Fix DefaultBearerTokenResolver rejecting RFC-legal multi-space Authorization header - #19600
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Update DefaultBearerTokenResolver and ServerBearerTokenAuthenticationConverter to allow one or more spaces between 'Bearer' and the token, as permitted by RFC 6750. Closes spring-projectsgh-19500 Signed-off-by: zanarelli <zanarelli.dev@gmail.com>
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Closes gh-19500
RFC 6750 allows one or more spaces between
Bearerand the token. This change updates the regex patterns inDefaultBearerTokenResolverandServerBearerTokenAuthenticationConverterto acceptBearer +instead ofBearer.Tests have been added to verify that 1, 2, and 3 spaces are accepted, while 0 spaces are rejected.