integrated download and hash functionality
This commit is contained in:
FinnHornhoover
parent
2c5337938a
commit
3f56895d3b
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@ -261,181 +261,6 @@ function getCacheInfoCell(versionString, cacheMode) {
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return cellCache;
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}
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function getFileHash(filePath) {
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var readCount = 0;
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var buff = new Buffer(chunkSize);
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var hash = createHash("sha256");
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var file = remotefs.openSync(filePath, "r");
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while ((readCount = remotefs.readSync(file, buff, 0, chunkSize, null)) > 0) {
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hash.update(buff.slice(0, readCount));
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}
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remotefs.closeSync(file);
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return hash.digest(encoding="hex");
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}
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/*
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function downloadFiles(root, client, sizes, hashes, updateCallback, endCallback) {
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if (hashes.length === 0) {
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endCallback();
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return;
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}
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var filePath = Object.keys(hashes)[0];
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var fileHash = hashes[filePath];
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delete hashes[filePath];
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var fullFilePath = path.join(root, filePath);
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var fullCDNPath = "http://" + [cdn, "ff", "big", filePath].join("/");
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if (remotefs.existsSync(fullFilePath) && fileHash === getFileHash(fullFilePath)) {
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console.log(fullFilePath + " is intact, skipping...");
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return;
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}
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downloadFile(client, fullCDNPath, fullFilePath, function () {
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var sizeRead = remotefs.statSync(fullFilePath).size;
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if (fileHash === getFileHash(fullFilePath)) {
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sizes.intact += sizeRead;
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} else {
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sizes.altered += sizeRead;
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}
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console.log(fullFilePath + " was downloaded from " + fullCDNPath);
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setTimeout(function () {
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updateCallback(sizes);
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downloadFiles(root, client, sizes, hashes, updateCallback, endCallback);
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}, 100);
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});
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}
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function downloadFile(client, fullCDNPath, fullFilePath, callback) {
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remotefs.ensureDirSync(path.dirname(fullFilePath));
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var urlParts = url.parse(fullCDNPath);
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var req = client.request("GET", urlParts.path, {
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"Host": urlParts.hostname,
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"Content-Type": "application/octet-stream",
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"Referer": fullCDNPath.split("/").slice(0, 4).join("/") + "/",
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"Connection": "keep-alive",
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});
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var writeStream = remotefs.createWriteStream(fullFilePath);
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var retry = function (err) {
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writeStream.end();
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writeStream.destroy();
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remotefs.removeSync(fullFilePath);
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console.log("Error writing file " + fullFilePath + "\n" + err);
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setTimeout(function () {
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console.log("Retrying " + fullCDNPath);
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downloadFile(client, fullCDNPath, fullFilePath, callback);
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}, 1000);
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}
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writeStream.on("error", retry);
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req.on("response", function (res) {
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if (res.statusCode >= 300) {
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console.log("Error in fetching file " + fullFilePath + " from " + fullCDNPath);
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retry("Status Code: " + res.statusCode);
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return;
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}
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res.pipe(writeStream);
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res.on("end", callback);
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res.on("error", retry);
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});
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req.on("error", retry);
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req.end();
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}
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*/
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function downloadFile(nginxDir, localDir, relativePath, callback) {
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var nginxUrl = path.dirname(nginxDir) + "/" + relativePath;
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var localPath = path.join(localDir, relativePath);
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// Create directories if they don't exist
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var dirName = path.dirname(localPath);
