feat: if the token seems binary, show as hexdump

Author: ctron

Cargo.lock

@@ -35,6 +35,7 @@ log = "0.4"
 num-traits = "0.2"
 open = "5"
 openid = "0.15"
+pretty-hex = "0.4.1"
 reqwest = "0.12"
 serde = { version = "1", features = ["derive"] }
 serde_json = "1"

Cargo.toml

@@ -1,5 +1,6 @@
 use biscuit::{Base64Url, CompactPart};
 use colored_json::to_colored_json_auto;
+use pretty_hex::pretty_hex;
 use serde_json::Value;
 use std::io::{stdout, Write};
 
@@ -21,7 +22,12 @@ pub fn inspect_part(part: Base64Url) -> anyhow::Result<()> {
     match serde_json::from_slice::<Value>(&data) {
         Err(err) => {
             println!(" Invalid JSON: {err}");
-            stdout().lock().write_all(&data)?;
+            if is_text(&data) {
+                stdout().lock().write_all(&data)?;
+            } else {
+                let output = pretty_hex(&data);
+                stdout().lock().write_all(output.as_bytes())?;
+            }
         }
         Ok(value) => {
             println!();
@@ -30,3 +36,7 @@ pub fn inspect_part(part: Base64Url) -> anyhow::Result<()> {
     }
     Ok(())
 }
+
+fn is_text(data: &[u8]) -> bool {
+    String::from_utf8(data.to_vec()).is_ok()
+}