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// Copyright 2022 ilotterytea
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
import { Command } from "commander";
import chalk from "chalk";
import express from "express";
import pck from "./package.json";
import SRouter from "./router";
import { existsSync, mkdirSync, writeFileSync } from "fs";
main();
/**
* The "web server" script.
*/
function main() {
// Obtaining the options that have been provided in the command line interface:
const cli = CLI();
const opts = cli.opts();
try {
// Create the necessary files if the script was started with the --init option:
if (opts.init) {
if (!(existsSync("./options.json"))) {
writeFileSync("./options.json", JSON.stringify({
allowedMIMETypes: [
"image/jpeg",
"image/png",
"image/svg+xml",
"image/tiff",
"image/webp",
"image/gif",
"video/mp4"],
maxFileSizeInBytes: 13107200
}, null, 2), {encoding: "utf-8"});
console.debug(chalk.green("The options file created!"));
}
return;
}
// Run the server if the script was started with the --standalone option:
if (opts.standalone) {
// ExpressJS instance:
const App = express();
// Using an image loader with custom route (--route <value>) on the server:
App.use(opts.route, SRouter);
// Using a static folder. Also, this will be used when viewing uploaded pictures.
App.use(express.static(`${__dirname}/static`));
// Starting the server on the specified port:
App.listen(opts.port, () => {
console.debug(chalk.bgGreen("Server (Image hoster) running on port ", opts.port));
});
}
} catch (err: any) {
console.log(chalk.bgRed(err));
}
}
/**
* Silly command-line interface.
*/
function CLI() {
// New Command instance:
const Program = new Command();
// Setting the information about Program:
Program
.name(pck.displayName)
.description(pck.description)
.version(pck.version);
// Create an option to run this script as a web app:
Program
.option("--standalone", "Run the script as a web app.", false)
.alias("-s");
// The option to be specified as the port in the web app:
Program
.option("--port <value>", "Set the port for standalone app.", "8080")
.alias("-p");
// The route for our image uploader:
Program
.option("--route <value>", "Set the route for standalone app.", "/")
.alias("-r");
// Initialize the first setup of image uploader:
Program
.option("--init", "Create the necessary files for image uploader.", false);
// Parse the process arguments:
Program.parse(process.argv);
return Program;
}
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