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/// Error handling for the library
#[derive(Debug)]
pub enum LiteSessionError {
/// The `nonce` length is not valid as it should be of `12 bytes/96bit` length.
/// Using a `12 characters alphanumeric string` generated from a
/// `cryptographically secure random number(CSPRNG)` is recommended.
NonceLengthError,
/// The `key` length of the provided `server key` is not valid as it should be
/// `32byte/256bit` length. Using a `32 characters alphanumeric string` generated from a
/// `cryptographically secure random number(CSPRNG)` is recommended.
ServerKeyLengthError,
/// The size of the token from a user is too big as it should not be more than 1KiB in size
/// This circumvents denial-of-service(DOS) attacks since a very large token can consume
/// execessive resources thereby starving other requests or processes
TokenSizeTooLarge,
/// The provided tokens length has been tampered with or the token is corrupted
TokenFieldsLengthError,
/// The provided token contains invalid length `acl` fields indicating a tampered or corrupted token
DataFieldsLengthError,
/// The string provided was not of type `hex` even though a hex type is needed
InvalidHexString,
/// The destructured time in `hex` cannot be converted to a valid `TAI64N` scientific time value
InvalidTai64NTime,
/// The bytes provided cannot be converted to a valid `blake3::Hash`
InvalidBytesForBlake3,
/// The provided bytes cannot be converted to a valid UTF-8 token.
/// This usually happens when the `key` or `nonce` used or both are invalid
/// resulting in a bad deserialization
FromUtf8TokenError,
}
impl core::cmp::PartialEq for LiteSessionError {
fn eq(&self, other: &Self) -> bool {
match (self, other) {
(LiteSessionError::NonceLengthError, LiteSessionError::NonceLengthError)
| (LiteSessionError::ServerKeyLengthError, LiteSessionError::ServerKeyLengthError)
| (LiteSessionError::TokenSizeTooLarge, LiteSessionError::TokenSizeTooLarge)
| (
LiteSessionError::TokenFieldsLengthError,
LiteSessionError::TokenFieldsLengthError,
)
| (LiteSessionError::DataFieldsLengthError, LiteSessionError::DataFieldsLengthError)
| (LiteSessionError::InvalidHexString, LiteSessionError::InvalidHexString)
| (LiteSessionError::InvalidTai64NTime, LiteSessionError::InvalidTai64NTime)
| (LiteSessionError::InvalidBytesForBlake3, LiteSessionError::InvalidBytesForBlake3)
| (LiteSessionError::FromUtf8TokenError, LiteSessionError::FromUtf8TokenError) => true,
_ => false,
}
}
}