node_modules ignore

server/node_modules/koa-ip/index.js

@@ -0,0 +1,43 @@
+const assert = require('assert')
+const isPlainObject = require('lodash.isplainobject')
+const requestIp = require('request-ip')
+const debug = require('debug')('koa-ip')
+
+module.exports = function (opts) {
+  assert(opts, 'koa-ip missing opts')
+  if (!isPlainObject(opts)) {
+    opts = { whitelist: Array.isArray(opts) ? opts : [opts] }
+  }
+
+  return async function koaIp (ctx, next) {
+    const ip = ctx.ip || requestIp.getClientIp(ctx.req)
+    let pass = true
+
+    if (opts.whitelist && Array.isArray(opts.whitelist)) {
+      pass = opts.whitelist.some((item) => {
+        return new RegExp(item).test(ip)
+      })
+    }
+
+    if (pass && opts.blacklist && Array.isArray(opts.blacklist)) {
+      pass = !opts.blacklist.some((item) => {
+        return new RegExp(item).test(ip)
+      })
+    }
+
+    // pass
+    if (pass) {
+      debug(`${new Date()}: "${ip} -> ✓"`)
+      return next()
+    }
+
+    // not pass
+    if (typeof opts.handler === 'function') {
+      debug(`${new Date()}: "${ip} -> handler"`)
+      await opts.handler(ctx, next)
+    } else {
+      debug(`${new Date()}: "${ip} -> ×"`)
+      ctx.throw(403)
+    }
+  }
+}