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/*
Copyright (C) 2022-2024 Selwin van Dijk
This file is part of signalbackup-tools.
signalbackup-tools is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
signalbackup-tools is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with signalbackup-tools. If not, see <https://www.gnu.org/licenses/>.
*/
#include "signalbackup.ih"
std::vector<long long int> SignalBackup::getGroupUpdateRecipients(int thread) const
{
SqliteDB::QueryResults res;
std::set<std::string> uuids;
std::vector<std::string> queries{"SELECT "s +
(d_database.tableContainsColumn(d_mms_table, "message_extras") ? "COALESCE(message_extras, body) AS groupctx" : "body AS groupctx") +
" FROM " + d_mms_table + " WHERE (" + d_mms_type + " & ?) != 0 AND (" + d_mms_type + " & ?) != 0"s +
(thread != -1 ? " AND thread_id = " + bepaald::toString(thread) : "")};
if (d_database.containsTable("sms"))
queries.emplace_back("SELECT body AS groupctx FROM sms WHERE (type & ?) != 0 AND (type & ?) != 0"s +
(thread != -1 ? " AND thread_id = " + bepaald::toString(thread) : ""));
for (auto const &q : queries)
{
//d_database.exec("SELECT body FROM sms WHERE (type & ?) != 0 AND (type & ?) != 0",
d_database.exec(q, {Types::GROUP_UPDATE_BIT, Types::GROUP_V2_BIT}, &res);
for (unsigned int i = 0; i < res.rows(); ++i)
{
// std::cout << "GROUPCTX: " << "\"" << res.valueAsString(i, "groupctx") << "\"" << std::endl;
if (res.valueHasType<std::pair<std::shared_ptr<unsigned char []>, size_t>>(i, "groupctx"))
{
//std::cout << "FROM BLOB 1" << std::endl;
MessageExtras me(res.getValueAs<std::pair<std::shared_ptr<unsigned char []>, size_t>>(i, "groupctx"));
//me.print();
//std::cout << "---" << std::endl;
auto field1 = me.getField<1>();
if (field1.has_value())
{
auto field1_1 = field1->getField<1>();
if (field1_1.has_value())
getGroupUpdateRecipientsFromGV2Context(*field1_1, &uuids);
}
// std::cout << "FROM BLOB 2" << std::endl;
// sts2.print();
}
else // valueHasType<std::string>
{
getGroupUpdateRecipientsFromGV2Context(DecryptedGroupV2Context{res.valueAsString(i, "groupctx")}, &uuids);
//std::cout << "FROM BASE64STRING" << std::endl;
//sts2.print();
}
}
}
// std::cout << "LIST OF FOUND UUIDS:" << std::endl;
// for (auto &uuid : uuids)
// std::cout << uuid << " (" << uuid.length() << ")" << std::endl;
std::vector<long long int> ids;
if (uuids.size())
{
std::string q = "SELECT DISTINCT _id FROM recipient WHERE LOWER(" + d_recipient_aci + ") IN (";
#if __cplusplus > 201703L
for (int pos = 0; std::string uuid : uuids)
#else
int pos = 0;
for (std::string uuid : uuids)
#endif
{
if (uuid.length() < 32) [[unlikely]]
continue;
if (pos > 0)
q += ", ";
uuid.insert(8, 1, '-').insert(13, 1, '-').insert(18, 1, '-').insert(23, 1, '-');
q += "LOWER('" + uuid + "')";
++pos;
}
q += ")";
d_database.exec(q, &res);
for (unsigned int i = 0; i < res.rows(); ++i)
ids.push_back(res.getValueAs<long long int>(i, "_id"));
}
return ids;
}
void SignalBackup::getGroupUpdateRecipientsFromGV2Context(DecryptedGroupV2Context const &sts2, std::set<std::string> *uuids) const
{
// NEW DATA
auto field3 = sts2.getField<3>();
if (field3.has_value())
{
auto field3_7 = field3->getField<7>();
for (unsigned int j = 0; j < field3_7.size(); ++j)
{
auto field3_7_1 = field3_7[j].getField<1>();
if (field3_7_1.has_value())
uuids->insert(bepaald::bytesToHexString(*field3_7_1, true));
// else
// {
// std::cout << "No members found in field 3" << std::endl;
// sts2.print();
// }
}
// if (field3_7.size() == 0)
// {
// std::cout << "No members found in field 3" << std::endl;
// sts2.print();
// }
}
// else
// {
// std::cout << "No members found in field 3" << std::endl;
// sts2.print();
// }
// OLD DATA?
auto field4 = sts2.getField<4>();
if (field4.has_value())
{
auto field4_7 = field4->getField<7>();
for (unsigned int j = 0; j < field4_7.size(); ++j)
{
auto field4_7_1 = field4_7[j].getField<1>();
if (field4_7_1.has_value())
uuids->insert(bepaald::bytesToHexString(*field4_7_1, true));
// else
// {
// std::cout << "No members found in field 4" << std::endl;
// sts2.print();
// }
}
// if (field4_7.size() == 0)
// {
// std::cout << "No members found in field 4" << std::endl;
// sts2.print();
// }
}
// else
// {
// std::cout << "No members found in field 4" << std::endl;
// sts2.print();
// }
}
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