forked from openshift/origin
/
attributes_builder.go
53 lines (44 loc) · 1.73 KB
/
attributes_builder.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
package authorizer
import (
"net/http"
"strings"
kapi "github.com/GoogleCloudPlatform/kubernetes/pkg/api"
kapiserver "github.com/GoogleCloudPlatform/kubernetes/pkg/apiserver"
)
type openshiftAuthorizationAttributeBuilder struct {
contextMapper kapi.RequestContextMapper
infoResolver *kapiserver.APIRequestInfoResolver
}
func NewAuthorizationAttributeBuilder(contextMapper kapi.RequestContextMapper, infoResolver *kapiserver.APIRequestInfoResolver) AuthorizationAttributeBuilder {
return &openshiftAuthorizationAttributeBuilder{contextMapper, infoResolver}
}
func (a *openshiftAuthorizationAttributeBuilder) GetAttributes(req *http.Request) (AuthorizationAttributes, error) {
// any url that starts with an API prefix and is more than one step long is considered to be a resource URL.
// That means that /api is non-resource, /api/v1 is resource, /healthz is non-resource, and /swagger/anything is non-resource
urlSegments := splitPath(req.URL.Path)
isResourceURL := (len(urlSegments) > 1) && a.infoResolver.APIPrefixes.Has(urlSegments[0])
if !isResourceURL {
return DefaultAuthorizationAttributes{
Verb: strings.ToLower(req.Method),
NonResourceURL: true,
URL: req.URL.Path,
}, nil
}
requestInfo, err := a.infoResolver.GetAPIRequestInfo(req)
if err != nil {
return nil, err
}
resource := requestInfo.Resource
if len(requestInfo.Subresource) > 0 {
resource = requestInfo.Resource + "/" + requestInfo.Subresource
}
return DefaultAuthorizationAttributes{
Verb: requestInfo.Verb,
APIVersion: requestInfo.APIVersion,
Resource: resource,
ResourceName: requestInfo.Name,
RequestAttributes: req,
NonResourceURL: false,
URL: req.URL.Path,
}, nil
}