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package store
import (
"bytes"
"fmt"
"io"
"github.com/endophage/gotuf/data"
"github.com/endophage/gotuf/errors"
"github.com/endophage/gotuf/utils"
)
func NewMemoryStore(meta map[string][]byte, files map[string][]byte) *memoryStore {
if meta == nil {
meta = make(map[string][]byte)
}
if files == nil {
files = make(map[string][]byte)
}
return &memoryStore{
meta: meta,
files: files,
keys: make(map[string][]data.PrivateKey),
}
}
type memoryStore struct {
meta map[string][]byte
files map[string][]byte
keys map[string][]data.PrivateKey
}
func (m *memoryStore) GetMeta(name string, size int64) ([]byte, error) {
d, ok := m.meta[name]
if ok {
if int64(len(d)) < size {
return d, nil
}
return d[:size], nil
} else {
return nil, ErrMetaNotFound{}
}
}
func (m *memoryStore) SetMeta(name string, meta []byte) error {
m.meta[name] = meta
return nil
}
func (m *memoryStore) SetMultiMeta(metas map[string][]byte) error {
for role, blob := range metas {
m.SetMeta(role, blob)
}
return nil
}
func (m *memoryStore) GetTarget(path string) (io.ReadCloser, error) {
return &utils.NoopCloser{Reader: bytes.NewReader(m.files[path])}, nil
}
func (m *memoryStore) WalkStagedTargets(paths []string, targetsFn targetsWalkFunc) error {
if len(paths) == 0 {
for path, dat := range m.files {
meta, err := data.NewFileMeta(bytes.NewReader(dat), "sha256")
if err != nil {
return err
}
if err = targetsFn(path, meta); err != nil {
return err
}
}
return nil
}
for _, path := range paths {
dat, ok := m.files[path]
if !ok {
return errors.ErrFileNotFound{path}
}
meta, err := data.NewFileMeta(bytes.NewReader(dat), "sha256")
if err != nil {
return err
}
if err = targetsFn(path, meta); err != nil {
return err
}
}
return nil
}
func (m *memoryStore) Commit(map[string][]byte, bool, map[string]data.Hashes) error {
return nil
}
func (m *memoryStore) GetKey(role string) ([]byte, error) {
return nil, fmt.Errorf("GetKey is not implemented for the memoryStore")
}
|
