import * as path from "path"; import { getPathFromAmdModule } from "vs/base/common/amd"; import { VSBuffer } from "vs/base/common/buffer"; import { Emitter, Event } from "vs/base/common/event"; import { IDisposable } from "vs/base/common/lifecycle"; import { OS } from "vs/base/common/platform"; import { URI, UriComponents } from "vs/base/common/uri"; import { URITransformer, IRawURITransformer, transformOutgoingURIs } from "vs/base/common/uriIpc"; import { IServerChannel } from "vs/base/parts/ipc/common/ipc"; import { IDiagnosticInfo } from "vs/platform/diagnostics/common/diagnosticsService"; import { IEnvironmentService } from "vs/platform/environment/common/environment"; import { FileDeleteOptions, FileOverwriteOptions, FileType, IStat, IWatchOptions, FileOpenOptions } from "vs/platform/files/common/files"; import { ILogService } from "vs/platform/log/common/log"; import { IRemoteAgentEnvironment } from "vs/platform/remote/common/remoteAgentEnvironment"; import { DiskFileSystemProvider } from "vs/workbench/services/files/node/diskFileSystemProvider"; /** * Extend the file provider to allow unwatching. */ class Watcher extends DiskFileSystemProvider { public readonly watches = new Map(); public dispose(): void { this.watches.forEach((w) => w.dispose()); this.watches.clear(); super.dispose(); } public _watch(req: number, resource: URI, opts: IWatchOptions): void { this.watches.set(req, this.watch(resource, opts)); } public unwatch(req: number): void { this.watches.get(req)!.dispose(); this.watches.delete(req); } } /** * See: src/vs/platform/remote/common/remoteAgentFileSystemChannel.ts. */ export class FileProviderChannel implements IServerChannel { private readonly provider: DiskFileSystemProvider; private readonly watchers = new Map(); public constructor(private readonly logService: ILogService) { this.provider = new DiskFileSystemProvider(this.logService); } public listen(context: any, event: string, args?: any): Event { switch (event) { // This is where the actual file changes are sent. The watch method just // adds things that will fire here. That means we have to split up // watchers based on the session otherwise sessions would get events for // other sessions. There is also no point in having the watcher unless // something is listening. I'm not sure there is a different way to // dispose, anyway. case "filechange": const session = args[0]; const emitter = new Emitter({ onFirstListenerAdd: () => { const provider = new Watcher(this.logService); this.watchers.set(session, provider); const transformer = getUriTransformer(context.remoteAuthority); provider.onDidChangeFile((events) => { emitter.fire(events.map((event) => ({ ...event, resource: transformer.transformOutgoing(event.resource), }))); }); provider.onDidErrorOccur((event) => emitter.fire(event)); }, onLastListenerRemove: () => { this.watchers.get(session)!.dispose(); this.watchers.delete(session); }, }); return emitter.event; } throw new Error(`Invalid listen "${event}"`); } public call(_: unknown, command: string, args?: any): Promise { switch (command) { case "stat": return this.stat(args[0]); case "open": return this.open(args[0], args[1]); case "close": return this.close(args[0]); case "read": return this.read(args[0], args[1], args[2]); case "write": return this.write(args[0], args[1], args[2], args[3], args[4]); case "delete": return this.delete(args[0], args[1]); case "mkdir": return this.mkdir(args[0]); case "readdir": return this.readdir(args[0]); case "rename": return this.rename(args[0], args[1], args[2]); case "copy": return this.copy(args[0], args[1], args[2]); case "watch": return this.watch(args[0], args[1], args[2], args[3]); case "unwatch": return this.unwatch(args[0], args[1]); } throw new Error(`Invalid call "${command}"`); } private async stat(resource: UriComponents): Promise { return this.provider.stat(URI.from(resource)); } private async open(resource: UriComponents, opts: FileOpenOptions): Promise { return this.provider.open(URI.from(resource), opts); } private async close(fd: number): Promise { return this.provider.close(fd); } private async read(fd: number, pos: number, length: number): Promise<[VSBuffer, number]> { const buffer = VSBuffer.alloc(length); const bytesRead = await this.provider.read(fd, pos, buffer.buffer, 0, length); return [buffer, bytesRead]; } private write(fd: number, pos: number, buffer: VSBuffer, offset: number, length: number): Promise { return this.provider.write(fd, pos, buffer.buffer, offset, length); } private async delete(resource: UriComponents, opts: FileDeleteOptions): Promise { return this.provider.delete(URI.from(resource), opts); } private async mkdir(resource: UriComponents): Promise { return this.provider.mkdir(URI.from(resource)); } private async readdir(resource: UriComponents): Promise<[string, FileType][]> { return this.provider.readdir(URI.from(resource)); } private async rename(resource: UriComponents, target: UriComponents, opts: FileOverwriteOptions): Promise { return this.provider.rename(URI.from(resource), URI.from(target), opts); } private copy(resource: UriComponents, target: UriComponents, opts: FileOverwriteOptions): Promise { return this.provider.copy(URI.from(resource), URI.from(target), opts); } private async watch(session: string, req: number, resource: UriComponents, opts: IWatchOptions): Promise { this.watchers.get(session)!._watch(req, URI.from(resource), opts); } private async unwatch(session: string, req: number): Promise { this.watchers.get(session)!.unwatch(req); } } /** * See: src/vs/workbench/services/remote/common/remoteAgentEnvironmentChannel.ts. */ export class ExtensionEnvironmentChannel implements IServerChannel { public constructor(private readonly environment: IEnvironmentService) {} public listen(_: unknown, event: string): Event { throw new Error(`Invalid listen "${event}"`); } public async call(context: any, command: string, _args?: any): Promise { switch (command) { case "getEnvironmentData": return transformOutgoingURIs( await this.getEnvironmentData(), getUriTransformer(context.remoteAuthority), ); case "getDiagnosticInfo": return this.getDiagnosticInfo(); case "disableTelemetry": return this.disableTelemetry(); } throw new Error(`Invalid call "${command}"`); } private async getEnvironmentData(): Promise { return { pid: process.pid, appRoot: URI.file(this.environment.appRoot), appSettingsHome: this.environment.appSettingsHome, settingsPath: this.environment.machineSettingsHome, logsPath: URI.file(this.environment.logsPath), extensionsPath: URI.file(this.environment.extensionsPath), extensionHostLogsPath: URI.file(path.join(this.environment.logsPath, "extension-host")), // TODO globalStorageHome: URI.file(this.environment.globalStorageHome), userHome: URI.file(this.environment.userHome), extensions: [], // TODO os: OS, }; } private getDiagnosticInfo(): Promise { throw new Error("not implemented"); } private disableTelemetry(): Promise { throw new Error("not implemented"); } } export const uriTransformerPath = getPathFromAmdModule(require, "vs/server/uriTransformer"); export const getUriTransformer = (remoteAuthority: string): URITransformer => { const rawURITransformerFactory = require.__$__nodeRequire(uriTransformerPath); const rawURITransformer = rawURITransformerFactory(remoteAuthority); return new URITransformer(rawURITransformer); };