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Code Issues Packages 1 Wiki Activity

feat: Deno.chown() make uid, gid args optional (#4612)

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dubiousjim 2020-07-06 07:15:13 -04:00 committed by GitHub
parent 79610378d3
commit 6b78729ba8
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4 changed files with 175 additions and 181 deletions
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18
cli/js/lib.deno.ns.d.ts vendored
View file

@ -1080,10 +1080,14 @@ declare namespace Deno {
* Throws Error (not implemented) if executed on Windows
*
* @param path path to the file
* @param uid user id (UID) of the new owner
* @param gid group id (GID) of the new owner
* @param uid user id (UID) of the new owner, or `null` for no change
* @param gid group id (GID) of the new owner, or `null` for no change
*/
export function chownSync(path: string | URL, uid: number, gid: number): void;
export function chownSync(
path: string | URL,
uid: number | null,
gid: number | null
): void;
/** Change owner of a regular file or directory. This functionality
* is not available on Windows.
@ -1097,13 +1101,13 @@ declare namespace Deno {
* Throws Error (not implemented) if executed on Windows
*
* @param path path to the file
* @param uid user id (UID) of the new owner
* @param gid group id (GID) of the new owner
* @param uid user id (UID) of the new owner, or `null` for no change
* @param gid group id (GID) of the new owner, or `null` for no change
*/
export function chown(
path: string | URL,
uid: number,
gid: number
uid: number | null,
gid: number | null
): Promise<void>;
export interface RemoveOptions {

10
cli/js/ops/fs/chown.ts
View file

@ -2,15 +2,19 @@
import { sendSync, sendAsync } from "../dispatch_json.ts";
import { pathFromURL } from "../../util.ts";
export function chownSync(path: string | URL, uid: number, gid: number): void {
export function chownSync(
path: string | URL,
uid: number | null,
gid: number | null
): void {
path = pathFromURL(path);
sendSync("op_chown", { path, uid, gid });
}
export async function chown(
path: string | URL,
uid: number,
gid: number
uid: number | null,
gid: number | null
): Promise<void> {
path = pathFromURL(path);
await sendAsync("op_chown", { path, uid, gid });

14
cli/ops/fs.rs
View file

@ -475,8 +475,8 @@ fn op_chmod(
struct ChownArgs {
promise_id: Option<u64>,
path: String,
uid: u32,
gid: u32,
uid: Option<u32>,
gid: Option<u32>,
}
fn op_chown(
@ -491,20 +491,18 @@ fn op_chown(
let is_sync = args.promise_id.is_none();
blocking_json(is_sync, move || {
debug!("op_chown {} {} {}", path.display(), args.uid, args.gid);
debug!("op_chown {} {:?} {:?}", path.display(), args.uid, args.gid,);
#[cfg(unix)]
{
use nix::unistd::{chown, Gid, Uid};
let nix_uid = Uid::from_raw(args.uid);
let nix_gid = Gid::from_raw(args.gid);
chown(&path, Option::Some(nix_uid), Option::Some(nix_gid))?;
let nix_uid = args.uid.map(Uid::from_raw);
let nix_gid = args.gid.map(Gid::from_raw);
chown(&path, nix_uid, nix_gid)?;
Ok(json!({}))
}
// TODO Implement chown for Windows
#[cfg(not(unix))]
{
// Still check file/dir exists on Windows
let _metadata = std::fs::metadata(&path)?;
Err(OpError::not_implemented())
}
})

