feat: add getCustomCookie method

Author: yaroslav8765

adminforth/auth.ts

@@ -107,6 +107,13 @@ class AdminForthAuth implements IAdminForthAuth {
       httpOnly ? ' HttpOnly;' : ''
     } SameSite=Strict; Expires=${new Date(Date.now() + expiry).toUTCString() } `);
   }
+
+  getCustomCookie({ cookies, name }: {
+    cookies: {key: string, value: string}[], name: string
+  }): string | null {
+    const brandSlug = this.adminforth.config.customization.brandNameSlug;
+    return cookies.find((cookie) => cookie.key === `adminforth_${brandSlug}_${name}`)?.value || null;
+  }
 
   issueJWT(payload: Object, type: string, expiresIn: string = '24h'): string {
     // read ADMINFORH_SECRET from environment if not drop error

adminforth/types/Back.ts

@@ -306,6 +306,10 @@ export interface IAdminForthAuth {
 
   removeCustomCookie({response, name}: {response: any, name: string}): void;
 
+  setCustomCookie({response, payload}: {response: any, payload: {name: string, value: string, expiry: number, httpOnly: boolean}}): void;
+
+  getCustomCookie({cookies, name}: {cookies: {key: string, value: string}[], name: string}): string | null;
+
   setAuthCookie({expireInDays, response, username, pk,}: {expireInDays?: number, response: any, username: string, pk: string}): void;
 
   removeAuthCookie(response: any): void;