Basic login.

.gitignore

@@ -0,0 +1,3 @@
+.idea/
+data/
+secrets/

README.md

@@ -1,2 +1,15 @@
-# migo
+# Migo
+
 Micro Go template based content management system.
+
+## Configuration
+
+```
+MIGO_DATA_DIR=data
+MIGO_HOST=localhost:8080
+MIGO_DEBUG=true
+```
+
+## License
+
+AGPLv3

api/auth.go

@@ -0,0 +1,131 @@
+package api
+
+import (
+	"crypto/rand"
+	"crypto/rsa"
+	"crypto/x509"
+	"encoding/pem"
+	"github.com/go-chi/jwtauth/v5"
+	"log"
+	"net/http"
+	"os"
+	"time"
+)
+
+var (
+	jwtAuth *jwtauth.JWTAuth
+)
+
+// GetJWTAuth returns the JWT authorizer.
+func GetJWTAuth() *jwtauth.JWTAuth {
+	return jwtAuth
+}
+
+// InitJWT initializes JWT authentication.
+func InitJWT() {
+	generateRSAKeys()
+	jwtAuth = jwtauth.New("RS256", loadRSAPrivateKey(), loadRSAPublicKey())
+}
+
+func Login(w http.ResponseWriter, r *http.Request) {
+	req := struct {
+		Username string `json:"username"`
+		Password string `json:"password"`
+	}{}
+
+	if err := decodeJSON(w, r, &req); err != nil {
+		return
+	}
+
+	// TODO
+	t, tokenString, _ := jwtAuth.Encode(map[string]interface{}{"username": req.Username})
+	encodeJSON(w, struct {
+		AccessToken string    `json:"access_token"`
+		ExpiresAt   time.Time `json:"expires_at"`
+	}{
+		tokenString,
+		t.Expiration(),
+	})
+}
+
+func generateRSAKeys() {
+	err := os.Mkdir("secrets", 0755)
+
+	if os.IsExist(err) {
+		return
+	} else if err != nil {
+		log.Fatalf("Error creating secrets directory: %v", err)
+	}
+
+	key, err := rsa.GenerateKey(rand.Reader, 4096)
+
+	if err != nil {
+		log.Fatalf("Error generating RSA key: %v", err)
+	}
+
+	pub := key.Public()
+	keyPEM := pem.EncodeToMemory(
+		&pem.Block{
+			Type:  "RSA PRIVATE KEY",
+			Bytes: x509.MarshalPKCS1PrivateKey(key),
+		},
+	)
+	pubPEM := pem.EncodeToMemory(
+		&pem.Block{
+			Type:  "RSA PUBLIC KEY",
+			Bytes: x509.MarshalPKCS1PublicKey(pub.(*rsa.PublicKey)),
+		},
+	)
+
+	if err := os.WriteFile("secrets/jwt.rsa", keyPEM, 0700); err != nil {
+		log.Fatalf("Error writing private RSA key: %v", err)
+	}
+
+	if err := os.WriteFile("secrets/jwt.rsa.pub", pubPEM, 0755); err != nil {
+		log.Fatalf("Error writing public RSA key: %v", err)
+	}
+}
+
+func loadRSAPublicKey() *rsa.PublicKey {
+	data, err := os.ReadFile("secrets/jwt.rsa.pub")
+
+	if err != nil {
+		log.Fatalf("Error loading RSA key: %v", err)
+	}
+
+	block, _ := pem.Decode(data)
+
+	if block == nil {
+		log.Fatalf("Error decoding RSA key: %v", err)
+	}
+
+	key, err := x509.ParsePKCS1PublicKey(block.Bytes)
+
+	if err != nil {
+		log.Fatalf("Error parsing RSA key: %v", err)
+	}
+
+	return key
+}
+
+func loadRSAPrivateKey() *rsa.PrivateKey {
+	data, err := os.ReadFile("secrets/jwt.rsa")
+
+	if err != nil {
+		log.Fatalf("Error loading RSA key: %v", err)
+	}
+
+	block, _ := pem.Decode(data)
+
+	if block == nil {
+		log.Fatalf("Error decoding RSA key: %v", err)
+	}
+
+	key, err := x509.ParsePKCS1PrivateKey(block.Bytes)
+
+	if err != nil {
+		log.Fatalf("Error parsing RSA key: %v", err)
+	}
+
+	return key
+}

