From 86bed3c3bbe3a4ddc10dcc5cbb6f17ae0c21ba2a Mon Sep 17 00:00:00 2001
From: Jakub Sydor <sydorjakub@gmail.com>
Date: Wed, 20 Apr 2022 15:18:46 +0200
Subject: [PATCH] fix: avoid refreshing undefined token

---
 .../classes/modules_assets.AssetsService.md   | 23 +++++++++++--
 .../cache-client/cache-client.service.ts      | 34 ++++++++++++-------
 2 files changed, 42 insertions(+), 15 deletions(-)

diff --git a/docs/api/classes/modules_assets.AssetsService.md b/docs/api/classes/modules_assets.AssetsService.md
index b2b0fbc7..20642c7f 100644
--- a/docs/api/classes/modules_assets.AssetsService.md
+++ b/docs/api/classes/modules_assets.AssetsService.md
@@ -14,6 +14,7 @@
 - [cancelAssetOffer](modules_assets.AssetsService.md#cancelassetoffer)
 - [getAssetById](modules_assets.AssetsService.md#getassetbyid)
 - [getAssetHistory](modules_assets.AssetsService.md#getassethistory)
+- [getAssetOwner](modules_assets.AssetsService.md#getassetowner)
 - [getOfferedAssets](modules_assets.AssetsService.md#getofferedassets)
 - [getOwnedAssets](modules_assets.AssetsService.md#getownedassets)
 - [getPreviouslyOwnedAssets](modules_assets.AssetsService.md#getpreviouslyownedassets)
@@ -86,7 +87,7 @@ ___
 
 | Name | Type | Description |
 | :------ | :------ | :------ |
-| `id` | `Object` | Asset Id |
+| `id` | `Object` | Asset decentralized identifier |
 | `id.id` | `string` | - |
 
 #### Returns
@@ -122,6 +123,24 @@ Asset[] || []
 
 ___
 
+### getAssetOwner
+
+▸ **getAssetOwner**(`id`): `Promise`<`string`\>
+
+Returns owner of the given asset
+
+#### Parameters
+
+| Name | Type | Description |
+| :------ | :------ | :------ |
+| `id` | `string` | asset decentralized identifier |
+
+#### Returns
+
+`Promise`<`string`\>
+
+___
+
 ### getOfferedAssets
 
 ▸ **getOfferedAssets**(`__namedParameters?`): `Promise`<[`Asset`](../interfaces/modules_assets.Asset.md)[]\>
@@ -223,7 +242,7 @@ ___
 
 `Promise`<`string`\>
 
-Asset DID
+Asset address
 
 ___
 
diff --git a/src/modules/cache-client/cache-client.service.ts b/src/modules/cache-client/cache-client.service.ts
index cfd76d10..3987c74a 100644
--- a/src/modules/cache-client/cache-client.service.ts
+++ b/src/modules/cache-client/cache-client.service.ts
@@ -63,15 +63,18 @@ export class CacheClient implements ICacheClient {
    */
   async authenticate() {
     try {
-      const { refreshToken, token } = await this.refreshToken();
-      if (!this.isBrowser) {
-        this.httpClient.defaults.headers.common[
-          'Authorization'
-        ] = `Bearer ${token}`;
-      }
-      if (await this.isAuthenticated()) {
-        this.refresh_token = refreshToken;
-        return;
+      const refreshedTokens = await this.refreshToken();
+
+      if (refreshedTokens) {
+        if (!this.isBrowser) {
+          this.httpClient.defaults.headers.common[
+            'Authorization'
+          ] = `Bearer ${refreshedTokens.token}`;
+        }
+        if (await this.isAuthenticated()) {
+          this.refresh_token = refreshedTokens.refreshToken;
+          return;
+        }
       }
     } catch {
       // Ignore errors
@@ -384,10 +387,15 @@ export class CacheClient implements ICacheClient {
     return data;
   }
 
-  private async refreshToken(): Promise<{
-    token: string;
-    refreshToken: string;
-  }> {
+  private async refreshToken(): Promise<
+    | {
+        token: string;
+        refreshToken: string;
+      }
+    | undefined
+  > {
+    if (!this.refresh_token) return undefined;
+
     const { data } = await this.httpClient.get<{
       token: string;
       refreshToken: string;