mvp of fastify integration

.changeset/good-vans-hide.md

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+---
+"@dmno/fastify-integration": patch
+"dmno": patch
+---
+
+initial version of fastify integration

example-repo/packages/fastify/.dmno/config.mts

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+import { DmnoBaseTypes, defineDmnoService } from 'dmno';
+
+export default defineDmnoService({
+  pick: [],
+  settings: {
+    preventClientLeaks: true
+  },
+  schema: {
+    PORT: {
+      extends: DmnoBaseTypes.port,
+      value: 3001
+    },
+    SOME_SECRET: {
+      value: 'shhh-dont-leak-me',
+      sensitive: true,
+    }
+  },
+});

example-repo/packages/fastify/.dmno/tsconfig.json

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+{
+  "extends": "dmno/tsconfigs/dmno-folder",
+  "include": [
+    "./**/*.mts",
+    "./.typegen/global.d.ts"
+  ]
+}

example-repo/packages/fastify/package.json

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+{
+  "name": "fastify",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "type": "module",
+  "scripts": {
+    "dev": "dmno run -w -- vite-node --watch src/index.ts"
+  },
+  "keywords": [ ],
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "dmno": "link:../../../packages/core",
+    "@dmno/fastify-integration": "link:../../../packages/integrations/fastify",
+    "fastify": "^5.1.0"
+  },
+  "devDependencies": {
+    "@types/node": "^20.12.7",
+    "fastify-tsconfig": "^2.0.0",
+    "vite": "^5",
+    "vite-node": "^2.1.8"
+  }
+}

example-repo/packages/fastify/src/dmno-env.d.ts

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+// inject DMNO_CONFIG global
+/// <reference types="../.dmno/.typegen/global.d.ts" />
+// inject DMNO_PUBLIC_CONFIG global
+/// <reference types="../.dmno/.typegen/global-public.d.ts" />

example-repo/packages/fastify/src/index.ts

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+import Fastify from 'fastify';
+import { dmnoFastifyPlugin } from '@dmno/fastify-integration';
+
+const fastify = Fastify({
+  logger: true,
+  forceCloseConnections: true, // needed for vite-node HMR
+})
+
+// register our DMNO fastify plugin
+fastify.register(dmnoFastifyPlugin);
+
+// ~ ROUTES ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+fastify.get('/', function (request, reply) {
+  console.log('`console.log` tests ---------------------------------------')
+  console.log('log a secret:', DMNO_CONFIG.SOME_SECRET);
+  console.log('log a secret in array:', [DMNO_CONFIG.SOME_SECRET]);
+  console.log('log a secret in obj:', { secret: DMNO_CONFIG.SOME_SECRET });
+
+  console.log('`request.log` tests ---------------------------------------')
+  request.log.info(DMNO_CONFIG.SOME_SECRET, 'asdf'); // added as `msg`
+  request.log.info([DMNO_CONFIG.SOME_SECRET]); // added as `0`
+  request.log.info({ secret: DMNO_CONFIG.SOME_SECRET }); // overwrites keys on the obj
+
+  reply.send({
+    hello: 'world',
+    demos: [
+      `http://${request.host}/leak`,
+      `http://${request.host}/intercept`
+    ]
+  })
+});
+
+fastify.get('/leak', function (request, reply) {
+  // leak the secret as part of the response
+  reply.send({
+    superSecretKey: DMNO_CONFIG.SOME_SECRET,
+    message: 'this endpoint should throw due to leaking a secret in the response',
+  })
+});
+
+fastify.get('/intercept', async function (request, reply) {
+  // send a secret to a domain that is not part of the allow list
+  await fetch('https://api.sampleapis.com/coffee/hot', {
+    headers: {
+      'x-auth': DMNO_CONFIG.SOME_SECRET
+    }
+  });
+
+  reply.send({ message: 'this endpoint should throw due to a leaked secret' });
+});
+
+// ~ START THE SERVER ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+fastify.listen({ port: DMNO_CONFIG.PORT }, function (err, address) {
+  if (err) {
+    fastify.log.error(err)
+    process.exit(1)
+  }
+
+  console.log(`Server now listening @ ${address.replace('[::1]', 'localhost')}`);
+})
+
+
+// ~ Live reload / HMR using vite-node ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+if (import.meta.hot) {
+  import.meta.hot.on("vite:beforeFullReload", async () => {
+    await fastify.close();
+
+  });
+  import.meta.hot.dispose(() => {
+    console.log('hot.dispose');
+    fastify.close()
+  });
+}
+
+process.on('exit', () => {
+  console.log('process.exit');
+  fastify.close()
+})

example-repo/packages/fastify/tsconfig.json

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+{
+  "extends": "fastify-tsconfig",
+  "compilerOptions": {
+    "outDir": "dist",
+    "sourceMap": true,
+    "composite": true,
+    "types": [ "vite/client" ],
+    "strict": true
+  },
+  "include": [
+    "src/**/*.ts"
+  ]
+}