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Copy pathcustom_tls_providers.rs
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67 lines (58 loc) · 2.21 KB
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//! Example project to demonstrate how to set a custom rustls provider for RustPython.
// spell-checker: ignore graviola
use std::env;
use rustls::crypto::ring;
use rustpython_pylib::FROZEN_STDLIB;
use rustpython_stdlib::{ssl::providers::CryptoExt, stdlib_module_defs};
use rustpython_vm::Interpreter;
const SCRIPT: &str = r#"
import urllib.request
with urllib.request.urlopen("https://python.org") as response:
assert response.status == 200
"#;
fn main() {
let provider = env::args()
.skip(1)
.find_map(|arg| match &*arg {
"--ring" => Some("ring"),
"--graviola" => Some("graviola"),
_ => None,
})
.unwrap_or("ring");
match provider {
"ring" => {
let ext = CryptoExt {
all_cipher_suites: Some(ring::ALL_CIPHER_SUITES),
default_cipher_suites: Some(ring::DEFAULT_CIPHER_SUITES),
all_kx_groups: Some(ring::ALL_KX_GROUPS),
any_supported_key: Some(ring::sign::any_supported_type),
ticketer: ring::Ticketer::new,
};
CryptoExt::set_provider(ring::default_provider(), ext).unwrap();
println!("Using ring for cryptography");
}
"graviola" => {
let ext = CryptoExt {
all_cipher_suites: Some(rustls_graviola::suites::ALL_CIPHER_SUITES),
default_cipher_suites: None,
all_kx_groups: Some(rustls_graviola::kx::ALL_KX_GROUPS),
any_supported_key: None,
ticketer: rustls_graviola::Ticketer::new,
};
CryptoExt::set_provider(rustls_graviola::default_provider(), ext).unwrap();
println!("Using Graviola for cryptography");
}
unsupported => panic!("Unsupported provider: {unsupported}"),
}
let builder = Interpreter::builder(Default::default());
let defs = stdlib_module_defs(&builder.ctx);
let result = builder
.add_native_modules(&defs)
.add_frozen_modules(FROZEN_STDLIB)
.build()
.run(|vm| {
let scope = vm.new_scope_with_builtins();
vm.run_block_expr(scope, SCRIPT).map(|_| ())
});
assert_eq!(0, result);
}