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remotefs.ensureDirSync(dirName);
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// HTTP request to download the file
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var fileStream = remotefs.createWriteStream(localPath);
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var urlParse = url.parse(nginxUrl);
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var client = http.createClient(80, urlParse.hostname);
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var options = {
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url: urlParse.hostname,
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port: 80,
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path: urlParse.path,
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headers: {
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"Host": urlParse.hostname,
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"Content-Type": "application/octet-stream",
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"Referer": nginxDir,
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"Connection": "keep-alive",
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}
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};
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var request = client.request("GET", urlParse.path, options, function(response) {
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// Handle errors
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response.on("error", function(err) {
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console.error("Error downloading " + relativePath + ": " + err.message);
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retryDownload(nginxDir, localDir, relativePath, callback); // Retry download
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});
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response.pipe(fileStream);
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// When the download is complete, invoke the callback
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response.on("end", function() {
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fileStream.end();
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callback(null, relativePath);
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});
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});
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// Handle HTTP errors
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request.on("error", function(err) {
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console.error("Error downloading " + relativePath + ": " + err.message);
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retryDownload(nginxDir, localDir, relativePath, callback); // Retry download
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});
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request.end();
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}
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// Function to retry downloading a file after a delay
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function retryDownload(nginxDir, localDir, relativePath, callback) {
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setTimeout(function() {
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downloadFile(nginxDir, localDir, relativePath, callback);
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}, 1000); // Retry after 1 second
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}
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// Function to download multiple files in parallel
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function downloadFiles(nginxDir, localDir, fileRelativePaths, allDoneCallback) {
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async.eachLimit(
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fileRelativePaths,
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5, // Number of parallel downloads
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function(relativePath, callback) {
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downloadFile(nginxDir, localDir, relativePath, callback);
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},
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function(err) {
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if (err) {
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console.error("Download failed: " + err);
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} else {
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console.log("All files downloaded successfully.");
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allDoneCallback();
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}
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}
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);
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}
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function loadCacheList() {
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var versionjson = remotefs.readJsonSync(versionsPath);
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versionArray = versionjson["versions"];
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@ -516,151 +341,48 @@ function deletePlayableCache(versionString) {
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resetCacheNames();
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if (versionString === "Offline") {
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console.log("Cannot delete Offline directory!");
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return;
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}
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remotefs.removeSync(path.join(cacheRoot, versionString));
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console.log("Playable cache " + versionString + " has been removed!");
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checkPlayableCache(versionString);
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// this updates the labels etc. properly
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ipc.send("hash-check", {
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localDir: cacheRoot,
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cacheMode: "playable",
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versionString: versionString,
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hashes: versionHashes.playable[versionString],
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});
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}
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function downloadOfflineCache(versionString) {
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var buttonDownload = document.getElementById(getCacheButtonID(versionString, "offline", "download"));
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var buttonFix = document.getElementById(getCacheButtonID(versionString, "offline", "fix"));
