feat: add json output for pgp card sign

src/pgpcardlist.rs

@@ -1,4 +1,4 @@
-use clap::{ArgMatches, SubCommand, App, Arg};
+use clap::{ArgMatches, SubCommand, App};
 use crate::cmd::{Command, CommandError};
 use openpgp_card::{OpenPGPCard, DecryptMe, Hash};
 
@@ -9,9 +9,7 @@ impl Command for CommandImpl {
 
     fn subcommand<'a>(&self) -> App<'a, 'a> {
         SubCommand::with_name(self.name()).about("OpenPGP Card List subcommand")
-            // .arg(Arg::with_name("app-id").long("app-id").default_value("https://example.com").help("App id"))
+        // .arg(Arg::with_name("json").long("json").help("JSON output"))
-            // .arg(Arg::with_name("timeout").long("timeout").default_value("10").help("Timeout in seconds"))
-            .arg(Arg::with_name("json").long("json").help("JSON output"))
     }
 
     fn run(&self, _arg_matches: &ArgMatches, _sub_arg_matches: &ArgMatches) -> CommandError {

src/pgpcardsign.rs

@@ -2,6 +2,7 @@ use clap::{ArgMatches, SubCommand, App, Arg};
 use crate::cmd::{Command, CommandError};
 use openpgp_card::{OpenPGPCard, Hash, OpenPGPCardUser};
 use rust_util::XResult;
+use std::collections::BTreeMap;
 
 pub struct CommandImpl;
 
@@ -18,6 +19,10 @@ impl Command for CommandImpl {
     }
 
     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,
@@ -31,13 +36,20 @@ impl Command for CommandImpl {
             return simple_error!("SHA256, SHA384 or SHA512 must assign one");
         }
 
+        let mut json = BTreeMap::new();
         if let Some(sha256) = sha256 {
             let user = get_card_user_sw1_81(pass)?;
             let sha256_hex = opt_result!(hex::decode(sha256), "Decode sha256 failed: {}");
             let sha256_hex = copy_sha256(&sha256_hex)?;
             let sig = user.signature_for_hash(Hash::SHA256(sha256_hex))?;
             success!("SHA256 signature: {}", hex::encode(&sig));
-            success!("SHA256 signature: {}", base64::encode(&sig));
+            // success!("SHA256 signature: {}", 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 = get_card_user_sw1_81(pass)?;
@@ -45,7 +57,13 @@ impl Command for CommandImpl {
             let sha384_hex = copy_sha384(&sha384_hex)?;
             let sig = user.signature_for_hash(Hash::SHA384(sha384_hex))?;
             success!("SHA384 signature: {}", hex::encode(&sig));
-            success!("SHA384 signature: {}", base64::encode(&sig));
+            // success!("SHA384 signature: {}", 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 = get_card_user_sw1_81(pass)?;
@@ -53,7 +71,17 @@ impl Command for CommandImpl {
             let sha512_hex = copy_sha512(&sha512_hex)?;
             let sig = user.signature_for_hash(Hash::SHA512(sha512_hex))?;
             success!("SHA512 signature: {}", hex::encode(&sig));
-            success!("SHA512 signature: {}", base64::encode(&sig));
+            // success!("SHA512 signature: {}", 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(())