slack-http-verifier

This crate implements verification of Slack's request tokens, as described here.

There is out-of-the-box support for reqwest::blocking::Request, and http::Request, but you can create a newtype implementing HTTPRequest to suit your own needs.

Use the HTTP Request API: ```rust use slackhttpverifier::SlackHTTPVerifier;

let verifier = SlackHTTPVerifier::new("abcd1234...").unwrap();

// ... Receive a request somehow ...

assert!(verifier.verify(&req).is_ok()); ```

Or use the raw API: ```rust use slackhttpverifier::SlackVerifier;

let verifier = SlackVerifier::new("abcd1234...").unwrap();

// ... Receive a request somehow ... let ts = req.get("X-Slack-Request-Timestamp"); let sig = req.get("X-Slack-Signature"); let body = req.body().as_str();

assert!(verifier.verify(&ts, &body, &sig).is_ok()); ```