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feat(node/os): implement getPriority, setPriority & userInfo (#19370)

Browse source 
Takes #4202 over
Closes #17850 

---------

Co-authored-by: ecyrbe <ecyrbe@gmail.com>
This commit is contained in:
Leo Kettmeir 2023-07-31 22:29:09 +02:00 committed by GitHub
parent 78ceeec6be
commit aa8078b688
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GPG key ID: 4AEE18F83AFDEB23
11 changed files with 314 additions and 31 deletions
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14
Cargo.lock generated
View file

@ -1296,11 +1296,13 @@ dependencies = [
"dsa",
"ecb",
"elliptic-curve 0.13.4",
"errno",
"hex",
"hkdf",
"idna 0.3.0",
"indexmap 1.9.2",
"lazy-regex",
"libc",
"libz-sys",
"md-5",
"md4",
@ -1328,6 +1330,8 @@ dependencies = [
"signature 1.6.4",
"tokio",
"typenum",
"whoami",
"winapi",
"x25519-dalek",
"x509-parser",
]
@ -6089,6 +6093,16 @@ dependencies = [
"once_cell",
]
[[package]]
name = "whoami"
version = "1.4.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "2c70234412ca409cc04e864e89523cb0fc37f5e1344ebed5a3ebf4192b6b9f68"
dependencies = [
"wasm-bindgen",
"web-sys",
]
[[package]]
name = "widestring"
version = "0.5.1"

4
cli/tests/integration/shared_library_tests.rs
View file

@ -45,12 +45,14 @@ fn macos_shared_libraries() {
// target/release/deno:
// /System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation (compatibility version 150.0.0, current version 1953.255.0)
// /System/Library/Frameworks/CoreServices.framework/Versions/A/CoreServices (compatibility version 1.0.0, current version 1228.0.0)
// /System/Library/Frameworks/SystemConfiguration.framework/Versions/A/SystemConfiguration (compatibility version 1.0.0, current version 1241.100.11)
// /System/Library/Frameworks/Security.framework/Versions/A/Security (compatibility version 1.0.0, current version 60420.60.24)
// /usr/lib/libiconv.2.dylib (compatibility version 7.0.0, current version 7.0.0)
// /usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current version 1319.0.0)
const EXPECTED: [&str; 6] =
const EXPECTED: [&str; 7] =
["/System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation",
"/System/Library/Frameworks/CoreServices.framework/Versions/A/CoreServices",
"/System/Library/Frameworks/SystemConfiguration.framework/Versions/A/SystemConfiguration",
"/System/Library/Frameworks/Security.framework/Versions/A/Security",
"/usr/lib/libiconv.2.dylib",
"/usr/lib/libSystem.B.dylib",

54
cli/tests/unit_node/os_test.ts
View file

@ -5,6 +5,7 @@ import os from "node:os";
import {
assert,
assertEquals,
assertNotEquals,
assertThrows,
} from "../../../test_util/std/testing/asserts.ts";
@ -252,28 +253,39 @@ Deno.test({
});
Deno.test({
name: "APIs not yet implemented",
name: "os.setPriority() & os.getPriority()",
// disabled because os.getPriority() doesn't work without sudo
ignore: true,
fn() {
assertThrows(
() => {
os.getPriority();
},
Error,
"Not implemented",
);
assertThrows(
() => {
os.setPriority(0);
},
Error,
"Not implemented",
);
assertThrows(
() => {
os.userInfo();
},
Error,
"Not implemented",
const child = new Deno.Command(Deno.execPath(), {
args: ["eval", "while (true) { console.log('foo') }"],
}).spawn();
const originalPriority = os.getPriority(child.pid);
assertNotEquals(originalPriority, os.constants.priority.PRIORITY_HIGH);
os.setPriority(child.pid, os.constants.priority.PRIORITY_HIGH);
assertEquals(
os.getPriority(child.pid),
os.constants.priority.PRIORITY_HIGH,
);
os.setPriority(child.pid, originalPriority);
assertEquals(os.getPriority(child.pid), originalPriority);
child.kill();
},
});
Deno.test({
name:
"os.setPriority() throw os permission denied error & os.getPriority() doesn't",
async fn() {
const child = new Deno.Command(Deno.execPath(), {
args: ["eval", "while (true) { console.log('foo') }"],
}).spawn();
assertThrows(
() => os.setPriority(child.pid, os.constants.priority.PRIORITY_HIGH),
Deno.errors.PermissionDenied,
);
os.getPriority(child.pid);
child.kill();
await child.status;
},
});

