Partial extension host, some restructuring
I didn't like how the inner objects accessed parent objects, so I restructured all that.
This commit is contained in:
Asher
parent
0d618bb1ef
commit
4e0a6d2941
183
connection.ts
183
connection.ts
@ -1,69 +1,176 @@
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import { ClientConnectionEvent } from "vs/base/parts/ipc/common/ipc";
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import { ConnectionType } from "vs/platform/remote/common/remoteAgentConnection";
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import { Emitter } from "vs/base/common/event";
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import { PersistentProtocol, ISocket } from "vs/base/parts/ipc/common/ipc.net";
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import { VSBuffer } from "vs/base/common/buffer";
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import * as cp from "child_process";
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export interface Server {
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readonly _onDidClientConnect: Emitter<ClientConnectionEvent>;
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readonly connections: Map<ConnectionType, Map<string, Connection>>;
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}
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import { getPathFromAmdModule } from "vs/base/common/amd";
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import { VSBuffer } from "vs/base/common/buffer";
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import { Emitter } from "vs/base/common/event";
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import { ISocket } from "vs/base/parts/ipc/common/ipc.net";
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import { NodeSocket, WebSocketNodeSocket } from "vs/base/parts/ipc/node/ipc.net";
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import { ILogService } from "vs/platform/log/common/log";
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import { IExtHostReadyMessage, IExtHostSocketMessage } from "vs/workbench/services/extensions/common/extensionHostProtocol";
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import { Protocol } from "vs/server/protocol";
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export abstract class Connection {
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private readonly _onClose = new Emitter<void>();
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public readonly onClose = this._onClose.event;
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private timeout: NodeJS.Timeout | undefined;
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private readonly wait = 1000 * 60 * 60;
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private readonly wait = 1000 * 60;
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public constructor(
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protected readonly server: Server,
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private readonly protocol: PersistentProtocol,
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) {
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// onClose seems to mean we want to disconnect, so dispose immediately.
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this.protocol.onClose(() => this.dispose());
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private closed: boolean = false;
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// If the socket closes, we want to wait before disposing so we can
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// reconnect.
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this.protocol.onSocketClose(() => {
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public constructor(protected protocol: Protocol) {
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// onClose seems to mean we want to disconnect, so close immediately.
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protocol.onClose(() => this.close());
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// If the socket closes, we want to wait before closing so we can
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// reconnect in the meantime.
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protocol.onSocketClose(() => {
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this.timeout = setTimeout(() => {
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this.dispose();
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this.close();
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}, this.wait);
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});
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}
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/**
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* Completely close and clean up the connection. Should only do this once we
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* don't need or want the connection. It cannot be re-used after this.
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* Set up the connection on a new socket.
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*/
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public dispose(): void {
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public reconnect(protocol: Protocol, buffer: VSBuffer): void {
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if (this.closed) {
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throw new Error("Cannot reconnect to closed connection");
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}
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clearTimeout(this.timeout as any); // Not sure why the type doesn't work.
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this.protocol = protocol;
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this.connect(protocol.getSocket(), buffer);
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}
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/**
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* Close and clean up connection. This will also kill the socket the
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* connection is on. Probably not safe to reconnect once this has happened.
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*/
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protected close(): void {
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if (!this.closed) {
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this.closed = true;
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this.protocol.sendDisconnect();
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this.protocol.getSocket().end();
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this.dispose();
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this.protocol.dispose();
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this._onClose.fire();
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}
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}
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public reconnect(socket: ISocket, buffer: VSBuffer): void {
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clearTimeout(this.timeout as any); // Not sure why the type doesn't work.
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/**
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* Clean up the connection.
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*/
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protected abstract dispose(): void;
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/**
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* Connect to a new socket.
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*/
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protected abstract connect(socket: ISocket, buffer: VSBuffer): void;
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}
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/**
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* Used for all the IPC channels.
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*/
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export class ManagementConnection extends Connection {
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protected dispose(): void {
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// Nothing extra to do here.
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}
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protected connect(socket: ISocket, buffer: VSBuffer): void {
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this.protocol.beginAcceptReconnection(socket, buffer);
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this.protocol.endAcceptReconnection();
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}
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}
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/**
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* The management connection is used for all the IPC channels.
