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LibIMAP+Mail: Propagate errors from LibIMAP and MailWidget

This lets us bubble up errors from `LibIMAP::Client::send_command()`,
which can happen if the connection hangs or is taking a long time, and
the user closes Mail.
This commit is contained in:
Valtteri Koskivuori 2023-07-26 22:40:05 +03:00 committed by Andrew Kaster
parent fc54bd03f9
commit 6128e859ac
6 changed files with 90 additions and 89 deletions

View file

@ -151,7 +151,7 @@ ErrorOr<void> Client::send_raw(StringView data)
return {};
}
RefPtr<Promise<Optional<Response>>> Client::send_command(Command&& command)
ErrorOr<RefPtr<Promise<Optional<Response>>>> Client::send_command(Command&& command)
{
m_command_queue.append(move(command));
m_current_command++;
@ -160,7 +160,7 @@ RefPtr<Promise<Optional<Response>>> Client::send_command(Command&& command)
m_pending_promises.append(promise);
if (m_pending_promises.size() == 1)
MUST(send_next_command());
TRY(send_next_command());
return promise;
}
@ -175,44 +175,44 @@ RefPtr<Promise<Optional<T>>> cast_promise(RefPtr<Promise<Optional<Response>>> pr
return new_promise;
}
RefPtr<Promise<Optional<SolidResponse>>> Client::login(StringView username, StringView password)
ErrorOr<RefPtr<Promise<Optional<SolidResponse>>>> Client::login(StringView username, StringView password)
{
auto command = Command { CommandType::Login, m_current_command, { serialize_astring(username), serialize_astring(password) } };
return cast_promise<SolidResponse>(send_command(move(command)));
return cast_promise<SolidResponse>(TRY(send_command(move(command))));
}
RefPtr<Promise<Optional<SolidResponse>>> Client::list(StringView reference_name, StringView mailbox)
ErrorOr<RefPtr<Promise<Optional<SolidResponse>>>> Client::list(StringView reference_name, StringView mailbox)
{
auto command = Command { CommandType::List, m_current_command,
{ DeprecatedString::formatted("\"{}\"", reference_name),
DeprecatedString::formatted("\"{}\"", mailbox) } };
return cast_promise<SolidResponse>(send_command(move(command)));
return cast_promise<SolidResponse>(TRY(send_command(move(command))));
}
RefPtr<Promise<Optional<SolidResponse>>> Client::lsub(StringView reference_name, StringView mailbox)
ErrorOr<RefPtr<Promise<Optional<SolidResponse>>>> Client::lsub(StringView reference_name, StringView mailbox)
{
auto command = Command { CommandType::ListSub, m_current_command,
{ DeprecatedString::formatted("\"{}\"", reference_name),
DeprecatedString::formatted("\"{}\"", mailbox) } };
return cast_promise<SolidResponse>(send_command(move(command)));
return cast_promise<SolidResponse>(TRY(send_command(move(command))));
}
RefPtr<Promise<Optional<SolidResponse>>> Client::fetch(FetchCommand request, bool uid)
ErrorOr<RefPtr<Promise<Optional<SolidResponse>>>> Client::fetch(FetchCommand request, bool uid)
{
auto command = Command { uid ? CommandType::UIDFetch : CommandType::Fetch, m_current_command, { request.serialize() } };
return cast_promise<SolidResponse>(send_command(move(command)));
return cast_promise<SolidResponse>(TRY(send_command(move(command))));
}
RefPtr<Promise<Optional<Response>>> Client::send_simple_command(CommandType type)
ErrorOr<RefPtr<Promise<Optional<Response>>>> Client::send_simple_command(CommandType type)
{
auto command = Command { type, m_current_command, {} };
return send_command(move(command));
return TRY(send_command(move(command)));
}
RefPtr<Promise<Optional<SolidResponse>>> Client::select(StringView string)
ErrorOr<RefPtr<Promise<Optional<SolidResponse>>>> Client::select(StringView string)
{
auto command = Command { CommandType::Select, m_current_command, { serialize_astring(string) } };
return cast_promise<SolidResponse>(send_command(move(command)));
return cast_promise<SolidResponse>(TRY(send_command(move(command))));
