Merge pull request #42087 from Microsoft/joao/extension-report

Handle reported extensions

src/vs/platform/extensionManagement/common/extensionManagement.ts

@@ -232,7 +232,6 @@ export enum StatisticType {
 export interface IReportedExtension {
 	id: IExtensionIdentifier;
 	malicious: boolean;
-	slow: boolean;
 }
 
 export interface IExtensionGalleryService {
@@ -280,6 +279,7 @@ export interface IExtensionManagementService {
 	installFromGallery(extension: IGalleryExtension): TPromise<void>;
 	uninstall(extension: ILocalExtension, force?: boolean): TPromise<void>;
 	getInstalled(type?: LocalExtensionType): TPromise<ILocalExtension[]>;
+	getExtensionsReport(): TPromise<IReportedExtension[]>;
 
 	updateMetadata(local: ILocalExtension, metadata: IGalleryMetadata): TPromise<ILocalExtension>;
 }

src/vs/platform/extensionManagement/common/extensionManagementIpc.ts

@@ -7,7 +7,7 @@
 
 import { TPromise } from 'vs/base/common/winjs.base';
 import { IChannel, eventToCall, eventFromCall } from 'vs/base/parts/ipc/common/ipc';
-import { IExtensionManagementService, ILocalExtension, InstallExtensionEvent, DidInstallExtensionEvent, IGalleryExtension, LocalExtensionType, DidUninstallExtensionEvent, IExtensionIdentifier, IGalleryMetadata } from './extensionManagement';
+import { IExtensionManagementService, ILocalExtension, InstallExtensionEvent, DidInstallExtensionEvent, IGalleryExtension, LocalExtensionType, DidUninstallExtensionEvent, IExtensionIdentifier, IGalleryMetadata, IReportedExtension } from './extensionManagement';
 import Event, { buffer } from 'vs/base/common/event';
 
 export interface IExtensionManagementChannel extends IChannel {
@@ -19,6 +19,7 @@ export interface IExtensionManagementChannel extends IChannel {
 	call(command: 'installFromGallery', extension: IGalleryExtension): TPromise<void>;
 	call(command: 'uninstall', args: [ILocalExtension, boolean]): TPromise<void>;
 	call(command: 'getInstalled'): TPromise<ILocalExtension[]>;
+	call(command: 'getExtensionsReport'): TPromise<IReportedExtension[]>;
 	call(command: string, arg?: any): TPromise<any>;
 }
 
@@ -47,6 +48,7 @@ export class ExtensionManagementChannel implements IExtensionManagementChannel {
 			case 'uninstall': return this.service.uninstall(arg[0], arg[1]);
 			case 'getInstalled': return this.service.getInstalled(arg);
 			case 'updateMetadata': return this.service.updateMetadata(arg[0], arg[1]);
+			case 'getExtensionsReport': return this.service.getExtensionsReport();
 		}
 		return undefined;
 	}
@@ -89,4 +91,8 @@ export class ExtensionManagementChannelClient implements IExtensionManagementSer
 	updateMetadata(local: ILocalExtension, metadata: IGalleryMetadata): TPromise<ILocalExtension> {
 		return this.channel.call('updateMetadata', [local, metadata]);
 	}
+
+	getExtensionsReport(): TPromise<IReportedExtension[]> {
+		return this.channel.call('getExtensionsReport');
+	}
 }
\ No newline at end of file

src/vs/platform/extensionManagement/common/extensionManagementUtil.ts

@@ -5,7 +5,7 @@
 
 'use strict';
 
-import { ILocalExtension, IGalleryExtension, EXTENSION_IDENTIFIER_REGEX, IExtensionIdentifier } from 'vs/platform/extensionManagement/common/extensionManagement';
+import { ILocalExtension, IGalleryExtension, EXTENSION_IDENTIFIER_REGEX, IExtensionIdentifier, IReportedExtension } from 'vs/platform/extensionManagement/common/extensionManagement';
 
 export function areSameExtensions(a: IExtensionIdentifier, b: IExtensionIdentifier): boolean {
 	if (a.uuid && b.uuid) {
@@ -101,4 +101,16 @@ export function getGalleryExtensionTelemetryData(extension: IGalleryExtension):
 }
 
 export const BetterMergeDisabledNowKey = 'extensions/bettermergedisablednow';
-export const BetterMergeId = 'pprice.better-merge';
\ No newline at end of file
+export const BetterMergeId = 'pprice.better-merge';
+
+export function getMaliciousExtensionsSet(report: IReportedExtension[]): Set<string> {
+	const result = new Set<string>();
+
+	for (const extension of report) {
+		if (extension.malicious) {
+			result.add(extension.id.id);
+		}
+	}
+
+	return result;
+}
\ No newline at end of file

src/vs/platform/extensionManagement/node/extensionGalleryService.ts

@@ -743,12 +743,6 @@ export class ExtensionGalleryService implements IExtensionGalleryService {
 					map.set(id, ext);
 				}
 
