For now, do this only for `OneOneChat` and `MailingListOrBroadcast`, this is enough to correctly
support messages from modern Delta Chat versions sending Intended Recipient Fingerprint subpackets
and single-recipient messages from modern versions of other MUAs.
It only looks up contacts by address in the given chat, so `_fallback_to_chat` suffix is more
informative. It's obvious that such a lookup is done by address, there are no other reasonable
options.
This is an important thing forgotten to be checked in 332527089.
Also there's another test which currently doesn't work as we want: outgoing encrypted messages
continue to arrive to ad-hoc group even if we already have contact's key. This should be fixed by
sending and receiving Intended Recipient Fingerprint subpackets.
The good thing is that apparently there are no scenarios requiring the contact to update their
software, the user should just update own devices.
This is not possible for webxdcs and vCards currently however, so add workarounds for them:
- Use translated "Mini App" as the webxdc name.
- Use just "👤" instead of the vCard summary (i.e. the vCard contact name).
I.e. create a non-replyable ad-hoc group in such cases. Unencrypted replies to encrypted messages
are a security issue and "Composing a Reply Message" from RFC 9787 and "Replying and Forwarding
Guidance" from RFC 9788 forbid such replies.
If From is an address-contact, it mustn't be able to modify an encrypted group. If From is a
key-contact, it mustn't be added to members of an unencrypted group.
See: https://support.delta.chat/t/high-quality-avatar/1052/8
This removes an additional resolution-reduction for images that fit
within the resolution-limit.
The additional reduction of the image-resolution was added in
b7864f232b.
It seems that back then only resolution-reduction was used to make the
file-size of images smaller, and the purpose was to skip an unnecessary
encoding-step.
However, encoding images with [jpeg-quality set to
`75`](a6b2a54e46/src/blob.rs (L392)),
as it is currently done, can significantly reduce the file-size, even if
the resolution is the same. As the resolution of the image that will be
encoded is rather low when it fits within the resolution-limit, further
reducing it can significantly reduce the quality of the image.
Thus it is better to not skip the encoding-step at the original
resolution.
this PR cleans up with some easy, deprecated stuff.
i roughly checked that they are no longer in use - by these checks,
other deprecated function were kept, eg.
dc_provider_new_from_email_with_dns() and dc_chat_is_protected() is
still used by deltatouch - to not add noise there, we remove them here
on the next cleanup ...
for DC_STR_*, however, if they are in used, the corresponding lines
should just be removed
this will cleanup https://c.delta.chat/deprecated.html as well
resolves#7724: When forwarding a message with file to another profile, the file was not copied to the target $blobdir and so the forwarded message missed it
---------
Co-authored-by: Hocuri <hocuri@gmx.de>
If `Message::load_from_db_optional()` or `set_msg_failed()` fails, we
shouldn't early-return. Because it's important that the line
`execute("DELETE FROM smtp WHERE id=?", (rowid,))` is executed in order
to prevent an infinite loop, if one of these functions fails.
Otherwise if the user reads messages being offline and then the device comes online, sent MDNs will
remove all notifications from other devices even if new messages have arrived. Notifications not
removed at all look more acceptable.
This PR fixes a bug that old channel members were remembered in the
database even after they left the channel. Concretely, they remained in
the `past_members` table that's only meant for groups.
Though it was not a bad bug; we're anyways not cleaning up old contacts.