}
ErrorOr<void> Client::handle_parsed_response(ParseStatus&& parse_status)
@ -264,25 +264,25 @@ ErrorOr<void> Client::send_next_command()
return {};
}
RefPtr<Promise<Optional<SolidResponse>>> Client::examine(StringView string)
ErrorOr<RefPtr<Promise<Optional<SolidResponse>>>> Client::examine(StringView string)
{
auto command = Command { CommandType::Examine, m_current_command, { serialize_astring(string) } };
return cast_promise<SolidResponse>(send_command(move(command)));
return cast_promise<SolidResponse>(TRY(send_command(move(command))));
}
RefPtr<Promise<Optional<SolidResponse>>> Client::create_mailbox(StringView name)
ErrorOr<RefPtr<Promise<Optional<SolidResponse>>>> Client::create_mailbox(StringView name)
{
auto command = Command { CommandType::Create, m_current_command, { serialize_astring(name) } };
return cast_promise<SolidResponse>(send_command(move(command)));
return cast_promise<SolidResponse>(TRY(send_command(move(command))));
}
RefPtr<Promise<Optional<SolidResponse>>> Client::delete_mailbox(StringView name)
ErrorOr<RefPtr<Promise<Optional<SolidResponse>>>> Client::delete_mailbox(StringView name)
{
auto command = Command { CommandType::Delete, m_current_command, { serialize_astring(name) } };
return cast_promise<SolidResponse>(send_command(move(command)));
return cast_promise<SolidResponse>(TRY(send_command(move(command))));
}
RefPtr<Promise<Optional<SolidResponse>>> Client::store(StoreMethod method, Sequence sequence_set, bool silent, Vector<DeprecatedString> const& flags, bool uid)
ErrorOr<RefPtr<Promise<Optional<SolidResponse>>>> Client::store(StoreMethod method, Sequence sequence_set, bool silent, Vector<DeprecatedString> const& flags, bool uid)
{
StringBuilder data_item_name;
switch (method) {
@ -306,9 +306,9 @@ RefPtr<Promise<Optional<SolidResponse>>> Client::store(StoreMethod method, Seque
flags_builder.append(')');
auto command = Command { uid ? CommandType::UIDStore : CommandType::Store, m_current_command, { sequence_set.serialize(), data_item_name.to_deprecated_string(), flags_builder.to_deprecated_string() } };
return cast_promise<SolidResponse>(send_command(move(command)));
return cast_promise<SolidResponse>(TRY(send_command(move(command))));
}
RefPtr<Promise<Optional<SolidResponse>>> Client::search(Optional<DeprecatedString> charset, Vector<SearchKey>&& keys, bool uid)
ErrorOr<RefPtr<Promise<Optional<SolidResponse>>>> Client::search(Optional<DeprecatedString> charset, Vector<SearchKey>&& keys, bool uid)
{
Vector<DeprecatedString> args;
if (charset.has_value()) {
@ -319,15 +319,15 @@ RefPtr<Promise<Optional<SolidResponse>>> Client::search(Optional<DeprecatedStrin
args.append(item.serialize());
}
auto command = Command { uid ? CommandType::UIDSearch : CommandType::Search, m_current_command, args };
return cast_promise<SolidResponse>(send_command(move(command)));
return cast_promise<SolidResponse>(TRY(send_command(move(command))));
}
RefPtr<Promise<Optional<ContinueRequest>>> Client::idle()
ErrorOr<RefPtr<Promise<Optional<ContinueRequest>>>> Client::idle()
{
auto promise = send_simple_command(CommandType::Idle);
auto promise = TRY(send_simple_command(CommandType::Idle));
return cast_promise<ContinueRequest>(promise);
}
RefPtr<Promise<Optional<SolidResponse>>> Client::finish_idle()
ErrorOr<RefPtr<Promise<Optional<SolidResponse>>>> Client::finish_idle()
{
auto promise = Promise<Optional<Response>>::construct();
m_pending_promises.append(promise);
@ -336,7 +336,7 @@ RefPtr<Promise<Optional<SolidResponse>>> Client::finish_idle()
return cast_promise<SolidResponse>(promise);
}
RefPtr<Promise<Optional<SolidResponse>>> Client::status(StringView mailbox, Vector<StatusItemType> const& types)
ErrorOr<RefPtr<Promise<Optional<SolidResponse>>>> Client::status(StringView mailbox, Vector<StatusItemType> const& types)
{
