Add protected-headers="v1" directive to Content-Type of an encrypted/signed MIME so that other MUAs
like Thunderbird display the true message Subject instead of "...".
For example, reader_loop() may die
if readline() tries to read too large line
and thows an exception.
We want to at least log the exception in this case.
This certificate does not exist on older Android phones.
It is already added manually for IMAP and SMTP,
this commit adds the same certificate for HTTP requests.
it may happen that percentages larger than 100% are reported by the provider,
eg. for some time a storage usage of 120% may be accepted.
while we should report the values "as is" to the user,
for the bar, percentages larger 100% will destroy the layout.
9bd7ab72 brings a possibility of group membership inconsistency to the original Hocuri's algo
described and implemented in e12e026b in sake of security so that nobody can add themselves to a
group by forging "InReplyTo" and other headers. This commit fixes the problem by removing group
members locally if we see a discrepancy with the "To" list in the received message as it is better
for privacy than adding absent members locally. But it shouldn't be a big problem if somebody missed
a member addition, because they will likely recreate the member list from the next received
message. The problem occurs only if that "somebody" managed to reply earlier. Really, it's a problem
for big groups with high message rate, but let it be for now.
Also:
- Query chat contacts from the db only once.
- Update chat contacts in the only transaction, otherwise we can just break the chat contact list
halfway.
- Allow classic MUA messages to remove group members if a parent message is missing. Currently it
doesn't matter because unrelated messages go to new ad-hoc groups, but let this logic be outside
of apply_group_changes(). Just in case if there will be a MUA preserving "Chat-Group-ID" header
f.e.
The code removed is an incomplete implementation of skipping
the Legacy Display Part specified in
https://www.ietf.org/archive/id/draft-autocrypt-lamps-protected-headers-02.html#section-5.2
The code does not fully implement the specification, e.g.
it does not check that there are exactly two parts.
Delta Chat and Thunderbird are not adding this part anyway,
and it is defined as "transitional" in the draft.
This also removes misplaced warning "Ignoring nested protected headers"
that is printed for every incoming Delta Chat message
since commit 5690c48863
which is part of the PR <https://github.com/deltachat/deltachat-core-rust/pull/982>.
A few people got the impression that if you send 6 messages
in a burst you'll only be able to send the next one in 60 seconds.
Hopefully this can resolve it.
This is an RFC 2045 requirement for base64-encoded MIME parts.
Previously referenced RFC 5322 requirement
is a general Internet Message Format requirement
and is more generous.
Previously it was required that a directory path is provided to the import API.
Now it is possible to point directly to the .asc file containing a secret key.
This allows UI to present a file selection dialog to the user
and let select the file directly.
Selecting a directory is still supported for backwards compatibility.
Such a message may be assigned to a wrong chat (e.g. undecipherable group msgs often get assigned to
the 1:1 chat with the sender). Add `DownloadState::Undecipherable` so that messages referencing
undecipherable ones don't go to that wrong chat too. Also do not reply to not fully downloaded
messages. Before `Message.error` was checked for that purpose, but a message can be error for many
reasons.
Previously only one connection, the one used to change the key,
was working after passphrase change.
With this fix the whole pool of connections
is recreated on passphrase change, so there is no need
to reopen the database manually.
These constants are current defaults in `pgp` crate,
this change would prevent accidental change due to rPGP upgrade
and make it easier to change in a single place.
It can be not good for membership consistency if we missed a message adding a member, but improves
security because nobody can add themselves to a group from now on.
