UNPKG

@jsjoeio/code-server

Version:

Run VS Code on a remote server.

140 lines 5.6 kB
"use strict"; var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) { if (k2 === undefined) k2 = k; Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } }); }) : (function(o, m, k, k2) { if (k2 === undefined) k2 = k; o[k2] = m[k]; })); var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) { Object.defineProperty(o, "default", { enumerable: true, value: v }); }) : function(o, v) { o["default"] = v; }); var __importStar = (this && this.__importStar) || function (mod) { if (mod && mod.__esModule) return mod; var result = {}; if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k); __setModuleDefault(result, mod); return result; }; Object.defineProperty(exports, "__esModule", { value: true }); exports.UpdateProvider = void 0; const logger_1 = require("@coder/logger"); const http = __importStar(require("http")); const https = __importStar(require("https")); const semver = __importStar(require("semver")); const url = __importStar(require("url")); const constants_1 = require("./constants"); const settings_1 = require("./settings"); /** * Provide update information. */ class UpdateProvider { constructor( /** * The URL for getting the latest version of code-server. Should return JSON * that fulfills `LatestResponse`. */ latestUrl = "https://api.github.com/repos/cdr/code-server/releases/latest", /** * Update information will be stored here. If not provided, the global * settings will be used. */ settings = settings_1.settings) { this.latestUrl = latestUrl; this.settings = settings; this.updateInterval = 1000 * 60 * 60 * 24; // Milliseconds between update checks. } /** * Query for and return the latest update. */ async getUpdate(force) { // Don't run multiple requests at a time. if (!this.update) { this.update = this._getUpdate(force); this.update.then(() => (this.update = undefined)); } return this.update; } async _getUpdate(force) { const now = Date.now(); try { let { update } = !force ? await this.settings.read() : { update: undefined }; if (!update || update.checked + this.updateInterval < now) { const buffer = await this.request(this.latestUrl); const data = JSON.parse(buffer.toString()); update = { checked: now, version: data.name.replace(/^v/, "") }; await this.settings.write({ update }); } logger_1.logger.debug("got latest version", logger_1.field("latest", update.version)); return update; } catch (error) { logger_1.logger.error("Failed to get latest version", logger_1.field("error", error.message)); return { checked: now, version: "unknown", }; } } /** * Return true if the currently installed version is the latest. */ isLatestVersion(latest) { logger_1.logger.debug("comparing versions", logger_1.field("current", constants_1.version), logger_1.field("latest", latest.version)); try { return semver.lte(latest.version, constants_1.version); } catch (error) { return true; } } async request(uri) { const response = await this.requestResponse(uri); return new Promise((resolve, reject) => { const chunks = []; let bufferLength = 0; response.on("data", (chunk) => { bufferLength += chunk.length; chunks.push(chunk); }); response.on("error", reject); response.on("end", () => { resolve(Buffer.concat(chunks, bufferLength)); }); }); } async requestResponse(uri) { let redirects = 0; const maxRedirects = 10; return new Promise((resolve, reject) => { const request = (uri) => { logger_1.logger.debug("Making request", logger_1.field("uri", uri)); const httpx = uri.startsWith("https") ? https : http; const client = httpx.get(uri, { headers: { "User-Agent": "code-server" } }, (response) => { if (!response.statusCode || response.statusCode < 200 || response.statusCode >= 400) { response.destroy(); return reject(new Error(`${uri}: ${response.statusCode || "500"}`)); } if (response.statusCode >= 300) { response.destroy(); ++redirects; if (redirects > maxRedirects) { return reject(new Error("reached max redirects")); } if (!response.headers.location) { return reject(new Error("received redirect with no location header")); } return request(url.resolve(uri, response.headers.location)); } resolve(response); }); client.on("error", reject); }; request(uri); }); } } exports.UpdateProvider = UpdateProvider; //# sourceMappingURL=update.js.map