github.com/hustcat/docker@v1.3.3-0.20160314103604-901c67a8eeab/api/server/middleware/authorization.go (about)

     1  package middleware
     2  
     3  import (
     4  	"net/http"
     5  
     6  	"github.com/Sirupsen/logrus"
     7  	"github.com/docker/docker/api/server/httputils"
     8  	"github.com/docker/docker/pkg/authorization"
     9  	"golang.org/x/net/context"
    10  )
    11  
    12  // NewAuthorizationMiddleware creates a new Authorization middleware.
    13  func NewAuthorizationMiddleware(plugins []authorization.Plugin) Middleware {
    14  	return func(handler httputils.APIFunc) httputils.APIFunc {
    15  		return func(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
    16  			// FIXME: fill when authN gets in
    17  			// User and UserAuthNMethod are taken from AuthN plugins
    18  			// Currently tracked in https://github.com/docker/docker/pull/13994
    19  			user := ""
    20  			userAuthNMethod := ""
    21  			authCtx := authorization.NewCtx(plugins, user, userAuthNMethod, r.Method, r.RequestURI)
    22  
    23  			if err := authCtx.AuthZRequest(w, r); err != nil {
    24  				logrus.Errorf("AuthZRequest for %s %s returned error: %s", r.Method, r.RequestURI, err)
    25  				return err
    26  			}
    27  
    28  			rw := authorization.NewResponseModifier(w)
    29  
    30  			if err := handler(ctx, rw, r, vars); err != nil {
    31  				logrus.Errorf("Handler for %s %s returned error: %s", r.Method, r.RequestURI, err)
    32  				return err
    33  			}
    34  
    35  			if err := authCtx.AuthZResponse(rw, r); err != nil {
    36  				logrus.Errorf("AuthZResponse for %s %s returned error: %s", r.Method, r.RequestURI, err)
    37  				return err
    38  			}
    39  			return nil
    40  		}
    41  	}
    42  }