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* Manage the extension host process.
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*/
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export class ManagementConnection extends Connection {
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public constructor(server: Server, protocol: PersistentProtocol) {
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super(server, protocol);
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// This will communicate back to the IPCServer that a new client has
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// connected.
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this.server._onDidClientConnect.fire({
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protocol,
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onDidClientDisconnect: this.onClose,
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});
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}
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export class ExtensionHostConnection extends Connection {
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private process: cp.ChildProcess;
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public constructor(protocol: Protocol, private readonly log: ILogService) {
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super(protocol);
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const socket = this.protocol.getSocket();
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const buffer = this.protocol.readEntireBuffer();
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this.process = this.spawn(socket, buffer);
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}
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export class ExtensionHostConnection extends Connection {
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protected dispose(): void {
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this.process.kill();
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}
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protected connect(socket: ISocket, buffer: VSBuffer): void {
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this.sendInitMessage(socket, buffer);
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}
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private sendInitMessage(nodeSocket: ISocket, buffer: VSBuffer): void {
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const socket = nodeSocket instanceof NodeSocket
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? nodeSocket.socket
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: (nodeSocket as WebSocketNodeSocket).socket.socket;
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socket.pause();
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const initMessage: IExtHostSocketMessage = {
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type: "VSCODE_EXTHOST_IPC_SOCKET",
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initialDataChunk: (buffer.buffer as Buffer).toString("base64"),
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skipWebSocketFrames: nodeSocket instanceof NodeSocket,
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};
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this.process.send(initMessage, socket);
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}
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private spawn(socket: ISocket, buffer: VSBuffer): cp.ChildProcess {
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const proc = cp.fork(
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getPathFromAmdModule(require, "bootstrap-fork"),
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[
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"--type=extensionHost",
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`--uriTransformerPath=${getPathFromAmdModule(require, "vs/server/transformer")}`
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],
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{
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env: {
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...process.env,
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AMD_ENTRYPOINT: "vs/workbench/services/extensions/node/extensionHostProcess",
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PIPE_LOGGING: "true",
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VERBOSE_LOGGING: "true",
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VSCODE_EXTHOST_WILL_SEND_SOCKET: "true",
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VSCODE_HANDLES_UNCAUGHT_ERRORS: "true",
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VSCODE_LOG_STACK: "false",
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},
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silent: true,
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},
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);
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proc.on("error", (error) => {
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console.error(error);
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this.close();
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});
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proc.on("exit", (code, signal) => {
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console.error("Extension host exited", { code, signal });
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this.close();
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});
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proc.stdout.setEncoding("utf8");
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proc.stderr.setEncoding("utf8");
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proc.stdout.on("data", (data) => this.log.info("Extension host stdout", data));
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proc.stderr.on("data", (data) => this.log.error("Extension host stderr", data));
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proc.on("message", (event) => {
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if (event && event.type === "__$console") {
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const severity = this.log[event.severity] ? event.severity : "info";
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this.log[severity]("Extension host", event.arguments);
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}
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});
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const listen = (message: IExtHostReadyMessage) => {
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if (message.type === "VSCODE_EXTHOST_IPC_READY") {
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proc.removeListener("message", listen);
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this.sendInitMessage(socket, buffer);
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}
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};
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proc.on("message", listen);
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return proc;
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}
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}
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98
protocol.ts
Normal file
98
protocol.ts
Normal file
@ -0,0 +1,98 @@
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import * as crypto from "crypto";
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import * as net from "net";
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import { VSBuffer } from "vs/base/common/buffer";
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import { NodeSocket, WebSocketNodeSocket } from "vs/base/parts/ipc/node/ipc.net";
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import { PersistentProtocol } from "vs/base/parts/ipc/common/ipc.net";
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import { AuthRequest, ConnectionTypeRequest, HandshakeMessage } from "vs/platform/remote/common/remoteAgentConnection";
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export interface SocketOptions {
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readonly reconnectionToken: string;
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readonly reconnection: boolean;
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readonly skipWebSocketFrames: boolean;
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}
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export class Protocol extends PersistentProtocol {
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public constructor(
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secWebsocketKey: string,
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socket: net.Socket,
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public readonly options: SocketOptions,
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) {
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super(
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options.skipWebSocketFrames
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? new NodeSocket(socket)
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: new WebSocketNodeSocket(new NodeSocket(socket)),
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);
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socket.on("error", () => this.dispose());
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socket.on("end", () => this.dispose());
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// This magic value is specified by the websocket spec.
