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Asyncify EUS #25

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tgpholly merged 1 commit from asyncify into master 2021-03-16 18:53:07 +00:00
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1 changed files with 333 additions and 320 deletions
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EUS.js
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@ -4,7 +4,7 @@ const fs = require("fs"),
busboy = require("connect-busboy"),
randomstring = require("randomstring"),
getSize = require("get-folder-size"),
diskUsage = require("diskusage"),
diskUsage = require("diskusage-ng"),
emoji = require("../misc/emoji_list.json");
// Defines the function of this module
@ -64,18 +64,10 @@ if (!fs.existsSync(__dirname + BASE_PATH + "/config.json")) {
if (validateConfig(eusConfig)) console.log("[EUS] EUS config passed all checks");
}
function cleanURL(url = "") {
return url.split("%20").join(" ").split("%22").join("\"").split("%23").join("#").split("%24").join("$").split("%25").join("%").split("%26").join("&").split("%27").join("'").split("%2B").join("+").split("%2C").join(",").split("%2F").join("/")
.split("%3A").join(":").split("%3B").join(";").split("%3C").join("<").split("%3D").join("=").split("%3E").join(">").split("%3F").join("?")
.split("%40").join("@")
.split("%5B").join("[").split("%5C").join("\\").split("%5D").join("]").split("%5E").join("^")
.split("%60").join("`")
.split("%7B").join("{").split("%7C").join("|").split("%7D").join("}").split("%7E").join("~");
}
// Cache for the file count and space usage, this takes a while to do so it's best to cache the result
let cacheIsReady = false;
async function cacheFilesAndSpace() {
return new Promise((resolve, reject) => {
const startCacheTime = new Date().getTime();
let cachedFilesAndSpace = {
files: {}
@ -89,13 +81,14 @@ async function cacheFilesAndSpace() {
}
// Read all files from the images directory
fs.readdir(__dirname + BASE_PATH + "/i", async (err, files) => {
if (err) throw err;
if (err) reject(err);
else {
// Loop through all files
for (var i = 0; i < files.length; i++) {
// Loop through all accepted file types to check for a match
for (var i1 = 0; i1 < eusConfig.acceptedTypes.length; i1++) {
const jsudfg = files[i].split(".");
if (`.${jsudfg[jsudfg.length-1]}` == eusConfig.acceptedTypes[i1]) {
const readFileName = files[i].split(".");
if (`.${readFileName[readFileName.length-1]}` == eusConfig.acceptedTypes[i1]) {
// There is a match! Add it to the json
cachedFilesAndSpace["files"][eusConfig.acceptedTypes[i1].replace(".", "")]++;
// Also increase the total
@ -112,28 +105,33 @@ async function cacheFilesAndSpace() {
};
// Get the space used on the disk
getSize(__dirname + BASE_PATH + "/i", async (err, size) => {
if (err) throw err;
if (err) reject(err);
else {
// Calculate in different units the space taken up on disk
let sizeOfFolder = (size / 1024 / 1024);
let sizeOfFolder = (size / 2048);
cachedFilesAndSpace["space"]["usage"]["mb"] = sizeOfFolder;
sizeOfFolder = (size / 1024 / 1024 / 1024);
sizeOfFolder = (size / 3072);
cachedFilesAndSpace["space"]["usage"]["gb"] = sizeOfFolder;
cachedFilesAndSpace["space"]["usage"]["string"] = spaceToLowest(size, true);
cachedFilesAndSpace["space"]["usage"]["string"] = await spaceToLowest(size, true);
// Get total disk space
diskUsage.check(__dirname, async (err, data) => {
if (err) throw err;
diskUsage(__dirname, async (err, data) => {
if (err) reject(err);
else {
cachedFilesAndSpace["space"]["total"] = {
value: spaceToLowest(data["total"], false),
mbvalue: (data["total"] / 1024 / 1024),
gbvalue: (data["total"] / 1024 / 1024 / 1024),
stringValue: spaceToLowest(data["total"], true).split(" ")[1].toLowerCase(),
string: spaceToLowest(data["total"], true)
value: await spaceToLowest(data["total"], false),
mbvalue: (data["total"] / 2048),
gbvalue: (data["total"] / 3072),
stringValue: (await spaceToLowest(data["total"], true)).split(" ")[1].toLowerCase(),
string: await spaceToLowest(data["total"], true)
};
cacheIsReady = true;
cacheJSON = JSON.stringify(cachedFilesAndSpace);
resolve(cachedFilesAndSpace);
global.modules.consoleHelper.printInfo(emoji.folder, `Stats api cache took ${new Date().getTime() - startCacheTime}ms`);
}
});
}
});
}
});
});
}
@ -177,13 +175,23 @@ function validateConfig(json) {
else return true;
}
function cleanURL(url = "") {
return url.split("%20").join(" ").split("%22").join("\"").split("%23").join("#").split("%24").join("$").split("%25").join("%").split("%26").join("&").split("%27").join("'").split("%2B").join("+").split("%2C").join(",").split("%2F").join("/")
.split("%3A").join(":").split("%3B").join(";").split("%3C").join("<").split("%3D").join("=").split("%3E").join(">").split("%3F").join("?")
