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feat: first pass at native plugins (#3372)

This commit is contained in:
Andy Finch 2019-12-05 15:30:20 -05:00 committed by Ry Dahl
parent 214b3eb29a
commit 7c3b9b4f4f
26 changed files with 574 additions and 7 deletions

68
Cargo.lock generated
View file

@ -293,6 +293,7 @@ dependencies = [
"deno 0.25.0",
"deno_typescript 0.25.0",
"dirs 2.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
"dlopen 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
"futures 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
"fwdansi 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
"http 0.1.19 (registry+https://github.com/rust-lang/crates.io-index)",
@ -357,6 +358,27 @@ dependencies = [
"winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "dlopen"
version = "0.1.8"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"dlopen_derive 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
"lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
"libc 0.2.65 (registry+https://github.com/rust-lang/crates.io-index)",
"winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "dlopen_derive"
version = "0.1.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"libc 0.2.65 (registry+https://github.com/rust-lang/crates.io-index)",
"quote 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)",
"syn 0.15.44 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "downcast-rs"
version = "1.1.1"
@ -969,6 +991,14 @@ name = "proc-macro-nested"
version = "0.1.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "proc-macro2"
version = "0.4.30"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "proc-macro2"
version = "1.0.6"
@ -989,6 +1019,14 @@ dependencies = [
"url 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "quote"
version = "0.6.13"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"proc-macro2 0.4.30 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "quote"
version = "1.0.2"
@ -1436,6 +1474,16 @@ name = "strsim"
version = "0.8.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "syn"
version = "0.15.44"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"proc-macro2 0.4.30 (registry+https://github.com/rust-lang/crates.io-index)",
"quote 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)",
"unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "syn"
version = "1.0.7"
@ -1487,6 +1535,15 @@ dependencies = [
"wincolor 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "test_plugin"
version = "0.0.1"
dependencies = [
"deno 0.25.0",
"deno_cli 0.25.0",
"futures 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "textwrap"
version = "0.11.0"
@ -1786,6 +1843,11 @@ name = "unicode-width"
version = "0.1.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "unicode-xid"
version = "0.1.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "unicode-xid"
version = "0.2.0"
@ -2075,6 +2137,8 @@ dependencies = [
"checksum ct-logs 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "4d3686f5fa27dbc1d76c751300376e167c5a43387f44bb451fd1c24776e49113"
"checksum dirs 2.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "13aea89a5c93364a98e9b37b2fa237effbb694d5cfe01c5b70941f7eb087d5e3"
"checksum dirs-sys 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)" = "afa0b23de8fd801745c471deffa6e12d248f962c9fd4b4c33787b055599bde7b"
"checksum dlopen 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)" = "71e80ad39f814a9abe68583cd50a2d45c8a67561c3361ab8da240587dda80937"
"checksum dlopen_derive 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "f236d9e1b1fbd81cea0f9cbdc8dcc7e8ebcd80e6659cd7cb2ad5f6c05946c581"
"checksum downcast-rs 1.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "52ba6eb47c2131e784a38b726eb54c1e1484904f013e576a25354d0124161af6"
"checksum dtoa 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)" = "ea57b42383d091c85abcc2706240b94ab2a8fa1fc81c10ff23c4de06e2a90b5e"
"checksum either 1.5.3 (registry+https://github.com/rust-lang/crates.io-index)" = "bb1f6b1ce1c140482ea30ddd3335fc0024ac7ee112895426e0a629a6c20adfe3"
@ -2144,8 +2208,10 @@ dependencies = [
"checksum ppv-lite86 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)" = "74490b50b9fbe561ac330df47c08f3f33073d2d00c150f719147d7c54522fa1b"
"checksum proc-macro-hack 0.5.11 (registry+https://github.com/rust-lang/crates.io-index)" = "ecd45702f76d6d3c75a80564378ae228a85f0b59d2f3ed43c91b4a69eb2ebfc5"
"checksum proc-macro-nested 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "369a6ed065f249a159e06c45752c780bda2fb53c995718f9e484d08daa9eb42e"
"checksum proc-macro2 0.4.30 (registry+https://github.com/rust-lang/crates.io-index)" = "cf3d2011ab5c909338f7887f4fc896d35932e29146c12c8d01da6b22a80ba759"
"checksum proc-macro2 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)" = "9c9e470a8dc4aeae2dee2f335e8f533e2d4b347e1434e5671afc49b054592f27"
"checksum publicsuffix 1.5.3 (registry+https://github.com/rust-lang/crates.io-index)" = "9bf259a81de2b2eb9850ec990ec78e6a25319715584fd7652b9b26f96fcb1510"
"checksum quote 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)" = "6ce23b6b870e8f94f81fb0a363d65d86675884b34a09043c81e5562f11c1f8e1"
"checksum quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "053a8c8bcc71fcce321828dc897a98ab9760bef03a4fc36693c231e5b3216cfe"
"checksum rand 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)" = "552840b97013b1a26992c11eac34bdd778e464601a4c2054b5f0bff7c6761293"
"checksum rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)" = "6d71dacdc3c88c1fde3885a3be3fbab9f35724e6ce99467f7d9c5026132184ca"
@ -2194,6 +2260,7 @@ dependencies = [
"checksum spin 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)" = "6e63cff320ae2c57904679ba7cb63280a3dc4613885beafb148ee7bf9aa9042d"
"checksum string 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "d24114bfcceb867ca7f71a0d3fe45d45619ec47a6fbfa98cb14e14250bfa5d6d"
"checksum strsim 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)" = "8ea5119cdb4c55b55d432abb513a0429384878c15dde60cc77b1c99de1a95a6a"
"checksum syn 0.15.44 (registry+https://github.com/rust-lang/crates.io-index)" = "9ca4b3b69a77cbe1ffc9e198781b7acb0c7365a883670e8f1c1bc66fba79a5c5"
"checksum syn 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)" = "0e7bedb3320d0f3035594b0b723c8a28d7d336a3eda3881db79e61d676fb644c"
"checksum synstructure 0.12.2 (registry+https://github.com/rust-lang/crates.io-index)" = "575be94ccb86e8da37efb894a87e2b660be299b41d8ef347f9d6d79fbe61b1ba"
"checksum sys-info 0.5.8 (registry+https://github.com/rust-lang/crates.io-index)" = "0079fe39cec2c8215e21b0bc4ccec9031004c160b88358f531b601e96b77f0df"
@ -2226,6 +2293,7 @@ dependencies = [
"checksum unicode-normalization 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)" = "09c8070a9942f5e7cfccd93f490fdebd230ee3c3c9f107cb25bad5351ef671cf"
"checksum unicode-segmentation 1.5.0 (registry+https://github.com/rust-lang/crates.io-index)" = "49f5526225fd8b77342d5986ab5f6055552e9c0776193b5b63fd53b46debfad7"
"checksum unicode-width 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)" = "7007dbd421b92cc6e28410fe7362e2e0a2503394908f417b68ec8d1c364c4e20"
"checksum unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "fc72304796d0818e357ead4e000d19c9c174ab23dc11093ac919054d20a6a7fc"
"checksum unicode-xid 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "826e7639553986605ec5979c7dd957c7895e93eabed50ab2ffa7f6128a75097c"
"checksum untrusted 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "60369ef7a31de49bcb3f6ca728d4ba7300d9a1658f94c727d4cab8c8d9f4aece"
"checksum url 1.7.2 (registry+https://github.com/rust-lang/crates.io-index)" = "dd4e7c0d531266369519a4aa4f399d748bd37043b00bde1e4ff1f60a120b355a"

