mirror of https://github.com/portainer/portainer
143 lines
4.6 KiB
Go
143 lines
4.6 KiB
Go
package docker
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import (
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"bytes"
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"context"
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"encoding/json"
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"errors"
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"io/ioutil"
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"net/http"
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"github.com/docker/docker/api/types"
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"github.com/docker/docker/client"
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portainer "github.com/portainer/portainer/api"
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"github.com/portainer/portainer/api/http/proxy/factory/responseutils"
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"github.com/portainer/portainer/api/internal/authorization"
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)
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const (
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serviceObjectIdentifier = "ID"
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)
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func getInheritedResourceControlFromServiceLabels(dockerClient *client.Client, endpointID portainer.EndpointID, serviceID string, resourceControls []portainer.ResourceControl) (*portainer.ResourceControl, error) {
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service, _, err := dockerClient.ServiceInspectWithRaw(context.Background(), serviceID, types.ServiceInspectOptions{})
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if err != nil {
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return nil, err
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}
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stackResourceID := getStackResourceIDFromLabels(service.Spec.Labels, endpointID)
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if stackResourceID != "" {
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return authorization.GetResourceControlByResourceIDAndType(stackResourceID, portainer.StackResourceControl, resourceControls), nil
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}
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return nil, nil
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}
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// serviceListOperation extracts the response as a JSON array, loop through the service array
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// decorate and/or filter the services based on resource controls before rewriting the response.
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func (transport *Transport) serviceListOperation(response *http.Response, executor *operationExecutor) error {
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// ServiceList response is a JSON array
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// https://docs.docker.com/engine/api/v1.28/#operation/ServiceList
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responseArray, err := responseutils.GetResponseAsJSONArray(response)
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if err != nil {
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return err
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}
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resourceOperationParameters := &resourceOperationParameters{
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resourceIdentifierAttribute: serviceObjectIdentifier,
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resourceType: portainer.ServiceResourceControl,
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labelsObjectSelector: selectorServiceLabels,
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}
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responseArray, err = transport.applyAccessControlOnResourceList(resourceOperationParameters, responseArray, executor)
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if err != nil {
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return err
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}
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return responseutils.RewriteResponse(response, responseArray, http.StatusOK)
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}
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// serviceInspectOperation extracts the response as a JSON object, verify that the user
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// has access to the service based on resource control and either rewrite an access denied response or a decorated service.
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func (transport *Transport) serviceInspectOperation(response *http.Response, executor *operationExecutor) error {
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//ServiceInspect response is a JSON object
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//https://docs.docker.com/engine/api/v1.28/#operation/ServiceInspect
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responseObject, err := responseutils.GetResponseAsJSONOBject(response)
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if err != nil {
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return err
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}
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resourceOperationParameters := &resourceOperationParameters{
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resourceIdentifierAttribute: serviceObjectIdentifier,
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resourceType: portainer.ServiceResourceControl,
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labelsObjectSelector: selectorServiceLabels,
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}
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return transport.applyAccessControlOnResource(resourceOperationParameters, responseObject, response, executor)
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}
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// selectorServiceLabels retrieve the labels object associated to the service object.
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// Labels are available under the "Spec.Labels" property.
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// API schema references:
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// https://docs.docker.com/engine/api/v1.28/#operation/ServiceInspect
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// https://docs.docker.com/engine/api/v1.28/#operation/ServiceList
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func selectorServiceLabels(responseObject map[string]interface{}) map[string]interface{} {
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serviceSpecObject := responseutils.GetJSONObject(responseObject, "Spec")
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if serviceSpecObject != nil {
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return responseutils.GetJSONObject(serviceSpecObject, "Labels")
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}
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return nil
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}
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func (transport *Transport) decorateServiceCreationOperation(request *http.Request) (*http.Response, error) {
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type PartialService struct {
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TaskTemplate struct {
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ContainerSpec struct {
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Mounts []struct {
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Type string
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}
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}
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}
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}
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forbiddenResponse := &http.Response{
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StatusCode: http.StatusForbidden,
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}
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isAdminOrEndpointAdmin, err := transport.isAdminOrEndpointAdmin(request)
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if err != nil {
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return nil, err
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}
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if !isAdminOrEndpointAdmin {
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securitySettings, err := transport.fetchEndpointSecuritySettings()
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if err != nil {
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return nil, err
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}
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body, err := ioutil.ReadAll(request.Body)
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if err != nil {
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return nil, err
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}
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partialService := &PartialService{}
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err = json.Unmarshal(body, partialService)
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if err != nil {
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return nil, err
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}
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if !securitySettings.AllowBindMountsForRegularUsers && (len(partialService.TaskTemplate.ContainerSpec.Mounts) > 0) {
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for _, mount := range partialService.TaskTemplate.ContainerSpec.Mounts {
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if mount.Type == "bind" {
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return forbiddenResponse, errors.New("forbidden to use bind mounts")
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}
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}
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}
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request.Body = ioutil.NopCloser(bytes.NewBuffer(body))
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}
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return transport.replaceRegistryAuthenticationHeader(request)
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}
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