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proxy connection errors no longer crash the server, fixes #37

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This commit is contained in:
Lloyd Brookes
2016-05-31 09:31:44 +01:00
parent 4ae36ffe63
commit 497653d92e
4 changed files with 20 additions and 10 deletions
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21
lib/middleware.js
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@ -15,14 +15,13 @@ exports.blacklist = blacklist
exports.mockResponses = mockResponses
exports.mime = mime
function proxyRequest (route, app) {
function proxyRequest (route) {
const httpProxy = require('http-proxy')
const proxy = httpProxy.createProxyServer({
changeOrigin: true
})
return function proxyMiddleware () {
const next = arguments[arguments.length - 1]
const keys = []
route.re = pathToRegexp(route.from, keys)
route.new = this.url.replace(route.re, route.to)
@ -33,17 +32,19 @@ function proxyRequest (route, app) {
.replace(re, arguments[index + 1] || '')
})
this.response = false
debug('proxy request', `from: ${this.path}, to: ${url.parse(route.new).href}`)
proxy.once('error', err => {
this.throw(500, `[PROXY] ${err.message}: ${route.new}`)
return new Promise((resolve, reject) => {
proxy.once('error', err => {
err.message = `[PROXY] Error: ${err.message} Target: ${route.new}`
reject(err)
})
proxy.once('proxyReq', function (proxyReq) {
proxyReq.path = url.parse(route.new).path
})
proxy.once('close', resolve)
proxy.web(this.req, this.res, { target: route.new })
})
proxy.once('proxyReq', function (proxyReq) {
proxyReq.path = url.parse(route.new).path
})
proxy.web(this.req, this.res, { target: route.new })
}
}