From d35821b915f4f79cc9d64bc7664786741f1b474f Mon Sep 17 00:00:00 2001
From: nzambello <nzambello@protonmail.com>
Date: Mon, 25 Mar 2024 11:17:19 +0200
Subject: [PATCH] first commit

---
 .dockerignore                |   4 +
 .editorConfig                |  12 +++
 .gitea/workflows/publish.yml |  63 +++++++++++++
 .gitignore                   | 175 +++++++++++++++++++++++++++++++++++
 Dockerfile                   |   6 ++
 README.md                    |  67 ++++++++++++++
 bun.lockb                    | Bin 0 -> 15908 bytes
 docker-compose.yml           |  10 ++
 index.ts                     |  99 ++++++++++++++++++++
 package.json                 |  17 ++++
 tsconfig.json                |   7 ++
 11 files changed, 460 insertions(+)
 create mode 100644 .dockerignore
 create mode 100644 .editorConfig
 create mode 100644 .gitea/workflows/publish.yml
 create mode 100644 .gitignore
 create mode 100644 Dockerfile
 create mode 100644 README.md
 create mode 100755 bun.lockb
 create mode 100644 docker-compose.yml
 create mode 100644 index.ts
 create mode 100644 package.json
 create mode 100644 tsconfig.json

diff --git a/.dockerignore b/.dockerignore
new file mode 100644
index 0000000..75ab70a
--- /dev/null
+++ b/.dockerignore
@@ -0,0 +1,4 @@
+node_modules
+docs
+data
+.gitea
diff --git a/.editorConfig b/.editorConfig
new file mode 100644
index 0000000..afbd9e3
--- /dev/null
+++ b/.editorConfig
@@ -0,0 +1,12 @@
+[*]
+indent_style = space
+end_of_line = lf
+insert_final_newline = true
+trim_trailing_whitespace = true
+charset = utf-8
+
+[{*.css,*.scss,*.less,*.overrides,*.variables}]
+indent_size = 4
+
+[{*.js,*.jsx,*.json,*.ts,*.tsx}]
+indent_size = 2
\ No newline at end of file
diff --git a/.gitea/workflows/publish.yml b/.gitea/workflows/publish.yml
new file mode 100644
index 0000000..2d9b43b
--- /dev/null
+++ b/.gitea/workflows/publish.yml
@@ -0,0 +1,63 @@
+name: Docker CI
+
+on:
+  push:
+    branches:
+      - main
+
+env:
+  node-version: 20.x
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    container:
+      image: catthehacker/ubuntu:act-latest
+    env:
+      DOCKER_ORG: nzambello
+      DOCKER_LATEST: nightly
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v4
+        with:
+          images: |
+            git.nzambello.dev/nzambello/resize-img-api
+          labels: |
+            org.label-schema.docker.cmd=docker run -d -p 8787:8787 git.nzambello.dev/nzambello/resize-img-api:latest
+          flavor: latest=false
+          tags: |
+            type=ref,event=branch
+            type=sha
+            type=raw,value=latest,enable={{is_default_branch}}
+
+      - name: Login to Container Registry
+        uses: docker/login-action@v2
+        with:
+          registry: git.nzambello.dev
+          username: ${{ gitea.repository_owner }}
+          password: ${{ secrets.ACTIONS_TOKEN }}
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v2
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+
+      - name: Build and push
+        uses: docker/build-push-action@v4
+        with:
+          context: .
+          file: ./Dockerfile
+          platforms: linux/amd64,linux/arm64
+          push: ${{ gitea.event_name != 'pull_request' }}
+          tags: |
+            git.nzambello.dev/nzambello/resize-img-api:latest
+          labels: $${{ steps.meta.outputs.labels }}
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..9b1ee42
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,175 @@
+# 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
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..6b247cd
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,6 @@
+FROM oven/bun:alpine
+WORKDIR /app
+COPY . .
+RUN bun install --production --frozen-lockfile
+CMD ["bun", "start"]
+EXPOSE 8787
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..5b840bd
--- /dev/null
+++ b/README.md
@@ -0,0 +1,67 @@
+# resize-img-api
+
+The structure of the API path is:
+
+```
+/api/imgresize/:width/:height/:url
+```
+
+Where `:width` and `:height` can be numbers in pixels or `auto`.
+
+The `:url` is the URL of the image to be resized and should be URL encoded, which can be done in JS with `encodeURIComponent`(). See [MDN ref](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/encodeURIComponent).
+
+Example encoded URL for [https://memori.ai/logo.png](https://memori.ai/logo.png):
+
+```
+https%3A%2F%2Fmemori.ai%2Flogo.png
+```
+
+Then call the API as, for example:
+
+```
+/api/imgresize/200/200/https%3A%2F%2Fmemori.ai%2Flogo.png
+```
+
+You can also specify a format using the querystring `?format=` and indicating one of the following: avif, gif, heif, jpeg, jpg, jp2, pdf, png, svg, tiff, webp.
+
+## Docker
+
+To build the Docker image:
+
+```bash
+docker build -t resize-img-api .