4
ext/node/Cargo.toml
View file

@ -28,11 +28,13 @@ digest = { version = "0.10.5", features = ["core-api", "std"] }
dsa = "0.6.1"
ecb.workspace = true
elliptic-curve.workspace = true
errno = "0.2.8"
hex.workspace = true
hkdf.workspace = true
idna = "0.3.0"
indexmap.workspace = true
lazy-regex.workspace = true
libc.workspace = true
libz-sys = { version = "1.1.8", features = ["static"] }
md-5 = "0.10.5"
md4 = "0.10.2"
@ -60,6 +62,8 @@ sha2.workspace = true
signature.workspace = true
tokio.workspace = true
typenum = "1.15.0"
whoami = "1.4.0"
winapi.workspace = true
# https://github.com/dalek-cryptography/x25519-dalek/pull/89
x25519-dalek = "2.0.0-pre.1"
x509-parser = "0.15.0"

7
ext/node/lib.rs
View file

@ -53,6 +53,7 @@ pub trait NodePermissions {
api_name: &str,
) -> Result<(), AnyError>;
fn check_read(&self, path: &Path) -> Result<(), AnyError>;
fn check_sys(&self, kind: &str, api_name: &str) -> Result<(), AnyError>;
}
pub(crate) struct AllowAllNodePermissions;
@ -68,6 +69,9 @@ impl NodePermissions for AllowAllNodePermissions {
fn check_read(&self, _path: &Path) -> Result<(), AnyError> {
Ok(())
}
fn check_sys(&self, _kind: &str, _api_name: &str) -> Result<(), AnyError> {
Ok(())
}
}
#[allow(clippy::disallowed_types)]
@ -243,6 +247,9 @@ deno_core::extension!(deno_node,
ops::zlib::brotli::op_brotli_decompress_stream,
ops::zlib::brotli::op_brotli_decompress_stream_end,
ops::http::op_node_http_request<P>,
ops::os::op_node_os_get_priority<P>,
ops::os::op_node_os_set_priority<P>,
ops::os::op_node_os_username<P>,
op_node_build_os,
op_is_any_arraybuffer,
op_node_is_promise_rejected,

1
ext/node/ops/mod.rs
View file

@ -3,6 +3,7 @@
pub mod crypto;
pub mod http;
pub mod idna;
pub mod os;
pub mod require;
pub mod v8;
pub mod winerror;

