SlackWebhook

rocket_webhook::webhooks::built_in

Struct SlackWebhook

pub struct SlackWebhook { /* private fields */ }

Available on crate feature slack only.

Expand description

§Slack webhook

Looks for hex signature in X-Slack-Signature header, with a ‘v0=’ prefix, as well as the timestamp from X-Slack-Request-Timestamp.

Signature is a digest of v0:<timestamp>:<body>

Implementations§

impl SlackWebhook

pub fn with_secret(secret_key: impl Into<Vec<u8>>) -> Self

Instantiate with the secret key

Trait Implementations§

impl Webhook for SlackWebhook

async fn validate_body( &self, req: &Request<'_>, body: impl AsyncRead + Unpin + Send + Sync, time_bounds: (u32, u32), ) -> Outcome<'_, Vec<u8>, WebhookError>

Read body and validate webhook. If the webhook uses a timestamp, verify that it is within the expected bounds (bounds are in unix epoch seconds).

fn validate_timestamp( &self, timestamp: &str, (min, max): (u32, u32), ) -> Outcome<'_, (), WebhookError>

Validate a timestamp against the given bounds. The default implementation assumes that it is in Unix epoch seconds, and returns a Bad Request error if it is invalid.

fn get_header<'r>( &self, req: &'r Request<'_>, name: &str, prefix: Option<&str>, ) -> Outcome<'_, &'r str, WebhookError>

Retrieve a header that’s expected for a webhook request. The default implementation looks for the header and returns a Bad Request error if it was not provided. It can also optionally strip a given prefix.

impl WebhookHmac for SlackWebhook

type MAC = CoreWrapper<HmacCore<CoreWrapper<CtVariableCoreWrapper<Sha256VarCore, UInt<UInt<UInt<UInt<UInt<UInt<UTerm, B1>, B0>, B0>, B0>, B0>, B0>, OidSha256>>>>

Available on crate feature hmac only.

MAC algorithm (from the hmac crate) used to calculate the signature

fn secret_key(&self) -> &[u8] ⓘ

Available on crate feature hmac only.

Get the secret key used to sign the webhook

fn expected_signatures( &self, req: &Request<'_>, ) -> Outcome<'_, Vec<Vec<u8>>, WebhookError>

Available on crate feature hmac only.

Get the expected signature(s) from the request. To obtain required headers, you can use the self.get_header() utility.

fn body_prefix( &self, req: &Request<'_>, time_bounds: (u32, u32), ) -> Outcome<'_, Option<Vec<u8>>, WebhookError>

Available on crate feature hmac only.

Get an optional prefix to attach to the raw body when calculating the signature. Timestamps should be validated against the given bounds.

fn body_suffix( &self, req: &Request<'_>, time_bounds: (u32, u32), ) -> Outcome<'_, Option<Vec<u8>>, WebhookError>

Available on crate feature hmac only.

Get an optional suffix to attach to the raw body when calculating the signature. Timestamps should be validated against the given bounds.

fn validate_with_hmac( &self, req: &Request<'_>, body: impl AsyncRead + Unpin + Send + Sync, time_bounds: (u32, u32), ) -> impl Future<Output = Outcome<'_, Vec<u8>, WebhookError>> + Send + Sync
where Self: Sync, Self::MAC: Sync,

Available on crate feature hmac only.

Read the request body and verify the HMAC signature. Calculates the HMAC directly from the raw streamed body (with a prefix if configured).

Auto Trait Implementations§

impl Freeze for SlackWebhook

impl RefUnwindSafe for SlackWebhook

impl Send for SlackWebhook

impl Sync for SlackWebhook

impl Unpin for SlackWebhook

impl UnwindSafe for SlackWebhook

Blanket Implementations§

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