feat(plugin): add dpop plugin for RFC 9449 proof-of-possession#13161
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Alnyli07 wants to merge 3 commits into
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feat(plugin): add dpop plugin for RFC 9449 proof-of-possession#13161Alnyli07 wants to merge 3 commits into
Alnyli07 wants to merge 3 commits into
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Add DPoP (Demonstrating Proof of Possession) validation plugin that enforces sender-constrained access tokens at the API gateway level. - Full RFC 9449 DPoP proof validation (typ, alg, htm, htu, iat, ath, jti) - JWK Thumbprint binding (cnf.jkt) per RFC 7638 - Token introspection fallback (RFC 7662) for opaque tokens - Distributed JTI replay protection (memory/Redis/Infinispan) - Bearer downgrade detection - Authorization header rewrite (DPoP → Bearer) for upstream compatibility - Selective enforcement via uri_allow - 15 Test::Nginx test cases - English documentation in APISIX format Signed-off-by: Ali Tuğrul Pınar <ali@keymate.io>
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Signed-off-by: Ali Tuğrul Pınar <ali@keymate.io>
Signed-off-by: Ali Tuğrul Pınar <ali@keymate.io>
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Description
Add
dpopplugin for RFC 9449 DPoP (Demonstrating Proof of Possession) validation. This plugin enforces sender-constrained access tokens at the API gateway level, preventing token theft and replay attacks with zero changes to upstream services.Fixes #11219
Why a Separate Plugin?
DPoP is a proof-of-possession layer, not an authentication mechanism. It complements existing auth plugins (
openid-connect,jwt-auth,multi-auth) rather than replacing them. It runs at priority 2601 to rewriteAuthorization: DPoP→Authorization: Bearerbefore downstream auth plugins process the token.Features
typ,alg,htm,htu,iat,ath,jti)cnf.jkt) per RFC 7638DPoP→Bearerheader rewrite +DPoP-Thumbprintheader injectionuri_allowA Go WASM version (proxy-wasm-go-sdk v0.24.0) is also available at Keymate-io/keymate-apisix-dpop-plugin.
Files Changed
apisix/plugins/dpop.luaconf/config.yaml.exampledocs/en/latest/plugins/dpop.mdt/plugin/dpop.tTested With
resty.openssl,resty.http,resty.redis,resty.lrucache)Checklist