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## koa-ip <a href="https://communityinviter.com/apps/koa-js/koajs" rel="KoaJs Slack Community"></a> > koa-ip is a ip filter middleware for koa, support `whitelist` and `blacklist`. ### Install ```sh $ npm i koa-ip --save or $ yarn add koa-ip ``` ### Usage ```js ip(String|RegExp) ip(Array{String|RegExp}) ip({ whitelist: Array{String|RegExp}, blacklist: Array{String|RegExp}, handler: async (ctx, next) => {}// handle blacklist ip }) ``` ### Examples ```js const Koa = require('koa') const ip = require('koa-ip') const app = new Koa() app.use(ip('192.168.0.*'))// whitelist // app.use(ip(['192.168.0.*', '8.8.8.[0-3]']))// whitelist // app.use(ip({ // whitelist: ['192.168.0.*', '8.8.8.[0-3]'], // blacklist: ['144.144.*'] // })) app.listen(3000) ``` #### blacklist handler ```js const app = new Koa() app.use((ctx, next) => { ctx.request.ip = '127.0.0.1' return next() }) app.use(ip({ blacklist: ['127.0.0.*'], handler: async (ctx, next) => { ctx.status = 403 } })) app.use((ctx, next) => { ctx.status = 200 }) app.listen(3000) ``` **NB**: If missing blacklist handler, default `ctx.status = 403`. More examples see [test](./__tests__/). ### Test ```sh $ npm test (coverage 100%) or $ yarn test (coverage 100%) ``` ### License MIT
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