58 lines
1.3 KiB
Go
58 lines
1.3 KiB
Go
package v1
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import (
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"git.openprivacy.ca/openprivacy/log"
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"os"
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"path"
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)
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// fileStore stores a cwtchPeer in an encrypted file
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type fileStore struct {
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directory string
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filename string
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key [32]byte
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}
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// FileStore is a primitive around storing encrypted files
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type FileStore interface {
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Write([]byte) error
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Read() ([]byte, error)
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Delete()
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ChangeKey(newkey [32]byte)
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}
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// NewFileStore instantiates a fileStore given a filename and a password
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func NewFileStore(directory string, filename string, key [32]byte) FileStore {
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filestore := new(fileStore)
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filestore.key = key
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filestore.filename = filename
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filestore.directory = directory
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return filestore
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}
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// write serializes a cwtchPeer to a file
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func (fps *fileStore) Write(data []byte) error {
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encryptedbytes, err := EncryptFileData(data, fps.key)
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if err != nil {
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return err
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}
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err = os.WriteFile(path.Join(fps.directory, fps.filename), encryptedbytes, 0600)
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return err
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}
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func (fps *fileStore) Read() ([]byte, error) {
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return ReadEncryptedFile(fps.directory, fps.filename, fps.key)
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}
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func (fps *fileStore) Delete() {
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err := os.Remove(path.Join(fps.directory, fps.filename))
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if err != nil {
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log.Errorf("Deleting file %v\n", err)
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}
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}
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func (fps *fileStore) ChangeKey(newkey [32]byte) {
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fps.key = newkey
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}
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