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feat: key-contacts

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This change introduces a new type of contacts
identified by their public key fingerprint
rather than an e-mail address.

Encrypted chats now stay encrypted
and unencrypted chats stay unencrypted.
For example, 1:1 chats with key-contacts
are encrypted and 1:1 chats with address-contacts
are unencrypted.
Groups that have a group ID are encrypted
and can only contain key-contacts
while groups that don't have a group ID ("adhoc groups")
are unencrypted and can only contain address-contacts.

JSON-RPC API `reset_contact_encryption` is removed.
Python API `Contact.reset_encryption` is removed.
"Group tracking plugin" in legacy Python API was removed because it
relied on parsing email addresses from system messages with regexps.

Co-authored-by: Hocuri <hocuri@gmx.de>
Co-authored-by: iequidoo <dgreshilov@gmail.com>
Co-authored-by: B. Petersen <r10s@b44t.com>
This commit is contained in:
link2xt
2025-06-26 14:07:39 +00:00
parent 7ac04d0204
commit 416131b4a2
84 changed files with 4735 additions and 6338 deletions
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54
python/src/deltachat/message.py
View File

@@ -2,7 +2,6 @@
import json
import os
import re
from datetime import datetime, timezone
from typing import Optional, Union
@@ -504,56 +503,3 @@ def get_viewtype_code_from_name(view_type_name):
raise ValueError(
f"message typecode not found for {view_type_name!r}, available {list(_view_type_mapping.keys())!r}",
)
#
# some helper code for turning system messages into hook events
#
def map_system_message(msg):
if msg.is_system_message():
res = parse_system_add_remove(msg.text)
if not res:
return None
action, affected, actor = res
affected = msg.account.get_contact_by_addr(affected)
actor = None if actor == "me" else msg.account.get_contact_by_addr(actor)
d = {"chat": msg.chat, "contact": affected, "actor": actor, "message": msg}
return "ac_member_" + res[0], d
def extract_addr(text):
m = re.match(r".*\((.+@.+)\)", text)
if m:
text = m.group(1)
text = text.rstrip(".")
return text.strip()
def parse_system_add_remove(text):
"""return add/remove info from parsing the given system message text.
returns a (action, affected, actor) triple
"""
# You removed member a@b.
# You added member a@b.
# Member Me (x@y) removed by a@b.
# Member x@y added by a@b
# Member With space (tmp1@x.org) removed by tmp2@x.org.
# Member With space (tmp1@x.org) removed by Another member (tmp2@x.org).",
# Group left by some one (tmp1@x.org).
# Group left by tmp1@x.org.
text = text.lower()
m = re.match(r"member (.+) (removed|added) by (.+)", text)
if m:
affected, action, actor = m.groups()
return action, extract_addr(affected), extract_addr(actor)
m = re.match(r"you (removed|added) member (.+)", text)
if m:
action, affected = m.groups()
return action, extract_addr(affected), "me"
if text.startswith("group left by "):
addr = extract_addr(text[13:])
if addr:
return "removed", addr, addr