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const magic = "258EAFA5-E914-47DA-95CA-C5AB0DC85B11";
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const reply = crypto.createHash("sha1")
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.update(secWebsocketKey + magic)
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.digest("base64");
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socket.write([
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"HTTP/1.1 101 Switching Protocols",
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"Upgrade: websocket",
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"Connection: Upgrade",
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`Sec-WebSocket-Accept: ${reply}`,
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].join("\r\n") + "\r\n\r\n");
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}
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public dispose(error?: Error): void {
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if (error) {
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this.sendMessage({ type: "error", reason: error.message });
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}
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super.dispose();
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this.getSocket().dispose();
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}
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/**
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* Perform a handshake to get a connection request.
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*/
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public handshake(): Promise<ConnectionTypeRequest> {
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return new Promise((resolve, reject) => {
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const handler = this.onControlMessage((rawMessage) => {
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try {
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const message = JSON.parse(rawMessage.toString());
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switch (message.type) {
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case "auth": return this.authenticate(message);
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case "connectionType":
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handler.dispose();
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return resolve(message);
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default: throw new Error("Unrecognized message type");
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}
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} catch (error) {
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handler.dispose();
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reject(error);
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}
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});
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});
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}
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/**
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* TODO: This ignores the authentication process entirely for now.
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*/
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private authenticate(_message: AuthRequest): void {
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this.sendMessage({
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type: "sign",
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data: "",
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});
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}
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/**
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* TODO: implement.
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*/
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public tunnel(): void {
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throw new Error("Tunnel is not implemented yet");
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}
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/**
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* Send a handshake message. In the case of the extension host, it just sends
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* back a debug port.
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*/
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public sendMessage(message: HandshakeMessage | { debugPort?: number } ): void {
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this.sendControl(VSBuffer.fromString(JSON.stringify(message)));
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}
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}
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104
server.ts
104
server.ts
@ -16,18 +16,18 @@ import { parseMainProcessArgv } from "vs/platform/environment/node/argvHelper";
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import { ParsedArgs } from "vs/platform/environment/common/environment";
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import { EnvironmentService } from "vs/platform/environment/node/environmentService";
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import { InstantiationService } from "vs/platform/instantiation/common/instantiationService";
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import { getLogLevel } from "vs/platform/log/common/log";
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import { getLogLevel, ILogService } from "vs/platform/log/common/log";
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import { LogLevelSetterChannel } from "vs/platform/log/common/logIpc";
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import { SpdLogService } from "vs/platform/log/node/spdlogService";
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import { IProductConfiguration } from "vs/platform/product/common/product";
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import { ConnectionType } from "vs/platform/remote/common/remoteAgentConnection";
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import { ConnectionType, ConnectionTypeRequest } from "vs/platform/remote/common/remoteAgentConnection";
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import { REMOTE_FILE_SYSTEM_CHANNEL_NAME } from "vs/platform/remote/common/remoteAgentFileSystemChannel";
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import { RemoteExtensionLogFileName } from "vs/workbench/services/remote/common/remoteAgentService";
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import { IWorkbenchConstructionOptions } from "vs/workbench/workbench.web.api";
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import { Connection, Server as IServer } from "vs/server/connection";
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import { Connection, ManagementConnection, ExtensionHostConnection } from "vs/server/connection";
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import { ExtensionEnvironmentChannel, FileProviderChannel } from "vs/server/channel";
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import { Socket } from "vs/server/socket";
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import { Protocol } from "vs/server/protocol";
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export enum HttpCode {
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Ok = 200,
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@ -51,9 +51,8 @@ export class HttpError extends Error {
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}
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}
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export class Server implements IServer {
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// When a new client connects, it will fire this event which is used in the
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// IPC server which manages channels.
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export class Server {
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// Used to notify the IPC server that there is a new client.