314
cli/tests/unit/chown_test.ts
View file

@ -2,186 +2,174 @@
import { unitTest, assertEquals, assert } from "./test_util.ts";
// chown on Windows is noop for now, so ignore its testing on Windows
if (Deno.build.os !== "windows") {
async function getUidAndGid(): Promise<{ uid: number; gid: number }> {
// get the user ID and group ID of the current process
const uidProc = Deno.run({
stdout: "piped",
cmd: ["python", "-c", "import os; print(os.getuid())"],
});
const gidProc = Deno.run({
stdout: "piped",
cmd: ["python", "-c", "import os; print(os.getgid())"],
});
assertEquals((await uidProc.status()).code, 0);
assertEquals((await gidProc.status()).code, 0);
const uid = parseInt(
new TextDecoder("utf-8").decode(await uidProc.output())
);
uidProc.close();
const gid = parseInt(
new TextDecoder("utf-8").decode(await gidProc.output())
);
gidProc.close();
async function getUidAndGid(): Promise<{ uid: number; gid: number }> {
// get the user ID and group ID of the current process
const uidProc = Deno.run({
stdout: "piped",
cmd: ["python", "-c", "import os; print(os.getuid())"],
});
const gidProc = Deno.run({
stdout: "piped",
cmd: ["python", "-c", "import os; print(os.getgid())"],
});
return { uid, gid };
}
assertEquals((await uidProc.status()).code, 0);
assertEquals((await gidProc.status()).code, 0);
const uid = parseInt(new TextDecoder("utf-8").decode(await uidProc.output()));
uidProc.close();
const gid = parseInt(new TextDecoder("utf-8").decode(await gidProc.output()));
gidProc.close();
unitTest(async function chownNoWritePermission(): Promise<void> {
return { uid, gid };
}
unitTest(
{ ignore: Deno.build.os == "windows" },
async function chownNoWritePermission(): Promise<void> {
const filePath = "chown_test_file.txt";
try {
await Deno.chown(filePath, 1000, 1000);
} catch (e) {
assert(e instanceof Deno.errors.PermissionDenied);
}
});
}
);
unitTest(
{ perms: { run: true, write: true } },
async function chownSyncFileNotExist(): Promise<void> {
const { uid, gid } = await getUidAndGid();
const filePath = Deno.makeTempDirSync() + "/chown_test_file.txt";
unitTest(
{ perms: { run: true, write: true }, ignore: Deno.build.os == "windows" },
async function chownSyncFileNotExist(): Promise<void> {
const { uid, gid } = await getUidAndGid();
const filePath = Deno.makeTempDirSync() + "/chown_test_file.txt";
try {
Deno.chownSync(filePath, uid, gid);
} catch (e) {
assert(e instanceof Deno.errors.NotFound);
}
}
);
unitTest(
{ perms: { run: true, write: true } },
async function chownFileNotExist(): Promise<void> {
const { uid, gid } = await getUidAndGid();
const filePath = (await Deno.makeTempDir()) + "/chown_test_file.txt";
try {
await Deno.chown(filePath, uid, gid);
} catch (e) {
assert(e instanceof Deno.errors.NotFound);
}
}
);
unitTest(
{ perms: { write: true } },
function chownSyncPermissionDenied(): void {
const enc = new TextEncoder();
const dirPath = Deno.makeTempDirSync();
const filePath = dirPath + "/chown_test_file.txt";
const fileData = enc.encode("Hello");
Deno.writeFileSync(filePath, fileData);
try {
// try changing the file's owner to root
Deno.chownSync(filePath, 0, 0);
} catch (e) {
assert(e instanceof Deno.errors.PermissionDenied);
}
Deno.removeSync(dirPath, { recursive: true });
}
);
unitTest(
{ perms: { write: true } },
async function chownPermissionDenied(): Promise<void> {
const enc = new TextEncoder();
const dirPath = await Deno.makeTempDir();
const filePath = dirPath + "/chown_test_file.txt";
const fileData = enc.encode("Hello");
await Deno.writeFile(filePath, fileData);
try {
// try changing the file's owner to root
await Deno.chown(filePath, 0, 0);
} catch (e) {
assert(e instanceof Deno.errors.PermissionDenied);
}
await Deno.remove(dirPath, { recursive: true });
}
);
unitTest(
{ perms: { run: true, write: true } },
async function chownSyncSucceed(): Promise<void> {
// TODO: when a file's owner is actually being changed,
// chown only succeeds if run under priviledged user (root)
// The test script has no such privilege, so need to find a better way to test this case
const { uid, gid } = await getUidAndGid();
const enc = new TextEncoder();
const dirPath = Deno.makeTempDirSync();
const filePath = dirPath + "/chown_test_file.txt";
const fileData = enc.encode("Hello");
Deno.writeFileSync(filePath, fileData);
// the test script creates this file with the same uid and gid,
// here chown is a noop so it succeeds under non-priviledged user
try {
Deno.chownSync(filePath, uid, gid);
Deno.removeSync(dirPath, { recursive: true });
} catch (e) {
assert(e instanceof Deno.errors.NotFound);
}
);
}
);
unitTest(
{ perms: { run: true, write: true } },
async function chownSyncWithUrl(): Promise<void> {
// TODO: same as chownSyncSucceed
const { uid, gid } = await getUidAndGid();
unitTest(
{ perms: { run: true, write: true }, ignore: Deno.build.os == "windows" },
async function chownFileNotExist(): Promise<void> {
const { uid, gid } = await getUidAndGid();
const filePath = (await Deno.makeTempDir()) + "/chown_test_file.txt";
const enc = new TextEncoder();
const dirPath = Deno.makeTempDirSync();
const fileUrl = new URL(`file://${dirPath}/chown_test_file.txt`);