api/debug.go

@@ -0,0 +1,33 @@
+package api
+
+import (
+	"encoding/json"
+	"github.com/go-chi/jwtauth/v5"
+	"log"
+	"net/http"
+)
+
+func Debug(w http.ResponseWriter, r *http.Request) {
+	_, claims, err := jwtauth.FromContext(r.Context())
+
+	if err != nil {
+		log.Printf("Error reading token: %v", err)
+		w.WriteHeader(http.StatusBadRequest)
+		return
+	}
+
+	data, err := json.Marshal(struct {
+		Claims map[string]any `json:"claims"`
+	}{
+		claims,
+	})
+
+	if err != nil {
+		log.Printf("Error marshalling response: %v", err)
+		w.WriteHeader(http.StatusBadRequest)
+		return
+	}
+
+	w.Header().Set("Content-Type", "application/json")
+	_, _ = w.Write(data)
+}

api/util.go

@@ -0,0 +1,42 @@
+package api
+
+import (
+	"encoding/json"
+	"io"
+	"log"
+	"net/http"
+	"syscall"
+)
+
+type apiError struct {
+	Validation map[string]string `json:"validation"`
+	Err        []error           `json:"error"`
+}
+
+func decodeJSON(w http.ResponseWriter, r *http.Request, req any) error {
+	body, err := io.ReadAll(r.Body)
+
+	if err != nil {
+		return err
+	}
+
+	if err := json.Unmarshal(body, &req); err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func encodeJSON(w http.ResponseWriter, resp any) {
+	respBody, err := json.Marshal(resp)
+
+	if err != nil {
+		w.WriteHeader(http.StatusInternalServerError)
+		log.Printf("Error marshalling response: %v", err)
+		return
+	}
+
+	if _, err := w.Write(respBody); err != nil && err != syscall.EPIPE {
+		log.Printf("Error sending response: %v", err)
+	}
+}

cmd/admin/.eslintrc.cjs

@@ -0,0 +1,48 @@
+/* eslint-env node */
+require('@rushstack/eslint-patch/modern-module-resolution')
+
+module.exports = {
+  root: true,
+  env: {
+    browser: true,
+    es2021: true,
+    node: true
+  },
+  'extends': [
+    'plugin:vue/vue3-essential',
+    'eslint:recommended',
+    '@vue/eslint-config-typescript'
+  ],
+  parserOptions: {
+    ecmaVersion: 2021
+  },
+  rules: {
+    "no-console": process.env.NODE_ENV === "production" ? "warn" : "off",
+    "no-debugger": process.env.NODE_ENV === "production" ? "warn" : "off",
+    "vue/multi-word-component-names": "off",
+    "indent": "off",
+    "vue/html-indent": ["warn", 4, {
+      "alignAttributesVertically": false
+    }],
+    "vue/script-indent": ["warn", 4, {
+      "baseIndent": 1,
+      "switchCase": 1
+    }],
+    "vue/mustache-interpolation-spacing": ["error", "never"],
+    "vue/v-on-style": ["error", "longform"],
+    "vue/max-attributes-per-line": ["warn", {
+      singleline: {
+        max: 99
+      }
+    }],
+    "vue/singleline-html-element-content-newline": "off",
+    "vue/attributes-order": "off",
+    "vue/first-attribute-linebreak": "off",
+    "vue/attribute-hyphenation": "off",
+    "vue/html-closing-bracket-newline": "off",
+    "vue/v-slot-style": "off",
+    "vue/no-v-html": "off",
+    "vue/html-self-closing": "off",
+    "vue/require-default-prop": "off"
+  }
+}

cmd/admin/.gitignore

@@ -0,0 +1,28 @@
+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+pnpm-debug.log*
+lerna-debug.log*
+
+node_modules
+.DS_Store
+dist
+dist-ssr
+coverage
+*.local
+
+/cypress/videos/
+/cypress/screenshots/
+
+# Editor directories and files
+.vscode/*
+!.vscode/extensions.json
+.idea
+*.suo
+*.ntvs*
+*.njsproj
+*.sln
+*.sw?

