8 Commits
Author SHA1 Message Date
Linus Rath 88d64b7f95 fix: protect the keys to the mail on this device for real
The review found the store key readable from a copy of the disk. The
desktop app only added its OS layer with the lock on, the record from
before a lock stayed in LevelDB and opened the mail with no PIN, any
frame could unwrap the PIN record and guess at it, a lock left the key
in the renderer's memory, and a store waiting after a refused login went
to whoever signed in next under the same username@host.

- The desktop app wraps the store key with safeStorage, lock or no lock.
  A record without the layer gets it at its next open. A refusal is said
  out loud, and only a computer with no key store goes without, which
  settings say. So do they for a browser, which has no such layer.
- A record that gained layers, and every record after a changed PIN, asks
  for a new key: `sqlite3_backup` into a new file under a new key while
  the store keeps working, one write to the record, then the old file
  goes. A changed PIN makes a new lock key, since the old PIN's record
  stays on disk too. The passkey and OS unlock go with the old key.
- `wrap` and `unwrap` come through `claim()`, and the key under the PIN
  takes a secret from main, one counted trip per guess.
- A lock on the desktop ends the renderer rather than reload in it.
- A sign-in compares the waiting store's JMAP account and server first,
  and wipes on a mismatch. The account id keeps its form: every store,
  setting and server record of an account is keyed by it.
- The 30 days also run in an app that stays open.

Changes an existing assertion: turning the lock off now keeps the
safeStorage layer, by decision, so that test expects it to stay.
2026-11-04 04:15:31 +01:00
Linus Rath af6cdfb997 fix: keep unsent mail through the idle and session limits, and mark a signed-out account in the switcher
The timers used to delete everything an account kept, unsent mail included.
They now follow the refused-login rule: sign out and hide, the next sign-in
brings it back, otherwise it goes after 30 days. A login without "Remember
me" that ends with the browser, an admin wipe and a wipe from settings don't
change.

- `wipeOnRefusedLogin` is now `wipeOnForcedSignOut`, since it also covers the
  limits. The server's `SESSION_TOO_OLD` goes the same way, as `session`.
- A refused account beside one that stays signed in shows in the switcher as
  needing sign-in, with the count and the date, and gets one toast.

Existing tests changed because the rule did: the session timer tests expected
a plain `logoutAll`, and the auth store tests expected no hook at the session
limit.
2026-11-03 16:36:13 +01:00
Linus Rath 940a572844 feat: hide an account's mail when its login is refused, until the new password or 30 days
A refused login used to delete the account's data, and with it everyone's
S/MIME and OpenPGP keys, also with offline off. The usual cause is a password
changed on another device, which Stalwart 0.16 and 1.0 both answer with
`invalid_grant`, so that lost unsent mail for little protection.

- A refused login signs out at once and hides the data. A new password brings
  it back, unsent mail included. Otherwise it goes after 30 days. The sign-in
  page gives a count and a date. The 24-hour timer is gone.
- `organisation.devices.wipeOnRefusedLogin`, off by default, asks for deletion
  at once, of that account's own data only.
- The session limit no longer counts as a refusal on any route. It hides the
  data and says nothing.
- A wipe runs under a Web Lock, tells other windows when it starts and ends,
  and queues its report before deleting anything. It reports only once the
  deletion worked and no plugin database is left.
- More goes with a wipe: Pro tabs, search history, Files and WebDAV state,
  templates, pop-out drafts, shown notifications, push state, and Web Push
  with the last account.
- The unsent count is per account, and unknown rather than 0 when the store
  can't say. A new row is checked against the account that asked, and a
  sign-out drops its row.

Existing tests changed because the rule did: `auth-store-keep-local.test.ts`
expected a wipe on `invalid_grant` and at the session limit, and
`device-wipe.test.ts` expected shared keys to go on a refused login.
2026-11-03 15:11:47 +01:00
Linus Rath 8d802e4601 fix: decide on offline policy only with the whole policy and the user's groups, and ask before losing edits
A persisted account id with no subject yet read as decided: Everyone's
noOffline wiped mail a group scope allowed, and a wider scope went out at
every reload. A public, partial policy counted as the organisation's word,
and turned on the desktop default in a forbidding organisation.

- an organisation's cap on one file now binds a pin
- Clear and the off switch read what would be lost when asked, messages,
  changes and drafts, and Clear waits for a connection
- turning one account off survives the last one going off, and off then on
  no longer warns of an eviction
- a tab that takes over the store sends no scope until it has heard the policy
- a dropped account is judged by what applies to anyone
- a choice reaches the store once it settles; progress announces phases only
- restored Pro tabs ask for their titles
2026-11-03 12:33:53 +01:00
Linus Rath b001cbf109 feat: show what each account keeps on the device and let it be changed and cleared
The offline section of Settings > Backup & reset now shows, per account, the
space each part takes, the last sync, a first sync's progress with the time
left, the window and attachment choices, and clearing the account. All
conflicts, calendar and contacts too, are listed there and counted in the
banner.

- the organisation's caps beat the user's choice and the desktop default, and
  every path that takes a scope goes through `effectiveScope`
- the desktop app keeps mail without asking, says so once, and stays off for
  an account where the user turned it off
- `navigator.storage.persist()` is asked on turning it on, and a refusal
  warns with a way to ask again; Safari gets the 7-day hint when not installed
- a store the browser deleted is noticed, says what was lost and syncs again
- a full disk says so, with what to do
- those who had offline mode keep it, with the 30 days they had
- Keep offline in the Files app's menu
2026-11-03 08:57:41 +01:00
Linus Rath c76ba0fee2 feat: let organisations cap what devices keep offline 2026-11-03 08:11:43 +01:00
Linus Rath 5fa1722392 feat: let admins forbid offline mode 2026-11-01 11:46:11 +01:00
Linus Rath 123018f322 feat: add the policy sections and admin pages for the enterprise features 2026-11-01 04:20:02 +01:00