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feat(miner): add client wallet grpc authentication interceptor
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65 changes: 65 additions & 0 deletions
65
applications/tari_app_grpc/src/authentication/client_interceptor.rs
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// Copyright 2022. The Tari Project | ||
// | ||
// Redistribution and use in source and binary forms, with or without modification, are permitted provided that the | ||
// following conditions are met: | ||
// | ||
// 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following | ||
// disclaimer. | ||
// | ||
// 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the | ||
// following disclaimer in the documentation and/or other materials provided with the distribution. | ||
// | ||
// 3. Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote | ||
// products derived from this software without specific prior written permission. | ||
// | ||
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, | ||
// INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | ||
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | ||
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | ||
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, | ||
// WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE | ||
// USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
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use tari_common_types::grpc_authentication::GrpcAuthentication; | ||
use tonic::{ | ||
codegen::http::header::AUTHORIZATION, | ||
metadata::{Ascii, MetadataValue}, | ||
service::Interceptor, | ||
Request, | ||
Status, | ||
}; | ||
|
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use crate::authentication::{BasicAuthCredentials, BasicAuthError}; | ||
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#[derive(Debug, Clone)] | ||
pub struct ClientAuthenticationInterceptor { | ||
authorization_header: Option<MetadataValue<Ascii>>, | ||
} | ||
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impl ClientAuthenticationInterceptor { | ||
pub fn create(auth: &GrpcAuthentication) -> Result<Self, BasicAuthError> { | ||
let authorization_header = match auth { | ||
GrpcAuthentication::None => None, | ||
GrpcAuthentication::Basic { username, password } => Some( | ||
BasicAuthCredentials::generate_header(username, password.reveal())? | ||
.parse() | ||
.unwrap(), | ||
), | ||
}; | ||
Ok(Self { authorization_header }) | ||
} | ||
} | ||
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impl Interceptor for ClientAuthenticationInterceptor { | ||
fn call(&mut self, mut request: Request<()>) -> Result<Request<()>, Status> { | ||
match self.authorization_header.clone() { | ||
Some(authorization_header) => { | ||
request | ||
.metadata_mut() | ||
.insert(AUTHORIZATION.as_str(), authorization_header); | ||
Ok(request) | ||
}, | ||
None => Ok(request), | ||
} | ||
} | ||
} |
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