harbor/src/server/middleware/util/util.go

86 lines
2.6 KiB
Go

// Copyright Project Harbor Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package util
import (
"fmt"
"github.com/goharbor/harbor/src/common/rbac/project"
"github.com/goharbor/harbor/src/lib/q"
"github.com/goharbor/harbor/src/pkg/accessory"
"github.com/goharbor/harbor/src/pkg/accessory/model"
"net/http"
"path"
"strings"
"github.com/goharbor/harbor/src/common/api"
"github.com/goharbor/harbor/src/common/rbac"
"github.com/goharbor/harbor/src/common/security"
"github.com/goharbor/harbor/src/pkg/distribution"
)
// ParseProjectName parse project name from v2 and v2.0 API URL path
func ParseProjectName(r *http.Request) string {
path := path.Clean(r.URL.EscapedPath())
var projectName string
prefixes := []string{
fmt.Sprintf("/api/%s/projects/", api.APIVersion), // v2.0 management APIs
}
for _, prefix := range prefixes {
if strings.HasPrefix(path, prefix) {
parts := strings.Split(strings.TrimPrefix(path, prefix), "/")
if len(parts) > 0 {
projectName = parts[0]
break
}
}
}
if projectName == "" && strings.HasPrefix(path, "/v2/") {
// v2 APIs
projectName = distribution.ParseProjectName(path)
}
return projectName
}
// SkipPolicyChecking ...
func SkipPolicyChecking(r *http.Request, projectID, artID int64) (bool, error) {
secCtx, ok := security.FromContext(r.Context())
// 1, scanner pull access can bypass.
// 2, cosign pull can bypass, it needs to pull the manifest before pushing the signature.
// 3, pull cosign signature can bypass.
if ok && secCtx.Name() == "v2token" {
if secCtx.Can(r.Context(), rbac.ActionScannerPull, project.NewNamespace(projectID).Resource(rbac.ResourceRepository)) ||
(secCtx.Can(r.Context(), rbac.ActionPush, project.NewNamespace(projectID).Resource(rbac.ResourceRepository)) &&
strings.Contains(r.UserAgent(), "cosign")) {
return true, nil
}
}
accs, err := accessory.Mgr.List(r.Context(), q.New(q.KeyWords{"ArtifactID": artID}))
if err != nil {
return false, err
}
if len(accs) > 0 && accs[0].GetData().Type == model.TypeCosignSignature {
return true, nil
}
return false, nil
}