Vector<DeprecatedString> args;
for (auto type : types) {
@ -363,10 +363,10 @@ RefPtr<Promise<Optional<SolidResponse>>> Client::status(StringView mailbox, Vect
types_list.join(' ', args);
types_list.append(')');
auto command = Command { CommandType::Status, m_current_command, { mailbox, types_list.to_deprecated_string() } };
return cast_promise<SolidResponse>(send_command(move(command)));
return cast_promise<SolidResponse>(TRY(send_command(move(command))));
}
RefPtr<Promise<Optional<SolidResponse>>> Client::append(StringView mailbox, Message&& message, Optional<Vector<DeprecatedString>> flags, Optional<Core::DateTime> date_time)
ErrorOr<RefPtr<Promise<Optional<SolidResponse>>>> Client::append(StringView mailbox, Message&& message, Optional<Vector<DeprecatedString>> flags, Optional<Core::DateTime> date_time)
{
Vector<DeprecatedString> args = { mailbox };
if (flags.has_value()) {
@ -381,7 +381,7 @@ RefPtr<Promise<Optional<SolidResponse>>> Client::append(StringView mailbox, Mess
args.append(DeprecatedString::formatted("{{{}}}", message.data.length()));
auto continue_req = send_command(Command { CommandType::Append, m_current_command, args });
auto continue_req = TRY(send_command(Command { CommandType::Append, m_current_command, args }));
auto response_promise = Promise<Optional<Response>>::construct();
m_pending_promises.append(response_promise);
@ -398,33 +398,33 @@ RefPtr<Promise<Optional<SolidResponse>>> Client::append(StringView mailbox, Mess
return cast_promise<SolidResponse>(response_promise);
}
RefPtr<Promise<Optional<SolidResponse>>> Client::subscribe(StringView mailbox)
ErrorOr<RefPtr<Promise<Optional<SolidResponse>>>> Client::subscribe(StringView mailbox)
{
auto command = Command { CommandType::Subscribe, m_current_command, { serialize_astring(mailbox) } };
return cast_promise<SolidResponse>(send_command(move(command)));
return cast_promise<SolidResponse>(TRY(send_command(move(command))));
}
RefPtr<Promise<Optional<SolidResponse>>> Client::unsubscribe(StringView mailbox)
ErrorOr<RefPtr<Promise<Optional<SolidResponse>>>> Client::unsubscribe(StringView mailbox)
{
auto command = Command { CommandType::Unsubscribe, m_current_command, { serialize_astring(mailbox) } };
return cast_promise<SolidResponse>(send_command(move(command)));
return cast_promise<SolidResponse>(TRY(send_command(move(command))));
}
RefPtr<Promise<Optional<Response>>> Client::authenticate(StringView method)
ErrorOr<RefPtr<Promise<Optional<Response>>>> Client::authenticate(StringView method)
{
auto command = Command { CommandType::Authenticate, m_current_command, { method } };
return send_command(move(command));
return TRY(send_command(move(command)));
}
RefPtr<Promise<Optional<SolidResponse>>> Client::rename(StringView from, StringView to)
ErrorOr<RefPtr<Promise<Optional<SolidResponse>>>> Client::rename(StringView from, StringView to)
{
auto command = Command { CommandType::Rename, m_current_command, { serialize_astring(from), serialize_astring(to) } };
return cast_promise<SolidResponse>(send_command(move(command)));
return cast_promise<SolidResponse>(TRY(send_command(move(command))));
}
RefPtr<Promise<Optional<SolidResponse>>> Client::copy(Sequence sequence_set, StringView name, bool uid)
ErrorOr<RefPtr<Promise<Optional<SolidResponse>>>> Client::copy(Sequence sequence_set, StringView name, bool uid)
{
auto command = Command {
uid ? CommandType::UIDCopy : CommandType::Copy, m_current_command, { sequence_set.serialize(), serialize_astring(name) }
};
return cast_promise<SolidResponse>(send_command(move(command)));
return cast_promise<SolidResponse>(TRY(send_command(move(command))));
}
void Client::close()

View file

@ -30,28 +30,28 @@ public:
return m_connect_pending;
}
RefPtr<Promise<Optional<Response>>> send_command(Command&&);
RefPtr<Promise<Optional<Response>>> send_simple_command(CommandType);
