fix(oauth2): use normalized path for callback route check (#587)

Author: rajatjindal

lib/schemes/oauth2.js

@@ -1,4 +1,4 @@
-import { encodeQuery, parseQuery } from '../utilities'
+import { encodeQuery, parseQuery, normalizePath } from '../utilities'
 import nanoid from 'nanoid'
 const isHttps = process.server ? require('is-https') : null
 
@@ -132,7 +132,7 @@ export default class Oauth2Scheme {
 
   async _handleCallback (uri) {
     // Handle callback only for specified route
-    if (this.$auth.options.redirect && this.$auth.ctx.route.path !== this.$auth.options.redirect.callback) {
+    if (this.$auth.options.redirect && normalizePath(this.$auth.ctx.route.path) !== normalizePath(this.$auth.options.redirect.callback)) {
       return
     }
     // Callback flow is not supported in server side