Support authentication for OpenSearch integration at SharePoint Online
We would like to extend SharePoint Online search result by implementing OpenSearch protocol. One thing is that it doesn't support authentication right now: https://sharepoint.stackexchange.com/questions/201521/authentication-is-disabled-in-opensearch-result-source-on-sharepoint-online/213775. Since the data we are exposing are from customer on premises environment, authentication protection is required. Thanks.
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