Add support to refresh JWT tokens for MQTT transport #2083
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−10
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Currently we only can authenticate once by providing the token with the options by using
.WithAuthentication("OAUTH2-JWT", Encoding.UTF8.GetBytes(accessToken.Token)). This change provides another parameter to.UseMqtt(...), where we define a callback function to fetch the token and a timespan when the token should be refreshed.If the parameter is set, the authentication is automatically set to "OAUTH2-JWT" and an initial token is fetched on transport initialization.
Also #2079 is fixed, by adding a null-check on the user options of incoming messages.