chore: reorg code

src/cmd_pgpcardsign.rs

@@ -0,0 +1,108 @@
+use std::collections::BTreeMap;
+use clap::{ArgMatches, SubCommand, App, Arg};
+use openpgp_card::Hash;
+use rust_util::XResult;
+use rust_util::util_clap::{Command, CommandError};
+
+pub struct CommandImpl;
+
+impl Command for CommandImpl {
+    fn name(&self) -> &str { "pgp-card-sign" }
+
+    fn subcommand<'a>(&self) -> App<'a, 'a> {
+        SubCommand::with_name(self.name()).about("OpenPGP Card Sign subcommand")
+            .arg(Arg::with_name("pass").short("p").long("pass").takes_value(true).default_value("123456").help("OpenPGP card password"))
+            .arg(Arg::with_name("sha256").short("2").long("sha256").takes_value(true).help("Digest SHA256 HEX"))
+            .arg(Arg::with_name("sha384").short("3").long("sha384").takes_value(true).help("Digest SHA384 HEX"))
+            .arg(Arg::with_name("sha512").short("5").long("sha512").takes_value(true).help("Digest SHA512 HEX"))
+            .arg(Arg::with_name("json").long("json").help("JSON output"))
+    }
+
+    fn run(&self, _arg_matches: &ArgMatches, sub_arg_matches: &ArgMatches) -> CommandError {
+        let json_output = sub_arg_matches.is_present("json");
+        if json_output {
+            rust_util::util_msg::set_logger_std_out(false);
+        }
+        let pass = sub_arg_matches.value_of("pass");
+        let pass = match pass {
+            Some(p) => p,
+            None => return simple_error!("Pass must be assigned"),
+        };
+        let sha256 = sub_arg_matches.value_of("sha256");
+        let sha384 = sub_arg_matches.value_of("sha384");
+        let sha512 = sub_arg_matches.value_of("sha512");
+
+        if sha256.is_none() && sha384.is_none() && sha512.is_none() {
+            return simple_error!("SHA256, SHA384 or SHA512 must assign one");
+        }
+
+        let mut json = BTreeMap::new();
+        if let Some(sha256) = sha256 {
+            let user = crate::pgpcardutil::get_card_user_sw1_81(pass)?;
+            let sha256_hex = opt_result!(hex::decode(sha256.trim()), "Decode sha256 failed: {}");
+            let sha256_hex = copy_sha256(&sha256_hex)?;
+            let sig = user.signature_for_hash(Hash::SHA256(sha256_hex))?;
+            success!("SHA256 signature HEX: {}", hex::encode(&sig));
+            success!("SHA256 signature base64: {}", base64::encode(&sig));
+            if json_output {
+                let mut entry = BTreeMap::new();
+                entry.insert("digest", hex::encode(&sha256_hex));
+                entry.insert("signature", hex::encode(&sig));
+                json.insert("sha256", entry);
+            }
+        }
+        if let Some(sha384) = sha384 {
+            let user = crate::pgpcardutil::get_card_user_sw1_81(pass)?;
+            let sha384_hex = opt_result!(hex::decode(sha384.trim()), "Decode sha384 failed: {}");
+            let sha384_hex = copy_sha384(&sha384_hex)?;
+            let sig = user.signature_for_hash(Hash::SHA384(sha384_hex))?;
+            success!("SHA384 signature HEX: {}", hex::encode(&sig));
+            success!("SHA384 signature base64: {}", base64::encode(&sig));
+            if json_output {
+                let mut entry = BTreeMap::new();
+                entry.insert("digest", hex::encode(&sha384_hex));
+                entry.insert("signature", hex::encode(&sig));
+                json.insert("sha384", entry);
+            }
+        }
+        if let Some(sha512) = sha512 {
+            let user = crate::pgpcardutil::get_card_user_sw1_81(pass)?;
+            let sha512_hex = opt_result!(hex::decode(sha512.trim()), "Decode sha512 failed: {}");
+            let sha512_hex = copy_sha512(&sha512_hex)?;
+            let sig = user.signature_for_hash(Hash::SHA512(sha512_hex))?;
+            success!("SHA512 signature HEX: {}", hex::encode(&sig));
+            success!("SHA512 signature base64: {}", base64::encode(&sig));
+            if json_output {
+                let mut entry = BTreeMap::new();
+                entry.insert("digest", hex::encode(&sha512_hex));
+                entry.insert("signature", hex::encode(&sig));
+                json.insert("sha512", entry);
+            }
+        }
+
+        if json_output {
+            println!("{}", serde_json::to_string_pretty(&json).unwrap());
+        }
+
+        Ok(None)
+    }
+}
+
+macro_rules! define_copy_array {
+    ($fn_name: ident, $len: tt) => (
+        fn $fn_name(in_arr: &[u8]) -> XResult<[u8; $len]> {
+            if in_arr.len() != $len {
+                return simple_error!("Array length is not: {}, but is: {}", $len, in_arr.len());
+            }
+            let mut out_arr = [0_u8; $len];
+            for i in 0..$len {
+                out_arr[i] = in_arr[i];
+            }
+            Ok(out_arr)
+        }
+    )
+}
+
+define_copy_array!(copy_sha256, 0x20);
+define_copy_array!(copy_sha384, 0x30);
+define_copy_array!(copy_sha512, 0x40);