cmd/admin/env.d.ts

@@ -0,0 +1 @@
+/// <reference types="vite/client" />

cmd/admin/index.html

@@ -0,0 +1,13 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <link rel="icon" href="/favicon.ico">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Migo Admin</title>
+</head>
+<body>
+    <div id="app"></div>
+    <script type="module" src="/src/main.ts"></script>
+</body>
+</html>

cmd/admin/package.json

@@ -0,0 +1,36 @@
+{
+  "name": "migo",
+  "version": "0.0.0",
+  "private": true,
+  "scripts": {
+    "dev": "vite build --watch",
+    "build": "run-p type-check build-only",
+    "preview": "vite preview",
+    "build-only": "vite build",
+    "type-check": "vue-tsc --noEmit -p tsconfig.app.json --composite false",
+    "lint": "eslint . --ext .vue,.js,.jsx,.cjs,.mjs,.ts,.tsx,.cts,.mts --fix --ignore-path .gitignore"
+  },
+  "dependencies": {
+    "axios": "^1.4.0",
+    "js-cookie": "^3.0.5",
+    "pinia": "^2.1.3",
+    "qs": "^6.11.2",
+    "sass": "^1.63.6",
+    "vue": "^3.3.4",
+    "vue-router": "^4.2.2"
+  },
+  "devDependencies": {
+    "@rushstack/eslint-patch": "^1.2.0",
+    "@tsconfig/node18": "^2.0.1",
+    "@types/node": "^18.16.17",
+    "@vitejs/plugin-vue": "^4.2.3",
+    "@vue/eslint-config-typescript": "^11.0.3",
+    "@vue/tsconfig": "^0.4.0",
+    "eslint": "^8.39.0",
+    "eslint-plugin-vue": "^9.11.0",
+    "npm-run-all": "^4.1.5",
+    "typescript": "~5.0.4",
+    "vite": "^4.3.9",
+    "vue-tsc": "^1.6.5"
+  }
+}

cmd/admin/src/App.vue

@@ -0,0 +1,13 @@
+<template>
+    <router-view />
+</template>
+
+<script lang="ts">
+    import {defineComponent} from "vue";
+
+    export default defineComponent({});
+</script>
+
+<style lang="scss">
+    @import "@/assets/main.scss";
+</style>

cmd/admin/src/assets/main.scss

@@ -0,0 +1,51 @@
+* {
+  box-sizing: border-box;
+}
+
+html, body {
+  padding: 0;
+  margin: 0;
+  font-family: sans-serif;
+  font-size: 18px;
+}
+
+fieldset {
+  border-width: 0;
+  padding: 10px 0;
+  margin: 0;
+}
+
+label {
+  display: block;
+  font-size: 12px;
+  color: #767676;
+}
+
+input, textarea {
+  width: 100%;
+  border: 1px solid #ed6673;
+  border-radius: 3px;
+  padding: 6px;
+}
+
+input[type~="submit"], button {
+  width: auto;
+  border-width: 0;
+  background: #ed6673;
+  color: #fff;
+  padding: 6px 12px;
+  cursor: pointer;
+}
+
+h1 {
+  margin: 0 0 20px 0;
+  font-size: 32px;
+}
+
+.login {
+  max-width: 350px;
+  margin: 200px auto;
+  padding: 20px;
+  border: 1px solid #c5c5c5;
+  border-radius: 3px;
+}

cmd/admin/src/main.ts

@@ -0,0 +1,9 @@
+import { createApp } from "vue";
+import { createPinia } from "pinia";
+import App from "./App.vue";
+import router from "./router";
+
+createApp(App)
+    .use(createPinia())
+    .use(router)
+    .mount("#app");

cmd/admin/src/repositories/APIError.ts

@@ -0,0 +1,8 @@
+export interface Validation {
+    [key: string]: string
+}
+
+export interface APIError {
+    validation: Validation
+    error: string[]
+}

