From 686f4d1803f1e68d43d997a7fb3f7b33fc3cdaf1 Mon Sep 17 00:00:00 2001
From: mihaisc <mihai.scarlat@smartcontrol.ro>
Date: Mon, 2 Jan 2023 17:56:55 +0200
Subject: [PATCH] fix asset route (#1836)

---
 src/@context/Asset.tsx | 8 ++++++++
 src/@utils/ddo.ts      | 5 +++++
 2 files changed, 13 insertions(+)

diff --git a/src/@context/Asset.tsx b/src/@context/Asset.tsx
index ce473e339..5c1b75367 100644
--- a/src/@context/Asset.tsx
+++ b/src/@context/Asset.tsx
@@ -16,6 +16,7 @@ import { getOceanConfig, getDevelopmentConfig } from '@utils/ocean'
 import { getAccessDetails } from '@utils/accessDetailsAndPricing'
 import { useIsMounted } from '@hooks/useIsMounted'
 import { useMarketMetadata } from './MarketMetadata'
+import { isValidDid } from '@utils/ddo'
 
 export interface AssetProviderValue {
   isInPurgatory: boolean
@@ -63,6 +64,13 @@ function AssetProvider({
   const fetchAsset = useCallback(
     async (token?: CancelToken) => {
       if (!did) return
+      const isDid = isValidDid(did)
+
+      if (!isDid) {
+        setError(`The url is not for a valid DID`)
+        LoggerInstance.error(`[asset] Not a valid DID`)
+        return
+      }
 
       LoggerInstance.log('[asset] Fetching asset...')
       setLoading(true)
diff --git a/src/@utils/ddo.ts b/src/@utils/ddo.ts
index 0bc817e4f..d477e201b 100644
--- a/src/@utils/ddo.ts
+++ b/src/@utils/ddo.ts
@@ -1,5 +1,10 @@
 import { Asset, DDO, Service } from '@oceanprotocol/lib'
 
+export function isValidDid(did: string): boolean {
+  const regex = /did:op:[A-Za-z0-9]{64}/
+  return regex.test(did)
+}
+
 export function getServiceByName(
   ddo: Asset | DDO,
   name: 'access' | 'compute'