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Add Offline licenses related apis (#298)
Signed-off-by: Rokibul Hasan <[email protected]> Signed-off-by: Arnob kumar saha <[email protected]> Signed-off-by: Tamal Saha <[email protected]> Co-authored-by: Arnob kumar saha <[email protected]> Co-authored-by: Tamal Saha <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,32 @@ | ||
| apiVersion: offline.licenses.appscode.com/v1alpha1 | ||
| kind: AddOfflineLicense | ||
|
|
||
| request: | ||
| namespace: kubeops | ||
| license: | | ||
| -----BEGIN CERTIFICATE----- | ||
| MIIEUDCCAzigAwIBAgIIc/mtiBJRhtUwDQYJKoZIhvcNAQELBQAwJTEWMBQGA1UE | ||
| ChMNQXBwc0NvZGUgSW5jLjELMAkGA1UEAxMCY2EwHhcNMjQwNTE1MTA1NDQwWhcN | ||
| MjQwNjE0MTA1NDQwWjCCARgxDzANBgNVBAYTBmt1YmVkYjETMBEGA1UECBMKZW50 | ||
| ZXJwcmlzZTGBpDAXBgNVBAoTEGt1YmVkYi1jb21tdW5pdHkwFwYDVQQKExBrdWJl | ||
| ZGItZXh0LXN0YXNoMBgGA1UEChMRa3ViZWRiLWF1dG9zY2FsZXIwGAYDVQQKExFr | ||
| dWJlZGItZW50ZXJwcmlzZTAcBgNVBAoTFXBhbm9wdGljb24tZW50ZXJwcmlzZTAe | ||
| BgNVBAoTF2t1YmVkYi1tb25pdG9yaW5nLWFnZW50MRowGAYDVQQLExFrdWJlZGIt | ||
| ZW50ZXJwcmlzZTEtMCsGA1UEAxMkZTg2NTk1OWEtMjk2ZS00OWVhLWI5NjktNGZh | ||
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| u0FfA5lbD0X/VLBPz+Czvsunn6ESZCEba7TQUEv6S4rfuRdKFFVj4ljza+W75DH7 | ||
| OKfieg== | ||
| -----END CERTIFICATE----- |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,216 @@ | ||
| /* | ||
| Copyright AppsCode Inc. and Contributors. | ||
| 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 addofflinelicense | ||
|
|
||
| import ( | ||
| "context" | ||
| "errors" | ||
| "fmt" | ||
| "strings" | ||
|
|
||
| licenseapi "kubeops.dev/ui-server/apis/offline/v1alpha1" | ||
|
|
||
| core "k8s.io/api/core/v1" | ||
| v1 "k8s.io/api/core/v1" | ||
| apierrors "k8s.io/apimachinery/pkg/api/errors" | ||
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
| "k8s.io/apimachinery/pkg/runtime" | ||
| "k8s.io/apimachinery/pkg/runtime/schema" | ||
| "k8s.io/apimachinery/pkg/types" | ||
| "k8s.io/apiserver/pkg/authorization/authorizer" | ||
| apirequest "k8s.io/apiserver/pkg/endpoints/request" | ||
| "k8s.io/apiserver/pkg/registry/rest" | ||
| "k8s.io/client-go/util/cert" | ||
| cg "kmodules.xyz/client-go/client" | ||
| controllerruntime "sigs.k8s.io/controller-runtime" | ||
| "sigs.k8s.io/controller-runtime/pkg/client" | ||
| ) | ||
|
|
||
| const ( | ||
| LicenseSecretName = "license-proxyserver-licenses" | ||
| ) | ||
|
|
||
| var secretGR = schema.GroupResource{ | ||
| Group: "", | ||
| Resource: "secrets", | ||
| } | ||
|
|
||
| type Storage struct { | ||
| kc client.Client | ||
| clusterID string | ||
| a authorizer.Authorizer | ||
| } | ||
|
|
||
| var ( | ||
| _ rest.GroupVersionKindProvider = &Storage{} | ||
| _ rest.Scoper = &Storage{} | ||
| _ rest.Storage = &Storage{} | ||
| _ rest.Creater = &Storage{} | ||
| _ rest.SingularNameProvider = &Storage{} | ||
| ) | ||
|
|
||
| func NewStorage(kc client.Client, clusterID string, a authorizer.Authorizer) *Storage { | ||
| return &Storage{ | ||
| kc: kc, | ||
| clusterID: clusterID, | ||
| a: a, | ||
| } | ||
| } | ||
|
|
||
| func (r *Storage) GroupVersionKind(_ schema.GroupVersion) schema.GroupVersionKind { | ||
| return licenseapi.SchemeGroupVersion.WithKind(licenseapi.ResourceKindAddOfflineLicense) | ||
| } | ||
|
|
||
| func (r *Storage) NamespaceScoped() bool { | ||
| return false | ||
| } | ||
|
|
||
| func (r *Storage) GetSingularName() string { | ||
| return strings.ToLower(licenseapi.ResourceKindAddOfflineLicense) | ||
| } | ||
|
|
||
| func (r *Storage) New() runtime.Object { | ||
| return &licenseapi.AddOfflineLicense{} | ||
| } | ||
|
|
||
| func (r *Storage) Destroy() {} | ||
|
|
||
| func (r *Storage) Create(ctx context.Context, obj runtime.Object, _ rest.ValidateObjectFunc, _ *metav1.CreateOptions) (runtime.Object, error) { | ||
| in := obj.(*licenseapi.AddOfflineLicense) | ||
