package common import ( "io" "strings" "syscall" cp "github.com/containers/image/copy" "github.com/containers/image/types" "github.com/pkg/errors" ) var ( // ErrNoPassword is returned if the user did not supply a password ErrNoPassword = errors.Wrapf(syscall.EINVAL, "password was not supplied") ) // GetCopyOptions constructs a new containers/image/copy.Options{} struct from the given parameters func GetCopyOptions(reportWriter io.Writer, signaturePolicyPath string, srcDockerRegistry, destDockerRegistry *DockerRegistryOptions, signing SigningOptions, authFile string) *cp.Options { if srcDockerRegistry == nil { srcDockerRegistry = &DockerRegistryOptions{} } if destDockerRegistry == nil { destDockerRegistry = &DockerRegistryOptions{} } srcContext := srcDockerRegistry.GetSystemContext(signaturePolicyPath, authFile) destContext := destDockerRegistry.GetSystemContext(signaturePolicyPath, authFile) return &cp.Options{ RemoveSignatures: signing.RemoveSignatures, SignBy: signing.SignBy, ReportWriter: reportWriter, SourceCtx: srcContext, DestinationCtx: destContext, } } // GetSystemContext Constructs a new containers/image/types.SystemContext{} struct from the given signaturePolicy path func GetSystemContext(signaturePolicyPath, authFilePath string) *types.SystemContext { sc := &types.SystemContext{} if signaturePolicyPath != "" { sc.SignaturePolicyPath = signaturePolicyPath } sc.AuthFilePath = authFilePath return sc } // IsTrue determines whether the given string equals "true" func IsTrue(str string) bool { return str == "true" } // IsFalse determines whether the given string equals "false" func IsFalse(str string) bool { return str == "false" } // IsValidBool determines whether the given string equals "true" or "false" func IsValidBool(str string) bool { return IsTrue(str) || IsFalse(str) } // ParseRegistryCreds takes a credentials string in the form USERNAME:PASSWORD // and returns a DockerAuthConfig func ParseRegistryCreds(creds string) (*types.DockerAuthConfig, error) { if creds == "" { return nil, errors.New("no credentials supplied") } if !strings.Contains(creds, ":") { return &types.DockerAuthConfig{ Username: creds, Password: "", }, ErrNoPassword } v := strings.SplitN(creds, ":", 2) cfg := &types.DockerAuthConfig{ Username: v[0], Password: v[1], } return cfg, nil }