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server.js
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server.js
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var process = require('process')
var restify = require('restify')
var request = require('request')
var qs = require('querystring')
var _ = { defaults: require('lodash/object/defaults') }
;require('dotenv').load({silent: true})
;require('checkenv').check()
var convert = {
query: require('./query'),
response: require('./response')
}
var DEBUG = process.env.DEBUG || false
var PORT = process.env.PORT || 8080
var PROXY_TO = process.env.PROXY_TO.replace(/\/$/, '') // remove trailing slash
var DEFAULT_PARAMS = process.env.DEFAULT_PARAMS ? qs.parse(process.env.DEFAULT_PARAMS) : null
var server = restify.createServer({ name: require('./package.json').name })
server.use(restify.queryParser())
// Catch all requests
server.get(/^\/(.*)/, function (req, res, next) {
// Construct url
var convertedQuery = _.defaults(convert.query(req.query), DEFAULT_PARAMS)
var path = req.params[0].replace(/\/$/, '').replace(/query$/, '') // remove trailing slash and trailing /query
var url = PROXY_TO + '/' + path + '/query'
if (DEBUG) console.log(url, convertedQuery)
// Pass along converted request
request({
url: url,
qs: convertedQuery,
json: true
}, function (err, response, body) {
if (err) {
console.error('Error making request', response)
} else {
// Give the response back
if (body.error) {
body.error.error = true // from soda2 spec
res.send(body.error.code, body.error)
} else {
res.send(res.statusCode, convert.response(body))
}
}
})
})
server.listen(PORT, function () {
console.log('%s listening at %s', server.name, server.url)
})