stubr 0.6.2

Wiremock implemented in Rust
Documentation 
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use crate::wiremock::Request;
use jsonwebtoken::Header;
use serde_json::Value;

use super::{AUTHORIZATION_HEADER, BEARER_PREFIX};

pub trait RequestAuthExtension {
    fn authorization_header(&self) -> Option<&str>;

    fn jwt(&self) -> Option<&str> {
        self.authorization_header()
            .filter(|h| h.contains(BEARER_PREFIX))
            .map(|h| &h[BEARER_PREFIX.len() + 1..])
    }

    fn jwt_header(&self) -> Option<Header> {
        self.jwt().and_then(|jwt| jsonwebtoken::decode_header(jwt).ok())
    }

    fn jwt_payload(&self) -> Option<Value> {
        use base64::Engine as _;
        self.jwt().and_then(|jwt| {
            jwt.split('.')
                .take(2)
                .last()
                .and_then(|payload| base64::prelude::BASE64_STANDARD.decode(payload).ok())
                .and_then(|payload| serde_json::from_slice(payload.as_slice()).ok())
        })
    }
}

impl RequestAuthExtension for Request {
    fn authorization_header(&self) -> Option<&str> {
        self.headers.get(&AUTHORIZATION_HEADER).map(|v| v.as_str())
    }
}