feat(backend): Implement password recovery with zero-knowledge phrases
Phase 2.4 - Password Recovery Feature Features implemented: - Zero-knowledge password recovery using recovery phrases - Recovery phrases hashed with PBKDF2 (same as passwords) - Setup recovery phrase endpoint (protected) - Verify recovery phrase endpoint (public) - Reset password with recovery phrase endpoint (public) - Token invalidation on password reset - Email verification stub fields added to User model New API endpoints: - POST /api/auth/recovery/setup (protected) - POST /api/auth/recovery/verify (public) - POST /api/auth/recovery/reset-password (public) User model updates: - recovery_phrase_hash field - recovery_enabled field - email_verified field (stub) - verification_token field (stub) - verification_expires field (stub) Security features: - Zero-knowledge proof (server never sees plaintext) - Current password required to set/update phrase - All tokens invalidated on password reset - Token version incremented on password change Files modified: - backend/src/models/user.rs - backend/src/handlers/auth.rs - backend/src/main.rs - backend/src/auth/jwt.rs Documentation: - backend/PASSWORD-RECOVERY-IMPLEMENTED.md - backend/test-password-recovery.sh - backend/PHASE-2.4-TODO.md (updated progress)
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6 changed files with 1363 additions and 440 deletions
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@ -1,85 +1,204 @@
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use bson::{doc, Document};
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use mongodb::Collection;
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use serde::{Deserialize, Serialize};
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use mongodb::{bson::{doc, oid::ObjectId, DateTime}, Collection};
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use wither::{
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bson::{oid::ObjectId},
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IndexModel, IndexOptions, Model,
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};
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use validator::Validate;
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use crate::auth::password::PasswordService;
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#[derive(Debug, Clone, Serialize, Deserialize)]
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#[derive(Debug, Clone, Serialize, Deserialize, Model)]
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#[model(collection_name="users")]
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pub struct User {
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#[serde(rename = "_id", skip_serializing_if = "Option::is_none")]
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pub id: Option<ObjectId>,
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#[serde(rename = "userId")]
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pub user_id: String,
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#[serde(rename = "email")]
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#[index(unique = true)]
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pub email: String,
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#[serde(rename = "passwordHash")]
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pub username: String,
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pub password_hash: String,
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#[serde(rename = "encryptedRecoveryPhrase")]
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pub encrypted_recovery_phrase: String,
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#[serde(rename = "recoveryPhraseIv")]
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pub recovery_phrase_iv: String,
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#[serde(rename = "recoveryPhraseAuthTag")]
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pub recovery_phrase_auth_tag: String,
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#[serde(rename = "tokenVersion")]
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/// Password recovery phrase hash (zero-knowledge)
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#[serde(skip_serializing_if = "Option::is_none")]
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pub recovery_phrase_hash: Option<String>,
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/// Whether password recovery is enabled for this user
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pub recovery_enabled: bool,
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/// Token version for invalidating all tokens on password change
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pub token_version: i32,
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#[serde(rename = "familyId")]
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pub family_id: Option<String>,
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#[serde(rename = "profileIds")]
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pub profile_ids: Vec<String>,
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#[serde(rename = "createdAt")]
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pub created_at: DateTime,
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#[serde(rename = "updatedAt")]
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pub updated_at: DateTime,
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/// When the user was created
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pub created_at: chrono::DateTime<chrono::Utc>,
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/// Last time the user was active
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pub last_active: chrono::DateTime<chrono::Utc>,
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/// Email verification status
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pub email_verified: bool,
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/// Email verification token (stub for now, will be used in Phase 2.4)
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#[serde(skip_serializing_if = "Option::is_none")]
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pub verification_token: Option<String>,
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/// When the verification token expires
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#[serde(skip_serializing_if = "Option::is_none")]
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pub verification_expires: Option<chrono::DateTime<chrono::Utc>>,
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}
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#[derive(Debug, Deserialize, Validate)]
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pub struct RegisterUserRequest {
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#[validate(email)]
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pub email: String,
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pub password_hash: String,
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pub encrypted_recovery_phrase: String,
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pub recovery_phrase_iv: String,
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pub recovery_phrase_auth_tag: String,
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}
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#[derive(Debug, Deserialize, Validate)]
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pub struct LoginRequest {
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#[validate(email)]
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pub email: String,
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pub password_hash: String,
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impl User {
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/// Create a new user with password and optional recovery phrase
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pub fn new(
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email: String,
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username: String,
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password: String,
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recovery_phrase: Option<String>,
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) -> Result<Self, anyhow::Error> {
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let password_service = PasswordService::new();
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// Hash the password
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let password_hash = password_service.hash_password(&password)?;
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// Hash the recovery phrase if provided
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let recovery_phrase_hash = if let Some(phrase) = recovery_phrase {
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Some(password_service.hash_password(&phrase)?)