-				for (const id of result.slow) {
-					const ext = map.get(id) || { id: { id }, malicious: false, slow: true };
-					ext.slow = true;
-					map.set(id, ext);
-				}
-
 				return TPromise.as(values(map));
 			});
 		});

src/vs/platform/extensionManagement/node/extensionManagementService.ts

@@ -19,9 +19,10 @@ import {
 	IGalleryExtension, IExtensionManifest, IGalleryMetadata,
 	InstallExtensionEvent, DidInstallExtensionEvent, DidUninstallExtensionEvent, LocalExtensionType,
 	StatisticType,
-	IExtensionIdentifier
+	IExtensionIdentifier,
+	IReportedExtension
 } from 'vs/platform/extensionManagement/common/extensionManagement';
-import { getGalleryExtensionIdFromLocal, adoptToGalleryExtensionId, areSameExtensions, getGalleryExtensionId, groupByExtension } from 'vs/platform/extensionManagement/common/extensionManagementUtil';
+import { getGalleryExtensionIdFromLocal, adoptToGalleryExtensionId, areSameExtensions, getGalleryExtensionId, groupByExtension, getMaliciousExtensionsSet } from 'vs/platform/extensionManagement/common/extensionManagementUtil';
 import { localizeManifest } from '../common/extensionNls';
 import { IEnvironmentService } from 'vs/platform/environment/common/environment';
 import { Limiter } from 'vs/base/common/async';
@@ -103,8 +104,8 @@ export class ExtensionManagementService implements IExtensionManagementService {
 
 	private extensionsPath: string;
 	private uninstalledPath: string;
-	private userDataPath: string;
 	private uninstalledFileLimiter: Limiter<void>;
+	private reportedExtensions: TPromise<IReportedExtension[]> | undefined;
 	private disposables: IDisposable[] = [];
 
 	private readonly _onInstallExtension = new Emitter<InstallExtensionEvent>();
@@ -122,20 +123,19 @@ export class ExtensionManagementService implements IExtensionManagementService {
 	onDidUninstallExtension: Event<DidUninstallExtensionEvent> = this._onDidUninstallExtension.event;
 
 	constructor(
-		@IEnvironmentService environmentService: IEnvironmentService,
+		@IEnvironmentService private environmentService: IEnvironmentService,
 		@IChoiceService private choiceService: IChoiceService,
 		@IExtensionGalleryService private galleryService: IExtensionGalleryService,
-		@ILogService private logService: ILogService,
+		@ILogService private logService: ILogService
 	) {
 		this.extensionsPath = environmentService.extensionsPath;
 		this.uninstalledPath = path.join(this.extensionsPath, '.obsolete');
-		this.userDataPath = environmentService.userDataPath;
 		this.uninstalledFileLimiter = new Limiter(1);
 		this.disposables.push(toDisposable(() => this.installingExtensions.clear()));
 	}
 
 	private deleteExtensionsManifestCache(): void {
-		const cacheFolder = path.join(this.userDataPath, MANIFEST_CACHE_FOLDER);
+		const cacheFolder = path.join(this.environmentService.userDataPath, MANIFEST_CACHE_FOLDER);
 		const cacheFile = path.join(cacheFolder, USER_MANIFEST_CACHE_FILE);
 
