mirror of
https://github.com/rancher/steve.git
synced 2025-08-19 06:38:02 +00:00
95 lines
2.3 KiB
Go
95 lines
2.3 KiB
Go
package publicapi
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import (
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"net/http"
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"github.com/rancher/norman/v2/pkg/api"
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"github.com/rancher/norman/v2/pkg/auth"
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"github.com/rancher/norman/v2/pkg/types"
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"github.com/rancher/norman/v2/pkg/urlbuilder"
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"github.com/rancher/steve/pkg/accesscontrol"
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k8sproxy "github.com/rancher/steve/pkg/proxy"
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"github.com/rancher/steve/pkg/resources/schema"
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"github.com/rancher/steve/pkg/server/router"
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"github.com/sirupsen/logrus"
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"k8s.io/apiserver/pkg/authentication/user"
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"k8s.io/client-go/rest"
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)
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func NewHandler(cfg *rest.Config, sf schema.Factory, authMiddleware auth.Middleware, next http.Handler) (http.Handler, error) {
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var (
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err error
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)
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a := &apiServer{
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sf: sf,
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server: api.DefaultAPIServer(),
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}
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a.server.AccessControl = accesscontrol.NewAccessControl()
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proxy, err := k8sproxy.Handler("/", cfg)
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if err != nil {
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return nil, err
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}
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w := authMiddleware.Wrap
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return router.Routes(router.Handlers{
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Next: next,
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K8sResource: w(a.apiHandler(k8sAPI)),
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GenericResource: w(a.apiHandler(nil)),
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K8sProxy: w(proxy),
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APIRoot: w(a.apiHandler(apiRoot)),
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}), nil
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}
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type apiServer struct {
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sf schema.Factory
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server *api.Server
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}
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func (a *apiServer) common(rw http.ResponseWriter, req *http.Request) (*types.APIRequest, bool) {
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user := &user.DefaultInfo{
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Name: "admin",
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Groups: []string{"system:masters"},
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}
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schemas, err := a.sf.Schemas(user)
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if err != nil {
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logrus.Errorf("HTTP request failed: %v", err)
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rw.Write([]byte(err.Error()))
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rw.WriteHeader(http.StatusInternalServerError)
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}
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urlBuilder, err := urlbuilder.NewPrefixed(req, schemas, "v1")
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if err != nil {
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rw.Write([]byte(err.Error()))
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rw.WriteHeader(http.StatusInternalServerError)
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return nil, false
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}
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return &types.APIRequest{
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Schemas: schemas,
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Request: req,
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Response: rw,
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URLBuilder: urlBuilder,
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}, true
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}
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type APIFunc func(schema.Factory, *types.APIRequest)
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func (a *apiServer) apiHandler(apiFunc APIFunc) http.Handler {
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return http.HandlerFunc(func(rw http.ResponseWriter, req *http.Request) {
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a.api(rw, req, apiFunc)
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})
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}
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func (a *apiServer) api(rw http.ResponseWriter, req *http.Request, apiFunc APIFunc) {
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apiOp, ok := a.common(rw, req)
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if ok {
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if apiFunc != nil {
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apiFunc(a.sf, apiOp)
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}
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a.server.Handle(apiOp)
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}
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}
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