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moby--moby/cliconfig/credentials/file_store.go

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package credentials
import (
"strings"
"github.com/docker/docker/cliconfig/configfile"
"github.com/docker/engine-api/types"
)
// fileStore implements a credentials store using
// the docker configuration file to keep the credentials in plain text.
type fileStore struct {
file *configfile.ConfigFile
}
// NewFileStore creates a new file credentials store.
func NewFileStore(file *configfile.ConfigFile) Store {
return &fileStore{
file: file,
}
}
// Erase removes the given credentials from the file store.
func (c *fileStore) Erase(serverAddress string) error {
delete(c.file.AuthConfigs, serverAddress)
return c.file.Save()
}
// Get retrieves credentials for a specific server from the file store.
func (c *fileStore) Get(serverAddress string) (types.AuthConfig, error) {
authConfig, ok := c.file.AuthConfigs[serverAddress]
if !ok {
// Maybe they have a legacy config file, we will iterate the keys converting
// them to the new format and testing
for registry, ac := range c.file.AuthConfigs {
if serverAddress == convertToHostname(registry) {
return ac, nil
}
}
authConfig = types.AuthConfig{}
}
return authConfig, nil
}
func (c *fileStore) GetAll() (map[string]types.AuthConfig, error) {
return c.file.AuthConfigs, nil
}
// Store saves the given credentials in the file store.
func (c *fileStore) Store(authConfig types.AuthConfig) error {
c.file.AuthConfigs[authConfig.ServerAddress] = authConfig
return c.file.Save()
}
func convertToHostname(url string) string {
stripped := url
if strings.HasPrefix(url, "http://") {
stripped = strings.Replace(url, "http://", "", 1)
} else if strings.HasPrefix(url, "https://") {
stripped = strings.Replace(url, "https://", "", 1)
}
nameParts := strings.SplitN(stripped, "/", 2)
return nameParts[0]
}