Files
azuredatastudio/src/vs/platform/extensionManagement/node/extensionsScanner.ts

352 lines
16 KiB
TypeScript

/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the Source EULA. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
import * as semver from 'semver-umd';
import { Disposable } from 'vs/base/common/lifecycle';
import * as pfs from 'vs/base/node/pfs';
import * as path from 'vs/base/common/path';
import { ILogService } from 'vs/platform/log/common/log';
import { ILocalExtension, IGalleryMetadata, ExtensionManagementError } from 'vs/platform/extensionManagement/common/extensionManagement';
import { ExtensionType, IExtensionManifest, IExtensionIdentifier } from 'vs/platform/extensions/common/extensions';
import { areSameExtensions, ExtensionIdentifierWithVersion, groupByExtension, getGalleryExtensionId } from 'vs/platform/extensionManagement/common/extensionManagementUtil';
import { Limiter, Queue } from 'vs/base/common/async';
import { URI } from 'vs/base/common/uri';
import { IEnvironmentService } from 'vs/platform/environment/common/environment';
import { INativeEnvironmentService } from 'vs/platform/environment/node/environmentService';
import { getPathFromAmdModule } from 'vs/base/common/amd';
import { localizeManifest } from 'vs/platform/extensionManagement/common/extensionNls';
import { localize } from 'vs/nls';
import { IProductService } from 'vs/platform/product/common/productService';
import { CancellationToken } from 'vscode';
import { extract, ExtractError } from 'vs/base/node/zip';
import { isWindows } from 'vs/base/common/platform';
import { flatten } from 'vs/base/common/arrays';
import { Emitter } from 'vs/base/common/event';
import { assign } from 'vs/base/common/objects';
const ERROR_SCANNING_SYS_EXTENSIONS = 'scanningSystem';
const ERROR_SCANNING_USER_EXTENSIONS = 'scanningUser';
const INSTALL_ERROR_EXTRACTING = 'extracting';
const INSTALL_ERROR_DELETING = 'deleting';
const INSTALL_ERROR_RENAMING = 'renaming';
export type IMetadata = Partial<IGalleryMetadata & { isMachineScoped: boolean; }>;
export class ExtensionsScanner extends Disposable {
private readonly systemExtensionsPath: string;
private readonly extensionsPath: string;
private readonly uninstalledPath: string;
private readonly uninstalledFileLimiter: Queue<any>;
private _onDidRemoveExtension = new Emitter<ILocalExtension>();
readonly onDidRemoveExtension = this._onDidRemoveExtension.event;
constructor(
@ILogService private readonly logService: ILogService,
@IEnvironmentService private readonly environmentService: INativeEnvironmentService,
@IProductService private readonly productService: IProductService,
) {
super();
this.systemExtensionsPath = environmentService.builtinExtensionsPath;
this.extensionsPath = environmentService.extensionsPath!;
this.uninstalledPath = path.join(this.extensionsPath, '.obsolete');
this.uninstalledFileLimiter = new Queue();
}
async cleanUp(): Promise<void> {
await this.removeUninstalledExtensions();
await this.removeOutdatedExtensions();
}
async scanExtensions(type: ExtensionType | null): Promise<ILocalExtension[]> {
const promises: Promise<ILocalExtension[]>[] = [];
if (type === null || type === ExtensionType.System) {
promises.push(this.scanSystemExtensions().then(null, e => Promise.reject(new ExtensionManagementError(this.joinErrors(e).message, ERROR_SCANNING_SYS_EXTENSIONS))));
}
if (type === null || type === ExtensionType.User) {
promises.push(this.scanUserExtensions(true).then(null, e => Promise.reject(new ExtensionManagementError(this.joinErrors(e).message, ERROR_SCANNING_USER_EXTENSIONS))));
}
return Promise.all<ILocalExtension[]>(promises).then(flatten, errors => Promise.reject(this.joinErrors(errors)));
}
async scanUserExtensions(excludeOutdated: boolean): Promise<ILocalExtension[]> {
this.logService.trace('Started scanning user extensions');
let [uninstalled, extensions] = await Promise.all([this.getUninstalledExtensions(), this.scanAllUserExtensions()]);
