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directory.go
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directory.go
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/*******************************************************************************
* Copyright 2019 Dell Inc.
*
* 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 directory
import (
"fmt"
"os"
"github.com/edgexfoundry/edgex-go/internal/security/secrets/contract"
"github.com/edgexfoundry/go-mod-core-contracts/clients/logger"
)
type handler struct {
loggingClient logger.LoggingClient
}
func NewHandler(lc logger.LoggingClient) contract.DirectoryHandler {
return handler{
loggingClient: lc,
}
}
func (h handler) Create(path string) error {
// Remove eventual previous PKI setup directory
// Create a new empty PKI setup directory
h.loggingClient.Debug("New CA creation requested by configuration")
h.loggingClient.Debug("Cleaning up CA PKI setup directory")
err := os.RemoveAll(path) // Remove pkiCaDir
if err != nil {
return fmt.Errorf("Attempted removal of existing CA PKI config directory: %s (%s)", path, err)
}
h.loggingClient.Debug(fmt.Sprintf("Creating CA PKI setup directory: %s", path))
err = os.MkdirAll(path, 0750) // Create pkiCaDir
if err != nil {
return fmt.Errorf("Failed to create the CA PKI configuration directory: %s (%s)", path, err)
}
return nil
}
func (h handler) Verify(path string) error {
h.loggingClient.Debug("No new CA creation requested by configuration")
// Is the CA there? (if nil then OK... but could be something else than a directory)
stat, err := os.Stat(path)
if err != nil {
if os.IsNotExist(err) {
return fmt.Errorf("CA PKI setup directory does not exist: %s", path)
}
return fmt.Errorf("CA PKI setup directory cannot be reached: %s (%s)", path, err)
}
if stat.IsDir() {
h.loggingClient.Debug(fmt.Sprintf("Existing CA PKI setup directory: %s", path))
} else {
return fmt.Errorf("Existing CA PKI setup directory is not a directory: %s", path)
}
return nil
}