188
ext/node/ops/os.rs Normal file
View file

@ -0,0 +1,188 @@
// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
use crate::NodePermissions;
use deno_core::error::AnyError;
use deno_core::op;
use deno_core::OpState;
use errno::errno;
use errno::set_errno;
use errno::Errno;
#[op]
pub fn op_node_os_get_priority<P>(
state: &mut OpState,
pid: u32,
) -> Result<i32, AnyError>
where
P: NodePermissions + 'static,
{
{
let permissions = state.borrow_mut::<P>();
permissions.check_sys("getPriority", "node:os.getPriority()")?;
}
priority::get_priority(pid)
}
#[op]
pub fn op_node_os_set_priority<P>(
state: &mut OpState,
pid: u32,
priority: i32,
) -> Result<(), AnyError>
where
P: NodePermissions + 'static,
{
{
let permissions = state.borrow_mut::<P>();
permissions.check_sys("setPriority", "node:os.setPriority()")?;
}
priority::set_priority(pid, priority)
}
#[op]
pub fn op_node_os_username<P>(state: &mut OpState) -> Result<String, AnyError>
where
P: NodePermissions + 'static,
{
{
let permissions = state.borrow_mut::<P>();
permissions.check_sys("userInfo", "node:os.userInfo()")?;
}
Ok(whoami::username())
}
const PRIORITY_HIGH: i32 = -14;
#[cfg(unix)]
mod priority {
use super::*;
use libc::id_t;
use libc::PRIO_PROCESS;
#[cfg(target_os = "macos")]
#[allow(non_camel_case_types)]
type priority_t = i32;
#[cfg(target_os = "linux")]
#[allow(non_camel_case_types)]
type priority_t = u32;
// Ref: https://github.com/libuv/libuv/blob/55376b044b74db40772e8a6e24d67a8673998e02/src/unix/core.c#L1533-L1547
pub fn get_priority(pid: u32) -> Result<i32, AnyError> {
set_errno(Errno(0));
match (
// SAFETY: libc::getpriority is unsafe
unsafe { libc::getpriority(PRIO_PROCESS as priority_t, pid as id_t) },
errno(),
) {
(-1, Errno(0)) => Ok(PRIORITY_HIGH),
(-1, _) => Err(std::io::Error::last_os_error().into()),
(priority, _) => Ok(priority),
}
}
pub fn set_priority(pid: u32, priority: i32) -> Result<(), AnyError> {
// SAFETY: libc::setpriority is unsafe
match unsafe {
libc::setpriority(PRIO_PROCESS as priority_t, pid as id_t, priority)
} {
-1 => Err(std::io::Error::last_os_error().into()),
_ => Ok(()),
}
}
}
#[cfg(windows)]
mod priority {
use super::*;
use deno_core::error::type_error;
use winapi::shared::minwindef::DWORD;
use winapi::shared::minwindef::FALSE;
use winapi::shared::ntdef::NULL;
use winapi::um::handleapi::CloseHandle;
use winapi::um::processthreadsapi::GetCurrentProcess;
use winapi::um::processthreadsapi::GetPriorityClass;
use winapi::um::processthreadsapi::OpenProcess;
use winapi::um::processthreadsapi::SetPriorityClass;
use winapi::um::winbase::ABOVE_NORMAL_PRIORITY_CLASS;
use winapi::um::winbase::BELOW_NORMAL_PRIORITY_CLASS;
use winapi::um::winbase::HIGH_PRIORITY_CLASS;
use winapi::um::winbase::IDLE_PRIORITY_CLASS;
use winapi::um::winbase::NORMAL_PRIORITY_CLASS;
use winapi::um::winbase::REALTIME_PRIORITY_CLASS;
use winapi::um::winnt::PROCESS_QUERY_LIMITED_INFORMATION;
// Taken from: https://github.com/libuv/libuv/blob/a877ca2435134ef86315326ef4ef0c16bdbabf17/include/uv.h#L1318-L1323
const PRIORITY_LOW: i32 = 19;
const PRIORITY_BELOW_NORMAL: i32 = 10;
const PRIORITY_NORMAL: i32 = 0;
const PRIORITY_ABOVE_NORMAL: i32 = -7;
const PRIORITY_HIGHEST: i32 = -20;
// Ported from: https://github.com/libuv/libuv/blob/a877ca2435134ef86315326ef4ef0c16bdbabf17/src/win/util.c#L1649-L1685
pub fn get_priority(pid: u32) -> Result<i32, AnyError> {
unsafe {
let handle = if pid == 0 {
GetCurrentProcess()
} else {
OpenProcess(PROCESS_QUERY_LIMITED_INFORMATION, FALSE, pid as DWORD)
};
if handle == NULL {
Err(std::io::Error::last_os_error().into())
} else {
let result = match GetPriorityClass(handle) {
0 => Err(std::io::Error::last_os_error().into()),
REALTIME_PRIORITY_CLASS => Ok(PRIORITY_HIGHEST),
HIGH_PRIORITY_CLASS => Ok(PRIORITY_HIGH),
ABOVE_NORMAL_PRIORITY_CLASS => Ok(PRIORITY_ABOVE_NORMAL),
NORMAL_PRIORITY_CLASS => Ok(PRIORITY_NORMAL),
BELOW_NORMAL_PRIORITY_CLASS => Ok(PRIORITY_BELOW_NORMAL),
IDLE_PRIORITY_CLASS => Ok(PRIORITY_LOW),
_ => Ok(PRIORITY_LOW),
};
CloseHandle(handle);
result
}
}
}
// Ported from: https://github.com/libuv/libuv/blob/a877ca2435134ef86315326ef4ef0c16bdbabf17/src/win/util.c#L1688-L1719
pub fn set_priority(pid: u32, priority: i32) -> Result<(), AnyError> {
unsafe {
let handle = if pid == 0 {
GetCurrentProcess()
} else {
OpenProcess(PROCESS_QUERY_LIMITED_INFORMATION, FALSE, pid as DWORD)
};
if handle == NULL {
Err(std::io::Error::last_os_error().into())
} else {
let priority_class =
if priority < PRIORITY_HIGHEST || priority > PRIORITY_LOW {
return Err(type_error("Invalid priority"));
} else if priority < PRIORITY_HIGH {
REALTIME_PRIORITY_CLASS
} else if priority < PRIORITY_ABOVE_NORMAL {
HIGH_PRIORITY_CLASS
} else if priority < PRIORITY_NORMAL {
ABOVE_NORMAL_PRIORITY_CLASS
} else if priority < PRIORITY_BELOW_NORMAL {
NORMAL_PRIORITY_CLASS
} else if priority < PRIORITY_LOW {
BELOW_NORMAL_PRIORITY_CLASS
} else {
IDLE_PRIORITY_CLASS
};
let result = match SetPriorityClass(handle, priority_class) {
FALSE => Err(std::io::Error::last_os_error().into()),
_ => Ok(()),
};
CloseHandle(handle);
result
}
}
}
}