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var buttonDelete = document.getElementById(getCacheButtonID(versionString, "offline", "delete"));
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var label = document.getElementById(getCacheElemID(versionString, "offline", "label"));
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var version = versionArray.filter(function (value) {
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return value.name === versionString;
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})[0];
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var sizes = {
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intact: 0,
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altered: 0,
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total: version.offline_size
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};
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buttonDownload.setAttribute("disabled", "");
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buttonFix.setAttribute("disabled", "");
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buttonDelete.setAttribute("disabled", "");
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buttonDownload.children[0].setAttribute("class", "fas fa-spinner fa-spin fa-fw");
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buttonFix.children[0].setAttribute("class", "fas fa-spinner fa-spin fa-fw");
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/*
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var client = http.createClient(80, cdn);
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downloadFiles(
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offlineRoot,
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client,
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sizes,
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JSON.parse(JSON.stringify(versionHashes.offline[versionString])),
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function (sizesNow) {
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label.innerHTML = getCacheLabelText(sizesNow);
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},
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function () {
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buttonDownload.children[0].setAttribute("class", "fas fa-download");
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buttonFix.children[0].setAttribute("class", "fas fa-hammer");
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checkOfflineCache(versionString);
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}
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);
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*/
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/*
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downloadFiles(
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version.url,
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offlineRoot,
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Object.keys(JSON.parse(JSON.stringify(versionHashes.offline[versionString]))),
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function () {
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buttonDownload.children[0].setAttribute("class", "fas fa-download");
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buttonFix.children[0].setAttribute("class", "fas fa-hammer");
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checkOfflineCache(versionString);
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}
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);
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*/
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ipc.send("download-files", {
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nginxDir: version.url,
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// download-files will run hash-check after download
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ipc.send("download-files", {
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cdnDir: version.url,
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localDir: offlineRoot,
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fileRelativePaths: Object.keys(versionHashes.offline[versionString]),
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hashes: versionHashes.offline[versionString],
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cacheMode: "offline",
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versionString: versionString,
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});
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});
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}
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function deleteOfflineCache(versionString) {
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remotefs.removeSync(path.join(offlineRoot, versionString));
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console.log("Offline cache " + versionString + " has been removed!");
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checkOfflineCache(versionString);
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}
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function checkPlayableCache(versionString) {
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var button = document.getElementById(getCacheButtonID(versionString, "playable", "delete"));
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var label = document.getElementById(getCacheElemID(versionString, "playable", "label"));
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var sizes = versionSizes.playable[versionString];
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resetCacheNames();
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$.each(versionHashes.playable[versionString], function (filePath, fileHash) {
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var fullFilePath = path.join(cacheRoot, filePath);
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if (remotefs.existsSync(fullFilePath)) {
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var fileSize = remotefs.statSync(fullFilePath).size;
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if (fileHash === getFileHash(fullFilePath)) {
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sizes.intact += fileSize;
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} else {
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sizes.altered += fileSize;
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}
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}
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// this updates the labels etc. properly
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ipc.send("hash-check", {
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localDir: offlineRoot,
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cacheMode: "offline",
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versionString: versionString,
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hashes: versionHashes.offline[versionString],
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});
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if (sizes.intact > 0 || sizes.altered > 0) {
