feat: initial commit

.github/workflows/docker.yaml

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+name: Docker Build
+
+on:
+  push:
+    branches:
+      - master
+  workflow_dispatch:
+
+permissions:
+  packages: write
+  contents: write
+
+env:
+  IMAGE_TAG: ghcr.io/yeecord/api-proxy:latest
+  BUN_VERSION: 1.1.38
+
+jobs:
+  docker:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Log in to ghcr
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - uses: docker/setup-buildx-action@v3
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          push: true
+          tags: ${{ env.IMAGE_TAG }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+          file: action.Dockerfile
+          build-args: |
+            BUN_VERSION=${{ env.BUN_VERSION }}
+          secrets: |
+            "NPM_TOKEN=${{ secrets.GITHUB_TOKEN }}"

.gitignore

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+# Based on https://raw.githubusercontent.com/github/gitignore/main/Node.gitignore
+
+# Logs
+
+logs
+_.log
+npm-debug.log_
+yarn-debug.log*
+yarn-error.log*
+lerna-debug.log*
+.pnpm-debug.log*
+
+# Caches
+
+.cache
+
+# Diagnostic reports (https://nodejs.org/api/report.html)
+
+report.[0-9]_.[0-9]_.[0-9]_.[0-9]_.json
+
+# Runtime data
+
+pids
+_.pid
+_.seed
+*.pid.lock
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+
+lib-cov
+
+# Coverage directory used by tools like istanbul
+
+coverage
+*.lcov
+
+# nyc test coverage
+
+.nyc_output
+
+# Grunt intermediate storage (https://gruntjs.com/creating-plugins#storing-task-files)
+
+.grunt
+
+# Bower dependency directory (https://bower.io/)
+
+bower_components
+
+# node-waf configuration
+
+.lock-wscript
+
+# Compiled binary addons (https://nodejs.org/api/addons.html)
+
+build/Release
+
+# Dependency directories
+
+node_modules/
+jspm_packages/
+
+# Snowpack dependency directory (https://snowpack.dev/)
+
+web_modules/
+
+# TypeScript cache
+
+*.tsbuildinfo
+
+# Optional npm cache directory
+
+.npm
+
+# Optional eslint cache
+
+.eslintcache
+
+# Optional stylelint cache
+
+.stylelintcache
+
+# Microbundle cache
+
+.rpt2_cache/
+.rts2_cache_cjs/
+.rts2_cache_es/
+.rts2_cache_umd/
+
+# Optional REPL history
+
+.node_repl_history
+
+# Output of 'npm pack'
+
+*.tgz
+
+# Yarn Integrity file
+
+.yarn-integrity
+
+# dotenv environment variable files
+
+.env
+.env.development.local
+.env.test.local
+.env.production.local
+.env.local
+
+# parcel-bundler cache (https://parceljs.org/)
+
+.parcel-cache
+
+# Next.js build output
+
+.next
+out
+
+# Nuxt.js build / generate output
+
+.nuxt
+dist
+
+# Gatsby files
+
+# Comment in the public line in if your project uses Gatsby and not Next.js
+
+# https://nextjs.org/blog/next-9-1#public-directory-support
+
+# public
+
+# vuepress build output
+
+.vuepress/dist
+
+# vuepress v2.x temp and cache directory
+
+.temp
+
+# Docusaurus cache and generated files
+
+.docusaurus
+
+# Serverless directories
+
+.serverless/
+
+# FuseBox cache
+
+.fusebox/
+
+# DynamoDB Local files
+
+.dynamodb/
+
+# TernJS port file
+
+.tern-port
+
+# Stores VSCode versions used for testing VSCode extensions
+
+.vscode-test
+
+# yarn v2
+
+.yarn/cache
+.yarn/unplugged
+.yarn/build-state.yml
+.yarn/install-state.gz
+.pnp.*
+
+# IntelliJ based IDEs
+.idea
+
+# Finder (MacOS) folder config
+.DS_Store

.vscode/settings.json

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+{
+  "typescript.tsdk": "node_modules/typescript/lib"
+}