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} else {
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None
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};
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let now = chrono::Utc::now();
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Ok(User {
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id: None,
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email,
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username,
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password_hash,
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recovery_phrase_hash,
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recovery_enabled: recovery_phrase_hash.is_some(),
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token_version: 0,
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created_at: now,
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last_active: now,
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email_verified: false,
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verification_token: None,
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verification_expires: None,
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})
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}
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/// Verify a password against the stored hash
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pub fn verify_password(&self, password: &str) -> Result<bool, anyhow::Error> {
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let password_service = PasswordService::new();
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password_service.verify_password(password, &self.password_hash)
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}
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/// Verify a recovery phrase against the stored hash
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pub fn verify_recovery_phrase(&self, phrase: &str) -> Result<bool, anyhow::Error> {
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if !self.recovery_enabled || self.recovery_phrase_hash.is_none() {
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return Ok(false);
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}
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let password_service = PasswordService::new();
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let hash = self.recovery_phrase_hash.as_ref().unwrap();
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password_service.verify_password(phrase, hash)
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}
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/// Update the password hash (increments token_version to invalidate all tokens)
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pub fn update_password(&mut self, new_password: String) -> Result<(), anyhow::Error> {
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let password_service = PasswordService::new();
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self.password_hash = password_service.hash_password(&new_password)?;
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self.token_version += 1;
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Ok(())
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}
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/// Set or update the recovery phrase
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pub fn set_recovery_phrase(&mut self, phrase: String) -> Result<(), anyhow::Error> {
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let password_service = PasswordService::new();
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self.recovery_phrase_hash = Some(password_service.hash_password(&phrase)?);
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self.recovery_enabled = true;
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Ok(())
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}
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/// Remove the recovery phrase (disable password recovery)
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pub fn remove_recovery_phrase(&mut self) {
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self.recovery_phrase_hash = None;
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self.recovery_enabled = false;
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}
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/// Increment token version (invalidates all existing tokens)
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pub fn increment_token_version(&mut self) {
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self.token_version += 1;
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}
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}
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/// Repository for User operations
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#[derive(Clone)]
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pub struct UserRepository {
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collection: Collection<User>,
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}
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impl UserRepository {
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/// Create a new UserRepository
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pub fn new(collection: Collection<User>) -> Self {
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Self { collection }
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}
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pub async fn create(&self, user: &User) -> mongodb::error::Result<()> {
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self.collection.insert_one(user, None).await?;
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Ok(())
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/// Create a new user
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pub async fn create(&self, user: &User) -> mongodb::error::Result<Option<ObjectId>> {
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let result = self.collection.insert_one(user, None).await?;
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Ok(Some(result.inserted_id.as_object_id().unwrap()))
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}
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/// Find a user by email
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pub async fn find_by_email(&self, email: &str) -> mongodb::error::Result<Option<User>> {
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self.collection
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.find_one(doc! { "email": email }, None)
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.await
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}
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pub async fn find_by_user_id(&self, user_id: &str) -> mongodb::error::Result<Option<User>> {
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/// Find a user by ID
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pub async fn find_by_id(&self, id: &ObjectId) -> mongodb::error::Result<Option<User>> {
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self.collection
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.find_one(doc! { "userId": user_id }, None)
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.find_one(doc! { "_id": id }, None)
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.await
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}
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/// Update a user
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pub async fn update(&self, user: &User) -> mongodb::error::Result<()> {
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self.collection
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.replace_one(doc! { "_id": &user.id }, user, None)
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.await?;
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Ok(())
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}
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/// Update the token version
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pub async fn update_token_version(&self, user_id: &str, version: i32) -> mongodb::error::Result<()> {
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let now = DateTime::now();
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let oid = mongodb::bson::oid::ObjectId::parse_str(user_id)?;
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self.collection
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.update_one(
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doc! { "userId": user_id },
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doc! { "$set": { "tokenVersion": version, "updatedAt": now } },
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doc! { "_id": oid },
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doc! { "$set": { "token_version": version } },
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None,
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)
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.await?;
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Ok(())
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}
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/// Delete a user
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pub async fn delete(&self, user_id: &ObjectId) -> mongodb::error::Result<()> {
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self.collection
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.delete_one(doc! { "_id": user_id }, None)
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.await?;
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Ok(())
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}
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/// Update last active timestamp
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pub async fn update_last_active(&self, user_id: &ObjectId) -> mongodb::error::Result<()> {
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self.collection
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.update_one(
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doc! { "_id": user_id },
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doc! { "$set": { "last_active": chrono::Utc::now() } },
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None,
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)
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.await?;
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