jwt/
error.rs

1use std::fmt;
2use std::string::FromUtf8Error;
3
4use base64::DecodeError;
5use crypto_common::InvalidLength;
6use digest::MacError;
7use serde_json::Error as JsonError;
8
9use self::Error::*;
10use crate::algorithm::AlgorithmType;
11
12#[derive(Debug)]
13pub enum Error {
14    AlgorithmMismatch(AlgorithmType, AlgorithmType),
15    Base64(DecodeError),
16    Format,
17    InvalidSignature,
18    Json(JsonError),
19    NoClaimsComponent,
20    NoHeaderComponent,
21    NoKeyId,
22    NoKeyWithKeyId(String),
23    NoSignatureComponent,
24    RustCryptoMac(MacError),
25    RustCryptoMacKeyLength(InvalidLength),
26    TooManyComponents,
27    Utf8(FromUtf8Error),
28    #[cfg(feature = "openssl")]
29    OpenSsl(openssl::error::ErrorStack),
30}
31
32impl fmt::Display for Error {
33    fn fmt(&self, f: &mut fmt::Formatter) -> Result<(), fmt::Error> {
34        match *self {
35            AlgorithmMismatch(a, b) => {
36                write!(f, "Expected algorithm type {:?} but found {:?}", a, b)
37            }
38            NoKeyId => write!(f, "No key id found"),
39            NoKeyWithKeyId(ref kid) => write!(f, "Key with key id {} not found", kid),
40            NoHeaderComponent => write!(f, "No header component found in token string"),
41            NoClaimsComponent => write!(f, "No claims component found in token string"),
42            NoSignatureComponent => write!(f, "No signature component found in token string"),
43            TooManyComponents => write!(f, "Too many components found in token string"),
44            Format => write!(f, "Format"),
45            InvalidSignature => write!(f, "Invalid signature"),
46            Base64(ref x) => write!(f, "{}", x),
47            Json(ref x) => write!(f, "{}", x),
48            Utf8(ref x) => write!(f, "{}", x),
49            RustCryptoMac(ref x) => write!(f, "{}", x),
50            RustCryptoMacKeyLength(ref x) => write!(f, "{}", x),
51            #[cfg(feature = "openssl")]
52            OpenSsl(ref x) => write!(f, "{}", x),
53        }
54    }
55}
56
57impl std::error::Error for Error {}
58
59macro_rules! error_wrap {
60    ($f:ty, $e:expr) => {
61        impl From<$f> for Error {
62            fn from(f: $f) -> Error {
63                $e(f)
64            }
65        }
66    };
67}
68
69error_wrap!(DecodeError, Base64);
70error_wrap!(JsonError, Json);
71error_wrap!(FromUtf8Error, Utf8);
72error_wrap!(MacError, RustCryptoMac);
73error_wrap!(InvalidLength, RustCryptoMacKeyLength);
74#[cfg(feature = "openssl")]
75error_wrap!(openssl::error::ErrorStack, Error::OpenSsl);
jwt/error.rs

jwt/
error.rs
