ws2tcp-local 0.1.3

Local HTTP proxy client for ws2tcp-router.
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use std::sync::Arc;

use rustls::{
    ClientConfig, DigitallySignedStruct, Error, SignatureScheme,
    client::danger::{HandshakeSignatureValid, ServerCertVerified, ServerCertVerifier},
    pki_types::{CertificateDer, ServerName, UnixTime},
};
use tokio_tungstenite::Connector;

#[derive(Debug)]
struct NoServerCertVerification;

impl ServerCertVerifier for NoServerCertVerification {
    fn verify_server_cert(
        &self,
        _end_entity: &CertificateDer<'_>,
        _intermediates: &[CertificateDer<'_>],
        _server_name: &ServerName<'_>,
        _ocsp_response: &[u8],
        _now: UnixTime,
    ) -> Result<ServerCertVerified, Error> {
        Ok(ServerCertVerified::assertion())
    }

    fn verify_tls12_signature(
        &self,
        _message: &[u8],
        _cert: &CertificateDer<'_>,
        _dss: &DigitallySignedStruct,
    ) -> Result<HandshakeSignatureValid, Error> {
        Ok(HandshakeSignatureValid::assertion())
    }

    fn verify_tls13_signature(
        &self,
        _message: &[u8],
        _cert: &CertificateDer<'_>,
        _dss: &DigitallySignedStruct,
    ) -> Result<HandshakeSignatureValid, Error> {
        Ok(HandshakeSignatureValid::assertion())
    }

    fn supported_verify_schemes(&self) -> Vec<SignatureScheme> {
        vec![
            SignatureScheme::ECDSA_NISTP384_SHA384,
            SignatureScheme::ECDSA_NISTP256_SHA256,
            SignatureScheme::ED25519,
            SignatureScheme::RSA_PSS_SHA512,
            SignatureScheme::RSA_PSS_SHA384,
            SignatureScheme::RSA_PSS_SHA256,
            SignatureScheme::RSA_PKCS1_SHA512,
            SignatureScheme::RSA_PKCS1_SHA384,
            SignatureScheme::RSA_PKCS1_SHA256,
        ]
    }
}

pub(crate) fn insecure_websocket_connector() -> Connector {
    let config = ClientConfig::builder()
        .dangerous()
        .with_custom_certificate_verifier(Arc::new(NoServerCertVerification))
        .with_no_client_auth();

    Connector::Rustls(Arc::new(config))
}