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router.go
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router.go
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package server
import (
"net/http"
"github.com/gorilla/mux"
"github.com/rancher/k3s/pkg/daemons/config"
"k8s.io/apimachinery/pkg/util/json"
)
type CACertsGetter func() (string, error)
func router(serverConfig *config.Control, tunnel http.Handler, cacertsGetter CACertsGetter) http.Handler {
authed := mux.NewRouter()
authed.Use(authMiddleware(serverConfig))
authed.NotFoundHandler = serverConfig.Runtime.Handler
authed.Path("/v1-k3s/connect").Handler(tunnel)
authed.Path("/v1-k3s/node.crt").Handler(nodeCrt(serverConfig))
authed.Path("/v1-k3s/node.key").Handler(nodeKey(serverConfig))
authed.Path("/v1-k3s/config").Handler(configHandler(serverConfig))
router := mux.NewRouter()
router.NotFoundHandler = authed
router.Path("/cacerts").Handler(cacerts(cacertsGetter))
return router
}
func cacerts(getter CACertsGetter) http.Handler {
return http.HandlerFunc(func(resp http.ResponseWriter, req *http.Request) {
content, err := getter()
if err != nil {
resp.WriteHeader(http.StatusInternalServerError)
resp.Write([]byte(err.Error()))
}
resp.Header().Set("content-type", "text/plain")
resp.Write([]byte(content))
})
}
func nodeCrt(server *config.Control) http.Handler {
return http.HandlerFunc(func(resp http.ResponseWriter, req *http.Request) {
if req.TLS == nil {
resp.WriteHeader(http.StatusNotFound)
return
}
http.ServeFile(resp, req, server.Runtime.NodeCert)
})
}
func nodeKey(server *config.Control) http.Handler {
return http.HandlerFunc(func(resp http.ResponseWriter, req *http.Request) {
if req.TLS == nil {
resp.WriteHeader(http.StatusNotFound)
return
}
http.ServeFile(resp, req, server.Runtime.NodeKey)
})
}
func configHandler(server *config.Control) http.Handler {
return http.HandlerFunc(func(resp http.ResponseWriter, req *http.Request) {
if req.TLS == nil {
resp.WriteHeader(http.StatusNotFound)
return
}
resp.Header().Set("content-type", "application/json")
json.NewEncoder(resp).Encode(server)
})
}