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authom.js
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authom.js
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var fs = require("fs")
, url = require("url")
, join = require("path").join
, EventEmitter = require("events").EventEmitter
, authom = module.exports = new EventEmitter
authom.servers = {}
authom.customServices = {}
authom.route = /^\/auth\/([^\/]+)\/?$/
authom.createServer = function(options, listener) {
var service = options.service
, name = options.name || service
, path = join(__dirname, "services", service)
, Service
, server
if (!(Service = authom.customServices[name])) {
try { Service = require(path) }
catch (err) { throw "No such service: " + path }
}
server = authom.servers[name] = new Service(options)
server.on("auth", function(req, res, user) {
user.service = name
authom.emit("auth", req, res, user)
})
server.on("error", function(req, res, error) {
error.service = name
authom.emit("error", req, res, error)
})
if (listener) server.on("request", listener)
return server
}
authom.registerService = function(serviceName, Service) {
authom.customServices[serviceName] = Service
}
authom.listener = function(req, res) {
var path = url.parse(req.url).pathname
, match = path.match(authom.route)
, service = match && authom.servers[match[1]]
if (service) {
service.emit("request", req, res)
return true
}
}
authom.listen = function(server) {
var listeners = server.listeners("request")
server.removeAllListeners("request")
server.on("request", function(req, res) {
if (authom.listener(req, res)) return
listeners.forEach(function(listener) {
listener.call(server, req, res)
})
})
}
authom.app = function(req, res) {
var name = req.params.service
, server = authom.servers[name]
server.emit("request", req, res)
}