 		pfs.del(cacheFile).done(() => { }, () => { });
@@ -269,9 +269,22 @@ export class ExtensionManagementService implements IExtensionManagementService {
 	private downloadAndInstallExtension(extension: IGalleryExtension): TPromise<ILocalExtension> {
 		let installingExtension = this.installingExtensions.get(extension.identifier.id);
 		if (!installingExtension) {
-			installingExtension = this.downloadInstallableExtension(extension).then(installableExtension => this.installExtension(installableExtension));
+			installingExtension = this.reportedExtensions
+				.then(report => {
+					if (getMaliciousExtensionsSet(report).has(extension.identifier.id)) {
+						throw new Error(nls.localize('malicious extension', "Can't install extension since it was reported to be malicious."));
+					} else {
+						return extension;
+					}
+				})
+				.then(extension => this.downloadInstallableExtension(extension))
+				.then(installableExtension => this.installExtension(installableExtension));
+
 			this.installingExtensions.set(extension.identifier.id, installingExtension);
-			installingExtension.then(local => { this.installingExtensions.delete(extension.identifier.id); return local; }, e => { this.installingExtensions.delete(extension.identifier.id); return TPromise.wrapError(e); });
+			installingExtension.then(
+				local => { this.installingExtensions.delete(extension.identifier.id); return local; },
+				e => { this.installingExtensions.delete(extension.identifier.id); return TPromise.wrapError(e); }
+			);
 		}
 		return installingExtension;
 	}
@@ -367,6 +380,8 @@ export class ExtensionManagementService implements IExtensionManagementService {
 	}
 
 	private installExtension(installableExtension: InstallableExtension): TPromise<ILocalExtension> {
+		// BLOCK REPORTED EXTENSIONS HERE?
+
 		return this.unsetUninstalledAndGetLocal(installableExtension.id)
 			.then(
 			local => {
@@ -776,6 +791,32 @@ export class ExtensionManagementService implements IExtensionManagementService {
 		});
 	}
 
+	private lastReportTimestamp = 0;
+
+	getExtensionsReport(): TPromise<IReportedExtension[]> {
+		const now = new Date().getTime();
+
+		if (!this.reportedExtensions || now - this.lastReportTimestamp > 1000 * 60 * 5) { // 5 minute cache freshness
+			this.reportedExtensions = this.updateReportCache();
+			this.lastReportTimestamp = now;
+		}
+
+		return this.reportedExtensions;
+	}
+
+	private updateReportCache(): TPromise<IReportedExtension[]> {
+		this.logService.trace('ExtensionManagementService.refreshReportedCache');
+
+		return this.galleryService.getExtensionsReport()
+			.then(result => {
+				this.logService.trace(`ExtensionManagementService.refreshReportedCache - got ${result.length} reported extensions from service`);
+				return result;
+			}, err => {
+				this.logService.trace('ExtensionManagementService.refreshReportedCache - failed to get extension report');
+				return [];
+			});
+	}
+
 	dispose() {
 		this.disposables = dispose(this.disposables);
 	}

src/vs/workbench/parts/extensions/browser/extensionEditor.ts

@@ -33,7 +33,7 @@ import { Renderer, DataSource, Controller } from 'vs/workbench/parts/extensions/
 import { RatingsWidget, InstallCountWidget } from 'vs/workbench/parts/extensions/browser/extensionsWidgets';
 import { EditorOptions } from 'vs/workbench/common/editor';
 import { ActionBar } from 'vs/base/browser/ui/actionbar/actionbar';
-import { CombinedInstallAction, UpdateAction, EnableAction, DisableAction, BuiltinStatusLabelAction, ReloadAction } from 'vs/workbench/parts/extensions/browser/extensionsActions';
+import { CombinedInstallAction, UpdateAction, EnableAction, DisableAction, BuiltinStatusLabelAction, ReloadAction, MaliciousStatusLabelAction } from 'vs/workbench/parts/extensions/browser/extensionsActions';
 import WebView from 'vs/workbench/parts/html/browser/webview';
 import { KeybindingIO } from 'vs/workbench/services/keybinding/common/keybindingIO';
 import { IKeybindingService } from 'vs/platform/keybinding/common/keybinding';
@@ -344,6 +344,7 @@ export class ExtensionEditor extends BaseEditor {
 		this.transientDisposables.push(ratings);
 
 		const builtinStatusAction = this.instantiationService.createInstance(BuiltinStatusLabelAction);
+		const maliciousStatusAction = this.instantiationService.createInstance(MaliciousStatusLabelAction, true);
 		const installAction = this.instantiationService.createInstance(CombinedInstallAction);
 		const updateAction = this.instantiationService.createInstance(UpdateAction);
 		const enableAction = this.instantiationService.createInstance(EnableAction);
@@ -352,14 +353,15 @@ export class ExtensionEditor extends BaseEditor {
 
