90 lines
No EOL
2.6 KiB
JavaScript
90 lines
No EOL
2.6 KiB
JavaScript
var https = require("https");
|
|
var http = require("http");
|
|
var fs = require('fs');
|
|
var config = require("./config.json");
|
|
|
|
var maxDownloadBytes = config.settings.max_download_bytes; //deafults to 10mb
|
|
|
|
function download(url, dest, cb) {
|
|
|
|
var file = null;
|
|
var httpOrHttps = https;
|
|
url.startsWith("https:") ? httpOrHttps = https : httpOrHttps = http;
|
|
|
|
var request = httpOrHttps.get(url, (response) => {
|
|
console.log("Download started! url: "+url);
|
|
var size;
|
|
try {
|
|
size = parseInt(response.headers["content-length"]);
|
|
} catch(e) {size = null;}
|
|
|
|
if(response.headers["content-disposition"] != null && dest == undefined) {//get name from headers if it exists
|
|
dest = "./"+response.headers["content-disposition"].toString().split("filename=")[1].replace(/\//g, "").replace(/\"/g, "").replace(/\'/g, "").replace(/\`/g, "");
|
|
}
|
|
if(dest == undefined || dest == "./") {
|
|
if(url.toLowerCase().endsWith(".mid") || url.toLowerCase().endsWith(".midi")) {
|
|
var split = url.split("/");
|
|
dest = "./"+split[split.length - 1];
|
|
} else {
|
|
dest = "./song.mid";
|
|
}
|
|
}
|
|
if(fs.existsSync(dest)) {
|
|
fs.unlinkSync(dest);
|
|
}
|
|
file = fs.createWriteStream(dest);
|
|
|
|
if (size != null) {
|
|
if (size > maxDownloadBytes) {
|
|
if (cb) cb(`File was too big max allowed ${formatBytes(maxDownloadBytes)} (${maxDownloadBytes}) Recieved ${formatBytes(size)} (${size}) [header]`);
|
|
request.abort();
|
|
fs.unlink(dest, () => { });
|
|
return;
|
|
}
|
|
}
|
|
|
|
response.on("data", (data) => {
|
|
size = 0;
|
|
size += data.length;
|
|
|
|
if (size > maxDownloadBytes) {
|
|
if (cb) cb(`File was too big max allowed ${formatBytes(maxDownloadBytes)} (${maxDownloadBytes}) Recieved ${formatBytes(size)} (${size}) [data.length]`);
|
|
|
|
request.abort();
|
|
fs.unlink(dest);
|
|
return;
|
|
}
|
|
}).pipe(file);
|
|
|
|
response.on("error", (err) => {
|
|
request.abort();
|
|
fs.unlink(dest, () => { });
|
|
if (cb) cb(err.message);
|
|
})
|
|
|
|
file.on("finish", () => {
|
|
file.close(() => {
|
|
cb(undefined, dest);
|
|
});
|
|
});
|
|
|
|
}).on("error", (err) => {
|
|
request.abort();
|
|
fs.unlink(dest, () => { });
|
|
if (cb) cb(err.message);
|
|
});
|
|
};
|
|
|
|
module.exports.download = download;
|
|
|
|
function formatBytes(bytes, decimals = 2) {
|
|
if (bytes === 0) return '0 Bytes';
|
|
|
|
const k = 1024;
|
|
const dm = decimals < 0 ? 0 : decimals;
|
|
const sizes = ['Bytes', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB'];
|
|
|
|
const i = Math.floor(Math.log(bytes) / Math.log(k));
|
|
|
|
return parseFloat((bytes / Math.pow(k, i)).toFixed(dm)) + ' ' + sizes[i];
|
|
} |