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button.removeAttribute("disabled");
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} else {
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button.setAttribute("disabled", "");
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}
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label.innerHTML = getCacheLabelText(sizes);
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}
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function checkOfflineCache(versionString) {
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var buttonDownload = document.getElementById(getCacheButtonID(versionString, "offline", "download"));
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var buttonFix = document.getElementById(getCacheButtonID(versionString, "offline", "fix"));
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var buttonDelete = document.getElementById(getCacheButtonID(versionString, "offline", "delete"));
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var label = document.getElementById(getCacheElemID(versionString, "offline", "label"));
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var sizes = versionSizes.offline[versionString];
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$.each(versionHashes.offline[versionString], function (filePath, fileHash) {
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var fullFilePath = path.join(offlineRoot, filePath);
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if (remotefs.existsSync(fullFilePath)) {
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var fileSize = remotefs.statSync(fullFilePath).size;
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if (fileHash === getFileHash(fullFilePath)) {
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sizes.intact += fileSize;
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} else {
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sizes.altered += fileSize;
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}
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}
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});
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if (sizes.intact > 0 || sizes.altered > 0) {
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buttonDownload.setAttribute("disabled", "");
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buttonDelete.removeAttribute("disabled");
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} else {
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buttonDownload.removeAttribute("disabled");
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buttonDelete.setAttribute("disabled", "");
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}
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if (sizes.altered > 0) {
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buttonFix.removeAttribute("disabled");
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} else {
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buttonFix.setAttribute("disabled", "");
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}
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label.innerHTML = getCacheLabelText(sizes);
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}
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function resetCacheNames() {
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@ -876,34 +598,81 @@ $("#of-deleteservermodal").on("show.bs.modal", function (e) {
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$("#deleteserver-servername").html(result.description);
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});
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ipc.on("download-update", function (arg) {
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var sizes = versionSizes.offline[arg.versionString];
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sizes.intact += arg.size;
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ipc.on("storage-loading-start", function (arg) {
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var sizes = versionSizes[arg.cacheMode][arg.versionString];
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if (arg.resetIntactSize) {
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sizes.intact = 0;
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}
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sizes.altered = 0;
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var buttonDelete = document.getElementById(getCacheButtonID(arg.versionString, arg.cacheMode, "delete"));
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var buttonDownload = document.getElementById(getCacheButtonID(arg.versionString, arg.cacheMode, "download"));
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var buttonFix = document.getElementById(getCacheButtonID(arg.versionString, arg.cacheMode, "fix"));
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var label = document.getElementById(getCacheElemID(arg.versionString, arg.cacheMode, "label"));
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buttonDelete.setAttribute("disabled", "");
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buttonDelete.children[0].setAttribute("class", "fas fa-spinner fa-spin fa-fw");
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if (arg.cacheMode === "offline") {
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buttonDownload.setAttribute("disabled", "");
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buttonDownload.children[0].setAttribute("class", "fas fa-spinner fa-spin fa-fw");
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buttonFix.setAttribute("disabled", "");
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buttonFix.children[0].setAttribute("class", "fas fa-spinner fa-spin fa-fw");
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}
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var label = document.getElementById(getCacheElemID(arg.versionString, "offline", "label"));
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label.innerHTML = getCacheLabelText(sizes);
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});
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ipc.on("download-success", function (versionString) {
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var buttonDownload = document.getElementById(getCacheButtonID(versionString, "offline", "download"));
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var buttonFix = document.getElementById(getCacheButtonID(versionString, "offline", "fix"));
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buttonDownload.children[0].setAttribute("class", "fas fa-download");
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buttonFix.children[0].setAttribute("class", "fas fa-hammer");
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checkOfflineCache(versionString);
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});
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ipc.on("hash-update", function (arg) {
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ipc.on("storage-label-update", function (arg) {
