Struct JwtValidator 

pub struct JwtValidator { /* private fields */ }

JWT validator configuration and validation logic

Implementations

impl JwtValidator

pub fn new(issuer: &str, algorithm: Algorithm) -> Result<Self>

Create a new JWT validator for a specific issuer

Arguments

• issuer - The expected issuer URL
• algorithm - The signing algorithm (e.g., RS256, HS256)

Errors

Returns error if configuration is invalid

pub fn with_audiences(self, audiences: &[&str]) -> Result<Self>

Set the audiences that this validator will accept.

Recommended for production to restrict JWT usage to specific services.

Errors

Returns AuthError::ConfigError if audiences is empty.

pub fn validate(&self, token: &str, key: &[u8]) -> Result<Claims>

Validate a JWT token and extract claims

Arguments

• token - The JWT token string
• key - The public key bytes for signature verification

Errors

Returns various errors: invalid token, expired token, invalid signature, etc.

pub fn validate_hmac(&self, token: &str, secret: &[u8]) -> Result<Claims>

Validate with HMAC secret (symmetric key)

Arguments

• token - The JWT token string
• secret - The shared secret for HMAC algorithms

Errors

Returns various errors similar to validate