13
ext/node/polyfills/internal/errors.ts
View file

@ -2497,6 +2497,19 @@ export class ERR_FS_RMDIR_ENOTDIR extends NodeSystemError {
}
}
export class ERR_OS_NO_HOMEDIR extends NodeSystemError {
constructor() {
const code = isWindows ? "ENOENT" : "ENOTDIR";
const ctx: NodeSystemErrorCtx = {
message: "not a directory",
syscall: "home",
code,
errno: isWindows ? osConstants.errno.ENOENT : osConstants.errno.ENOTDIR,
};
super(code, ctx, "Path is not a directory");
}
}
interface UvExceptionContext {
syscall: string;
path?: string;

49
ext/node/polyfills/os.ts
View file

@ -23,15 +23,16 @@
// TODO(petamoriken): enable prefer-primordials for node polyfills
// deno-lint-ignore-file prefer-primordials
import { notImplemented } from "ext:deno_node/_utils.ts";
const core = globalThis.__bootstrap.core;
import { validateIntegerRange } from "ext:deno_node/_utils.ts";
import process from "node:process";
import { isWindows, osType } from "ext:deno_node/_util/os.ts";
import { ERR_OS_NO_HOMEDIR } from "ext:deno_node/internal/errors.ts";
import { os } from "ext:deno_node/internal_binding/constants.ts";
import { osUptime } from "ext:runtime/30_os.js";
export const constants = os;
import { Buffer } from "ext:deno_node/internal/buffer.mjs";
const SEE_GITHUB_ISSUE = "See https://github.com/denoland/deno_std/issues/1436";
export const constants = os;
interface CPUTimes {
/** The number of milliseconds the CPU has spent in user mode */
@ -93,8 +94,8 @@ interface UserInfo {
username: string;
uid: number;
gid: number;
shell: string;
homedir: string;
shell: string | null;
homedir: string | null;
}
export function arch(): string {
@ -161,7 +162,7 @@ export function freemem(): number {
/** Not yet implemented */
export function getPriority(pid = 0): number {
validateIntegerRange(pid, "pid");
notImplemented(SEE_GITHUB_ISSUE);
return core.ops.op_node_os_get_priority(pid);
}
/** Returns the string path of the current user's home directory. */
@ -257,7 +258,7 @@ export function setPriority(pid: number, priority?: number) {
validateIntegerRange(pid, "pid");
validateIntegerRange(priority, "priority", -20, 19);
notImplemented(SEE_GITHUB_ISSUE);
core.ops.op_node_os_set_priority(pid, priority);
}
/** Returns the operating system's default directory for temporary files as a string. */
@ -317,10 +318,40 @@ export function uptime(): number {
/** Not yet implemented */
export function userInfo(
// deno-lint-ignore no-unused-vars
options: UserInfoOptions = { encoding: "utf-8" },
): UserInfo {
notImplemented(SEE_GITHUB_ISSUE);
const uid = Deno.uid();
const gid = Deno.gid();
if (isWindows) {
uid = -1;
gid = -1;
}
// TODO(@crowlKats): figure out how to do this correctly:
// The value of homedir returned by os.userInfo() is provided by the operating system.
// This differs from the result of os.homedir(), which queries environment
// variables for the home directory before falling back to the operating system response.
let _homedir = homedir();
if (!_homedir) {
throw new ERR_OS_NO_HOMEDIR();
}
let shell = isWindows ? (Deno.env.get("SHELL") || null) : null;
let username = core.ops.op_node_os_username();
if (options?.encoding === "buffer") {
_homedir = _homedir ? Buffer.from(_homedir) : _homedir;
shell = shell ? Buffer.from(shell) : shell;
username = Buffer.from(username);
}
return {
uid,
gid,
homedir: _homedir,
shell,
username,
};
}
export const EOL = isWindows ? "\r\n" : "\n";

7
runtime/build.rs
View file

@ -139,6 +139,13 @@ mod startup_snapshot {
fn check_read(&self, _p: &Path) -> Result<(), deno_core::error::AnyError> {
unreachable!("snapshotting!")
}
fn check_sys(
&self,
_kind: &str,
_api_name: &str,
) -> Result<(), deno_core::error::AnyError> {
unreachable!("snapshotting!")
}
}
impl deno_net::NetPermissions for Permissions {

4
runtime/permissions/mod.rs
View file

@ -1886,6 +1886,10 @@ impl deno_node::NodePermissions for PermissionsContainer {
fn check_read(&self, path: &Path) -> Result<(), AnyError> {
self.0.lock().read.check(path, None)
}
fn check_sys(&self, kind: &str, api_name: &str) -> Result<(), AnyError> {
self.0.lock().sys.check(kind, Some(api_name))
}
}
impl deno_net::NetPermissions for PermissionsContainer {