View file

@ -4,4 +4,5 @@ members = [
"core",
"tools/hyper_hello",
"deno_typescript",
"test_plugin"
]

View file

@ -31,6 +31,7 @@ base64 = "0.11.0"
byteorder = "1.3.2"
clap = "2.33.0"
dirs = "2.0.2"
dlopen = "0.1.8"
futures = { version = "0.3", features = [ "compat", "io-compat" ] }
http = "0.1.19"
hyper = "0.12.35"

View file

@ -6,6 +6,7 @@ pub use crate::msg::ErrorKind;
use deno::AnyError;
use deno::ErrBox;
use deno::ModuleResolutionError;
use dlopen::Error as DlopenError;
use http::uri;
use hyper;
use reqwest;
@ -292,6 +293,19 @@ mod unix {
}
}
impl GetErrorKind for DlopenError {
fn kind(&self) -> ErrorKind {
use dlopen::Error::*;
match self {
NullCharacter(_) => ErrorKind::Other,
OpeningLibraryError(e) => GetErrorKind::kind(e),
SymbolGettingError(e) => GetErrorKind::kind(e),
NullSymbol => ErrorKind::Other,
AddrNotMatchingDll(e) => GetErrorKind::kind(e),
}
}
}
impl GetErrorKind for dyn AnyError {
fn kind(&self) -> ErrorKind {
use self::GetErrorKind as Get;
@ -325,6 +339,7 @@ impl GetErrorKind for dyn AnyError {
.downcast_ref::<serde_json::error::Error>()
.map(Get::kind)
})
.or_else(|| self.downcast_ref::<DlopenError>().map(Get::kind))
.or_else(|| unix_error_kind(self))
.unwrap_or_else(|| {
panic!("Can't get ErrorKind for {:?}", self);