cmd/admin/src/repositories/Repository.ts

@@ -0,0 +1,85 @@
+import {AxiosError, AxiosInstance} from "axios";
+import type {APIError} from "@/repositories/APIError";
+import axios from "@/repositories/axios";
+
+export class Repository {
+    protected axios: AxiosInstance = axios;
+    private controller: Map<string, AbortController> = new Map;
+
+    protected async performGet<T>(endpoint: string, params: unknown, defaultValue: T, disableCancellation?: boolean): Promise<T | APIError> {
+        try {
+            let controller = null;
+
+            if (!disableCancellation) {
+                controller = this.cancel(endpoint);
+            }
+
+            const resp = await this.axios.get<T>(endpoint, {
+                params,
+                signal: controller?.signal
+            });
+            return Promise.resolve<T>(resp.data || defaultValue);
+        } catch (e) {
+            return this.handleException<T>(e, defaultValue);
+        } finally {
+            if (!disableCancellation) {
+                this.clearCancel(endpoint);
+            }
+        }
+    }
+
+    protected async performPost<T>(endpoint: string, data: unknown): Promise<T | APIError> {
+        try {
+            const resp = await this.axios.post<T>(endpoint, data);
+            return Promise.resolve<T>(resp.data);
+        } catch (e) {
+            const err = e as AxiosError;
+            return Promise.reject<APIError>(err);
+        }
+    }
+
+    protected async performPut<T>(endpoint: string, data: unknown): Promise<T | APIError> {
+        try {
+            const resp = await this.axios.put<T>(endpoint, data);
+            return Promise.resolve<T>(resp.data);
+        } catch (e) {
+            const err = e as AxiosError;
+            return Promise.reject<APIError>(err);
+        }
+    }
+
+    protected async performDelete(endpoint: string, params: unknown): Promise<APIError | null> {
+        try {
+            await this.axios.delete<null>(endpoint, {params});
+            return Promise.resolve<null>(null);
+        } catch (e) {
+            return Promise.reject<APIError>(e);
+        }
+    }
+
+    protected handleException<T>(e: unknown, defaultValue: T): Promise<T | APIError> {
+        const err = e as AxiosError;
+
+        if (err.code && err.code === "ERR_CANCELED") {
+            return Promise.resolve<T>(defaultValue);
+        }
+
+        return Promise.reject<APIError>(err);
+    }
+
+    private cancel(name: string): AbortController {
+        const controller = this.controller.get(name);
+
+        if (controller) {
+            controller.abort();
+        }
+
+        const newController = new AbortController();
+        this.controller.set(name, newController);
+        return newController;
+    }
+
+    private clearCancel(name: string) {
+        this.controller.delete(name);
+    }
+}

cmd/admin/src/repositories/UserRepository.ts

@@ -0,0 +1,13 @@
+import {Repository} from "@/repositories/Repository";
+import type {APIError} from "@/repositories/APIError";
+
+export interface TokenResponse {
+    access_token: string
+    expires_at: Date
+}
+
+export const UserRepository = new class extends Repository {
+    async login(username: string, password: string): Promise<TokenResponse | APIError> {
+        return this.performPost<TokenResponse>("/login", {username, password});
+    }
+}