 		installAction.extension = extension;
 		builtinStatusAction.extension = extension;
+		maliciousStatusAction.extension = extension;
 		updateAction.extension = extension;
 		enableAction.extension = extension;
 		disableAction.extension = extension;
 		reloadAction.extension = extension;
 
 		this.extensionActionBar.clear();
-		this.extensionActionBar.push([reloadAction, updateAction, enableAction, disableAction, installAction, builtinStatusAction], { icon: true, label: true });
-		this.transientDisposables.push(enableAction, updateAction, reloadAction, disableAction, installAction, builtinStatusAction);
+		this.extensionActionBar.push([reloadAction, updateAction, enableAction, disableAction, installAction, builtinStatusAction, maliciousStatusAction], { icon: true, label: true });
+		this.transientDisposables.push(enableAction, updateAction, reloadAction, disableAction, installAction, builtinStatusAction, maliciousStatusAction);
 
 		this.navbar.clear();
 		this.navbar.onChange(this.onNavbarChange.bind(this, extension), this, this.transientDisposables);

src/vs/workbench/parts/extensions/browser/extensionsActions.ts

@@ -1555,6 +1555,34 @@ export class BuiltinStatusLabelAction extends Action {
 	}
 }
 
+export class MaliciousStatusLabelAction extends Action {
+
+	private static readonly Class = 'malicious-status';
+
+	private _extension: IExtension;
+	get extension(): IExtension { return this._extension; }
+	set extension(extension: IExtension) { this._extension = extension; this.update(); }
+
+	constructor(long: boolean) {
+		const tooltip = localize('malicious tooltip', "This extension was reported to be malicious.");
+		const label = long ? tooltip : localize('malicious', "Malicious");
+		super('extensions.install', label, '', false);
+		this.tooltip = localize('malicious tooltip', "This extension was reported to be malicious.");
+	}
+
+	private update(): void {
+		if (this.extension && this.extension.isMalicious) {
+			this.class = `${MaliciousStatusLabelAction.Class} malicious`;
+		} else {
+			this.class = `${MaliciousStatusLabelAction.Class} not-malicious`;
+		}
+	}
+
+	run(): TPromise<any> {
+		return TPromise.as(null);
+	}
+}
+
 export class DisableAllAction extends Action {
 
 	static readonly ID = 'workbench.extensions.action.disableAll';

src/vs/workbench/parts/extensions/browser/extensionsList.ts

@@ -16,7 +16,7 @@ import { IPagedRenderer } from 'vs/base/browser/ui/list/listPaging';
 import { once } from 'vs/base/common/event';
 import { domEvent } from 'vs/base/browser/event';
 import { IExtension, IExtensionsWorkbenchService } from 'vs/workbench/parts/extensions/common/extensions';
-import { InstallAction, UpdateAction, BuiltinStatusLabelAction, ManageExtensionAction, ReloadAction, extensionButtonProminentBackground, extensionButtonProminentForeground } from 'vs/workbench/parts/extensions/browser/extensionsActions';
+import { InstallAction, UpdateAction, BuiltinStatusLabelAction, ManageExtensionAction, ReloadAction, extensionButtonProminentBackground, extensionButtonProminentForeground, MaliciousStatusLabelAction } from 'vs/workbench/parts/extensions/browser/extensionsActions';
 import { areSameExtensions } from 'vs/platform/extensionManagement/common/extensionManagementUtil';
 import { Label, RatingsWidget, InstallCountWidget } from 'vs/workbench/parts/extensions/browser/extensionsWidgets';
 import { IExtensionService } from 'vs/platform/extensions/common/extensions';
@@ -97,13 +97,14 @@ export class Renderer implements IPagedRenderer<IExtension, ITemplateData> {
 		const ratingsWidget = this.instantiationService.createInstance(RatingsWidget, ratings, { small: true });
 
 		const builtinStatusAction = this.instantiationService.createInstance(BuiltinStatusLabelAction);
+		const maliciousStatusAction = this.instantiationService.createInstance(MaliciousStatusLabelAction, false);
 		const installAction = this.instantiationService.createInstance(InstallAction);
 		const updateAction = this.instantiationService.createInstance(UpdateAction);
 		const reloadAction = this.instantiationService.createInstance(ReloadAction);
 		const manageAction = this.instantiationService.createInstance(ManageExtensionAction);
 