View file

@ -82,6 +82,7 @@ pub struct DenoFlags {
pub net_whitelist: Vec<String>,
pub allow_env: bool,
pub allow_run: bool,
pub allow_plugin: bool,
pub allow_hrtime: bool,
pub no_prompts: bool,
pub no_remote: bool,
@ -346,6 +347,7 @@ fn xeval_parse(flags: &mut DenoFlags, matches: &clap::ArgMatches) {
flags.allow_run = true;
flags.allow_read = true;
flags.allow_write = true;
flags.allow_plugin = true;
flags.allow_hrtime = true;
flags.argv.push(XEVAL_URL.to_string());
@ -373,6 +375,7 @@ fn repl_parse(flags: &mut DenoFlags, matches: &clap::ArgMatches) {
flags.allow_run = true;
flags.allow_read = true;
flags.allow_write = true;
flags.allow_plugin = true;
flags.allow_hrtime = true;
}
@ -383,6 +386,7 @@ fn eval_parse(flags: &mut DenoFlags, matches: &clap::ArgMatches) {
flags.allow_run = true;
flags.allow_read = true;
flags.allow_write = true;
flags.allow_plugin = true;
flags.allow_hrtime = true;
let code: &str = matches.value_of("code").unwrap();
flags.argv.extend(vec![code.to_string()]);
@ -465,6 +469,9 @@ fn run_test_args_parse(flags: &mut DenoFlags, matches: &clap::ArgMatches) {
if matches.is_present("allow-run") {
flags.allow_run = true;
}
if matches.is_present("allow-plugin") {
flags.allow_plugin = true;
}
if matches.is_present("allow-hrtime") {
flags.allow_hrtime = true;
}
@ -475,6 +482,7 @@ fn run_test_args_parse(flags: &mut DenoFlags, matches: &clap::ArgMatches) {
flags.allow_run = true;
flags.allow_read = true;
flags.allow_write = true;
flags.allow_plugin = true;
flags.allow_hrtime = true;
}
if matches.is_present("cached-only") {
@ -942,6 +950,11 @@ fn run_test_args<'a, 'b>(app: App<'a, 'b>) -> App<'a, 'b> {
.long("allow-run")
.help("Allow running subprocesses"),
)
.arg(
Arg::with_name("allow-plugin")
.long("allow-plugin")
.help("Allow loading plugins"),
)
.arg(
Arg::with_name("allow-hrtime")
.long("allow-hrtime")
@ -1408,6 +1421,7 @@ mod tests {
allow_run: true,
allow_read: true,
allow_write: true,
allow_plugin: true,
allow_hrtime: true,
..DenoFlags::default()
}
@ -1581,6 +1595,7 @@ mod tests {
allow_run: true,
allow_read: true,
allow_write: true,
allow_plugin: true,
allow_hrtime: true,
..DenoFlags::default()
}
@ -1600,6 +1615,7 @@ mod tests {
allow_run: true,
allow_read: true,
allow_write: true,
allow_plugin: true,
allow_hrtime: true,
..DenoFlags::default()
}
@ -1635,6 +1651,7 @@ mod tests {
allow_run: true,
allow_read: true,
allow_write: true,
allow_plugin: true,
allow_hrtime: true,
..DenoFlags::default()
}

View file

@ -76,6 +76,7 @@ export {
} from "./permissions.ts";
export { truncateSync, truncate } from "./truncate.ts";
export { FileInfo } from "./file_info.ts";
export { openPlugin } from "./plugins.ts";
export { connect, dial, listen, Listener, Conn } from "./net.ts";
export { dialTLS, listenTLS } from "./tls.ts";
export { metrics, Metrics } from "./metrics.ts";

View file

@ -1,6 +1,7 @@
// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
import * as minimal from "./dispatch_minimal.ts";
import * as json from "./dispatch_json.ts";
import { AsyncHandler } from "./plugins.ts";
// These consts are shared with Rust. Update with care.
export let OP_READ: number;
@ -67,6 +68,16 @@ export let OP_CWD: number;
export let OP_FETCH_ASSET: number;
export let OP_DIAL_TLS: number;
export let OP_HOSTNAME: number;
export let OP_OPEN_PLUGIN: number;
const PLUGIN_ASYNC_HANDLER_MAP: Map<number, AsyncHandler> = new Map();
export function setPluginAsyncHandler(
opId: number,
handler: AsyncHandler
): void {
PLUGIN_ASYNC_HANDLER_MAP.set(opId, handler);
}
export function asyncMsgFromRust(opId: number, ui8: Uint8Array): void {
switch (opId) {
@ -111,6 +122,11 @@ export function asyncMsgFromRust(opId: number, ui8: Uint8Array): void {
json.asyncMsgFromRust(opId, ui8);
break;
default:
throw Error("bad async opId");
const handler = PLUGIN_ASYNC_HANDLER_MAP.get(opId);
if (handler) {
handler(ui8);
} else {
throw Error("bad async opId");
}
}
}