cmd/admin/src/repositories/axios.ts

@@ -0,0 +1,74 @@
+import axios, {AxiosResponse} from "axios";
+import Cookies from "js-cookie";
+import qs from "qs";
+import {APIError} from "@/repositories/APIError";
+
+let refresh: Promise<void | AxiosResponse> | undefined;
+
+const instance = axios.create({
+    baseURL: "/api/v1",
+    timeout: 10000,
+    paramsSerializer: {
+        serialize: params => qs.stringify(params, {arrayFormat: "repeat"})
+    }
+});
+
+instance.interceptors.request.use(config => {
+    const accessToken = Cookies.get("access_token");
+
+    if (accessToken && config && config.headers) {
+        config.headers.Authorization = `Bearer ${accessToken}`;
+    }
+
+    return Promise.resolve(config);
+}, err => {
+    return Promise.reject(err);
+});
+
+instance.interceptors.response.use(resp => {
+    return resp;
+}, err => {
+    if (err.code && err.code === "ERR_CANCELED") {
+        return Promise.reject(err);
+    }
+
+    if (err.response.status === 401 && err.request.path !== "/refresh") {
+        return refreshToken().then(() => {
+            return instance.request(err.config);
+        }).catch(e => {
+            console.error(e);
+            //removeCookies(); TODO
+            localStorage.clear();
+
+            if (e.request.path !== "/login") {
+                location.href = "/login";
+            }
+        });
+    }
+
+    return Promise.reject(err.response.data as APIError);
+});
+
+async function refreshToken() {
+    if (refresh) {
+        return refresh;
+    }
+
+    const refresh_token = Cookies.get("refresh_token");
+    refresh = instance.get("/refresh", {params: {refresh_token}}).then(({data: {access_token}}) => {
+        const now = new Date();
+        const expires = Date.UTC(now.getUTCFullYear()+1, now.getUTCMonth(), now.getUTCDate());
+        Cookies.set("access_token", access_token, {
+            expires: new Date(expires),
+            secure: true,
+            domain: "localhost", //getCookieDomain(), TODO
+            path: "/",
+            sameSite: "strict"
+        });
+        refresh = undefined;
+        return Promise.resolve();
+    });
+    return refresh;
+}
+
+export default instance;

cmd/admin/src/router/index.ts

@@ -0,0 +1,15 @@
+import {createRouter, createWebHistory} from "vue-router";
+import Login from "../views/Login.vue";
+
+const router = createRouter({
+    history: createWebHistory(import.meta.env.BASE_URL),
+    routes: [
+        {
+            path: "/login",
+            name: "login",
+            component: Login
+        }
+    ]
+});
+
+export default router;

cmd/admin/src/stores/counter.ts

@@ -0,0 +1,5 @@
+import {defineStore} from "pinia";
+
+export const useCounterStore = defineStore("counter", () => {
+    return {}
+})

cmd/admin/src/views/Login.vue

@@ -0,0 +1,44 @@
+<template>
+    <div class="login">
+        <h1>Sign In</h1>
+        <form v-on:submit.prevent="login">
+            <fieldset>
+                <label for="username">Username</label>
+                <input type="text" name="username" id="username" v-model="username" />
+            </fieldset>
+            <fieldset>
+                <label for="password">Password</label>
+                <input type="password" name="password" id="password" v-model="password" />
+            </fieldset>
+            <input type="submit" value="Sign In" />
+        </form>
+    </div>
+</template>
+
+<script lang="ts">
+    import {defineComponent, ref} from "vue";
+    import {UserRepository} from "@/repositories/UserRepository";
+
+    export default defineComponent({
+        setup() {
+            const username = ref("");
+            const password = ref("");
+
+            async function login() {
+                try {
+                    const token = await UserRepository.login(username.value, password.value);
+                    console.log(token);
+                } catch (e) {
+                    // TODO
+                    console.error(e);
+                }
+            }
+
+            return {
+                username,
+                password,
+                login
+            };
+        }
+    });
+</script>

cmd/admin/tsconfig.app.json

@@ -0,0 +1,12 @@
+{
+  "extends": "@vue/tsconfig/tsconfig.dom.json",
+  "include": ["env.d.ts", "src/**/*", "src/**/*.vue"],
+  "exclude": ["src/**/__tests__/*"],
+  "compilerOptions": {
+    "composite": true,
+    "baseUrl": ".",
+    "paths": {
+      "@/*": ["./src/*"]
+    }
+  }
+}

cmd/admin/tsconfig.json

@@ -0,0 +1,11 @@
+{
+  "files": [],
+  "references": [
+    {
+      "path": "./tsconfig.node.json"
+    },
+    {
+      "path": "./tsconfig.app.json"
+    }
+  ]
+}

cmd/admin/tsconfig.node.json

@@ -0,0 +1,15 @@
+{
+  "extends": "@tsconfig/node18/tsconfig.json",
+  "include": [
+    "vite.config.*",
+    "vitest.config.*",
+    "cypress.config.*",
+    "nightwatch.conf.*",
+    "playwright.config.*"
+  ],
+  "compilerOptions": {
+    "composite": true,
+    "module": "ESNext",
+    "types": ["node"]
+  }
+}

