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add multi-device sync (#2669)

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* add basic multi-device-sync functions

* generate json

* add context.parse_sync_items()

* add context.execute_sync_items()

* piggyback sync-commands message, add body for human-readable part

* avoid double json renderings

* mimeparser parses incoming .json sync-files

* do not piggyback sync-files

* execute sync items

* return status of send_sync_msg()

* send sync messages as multipart/report

* add a per-item-timestamp and also allow adding other per-item-fields in the future

* if the self-chat does not exist, create it blocked/hidden

* create tokens closer to real qr-code needs

* respect bcc_self setting, add test for that

* sync qr code tokens after promoting groups

* send sync-messages only if an experimental switch is set

* trigger send_sync_msg() after sending messages and after creating/redraw/revive qr-code

* add DC_STR_* constants to deltachat.h

* adapt to refactored qr module as of #2729

* tweak test

* use SendSyncMsgs config name instead of SendExperimentalSyncMsgs - we can remove or rename the config nevertheless, but have the option to keep it without renaming

* tweak docs

* remove currently unused effective timestamp calculation

* clarify when send_sync_msg() is called

* make sure, sync-messages are encrypted and are sent by SELF

* tweak docs, fix typos
This commit is contained in:
bjoern
2021-10-25 12:40:32 +02:00
committed by GitHub
parent bb97d842df
commit 65f09c238b
16 changed files with 719 additions and 16 deletions
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15
src/securejoin.rs
View File

@@ -30,6 +30,7 @@ use crate::token;
mod bobstate;
mod qrinvite;
use crate::token::Namespace;
use bobstate::{BobHandshakeStage, BobState, BobStateHandle};
use qrinvite::QrInvite;
@@ -171,8 +172,11 @@ pub async fn dc_get_securejoin_qr(context: &Context, group: Option<ChatId>) -> R
// invitenumber will be used to allow starting the handshake,
// auth will be used to verify the fingerprint
let invitenumber = token::lookup_or_new(context, token::Namespace::InviteNumber, group).await;
let auth = token::lookup_or_new(context, token::Namespace::Auth, group).await;
let sync_token = token::lookup(context, Namespace::InviteNumber, group)
.await?
.is_none();
let invitenumber = token::lookup_or_new(context, Namespace::InviteNumber, group).await;
let auth = token::lookup_or_new(context, Namespace::Auth, group).await;
let self_addr = match context.get_config(Config::ConfiguredAddr).await {
Ok(Some(addr)) => addr,
Ok(None) => {
@@ -208,7 +212,9 @@ pub async fn dc_get_securejoin_qr(context: &Context, group: Option<ChatId>) -> R
let chat = Chat::load_from_db(context, group).await?;
let group_name = chat.get_name();
let group_name_urlencoded = utf8_percent_encode(group_name, NON_ALPHANUMERIC).to_string();
if sync_token {
context.sync_qr_code_tokens(Some(chat.id)).await?;
}
format!(
"OPENPGP4FPR:{}#a={}&g={}&x={}&i={}&s={}",
fingerprint.hex(),
@@ -220,6 +226,9 @@ pub async fn dc_get_securejoin_qr(context: &Context, group: Option<ChatId>) -> R
)
} else {
// parameters used: a=n=i=s=
if sync_token {
context.sync_qr_code_tokens(None).await?;
}
format!(
"OPENPGP4FPR:{}#a={}&n={}&i={}&s={}",
fingerprint.hex(),