+```
+
+To run the Docker container:
+
+```bash
+docker run -p 8787:8787 resize-img-api
+```
+
+Using the published image:
+
+```bash
+docker run -p 8787:8787 git.nzambello.dev/nzambello/resize-img-api:latest
+```
+
+## Development
+
+To install dependencies:
+
+```bash
+bun install
+```
+
+To run:
+
+```bash
+bun start
+```
+
+Or in development mode with hot reloading:
+
+```bash
+bun dev
+```
+
+This project was created using `bun init` in bun v1.0.26. [Bun](https://bun.sh) is a fast all-in-one JavaScript runtime.
diff --git a/bun.lockb b/bun.lockb
new file mode 100755
index 0000000000000000000000000000000000000000..11294b041737cd549e0a37fd48f6505fb414b61d
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diff --git a/docker-compose.yml b/docker-compose.yml
new file mode 100644
index 0000000..ff559ae
--- /dev/null
+++ b/docker-compose.yml
@@ -0,0 +1,10 @@
+version: "3.8"
+
+services:
+  resize-image-api:
+    image: nzambello/resize-image-api:latest
+    build:
+      context: .
+      dockerfile: Dockerfile
+    ports:
+      - "8787:8787"
diff --git a/index.ts b/index.ts
new file mode 100644
index 0000000..33840ab
--- /dev/null
+++ b/index.ts
@@ -0,0 +1,99 @@
+import { Hono } from "hono";
+import { cors } from "hono/cors";
+import { etag } from "hono/etag";
+import { logger } from "hono/logger";
+import { prettyJSON } from "hono/pretty-json";
+import { html } from "hono/html";
+import sharp from "sharp";
+
+const homepage = html`
+<!DOCTYPE html>
+<html lang="en" data-theme="dark">
+  <head>
+    <meta charSet="utf-8" />
+    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1" />
+    <meta name="og:type" content="website" />
+
+    <title>Resize Images API</title>
+    <meta name="description" content="Resize images via API">
+
+    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/@picocss/pico@2/css/pico.min.css" />
+  </head>
+  <body>
+    <main class="container">
+      <h1>Resize images API</h1>
+      <style>
+        h1 {
+          margin-top: 2rem;
+          margin-bottom: 3rem;
+          text-align: center;
+        }
+      </style>
+
+      <article style="max-width: 600px; margin-left: auto; margin-right: auto; padding: 3rem 2rem;">
+      <p>The structure of the API path is:</p>
+      <p><pre>/api/imgresize/:width/:height/:url</pre></p>
+      <p>Where <code>width</code> and <code>height</code> can be numbers in pixels or <code>auto</code>.</p>
+      <p>The URL should be URL encoded, which can be done in JS with <code>encodeURIComponent</code>. See <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/encodeURIComponent" target="_blank" rel="noopener noreferrer">MDN ref</a>.</p>
+      <p>Example for <a href="https://memori.ai/logo.png" target="_blank" rel="noopener noreferrer">https://memori.ai/logo.png</a>:</p>
+      <p><pre>https%3A%2F%2Fmemori.ai%2Flogo.png</pre></p>
+      <p>Then call the API as, for example:</p>
+      <p><pre>/api/imgresize/200/200/https%3A%2F%2Fmemori.ai%2Flogo.png</pre></p>
+      <p>You can also specify a format using the querystring <code>?format=</code> and indicating one of the following: avif, gif, heif, jpeg, jpg, jp2, pdf, png, svg, tiff, webp.</p>
+      </article>
+    </main>
+  </body>
+</html>
+`;
+
+const app = new Hono();
+app.use(prettyJSON());
+app.use(etag(), logger());
+
+app.use("/api/*", cors());
+
+app.get("/", (c) => {
+  return c.html(homepage);
+});
+
+app.get("/api/imgresize/:width/:height/:url", async (c) => {
+  const { width, height, url } = c.req.param();
+  const format = c.req.query("format");
+
+  c.header("Cache-Control", "s-maxage=31536000, stale-while-revalidate");
+  c.header("Content-Type", `image/jpeg`);
+
+  const decodedUrl = decodeURIComponent(url as string);
+
+  const readStream = await fetch(decodedUrl, { cache: "no-cache" });
+  const input = Buffer.from(await readStream.arrayBuffer());
+
+  const w = width && width !== "auto" ? Number(width) : undefined;
+  const h = height && height !== "auto" ? Number(height) : undefined;
+
+  const outputBuffer = await sharp(input)
+    // outputBuffer contains JPEG image data
+    // no wider and no higher than w and h pixels
+    // and no larger than the input image
+    .resize({
+      width: w,
+      height: h,
+      fit: sharp.fit.inside,
+      withoutEnlargement: true,
+    })
+    .toFormat(
+      format && sharp.format[format as keyof typeof sharp.format] !== undefined
+        ? sharp.format[format as keyof typeof sharp.format]
+        : sharp.format.jpeg
+    )
+    .toBuffer();
+
+  c.status(200);
+  return c.body(outputBuffer);
+});
+
+export default {
+  port: Bun.env.PORT || 8787,
+  fetch: app.fetch,
+};
diff --git a/package.json b/package.json
new file mode 100644
index 0000000..72eafa7
--- /dev/null
+++ b/package.json
@@ -0,0 +1,17 @@
+{
+  "name": "resize-img-api",
+  "scripts": {
+    "dev": "bun run --hot index.ts",
+    "start": "bun run index.ts"
+  },
+  "dependencies": {
+    "hono": "^4.1.4",
+    "sharp": "^0.33.3"
+  },
+  "devDependencies": {
+    "@types/bun": "latest"
+  },
+  "peerDependencies": {
+    "typescript": "^5.0.0"
+  }
+}
diff --git a/tsconfig.json b/tsconfig.json
new file mode 100644
index 0000000..9136c14
--- /dev/null
+++ b/tsconfig.json
@@ -0,0 +1,7 @@
+{
+  "compilerOptions": {
+    "strict": true,
+    "jsx": "react-jsx",
+    "jsxImportSource": "hono/jsx"
+  }
+}