Install Prisma

.env.example

@@ -11,4 +11,7 @@ OAUTH2__CLIENT_ID=
 OAUTH2__CLIENT_SECRET=
 
 # Userinfo route
-USERINFO__ROUTE=
+USERINFO__ROUTE=
+
+# Prisma database URL
+DATABASE_URL="file:./data.db"

.gitignore

@@ -19,3 +19,5 @@ Thumbs.db
 # Vite
 vite.config.js.timestamp-*
 vite.config.ts.timestamp-*
+
+data.db*

package.json

@@ -17,6 +17,7 @@
     "@sveltejs/vite-plugin-svelte": "^3.0.0",
     "prettier": "^3.1.1",
     "prettier-plugin-svelte": "^3.1.2",
+    "prisma": "^5.16.2",
     "svelte": "^4.2.7",
     "svelte-check": "^3.6.0",
     "tslib": "^2.4.1",
@@ -25,6 +26,7 @@
   },
   "type": "module",
   "dependencies": {
-    "@fontsource-variable/inter": "^5.0.18"
+    "@fontsource-variable/inter": "^5.0.18",
+    "@prisma/client": "5.16.2"
   }
 }

prisma/migrations/20240710045240_initial_migration/migration.sql

@@ -0,0 +1,9 @@
+-- CreateTable
+CREATE TABLE "Token" (
+    "id" TEXT NOT NULL PRIMARY KEY,
+    "token" TEXT NOT NULL,
+    "refreshToken" TEXT NOT NULL
+);
+
+-- CreateIndex
+CREATE UNIQUE INDEX "Token_id_key" ON "Token"("id");

prisma/migrations/migration_lock.toml

@@ -0,0 +1,3 @@
+# Please do not edit this file manually
+# It should be added in your version-control system (i.e. Git)
+provider = "sqlite"

prisma/schema.prisma

@@ -0,0 +1,17 @@
+// This is your Prisma schema file,
+// learn more about it in the docs: https://pris.ly/d/prisma-schema
+
+generator client {
+  provider = "prisma-client-js"
+}
+
+datasource db {
+  provider = "sqlite"
+  url      = env("DATABASE_URL")
+}
+
+model Token {
+  id String @id @unique @default(uuid())
+  token String
+  refreshToken String
+}

src/lib/index.ts

@@ -1,8 +1,14 @@
 import { error, redirect, type Cookies } from "@sveltejs/kit"
 import configuration from "./configuration"
+import type { User } from "./types"
+import { PrismaClient } from "@prisma/client"
+
+const prisma = new PrismaClient()
 
 // Map of OAuth2 states
 const states = new Map<string, { redirect_uri: string, timeout: ReturnType<typeof setTimeout> }>()
+// Cache of userinfo
+const usercache = new Map<string, User>()
 
 /**
  * @description Launch an OAuth2 login request for this request.