View file

@ -907,6 +907,7 @@ declare namespace Deno {
| "write"
| "net"
| "env"
| "plugin"
| "hrtime";
/** https://w3c.github.io/permissions/#status-of-a-permission */
export type PermissionState = "granted" | "denied" | "prompt";
@ -924,6 +925,9 @@ declare namespace Deno {
interface EnvPermissionDescriptor {
name: "env";
}
interface PluginPermissionDescriptor {
name: "plugin";
}
interface HrtimePermissionDescriptor {
name: "hrtime";
}
@ -933,6 +937,7 @@ declare namespace Deno {
| ReadWritePermissionDescriptor
| NetPermissionDescriptor
| EnvPermissionDescriptor
| PluginPermissionDescriptor
| HrtimePermissionDescriptor;
export class Permissions {
@ -982,6 +987,36 @@ declare namespace Deno {
*/
export function truncate(name: string, len?: number): Promise<void>;
// @url js/plugins.d.ts
export interface AsyncHandler {
(msg: Uint8Array): void;
}
export interface PluginOp {
dispatch(
control: Uint8Array,
zeroCopy?: ArrayBufferView | null
): Uint8Array | null;
setAsyncHandler(handler: AsyncHandler): void;
}
export interface Plugin {
ops: {
[name: string]: PluginOp;
};
}
/** Open and initalize a plugin.
* Requires the `--allow-plugin` flag.
*
* const plugin = Deno.openPlugin("./path/to/some/plugin.so");
* const some_op = plugin.ops.some_op;
* const response = some_op.dispatch(new Uint8Array([1,2,3,4]));
* console.log(`Response from plugin ${response}`);
*/
export function openPlugin(filename: string): Plugin;
// @url js/net.d.ts
type Transport = "tcp";

View file

@ -11,6 +11,7 @@ export type PermissionName =
| "net"
| "env"
| "run"
| "plugin"
| "hrtime";
// NOTE: Keep in sync with cli/permissions.rs
@ -31,6 +32,9 @@ interface NetPermissionDescriptor {
interface EnvPermissionDescriptor {
name: "env";
}
interface PluginPermissionDescriptor {
name: "plugin";
}
interface HrtimePermissionDescriptor {
name: "hrtime";
}
@ -40,6 +44,7 @@ type PermissionDescriptor =
| ReadWritePermissionDescriptor
| NetPermissionDescriptor
| EnvPermissionDescriptor
| PluginPermissionDescriptor
| HrtimePermissionDescriptor;
/** https://w3c.github.io/permissions/#permissionstatus */

View file

@ -7,11 +7,12 @@ const knownPermissions: Deno.PermissionName[] = [
"write",
"net",
"env",
"plugin",
"hrtime"
];
for (const grant of knownPermissions) {
testPerm({ [grant]: true }, async function envGranted(): Promise<void> {
function genFunc(grant: Deno.PermissionName): () => Promise<void> {
const gen: () => Promise<void> = async function Granted(): Promise<void> {
const status0 = await Deno.permissions.query({ name: grant });
assert(status0 != null);
assertEquals(status0.state, "granted");
@ -19,7 +20,14 @@ for (const grant of knownPermissions) {
const status1 = await Deno.permissions.revoke({ name: grant });
assert(status1 != null);
assertEquals(status1.state, "prompt");
});
};
// Properly name these generated functions.
Object.defineProperty(gen, "name", { value: grant + "Granted" });
return gen;
}
for (const grant of knownPermissions) {
testPerm({ [grant]: true }, genFunc(grant));
}
test(async function permissionInvalidName(): Promise<void> {