const fileData = enc.encode("Hello");
Deno.writeFileSync(fileUrl, fileData);
// the test script creates this file with the same uid and gid,
// here chown is a noop so it succeeds under non-priviledged user
Deno.chownSync(fileUrl, uid, gid);
Deno.removeSync(dirPath, { recursive: true });
}
);
unitTest(
{ perms: { run: true, write: true } },
async function chownSucceed(): Promise<void> {
// TODO: same as chownSyncSucceed
const { uid, gid } = await getUidAndGid();
const enc = new TextEncoder();
const dirPath = await Deno.makeTempDir();
const filePath = dirPath + "/chown_test_file.txt";
const fileData = enc.encode("Hello");
await Deno.writeFile(filePath, fileData);
// the test script creates this file with the same uid and gid,
// here chown is a noop so it succeeds under non-priviledged user
try {
await Deno.chown(filePath, uid, gid);
Deno.removeSync(dirPath, { recursive: true });
} catch (e) {
assert(e instanceof Deno.errors.NotFound);
}
);
}
);
unitTest(
{ perms: { run: true, write: true } },
async function chownWithUrl(): Promise<void> {
// TODO: same as chownSyncSucceed
const { uid, gid } = await getUidAndGid();
unitTest(
{ perms: { write: true }, ignore: Deno.build.os == "windows" },
function chownSyncPermissionDenied(): void {
const dirPath = Deno.makeTempDirSync();
const filePath = dirPath + "/chown_test_file.txt";
Deno.writeTextFileSync(filePath, "Hello");
const enc = new TextEncoder();
const dirPath = await Deno.makeTempDir();
const fileUrl = new URL(`file://${dirPath}/chown_test_file.txt`);
const fileData = enc.encode("Hello");
await Deno.writeFile(fileUrl, fileData);
// the test script creates this file with the same uid and gid,
// here chown is a noop so it succeeds under non-priviledged user
await Deno.chown(fileUrl, uid, gid);
Deno.removeSync(dirPath, { recursive: true });
try {
// try changing the file's owner to root
Deno.chownSync(filePath, 0, 0);
} catch (e) {
assert(e instanceof Deno.errors.PermissionDenied);
}
);
}
Deno.removeSync(dirPath, { recursive: true });
}
);
unitTest(
{ perms: { write: true }, ignore: Deno.build.os == "windows" },
async function chownPermissionDenied(): Promise<void> {
const dirPath = await Deno.makeTempDir();
const filePath = dirPath + "/chown_test_file.txt";
await Deno.writeTextFile(filePath, "Hello");
try {
// try changing the file's owner to root
await Deno.chown(filePath, 0, 0);
} catch (e) {
assert(e instanceof Deno.errors.PermissionDenied);
}
await Deno.remove(dirPath, { recursive: true });
}
);
unitTest(
{ perms: { run: true, write: true }, ignore: Deno.build.os == "windows" },
async function chownSyncSucceed(): Promise<void> {
// TODO: when a file's owner is actually being changed,
// chown only succeeds if run under priviledged user (root)
// The test script has no such privilege, so need to find a better way to test this case
const { uid, gid } = await getUidAndGid();
const dirPath = Deno.makeTempDirSync();
const filePath = dirPath + "/chown_test_file.txt";
Deno.writeTextFileSync(filePath, "Hello");
// the test script creates this file with the same uid and gid,
// here chown is a noop so it succeeds under non-priviledged user
Deno.chownSync(filePath, uid, gid);
Deno.removeSync(dirPath, { recursive: true });
}
);
unitTest(
{ perms: { run: true, write: true }, ignore: Deno.build.os == "windows" },
async function chownSyncWithUrl(): Promise<void> {
const { uid, gid } = await getUidAndGid();
const dirPath = Deno.makeTempDirSync();
const fileUrl = new URL(`file://${dirPath}/chown_test_file.txt`);
Deno.writeTextFileSync(fileUrl, "Hello");
Deno.chownSync(fileUrl, uid, gid);
Deno.removeSync(dirPath, { recursive: true });
}
);
unitTest(
{ perms: { run: true, write: true }, ignore: Deno.build.os == "windows" },
async function chownSucceed(): Promise<void> {
const { uid, gid } = await getUidAndGid();
const dirPath = await Deno.makeTempDir();
const filePath = dirPath + "/chown_test_file.txt";
await Deno.writeTextFile(filePath, "Hello");
await Deno.chown(filePath, uid, gid);
Deno.removeSync(dirPath, { recursive: true });
}
);
unitTest(
{ perms: { run: true, write: true }, ignore: Deno.build.os == "windows" },
async function chownUidOnly(): Promise<void> {
const { uid } = await getUidAndGid();
const dirPath = await Deno.makeTempDir();
const filePath = dirPath + "/chown_test_file.txt";
await Deno.writeTextFile(filePath, "Foo");
await Deno.chown(filePath, uid, null);
Deno.removeSync(dirPath, { recursive: true });
}
);
unitTest(
{ perms: { run: true, write: true }, ignore: Deno.build.os == "windows" },
async function chownWithUrl(): Promise<void> {
// TODO: same as chownSyncSucceed
const { uid, gid } = await getUidAndGid();
const enc = new TextEncoder();
const dirPath = await Deno.makeTempDir();
const fileUrl = new URL(`file://${dirPath}/chown_test_file.txt`);
const fileData = enc.encode("Hello");
await Deno.writeFile(fileUrl, fileData);
// the test script creates this file with the same uid and gid,
// here chown is a noop so it succeeds under non-priviledged user
await Deno.chown(fileUrl, uid, gid);
Deno.removeSync(dirPath, { recursive: true });
}
);