README.md

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+# api-proxy
+
+To install dependencies:
+
+```bash
+bun install
+```
+
+To run:
+
+```bash
+bun run src/index.ts
+```
+
+This project was created using `bun init` in bun v1.1.38. [Bun](https://bun.sh) is a fast all-in-one JavaScript runtime.

action.Dockerfile

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+ARG BUN_VERSION latest
+
+FROM oven/bun:${BUN_VERSION:-1}-alpine AS base
+
+WORKDIR /app
+
+FROM base AS installer
+
+COPY package.json bun.lockb ./
+
+RUN bun install --frozen-lockfile --production
+
+FROM base AS runner
+
+# Install curl for healthcheck
+RUN apk update && apk add curl --no-cache
+
+COPY --from=installer /app/node_modules node_modules
+COPY . .
+
+ENTRYPOINT ["bun", "run"]
+
+CMD ["start"]

package.json

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+{
+  "name": "api-proxy",
+  "module": "src/index.ts",
+  "type": "module",
+  "devDependencies": {
+    "@types/bun": "^1.1.14"
+  },
+  "scripts": {
+    "start": "bun run src/index.ts"
+  },
+  "peerDependencies": {
+    "typescript": "^5.7.2"
+  },
+  "dependencies": {
+    "file-system-cache": "^3.0.0-alpha.8"
+  }
+}

src/index.ts

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+import { handleApiRequest } from "./routes/api";
+
+Bun.serve({
+  fetch(request) {
+    const url = new URL(request.url);
+
+    if (url.pathname.startsWith("/api/")) {
+      return handleApiRequest(request, url);
+    }
+
+    return new Response("Not found", { status: 404 });
+  },
+  port: 3000,
+});

src/routes/api.ts

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+import { cache, createCacheKey } from "../utils";
+
+interface CachedResponse {
+  headers: [string, string][];
+  body: string | null;
+}
+
+export async function handleApiRequest(request: Request, url: URL) {
+  url.hostname = "discord.com";
+  url.port = "443";
+  url.protocol = "https:";
+
+  request.headers.set("Host", "discord.com");
+
+  if (request.method !== "GET") {
+    return fetch(url.toString(), {
+      method: request.method,
+      headers: request.headers,
+      body: request.body,
+    });
+  }
+
+  const cacheKey = createCacheKey(request);
+
+  const existing = (await cache.get(cacheKey)) as CachedResponse | undefined;
+
+  if (existing) {
+    return new Response(existing.body, {
+      headers: new Headers(existing.headers),
+    });
+  }
+
+  const response = await fetch(url.toString(), {
+    method: request.method,
+    headers: request.headers,
+    body: request.body,
+  });
+
+  const content = response.status === 204 ? null : await response.text();
+
+  await cache.set(cacheKey, {
+    headers: [...response.headers.entries()],
+    body: content,
+  } satisfies CachedResponse);
+
+  return new Response(content, {
+    headers: response.headers,
+  });
+}

src/utils.ts

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+import { Cache } from "file-system-cache";
+
+export function createCacheKey(request: Request) {
+  return `${request.method} ${request.url} ${request.headers.get(
+    "Authorization"
+  )}`;
+}
+
+export const cache = new Cache({
+  hash: "sha1",
+  ttl: 60 * 5,
+});

tsconfig.json

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+{
+  "compilerOptions": {
+    // Enable latest features
+    "lib": ["ESNext", "DOM", "DOM.Iterable"],
+    "target": "ESNext",
+    "module": "ESNext",
+    "moduleDetection": "force",
+
+    // Bundler mode
+    "moduleResolution": "bundler",
+    "allowImportingTsExtensions": true,
+    "verbatimModuleSyntax": true,
+    "noEmit": true,
+
+    // Best practices
+    "strict": true,
+    "skipLibCheck": true,
+    "noFallthroughCasesInSwitch": true,
+    "strictNullChecks": true,
+
+    // Some stricter flags (disabled by default)
+    "noUnusedLocals": false,
+    "noUnusedParameters": false,
+    "noPropertyAccessFromIndexSignature": false
+  }
+}