feat: do not collect email addresses from messages after configuration

This can only result in adding unencrypted email-contacts
and we do not want to encourage creating unencrypted chats.
This commit is contained in:
link2xt
2026-01-27 02:52:06 +00:00
committed by l
parent f0a12d493c
commit 26ddcfaaed
6 changed files with 4 additions and 195 deletions

View File

@@ -175,11 +175,6 @@ pub enum Config {
#[strum(props(default = "0"))] // also change MediaQuality.default() on changes
MediaQuality,
/// If set to "1", then existing messages are considered to be already fetched.
/// This flag is reset after successful configuration.
#[strum(props(default = "1"))]
FetchedExistingMsgs,
/// Timer in seconds after which the message is deleted from the
/// server.
///

View File

@@ -23,7 +23,7 @@ use percent_encoding::utf8_percent_encode;
use server_params::{ServerParams, expand_param_vector};
use tokio::task;
use crate::config::{self, Config};
use crate::config::Config;
use crate::constants::NON_ALPHANUMERIC_WITHOUT_DOT;
use crate::context::Context;
use crate::imap::Imap;
@@ -631,8 +631,6 @@ async fn configure(ctx: &Context, param: &EnteredLoginParam) -> Result<Option<&'
progress!(ctx, 920);
ctx.set_config_internal(Config::FetchedExistingMsgs, config::from_bool(false))
.await?;
ctx.scheduler.interrupt_inbox().await;
progress!(ctx, 940);

View File

@@ -946,12 +946,6 @@ impl Context {
}
res.insert("secondary_addrs", secondary_addrs);
res.insert(
"fetched_existing_msgs",
self.get_config_bool(Config::FetchedExistingMsgs)
.await?
.to_string(),
);
res.insert(
"show_emails",
self.get_config_int(Config::ShowEmails).await?.to_string(),

View File

@@ -16,7 +16,6 @@ use std::{
use anyhow::{Context as _, Result, bail, ensure, format_err};
use async_channel::{self, Receiver, Sender};
use async_imap::types::{Fetch, Flag, Name, NameAttribute, UnsolicitedResponse};
use deltachat_contact_tools::ContactAddress;
use futures::{FutureExt as _, TryStreamExt};
use futures_lite::FutureExt;
use num_traits::FromPrimitive;
@@ -30,7 +29,7 @@ use crate::chat::{self, ChatId, ChatIdBlocked, add_device_msg};
use crate::chatlist_events;
use crate::config::Config;
use crate::constants::{self, Blocked, DC_VERSION_STR, ShowEmails};
use crate::contact::{Contact, ContactId, Modifier, Origin};
use crate::contact::ContactId;
use crate::context::Context;
use crate::events::EventType;
use crate::headerdef::{HeaderDef, HeaderDefMap};
@@ -59,7 +58,6 @@ pub mod select_folder;
pub(crate) mod session;
use client::{Client, determine_capabilities};
use mailparse::SingleInfo;
use session::Session;
pub(crate) const GENERATED_PREFIX: &str = "GEN_";
@@ -837,27 +835,6 @@ impl Imap {
Ok((read_cnt, fetch_more))
}
/// Read the recipients from old emails sent by the user and add them as contacts.
/// This way, we can already offer them some email addresses they can write to.
///
/// Then, Fetch the last messages DC_FETCH_EXISTING_MSGS_COUNT emails from the server
/// and show them in the chat list.
pub(crate) async fn fetch_existing_msgs(
&mut self,
context: &Context,
session: &mut Session,
) -> Result<()> {
add_all_recipients_as_contacts(context, session, Config::ConfiguredMvboxFolder)
.await
.context("failed to get recipients from the movebox")?;
add_all_recipients_as_contacts(context, session, Config::ConfiguredInboxFolder)
.await
.context("failed to get recipients from the inbox")?;
info!(context, "Done fetching existing messages.");
Ok(())
}
}
impl Session {
@@ -1312,41 +1289,6 @@ impl Session {
Ok(())
}
/// Gets the from, to and bcc addresses from all existing outgoing emails.
pub async fn get_all_recipients(&mut self, context: &Context) -> Result<Vec<SingleInfo>> {
let mut uids: Vec<_> = self
.uid_search(get_imap_self_sent_search_command(context).await?)
.await?
.into_iter()
.collect();
uids.sort_unstable();
let mut result = Vec::new();
for (_, uid_set) in build_sequence_sets(&uids)? {
let mut list = self
.uid_fetch(uid_set, "(UID BODY.PEEK[HEADER.FIELDS (FROM TO CC BCC)])")
.await
.context("IMAP Could not fetch")?;
while let Some(msg) = list.try_next().await? {
match get_fetch_headers(&msg) {
Ok(headers) => {
if let Some(from) = mimeparser::get_from(&headers)
&& context.is_self_addr(&from.addr).await?
{
result.extend(mimeparser::get_recipients(&headers));
}
}
Err(err) => {
warn!(context, "{}", err);
continue;
}
};
}
}
Ok(result)
}
/// Fetches a list of messages by server UID.
///
/// Sends pairs of UID and info about each downloaded message to the provided channel.
@@ -2467,18 +2409,6 @@ async fn get_modseq(context: &Context, transport_id: u32, folder: &str) -> Resul
.unwrap_or(0))
}
/// Compute the imap search expression for all self-sent mails (for all self addresses)
pub(crate) async fn get_imap_self_sent_search_command(context: &Context) -> Result<String> {
// See https://www.rfc-editor.org/rfc/rfc3501#section-6.4.4 for syntax of SEARCH and OR
let mut search_command = format!("FROM \"{}\"", context.get_primary_self_addr().await?);
for item in context.get_secondary_self_addrs().await? {
search_command = format!("OR ({search_command}) (FROM \"{item}\")");
}
Ok(search_command)
}
/// Whether to ignore fetching messages from a folder.
///
/// This caters for the [`Config::OnlyFetchMvbox`] setting which means mails from folders
@@ -2551,66 +2481,6 @@ impl std::fmt::Display for UidRange {
}
}
}
async fn add_all_recipients_as_contacts(
context: &Context,
session: &mut Session,
folder: Config,
) -> Result<()> {
let mailbox = if let Some(m) = context.get_config(folder).await? {
m
} else {
info!(
context,
"Folder {} is not configured, skipping fetching contacts from it.", folder
);
return Ok(());
};
let create = false;
let folder_exists = session
.select_with_uidvalidity(context, &mailbox, create)
.await
.with_context(|| format!("could not select {mailbox}"))?;
if !folder_exists {
return Ok(());
}
let recipients = session
.get_all_recipients(context)
.await
.context("could not get recipients")?;
let mut any_modified = false;
for recipient in recipients {
let recipient_addr = match ContactAddress::new(&recipient.addr) {
Err(err) => {
warn!(
context,
"Could not add contact for recipient with address {:?}: {:#}",
recipient.addr,
err
);
continue;
}
Ok(recipient_addr) => recipient_addr,
};
let (_, modified) = Contact::add_or_lookup(
context,
&recipient.display_name.unwrap_or_default(),
&recipient_addr,
Origin::OutgoingTo,
)
.await?;
if modified != Modifier::None {
any_modified = true;
}
}
if any_modified {
context.emit_event(EventType::ContactsChanged(None));
}
Ok(())
}
#[cfg(test)]
mod imap_tests;

