sniffnet 1.5.0

Application to comfortably monitor your network traffic
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use crate::countries::types::country::Country;
use crate::mmdb::types::mmdb_country_entry::MmdbCountryEntry;
use crate::mmdb::types::mmdb_reader::MmdbReader;
use std::net::IpAddr;

pub const COUNTRY_MMDB: &[u8] = include_bytes!("../../resources/DB/GeoLite2-Country.mmdb");

#[allow(clippy::module_name_repetitions)]
pub fn get_country(address: &IpAddr, country_db_reader: &MmdbReader) -> Country {
    if let Some(res) = country_db_reader.lookup::<MmdbCountryEntry>(*address) {
        return res.get_country();
    }
    Country::ZZ // unknown
}

#[cfg(test)]
mod tests {
    use crate::countries::types::country::Country;
    use crate::mmdb::country::{COUNTRY_MMDB, get_country};
    use crate::mmdb::types::mmdb_reader::MmdbReader;
    use std::net::IpAddr;
    use std::str::FromStr;

    #[test]
    fn test_get_country_with_default_reader() {
        let reader_1 = MmdbReader::from(&String::from("unknown path"), COUNTRY_MMDB);
        assert!(matches!(reader_1, MmdbReader::Default(_)));
        let reader_2 = MmdbReader::from(&String::new(), COUNTRY_MMDB);
        assert!(matches!(reader_2, MmdbReader::Default(_)));
        let reader_3 = MmdbReader::from(&String::from("resources/repository/hr.png"), COUNTRY_MMDB);
        assert!(matches!(reader_3, MmdbReader::Default(_)));
        let reader_4 = MmdbReader::from(
            &String::from("resources/DB/GeoLite2-Country.mmdb"),
            COUNTRY_MMDB,
        );
        assert!(matches!(reader_4, MmdbReader::Custom(_)));
        let reader_5 = MmdbReader::from(&String::from("resources/DB/GeoLite2-Country.mmdb"), &[]);
        assert!(matches!(reader_5, MmdbReader::Custom(_)));

        for reader in vec![reader_1, reader_2, reader_3, reader_4, reader_5] {
            // known IP
            let res = get_country(&IpAddr::from([8, 8, 8, 8]), &reader);
            assert_eq!(res, Country::US);

            // another known IP
            let res = get_country(&IpAddr::from([78, 35, 248, 93]), &reader);
            assert_eq!(res, Country::DE);

            // known IPv6
            let res = get_country(&IpAddr::from_str("2806:230:2057::").unwrap(), &reader);
            assert_eq!(res, Country::MX);

            // unknown IP
            let res = get_country(&IpAddr::from([127, 0, 0, 1]), &reader);
            assert_eq!(res, Country::ZZ);

            // unknown IPv6
            let res = get_country(&IpAddr::from_str("::1").unwrap(), &reader);
            assert_eq!(res, Country::ZZ);
        }
    }

    #[test]
    fn test_get_country_with_custom_ipinfo_single_reader() {
        let reader_1 = MmdbReader::from(
            &String::from("resources/test/ipinfo_location_sample.mmdb"),
            COUNTRY_MMDB,
        );
        let reader_2 = MmdbReader::from(
            &String::from("resources/test/ipinfo_location_sample.mmdb"),
            &[],
        );

        for reader in vec![reader_1, reader_2] {
            assert!(matches!(reader, MmdbReader::Custom(_)));

            // known IP
            let res = get_country(&IpAddr::from([1, 0, 6, 99]), &reader);
            assert_eq!(res, Country::AU);

            // another known IP
            let res = get_country(&IpAddr::from([1, 0, 8, 0]), &reader);
            assert_eq!(res, Country::CN);

            // known IPv6
            // let res = get_country(&IpAddr::from_str("2a0e:1d80::").unwrap(), &reader);
            // assert_eq!(res, Country::RO);

            // unknown IP
            let res = get_country(&IpAddr::from([127, 0, 0, 1]), &reader);
            assert_eq!(res, Country::ZZ);

            // unknown IPv6
            let res = get_country(&IpAddr::from_str("::1").unwrap(), &reader);
            assert_eq!(res, Country::ZZ);
        }
    }

    #[test]
    fn test_get_country_with_custom_ipinfo_combined_reader() {
        let reader_1 = MmdbReader::from(
            &String::from("resources/test/ipinfo_lite_sample.mmdb"),
            COUNTRY_MMDB,
        );
        let reader_2 =
            MmdbReader::from(&String::from("resources/test/ipinfo_lite_sample.mmdb"), &[]);

        for reader in vec![reader_1, reader_2] {
            assert!(matches!(reader, MmdbReader::Custom(_)));

            // known IP
            let res = get_country(&IpAddr::from([1, 0, 65, 1]), &reader);
            assert_eq!(res, Country::JP);

            // another known IP
            let res = get_country(&IpAddr::from([1, 6, 230, 0]), &reader);
            assert_eq!(res, Country::IN);

            // known IPv6
            // let res = get_country(&IpAddr::from_str("2a02:6ea0:f001::").unwrap(), &reader);
            // assert_eq!(res, Country::AR);

            // unknown IP
            let res = get_country(&IpAddr::from([127, 0, 0, 1]), &reader);
            assert_eq!(res, Country::ZZ);

            // unknown IPv6
            let res = get_country(&IpAddr::from_str("::1").unwrap(), &reader);
            assert_eq!(res, Country::ZZ);
        }
    }
}