diff --git a/.github/dependabot.yml b/.github/dependabot.yml index 4a23b1b76..96241539a 100644 --- a/.github/dependabot.yml +++ b/.github/dependabot.yml @@ -221,7 +221,24 @@ updates: versions: [">18.18"] - package-ecosystem: npm - directory: /examples/node-rl + directory: /examples/nodejs-express-rl + schedule: + # Our dependencies should be checked daily + interval: daily + assignees: + - blaine-arcjet + reviewers: + - blaine-arcjet + commit-message: + prefix: deps(example) + prefix-development: deps(example) + groups: + dependencies: + patterns: + - "*" + + - package-ecosystem: npm + directory: /examples/nodejs-rl schedule: # Our dependencies should be checked daily interval: daily @@ -236,8 +253,3 @@ updates: dependencies: patterns: - "*" - ignore: - # Ignore updates to the @types/node package due to conflict between - # Headers in DOM. - - dependency-name: "@types/node" - versions: [">18.18"] diff --git a/examples/nodejs-express-rl/.env.local.example b/examples/nodejs-express-rl/.env.local.example new file mode 100644 index 000000000..0c183c7ac --- /dev/null +++ b/examples/nodejs-express-rl/.env.local.example @@ -0,0 +1 @@ +ARCJET_KEY= \ No newline at end of file diff --git a/examples/nodejs-express-rl/README.md b/examples/nodejs-express-rl/README.md new file mode 100644 index 000000000..e78ef0299 --- /dev/null +++ b/examples/nodejs-express-rl/README.md @@ -0,0 +1,42 @@ + + + + Arcjet Logo + + + +# Arcjet Rate Limit with Express for Node.js + +This example shows how to use Arcjet with a Node.js +[Express](https://expressjs.com/) server. + +## How to use + +1. From the root of the project, install the SDK dependencies. + + ```bash + npm ci + ``` + +2. Enter this directory and install the example's dependencies. + + ```bash + cd examples/nodejs-express + npm ci + ``` + +3. Rename `.env.local.example` to `.env.local` and add your Arcjet key. + +4. Start the server. + + ```bash + npm start + ``` + + This assumes you're using Node.js 20 or later because the `start` script + loads a local environment file with `--env-file`. If you're using an older + version of Node.js, you can use a package like + [dotenv](https://www.npmjs.com/package/dotenv) to load the environment file. + +5. Visit `http://localhost:3000/`. +6. Refresh the page to trigger the rate limit. diff --git a/examples/nodejs-express-rl/index.js b/examples/nodejs-express-rl/index.js new file mode 100644 index 000000000..09c4950ff --- /dev/null +++ b/examples/nodejs-express-rl/index.js @@ -0,0 +1,38 @@ +import arcjet, { fixedWindow } from "@arcjet/node"; +import express from "express"; + +const app = express(); +const port = 3000; + +const aj = arcjet({ + // Get your site key from https://app.arcjet.com and set it as an environment + // variable rather than hard coding. + key: process.env.ARCJET_KEY, + rules: [ + // Fixed window rate limit. Arcjet also supports sliding window and token + // bucket. + fixedWindow({ + mode: "LIVE", // will block requests. Use "DRY_RUN" to log only + // Limiting by ip.src is the default if not specified + //characteristics: ["ip.src"], + window: "1m", // 1 min fixed window + max: 1, // allow a single request (for demo purposes) + }), + ], +}); + +app.get('/', async (req, res) => { + const decision = await aj.protect(req); + + if (decision.isDenied()) { + res.writeHead(429, { "Content-Type": "application/json" }); + res.end(JSON.stringify({ error: "Too Many Requests" })); + } else { + res.writeHead(200, { "Content-Type": "application/json" }); + res.end(JSON.stringify({ message: "Hello World" })); + } +}) + +app.listen(port, () => { + console.log(`Example app listening on port ${port}`) +}) \ No newline at end of file diff --git a/examples/nodejs-express-rl/package-lock.json b/examples/nodejs-express-rl/package-lock.json new file mode 100644 index 000000000..6d5ffde82 --- /dev/null +++ b/examples/nodejs-express-rl/package-lock.json @@ -0,0 +1,752 @@ +{ + "name": "nodejs-express", + "version": "0.1.0", + 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"node --env-file .env.local ./index.js" + }, + "dependencies": { + "@arcjet/node": "file:../../arcjet-next", + "express": "^4.18.3" + }, + "devDependencies": { + "@types/node": "^20", + "typescript": "^5" + } +} \ No newline at end of file diff --git a/examples/nodejs-express-rl/tsconfig.json b/examples/nodejs-express-rl/tsconfig.json new file mode 100644 index 000000000..6cc6ccf92 --- /dev/null +++ b/examples/nodejs-express-rl/tsconfig.json @@ -0,0 +1,8 @@ +{ + "compilerOptions": { + "allowJs": true, + "noEmit": true + }, + "include": ["index.js"], + "exclude": ["node_modules"] +} diff --git a/examples/nodejs-rl/README.md b/examples/nodejs-rl/README.md index 294050fab..b5417485d 100644 --- a/examples/nodejs-rl/README.md +++ b/examples/nodejs-rl/README.md @@ -32,5 +32,10 @@ This example shows how to use Arcjet with a Node.js server. npm start ``` + This assumes you're using Node.js 20 or later because the `start` script + loads a local environment file with `--env-file`. If you're using an older + version of Node.js, you can use a package like + [dotenv](https://www.npmjs.com/package/dotenv) to load the environment file. + 5. Visit `http://localhost:3000/`. 6. Refresh the page to trigger the rate limit. diff --git a/examples/nodejs-rl/index.js b/examples/nodejs-rl/index.js index 6a27187a9..5818cbf03 100644 --- a/examples/nodejs-rl/index.js +++ b/examples/nodejs-rl/index.js @@ -2,9 +2,8 @@ import arcjet, { fixedWindow } from "@arcjet/node"; import * as http from "node:http"; const aj = arcjet({ - // Get your site key from https://app.arcjet.com - // and set it as an environment variable rather than hard coding. - // See: https://nextjs.org/docs/app/building-your-application/configuring/environment-variables + // Get your site key from https://app.arcjet.com and set it as an environment + // variable rather than hard coding. key: process.env.ARCJET_KEY, rules: [ // Fixed window rate limit. Arcjet also supports sliding window and token @@ -31,4 +30,4 @@ const server = http.createServer(async function (req, res) { } }); -server.listen(3000); +server.listen(3000); \ No newline at end of file