96 lines
5 KiB
Markdown
96 lines
5 KiB
Markdown
# Seedvault
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[](https://github.com/seedvault-app/seedvault/actions/workflows/build.yml)
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A backup application for the [Android Open Source Project](https://source.android.com/).
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If you are having an issue/question, please look at our [FAQ](https://github.com/seedvault-app/seedvault/wiki/FAQ).
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## Components
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* [Local Contacts Backup](contactsbackup) - an app that backs up local on-device contacts
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* [Storage library](storage) - a library handling efficient backup of files
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* [Seedvault app](app) - the main app where all functionality comes together
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## Features
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- Backup application data to a flash drive.
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- Restore application data from a flash drive.
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- User-friendly encryption using a mnemonic phrase (BIP39).
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- Automatic daily backups that run in the background.
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## Requirements
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SeedVault is developed along with AOSP releases
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We update it every time Google releases a new Android version, make any changes required for basic functionality, and any improvements possible through API changes in the OS.
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This means that for ROMs using SeedVault it's recommended to use the same branch as your android version
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- This current branch `android15` is meant for usage with Android 15
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- This is indicated by the version name starting with `15`, and the version code starting with `35` - the Android 15 API version
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For older versions of Android, check out [the branches](https://github.com/seedvault-app/seedvault/branches).
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Trying to use an older branch on a newer version may lead to issues and is not something we can support.
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## Getting Started
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- Check out [the wiki](https://github.com/seedvault-app/seedvault/wiki) for information on building the application with
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AOSP.
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## What makes this different?
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This application is compiled with the operating system and does not require a rooted device for use.
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It uses the same internal APIs as `adb backup` which is deprecated and thus needs a replacement.
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## Permissions
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* `android.permission.BACKUP` to back up application data.
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* `android.permission.ACCESS_NETWORK_STATE` to check if there is internet access when network storage is used.
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* `android.permission.MANAGE_USB` to access the serial number of USB mass storage devices.
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* `android.permission.WRITE_SECURE_SETTINGS` to change system backup settings and enable call log backup.
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* `android.permission.QUERY_ALL_PACKAGES` to get information about all installed apps for backup.
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* `android.permission.QUERY_USERS` to get the name of the user profile that gets backed up.
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* `android.permission.INSTALL_PACKAGES` to re-install apps when restoring from backup.
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* `android.permission.MANAGE_EXTERNAL_STORAGE` to backup and restore files from device storage.
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* `android.permission.ACCESS_MEDIA_LOCATION` to backup original media files e.g. without stripped EXIF metadata.
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* `android.permission.FOREGROUND_SERVICE` to do periodic storage backups without interruption.
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* `android.permission.FOREGROUND_SERVICE_DATA_SYNC` to do periodic storage backups without interruption.
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* `android.permission.MANAGE_DOCUMENTS` to retrieve the available storage roots (optional) for better UX.
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* `android.permission.USE_BIOMETRIC` to authenticate saving a new recovery code
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* `android.permission.INTERACT_ACROSS_USERS_FULL` to use storage roots in other users (optional).
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* `android.permission.POST_NOTIFICATIONS` to inform users about backup status and errors.
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## Contributing
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Bug reports and pull requests are welcome on GitHub at https://github.com/seedvault-app/seedvault.
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See [DEVELOPMENT.md](app/development/DEVELOPMENT.md) for information on developing Seedvault locally.
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This project aims to adhere to the [official Kotlin coding style](https://developer.android.com/kotlin/style-guide).
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## Third-party tools
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> **⚠ WARNING**: the Seedvault developers make no guarantees about external software projects.
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> Please be aware that disclosing your secret recovery key to other software has security risks.
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The [Seedvault backup parser](https://github.com/tlambertz/seedvault_backup_parser)
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allows you to decrypt and inspect your backups (version 0 backup).
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It can also re-encrypt them.
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The [Seedvault extractor](https://github.com/jackwilsdon/seedvault-extractor)
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allows you to decrypt and inspect your backups from newer versions of Seedvault (version 1 backup).
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It is currently work-in-progress.
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## License
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This application is available as open source under the terms of the [Apache-2.0 License](https://opensource.org/licenses/Apache-2.0).
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## Funding
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### Calyx Institute
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This project is primarily developed and maintained by the [Calyx Institute](https://calyxinstitute.org/)
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for usage in [CalyxOS](https://calyxos.org/).
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### NGI0 PET Fund
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This project was funded through the [NGI0 PET Fund](https://nlnet.nl/project/Seedvault/),
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a fund established by [NLnet](https://nlnet.nl)
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with financial support from the European Commission's Next Generation Internet programme,
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under the aegis of DG Communications Networks, Content and Technology
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under grant agreement No 825310.
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