ErrorOr<RefPtr<Promise<Optional<Response>>>> send_command(Command&&);
ErrorOr<RefPtr<Promise<Optional<Response>>>> send_simple_command(CommandType);
ErrorOr<void> send_raw(StringView data);
RefPtr<Promise<Optional<SolidResponse>>> login(StringView username, StringView password);
RefPtr<Promise<Optional<SolidResponse>>> list(StringView reference_name, StringView mailbox_name);
RefPtr<Promise<Optional<SolidResponse>>> lsub(StringView reference_name, StringView mailbox_name);
RefPtr<Promise<Optional<SolidResponse>>> select(StringView string);
RefPtr<Promise<Optional<SolidResponse>>> examine(StringView string);
RefPtr<Promise<Optional<SolidResponse>>> search(Optional<DeprecatedString> charset, Vector<SearchKey>&& search_keys, bool uid);
RefPtr<Promise<Optional<SolidResponse>>> fetch(FetchCommand request, bool uid);
RefPtr<Promise<Optional<SolidResponse>>> store(StoreMethod, Sequence, bool silent, Vector<DeprecatedString> const& flags, bool uid);
RefPtr<Promise<Optional<SolidResponse>>> copy(Sequence sequence_set, StringView name, bool uid);
RefPtr<Promise<Optional<SolidResponse>>> create_mailbox(StringView name);
RefPtr<Promise<Optional<SolidResponse>>> delete_mailbox(StringView name);
RefPtr<Promise<Optional<SolidResponse>>> subscribe(StringView mailbox);
RefPtr<Promise<Optional<SolidResponse>>> unsubscribe(StringView mailbox);
RefPtr<Promise<Optional<SolidResponse>>> rename(StringView from, StringView to);
RefPtr<Promise<Optional<Response>>> authenticate(StringView method);
RefPtr<Promise<Optional<ContinueRequest>>> idle();
RefPtr<Promise<Optional<SolidResponse>>> finish_idle();
RefPtr<Promise<Optional<SolidResponse>>> status(StringView mailbox, Vector<StatusItemType> const& types);
RefPtr<Promise<Optional<SolidResponse>>> append(StringView mailbox, Message&& message, Optional<Vector<DeprecatedString>> flags = {}, Optional<Core::DateTime> date_time = {});
ErrorOr<RefPtr<Promise<Optional<SolidResponse>>>> login(StringView username, StringView password);
ErrorOr<RefPtr<Promise<Optional<SolidResponse>>>> list(StringView reference_name, StringView mailbox_name);
ErrorOr<RefPtr<Promise<Optional<SolidResponse>>>> lsub(StringView reference_name, StringView mailbox_name);
ErrorOr<RefPtr<Promise<Optional<SolidResponse>>>> select(StringView string);
ErrorOr<RefPtr<Promise<Optional<SolidResponse>>>> examine(StringView string);
ErrorOr<RefPtr<Promise<Optional<SolidResponse>>>> search(Optional<DeprecatedString> charset, Vector<SearchKey>&& search_keys, bool uid);
ErrorOr<RefPtr<Promise<Optional<SolidResponse>>>> fetch(FetchCommand request, bool uid);
ErrorOr<RefPtr<Promise<Optional<SolidResponse>>>> store(StoreMethod, Sequence, bool silent, Vector<DeprecatedString> const& flags, bool uid);
ErrorOr<RefPtr<Promise<Optional<SolidResponse>>>> copy(Sequence sequence_set, StringView name, bool uid);
ErrorOr<RefPtr<Promise<Optional<SolidResponse>>>> create_mailbox(StringView name);
ErrorOr<RefPtr<Promise<Optional<SolidResponse>>>> delete_mailbox(StringView name);
ErrorOr<RefPtr<Promise<Optional<SolidResponse>>>> subscribe(StringView mailbox);
ErrorOr<RefPtr<Promise<Optional<SolidResponse>>>> unsubscribe(StringView mailbox);
ErrorOr<RefPtr<Promise<Optional<SolidResponse>>>> rename(StringView from, StringView to);
ErrorOr<RefPtr<Promise<Optional<Response>>>> authenticate(StringView method);
ErrorOr<RefPtr<Promise<Optional<ContinueRequest>>>> idle();
ErrorOr<RefPtr<Promise<Optional<SolidResponse>>>> finish_idle();
ErrorOr<RefPtr<Promise<Optional<SolidResponse>>>> status(StringView mailbox, Vector<StatusItemType> const& types);
ErrorOr<RefPtr<Promise<Optional<SolidResponse>>>> append(StringView mailbox, Message&& message, Optional<Vector<DeprecatedString>> flags = {}, Optional<Core::DateTime> date_time = {});
bool is_open();
void close();