extensions = extensions.filter(e => !uninstalled[new ExtensionIdentifierWithVersion(e.identifier, e.manifest.version).key()]);
if (excludeOutdated) {
const byExtension: ILocalExtension[][] = groupByExtension(extensions, e => e.identifier);
extensions = byExtension.map(p => p.sort((a, b) => semver.rcompare(a.manifest.version, b.manifest.version))[0]);
}
this.logService.trace('Scanned user extensions:', extensions.length);
return extensions;
}
async scanAllUserExtensions(): Promise<ILocalExtension[]> {
return this.scanExtensionsInDir(this.extensionsPath, ExtensionType.User);
}
async extractUserExtension(identifierWithVersion: ExtensionIdentifierWithVersion, zipPath: string, token: CancellationToken): Promise<ILocalExtension> {
const { identifier } = identifierWithVersion;
const folderName = identifierWithVersion.key();
const tempPath = path.join(this.extensionsPath, `.${folderName}`);
const extensionPath = path.join(this.extensionsPath, folderName);
try {
await pfs.rimraf(extensionPath);
} catch (error) {
try {
await pfs.rimraf(extensionPath);
} catch (e) { /* ignore */ }
throw new ExtensionManagementError(localize('errorDeleting', "Unable to delete the existing folder '{0}' while installing the extension '{1}'. Please delete the folder manually and try again", extensionPath, identifier.id), INSTALL_ERROR_DELETING);
}
await this.extractAtLocation(identifier, zipPath, tempPath, token);
try {
await this.rename(identifier, tempPath, extensionPath, Date.now() + (2 * 60 * 1000) /* Retry for 2 minutes */);
this.logService.info('Renamed to', extensionPath);
} catch (error) {
this.logService.info('Rename failed. Deleting from extracted location', tempPath);
try {
pfs.rimraf(tempPath);
} catch (e) { /* ignore */ }
throw error;
}
let local: ILocalExtension | null = null;
try {
local = await this.scanExtension(folderName, this.extensionsPath, ExtensionType.User);
} catch (e) { /*ignore */ }
if (local) {
return local;
}
throw new Error(localize('cannot read', "Cannot read the extension from {0}", this.extensionsPath));
}
async saveMetadataForLocalExtension(local: ILocalExtension, metadata: IMetadata): Promise<ILocalExtension> {
this.setMetadata(local, metadata);
// unset if false
metadata.isMachineScoped = metadata.isMachineScoped || undefined;
const manifestPath = path.join(local.location.fsPath, 'package.json');
const raw = await pfs.readFile(manifestPath, 'utf8');
const { manifest } = await this.parseManifest(raw);
assign(manifest, { __metadata: metadata });
await pfs.writeFile(manifestPath, JSON.stringify(manifest, null, '\t'));
return local;
}
getUninstalledExtensions(): Promise<{ [id: string]: boolean; }> {
return this.withUninstalledExtensions(uninstalled => uninstalled);
}
async withUninstalledExtensions<T>(fn: (uninstalled: { [id: string]: boolean; }) => T): Promise<T> {
return this.uninstalledFileLimiter.queue(async () => {
let result: T | null = null;
return pfs.readFile(this.uninstalledPath, 'utf8')
.then(undefined, err => err.code === 'ENOENT' ? Promise.resolve('{}') : Promise.reject(err))
.then<{ [id: string]: boolean }>(raw => { try { return JSON.parse(raw); } catch (e) { return {}; } })
.then(uninstalled => { result = fn(uninstalled); return uninstalled; })
.then(uninstalled => {
if (Object.keys(uninstalled).length === 0) {
return pfs.rimraf(this.uninstalledPath);
} else {
const raw = JSON.stringify(uninstalled);
return pfs.writeFile(this.uninstalledPath, raw);
}
})
.then(() => result);
});
}
async removeExtension(extension: ILocalExtension, type: string): Promise<void> {
this.logService.trace(`Deleting ${type} extension from disk`, extension.identifier.id, extension.location.fsPath);
await pfs.rimraf(extension.location.fsPath);
this.logService.info('Deleted from disk', extension.identifier.id, extension.location.fsPath);
}
async removeUninstalledExtension(extension: ILocalExtension): Promise<void> {
await this.removeExtension(extension, 'uninstalled');
await this.withUninstalledExtensions(uninstalled => delete uninstalled[new ExtensionIdentifierWithVersion(extension.identifier, extension.manifest.version).key()]);