cmd/admin/vite.config.ts

@@ -0,0 +1,20 @@
+import { fileURLToPath, URL } from 'node:url'
+
+import { defineConfig } from 'vite'
+import vue from '@vitejs/plugin-vue'
+
+// https://vitejs.dev/config/
+export default defineConfig({
+  plugins: [
+    vue(),
+  ],
+  resolve: {
+    alias: {
+      '@': fileURLToPath(new URL('./src', import.meta.url))
+    }
+  },
+  base: "/admin",
+  define: {
+    __VITE_PROD_DEVTOOLS__: false
+  }
+})

cmd/main.go

@@ -0,0 +1,122 @@
+package main
+
+import (
+	"context"
+	"embed"
+	"github.com/Kugelschieber/migo/api"
+	"github.com/Kugelschieber/migo/db"
+	"github.com/go-chi/chi/v5"
+	"github.com/go-chi/chi/v5/middleware"
+	"github.com/go-chi/cors"
+	"github.com/go-chi/jwtauth/v5"
+	"log"
+	"net/http"
+	"os"
+	"os/signal"
+	"path/filepath"
+	"time"
+)
+
+var (
+	//go:embed admin/dist/index.html
+	index []byte
+
+	//go:embed admin/dist/favicon.ico
+	favicon []byte
+
+	//go:embed admin/dist/assets
+	assets embed.FS
+)
+
+func main() {
+	if err := db.Init(); err != nil {
+		log.Fatalf("Error initializing database: %v", err)
+	}
+
+	defer db.Close()
+	api.InitJWT()
+	dev := os.Getenv("MIGO_DEV") != ""
+
+	if dev {
+		log.Println("Running in development mode")
+	}
+
+	router := chi.NewRouter()
+	router.Use(middleware.Recoverer)
+	router.Use(middleware.Compress(5))
+	router.Use(cors.Handler(cors.Options{
+		AllowedOrigins:   []string{"https://*", "http://*"},
+		AllowedMethods:   []string{http.MethodGet, http.MethodPost, http.MethodPut, http.MethodDelete, http.MethodOptions},
+		AllowedHeaders:   []string{"*"},
+		AllowCredentials: true,
+		MaxAge:           86400,
+	}))
+	router.Post("/api/v1/login", api.Login)
+	router.Group(func(r chi.Router) {
+		r.Use(jwtauth.Verifier(api.GetJWTAuth()))
+		r.Use(jwtauth.Authenticator)
+		r.Route("/api/v1", func(r chi.Router) {
+			r.Get("/debug", api.Debug)
+		})
+	})
+	router.Handle("/admin", http.RedirectHandler("/admin/", http.StatusFound))
+	router.Route("/admin/", func(r chi.Router) {
+		if dev {
+			r.Handle("/assets/*", http.StripPrefix("/admin/assets/", http.FileServer(http.Dir("cmd/admin/dist/assets"))))
+			r.Get("/favicon.ico", func(w http.ResponseWriter, r *http.Request) {
+				http.ServeFile(w, r, "cmd/admin/dist/favicon.ico")
+			})
+			r.Get("/*", func(w http.ResponseWriter, r *http.Request) {
+				http.ServeFile(w, r, "cmd/admin/dist/index.html")
+			})
+		} else {
+			fs := http.FileServer(http.FS(assets))
+			r.Handle("/assets/*", http.StripPrefix("/admin/assets/", http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+				r.URL.Path = filepath.Join("admin/dist/assets", r.URL.Path)
+				fs.ServeHTTP(w, r)
+			})))
+			r.Get("/favicon.ico", func(w http.ResponseWriter, r *http.Request) {
+				w.Header().Set("Content-Type", "image/x-icon")
+
+				if _, err := w.Write(favicon); err != nil {
+					w.WriteHeader(http.StatusNotFound)
+				}
+			})
+			r.Get("/*", func(w http.ResponseWriter, r *http.Request) {
+				w.Header().Set("Content-Type", "text/html")
+
+				if _, err := w.Write(index); err != nil {
+					w.WriteHeader(http.StatusNotFound)
+				}
+			})
+		}
+	})
+	router.Get("/", func(w http.ResponseWriter, r *http.Request) {
+		// TODO
+		_, _ = w.Write([]byte("<h1>Hello World!</h1>"))
+	})
+	server := &http.Server{
+		Handler:      router,
+		Addr:         os.Getenv("MIGO_HOST"),
+		WriteTimeout: 30 * time.Second,
+		ReadTimeout:  30 * time.Second,
+	}
+	go func() {
+		sigint := make(chan os.Signal, 1)
+		signal.Notify(sigint, os.Interrupt)
+		<-sigint
+		log.Println("Shutting down server")
+		ctx, cancel := context.WithTimeout(context.Background(), time.Second*10)
+
+		if err := server.Shutdown(ctx); err != nil {
+			log.Printf("Error shutting down server gracefully: %v", err)
+		}
+
+		cancel()
+	}()
+	log.Println("Starting server")
+
+	if err := server.ListenAndServe(); err != nil {
+		log.Fatalf("Error starting server: %v", err)
+	}
+}