66
cli/js/plugins.ts Normal file
View file

@ -0,0 +1,66 @@
import { sendSync } from "./dispatch_json.ts";
import { OP_OPEN_PLUGIN, setPluginAsyncHandler } from "./dispatch.ts";
import { core } from "./core.ts";
export interface AsyncHandler {
(msg: Uint8Array): void;
}
interface PluginOp {
dispatch(
control: Uint8Array,
zeroCopy?: ArrayBufferView | null
): Uint8Array | null;
setAsyncHandler(handler: AsyncHandler): void;
}
class PluginOpImpl implements PluginOp {
constructor(private readonly opId: number) {}
dispatch(
control: Uint8Array,
zeroCopy?: ArrayBufferView | null
): Uint8Array | null {
return core.dispatch(this.opId, control, zeroCopy);
}
setAsyncHandler(handler: AsyncHandler): void {
setPluginAsyncHandler(this.opId, handler);
}
}
// TODO(afinch7): add close method.
interface Plugin {
ops: {
[name: string]: PluginOp;
};
}
class PluginImpl implements Plugin {
private _ops: { [name: string]: PluginOp } = {};
constructor(private readonly rid: number, ops: { [name: string]: number }) {
for (const op in ops) {
this._ops[op] = new PluginOpImpl(ops[op]);
}
}
get ops(): { [name: string]: PluginOp } {
return Object.assign({}, this._ops);
}
}
interface OpenPluginResponse {
rid: number;
ops: {
[name: string]: number;
};
}
export function openPlugin(filename: string): Plugin {
const response: OpenPluginResponse = sendSync(OP_OPEN_PLUGIN, {
filename
});
return new PluginImpl(response.rid, response.ops);
}

View file

@ -26,6 +26,7 @@ interface TestPermissions {
net?: boolean;
env?: boolean;
run?: boolean;
plugin?: boolean;
hrtime?: boolean;
}
@ -35,6 +36,7 @@ export interface Permissions {
net: boolean;
env: boolean;
run: boolean;
plugin: boolean;
hrtime: boolean;
}
@ -48,6 +50,7 @@ async function getProcessPermissions(): Promise<Permissions> {
write: await isGranted("write"),
net: await isGranted("net"),
env: await isGranted("env"),
plugin: await isGranted("plugin"),
hrtime: await isGranted("hrtime")
};
}
@ -75,8 +78,9 @@ function permToString(perms: Permissions): string {
const n = perms.net ? 1 : 0;
const e = perms.env ? 1 : 0;
const u = perms.run ? 1 : 0;
const p = perms.plugin ? 1 : 0;
const h = perms.hrtime ? 1 : 0;
return `permR${r}W${w}N${n}E${e}U${u}H${h}`;
return `permR${r}W${w}N${n}E${e}U${u}P${p}H${h}`;
}
function registerPermCombination(perms: Permissions): void {
@ -93,6 +97,7 @@ function normalizeTestPermissions(perms: TestPermissions): Permissions {
net: !!perms.net,
run: !!perms.run,
env: !!perms.env,
plugin: !!perms.plugin,
hrtime: !!perms.hrtime
};
}
@ -120,6 +125,7 @@ export function test(fn: testing.TestFunction): void {
net: false,
env: false,
run: false,
plugin: false,
hrtime: false
},
fn
@ -176,6 +182,7 @@ test(function permissionsMatches(): void {
net: false,
env: false,
run: false,
plugin: false,
hrtime: false
},
normalizeTestPermissions({ read: true })
@ -190,6 +197,7 @@ test(function permissionsMatches(): void {
net: false,
env: false,
run: false,
plugin: false,
hrtime: false
},
normalizeTestPermissions({})
@ -204,6 +212,7 @@ test(function permissionsMatches(): void {
net: true,
env: true,
run: true,
plugin: true,
hrtime: true
},
normalizeTestPermissions({ read: true })
@ -219,6 +228,7 @@ test(function permissionsMatches(): void {
net: true,
env: false,
run: false,
plugin: false,
hrtime: false
},
normalizeTestPermissions({ read: true })
@ -234,6 +244,7 @@ test(function permissionsMatches(): void {
net: true,
env: true,
run: true,
plugin: true,
hrtime: true
},
{
@ -242,6 +253,7 @@ test(function permissionsMatches(): void {
net: true,
env: true,
run: true,
plugin: true,
hrtime: true
}
)

View file

@ -16,6 +16,7 @@ pub mod io;
pub mod net;
pub mod os;
pub mod permissions;
pub mod plugins;
pub mod process;
pub mod random;
pub mod repl;

View file

@ -55,6 +55,7 @@ pub fn op_revoke_permission(
"write" => permissions.allow_write.revoke(),
"net" => permissions.allow_net.revoke(),
"env" => permissions.allow_env.revoke(),
"plugin" => permissions.allow_plugin.revoke(),
"hrtime" => permissions.allow_hrtime.revoke(),
_ => {}
};
@ -83,6 +84,7 @@ pub fn op_request_permission(
}
"net" => permissions.request_net(&args.url.as_ref().map(String::as_str)),
"env" => Ok(permissions.request_env()),
"plugin" => Ok(permissions.request_plugin()),
"hrtime" => Ok(permissions.request_hrtime()),
n => Err(type_error(format!("No such permission name: {}", n))),
}?;

