mirror of
https://github.com/actix/examples
synced 2024-11-23 14:31:07 +01:00
improve awc_http example
This commit is contained in:
Rob Ede
parent
3cd842fbd5
commit
9aef457a78
49
Cargo.lock
generated
49
Cargo.lock
generated
@ -564,6 +564,7 @@ dependencies = [
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"actix-service 2.0.2",
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"actix-utils 3.0.0",
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"futures-core",
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"http",
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"log",
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"openssl",
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"pin-project-lite 0.2.8",
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@ -638,7 +639,7 @@ dependencies = [
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"actix-tls 2.0.0",
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"actix-utils 2.0.0",
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"actix-web-codegen 0.4.0",
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"awc",
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"awc 2.0.3",
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"bytes 0.5.6",
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"derive_more",
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"encoding_rs",
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@ -1227,6 +1228,41 @@ dependencies = [
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"serde_urlencoded",
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]
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[[package]]
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name = "awc"
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version = "3.0.0-beta.20"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "4a64a95bbf4905fd057ea45b70fdfeeb9c7ae09f03f091642c4e66a16ebb3ad5"
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dependencies = [
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"actix-codec 0.4.2",
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"actix-http 3.0.0-rc.1",
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"actix-rt 2.6.0",
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"actix-service 2.0.2",
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"actix-tls 3.0.2",
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"actix-utils 3.0.0",
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"ahash",
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"base64 0.13.0",
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"bytes 1.1.0",
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"cfg-if 1.0.0",
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"cookie 0.16.0",
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"derive_more",
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"futures-core",
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"futures-util",
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"h2 0.3.11",
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"http",
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"itoa 1.0.1",
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"log",
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"mime",
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"percent-encoding",
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"pin-project-lite 0.2.8",
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"rand 0.8.4",
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"rustls 0.20.2",
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"serde 1.0.136",
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"serde_json",
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"serde_urlencoded",
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"tokio 1.16.1",
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]
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[[package]]
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name = "awc_examples"
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version = "2.0.0"
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@ -1244,8 +1280,13 @@ dependencies = [
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name = "awc_https"
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version = "0.1.0"
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dependencies = [
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"actix-web 3.3.3",
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"openssl",
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"actix-web 4.0.0-rc.1",
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"awc 3.0.0-beta.20",
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"env_logger 0.9.0",
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"log",
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"mime",
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"rustls 0.20.2",
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"webpki-roots 0.22.2",
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]
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[[package]]
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@ -6758,7 +6799,7 @@ dependencies = [
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"actix-files 0.3.0",
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"actix-web 3.3.3",
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"actix-web-actors",
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"awc",
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"awc 2.0.3",
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"bytes 0.5.6",
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"env_logger 0.8.4",
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"futures",
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@ -5,6 +5,11 @@ authors = ["dowwie <dkcdkg@gmail.com>"]
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edition = "2021"
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[dependencies]
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actix-web = "4.0.0-beta.21"
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awc = {version = "3.0.0-beta.19", features = ["openssl"]}
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openssl = "0.10.38"
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actix-web = "4.0.0-rc.1"
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awc = { version = "3.0.0-beta.19", features = ["rustls"] }
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env_logger = "0.9"
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log = "0.4"
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mime = "0.3"
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rustls = "0.20"
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webpki-roots = "0.22"
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@ -1,9 +1,5 @@
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The goal of this example is to show you how to use the actix-web client (awc)
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for https related communication. As of actix-web 2.0.0, one must be very
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careful about setting up https communication. **You could use the default
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awc api without configuring ssl but performance will be severely diminished**.
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The goal of this example is to show you how to use the `awc` for secure HTTPS communication using Rustls.
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This example downloads a 1MB image from wikipedia.
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It uses best practices for efficient client set up and demonstrates how to increase the default payload limit.
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To run:
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> curl http://localhost:3000 -o image.jpg
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This example downloads a 10MB image from Wikipedia when hitting a server route. `cargo run` this example and go to <http://localhost:8080/> in your browser.
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@ -1,40 +1,83 @@
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use actix_web::{web, App, HttpRequest, HttpResponse, HttpServer};
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use awc::{Client, Connector};
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use openssl::ssl::{SslConnector, SslMethod};
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use std::{sync::Arc, time::Instant};
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async fn index(_req: HttpRequest) -> HttpResponse {
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let builder = SslConnector::builder(SslMethod::tls()).unwrap();
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use actix_web::{get, middleware, web::Data, App, HttpResponse, HttpServer};
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use awc::{http::header, Client, Connector};
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use rustls::{ClientConfig, OwnedTrustAnchor, RootCertStore};
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let client = Client::builder()
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.connector(Connector::new().openssl(builder.build()))
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.finish();
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const MAP_URL: &str =
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"https://upload.wikimedia.org/wikipedia/commons/f/ff/Pizigani_1367_Chart_10MB.jpg";
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let now = std::time::Instant::now();
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let payload =
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client
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.get("https://upload.wikimedia.org/wikipedia/commons/b/b9/Pizigani_1367_Chart_1MB.jpg")
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.send()
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.await
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.unwrap()
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#[get("/")]
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async fn fetch_image(client: Data<Client>) -> HttpResponse {
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let start = Instant::now();
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let mut res = client.get(MAP_URL).send().await.unwrap();
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if !res.status().is_success() {
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log::error!("Wikipedia did not return expected image");
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return HttpResponse::InternalServerError().finish();
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}
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let payload = res
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.body()
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.limit(20_000_000) // sets max allowable payload size
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// expected image is larger than default body limit
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.limit(20_000_000) // 20MB
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.await
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.unwrap();
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println!(
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"awc time elapsed while reading bytes into memory: {} ms",
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now.elapsed().as_millis()
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log::info!(
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"it took {}ms to download image to memory",
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start.elapsed().as_millis()
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);
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HttpResponse::Ok().content_type("image/jpeg").body(payload)
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HttpResponse::Ok()
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.content_type(mime::IMAGE_JPEG)
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.body(payload)
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}
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#[actix_web::main]
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async fn main() -> std::io::Result<()> {
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let port = 3000;
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env_logger::init_from_env(env_logger::Env::new().default_filter_or("info"));
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HttpServer::new(|| App::new().service(web::resource("/").to(index)))
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.bind(("0.0.0.0", port))?
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.run()
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.await
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let client_tls_config = Arc::new(rustls_config());
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log::info!("starting HTTP serer at http://localhost:8080");
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HttpServer::new(move || {
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// create client _inside_ `HttpServer::new` closure to have one per worker thread
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let client = Client::builder()
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// Wikipedia requires a User-Agent header to make requests
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.add_default_header((header::USER_AGENT, "awc-example/1.0"))
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// a "connector" wraps the stream into an encrypted connection
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.connector(Connector::new().rustls(Arc::clone(&client_tls_config)))
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.finish();
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App::new()
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.wrap(middleware::Logger::default())
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.app_data(Data::new(client))
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.service(fetch_image)
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})
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.bind(("127.0.0.1", 8080))?
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.workers(2)
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.run()
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.await
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}
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/// Create simple rustls client config from root certificates.
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fn rustls_config() -> ClientConfig {
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let mut root_store = RootCertStore::empty();
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root_store.add_server_trust_anchors(webpki_roots::TLS_SERVER_ROOTS.0.iter().map(
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|ta| {
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OwnedTrustAnchor::from_subject_spki_name_constraints(
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ta.subject,
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ta.spki,
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ta.name_constraints,
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)
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},
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));
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rustls::ClientConfig::builder()
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.with_safe_defaults()
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.with_root_certificates(root_store)
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.with_no_client_auth()
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}
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