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denoland-deno/extensions/net/lib.rs
Justin Chase 02c74fb709
feat(tls): Optionally support loading native certs (#11491)
This commit adds "DENO_TLS_CA_STORE" env variable to support 
optionally loading certificates from the users local certificate store. 
This will allow them to successfully connect via tls with corporate 
and self signed certs provided they have them installed in their keystore. 
It also allows them to deal with revoked certs by simply updating 
their keystore without having to upgrade Deno.

Currently supported values are "mozilla", "system" or empty value.
2021-08-07 14:49:38 +02:00

121 lines
3.3 KiB
Rust

// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license.
pub mod io;
pub mod ops;
pub mod ops_tls;
#[cfg(unix)]
pub mod ops_unix;
pub mod resolve_addr;
use deno_core::error::AnyError;
use deno_core::include_js_files;
use deno_core::Extension;
use deno_core::OpState;
use deno_tls::rustls::RootCertStore;
use std::cell::RefCell;
use std::path::Path;
use std::path::PathBuf;
use std::rc::Rc;
pub trait NetPermissions {
fn check_net<T: AsRef<str>>(
&mut self,
_host: &(T, Option<u16>),
) -> Result<(), AnyError>;
fn check_read(&mut self, _p: &Path) -> Result<(), AnyError>;
fn check_write(&mut self, _p: &Path) -> Result<(), AnyError>;
}
/// For use with this crate when the user does not want permission checks.
pub struct NoNetPermissions;
impl NetPermissions for NoNetPermissions {
fn check_net<T: AsRef<str>>(
&mut self,
_host: &(T, Option<u16>),
) -> Result<(), AnyError> {
Ok(())
}
fn check_read(&mut self, _p: &Path) -> Result<(), AnyError> {
Ok(())
}
fn check_write(&mut self, _p: &Path) -> Result<(), AnyError> {
Ok(())
}
}
/// `UnstableChecker` is a struct so it can be placed inside `GothamState`;
/// using type alias for a bool could work, but there's a high chance
/// that there might be another type alias pointing to a bool, which
/// would override previously used alias.
pub struct UnstableChecker {
pub unstable: bool,
}
impl UnstableChecker {
/// Quits the process if the --unstable flag was not provided.
///
/// This is intentionally a non-recoverable check so that people cannot probe
/// for unstable APIs from stable programs.
// NOTE(bartlomieju): keep in sync with `cli/program_state.rs`
pub fn check_unstable(&self, api_name: &str) {
if !self.unstable {
eprintln!(
"Unstable API '{}'. The --unstable flag must be provided.",
api_name
);
std::process::exit(70);
}
}
}
/// Helper for checking unstable features. Used for sync ops.
pub fn check_unstable(state: &OpState, api_name: &str) {
state.borrow::<UnstableChecker>().check_unstable(api_name)
}
/// Helper for checking unstable features. Used for async ops.
pub fn check_unstable2(state: &Rc<RefCell<OpState>>, api_name: &str) {
let state = state.borrow();
state.borrow::<UnstableChecker>().check_unstable(api_name)
}
pub fn get_declaration() -> PathBuf {
PathBuf::from(env!("CARGO_MANIFEST_DIR")).join("lib.deno_net.d.ts")
}
pub fn get_unstable_declaration() -> PathBuf {
PathBuf::from(env!("CARGO_MANIFEST_DIR")).join("lib.deno_net.unstable.d.ts")
}
#[derive(Clone)]
pub struct DefaultTlsOptions {
pub root_cert_store: Option<RootCertStore>,
}
pub fn init<P: NetPermissions + 'static>(
root_cert_store: Option<RootCertStore>,
unstable: bool,
) -> Extension {
let mut ops_to_register = vec![];
ops_to_register.extend(io::init());
ops_to_register.extend(ops::init::<P>());
ops_to_register.extend(ops_tls::init::<P>());
Extension::builder()
.js(include_js_files!(
prefix "deno:extensions/net",
"01_net.js",
"02_tls.js",
"04_net_unstable.js",
))
.ops(ops_to_register)
.state(move |state| {
state.put(DefaultTlsOptions {
root_cert_store: root_cert_store.clone(),
});
state.put(UnstableChecker { unstable });
Ok(())
})
.build()
}