}
private extractAtLocation(identifier: IExtensionIdentifier, zipPath: string, location: string, token: CancellationToken): Promise<void> {
this.logService.trace(`Started extracting the extension from ${zipPath} to ${location}`);
return pfs.rimraf(location)
.then(
() => extract(zipPath, location, { sourcePath: 'extension', overwrite: true }, token)
.then(
() => this.logService.info(`Extracted extension to ${location}:`, identifier.id),
e => pfs.rimraf(location).finally(() => { })
.then(() => Promise.reject(new ExtensionManagementError(e.message, e instanceof ExtractError && e.type ? e.type : INSTALL_ERROR_EXTRACTING)))),
e => Promise.reject(new ExtensionManagementError(this.joinErrors(e).message, INSTALL_ERROR_DELETING)));
}
private rename(identifier: IExtensionIdentifier, extractPath: string, renamePath: string, retryUntil: number): Promise<void> {
return pfs.rename(extractPath, renamePath)
.then(undefined, error => {
if (isWindows && error && error.code === 'EPERM' && Date.now() < retryUntil) {
this.logService.info(`Failed renaming ${extractPath} to ${renamePath} with 'EPERM' error. Trying again...`, identifier.id);
return this.rename(identifier, extractPath, renamePath, retryUntil);
}
return Promise.reject(new ExtensionManagementError(error.message || localize('renameError', "Unknown error while renaming {0} to {1}", extractPath, renamePath), error.code || INSTALL_ERROR_RENAMING));
});
}
private async scanSystemExtensions(): Promise<ILocalExtension[]> {
this.logService.trace('Started scanning system extensions');
const systemExtensionsPromise = this.scanDefaultSystemExtensions();
if (this.environmentService.isBuilt) {
return systemExtensionsPromise;
}
// Scan other system extensions during development
const devSystemExtensionsPromise = this.scanDevSystemExtensions();
const [systemExtensions, devSystemExtensions] = await Promise.all([systemExtensionsPromise, devSystemExtensionsPromise]);
return [...systemExtensions, ...devSystemExtensions];
}
private async scanExtensionsInDir(dir: string, type: ExtensionType): Promise<ILocalExtension[]> {
const limiter = new Limiter<any>(10);
const extensionsFolders = await pfs.readdir(dir);
const extensions = await Promise.all<ILocalExtension>(extensionsFolders.map(extensionFolder => limiter.queue(() => this.scanExtension(extensionFolder, dir, type))));
return extensions.filter(e => e && e.identifier);
}
private async scanExtension(folderName: string, root: string, type: ExtensionType): Promise<ILocalExtension | null> {
if (type === ExtensionType.User && folderName.indexOf('.') === 0) { // Do not consider user extension folder starting with `.`
return null;
}
const extensionPath = path.join(root, folderName);
try {
const children = await pfs.readdir(extensionPath);
const { manifest, metadata } = await this.readManifest(extensionPath);
const readme = children.filter(child => /^readme(\.txt|\.md|)$/i.test(child))[0];
const readmeUrl = readme ? URI.file(path.join(extensionPath, readme)) : undefined;
const changelog = children.filter(child => /^changelog(\.txt|\.md|)$/i.test(child))[0];
const changelogUrl = changelog ? URI.file(path.join(extensionPath, changelog)) : undefined;
const identifier = { id: getGalleryExtensionId(manifest.publisher, manifest.name) };
const local = <ILocalExtension>{ type, identifier, manifest, location: URI.file(extensionPath), readmeUrl, changelogUrl, publisherDisplayName: null, publisherId: null, isMachineScoped: false };
if (metadata) {
this.setMetadata(local, metadata);
}
return local;
} catch (e) {
this.logService.trace(e);
return null;
}
}
private async scanDefaultSystemExtensions(): Promise<ILocalExtension[]> {
const result = await this.scanExtensionsInDir(this.systemExtensionsPath, ExtensionType.System);
this.logService.trace('Scanned system extensions:', result.length);
return result;
}
private async scanDevSystemExtensions(): Promise<ILocalExtension[]> {
const devSystemExtensionsList = this.getDevSystemExtensionsList();
if (devSystemExtensionsList.length) {
