Merge pull request #47 from NonozgYtb/master

fix: add refreshToken function and fix JWT parser

Author: maelgangloff

src/index.ts

@@ -105,6 +105,7 @@ export class Skolengo {
     this.config = {
       httpClient: config?.httpClient ?? axios.create({ baseURL: BASE_URL }),
       onTokenRefresh: config?.onTokenRefresh ?? (() => {}),
+      refreshToken: config?.refreshToken,
       handlePronoteError: config?.handlePronoteError ?? false
     }
   }
@@ -1056,7 +1057,9 @@ export class Skolengo {
    */
   public getTokenClaims (): IdTokenClaims {
     if (this.tokenSet.id_token === undefined) throw new TypeError('id_token not present in TokenSet')
-    return JSON.parse(atob((this.tokenSet.id_token).split('.')[1]))
+    const dataPart = this.tokenSet.id_token.split('.')?.at(1)?.replace(/-/g, '+').replace(/_/g, '/')
+    if (dataPart === undefined || dataPart.trim().length === 0) throw new TypeError('Invalid id_token')
+    return JSON.parse(atob(dataPart))
   }
 
   /**