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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
Download Patch File Download Diff File Expand all files Collapse all files

20
deltachat-ffi/deltachat.h
View File

@@ -3838,6 +3838,21 @@ int dc_chat_can_send (const dc_chat_t* chat);
int dc_chat_is_protected (const dc_chat_t* chat);
/**
* Check if the chat is encrypted.
*
* 1:1 chats with key-contacts and group chats with key-contacts
* are encrypted.
* 1:1 chats with emails contacts and ad-hoc groups
* created for email threads are not encrypted.
*
* @memberof dc_chat_t
* @param chat The chat object.
* @return 1=chat is encrypted, 0=chat is not encrypted.
*/
int dc_chat_is_encrypted (const dc_chat_t *chat);
/**
* Checks if the chat was protected, and then an incoming message broke this protection.
*
@@ -6886,6 +6901,7 @@ void dc_event_unref(dc_event_t* event);
/// "End-to-end encryption preferred."
///
/// Used to build the string returned by dc_get_contact_encrinfo().
/// @deprecated 2025-06-05
#define DC_STR_E2E_PREFERRED 34
/// "%1$s verified"
@@ -6898,12 +6914,14 @@ void dc_event_unref(dc_event_t* event);
///
/// Used in status messages.
/// - %1$s will be replaced by the name of the contact that cannot be verified
/// @deprecated 2025-06-05
#define DC_STR_CONTACT_NOT_VERIFIED 36
/// "Changed setup for %1$s."
///
/// Used in status messages.
/// - %1$s will be replaced by the name of the contact with the changed setup
/// @deprecated 2025-06-05
#define DC_STR_CONTACT_SETUP_CHANGED 37
/// "Archived chats"
@@ -7293,6 +7311,7 @@ void dc_event_unref(dc_event_t* event);
/// "%1$s changed their address from %2$s to %3$s"
///
/// Used as an info message to chats with contacts that changed their address.
/// @deprecated 2025-06-05
#define DC_STR_AEAP_ADDR_CHANGED 122
/// "You changed your email address from %1$s to %2$s.
@@ -7599,6 +7618,7 @@ void dc_event_unref(dc_event_t* event);
/// "The contact must be online to proceed. This process will continue automatically in background."
///
/// Used as info message.
/// @deprecated 2025-06-05
#define DC_STR_SECUREJOIN_TAKES_LONGER 192
/// "Contact". Deprecated, currently unused.

13
deltachat-ffi/src/lib.rs
View File

@@ -3153,6 +3153,18 @@ pub unsafe extern "C" fn dc_chat_is_protected(chat: *mut dc_chat_t) -> libc::c_i
ffi_chat.chat.is_protected() as libc::c_int
}
#[no_mangle]
pub unsafe extern "C" fn dc_chat_is_encrypted(chat: *mut dc_chat_t) -> libc::c_int {
if chat.is_null() {
eprintln!("ignoring careless call to dc_chat_is_encrypted()");
return 0;
}
let ffi_chat = &*chat;
block_on(ffi_chat.chat.is_encrypted(&ffi_chat.context))
.unwrap_or_log_default(&ffi_chat.context, "Failed dc_chat_is_encrypted") as libc::c_int
}
#[no_mangle]
pub unsafe extern "C" fn dc_chat_is_protection_broken(chat: *mut dc_chat_t) -> libc::c_int {
if chat.is_null() {
@@ -4303,6 +4315,7 @@ pub unsafe extern "C" fn dc_contact_get_verifier_id(contact: *mut dc_contact_t)
.context("failed to get verifier")
.log_err(ctx)
.unwrap_or_default()
.unwrap_or_default()
.unwrap_or_default();
verifier_contact_id.to_u32()