-		actionbar.push([reloadAction, updateAction, installAction, builtinStatusAction, manageAction], actionOptions);
-		const disposables = [versionWidget, installCountWidget, ratingsWidget, builtinStatusAction, updateAction, reloadAction, manageAction, actionbar, bookmarkStyler];
+		actionbar.push([reloadAction, updateAction, installAction, builtinStatusAction, maliciousStatusAction, manageAction], actionOptions);
+		const disposables = [versionWidget, installCountWidget, ratingsWidget, builtinStatusAction, maliciousStatusAction, updateAction, reloadAction, manageAction, actionbar, bookmarkStyler];
 
 		return {
 			root, element, icon, name, installCount, ratings, author, description, disposables,
@@ -113,6 +114,7 @@ export class Renderer implements IPagedRenderer<IExtension, ITemplateData> {
 				installCountWidget.extension = extension;
 				ratingsWidget.extension = extension;
 				builtinStatusAction.extension = extension;
+				maliciousStatusAction.extension = extension;
 				installAction.extension = extension;
 				updateAction.extension = extension;
 				reloadAction.extension = extension;

src/vs/workbench/parts/extensions/browser/extensionsQuickOpen.ts

@@ -11,6 +11,7 @@ import { QuickOpenHandler } from 'vs/workbench/browser/quickopen';
 import { IExtensionsViewlet, VIEWLET_ID } from 'vs/workbench/parts/extensions/common/extensions';
 import { IViewletService } from 'vs/workbench/services/viewlet/browser/viewlet';
 import { IExtensionGalleryService, IExtensionManagementService } from 'vs/platform/extensionManagement/common/extensionManagement';
+import { IMessageService, Severity } from 'vs/platform/message/common/message';
 
 class SimpleEntry extends QuickOpenEntry {
 
@@ -75,7 +76,8 @@ export class GalleryExtensionsHandler extends QuickOpenHandler {
 	constructor(
 		@IViewletService private viewletService: IViewletService,
 		@IExtensionGalleryService private galleryService: IExtensionGalleryService,
-		@IExtensionManagementService private extensionsService: IExtensionManagementService
+		@IExtensionManagementService private extensionsService: IExtensionManagementService,
+		@IMessageService private messageService: IMessageService
 	) {
 		super();
 	}
@@ -97,7 +99,8 @@ export class GalleryExtensionsHandler extends QuickOpenHandler {
 							return this.viewletService.openViewlet(VIEWLET_ID, true)
 								.then(viewlet => viewlet as IExtensionsViewlet)
 								.then(viewlet => viewlet.search(`@id:${text}`))
-								.done(() => this.extensionsService.installFromGallery(galleryExtension));
+								.then(() => this.extensionsService.installFromGallery(galleryExtension))
+								.done(null, err => this.messageService.show(Severity.Error, err));
 						};
 
 						entries.push(new SimpleEntry(label, action));

src/vs/workbench/parts/extensions/browser/media/extensionActions.css

@@ -30,11 +30,13 @@
 .monaco-action-bar .action-item.disabled .action-label.extension-action.enable,
 .monaco-action-bar .action-item.disabled .action-label.extension-action.disable,
 .monaco-action-bar .action-item.disabled .action-label.extension-action.reload,
-.monaco-action-bar .action-item.disabled .action-label.built-in-status.user {
+.monaco-action-bar .action-item.disabled .action-label.built-in-status.user,
+.monaco-action-bar .action-item.disabled .action-label.malicious-status.not-malicious {
 	display: none;
 }
 
-.monaco-action-bar .action-item .action-label.built-in-status {
+.monaco-action-bar .action-item .action-label.built-in-status
+.monaco-action-bar .action-item .action-label.malicious-status {
 	border-radius: 4px;
 	color: inherit;
 	background-color: transparent;
@@ -44,7 +46,8 @@
 	line-height: initial;
 }
 
