fix: URL-decode DAV paths with spaces + feat: app passwords for Basic Auth

Bug fix:
- URL-decode paths in extract_webdav_path(), extract_caldav_path(),
  extract_carddav_path() so folders with spaces (e.g. 'My Folder') no
  longer return 404 when accessed via encoded URIs (%20)
- Properly encode href values in PROPFIND/PROPPATCH/LOCK XML responses
- Decode Destination header in MOVE/COPY operations

New feature - App Passwords (API keys for DAV clients):
- POST /api/auth/app-passwords  → create (shows token once)
- GET  /api/auth/app-passwords  → list (prefix only)
- DELETE /api/auth/app-passwords/:id → revoke
- Auth middleware now accepts both Bearer JWT and Basic Auth
- Argon2 hashed, scoped (webdav/caldav/carddav), optional expiry
- Compatible with DAVx5, Thunderbird, rclone, curl

Tested: 12/12 E2E tests pass (create, list, WebDAV/CalDAV/CardDAV
Basic Auth, URL-decode with spaces, wrong password 401, revoke, post-
revoke 401).
This commit is contained in:
Dionisio
2026-03-01 20:34:12 +01:00
parent 48d853360e
commit 81987e9321
21 changed files with 963 additions and 68 deletions
@@ -0,0 +1,239 @@
//! App Password application service.
//!
//! Orchestrates creation, verification, listing, and revocation of
//! application-specific passwords for DAV clients.
use crate::application::dtos::app_password_dto::*;
use crate::application::ports::auth_ports::{
AppPasswordStoragePort, PasswordHasherPort, UserStoragePort,
};
use crate::common::errors::DomainError;
use crate::domain::entities::app_password::AppPassword;
use chrono::{Duration, Utc};
use std::sync::Arc;
/// App password token length (32 random alphanumeric chars after prefix).
const TOKEN_LENGTH: usize = 32;
/// Prefix for all app password tokens (makes them easily identifiable).
const TOKEN_PREFIX: &str = "oxicloud-";
pub struct AppPasswordService {
repo: Arc<dyn AppPasswordStoragePort>,
hasher: Arc<dyn PasswordHasherPort>,
user_repo: Arc<dyn UserStoragePort>,
base_url: String,
}
impl AppPasswordService {
pub fn new(
repo: Arc<dyn AppPasswordStoragePort>,
hasher: Arc<dyn PasswordHasherPort>,
user_repo: Arc<dyn UserStoragePort>,
base_url: String,
) -> Self {
Self {
repo,
hasher,
user_repo,
base_url,
}
}
/// Generate a random app password token using cryptographic RNG.
fn generate_token() -> String {
use rand_core::{OsRng, RngCore};
let charset: &[u8] = b"abcdefghijklmnopqrstuvwxyz\
ABCDEFGHIJKLMNOPQRSTUVWXYZ\
0123456789";
let mut rng_bytes = [0u8; TOKEN_LENGTH];
OsRng.fill_bytes(&mut rng_bytes);
let random_part: String = rng_bytes
.iter()
.map(|&b| {
let idx = (b as usize) % charset.len();
charset[idx] as char
})
.collect();
format!("{}{}", TOKEN_PREFIX, random_part)
}
/// Create a new app password for the given user.
///
/// Returns the response DTO that includes the plain-text password (shown only once).
pub async fn create(
&self,
user_id: &str,
request: CreateAppPasswordRequestDto,
) -> Result<AppPasswordCreatedResponseDto, DomainError> {
// Validate label
let label = request.label.trim().to_string();
if label.is_empty() || label.len() > 255 {
return Err(DomainError::validation_error(
"Label must be 1-255 characters",
));
}
// Fetch user for the username (needed for Basic Auth instructions)
let user = self.user_repo.get_user_by_id(user_id).await?;
let username = user.username().to_string();
// Generate the plain-text token
let plain_token = Self::generate_token();
let prefix = plain_token[..TOKEN_PREFIX.len() + 8].to_string();
// Hash the token for storage
let password_hash = self.hasher.hash_password(&plain_token).await?;
