Merge pull request #99 from sasjs/issue-96

fix(error): added error handling for http responses with status 401 and 403

src/SASViyaApiClient.ts

@@ -323,17 +323,14 @@ export class SASViyaApiClient {
       {
         headers
       }
-    ).catch((e) => {
-      console.error(e)
-
-      if (e && e.status === 404) {
+    ).catch((err) => {
+      if (err && err.status === 404) {
         throw new Error(
           `The context '${contextName}' was not found on this server.`
         )
       }
-      throw new Error(
-        `An error occurred when fetching the context '${contextName}'.`
-      )
+
+      throw err
     })
 
     // An If-Match header with the value of the last ETag for the context
@@ -1388,12 +1385,8 @@ export class SASViyaApiClient {
     const { result: contexts } = await this.request<{ items: Context[] }>(
       `${this.serverUrl}/compute/contexts?filter=eq(name, "${contextName}")`,
       { headers }
-    ).catch((e) => {
-      console.error(e)
-
-      throw new Error(
-        `An error occurred when fetching the context '${contextName}'.`
-      )
+    ).catch((err) => {
+      throw err
     })
 
     if (!contexts || !(contexts.items && contexts.items.length)) {

src/utils/makeRequest.ts

@@ -37,13 +37,28 @@ export async function makeRequest<T>(
             ...request,
             headers: { ...request.headers, [tokenHeader]: token }
           }
+
           return fetch(url, retryRequest).then((res) => {
             etag = res.headers.get('ETag')
             return responseTransform(res)
           })
+        } else {
+          let body: any = await response.text()
+
+          try {
+            body = JSON.parse(body)
+
+            body.message = `Forbidden. Check your permissions and user groups. ${
+              body.message || ''
+            }`
+
+            body = JSON.stringify(body)
+          } catch (_) {}
+
+          return Promise.reject({ status: response.status, body })
         }
       } else {
-        const body = await response.text()
+        let body: any = await response.text()
 
         if (needsRetry(body)) {
           if (retryCount < retryLimit) {
@@ -65,6 +80,18 @@ export async function makeRequest<T>(
           }
         }
 
+        if (response.status === 401) {
+          try {
+            body = JSON.parse(body)
+
+            body.message = `Unauthorized request. Check your credentials(client, secret, access token). ${
+              body.message || ''
+            }`
+
+            body = JSON.stringify(body)
+          } catch (_) {}
+        }
+
         return Promise.reject({ status: response.status, body })
       }
     } else {
@@ -104,5 +131,6 @@ export async function makeRequest<T>(
       return responseTransformed
     }
   })
+
   return { result, etag }
 }