aboutsummaryrefslogtreecommitdiff
path: root/src
diff options
context:
space:
mode:
Diffstat (limited to 'src')
-rw-r--r--src/requests.js77
-rw-r--r--src/utils.js98
2 files changed, 123 insertions, 52 deletions
diff --git a/src/requests.js b/src/requests.js
new file mode 100644
index 0000000..06c5577
--- /dev/null
+++ b/src/requests.js
@@ -0,0 +1,77 @@
+const { app } = require("electron");
+const path = require("path");
+const fs = require("fs");
+const { https } = require("follow-redirects");
+
+
+// all requests results are stored in this file
+const cachePath = path.join(app.getPath("cache"), "requests.json");
+const NORTHSTAR_LATEST_RELEASE_KEY = "nsLatestRelease";
+
+
+function _saveCache(data) {
+ fs.writeFileSync(cachePath, JSON.stringify(data));
+}
+
+function _getRequestsCache() {
+ if (fs.existsSync(cachePath)) {
+ return JSON.parse(fs.readFileSync(cachePath, "utf8"));
+ } else {
+ fs.writeFileSync(cachePath, "{}");
+ return {};
+ }
+}
+
+// Returns latest Northstar version available from GitHub releases. If
+// there's no cache result for this request, or if cache exists but is
+// old, refreshes cache with new data.
+async function getLatestNsVersion() {
+ return new Promise((resolve, reject) => {
+ let cache = _getRequestsCache();
+
+ if (cache[NORTHSTAR_LATEST_RELEASE_KEY] && (Date.now() - cache[NORTHSTAR_LATEST_RELEASE_KEY]["time"]) < 5 * 60 * 1000) {
+ console.log(`returning ${NORTHSTAR_LATEST_RELEASE_KEY} data from cache`);
+ resolve( cache[NORTHSTAR_LATEST_RELEASE_KEY]["body"]["tag_name"] );
+ } else {
+ https.get({
+ host: "api.github.com",
+ port: 443,
+ path: "/repos/R2Northstar/Northstar/releases/latest",
+ method: "GET",
+ headers: { "User-Agent": "viper" }
+ },
+
+ response => {
+ response.setEncoding("utf8");
+ let responseData = "";
+
+ response.on("data", data => {
+ responseData += data;
+ });
+
+ response.on("end", _ => {
+ cache[NORTHSTAR_LATEST_RELEASE_KEY] = {
+ "time": Date.now(),
+ "body": JSON.parse(responseData)
+ };
+ _saveCache(cache);
+ resolve( cache[NORTHSTAR_LATEST_RELEASE_KEY]["body"]["tag_name"] );
+ });
+ });
+ }
+ });
+}
+
+// Returns the download link to latest Northstar version. Should always
+// be called after getLatestNsVersion, as it refreshes cache data (if
+// needed).
+function getLatestNsVersionLink() {
+ const cache = _getRequestsCache();
+ return cache[NORTHSTAR_LATEST_RELEASE_KEY]["body"].assets[0].browser_download_url;
+}
+
+
+module.exports = {
+ getLatestNsVersion,
+ getLatestNsVersionLink
+};
diff --git a/src/utils.js b/src/utils.js
index d2e6fe6..85db119 100644
--- a/src/utils.js
+++ b/src/utils.js
@@ -7,9 +7,9 @@ const events = new Emitter();
const cli = require("./cli");
const lang = require("./lang");
+const requests = require("./requests");
const unzip = require("unzipper");
-const request = require("request");
const exec = require("child_process").spawn;
const { https } = require("follow-redirects");
@@ -69,7 +69,7 @@ function getNSVersion() {
}
}
-function update() {
+async function update() {
for (let i = 0; i < settings.excludes.length; i++) {
let exclude = path.join(settings.gamepath + "/" + settings.excludes[i]);
if (fs.existsSync(exclude)) {
@@ -81,59 +81,53 @@ function update() {
console.log(lang("cli.update.checking"));
var version = getNSVersion();
- request({
- json: true,
- headers: {"User-Agent": "Viper"},
- url: "https://api.github.com/repos/R2Northstar/Northstar/releases/latest",
- }, (error, response, body) => {
- var tag = body["tag_name"];
-
- if (version === tag) {
- ipcMain.emit("ns-updated");
- console.log(lang("cli.update.uptodate"), version);
-
- winLog(lang("gui.update.uptodate"));
- return;
- } else {
- if (version != "unknown") {
- console.log(lang("cli.update.current"), version);
- }; console.log(lang("cli.update.downloading") + ":", tag);
-
- winLog(lang("gui.update.downloading"));
- }
+ const latestAvailableVersion = await requests.getLatestNsVersion();
+
+ if (version === latestAvailableVersion) {
+ ipcMain.emit("ns-updated");
+ console.log(lang("cli.update.uptodate"), version);
+
+ winLog(lang("gui.update.uptodate"));
+ return;
+ } else {
+ if (version != "unknown") {
+ console.log(lang("cli.update.current"), version);
+ }; console.log(lang("cli.update.downloading") + ":", latestAvailableVersion);
+
+ winLog(lang("gui.update.downloading"));
+ }
+
+ https.get(requests.getLatestNsVersionLink(), (res) => {
+ let stream = fs.createWriteStream(settings.zip);
+ res.pipe(stream);
+
+ let received = 0;
+ res.on("data", (chunk) => {
+ received += chunk.length;
+ winLog(lang("gui.update.downloading") + " " + (received / 1024 / 1024).toFixed(1) + "mb");
+ })
- https.get(body.assets[0].browser_download_url, (res) => {
- let stream = fs.createWriteStream(settings.zip);
- res.pipe(stream);
-
- let received = 0;
- res.on("data", (chunk) => {
- received += chunk.length;
- winLog(lang("gui.update.downloading") + " " + (received / 1024 / 1024).toFixed(1) + "mb");
- })
-
- stream.on("finish", () => {
- stream.close();
- winLog(lang("gui.update.extracting"));
- console.log(lang("cli.update.downloaddone"));
- fs.createReadStream(settings.zip).pipe(unzip.Extract({path: settings.gamepath}))
- .on("finish", () => {
- fs.writeFileSync(path.join(settings.gamepath, "ns_version.txt"), tag);
- ipcMain.emit("getversion");
-
- for (let i = 0; i < settings.excludes.length; i++) {
- let exclude = path.join(settings.gamepath + "/" + settings.excludes[i]);
- if (fs.existsSync(exclude + ".excluded")) {
- fs.renameSync(exclude + ".excluded", exclude)
- }
+ stream.on("finish", () => {
+ stream.close();
+ winLog(lang("gui.update.extracting"));
+ console.log(lang("cli.update.downloaddone"));
+ fs.createReadStream(settings.zip).pipe(unzip.Extract({path: settings.gamepath}))
+ .on("finish", () => {
+ fs.writeFileSync(path.join(settings.gamepath, "ns_version.txt"), latestAvailableVersion);
+ ipcMain.emit("getversion");
+
+ for (let i = 0; i < settings.excludes.length; i++) {
+ let exclude = path.join(settings.gamepath + "/" + settings.excludes[i]);
+ if (fs.existsSync(exclude + ".excluded")) {
+ fs.renameSync(exclude + ".excluded", exclude)
}
+ }
- ipcMain.emit("ns-updated");
- winLog(lang("gui.update.finished"));
- console.log(lang("cli.update.finished"));
- cli.exit();
- });
- })
+ ipcMain.emit("ns-updated");
+ winLog(lang("gui.update.finished"));
+ console.log(lang("cli.update.finished"));
+ cli.exit();
+ });
})
})
}