Added auto database creation based on sql scripts and jwt key cache

.gitignore

@@ -9,3 +9,5 @@
 _fresh/
 # npm dependencies
 node_modules/
+
+databases/data/

databases/ensure.ts

@@ -0,0 +1,28 @@
+import { Database } from "@db/sqlite";
+
+export default async function ensureDatabases() {
+  for await (const file of Deno.readDir("databases/init")) {
+    if (!file.isFile) {
+      console.warn(`[WARN] Path ${file.name} is not a file.`);
+      continue;
+    }
+
+    const databaseName = file.name.substring(0, file.name.length - 4);
+    const databasePath = `databases/data/${databaseName}.db`;
+
+    try {
+      await Deno.stat(databasePath);
+    } catch (error) {
+      if (!(error instanceof Deno.errors.NotFound)) {
+        throw error;
+      }
+
+      const sqlInitCode = await Deno.readTextFile(
+        `databases/init/${file.name}`,
+      );
+      const database = new Database(databasePath);
+      database.run(sqlInitCode);
+      database.close();
+    }
+  }
+}

deno.json

@@ -4,9 +4,9 @@
     "check": "deno fmt --check && deno lint && deno check **/*.ts && deno check **/*.tsx",
     "cli": "echo \"import '\\$fresh/src/dev/cli.ts'\" | deno run --unstable -A -",
     "manifest": "deno task cli manifest $(pwd)",
-    "start": "deno run -A --watch=static/,routes/ dev.ts",
+    "start": "deno run -A --unstable-ffi --watch=static/,routes/ dev.ts",
-    "build": "deno run -A dev.ts build",
+    "build": "deno run -A --unstable-ffi dev.ts build",
-    "preview": "deno run -A main.ts",
+    "preview": "deno run -A --unstable-ffi main.ts",
     "update": "deno run -A -r https://fresh.deno.dev/update ."
   },
   "lint": {
@@ -22,6 +22,7 @@
   ],
   "imports": {
     "$fresh/": "https://deno.land/x/fresh@1.7.3/",
+    "@db/sqlite": "jsr:@db/sqlite@^0.12.0",
     "@melvdouc/xml-parser": "jsr:@melvdouc/xml-parser@^0.1.1",
     "@popov/jwt": "jsr:@popov/jwt@^1.0.1",
     "preact": "https://esm.sh/preact@10.22.0",

fresh.config.ts

@@ -1,5 +1,7 @@
 import { defineConfig } from "$fresh/server.ts";
+import ensureDatabases from "$root/databases/ensure.ts";
 
+await ensureDatabases();
 export default defineConfig({
   server: {
     cert: await Deno.readTextFile("certs/cert.pem"),

routes/_middleware.ts

@@ -1,6 +1,7 @@
 import { FreshContext } from "$fresh/server.ts";
 import { getCookies } from "$std/http/cookie.ts";
-import { isJwtValid } from "@popov/jwt";
+import { getJwtPayload, isJwtValid } from "@popov/jwt";
+import { LoginJWT } from "$root/routes/login.tsx";
 
 const PUBLIC_ROUTES = [
   "/",
@@ -11,6 +12,8 @@ const PUBLIC_ROUTES = [
   "/contact",
 ];
 
+const jwtKeyCache: Record<string, string> = {};
+
 export interface State {
   isAuthenticated: boolean;
 }
@@ -19,15 +22,33 @@ function isRoutePublic(route: string) {
   return PUBLIC_ROUTES.includes(route) || route.match(/\..+$/);
 }
 
+export function getKey(user: string): string {
+  if (!jwtKeyCache[user]) {
+    const keyBuffer = new Uint8Array(32);
+    crypto.getRandomValues(keyBuffer);
+    jwtKeyCache[user] = new TextDecoder().decode(keyBuffer);
+  }
+
+  return jwtKeyCache[user];
+}
+
 export const handler = [
   async function checkAuthentication(
     request: Request,
     context: FreshContext<State>,
   ) {
     const cookies = getCookies(request.headers);
+    if (!cookies["sessionToken"]) {
+      context.state.isAuthenticated = false;
+      return await context.next();
+    }
+
+    const content = getJwtPayload(cookies["sessionToken"]) as LoginJWT;
+    const key = getKey(content.user.uid as string);
+
     context.state.isAuthenticated = await isJwtValid(
-      cookies["sessionToken"] ?? "",
+      cookies["sessionToken"],
-      "NEED TO CHANGE THIS KEY FURTHER IN DEV",
+      key,
     );
 
     return await context.next();

routes/login.tsx

@@ -7,6 +7,7 @@ import {
 } from "@melvdouc/xml-parser";
 import { createJwt } from "@popov/jwt";
 import { setCookie } from "$std/http/cookie.ts";
+import { getKey } from "$root/routes/_middleware.ts";
 
 const SERVICE = "https://localhost/login";
 const CAS = "https://ident.univ-amu.fr/cas";
@@ -23,6 +24,14 @@ interface CasResponse extends RegularTagNode {
   children: [TextNode, CasGroupNode];
 }
 
+export interface LoginJWT {
+  iss: "PolyMPR";
+  iat: number;
+  exp: number;
+  aud: "PolyMPR";
+  user: Record<string, string | string[]>;
+}
+
 function getTag(tag: CasTagNode): [string, string] {
   return [
     tag.tagName.replace("cas:", ""),
@@ -55,7 +64,7 @@ function createUserJWT(casResponse: CasResponse): Promise<string> {
     user: fullUserInfos,
   };
 
-  const key = "NEED TO CHANGE THIS KEY FURTHER IN DEV";
+  const key = getKey(fullUserInfos.uid as string);
   return createJwt(payload, key);
 }