",
+                       header("Envelops"),
                        to_yes_or_no(&meta.envelop),
                        to_yes_or_no(&meta.pgp_envelop)
     ));
     meta.pgp_fingerprint.map(|fingerprint| {
-        infos.push(format!("PGP fingerprint...: {}", fingerprint));
+        infos.push(format!("{}: {}", header("PGP fingerprint"), fingerprint));
     });
-    infos.push(format!("Encrypted comment.: {}", to_yes_or_no(&meta.encrypted_comment)));
+    meta.comment.map(|comment| {
+        infos.push(format!("{}: {}", header("Comment"), comment));
+    });
+    infos.push(format!("{}: {}", header("Encrypted comment"), to_yes_or_no(&meta.encrypted_comment)));
 
     information!("{}\n", infos.join("\n"));
     Ok(())
 }
 
+fn from_unix_epoch(t: u64) -> SystemTime {
+    SystemTime::UNIX_EPOCH.add(Duration::from_millis(t))
+}
+
+fn header(h: &str) -> String {
+    let width = 18;
+    h.to_string() + ".".repeat(max(width - h.len(), 0)).as_str()
+}
+
 fn to_yes_or_no(opt: &Option<String>) -> String {
     opt.as_ref().map(|_| "YES".to_string()).unwrap_or_else(|| "NO".to_string())
 }

src/file.rs

@@ -1,4 +1,3 @@
-use std::fs::File;
 use std::io::{Read, Write};
 
 use rust_util::{opt_result, simple_error, XResult};

src/main.rs

@@ -1,6 +1,5 @@
 extern crate core;
 
-use std::fs::File;
 use std::path::PathBuf;
 
 use clap::{Parser, Subcommand};