| if in.Request == nil { | ||
| return nil, apierrors.NewBadRequest("missing apirequest") | ||
| } | ||
| req := in.Request | ||
|
|
||
| user, ok := apirequest.UserFrom(ctx) | ||
| if !ok { | ||
| return nil, apierrors.NewBadRequest("missing user info") | ||
| } | ||
|
|
||
| if req.Namespace == "" { | ||
| return nil, apierrors.NewBadRequest("missing license secret namespace") | ||
| } | ||
| if req.License == "" { | ||
| return nil, apierrors.NewBadRequest("missing license info") | ||
| } | ||
|
|
||
| licenseSecret := v1.Secret{} | ||
| err := r.kc.Get(ctx, types.NamespacedName{Name: LicenseSecretName, Namespace: req.Namespace}, &licenseSecret) | ||
| if err != nil && apierrors.IsNotFound(err) { | ||
| // check permission | ||
| attrs := authorizer.AttributesRecord{ | ||
| User: user, | ||
| Verb: "create", | ||
| Namespace: req.Namespace, | ||
| APIGroup: secretGR.Group, | ||
| Resource: secretGR.Resource, | ||
| Name: LicenseSecretName, | ||
| ResourceRequest: true, | ||
| } | ||
| decision, why, err := r.a.Authorize(ctx, attrs) | ||
| if err != nil { | ||
| return nil, apierrors.NewInternalError(err) | ||
| } | ||
| if decision != authorizer.DecisionAllow { | ||
| return nil, apierrors.NewForbidden(secretGR, LicenseSecretName, errors.New(why)) | ||
| } | ||
|
|
||
| productKey, err := getProductKey([]byte(req.License), r.clusterID) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| licenseSecret = v1.Secret{ | ||
| ObjectMeta: controllerruntime.ObjectMeta{ | ||
| Name: LicenseSecretName, | ||
| Namespace: req.Namespace, | ||
| }, | ||
| Data: map[string][]byte{ | ||
| productKey: []byte(req.License), | ||
| }, | ||
| } | ||
| if err = r.kc.Create(ctx, &licenseSecret); err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| in.Response = &licenseapi.AddOfflineLicenseResponse{ | ||
| SecretKeyRef: &core.SecretKeySelector{ | ||
| LocalObjectReference: core.LocalObjectReference{ | ||
| Name: licenseSecret.Name, | ||
| }, | ||
| Key: productKey, | ||
| }, | ||
| } | ||
| return in, nil | ||
| } else if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| // check permission | ||
| attrs := authorizer.AttributesRecord{ | ||
| User: user, | ||
| Verb: "patch", | ||
| Namespace: req.Namespace, | ||
| APIGroup: secretGR.Group, | ||
| Resource: secretGR.Resource, | ||
| Name: LicenseSecretName, | ||
| ResourceRequest: true, | ||
| } | ||
| decision, why, err := r.a.Authorize(ctx, attrs) | ||
| if err != nil { | ||
| return nil, apierrors.NewInternalError(err) | ||
| } | ||
| if decision != authorizer.DecisionAllow { | ||
| return nil, apierrors.NewForbidden(secretGR, LicenseSecretName, errors.New(why)) | ||
| } | ||
|
|
||
| productKey, err := getProductKey([]byte(req.License), r.clusterID) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| licenseSecret.Data[productKey] = []byte(req.License) | ||
|
|
||
| _, err = cg.CreateOrPatch(ctx, r.kc, &licenseSecret, func(obj client.Object, createOp bool) client.Object { | ||
| in := obj.(*v1.Secret) | ||
| in.Data = licenseSecret.Data | ||
| return in | ||
| }) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| in.Response = &licenseapi.AddOfflineLicenseResponse{ | ||
| SecretKeyRef: &core.SecretKeySelector{ | ||
| LocalObjectReference: core.LocalObjectReference{ | ||
| Name: licenseSecret.Name, | ||
| }, | ||
| Key: productKey, | ||
| }, | ||
| } | ||
| return in, nil | ||
| } | ||
|
|
||
| func getProductKey(lic []byte, clusterID string) (string, error) { | ||
| certs, err := cert.ParseCertsPEM(lic) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
| if certs[0].Subject.CommonName != clusterID { | ||
| return "", fmt.Errorf("license is for cluster %s, expecting %s", certs[0].Subject.CommonName, clusterID) | ||
| } | ||
| return certs[0].Subject.OrganizationalUnit[0], nil | ||
| } |
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