db/db.go

@@ -0,0 +1,37 @@
+package db
+
+import (
+	"errors"
+	badger "github.com/dgraph-io/badger/v3"
+	"log"
+	"os"
+)
+
+var (
+	db *badger.DB
+)
+
+// Init initializes the database.
+func Init() error {
+	dataDir := os.Getenv("MIGO_DATA_DIR")
+
+	if dataDir == "" {
+		return errors.New("MIGO_DATA_DIR not configured")
+	}
+
+	var err error
+	db, err = badger.Open(badger.DefaultOptions(dataDir))
+
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
+// Close closes the database connection.
+func Close() {
+	if err := db.Close(); err != nil {
+		log.Printf("Error closing database connection: %v", err)
+	}
+}

go.mod

@@ -0,0 +1,39 @@
+module github.com/Kugelschieber/migo
+
+go 1.20
+
+require (
+	github.com/dgraph-io/badger/v3 v3.2103.5
+	github.com/go-chi/chi/v5 v5.0.10
+	github.com/go-chi/cors v1.2.1
+)
+
+require (
+	github.com/cespare/xxhash v1.1.0 // indirect
+	github.com/cespare/xxhash/v2 v2.1.2 // indirect
+	github.com/decred/dcrd/dcrec/secp256k1/v4 v4.2.0 // indirect
+	github.com/dgraph-io/ristretto v0.1.1 // indirect
+	github.com/dustin/go-humanize v1.0.0 // indirect
+	github.com/go-chi/jwtauth/v5 v5.1.1 // indirect
+	github.com/goccy/go-json v0.10.2 // indirect
+	github.com/gogo/protobuf v1.3.2 // indirect
+	github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b // indirect
+	github.com/golang/groupcache v0.0.0-20190702054246-869f871628b6 // indirect
+	github.com/golang/protobuf v1.3.1 // indirect
+	github.com/golang/snappy v0.0.3 // indirect
+	github.com/google/flatbuffers v1.12.1 // indirect
+	github.com/klauspost/compress v1.12.3 // indirect
+	github.com/lestrrat-go/blackmagic v1.0.1 // indirect
+	github.com/lestrrat-go/httpcc v1.0.1 // indirect
+	github.com/lestrrat-go/httprc v1.0.4 // indirect
+	github.com/lestrrat-go/iter v1.0.2 // indirect
+	github.com/lestrrat-go/jwx/v2 v2.0.11 // indirect
+	github.com/lestrrat-go/option v1.0.1 // indirect
+	github.com/pkg/errors v0.9.1 // indirect
+	github.com/segmentio/asm v1.2.0 // indirect
+	github.com/stretchr/testify v1.8.4 // indirect
+	go.opencensus.io v0.22.5 // indirect
+	golang.org/x/crypto v0.10.0 // indirect
+	golang.org/x/net v0.10.0 // indirect
+	golang.org/x/sys v0.9.0 // indirect
+)

go.sum

@@ -0,0 +1,202 @@
+cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
+github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
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+github.com/cespare/xxhash v1.1.0 h1:a6HrQnmkObjyL+Gs60czilIUGqrzKutQD6XZog3p+ko=
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