Struct ChaCha20Poly1305CsrfProtection

pub struct ChaCha20Poly1305CsrfProtection { /* private fields */ }

Uses ChaCha20Poly1305 to provide signed, encrypted CSRF tokens and cookies.

Implementations

impl ChaCha20Poly1305CsrfProtection

pub fn from_key(aead_key: [u8; 32]) -> ChaCha20Poly1305CsrfProtection

Given a key, return a ChaCha20Poly1305CsrfProtection instance.

Trait Implementations

impl CsrfProtection for ChaCha20Poly1305CsrfProtection

fn generate_cookie( &self, token_value: &[u8; 64], ttl_seconds: i64, ) -> Result<CsrfCookie, CsrfError>

Given a nonce and a time to live (TTL), create a cookie to send to the end user.

fn generate_token(&self, token_value: &[u8; 64]) -> Result<CsrfToken, CsrfError>

Given a nonce, create a token to send to the end user.

fn parse_cookie( &self, cookie: &[u8], ) -> Result<UnencryptedCsrfCookie, CsrfError>

Given a decoded byte array, deserialize, decrypt, and verify the cookie.

fn parse_token(&self, token: &[u8]) -> Result<UnencryptedCsrfToken, CsrfError>

Given a decoded byte array, deserialize, decrypt, and verify the token.

fn verify_token_pair( &self, token: &UnencryptedCsrfToken, cookie: &UnencryptedCsrfCookie, ) -> bool

Given a token pair that has been parsed, decoded, decrypted, and verified, return whether or not the token matches the cookie and they have not expired.

fn random_bytes(&self, buf: &mut [u8]) -> Result<(), CsrfError>

Given a buffer, fill it with random bytes or error if this is not possible.

fn generate_token_pair( &self, previous_token_value: Option<&[u8; 64]>, ttl_seconds: i64, ) -> Result<(CsrfToken, CsrfCookie), CsrfError>

Given an optional previous token and a TTL, generate a matching token and cookie pair.