96
cli/ops/plugins.rs Normal file
View file

@ -0,0 +1,96 @@
use super::dispatch_json::{Deserialize, JsonOp, Value};
use crate::fs as deno_fs;
use crate::ops::json_op;
use crate::state::ThreadSafeState;
use deno::*;
use dlopen::symbor::Library;
use std::collections::HashMap;
use std::ffi::OsStr;
use std::sync::Arc;
pub fn init(i: &mut Isolate, s: &ThreadSafeState, r: Arc<deno::OpRegistry>) {
let r_ = r.clone();
i.register_op(
"open_plugin",
s.core_op(json_op(s.stateful_op(move |state, args, zero_copy| {
op_open_plugin(&r_, state, args, zero_copy)
}))),
);
}
fn open_plugin<P: AsRef<OsStr>>(lib_path: P) -> Result<Library, ErrBox> {
debug!("Loading Plugin: {:#?}", lib_path.as_ref());
Library::open(lib_path).map_err(ErrBox::from)
}
struct PluginResource {
lib: Library,
ops: HashMap<String, OpId>,
}
impl Resource for PluginResource {}
struct InitContext {
ops: HashMap<String, Box<OpDispatcher>>,
}
impl PluginInitContext for InitContext {
fn register_op(&mut self, name: &str, op: Box<OpDispatcher>) {
let existing = self.ops.insert(name.to_string(), op);
assert!(
existing.is_none(),
format!("Op already registered: {}", name)
);
}
}
#[derive(Deserialize)]
#[serde(rename_all = "camelCase")]
struct OpenPluginArgs {
filename: String,
}
pub fn op_open_plugin(
registry: &Arc<deno::OpRegistry>,
state: &ThreadSafeState,
args: Value,
_zero_copy: Option<PinnedBuf>,
) -> Result<JsonOp, ErrBox> {
let args: OpenPluginArgs = serde_json::from_value(args)?;
let (filename, filename_) = deno_fs::resolve_from_cwd(&args.filename)?;
state.check_plugin(&filename_)?;
let lib = open_plugin(filename)?;
let plugin_resource = PluginResource {
lib,
ops: HashMap::new(),
};
let mut table = state.lock_resource_table();
let rid = table.add("plugin", Box::new(plugin_resource));
let plugin_resource = table.get_mut::<PluginResource>(rid).unwrap();
let init_fn = *unsafe {
plugin_resource
.lib
.symbol::<PluginInitFn>("deno_plugin_init")
}?;
let mut init_context = InitContext {
ops: HashMap::new(),
};
init_fn(&mut init_context);
for op in init_context.ops {
// Register each plugin op in the `OpRegistry` with the name
// formated like this `plugin_{plugin_rid}_{name}`.
// The inclusion of prefix and rid is designed to avoid any
// op name collision beyond the bound of a single loaded
// plugin instance.
let op_id = registry.register(&format!("plugin_{}_{}", rid, op.0), op.1);
plugin_resource.ops.insert(op.0, op_id);
}
Ok(JsonOp::Sync(
json!({ "rid": rid, "ops": plugin_resource.ops }),
))
}

View file

@ -227,7 +227,12 @@ fn op_host_get_worker_closed(
};
let op = future.then(move |_result| {
let mut workers_table = state_.workers.lock().unwrap();
workers_table.remove(&id);
let maybe_worker = workers_table.remove(&id);
if let Some(worker) = maybe_worker {
let mut channels = worker.state.worker_channels.lock().unwrap();
channels.sender.close_channel();
channels.receiver.close();
};
futures::future::ok(json!({}))
});

