feat (guard): add possibility to get access token from cookie (closes #8)

Author: maxgalbu

adonis-typings/index.ts

@@ -1,3 +1,5 @@
+import { HttpContextContract } from '@ioc:Adonis/Core/HttpContext';
+
 declare module "@ioc:Adonis/Addons/Jwt" {
     import {
         DatabaseTokenProviderConfig,
@@ -89,6 +91,11 @@ declare module "@ioc:Adonis/Addons/Jwt" {
          * User provider
          */
         provider: ProvidersList[Provider]["config"];
+
+        /**
+         * Default JWT uses the ctx.request.header("Authorization")
+         */
+        getBearerToken?: (ctx: HttpContextContract) => string
     };
 
     /**

lib/Guards/JwtGuard.ts

@@ -464,6 +464,14 @@ export class JWTGuard extends BaseGuard<"jwt"> implements JWTGuardContract<any,
      * Returns the bearer token
      */
     private getBearerToken(): string {
+        if (this.config.getBearerToken) {
+            try {
+                return this.config.getBearerToken(this.ctx);
+            } catch (error) {
+                throw new JwtAuthenticationException(error.message);
+            }
+        }
+
         /**
          * Ensure the "Authorization" header value exists
          */