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public readonly _onDidClientConnect = new Emitter<ClientConnectionEvent>();
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public readonly onDidClientConnect = this._onDidClientConnect.event;
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@ -67,11 +66,10 @@ export class Server implements IServer {
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private readonly server: http.Server;
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private readonly environmentService: EnvironmentService;
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private readonly logService: ILogService;
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// Persistent connections. These can reconnect within a timeout. Individual
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// sockets will add connections made through them to this map and remove them
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// when they close.
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public readonly connections = new Map<ConnectionType, Map<string, Connection>>();
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// Persistent connections. These can reconnect within a timeout.
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private readonly connections = new Map<ConnectionType, Map<string, Connection>>();
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public constructor() {
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this.server = http.createServer(async (request, response): Promise<void> => {
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@ -89,12 +87,12 @@ export class Server implements IServer {
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}
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});
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this.server.on("upgrade", (request, socket) => {
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this.server.on("upgrade", async (request, socket) => {
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const protocol = this.createProtocol(request, socket);
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try {
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const nodeSocket = this.handleUpgrade(request, socket);
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nodeSocket.handshake(this);
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await this.connect(await protocol.handshake(), protocol);
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} catch (error) {
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socket.end(error.message);
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protocol.dispose(error);
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}
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});
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@ -114,18 +112,18 @@ export class Server implements IServer {
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this.environmentService = new EnvironmentService(args, process.execPath);
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const logService = new SpdLogService(
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this.logService = new SpdLogService(
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RemoteExtensionLogFileName,
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this.environmentService.logsPath,
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getLogLevel(this.environmentService),
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);
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this.ipc.registerChannel("loglevel", new LogLevelSetterChannel(logService));
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this.ipc.registerChannel("loglevel", new LogLevelSetterChannel(this.logService));
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const instantiationService = new InstantiationService();
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instantiationService.invokeFunction(() => {
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this.ipc.registerChannel(
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REMOTE_FILE_SYSTEM_CHANNEL_NAME,
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new FileProviderChannel(logService),
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new FileProviderChannel(this.logService),
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);
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this.ipc.registerChannel(
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"remoteextensionsenvironment",
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@ -191,7 +189,7 @@ export class Server implements IServer {
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}
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}
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private handleUpgrade(request: http.IncomingMessage, socket: net.Socket): Socket {
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private createProtocol(request: http.IncomingMessage, socket: net.Socket): Protocol {
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if (request.headers.upgrade !== "websocket") {
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throw new Error("HTTP/1.1 400 Bad Request");
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}
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@ -215,10 +213,11 @@ export class Server implements IServer {
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}
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}
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const nodeSocket = new Socket(socket, options);
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nodeSocket.upgrade(request.headers["sec-websocket-key"] as string);
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return nodeSocket;
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return new Protocol(
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request.headers["sec-websocket-key"] as string,
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socket,
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options,
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);
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}
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public listen(port: number = 8443): void {
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@ -231,4 +230,63 @@ export class Server implements IServer {
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console.log(`Serving ${this.rootPath}`);
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});
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}
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private async connect(message: ConnectionTypeRequest, protocol: Protocol): Promise<void> {
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switch (message.desiredConnectionType) {
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case ConnectionType.ExtensionHost:
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case ConnectionType.Management:
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const debugPort = await this.getDebugPort();
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const ok = message.desiredConnectionType === ConnectionType.ExtensionHost
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? (debugPort ? { debugPort } : {})
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: { type: "ok" };
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if (!this.connections.has(message.desiredConnectionType)) {
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this.connections.set(message.desiredConnectionType, new Map());
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}
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const connections = this.connections.get(message.desiredConnectionType)!;
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const token = protocol.options.reconnectionToken;
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if (protocol.options.reconnection && connections.has(token)) {
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protocol.sendMessage(ok);
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const buffer = protocol.readEntireBuffer();
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protocol.dispose();
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return connections.get(token)!.reconnect(protocol, buffer);
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}
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if (protocol.options.reconnection || connections.has(token)) {
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throw new Error(protocol.options.reconnection
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? "Unrecognized reconnection token"
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: "Duplicate reconnection token"
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);
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}
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protocol.sendMessage(ok);
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let connection: Connection;
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if (message.desiredConnectionType === ConnectionType.Management) {
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connection = new ManagementConnection(protocol);
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this._onDidClientConnect.fire({
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protocol,
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onDidClientDisconnect: connection.onClose,
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});
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} else {
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connection = new ExtensionHostConnection(protocol, this.logService);
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}
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connections.set(protocol.options.reconnectionToken, connection);
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connection.onClose(() => {
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connections.delete(protocol.options.reconnectionToken);
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});
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break;
|
||||
case ConnectionType.Tunnel: return protocol.tunnel();
|
||||
default: throw new Error("Unrecognized connection type");
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* TODO: implement.