.split("%40").join("@")
.split("%5B").join("[").split("%5C").join("\\").split("%5D").join("]").split("%5E").join("^")
.split("%60").join("`")
.split("%7B").join("{").split("%7C").join("|").split("%7D").join("}").split("%7E").join("~");
}
module.exports = {
extras:function() {
extras:async function() {
// Setup express to use busboy
global.app.use(busboy());
cacheFilesAndSpace();
cacheJSON = JSON.stringify(await cacheFilesAndSpace());
cacheIsReady = true;
},
get:function(req, res) {
get:async function(req, res) {
/*
req - Request from client
res - Response from server
@ -207,17 +215,18 @@ module.exports = {
// Register the time at the start of the request
d = new Date();
startTime = d.getTime();
// Get the requested image
let urs = ""+req.url; urs = urs.split("/")[1];
let urs = `${req.url}`; urs = urs.split("/")[1];
// Get the file type of the image from image_json and make sure it exists
fs.access(__dirname + BASE_PATH + "/i/"+urs+image_json[urs], error => {
fs.access(`${__dirname}${BASE_PATH}/i/${urs}${image_json[urs]}`, (error) => {
if (error) {
// Doesn't exist, handle request normaly
if (req.url === "/") { urs = "/index.html" } else { urs = req.url }
fs.access(__dirname + BASE_PATH + "/files"+urs, error => {
fs.access(`${__dirname}${BASE_PATH}/files${urs}`, (error) => {
if (error) {
// Doesn't exist, send a 404 to the client.
res.status(404).end("404!");
res.status(404).send("404!<hr>EUS");
d = new Date();
endTime = d.getTime();
global.modules.consoleHelper.printInfo(emoji.cross, `${req.method}: ${chalk.red("[404]")} ${req.url} ${endTime - startTime}ms`);
@ -231,14 +240,14 @@ module.exports = {
});
} else {
// Image does exist, send it back.
res.sendFile(__dirname + BASE_PATH + "/i/"+urs+image_json[urs]);
res.sendFile(`${__dirname}${BASE_PATH}/i/${urs}${image_json[urs]}`);
d = new Date();
endTime = d.getTime();
global.modules.consoleHelper.printInfo(emoji.heavy_check, `${req.method}: ${chalk.green("[200]")} ${req.url} ${endTime - startTime}ms`);
}
});
},
post:function(req, res) {
post:async function(req, res) {
/*
req - Request from client
res - Response from server
@ -281,21 +290,23 @@ module.exports = {
// Add image file type to the image_json array
image_json[fileOutName] = `.${filename.split(".")[filename.split(".").length-1]}`;
// Save image_json array to the file
fs.writeFile(`${__dirname}${BASE_PATH}/image-type.json`, JSON.stringify(image_json), function(err) {
if (err) throw err;
fs.writeFile(`${__dirname}${BASE_PATH}/image-type.json`, JSON.stringify(image_json), async (err) => {
if (err) reject(err);
else {
global.modules.consoleHelper.printInfo(emoji.heavy_check, `${req.method}: Upload of ${fileOutName} finished. Took ${endTime - startTime}ms`);
// Send URL of the uploaded image to the client
res.end(eusConfig.baseURL+""+fileOutName);
// Update cached files & space
cacheFilesAndSpace();
cacheJSON = JSON.stringify(await cacheFilesAndSpace());
}
});
});
});
}
}
function handleAPI(req, res) {
async function handleAPI(req, res) {
d = new Date(); startTime = d.getTime();
let jsonaa = {}, filesaa = 0, spaceaa = 0;
switch (req.url.split("?")[0]) {
@ -364,7 +375,8 @@ function handleAPI(req, res) {
const spaceValues = ["B", "KB", "MB", "GB", "TB", "PB", "EB"]; // Futureproofing:tm:
function spaceToLowest(spaceValue, includeStringValue) {
async function spaceToLowest(spaceValue, includeStringValue) {
return new Promise((resolve, reject) => {
// Converts space values to lower values e.g MB, GB, TB etc depending on the size of the number
let i1 = 1;
// Loop through until value is at it's lowest
@ -376,8 +388,9 @@ function spaceToLowest(spaceValue, includeStringValue) {
if (spaceValue >= 1024) i1++;
}
if (includeStringValue) return `${spaceValue.toFixed(2)} ${spaceValues[i1]}`;
else return spaceValue;
if (includeStringValue) resolve(`${spaceValue.toFixed(2)} ${spaceValues[i1]}`);
else resolve(spaceValue);
});
}
module.exports.MOD_FUNC = MODULE_FUNCTION;