View File

@@ -1,6 +1,6 @@
use super::*;
use crate::contact::Contact;
use crate::test_utils::TestContext;
use crate::transport::add_pseudo_transport;
#[test]
fn test_get_folder_meaning_by_name() {
@@ -264,31 +264,6 @@ async fn test_target_folder_setupmsg() -> Result<()> {
Ok(())
}
#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
async fn test_get_imap_search_command() -> Result<()> {
let t = TestContext::new_alice().await;
assert_eq!(
get_imap_self_sent_search_command(&t.ctx).await?,
r#"FROM "alice@example.org""#
);
add_pseudo_transport(&t, "alice@another.com").await?;
t.ctx.set_primary_self_addr("alice@another.com").await?;
assert_eq!(
get_imap_self_sent_search_command(&t.ctx).await?,
r#"OR (FROM "alice@another.com") (FROM "alice@example.org")"#
);
add_pseudo_transport(&t, "alice@third.com").await?;
t.ctx.set_primary_self_addr("alice@third.com").await?;
assert_eq!(
get_imap_self_sent_search_command(&t.ctx).await?,
r#"OR (OR (FROM "alice@third.com") (FROM "alice@another.com")) (FROM "alice@example.org")"#
);
Ok(())
}
#[test]
fn test_uid_grouper() {
// Input: sequence of (rowid: i64, uid: u32, target: String)

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@@ -11,7 +11,7 @@ use tokio_util::sync::CancellationToken;
use tokio_util::task::TaskTracker;
pub(crate) use self::connectivity::ConnectivityStore;
use crate::config::{self, Config};
use crate::config::Config;
use crate::contact::{ContactId, RecentlySeenLoop};
use crate::context::Context;
use crate::download::{download_known_post_messages_without_pre_message, download_msgs};
@@ -477,29 +477,6 @@ async fn inbox_fetch_idle(ctx: &Context, imap: &mut Imap, mut session: Session)
};
maybe_send_stats(ctx).await.log_err(ctx).ok();
match ctx.get_config_bool(Config::FetchedExistingMsgs).await {
Ok(fetched_existing_msgs) => {
if !fetched_existing_msgs {
// Consider it done even if we fail.
//
// This operation is not critical enough to retry,
// especially if the error is persistent.
if let Err(err) = ctx
.set_config_internal(Config::FetchedExistingMsgs, config::from_bool(true))
.await
{
warn!(ctx, "Can't set Config::FetchedExistingMsgs: {:#}", err);
}
if let Err(err) = imap.fetch_existing_msgs(ctx, &mut session).await {
warn!(ctx, "Failed to fetch existing messages: {:#}", err);
}
}
}
Err(err) => {
warn!(ctx, "Can't get Config::FetchedExistingMsgs: {:#}", err);
}
}
session
.update_metadata(ctx)