tower_oauth2_resource_server/
jwt_unverified.rs

1use base64::prelude::BASE64_STANDARD_NO_PAD;
2
3#[derive(Debug, Clone)]
4pub struct UnverifiedJwt {
5    token: String,
6}
7
8impl UnverifiedJwt {
9    pub fn new(raw_token: impl Into<String>) -> Self {
10        UnverifiedJwt {
11            token: raw_token.into(),
12        }
13    }
14
15    pub fn as_str(&self) -> &str {
16        &self.token
17    }
18
19    pub fn header(&self) -> Option<serde_json::Value> {
20        let header_b64 = self.token.split('.').nth(0)?;
21        let header_bytes = base64::Engine::decode(&BASE64_STANDARD_NO_PAD, header_b64).ok()?;
22        let header_str = String::from_utf8(header_bytes).ok()?;
23        serde_json::from_str(&header_str).ok()?
24    }
25
26    pub fn claims(&self) -> Option<serde_json::Value> {
27        let claims_b64 = self.token.split('.').nth(1)?;
28        let claims_bytes = base64::Engine::decode(&BASE64_STANDARD_NO_PAD, claims_b64).unwrap();
29        let claims_str = String::from_utf8(claims_bytes).ok()?;
30        serde_json::from_str(&claims_str).ok()?
31    }
32}
33
34#[cfg(test)]
35mod tests {
36    use serde_json::json;
37
38    use super::*;
39
40    const VALID_TOKEN: &str = "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiYWRtaW4iOnRydWUsImlhdCI6MTUxNjIzOTAyMn0.KMUFsIDTnFmyG3nMiGM6H9FNFUROf3wh7SmqJp-QV30";
41
42    #[test]
43    fn parse_header() {
44        let header = UnverifiedJwt::new(VALID_TOKEN).header();
45        assert!(header.is_some());
46        assert_eq!(
47            header,
48            Some(json!({
49                "alg": "HS256",
50                "typ": "JWT"
51            }))
52        );
53    }
54
55    #[test]
56    fn parse_claims() {
57        let claims = UnverifiedJwt::new(VALID_TOKEN).claims();
58        assert!(claims.is_some());
59        assert_eq!(
60            claims,
61            Some(json!({
62              "sub": "1234567890",
63              "name": "John Doe",
64              "admin": true,
65              "iat": 1516239022
66            }))
67        );
68    }
69}
tower_oauth2_resource_server/jwt_unverified.rs

tower_oauth2_resource_server/
jwt_unverified.rs
