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vmanel · Posted: Wed Jan 06, 2021 3:21 pm Post subject:

Hi,

We are trying to get Ouath2 token from Microsoft in IIB using HTTP request node. But Microsoft Oauth2 token URL needs request in url encoded POST query string, in below format

POST /{tenant}/oauthv2.0/token HTTP/1.1
HOST: https://login.microsoft.com
Content-Type: application/x-www-form-urlencoded
grant_type=client_credentials&client_id=abc&client_secret=xyz&scope=abc

We are setting all the attributes in esql using query string like

Set OutputRoot.HTTPRequestHeader."Content-Type" = 'application/x-www-form-urlencoded';
Set OutputLocalEnvironment.Destination.HTTP.QueryString.grant_type = 'client_credentials';

All these parameters will be set as shown above, but when the post request is sent we are getting 400 bad request error saying grant_type is not specified for the request, which is a generic error when there is issue in query string.

So, is it right way to construct the url encoded string, or does the above esql set query parameter in the following format https://url?grant_type=client_credentials instead of POST request format shown above?