mirror of
https://github.com/spacedriveapp/spacedrive.git
synced 2026-04-22 15:40:07 -04:00
b4dd9a9454
- Removed manual type definitions in favor of generated types from SpacedriveClient, enhancing type safety. - Refactored event handling in DaemonConnector to utilize a new type-safe Event enum for better clarity and maintainability. - Updated job management logic to align with the new event structure, improving real-time job tracking and state management. - Enhanced serialization and deserialization processes for various data structures to ensure compatibility with the Rust daemon output. - Removed obsolete schema generation binary and updated Cargo.toml to reflect changes in dependencies and project structure.
78 lines
2.0 KiB
Rust
78 lines
2.0 KiB
Rust
//! This module contains constant values, functions and types that are used around the crate.
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// DO NOT EDIT THIS FILE. IF THESE CONSTANTS CHANGE, THINGS CAN (AND PROBABLY WILL) BREAK
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// Stream functionality temporarily disabled due to aead::stream removal in 0.6.0-rc.2
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// use aead::stream::{Nonce, StreamLE31};
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use chacha20poly1305::XNonce;
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// XChaCha20Poly1305 temporarily unused due to stream functionality being disabled
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// use chacha20poly1305::XChaCha20Poly1305;
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pub type OneShotNonce = XNonce;
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// Temporary placeholder for StreamNonce until stream functionality is reimplemented
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pub type StreamNonce = [u8; 20];
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pub use chacha20poly1305::Tag;
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#[derive(Debug, Clone)]
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pub struct EncryptedBlock {
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pub nonce: OneShotNonce,
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pub cipher_text: Vec<u8>,
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}
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pub struct EncryptedBlockRef<'e> {
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pub nonce: &'e OneShotNonce,
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pub cipher_text: &'e [u8],
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}
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impl<'e> From<&'e [u8]> for EncryptedBlockRef<'e> {
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fn from(cipher_text: &'e [u8]) -> Self {
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let (nonce, cipher_text) = cipher_text.split_at(size_of::<OneShotNonce>());
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Self {
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nonce: nonce.try_into().expect("we split the correct amount"),
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cipher_text,
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}
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}
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}
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impl EncryptedBlock {
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/// The block size used for STREAM encryption/decryption. This size seems to offer
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/// the best performance compared to alternatives.
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///
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/// The file size gain is 24 bytes per 1MiB due to nonce of XChaCha20-Poly1305
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pub const PLAIN_TEXT_SIZE: usize = 1_048_576;
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/// The size of a encrypted block with its tag.
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pub const CIPHER_TEXT_SIZE: usize = Self::PLAIN_TEXT_SIZE + size_of::<Tag>();
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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#[test]
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fn test_encrypted_block_plain_text_size() {
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assert_eq!(EncryptedBlock::PLAIN_TEXT_SIZE, 1_048_576);
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}
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#[test]
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fn test_one_shot_nonce_size() {
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assert_eq!(size_of::<OneShotNonce>(), 24);
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}
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#[test]
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fn test_stream_nonce_size() {
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assert_eq!(size_of::<StreamNonce>(), 20);
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}
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#[test]
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fn xchacha_tag_size() {
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assert_eq!(size_of::<Tag>(), 16);
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}
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#[test]
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fn test_encrypted_block_cipher_text_size() {
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assert_eq!(EncryptedBlock::CIPHER_TEXT_SIZE, 1_048_576 + 16);
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}
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}
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