-.extension-editor>.header>.details>.actions>.monaco-action-bar .action-item .action-label.built-in-status {
+.extension-editor>.header>.details>.actions>.monaco-action-bar .action-item .action-label.built-in-status,
+.extension-editor>.header>.details>.actions>.monaco-action-bar .action-item .action-label.malicious-status {
 	font-weight: normal;
 }
 

src/vs/workbench/parts/extensions/common/extensions.ts

@@ -52,6 +52,7 @@ export interface IExtension {
 	getReadme(): TPromise<string>;
 	getChangelog(): TPromise<string>;
 	local?: ILocalExtension;
+	isMalicious: boolean;
 }
 
 export interface IExtensionDependencies {

src/vs/workbench/parts/extensions/electron-browser/extensions.contribution.ts

@@ -28,7 +28,7 @@ import { OpenExtensionsFolderAction, InstallVSIXAction } from 'vs/workbench/part
 import { ExtensionsInput } from 'vs/workbench/parts/extensions/common/extensionsInput';
 import { ViewletRegistry, Extensions as ViewletExtensions, ViewletDescriptor } from 'vs/workbench/browser/viewlet';
 import { ExtensionEditor } from 'vs/workbench/parts/extensions/browser/extensionEditor';
-import { StatusUpdater, ExtensionsViewlet } from 'vs/workbench/parts/extensions/electron-browser/extensionsViewlet';
+import { StatusUpdater, ExtensionsViewlet, MaliciousExtensionChecker } from 'vs/workbench/parts/extensions/electron-browser/extensionsViewlet';
 import { IQuickOpenRegistry, Extensions, QuickOpenHandlerDescriptor } from 'vs/workbench/browser/quickopen';
 import { IConfigurationRegistry, Extensions as ConfigurationExtensions } from 'vs/platform/configuration/common/configurationRegistry';
 import jsonContributionRegistry = require('vs/platform/jsonschemas/common/jsonContributionRegistry');
@@ -52,6 +52,7 @@ registerSingleton(IExtensionHostProfileService, ExtensionHostProfileService);
 
 const workbenchRegistry = Registry.as<IWorkbenchContributionsRegistry>(WorkbenchExtensions.Workbench);
 workbenchRegistry.registerWorkbenchContribution(StatusUpdater, LifecyclePhase.Running);
+workbenchRegistry.registerWorkbenchContribution(MaliciousExtensionChecker, LifecyclePhase.Eventually);
 workbenchRegistry.registerWorkbenchContribution(ConfigureRecommendedExtensionsCommandsContributor, LifecyclePhase.Eventually);
 workbenchRegistry.registerWorkbenchContribution(KeymapExtensions, LifecyclePhase.Running);
 workbenchRegistry.registerWorkbenchContribution(BetterMergeDisabled, LifecyclePhase.Running);

src/vs/workbench/parts/extensions/electron-browser/extensionsViewlet.ts

@@ -51,6 +51,9 @@ import { IStorageService } from 'vs/platform/storage/common/storage';
 import { IWorkspaceContextService, WorkbenchState } from 'vs/platform/workspace/common/workspace';
 import { IContextKeyService, ContextKeyExpr, RawContextKey, IContextKey } from 'vs/platform/contextkey/common/contextkey';
 import { IContextMenuService } from 'vs/platform/contextview/browser/contextView';
+import { getGalleryExtensionIdFromLocal, getMaliciousExtensionsSet } from 'vs/platform/extensionManagement/common/extensionManagementUtil';
+import { ILogService } from 'vs/platform/log/common/log';
+import { ReloadWindowAction } from 'vs/workbench/electron-browser/actions';
 
 interface SearchInputEvent extends Event {
 	target: HTMLInputElement;
@@ -452,3 +455,49 @@ export class StatusUpdater implements IWorkbenchContribution {
 		dispose(this.badgeHandle);
 	}
 }
+
+export class MaliciousExtensionChecker implements IWorkbenchContribution {
+
+	private disposables: IDisposable[];
+
+	constructor(
+		@IExtensionManagementService private extensionsManagementService: IExtensionManagementService,
+		@IInstantiationService private instantiationService: IInstantiationService,
+		@ILogService private logService: ILogService,
+		@IMessageService private messageService: IMessageService
+	) {
+		this.loopCheckForMaliciousExtensions();
+	}
+
+	private loopCheckForMaliciousExtensions(): void {
+		this.checkForMaliciousExtensions()
+			.then(() => TPromise.timeout(1000 * 60 * 5)) // every five minutes
+			.then(() => this.loopCheckForMaliciousExtensions());
+	}
+
+	private checkForMaliciousExtensions(): TPromise<any> {
+		return this.extensionsManagementService.getExtensionsReport().then(report => {
+			const maliciousSet = getMaliciousExtensionsSet(report);
+
+			return this.extensionsManagementService.getInstalled(LocalExtensionType.User).then(installed => {
+				const maliciousExtensions = installed
+					.filter(e => maliciousSet.has(getGalleryExtensionIdFromLocal(e)));
+
+				if (maliciousExtensions.length) {
+					return TPromise.join(maliciousExtensions.map(e => this.extensionsManagementService.uninstall(e, true).then(() => {
+						this.messageService.show(Severity.Warning, {
+							message: localize('malicious warning', "We have uninstalled '{0}' which was reported to be malicious.", getGalleryExtensionIdFromLocal(e)),
+							actions: [this.instantiationService.createInstance(ReloadWindowAction, ReloadWindowAction.ID, localize('reloadNow', "Reload Now"))]
+						});
+					})));
+				} else {
+					return TPromise.as(null);
+				}
+			});
+		}, err => this.logService.error(err));
+	}
+
+	dispose(): void {
+		this.disposables = dispose(this.disposables);
+	}
+}
\ No newline at end of file

