mip-validator/src/http.js

MIP validator

const Validator = require('..')
const url = require('url')
const http = require('http')
const usage = [
    'Usage:',
    '    GET / for help',
    '    POST /validate with HTML body to validate',
    '    POST /validate?fast=true with HTML body to fast validate'
].join('\n')

function mkServer(rules) {
    var validator = rules ? Validator(rules) : Validator()
    var routes = {}
    var server = mkRouter(routes)

    routes['/'] = function(req, res) {
        res.end(usage)
    }

    routes['/validate'] = function(req, res) {
        var fastMode = (req.params.fast === 'true')
        var result = validator.validate(req.body, { fastMode: fastMode })
        res.setHeader('Content-Type', 'application/json')
        res.end(JSON.stringify(result, null, 4))
    }

    return server
}

function mkRouter(routes) {
    return http.createServer((req, res) => {
        var data = ''
        req.on('data', (chunk) => {
            data += chunk
        })
        req.on('end', () => {
            var urlObj = url.parse(req.url, true)
            var route = routes[urlObj.pathname]
            if (!route) {
                res.statusCode = 404
                return res.end()
            }
            req.params = urlObj.query
            req.body = data
            route(req, res)
        })
    })
}

module.exports = mkServer