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var sizes = versionSizes[arg.cacheMode][arg.versionString];
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if (arg.sizes) {
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sizes.intact += arg.sizes.intact;
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sizes.altered += arg.sizes.altered;
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} else {
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sizes.intact = 0;
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sizes.altered = 0;
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}
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sizes.intact += arg.sizes.intact;
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sizes.altered += arg.sizes.altered;
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var label = document.getElementById(getCacheElemID(arg.versionString, arg.cacheMode, "label"));
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label.innerHTML = getCacheLabelText(sizes);
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});
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ipc.on("download-complete", function (arg) {
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ipc.send("hash-check", {
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localDir: (arg.cacheMode === "offline") ? offlineRoot : cacheRoot,
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cacheMode: arg.cacheMode,
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versionString: arg.versionString,
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hashes: versionHashes[arg.cacheMode][arg.versionString],
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});
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});
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ipc.on("hash-check-complete", function (arg) {
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var sizes = versionSizes[arg.cacheMode][arg.versionString];
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var buttonDelete = document.getElementById(getCacheButtonID(arg.versionString, arg.cacheMode, "delete"));
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var buttonDownload = document.getElementById(getCacheButtonID(arg.versionString, arg.cacheMode, "download"));
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var buttonFix = document.getElementById(getCacheButtonID(arg.versionString, arg.cacheMode, "fix"));
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buttonDelete.children[0].setAttribute("class", "fas fa-trash-alt");
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if (arg.cacheMode === "offline") {
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buttonDownload.children[0].setAttribute("class", "fas fa-download");
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buttonFix.children[0].setAttribute("class", "fas fa-hammer");
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}
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if (sizes.intact > 0 || sizes.altered > 0) {
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buttonDelete.removeAttribute("disabled");
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if (arg.cacheMode === "offline") {
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buttonDownload.setAttribute("disabled", "");
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if (sizes.altered > 0 || sizes.intact < sizes.total) {
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buttonFix.removeAttribute("disabled");
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}
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}
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} else {
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buttonDelete.setAttribute("disabled", "");
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if (arg.cacheMode === "offline") {
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buttonDownload.removeAttribute("disabled");
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buttonFix.setAttribute("disabled", "");
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}
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}
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});
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166
index.js
166
index.js
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@ -125,36 +125,62 @@ app.on("ready", function () {
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});
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ipc.on("download-files", function (event, arg) {
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mainWindow.webContents.send("storage-loading-start", {
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cacheMode: arg.cacheMode,
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versionString: arg.versionString,
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resetIntactSize: false,
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});
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downloadFiles(
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arg.nginxDir,
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arg.cdnDir,
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arg.localDir,
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arg.fileRelativePaths,
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function (size) {
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mainWindow.webContents.send("download-update", {
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size: size,
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arg.hashes,
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function (sizes) {
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mainWindow.webContents.send("storage-label-update", {
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cacheMode: arg.cacheMode,
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versionString: arg.versionString,
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sizes: sizes,
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});
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},
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function () {
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mainWindow.webContents.send("download-success", arg.versionString);
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mainWindow.webContents.send("download-complete", {
|
||||
cacheMode: arg.cacheMode,
|
||||
versionString: arg.versionString,
|
||||
});
|
||||
},
|
||||
function (err) {
|
||||
dialog.showErrorBox("Error!", "Download was unsuccessful:\n" + err);
|
||||
}
|
||||
);
|
||||
});
|
||||
|
||||
ipc.on("hash-check", function (event, arg) {
|
||||
mainWindow.webContents.send("hash-update", {
|
||||
mainWindow.webContents.send("storage-loading-start", {
|
||||
cacheMode: arg.cacheMode,
|
||||
versionString: arg.versionString,
|
||||
// no size sent, reset sizes
|
||||
resetIntactSize: true,
|
||||
});
|
||||
|
||||
checkHashes(arg.localDir, arg.hashes, function (sizes) {
|
||||
mainWindow.webContents.send("hash-update", {
|
||||