// Calculate expiration
let expires_at = request.expires_in_days.map(|days| {
Utc::now() + Duration::days(days as i64)
});
// Create entity
let app_password = AppPassword::new(
user_id.to_string(),
label.clone(),
password_hash,
prefix.clone(),
request.scopes.clone(),
expires_at,
);
let saved = self.repo.create(app_password).await?;
let expires_str = saved
.expires_at
.map(|dt| dt.to_rfc3339());
let curl_example = format!(
"curl -u '{}:{}' -X PROPFIND {}/webdav/",
username, plain_token, self.base_url
);
Ok(AppPasswordCreatedResponseDto {
id: saved.id,
label,
password: plain_token,
username: username.clone(),
scopes: request.scopes,
expires_at: expires_str,
instructions: AppPasswordInstructions {
davx5: format!(
"In DAVx⁵, add account with base URL: {}/webdav/\n\
Username: {}\n\
Password: (the token shown above)",
self.base_url, username
),
thunderbird: format!(
"In Thunderbird CalDAV/CardDAV:\n\
URL: {}/caldav/ or {}/carddav/\n\
Username: {}\n\
Password: (the token shown above)",
self.base_url, self.base_url, username
),
rclone: format!(
"rclone config:\n\
type = webdav\n\
url = {}/webdav/\n\
vendor = other\n\
user = {}\n\
pass = (the token shown above, use 'rclone obscure' to encode)",
self.base_url, username
),
curl_example,
},
})
}
/// List all app passwords for a user (excludes plain-text passwords).
pub async fn list(&self, user_id: &str) -> Result<AppPasswordListResponseDto, DomainError> {
let passwords = self.repo.list_by_user(user_id).await?;
let total = passwords.len();
let app_passwords = passwords
.into_iter()
.map(|ap| {
let is_active = ap.active && !ap.is_expired();
AppPasswordSummaryDto {
id: ap.id,
label: ap.label,
prefix: format!("{}...", ap.prefix),
scopes: ap.scopes,
created_at: ap.created_at.to_rfc3339(),
last_used_at: ap.last_used_at.map(|dt| dt.to_rfc3339()),
expires_at: ap.expires_at.map(|dt| dt.to_rfc3339()),
active: is_active,
}
})
.collect();
Ok(AppPasswordListResponseDto {
app_passwords,
total,
})
}
/// Revoke (soft-delete) an app password. Verifies ownership.
pub async fn revoke(&self, user_id: &str, id: &str) -> Result<AppPasswordRevokeResponseDto, DomainError> {
let ap = self.repo.get_by_id(id).await?;
if ap.user_id != user_id {
return Err(DomainError::unauthorized(
"You can only revoke your own app passwords",
));
}
self.repo.revoke(id).await?;
Ok(AppPasswordRevokeResponseDto {
status: "revoked".to_string(),
id: id.to_string(),
})
}
/// Verify username + app password for HTTP Basic Auth.
///
/// Returns `(user_id, username, email, role)` on success.
pub async fn verify_basic_auth(
&self,
username: &str,
password: &str,
) -> Result<(String, String, String, String), DomainError> {
// Look up user by username
let user = self
.user_repo
.get_user_by_username(username)
.await
.map_err(|_| DomainError::unauthorized("Invalid username or app password"))?;
// Get all active app passwords for this user
let app_passwords = self
.repo
.get_active_by_user_id(user.id())
.await?;
if app_passwords.is_empty() {
return Err(DomainError::unauthorized(
"Invalid username or app password",
));
}
// Try each app password hash
for ap in &app_passwords {
if let Ok(true) = self.hasher.verify_password(password, &ap.password_hash).await {
// Update last_used_at (fire-and-forget; don't fail auth on touch error)
let _ = self.repo.touch_last_used(&ap.id).await;
return Ok((
user.id().to_string(),
user.username().to_string(),
user.email().to_string(),
user.role().to_string(),
));
}
}
Err(DomainError::unauthorized(
"Invalid username or app password",
))
}
}