mirror of https://github.com/portainer/portainer
108 lines
4.0 KiB
Go
108 lines
4.0 KiB
Go
package proxy
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import (
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"net/http"
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"github.com/portainer/portainer"
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)
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const (
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// ErrDockerConfigIdentifierNotFound defines an error raised when Portainer is unable to find a config identifier
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ErrDockerConfigIdentifierNotFound = portainer.Error("Docker config identifier not found")
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configIdentifier = "ID"
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)
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// configListOperation extracts the response as a JSON object, loop through the configs array
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// decorate and/or filter the configs based on resource controls before rewriting the response
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func configListOperation(request *http.Request, response *http.Response, executor *operationExecutor) error {
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var err error
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// ConfigList response is a JSON array
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// https://docs.docker.com/engine/api/v1.30/#operation/ConfigList
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responseArray, err := getResponseAsJSONArray(response)
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if err != nil {
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return err
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}
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if executor.operationContext.isAdmin {
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responseArray, err = decorateConfigList(responseArray, executor.operationContext.resourceControls)
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} else {
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responseArray, err = filterConfigList(responseArray, executor.operationContext)
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}
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if err != nil {
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return err
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}
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return rewriteResponse(response, responseArray, http.StatusOK)
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}
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// configInspectOperation extracts the response as a JSON object, verify that the user
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// has access to the config based on resource control (check are done based on the configID and optional Swarm service ID)
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// and either rewrite an access denied response or a decorated config.
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func configInspectOperation(request *http.Request, response *http.Response, executor *operationExecutor) error {
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// ConfigInspect response is a JSON object
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// https://docs.docker.com/engine/api/v1.30/#operation/ConfigInspect
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responseObject, err := getResponseAsJSONOBject(response)
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if err != nil {
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return err
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}
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if responseObject[configIdentifier] == nil {
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return ErrDockerConfigIdentifierNotFound
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}
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configID := responseObject[configIdentifier].(string)
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responseObject, access := applyResourceAccessControl(responseObject, configID, executor.operationContext)
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if !access {
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return rewriteAccessDeniedResponse(response)
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}
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return rewriteResponse(response, responseObject, http.StatusOK)
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}
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// decorateConfigList loops through all configs and decorates any config with an existing resource control.
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// Resource controls checks are based on: resource identifier.
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// Config object schema reference: https://docs.docker.com/engine/api/v1.30/#operation/ConfigList
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func decorateConfigList(configData []interface{}, resourceControls []portainer.ResourceControl) ([]interface{}, error) {
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decoratedConfigData := make([]interface{}, 0)
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for _, config := range configData {
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configObject := config.(map[string]interface{})
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if configObject[configIdentifier] == nil {
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return nil, ErrDockerConfigIdentifierNotFound
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}
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configID := configObject[configIdentifier].(string)
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configObject = decorateResourceWithAccessControl(configObject, configID, resourceControls)
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decoratedConfigData = append(decoratedConfigData, configObject)
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}
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return decoratedConfigData, nil
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}
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// filterConfigList loops through all configs and filters public configs (no associated resource control)
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// as well as authorized configs (access granted to the user based on existing resource control).
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// Authorized configs are decorated during the process.
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// Resource controls checks are based on: resource identifier.
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// Config object schema reference: https://docs.docker.com/engine/api/v1.30/#operation/ConfigList
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func filterConfigList(configData []interface{}, context *restrictedOperationContext) ([]interface{}, error) {
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filteredConfigData := make([]interface{}, 0)
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for _, config := range configData {
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configObject := config.(map[string]interface{})
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if configObject[configIdentifier] == nil {
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return nil, ErrDockerConfigIdentifierNotFound
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}
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configID := configObject[configIdentifier].(string)
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configObject, access := applyResourceAccessControl(configObject, configID, context)
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if access {
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filteredConfigData = append(filteredConfigData, configObject)
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}
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}
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return filteredConfigData, nil
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}
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