MSC4198: Usage of OIDC login_hint #4198
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tonkku107
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Johennes
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Sep 24, 2024
Johennes
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turt2live
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turt2live
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Implementation requirements:
- Client
- Authentication service (I think?)
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Authentication service
well... technically just "server"? nobody is prescribing the auth to happen in an extra microservice, right?
pixlwave
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hughns
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Sep 17, 2025
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I suggest:
- Updating to reflect that OAuth 2.0 API now exists in the spec
- Making it explicit that this is an optional parameter for the Authorization code grant
- Propose that that the
login_hintcan also be added to the MSC4191 account management URL query parameters (perhaps prefixed asorg.matrix.msc4198.login_hint)
By using RFC2119 keywords and reiterating that the parameter is optional in the usage section
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Implementations:
login_hintas per MSC4198 element-hq/matrix-authentication-service#3343