key store

lib/Gateway.ts

@@ -7,27 +7,31 @@ interface GatewayOptions {
 }
 
 class GatewayClass {
-  private options: GatewayOptions;
+  private _options: GatewayOptions;
 
   public constructor (options: GatewayOptions) {
-    this.options = options;
+    this._options = options;
   }
 
   private redirect (res): void {
     res.statusCode = 302;
-    res.setHeader ('Location', this.options.redirect_url);
+    res.setHeader ('Location', this._options.redirect_url);
     res.end ();
   }
 
-  private async authenticate (req): Promise<boolean> {
+  private async authenticate (req: Request): Promise<boolean> {
+    await Promise.resolve (req.body);
     return false;
   }
 
-  public async process_request (req: Request, res: Response, next: AnyFunc): Promise<void> {
+  public async process_request (
+    req: Request,
+    res: Response,
+    next: AnyFunc
+  ): Promise<void> {
     if (await this.authenticate (req))
-      next ();
-    else
-      this.redirect (res);
+      return next ();
+    return this.redirect (res);
   }
 }
 

lib/KeyStore.ts

@@ -0,0 +1,26 @@
+import { create_salt } from '@sapphirecode/crypto-helper';
+
+class KeyStore {
+  private _keys: Record<string, string> = {};
+
+  public get_key (iat: number, valid_for = 0): string {
+    const key = Math.floor (iat / 60)
+      .toFixed (0);
+
+    if (typeof this._keys[key] === 'string')
+      return this._keys[key];
+
+    if (valid_for !== 0) {
+      this._keys[key] = create_salt ();
+      setTimeout (() => {
+        delete this._keys[key];
+      }, (valid_for + 5) * 1000);
+      return this._keys[key];
+    }
+
+    throw new Error ('key could not be found');
+  }
+}
+
+const ks: KeyStore = (new KeyStore);
+export default ks;