Specify clientRegistrationId in TokenRelay filter #2922
Merged
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This PR adds the ability to specify a
clientRegistrationId
for theTokenRelay
GatewayFilter
.clientRegistrationId
is specified, it is used to build theOAuth2AuthorizeRequest
.oauth2Login()
, the existingOAuth2AuthenticationToken.getAuthorizedClientRegistrationId()
is used.With this enhancement, the gateway can be used to manage many
ClientRegistration
s, and each route can determine which client registration to use. This is incredibly useful in scenarios where there are (for example):a) multiple authorization servers in use simultaneously
b) multiple client authentication methods in use simultaneously
c) some/all downstream services require a distinct
clientId
,aud
claim, etc.d) some/all downstream services require different token formats (e.g. JWT, opaque)