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https://github.com/denoland/deno.git
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38a7128cdd
This commits moves implementation of net related APIs available on "Deno" namespace to "deno_net" extension. Following APIs were moved: - Deno.listen() - Deno.connect() - Deno.listenTls() - Deno.serveHttp() - Deno.shutdown() - Deno.resolveDns() - Deno.listenDatagram() - Deno.startTls() - Deno.Conn - Deno.Listener - Deno.DatagramConn
113 lines
3.1 KiB
Rust
113 lines
3.1 KiB
Rust
// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license.
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pub mod io;
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pub mod ops;
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pub mod ops_http;
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pub mod ops_tls;
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#[cfg(unix)]
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pub mod ops_unix;
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pub mod resolve_addr;
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use deno_core::error::AnyError;
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use deno_core::include_js_files;
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use deno_core::Extension;
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use deno_core::OpState;
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use std::cell::RefCell;
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use std::path::Path;
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use std::path::PathBuf;
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use std::rc::Rc;
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pub trait NetPermissions {
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fn check_net<T: AsRef<str>>(
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&mut self,
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_host: &(T, Option<u16>),
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) -> Result<(), AnyError>;
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fn check_read(&mut self, _p: &Path) -> Result<(), AnyError>;
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fn check_write(&mut self, _p: &Path) -> Result<(), AnyError>;
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}
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/// For use with this crate when the user does not want permission checks.
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pub struct NoNetPermissions;
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impl NetPermissions for NoNetPermissions {
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fn check_net<T: AsRef<str>>(
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&mut self,
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_host: &(T, Option<u16>),
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) -> Result<(), AnyError> {
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Ok(())
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}
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fn check_read(&mut self, _p: &Path) -> Result<(), AnyError> {
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Ok(())
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}
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fn check_write(&mut self, _p: &Path) -> Result<(), AnyError> {
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Ok(())
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}
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}
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/// `UnstableChecker` is a struct so it can be placed inside `GothamState`;
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/// using type alias for a bool could work, but there's a high chance
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/// that there might be another type alias pointing to a bool, which
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/// would override previously used alias.
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pub struct UnstableChecker {
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pub unstable: bool,
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}
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impl UnstableChecker {
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/// Quits the process if the --unstable flag was not provided.
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///
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/// This is intentionally a non-recoverable check so that people cannot probe
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/// for unstable APIs from stable programs.
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// NOTE(bartlomieju): keep in sync with `cli/program_state.rs`
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pub fn check_unstable(&self, api_name: &str) {
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if !self.unstable {
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eprintln!(
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"Unstable API '{}'. The --unstable flag must be provided.",
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api_name
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);
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std::process::exit(70);
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}
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}
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}
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/// Helper for checking unstable features. Used for sync ops.
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pub fn check_unstable(state: &OpState, api_name: &str) {
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state.borrow::<UnstableChecker>().check_unstable(api_name)
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}
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/// Helper for checking unstable features. Used for async ops.
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pub fn check_unstable2(state: &Rc<RefCell<OpState>>, api_name: &str) {
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let state = state.borrow();
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state.borrow::<UnstableChecker>().check_unstable(api_name)
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}
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pub fn get_declaration() -> PathBuf {
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PathBuf::from(env!("CARGO_MANIFEST_DIR")).join("lib.deno_net.d.ts")
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}
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pub fn get_unstable_declaration() -> PathBuf {
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PathBuf::from(env!("CARGO_MANIFEST_DIR")).join("lib.deno_net.unstable.d.ts")
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}
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pub fn init<P: NetPermissions + 'static>(unstable: bool) -> Extension {
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let mut ops_to_register = vec![];
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ops_to_register.extend(io::init());
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ops_to_register.extend(ops::init::<P>());
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ops_to_register.extend(ops_tls::init::<P>());
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ops_to_register.extend(ops_http::init());
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Extension::builder()
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.js(include_js_files!(
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prefix "deno:extensions/net",
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"01_net.js",
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"02_tls.js",
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"03_http.js",
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"04_net_unstable.js",
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))
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.ops(ops_to_register)
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.state(move |state| {
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state.put(UnstableChecker { unstable });
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Ok(())
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})
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.build()
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}
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