commit 58075daa0a0a7a46ff2feb6314b585240bd5ab9e
Author: Sebastian H. Gabrielli <sebgab@sebaweb.no>
Date:   Sat Dec 30 13:23:37 2023 +0100

    Certbot signed works

diff --git a/.gitignore b/.gitignore
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diff --git a/Cargo.lock b/Cargo.lock
new file mode 100644
index 0000000..8cd6575
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diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..4605de2
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,12 @@
+[package]
+name = "jwt-decode-test"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+jsonwebtoken = "9.2.0"
+pem = "3.0.3"
+serde = {version = "1.0", features = ["derive"] }
+serde_json = "1.0.108"
diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..6bd17c4
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,40 @@
+use jsonwebtoken::{decode, DecodingKey, Validation, Algorithm, errors::Result};
+use serde::{Deserialize};
+
+// Define a struct for the claims you expect in your token
+#[derive(Debug, Deserialize)]
+struct MyClaims {
+    // Define your claim fields here
+    sub: String,
+    exp: usize,
+    // more fields...
+}
+
+fn validate_jwt(token: &str, public_key_pem: String) -> Result<MyClaims> {
+    let mut validation = Validation::new(Algorithm::ES256);
+    validation.set_audience(&["CLaLr8sikEiN7NCrPMhjhbtLZgnZJ6JZVzPdVN5P"]);
+
+    let token_data = decode::<MyClaims>(
+        token,
+        &DecodingKey::from_ec_pem(public_key_pem.as_bytes()).unwrap(),
+        &validation,
+    )?;
+
+    Ok(token_data.claims)
+}
+
+fn main() {
+    let token: &str = "eyJhbGciOiJFUzI1NiIsImtpZCI6IjVkM2JkMDcxOGQ4ZWM3NWQ3ZDg1MjlmNDQwMzRiYTc1IiwidHlwIjoiSldUIn0.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.rXgUhr8KvNfNKnfsPF8dPYmRoblcqitp8KBMpS9qBqJjaMQuHE6HgfV7Gy3d0uTXoNSIOaB1-WxKB-t6mx272w";
+    //let public_key_pem = "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"; // Replace with your public key in PEM format
+
+    // Extract the x5c field from the JWKS
+    let x5c = "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";
+
+    // Convert to PEM format
+    let public_key_pem = format!("-----BEGIN CERTIFICATE-----\n{}\n-----END CERTIFICATE-----", x5c);
+
+    match validate_jwt(token, public_key_pem) {
+        Ok(claims) => println!("Token is valid! Claims: {:?}", claims),
+        Err(err) => println!("Error validating token: {:?}", err),
+    }
+}