/
sigStoreConfig.go
99 lines (89 loc) · 2.49 KB
/
sigStoreConfig.go
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// Copyright 2020 Portieris 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 simple
import (
"fmt"
"io/ioutil"
"os"
"strings"
"github.com/golang/glog"
"gopkg.in/yaml.v3"
)
type regConfig struct {
SigStore string `yaml:"sigstore"`
}
type config struct {
DefaultDocker regConfig `yaml:"default-docker"`
}
// CreateRegistryDir write a file in a new directory containing the desired default docker configuration
func (v verifier) CreateRegistryDir(storeURL, storeUser, storePassword string) (string, error) {
if storeURL == "" {
glog.Infof("No lookaside signature store.")
return "", nil
}
method := ""
rest := ""
if strings.HasPrefix(storeURL, "http://") {
method = "http://"
rest = strings.TrimPrefix(storeURL, "http://")
}
if strings.HasPrefix(storeURL, "https://") {
method = "https://"
rest = strings.TrimPrefix(storeURL, "https://")
}
// allow only http:// and https://
if method == "" {
return "", fmt.Errorf("expecting https:// or http:// URL, got: %s", storeURL)
}
// insert credentials as <method>user:password@<rest>
if storeUser == "" {
glog.Infof("Lookaside signature store at: %s", storeURL)
} else {
glog.Infof("Lookaside signature store at: %s%s:***@%s", method, storeUser, rest)
storeURL = fmt.Sprintf("%s%s:%s@%s", method, storeUser, storePassword, rest)
}
dir, err := ioutil.TempDir("", "registry.d")
if err != nil {
return "", err
}
file, err := os.OpenFile(dir+"/default.yaml", os.O_RDWR|os.O_CREATE|os.O_EXCL, 0600)
if err != nil {
os.RemoveAll(dir)
return "", err
}
rConf := config{
DefaultDocker: regConfig{
SigStore: storeURL,
},
}
bytes, err := yaml.Marshal(rConf)
if err != nil {
os.RemoveAll(dir)
return "", err
}
_, err = file.Write(bytes)
if err != nil {
os.RemoveAll(dir)
return "", err
}
glog.Infof("Using store config dir: %s", dir)
return dir, nil
}
// RemoveRegistryDir .
func (v verifier) RemoveRegistryDir(dirName string) error {
if dirName == "" {
return nil
}
return os.RemoveAll(dirName)
}