View file

@ -108,6 +108,7 @@ pub struct DenoPermissions {
pub net_whitelist: HashSet<String>,
pub allow_env: PermissionState,
pub allow_run: PermissionState,
pub allow_plugin: PermissionState,
pub allow_hrtime: PermissionState,
}
@ -122,6 +123,7 @@ impl DenoPermissions {
net_whitelist: flags.net_whitelist.iter().cloned().collect(),
allow_env: PermissionState::from(flags.allow_env),
allow_run: PermissionState::from(flags.allow_run),
allow_plugin: PermissionState::from(flags.allow_plugin),
allow_hrtime: PermissionState::from(flags.allow_hrtime),
}
}
@ -207,6 +209,13 @@ impl DenoPermissions {
)
}
pub fn check_plugin(&self, filename: &str) -> Result<(), ErrBox> {
self.allow_plugin.check(
&format!("access to open a plugin: {}", filename),
"run again with the --allow-plugin flag",
)
}
pub fn request_run(&mut self) -> PermissionState {
self
.allow_run
@ -258,6 +267,10 @@ impl DenoPermissions {
.request("Deno requests to access to high precision time.")
}
pub fn request_plugin(&mut self) -> PermissionState {
self.allow_plugin.request("Deno requests to open plugins.")
}
pub fn get_permission_state(
&self,
name: &str,
@ -270,6 +283,7 @@ impl DenoPermissions {
"write" => Ok(self.get_state_write(path)),
"net" => self.get_state_net_url(url),
"env" => Ok(self.allow_env),
"plugin" => Ok(self.allow_plugin),
"hrtime" => Ok(self.allow_hrtime),
n => Err(type_error(format!("No such permission name: {}", n))),
}
@ -652,6 +666,21 @@ mod tests {
assert_eq!(perms1.request_env(), PermissionState::Deny);
}
#[test]
fn test_permissions_request_plugin() {
let mut perms0 = DenoPermissions::from_flags(&DenoFlags {
..Default::default()
});
set_prompt_result(true);
assert_eq!(perms0.request_plugin(), PermissionState::Allow);
let mut perms1 = DenoPermissions::from_flags(&DenoFlags {
..Default::default()
});
set_prompt_result(false);
assert_eq!(perms1.request_plugin(), PermissionState::Deny);
}
#[test]
fn test_permissions_request_hrtime() {
let mut perms0 = DenoPermissions::from_flags(&DenoFlags {

View file

@ -295,6 +295,11 @@ impl ThreadSafeState {
self.permissions.lock().unwrap().check_run()
}
#[inline]
pub fn check_plugin(&self, filename: &str) -> Result<(), ErrBox> {
self.permissions.lock().unwrap().check_plugin(filename)
}
pub fn check_dyn_import(
self: &Self,
module_specifier: &ModuleSpecifier,

View file

@ -50,6 +50,7 @@ impl Worker {
let isolate = Arc::new(Mutex::new(deno::Isolate::new(startup_data, false)));
{
let mut i = isolate.lock().unwrap();
let op_registry = i.op_registry.clone();
ops::compiler::init(&mut i, &state);
ops::errors::init(&mut i, &state);
@ -57,6 +58,7 @@ impl Worker {
ops::files::init(&mut i, &state);
ops::fs::init(&mut i, &state);
ops::io::init(&mut i, &state);
ops::plugins::init(&mut i, &state, op_registry);
ops::net::init(&mut i, &state);
ops::tls::init(&mut i, &state);
ops::os::init(&mut i, &state);

View file

@ -14,6 +14,7 @@ mod libdeno;
mod module_specifier;
mod modules;
mod ops;
mod plugins;
mod resources;
mod shared_queue;
@ -27,6 +28,7 @@ pub use crate::libdeno::PinnedBuf;
pub use crate::module_specifier::*;
pub use crate::modules::*;
pub use crate::ops::*;
pub use crate::plugins::*;
pub use crate::resources::*;
pub fn v8_version() -> &'static str {

View file

@ -27,7 +27,7 @@ pub type CoreError = ();
pub type CoreOp = Op<CoreError>;
/// Main type describing op
type OpDispatcher =
pub type OpDispatcher =
dyn Fn(&[u8], Option<PinnedBuf>) -> CoreOp + Send + Sync + 'static;
#[derive(Default)]

22
core/plugins.rs Normal file
View file

@ -0,0 +1,22 @@
use crate::libdeno::PinnedBuf;
use crate::ops::CoreOp;
pub type PluginInitFn = fn(context: &mut dyn PluginInitContext);
pub trait PluginInitContext {
fn register_op(
&mut self,
name: &str,
op: Box<dyn Fn(&[u8], Option<PinnedBuf>) -> CoreOp + Send + Sync + 'static>,
);
}
#[macro_export]
macro_rules! init_fn {
($fn:path) => {
#[no_mangle]
pub fn deno_plugin_init(context: &mut dyn PluginInitContext) {
$fn(context)
}
};
}

14
test_plugin/Cargo.toml Normal file
View file

@ -0,0 +1,14 @@
[package]
name = "test_plugin"
version = "0.0.1"
authors = ["the deno authors"]
edition = "2018"
publish = false
[lib]
crate-type = ["cdylib"]
[dependencies]
futures = "0.3"
deno = { path = "../core" }
deno_cli = { path = "../cli" }