src/vs/workbench/parts/extensions/node/extensionsWorkbenchService.ts

@@ -22,7 +22,7 @@ import {
 	IExtensionManagementService, IExtensionGalleryService, ILocalExtension, IGalleryExtension, IQueryOptions, IExtensionManifest,
 	InstallExtensionEvent, DidInstallExtensionEvent, LocalExtensionType, DidUninstallExtensionEvent, IExtensionEnablementService, IExtensionIdentifier, EnablementState
 } from 'vs/platform/extensionManagement/common/extensionManagement';
-import { getGalleryExtensionIdFromLocal, getGalleryExtensionTelemetryData, getLocalExtensionTelemetryData, areSameExtensions } from 'vs/platform/extensionManagement/common/extensionManagementUtil';
+import { getGalleryExtensionIdFromLocal, getGalleryExtensionTelemetryData, getLocalExtensionTelemetryData, areSameExtensions, getMaliciousExtensionsSet } from 'vs/platform/extensionManagement/common/extensionManagementUtil';
 import { IInstantiationService } from 'vs/platform/instantiation/common/instantiation';
 import { IConfigurationService } from 'vs/platform/configuration/common/configuration';
 import { IWindowService } from 'vs/platform/windows/common/windows';
@@ -37,8 +37,8 @@ import product from 'vs/platform/node/product';
 import { ILogService } from 'vs/platform/log/common/log';
 import { IProgressService2, ProgressLocation } from 'vs/platform/progress/common/progress';
 
-interface IExtensionStateProvider {
-	(extension: Extension): ExtensionState;
+interface IExtensionStateProvider<T> {
+	(extension: Extension): T;
 }
 
 class Extension implements IExtension {
@@ -47,7 +47,7 @@ class Extension implements IExtension {
 
 	constructor(
 		private galleryService: IExtensionGalleryService,
-		private stateProvider: IExtensionStateProvider,
+		private stateProvider: IExtensionStateProvider<ExtensionState>,
 		public local: ILocalExtension,
 		public gallery: IGalleryExtension,
 		private telemetryService: ITelemetryService
@@ -153,6 +153,8 @@ class Extension implements IExtension {
 		return this.stateProvider(this);
 	}
 
+	public isMalicious: boolean = false;
+
 	get installCount(): number {
 		return this.gallery ? this.gallery.installCount : null;
 	}
@@ -321,7 +323,7 @@ export class ExtensionsWorkbenchService implements IExtensionsWorkbenchService {
 	private static readonly SyncPeriod = 1000 * 60 * 60 * 12; // 12 hours
 
 	_serviceBrand: any;
-	private stateProvider: IExtensionStateProvider;
+	private stateProvider: IExtensionStateProvider<ExtensionState>;
 	private installing: IActiveExtension[] = [];
 	private uninstalling: IActiveExtension[] = [];
 	private installed: Extension[] = [];
@@ -399,15 +401,19 @@ export class ExtensionsWorkbenchService implements IExtensionsWorkbenchService {
 	}
 
 	queryGallery(options: IQueryOptions = {}): TPromise<IPager<IExtension>> {
-		return this.galleryService.query(options)
-			.then(result => mapPager(result, gallery => this.fromGallery(gallery)))
-			.then(null, err => {
-				if (/No extension gallery service configured/.test(err.message)) {
-					return TPromise.as(singlePagePager([]));
-				}
+		return this.extensionService.getExtensionsReport().then(report => {
+			const maliciousSet = getMaliciousExtensionsSet(report);
+
+			return this.galleryService.query(options)
+				.then(result => mapPager(result, gallery => this.fromGallery(gallery, maliciousSet)))
+				.then(null, err => {
+					if (/No extension gallery service configured/.test(err.message)) {
+						return TPromise.as(singlePagePager([]));
+					}
 