|
||||
*/
|
||||
private async getDebugPort(): Promise<number | undefined> {
|
||||
return undefined;
|
||||
}
|
||||
}
|
||||
|
||||
159
socket.ts
159
socket.ts
@ -1,159 +0,0 @@
|
||||
import * as crypto from "crypto";
|
||||
import * as net from "net";
|
||||
|
||||
import { VSBuffer } from "vs/base/common/buffer";
|
||||
import { NodeSocket, WebSocketNodeSocket } from "vs/base/parts/ipc/node/ipc.net";
|
||||
import { PersistentProtocol, ISocket } from "vs/base/parts/ipc/common/ipc.net";
|
||||
import { AuthRequest, ConnectionType, ConnectionTypeRequest, HandshakeMessage } from "vs/platform/remote/common/remoteAgentConnection";
|
||||
|
||||
import { ExtensionHostConnection, ManagementConnection, Server } from "vs/server/connection";
|
||||
|
||||
export interface SocketOptions {
|
||||
readonly reconnectionToken: string;
|
||||
readonly reconnection: boolean;
|
||||
readonly skipWebSocketFrames: boolean;
|
||||
}
|
||||
|
||||
export class Socket {
|
||||
private nodeSocket: ISocket;
|
||||
public protocol: PersistentProtocol;
|
||||
|
||||
public constructor(private readonly socket: net.Socket, private readonly options: SocketOptions) {
|
||||
socket.on("error", () => this.dispose());
|
||||
this.nodeSocket = new NodeSocket(socket);
|
||||
if (!this.options.skipWebSocketFrames) {
|
||||
this.nodeSocket = new WebSocketNodeSocket(this.nodeSocket as NodeSocket);
|
||||
}
|
||||
this.protocol = new PersistentProtocol(this.nodeSocket);
|
||||
}
|
||||
|
||||
/**
|
||||
* Upgrade the connection into a web socket.
|
||||
*/
|
||||
public upgrade(secWebsocketKey: string): void {
|
||||
// This magic value is specified by the websocket spec.
|
||||
const magic = "258EAFA5-E914-47DA-95CA-C5AB0DC85B11";
|
||||
const reply = crypto.createHash("sha1")
|
||||
.update(secWebsocketKey + magic)
|
||||
.digest("base64");
|
||||
|
||||
this.socket.write([
|
||||
"HTTP/1.1 101 Switching Protocols",
|
||||
"Upgrade: websocket",
|
||||
"Connection: Upgrade",
|
||||
`Sec-WebSocket-Accept: ${reply}`,
|
||||
].join("\r\n") + "\r\n\r\n");
|
||||
}
|
||||
|
||||
public dispose(): void {
|
||||
this.nodeSocket.dispose();
|
||||
this.protocol.dispose();
|
||||
this.nodeSocket = undefined!;
|
||||
this.protocol = undefined!;
|
||||
}
|
||||
|
||||
public handshake(server: Server): void {
|
||||
const handler = this.protocol.onControlMessage((rawMessage) => {
|
||||
const message = JSON.parse(rawMessage.toString());
|
||||
switch (message.type) {
|
||||
case "auth": return this.authenticate(message);
|
||||
case "connectionType":
|
||||
handler.dispose();
|
||||
return this.connect(message, server);
|
||||
case "default":
|
||||
return this.dispose();
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
/**
|
||||
* TODO: This ignores the authentication process entirely for now.