const result = await this.scanExtensionsInDir(this.devSystemExtensionsPath, ExtensionType.System);
this.logService.trace('Scanned dev system extensions:', result.length);
return result.filter(r => devSystemExtensionsList.some(id => areSameExtensions(r.identifier, { id })));
} else {
return [];
}
}
private setMetadata(local: ILocalExtension, metadata: IMetadata): void {
local.publisherDisplayName = metadata.publisherDisplayName || null;
local.publisherId = metadata.publisherId || null;
local.identifier.uuid = metadata.id;
local.isMachineScoped = !!metadata.isMachineScoped;
}
private async removeUninstalledExtensions(): Promise<void> {
const uninstalled = await this.getUninstalledExtensions();
const extensions = await this.scanAllUserExtensions(); // All user extensions
const installed: Set<string> = new Set<string>();
for (const e of extensions) {
if (!uninstalled[new ExtensionIdentifierWithVersion(e.identifier, e.manifest.version).key()]) {
installed.add(e.identifier.id.toLowerCase());
}
}
const byExtension: ILocalExtension[][] = groupByExtension(extensions, e => e.identifier);
await Promise.all(byExtension.map(async e => {
const latest = e.sort((a, b) => semver.rcompare(a.manifest.version, b.manifest.version))[0];
if (!installed.has(latest.identifier.id.toLowerCase())) {
this._onDidRemoveExtension.fire(latest);
}
}));
const toRemove: ILocalExtension[] = extensions.filter(e => uninstalled[new ExtensionIdentifierWithVersion(e.identifier, e.manifest.version).key()]);
await Promise.all(toRemove.map(e => this.removeUninstalledExtension(e)));
}
private async removeOutdatedExtensions(): Promise<void> {
const extensions = await this.scanAllUserExtensions();
const toRemove: ILocalExtension[] = [];
// Outdated extensions
const byExtension: ILocalExtension[][] = groupByExtension(extensions, e => e.identifier);
toRemove.push(...flatten(byExtension.map(p => p.sort((a, b) => semver.rcompare(a.manifest.version, b.manifest.version)).slice(1))));
await Promise.all(toRemove.map(extension => this.removeExtension(extension, 'outdated')));
}
private getDevSystemExtensionsList(): string[] {
return (this.productService.builtInExtensions || []).map(e => e.name);
}
private joinErrors(errorOrErrors: (Error | string) | (Array<Error | string>)): Error {
const errors = Array.isArray(errorOrErrors) ? errorOrErrors : [errorOrErrors];
if (errors.length === 1) {
return errors[0] instanceof Error ? <Error>errors[0] : new Error(<string>errors[0]);
}
return errors.reduce<Error>((previousValue: Error, currentValue: Error | string) => {
return new Error(`${previousValue.message}${previousValue.message ? ',' : ''}${currentValue instanceof Error ? currentValue.message : currentValue}`);
}, new Error(''));
}
private _devSystemExtensionsPath: string | null = null;
private get devSystemExtensionsPath(): string {
if (!this._devSystemExtensionsPath) {
this._devSystemExtensionsPath = path.normalize(path.join(getPathFromAmdModule(require, ''), '..', '.build', 'builtInExtensions'));
}
return this._devSystemExtensionsPath;
}
private async readManifest(extensionPath: string): Promise<{ manifest: IExtensionManifest; metadata: IMetadata | null; }> {
const promises = [
pfs.readFile(path.join(extensionPath, 'package.json'), 'utf8')
.then(raw => this.parseManifest(raw)),
pfs.readFile(path.join(extensionPath, 'package.nls.json'), 'utf8')
.then(undefined, err => err.code !== 'ENOENT' ? Promise.reject<string>(err) : '{}')
.then(raw => JSON.parse(raw))
];
const [{ manifest, metadata }, translations] = await Promise.all(promises);
return {
manifest: localizeManifest(manifest, translations),
metadata
};
}
private parseManifest(raw: string): Promise<{ manifest: IExtensionManifest; metadata: IMetadata | null; }> {
return new Promise((c, e) => {
try {
const manifest = JSON.parse(raw);
const metadata = manifest.__metadata || null;
delete manifest.__metadata;
c({ manifest, metadata });
} catch (err) {
e(new Error(localize('invalidManifest', "Extension invalid: package.json is not a JSON file.")));
}
});
}
}