enhance: remain raw token for audit log (#40637) (#40867)

pr: https://github.com/milvus-io/milvus/pull/40637

Signed-off-by: aoiasd <zhicheng.yue@zilliz.com>

internal/distributed/proxy/httpserver/constant.go

@@ -81,6 +81,7 @@ const (
 const (
 	ContextRequest                = "request"
 	ContextUsername               = "username"
+	ContextToken                  = "token"
 	VectorCollectionsPath         = "/vector/collections"
 	VectorCollectionsCreatePath   = "/vector/collections/create"
 	VectorCollectionsDescribePath = "/vector/collections/describe"

internal/distributed/proxy/service.go

@@ -139,6 +139,7 @@ func authenticate(c *gin.Context) {
 		user, err := proxy.VerifyAPIKey(rawToken)
 		if err == nil {
 			c.Set(httpserver.ContextUsername, user)
+			c.Set(httpserver.ContextToken, rawToken)
 			return
 		}
 		log.Ctx(context.TODO()).Warn("fail to verify apikey", zap.Error(err))

internal/proxy/accesslog/info/restful_info.go

@@ -32,6 +32,7 @@ const (
 	ContextReturnCode    = "code"
 	ContextReturnMessage = "message"
 	ContextRequest       = "request"
+	ContextToken         = "token"
 )
 
 type RestfulInfo struct {