53
test_plugin/src/lib.rs Normal file
View file

@ -0,0 +1,53 @@
#[macro_use]
extern crate deno;
extern crate futures;
use deno::CoreOp;
use deno::Op;
use deno::PluginInitContext;
use deno::{Buf, PinnedBuf};
use futures::future::FutureExt;
fn init(context: &mut dyn PluginInitContext) {
context.register_op("testSync", Box::new(op_test_sync));
context.register_op("testAsync", Box::new(op_test_async));
}
init_fn!(init);
pub fn op_test_sync(data: &[u8], zero_copy: Option<PinnedBuf>) -> CoreOp {
if let Some(buf) = zero_copy {
let data_str = std::str::from_utf8(&data[..]).unwrap();
let buf_str = std::str::from_utf8(&buf[..]).unwrap();
println!(
"Hello from plugin. data: {} | zero_copy: {}",
data_str, buf_str
);
}
let result = b"test";
let result_box: Buf = Box::new(*result);
Op::Sync(result_box)
}
pub fn op_test_async(data: &[u8], zero_copy: Option<PinnedBuf>) -> CoreOp {
let data_str = std::str::from_utf8(&data[..]).unwrap().to_string();
let fut = async move {
if let Some(buf) = zero_copy {
let buf_str = std::str::from_utf8(&buf[..]).unwrap();
println!(
"Hello from plugin. data: {} | zero_copy: {}",
data_str, buf_str
);
}
let (tx, rx) = futures::channel::oneshot::channel::<Result<(), ()>>();
std::thread::spawn(move || {
std::thread::sleep(std::time::Duration::from_secs(1));
tx.send(Ok(())).unwrap();
});
assert!(rx.await.is_ok());
let result = b"test";
let result_box: Buf = Box::new(*result);
Ok(result_box)
};
Op::Async(fut.boxed())
}

View file

@ -0,0 +1,44 @@
use deno_cli::test_util::*;
use std::process::Command;
fn deno_cmd() -> Command {
assert!(deno_exe_path().exists());
Command::new(deno_exe_path())
}
#[cfg(debug_assertions)]
const BUILD_VARIANT: &str = "debug";
#[cfg(not(debug_assertions))]
const BUILD_VARIANT: &str = "release";
#[test]
fn basic() {
let mut build_plugin_base = Command::new("cargo");
let mut build_plugin =
build_plugin_base.arg("build").arg("-p").arg("test_plugin");
if BUILD_VARIANT == "release" {
build_plugin = build_plugin.arg("--release");
}
let _build_plugin_output = build_plugin.output().unwrap();
let output = deno_cmd()
.arg("--allow-plugin")
.arg("tests/test.js")
.arg(BUILD_VARIANT)
.output()
.unwrap();
let stdout = std::str::from_utf8(&output.stdout).unwrap();
let stderr = std::str::from_utf8(&output.stderr).unwrap();
if !output.status.success() {
println!("stdout {}", stdout);
println!("stderr {}", stderr);
}
assert!(output.status.success());
let expected = if cfg!(target_os = "windows") {
"Hello from plugin. data: test | zero_copy: test\nPlugin Sync Response: test\r\nHello from plugin. data: test | zero_copy: test\nPlugin Async Response: test\r\n"
} else {
"Hello from plugin. data: test | zero_copy: test\nPlugin Sync Response: test\nHello from plugin. data: test | zero_copy: test\nPlugin Async Response: test\n"
};
assert_eq!(stdout, expected);
assert_eq!(stderr, "");
}

47
test_plugin/tests/test.js Normal file
View file

@ -0,0 +1,47 @@
const filenameBase = "test_plugin";
let filenameSuffix = ".so";
let filenamePrefix = "lib";
if (Deno.build.os === "win") {
filenameSuffix = ".dll";
filenamePrefix = "";
}
if (Deno.build.os === "mac") {
filenameSuffix = ".dylib";
}
const filename = `../target/${Deno.args[1]}/${filenamePrefix}${filenameBase}${filenameSuffix}`;
const plugin = Deno.openPlugin(filename);
const { testSync, testAsync } = plugin.ops;
const textDecoder = new TextDecoder();
function runTestSync() {
const response = testSync.dispatch(
new Uint8Array([116, 101, 115, 116]),
new Uint8Array([116, 101, 115, 116])
);
console.log(`Plugin Sync Response: ${textDecoder.decode(response)}`);
}
testAsync.setAsyncHandler(response => {
console.log(`Plugin Async Response: ${textDecoder.decode(response)}`);
});
function runTestAsync() {
const response = testAsync.dispatch(
new Uint8Array([116, 101, 115, 116]),
new Uint8Array([116, 101, 115, 116])
);
if (response != null || response != undefined) {
throw new Error("Expected null response!");
}
}
runTestSync();
runTestAsync();