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https://issues.apache.org/jira/browse/CAMEL-20498?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17822452#comment-17822452
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Joshua Grisham commented on CAMEL-20498:
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Absolutely and thank you for the fast review and merge! :)
> camel-http OAuth2 support is not adding the text "Bearer " to the
> Authorization header
> --------------------------------------------------------------------------------------
>
> Key: CAMEL-20498
> URL: https://issues.apache.org/jira/browse/CAMEL-20498
> Project: Camel
> Issue Type: Bug
> Components: camel-http
> Affects Versions: 4.4.0
> Reporter: Joshua Grisham
> Priority: Minor
> Fix For: 4.4.1, 4.5.0
>
>
> When using the OAuth2 support for camel-http, it is not adding the prefix
> text "Bearer " before the access token in the Authorization header as per the
> OAuth2 specification:
> [https://datatracker.ietf.org/doc/html/rfc6750#section-2.1]
> In the end it does not actually work to use this feature at all from what I
> can see – the header is not considered valid for an OAuth2 access token and
> when trying to use this against a real API that requires a token then you
> receive back an authorization failure.
> When turning on DEBUG logging you can see that the access token is fetched
> correctly but then on the request it is being sent without the text "Bearer "
> in front of the token:
> {code:java}
> http-outgoing-0 >> "Authorization: eyJhbG..." {code}
> From a quick skim in the code it seems like the problem lies here:
> https://github.com/apache/camel/blob/e8ea7ab337cee460858d44968c50dbfafa22ef28/components/camel-http/src/main/java/org/apache/camel/component/http/OAuth2ClientConfigurer.java#L64
> That is to say, the code is just adding the "Authorization" header where the
> value is only the access token itself, and not adding the text "Bearer "
> before the token as per the OAuth2 specification.
>
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