2848d79915
Rust backend: SQLite (WAL mode, 8 tables), vault encryption (Argon2id + AES-256-GCM), settings/connections/credentials services, 19 Tauri command wrappers. 46/46 tests passing. Vue 3 frontend: unlock/create vault flow, Pinia app store, Tailwind CSS v4 dark theme with Wraith branding. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
94 lines
3.2 KiB
Rust
94 lines
3.2 KiB
Rust
use tauri::State;
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use crate::vault::{self, VaultService};
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use crate::credentials::CredentialService;
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use crate::AppState;
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/// Returns `true` if no vault has ever been created on this machine.
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///
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/// The frontend shows the first-run setup screen when this returns `true`.
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#[tauri::command]
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pub fn is_first_run(state: State<'_, AppState>) -> bool {
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state.is_first_run()
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}
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/// Create a new vault protected by `password`.
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///
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/// Derives a 256-bit key from the password, encrypts a known check value,
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/// persists the salt and check value to the settings table, and activates
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/// the vault for the current session.
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///
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/// Returns `Err` if the vault has already been set up or if any storage
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/// operation fails.
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#[tauri::command]
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pub fn create_vault(password: String, state: State<'_, AppState>) -> Result<(), String> {
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if !state.is_first_run() {
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return Err("Vault already exists — use unlock instead of create".into());
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}
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let salt = vault::generate_salt();
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let key = vault::derive_key(&password, &salt);
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let vs = VaultService::new(key);
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// Persist the salt so we can re-derive the key on future unlocks.
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state.settings.set("vault_salt", &hex::encode(salt))?;
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// Persist a known-plaintext check so unlock can verify the password.
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let check = vs.encrypt("wraith-vault-check")?;
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state.settings.set("vault_check", &check)?;
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// Activate the vault and credentials service for this session.
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let cred_svc = CredentialService::new(state.db.clone(), VaultService::new(key));
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*state.credentials.lock().unwrap() = Some(cred_svc);
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*state.vault.lock().unwrap() = Some(vs);
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Ok(())
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}
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/// Unlock an existing vault using the master password.
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///
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/// Re-derives the key from the stored salt, decrypts the check value to
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/// verify the password is correct, then activates the vault for the session.
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///
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/// Returns `Err("Incorrect master password")` if the password is wrong.
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#[tauri::command]
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pub fn unlock(password: String, state: State<'_, AppState>) -> Result<(), String> {
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let salt_hex = state
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.settings
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.get("vault_salt")
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.ok_or_else(|| "Vault has not been set up — call create_vault first".to_string())?;
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let salt = hex::decode(&salt_hex)
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.map_err(|e| format!("Stored vault salt is corrupt: {e}"))?;
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let key = vault::derive_key(&password, &salt);
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let vs = VaultService::new(key);
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// Verify the password by decrypting the check value.
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let check_blob = state
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.settings
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.get("vault_check")
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.ok_or_else(|| "Vault check value is missing — vault may be corrupt".to_string())?;
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let check_plain = vs
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.decrypt(&check_blob)
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.map_err(|_| "Incorrect master password".to_string())?;
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if check_plain != "wraith-vault-check" {
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return Err("Incorrect master password".into());
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}
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// Activate the vault and credentials service for this session.
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let cred_svc = CredentialService::new(state.db.clone(), VaultService::new(key));
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*state.credentials.lock().unwrap() = Some(cred_svc);
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*state.vault.lock().unwrap() = Some(vs);
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Ok(())
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}
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/// Returns `true` if the vault is currently unlocked for this session.
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#[tauri::command]
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pub fn is_unlocked(state: State<'_, AppState>) -> bool {
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state.is_unlocked()
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}
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