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https://issues.apache.org/jira/browse/HTTPCLIENT-2160?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17348315#comment-17348315
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Michael Osipov commented on HTTPCLIENT-2160:
--------------------------------------------
Look at https://datatracker.ietf.org/doc/html/rfc7235#section-2.1. your input
seems to invalid according ot the RFC.
> Authorization header doesn't support comma separated values syntax
> ------------------------------------------------------------------
>
> Key: HTTPCLIENT-2160
> URL: https://issues.apache.org/jira/browse/HTTPCLIENT-2160
> Project: HttpComponents HttpClient
> Issue Type: Bug
> Affects Versions: 4.5.13
> Reporter: Lenoire
> Priority: Major
>
> I'm trying to authenticate to an AWS service using an AWS specific
> authorization type
> ([https://docs.aws.amazon.com/AmazonS3/latest/API/sigv4-auth-using-authorization-header.html).]
> HTTP client splits the header into multiple authorization headers which cause
> an HTTP 400 response from AWS service.
> Example:
> The request header
> {code:java}
> Authorization: AWS4-HMAC-SHA256
> Credential=AKIAYYTXXF2ED3DDZKPB/20200723/us-east-1/rekognition/aws4_request,
> SignedHeaders=content-type;host;x-amz-content-sha256;x-amz-date;x-amz-target,
> Signature=b7a5caaad97b8115c2a2c7d58227307fb6a010bdad79612b15488d6779e34788{code}
> HTTP client logs
> {code:java}
> [UIThread [62374a04]] DEBUG org.apache.http.headers - http-outgoing-4 >> POST
> / HTTP/1.1
> [UIThread [62374a04]] DEBUG org.apache.http.headers - http-outgoing-4 >>
> Authorization: AWS4-HMAC-SHA256
> Credential=AKIAYYTXXF2ED3DDZKPB/20200723/us-east-1/rekognition/aws4_request
> [UIThread [62374a04]] DEBUG org.apache.http.headers - http-outgoing-4 >>
> Authorization:
> SignedHeaders=content-type;host;x-amz-content-sha256;x-amz-date;x-amz-target
> [UIThread [62374a04]] DEBUG org.apache.http.headers - http-outgoing-4 >>
> Authorization:
> Signature=b7a5caaad97b8115c2a2c7d58227307fb6a010bdad79612b15488d6779e34788{code}
>
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