|
||||
*/
|
||||
private authenticate(_message: AuthRequest): void {
|
||||
this.sendControl({
|
||||
type: "sign",
|
||||
data: "",
|
||||
});
|
||||
}
|
||||
|
||||
private connect(message: ConnectionTypeRequest, server: Server): void {
|
||||
switch (message.desiredConnectionType) {
|
||||
case ConnectionType.ExtensionHost:
|
||||
case ConnectionType.Management:
|
||||
const debugPort = this.getDebugPort();
|
||||
const ok = message.desiredConnectionType === ConnectionType.ExtensionHost
|
||||
? (debugPort ? { debugPort } : {})
|
||||
: { type: "ok" };
|
||||
|
||||
if (!server.connections.has(message.desiredConnectionType)) {
|
||||
server.connections.set(message.desiredConnectionType, new Map());
|
||||
}
|
||||
|
||||
const connections = server.connections.get(message.desiredConnectionType)!;
|
||||
|
||||
if (this.options.reconnection && connections.has(this.options.reconnectionToken)) {
|
||||
this.sendControl(ok);
|
||||
const buffer = this.protocol.readEntireBuffer();
|
||||
this.protocol.dispose();
|
||||
return connections.get(this.options.reconnectionToken)!
|
||||
.reconnect(this.nodeSocket, buffer);
|
||||
}
|
||||
|
||||
if (this.options.reconnection || connections.has(this.options.reconnectionToken)) {
|
||||
this.sendControl({
|
||||
type: "error",
|
||||
reason: this.options.reconnection
|
||||
? "Unrecognized reconnection token"
|
||||
: "Duplicate reconnection token",
|
||||
});
|
||||
return this.dispose();
|
||||
}
|
||||
|
||||
this.sendControl(ok);
|
||||
|
||||
const connection = message.desiredConnectionType === ConnectionType.Management
|
||||
? new ManagementConnection(server, this.protocol)
|
||||
: new ExtensionHostConnection(server, this.protocol);
|
||||
|
||||
connections.set(this.options.reconnectionToken, connection);
|
||||
connection.onClose(() => {
|
||||
connections.delete(this.options.reconnectionToken);
|
||||
});
|
||||
break;
|
||||
case ConnectionType.Tunnel:
|
||||
return this.tunnel();
|
||||
default:
|
||||
this.sendControl({
|
||||
type: "error",
|
||||
reason: "Unrecognized connection type",
|
||||
});
|
||||
return this.dispose();
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* TODO: implement.
|
||||
*/
|
||||
private tunnel(): void {
|
||||
this.sendControl({
|
||||
type: "error",
|
||||
reason: "Tunnel is not implemented yet",
|
||||
});
|
||||
this.dispose();
|
||||
}
|
||||
|
||||
/**
|
||||
* TODO: implement.
|
||||
*/
|
||||
private getDebugPort(): number | undefined {
|
||||
return undefined;
|
||||
}
|
||||
|
||||
/**
|
||||
* Send a handshake message. In the case of the extension host, it just sends
|
||||
* back a debug port.
|
||||
*/
|
||||
private sendControl(message: HandshakeMessage | { debugPort?: number } ): void {
|
||||
this.protocol.sendControl(VSBuffer.fromString(JSON.stringify(message)));
|
||||
}
|
||||
}
|
||||
27
transformer.js
Normal file
27
transformer.js
Normal file
@ -0,0 +1,27 @@
|
||||
// This file is included via a regular Node require. I'm not sure how (or if)
|
||||
// we can write this in Typescript and have it compile to non-AMD syntax.
|
||||
module.exports = (remoteAuthority) => {
|
||||
return {
|
||||
transformIncoming: (uri) => {
|
||||
switch (uri.scheme) {
|
||||
case "vscode-remote": return { scheme: "file", path: uri.path };
|
||||
case "file ": return { scheme: "vscode-local", path: uri.path };
|
||||
default: return uri;
|
||||
}
|
||||
},
|
||||
transformOutgoing: (uri) => {
|
||||
switch (uri.scheme) {
|
||||
case "vscode-local": return { scheme: "file", path: uri.path };
|
||||
case "file ": return { scheme: "vscode-remote", authority: remoteAuthority, path: uri.path };
|
||||
default: return uri;
|
||||
}
|
||||
},
|
||||
transformOutgoingScheme: (scheme) => {
|
||||
switch (scheme) {
|
||||
case "vscode-local": return "file";
|
||||
case "file": return "vscode-remote";
|
||||
default: return scheme;
|
||||
}
|
||||
},
|
||||
};
|
||||
};
|
||||
Reference in New Issue
Block a user