-				return TPromise.wrapError<IPager<IExtension>>(err);
-			});
+					return TPromise.wrapError<IPager<IExtension>>(err);
+				});
+		});
 	}
 
 	loadDependencies(extension: IExtension): TPromise<IExtensionDependencies> {
@@ -415,38 +421,47 @@ export class ExtensionsWorkbenchService implements IExtensionsWorkbenchService {
 			return TPromise.wrap<IExtensionDependencies>(null);
 		}
 
-		return this.galleryService.loadAllDependencies((<Extension>extension).dependencies.map(id => <IExtensionIdentifier>{ id }))
-			.then(galleryExtensions => galleryExtensions.map(galleryExtension => this.fromGallery(galleryExtension)))
-			.then(extensions => [...this.local, ...extensions])
-			.then(extensions => {
-				const map = new Map<string, IExtension>();
-				for (const extension of extensions) {
-					map.set(extension.id, extension);
-				}
-				return new ExtensionDependencies(extension, extension.id, map);
-			});
+		return this.extensionService.getExtensionsReport().then(report => {
+			const maliciousSet = getMaliciousExtensionsSet(report);
+
+			return this.galleryService.loadAllDependencies((<Extension>extension).dependencies.map(id => <IExtensionIdentifier>{ id }))
+				.then(galleryExtensions => galleryExtensions.map(galleryExtension => this.fromGallery(galleryExtension, maliciousSet)))
+				.then(extensions => [...this.local, ...extensions])
+				.then(extensions => {
+					const map = new Map<string, IExtension>();
+					for (const extension of extensions) {
+						map.set(extension.id, extension);
+					}
+					return new ExtensionDependencies(extension, extension.id, map);
+				});
+		});
 	}
 
 	open(extension: IExtension, sideByside: boolean = false): TPromise<any> {
 		return this.editorService.openEditor(this.instantiationService.createInstance(ExtensionsInput, extension), null, sideByside);
 	}
 
-	private fromGallery(gallery: IGalleryExtension): Extension {
-		const installed = this.getInstalledExtensionMatchingGallery(gallery);
+	private fromGallery(gallery: IGalleryExtension, maliciousExtensionSet: Set<string>): Extension {
+		let result = this.getInstalledExtensionMatchingGallery(gallery);
 
-		if (installed) {
+		if (result) {
 			// Loading the compatible version only there is an engine property
 			// Otherwise falling back to old way so that we will not make many roundtrips
 			if (gallery.properties.engine) {
 				this.galleryService.loadCompatibleVersion(gallery)
-					.then(compatible => compatible ? this.syncLocalWithGalleryExtension(installed, compatible) : null);
+					.then(compatible => compatible ? this.syncLocalWithGalleryExtension(result, compatible) : null);
 			} else {
-				this.syncLocalWithGalleryExtension(installed, gallery);
+				this.syncLocalWithGalleryExtension(result, gallery);
 			}
-			return installed;
+		} else {
+			result = new Extension(this.galleryService, this.stateProvider, null, gallery, this.telemetryService);
+		}
+
+		if (maliciousExtensionSet.has(result.id)) {
+			result.isMalicious = true;
 		}
 
-		return new Extension(this.galleryService, this.stateProvider, null, gallery, this.telemetryService);
+		return result;
 	}
 
 	private getInstalledExtensionMatchingGallery(gallery: IGalleryExtension): Extension {
@@ -533,6 +548,10 @@ export class ExtensionsWorkbenchService implements IExtensionsWorkbenchService {
 			return false;
 		}
 
+		if (extension.isMalicious) {
+			return false;
+		}
+
 		return !!(extension as Extension).gallery;
 	}
 
@@ -549,6 +568,10 @@ export class ExtensionsWorkbenchService implements IExtensionsWorkbenchService {
 			return undefined;
 		}
 
+		if (extension.isMalicious) {
+			return TPromise.wrapError<void>(new Error(nls.localize('malicious', "This extension is reported to be malicious.")));
+		}
+
 		const ext = extension as Extension;
 		const gallery = ext.gallery;