Add URL logging option

package.json

@@ -11,7 +11,8 @@
   "dependencies": {
     "cors": "^2.7.1",
     "express": "^4.13.4",
-    "npm-http-server": "^2.9.1"
+    "npm-http-server": "^2.9.1",
+    "on-finished": "^2.3.0"
   },
   "repository": {
     "type": "git",

server.js

@@ -1,17 +1,33 @@
-const createRequestHandler = require('npm-http-server').createRequestHandler
-const express = require('express')
 const cors = require('cors')
+const express = require('express')
+const createRequestHandler = require('npm-http-server').createRequestHandler
+const onFinished = require('on-finished')
 
 const registryURL = process.env.npm_package_config_registryURL
 const bowerBundle = process.env.npm_package_config_bowerBundle
 const redirectTTL = process.env.npm_package_config_redirectTTL
 const autoIndex = process.env.npm_package_config_autoIndex
 const port = process.env.PORT || process.env.npm_package_config_port
+
+const requestLogging = () =>
+  (req, res, next) => {
+    onFinished(res, () => {
+      if (res.statusCode === 200)
+        console.log(req.url)
+    })
+
+    next()
+  }
+
 const app = express()
 
 app.disable('x-powered-by')
 app.use(cors())
 app.use(express.static('public', { maxAge: 60000 }))
+
+if (process.env.LOG_URLS)
+  app.use(requestLogging())
+
 app.use(createRequestHandler({
   registryURL: registryURL,
   bowerBundle: bowerBundle,