cacheMode: arg.cacheMode,
|
||||
versionString: arg.versionString,
|
||||
sizes: sizes,
|
||||
});
|
||||
});
|
||||
checkHashes(
|
||||
arg.localDir,
|
||||
arg.hashes,
|
||||
function (sizes) {
|
||||
mainWindow.webContents.send("storage-label-update", {
|
||||
cacheMode: arg.cacheMode,
|
||||
versionString: arg.versionString,
|
||||
sizes: sizes,
|
||||
});
|
||||
},
|
||||
function () {
|
||||
mainWindow.webContents.send("hash-check-complete", {
|
||||
cacheMode: arg.cacheMode,
|
||||
versionString: arg.versionString,
|
||||
});
|
||||
},
|
||||
function (err) {
|
||||
dialog.showErrorBox("Error!", "Could not verify file integrity:\n" + err);
|
||||
}
|
||||
);
|
||||
});
|
||||
});
|
||||
|
||||
|
|
@ -207,78 +233,71 @@ function showMainWindow() {
|
|||
});
|
||||
}
|
||||
|
||||
function downloadFile(nginxDir, localDir, relativePath, callback, updateCallback) {
|
||||
var nginxUrl = path.dirname(nginxDir) + "/" + relativePath;
|
||||
function downloadFile(cdnDir, localDir, relativePath, fileHash, callback, updateCallback) {
|
||||
var nginxUrl = path.dirname(cdnDir) + "/" + relativePath;
|
||||
var localPath = path.join(localDir, relativePath);
|
||||
|
||||
// Create directories if they don't exist
|
||||
var dirName = path.dirname(localPath);
|
||||
fs.ensureDirSync(dirName);
|
||||
|
||||
// HTTP request to download the file
|
||||
var fileStream = fs.createWriteStream(localPath);
|
||||
|
||||
var urlParse = url.parse(nginxUrl);
|
||||
var client = http.createClient(80, urlParse.hostname);
|
||||
var options = {
|
||||
method: "GET",
|
||||
url: urlParse.hostname,
|
||||
port: 80,
|
||||
path: urlParse.path,
|
||||
headers: {
|
||||
"Host": urlParse.hostname,
|
||||
"Content-Type": "application/octet-stream",
|
||||
"Referer": nginxDir,
|
||||
"Connection": "keep-alive",
|
||||
fs.ensureDir(dirName, function (createDirErr) {
|
||||
if (createDirErr) {
|
||||
console.log("Could not create path " + dirName + ": " + createDirErr);
|
||||
callback(createDirErr);
|
||||
return;
|
||||
}
|
||||
};
|
||||
|
||||
var request = client.request("GET", urlParse.path, options);
|
||||
// HTTP request to download the file
|
||||
var fileStream = fs.createWriteStream(localPath);
|
||||
|
||||
request.on("response", function(response) {
|
||||
response.pipe(fileStream);
|
||||
var urlParse = url.parse(nginxUrl);
|
||||
var client = http.createClient(80, urlParse.hostname);
|
||||
var options = {
|
||||
method: "GET",
|
||||
url: urlParse.hostname,
|
||||
port: 80,
|
||||
path: urlParse.path,
|
||||
headers: {
|
||||
"Host": urlParse.hostname,
|
||||
"Content-Type": "application/octet-stream",
|
||||
"Referer": cdnDir,
|
||||
"Connection": "keep-alive",
|
||||
}
|
||||
};
|
||||
|
||||
// When the download is complete, invoke the callback
|
||||
response.on("end", function() {
|
||||
fileStream.end();
|
||||
updateCallback(fs.statSync(localPath).size);
|
||||
callback(null, relativePath);
|
||||
var request = client.request("GET", urlParse.path, options);
|
||||
|
||||
request.on("response", function (response) {
|
||||
response.pipe(fileStream);
|
||||
|
||||
// When the download is complete, invoke the callback
|
||||
response.on("end", function() {
|
||||
fileStream.end();
|
||||
checkHash(localDir, relativePath, fileHash, callback, updateCallback);
|
||||
});
|
||||
|
||||
// Handle errors
|
||||
response.on("error", callback);
|
||||
});
|
||||
|
||||
// Handle errors
|
||||
response.on("error", function(err) {
|
||||
console.error("Error downloading " + relativePath + ": " + err.message);
|
||||
retryDownload(nginxDir, localDir, relativePath, callback, updateCallback); // Retry download
|
||||
});
|
||||
// Handle HTTP errors
|
||||
request.on("error", callback);
|
||||
|
||||
request.end();
|
||||
});
|
||||
|
||||
// Handle HTTP errors
|
||||
request.on("error", function(err) {
|
||||
console.error("Error downloading " + relativePath + ": " + err.message);
|
||||
retryDownload(nginxDir, localDir, relativePath, callback, updateCallback); // Retry download
|
||||
});
|
||||
|
||||
request.end();
|
||||
}
|
||||
|
||||
// Function to retry downloading a file after a delay
|
||||
function retryDownload(nginxDir, localDir, relativePath, callback, updateCallback) {
|
||||
setTimeout(function() {
|
||||
downloadFile(nginxDir, localDir, relativePath, callback, updateCallback);
|
||||
}, 1000); // Retry after 1 second
|
||||
}
|
||||
|
||||
// Function to download multiple files in parallel
|
||||
function downloadFiles(nginxDir, localDir, fileRelativePaths, updateCallback, allDoneCallback) {
|
||||
function downloadFiles(cdnDir, localDir, hashes, updateCallback, allDoneCallback, errorCallback) {
|
||||
async.eachLimit(
|
||||
fileRelativePaths,
|
||||
Object.keys(hashes),
|
||||
5, // Number of parallel downloads
|
||||
function (relativePath, callback) {
|
||||
downloadFile(nginxDir, localDir, relativePath, callback, updateCallback);
|
||||
downloadFile(cdnDir, localDir, relativePath, hashes[relativePath], callback, updateCallback);
|
||||
},
|
||||
function (err) {
|
||||
if (err) {
|
||||
console.error("Download failed: " + err);
|
||||
errorCallback(err);
|
||||
} else {
|
||||
console.log("All files downloaded successfully.");
|
||||
allDoneCallback();
|
||||
|
|
@ -297,8 +316,11 @@ function checkHash(localDir, relativePath, fileHash, callback, updateCallback) {
|
|||
|
||||
fs.open(localPath, "r", function (openErr, file) {
|
||||
if (openErr) {
|
||||
if (openErr.code !== "ENOENT") {
|
||||
if (openErr.code === "ENOENT") {
|
||||
callback();
|
||||
} else {
|
||||
console.log("Error opening file for hash check: " + openErr);
|
||||
callback(openErr);
|
||||
}
|
||||
return;
|
||||
}
|
||||
|
|
@ -310,6 +332,7 @@ function checkHash(localDir, relativePath, fileHash, callback, updateCallback) {
|
|||
updater = function (readErr, readSize) {
|
||||
if (readErr) {
|
||||
console.log("Error reading file for hash check: " + readErr);
|
||||
callback(readErr);
|
||||
} else if (readSize > 0) {
|
||||
hash.update(buff.slice(0, readSize));
|
||||
totalCount += readSize;
|
||||
|
|
@ -323,9 +346,10 @@ function checkHash(localDir, relativePath, fileHash, callback, updateCallback) {
|
|||
fs.close(file, function (fileCloseErr) {
|
||||
if (fileCloseErr) {
|
||||
console.log("Error closing file for hash check: " + fileCloseErr);
|
||||
callback(fileCloseErr);
|
||||
} else {
|
||||
callback(null, relativePath);
|
||||
updateCallback(sizes);
|
||||
callback();
|
||||
}
|
||||
});
|
||||
}
|
||||
|
|
@ -335,8 +359,7 @@ function checkHash(localDir, relativePath, fileHash, callback, updateCallback) {
|
|||
});
|
||||
}
|
||||
|
||||
function checkHashes(localDir, hashes, updateCallback) {
|
||||
console.log(hashes);
|
||||
function checkHashes(localDir, hashes, updateCallback, allDoneCallback, errorCallback) {
|
||||
async.eachLimit(
|
||||
Object.keys(hashes),
|
||||
20,
|
||||
|
|
@ -346,6 +369,9 @@ function checkHashes(localDir, hashes, updateCallback) {
|
|||
function (err) {
|
||||
if (err) {
|
||||
console.log("Hash check failed: " + err);
|
||||
errorCallback(err);
|
||||
} else {
|
||||
allDoneCallback();
|
||||
}
|
||||
}
|
||||
);
|
||||
|
|
|
|||
Loading…
Reference in New Issue