From e55a0b2b770797d97a9fd87a0673e0bea0dfb27b Mon Sep 17 00:00:00 2001
From: Yarmo Mackenbach <yarmo@yarmo.eu>
Date: Sat, 27 Jan 2024 21:31:32 +0100
Subject: [PATCH] feat: add version API endpoint

---
 package.json        |  1 +
 src/api/v3/index.js | 11 +++++++++++
 src/index.js        |  5 +++++
 yarn.lock           |  5 +++++
 4 files changed, 22 insertions(+)

diff --git a/package.json b/package.json
index f5ee0e2..2d17a20 100644
--- a/package.json
+++ b/package.json
@@ -29,6 +29,7 @@
   },
   "devDependencies": {
     "@biomejs/biome": "1.2.2",
+    "@richex/git-last-commit": "^2.1.1",
     "@vercel/ncc": "^0.34.0",
     "chai": "^4.3.6",
     "copy-webpack-plugin": "^11.0.0",
diff --git a/src/api/v3/index.js b/src/api/v3/index.js
index 80a0d28..73da0c2 100644
--- a/src/api/v3/index.js
+++ b/src/api/v3/index.js
@@ -30,9 +30,20 @@ more information on this, and how to apply and follow the GNU AGPL, see <https:/
 import express from 'express'
 import keyoxideProfileApiRouter from './keyoxide_profile.js'
 import proxyGetApiRouter from './proxy_get.js'
+import app from '../../index.js'
 
 const router = express.Router()
 
+router.get('/version', async (req, res) => {
+  // TODO Support responding with JSON object when requested
+
+  const versionDetails = (app.get('git_branch') && app.get('git_hash'))
+    ? `+${app.get('git_branch')}.${app.get('git_hash').substring(0, 10)}`
+    : ''
+
+  return res.status(200).contentType('text/plain').send(`${app.get('keyoxide_name')}/${app.get('keyoxide_version')}${versionDetails}`)
+})
+
 if ((process.env.ENABLE_MAIN_MODULE ?? 'true') === 'true') {
   router.use('/profile', keyoxideProfileApiRouter)
 }
diff --git a/src/index.js b/src/index.js
index f583006..8c88dad 100644
--- a/src/index.js
+++ b/src/index.js
@@ -27,6 +27,7 @@ You should also get your employer (if you work as a programmer) or school,
 if any, to sign a "copyright disclaimer" for the program, if necessary. For
 more information on this, and how to apply and follow the GNU AGPL, see <https://www.gnu.org/licenses/>.
 */
+import git from '@richex/git-last-commit'
 import express from 'express'
 import * as httpContext from 'express-http-context2'
 import { nanoid } from 'nanoid'
@@ -45,13 +46,17 @@ dotenv.config()
 
 const app = express()
 const packageData = JSON.parse(readFileSync('./package.json'))
+const commit = await git.getLastCommitAsync()
 
 app.set('env', process.env.NODE_ENV || 'production')
 app.engine('pug', pug.__express).set('view engine', 'pug')
 app.set('port', process.env.PORT || 3000)
 app.set('domain', process.env.DOMAIN)
 app.set('scheme', process.env.SCHEME || 'https')
+app.set('keyoxide_name', 'keyoxide-web')
 app.set('keyoxide_version', packageData.version)
+app.set('git_branch', commit.branch ?? process.env.CI_COMMIT_BRANCH ?? process.env.COMMIT_BRANCH)
+app.set('git_hash', commit.hash ?? process.env.CI_COMMIT_SHA ?? process.env.COMMIT_SHA)
 app.set('onion_url', process.env.ONION_URL)
 
 // Middlewares
diff --git a/yarn.lock b/yarn.lock
index f84820c..59cd22c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -488,6 +488,11 @@
   resolved "https://registry.yarnpkg.com/@polka/url/-/url-1.0.0-next.24.tgz#58601079e11784d20f82d0585865bb42305c4df3"
   integrity sha512-2LuNTFBIO0m7kKIQvvPHN6UE63VjpmL9rnEEaOOaiSPbZK+zUOYIzBAWcED+3XYzhYsd/0mD57VdxAEqqV52CQ==
 
+"@richex/git-last-commit@^2.1.1":
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/@richex/git-last-commit/-/git-last-commit-2.1.1.tgz#b6527ae4223af8143f13e39d8f0cdaeaed7f9ba6"
+  integrity sha512-rNa0hCMyKTJ+qPwyN54FlwTUhDBNNghiQWt0ES27g11iYzyzpLcFBGLKYhDaEEEUPZ7aawXOCEYAwCg5JZ1FAQ==
+
 "@sindresorhus/is@^4.0.0":
   version "4.6.0"
   resolved "https://registry.yarnpkg.com/@sindresorhus/is/-/is-4.6.0.tgz#3c7c9c46e678feefe7a2e5bb609d3dbd665ffb3f"