mhost 0.11.3

Fast, async DNS lookup library and CLI -- modern dig/host replacement with parallel multi-server queries, DoH, DoT, subdomain discovery, and zone verification
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// Copyright 2017-2021 Lukas Pustina <lukas@pustina.de>
//
// Licensed under the Apache License, Version 2.0, <LICENSE-APACHE or
// http://apache.org/licenses/LICENSE-2.0> or the MIT license <LICENSE-MIT or
// http://opensource.org/licenses/MIT>, at your option. This file may not be
// copied, modified, or distributed except according to those terms.

use serde::{Deserialize, Serialize};

#[derive(Debug, PartialEq, Eq, Hash, Clone, Serialize, Deserialize)]
#[allow(clippy::upper_case_acronyms)]
pub struct CAA {
    issuer_critical: bool,
    tag: String,
    value: String,
}

impl CAA {
    pub fn new(issuer_critical: bool, tag: String, value: String) -> CAA {
        CAA {
            issuer_critical,
            tag,
            value,
        }
    }

    pub fn issuer_critical(&self) -> bool {
        self.issuer_critical
    }

    pub fn tag(&self) -> &str {
        &self.tag
    }

    pub fn value(&self) -> &str {
        &self.value
    }
}

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn caa_new_and_accessors() {
        let caa = CAA::new(true, "issue".to_string(), "letsencrypt.org".to_string());
        assert!(caa.issuer_critical());
        assert_eq!(caa.tag(), "issue");
        assert_eq!(caa.value(), "letsencrypt.org");
    }

    #[test]
    fn caa_not_critical() {
        let caa = CAA::new(false, "issuewild".to_string(), ";".to_string());
        assert!(!caa.issuer_critical());
        assert_eq!(caa.tag(), "issuewild");
        assert_eq!(caa.value(), ";");
    }
}

#[doc(hidden)]
impl From<hickory_resolver::proto::rr::rdata::CAA> for CAA {
    fn from(caa: hickory_resolver::proto::rr::rdata::CAA) -> Self {
        let tag = caa.tag().to_string();
        let value = String::from_utf8_lossy(caa.raw_value()).into_owned();

        CAA {
            issuer_critical: caa.issuer_critical(),
            tag,
            value,
        }
    }
}