80 lines
2.2 KiB
JavaScript
80 lines
2.2 KiB
JavaScript
const express = require('express');
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const { execute } = require('../../shared/execute');
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const { languages } = require('./languages');
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const { checkSchema, validationResult } = require('express-validator');
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const PORT = 2000;
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const app = express();
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app.use(express.json());
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app.post(
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'/execute',
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checkSchema({
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language: {
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in: 'body',
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notEmpty: {
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errorMessage: 'No language supplied',
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},
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isString: {
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errorMessage: 'Supplied language is not a string',
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},
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custom: {
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options: value => value && languages.find(language => language.aliases.includes(value.toLowerCase())),
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errorMessage: 'Supplied language is not supported by Piston',
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},
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},
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source: {
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in: 'body',
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notEmpty: {
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errorMessage: 'No source supplied',
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},
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isString: {
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errorMessage: 'Supplied source is not a string',
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},
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},
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args: {
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in: 'body',
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optional: true,
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isArray: {
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errorMessage: 'Supplied args is not an array',
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},
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},
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stdin: {
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in: 'body',
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optional: true,
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isString: {
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errorMessage: 'Supplied stdin is not a string',
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},
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}
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}),
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async (req, res) => {
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const errors = validationResult(req).array();
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if (errors.length === 0) {
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const language = languages.find(language =>
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language.aliases.includes(req.body.language.toLowerCase())
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);
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const { stdout, stderr, output, ran } = await execute(language, req.body.source, req.body.stdin, req.body.args);
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res.status(200).json({
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ran,
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language: language.name,
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version: language.version,
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stdout,
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stderr,
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output,
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});
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} else {
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res.status(400).json({
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message: errors[0].msg,
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});
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}
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},
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);
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app.get('/versions', (_, res) => res.json(languages));
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app.listen(PORT, () => console.log(`Listening on port ${PORT}`));
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