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electron/docs/api/safe-storage.md
Robo 34e7c3696a
feat: expose safestorage backend information on linux (#38873) 
* feat: expose safestorage backend information on linux

* Remove gnome-keyring

Refs https://chromium-review.googlesource.com/c/chromium/src/+/4609704
2023-07-13 11:14:33 +02:00

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safeStorage

Allows access to simple encryption and decryption of strings for storage on the local machine.

Process: Main

This module protects data stored on disk from being accessed by other applications or users with full disk access.

Note that on Mac, access to the system Keychain is required and these calls can block the current thread to collect user input. The same is true for Linux, if a password management tool is available.

Methods

The safeStorage module has the following methods:

safeStorage.isEncryptionAvailable()

Returns boolean - Whether encryption is available.

On Linux, returns true if the app has emitted the ready event and the secret key is available. On MacOS, returns true if Keychain is available. On Windows, returns true once the app has emitted the ready event.

safeStorage.encryptString(plainText)

  • plainText string

Returns Buffer - An array of bytes representing the encrypted string.

This function will throw an error if encryption fails.

safeStorage.decryptString(encrypted)

  • encrypted Buffer

Returns string - the decrypted string. Decrypts the encrypted buffer obtained with safeStorage.encryptString back into a string.

This function will throw an error if decryption fails.

safeStorage.setUsePlainTextEncryption(usePlainText)

  • usePlainText boolean

This function on Linux will force the module to use an in memory password for creating symmetric key that is used for encrypt/decrypt functions when a valid OS password manager cannot be determined for the current active desktop environment. This function is a no-op on Windows and MacOS.

safeStorage.getSelectedStorageBackend() Linux

Returns string - User friendly name of the password manager selected on Linux.

This function will return one of the following values:

  • basic_text - When the desktop environment is not recognised or if the following command line flag is provided --password-store="basic".
  • gnome_libsecret - When the desktop environment is X-Cinnamon, Deepin, GNOME, Pantheon, XFCE, UKUI, unity or if the following command line flag is provided --password-store="gnome-libsecret".
  • kwallet - When the desktop session is kde4 or if the following command line flag is provided --password-store="kwallet".
  • kwallet5 - When the desktop session is kde5 or if the following command line flag is provided --password-store="kwallet5".
  • kwallet6 - When the desktop session is kde6.
  • unknown - When the function is called before app has emitted the ready event.