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/*
Copyright (C) 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"
void SignalBackup::scanMissingAttachments() const
{
// get 'missing' attachments
SqliteDB::QueryResults res;
d_database.exec("SELECT _id," +
(d_database.tableContainsColumn(d_part_table, "unique_id") ? "unique_id"s : "-1 AS unique_id"s) +
" FROM " + d_part_table, &res);
std::vector<std::pair<long long int, long long int>> missing;
for (unsigned int i = 0; i < res.rows(); ++i)
if (/*true || */d_attachments.find({res.getValueAs<long long int>(i, "_id"), res.getValueAs<long long int>(i, "unique_id")}) == d_attachments.end())
missing.emplace_back(std::make_pair(res.getValueAs<long long int>(i, "_id"), res.getValueAs<long long int>(i, "unique_id")));
Logger::message("Got ", missing.size(), " attachments with data not found");
for (unsigned int i = 0; i < missing.size(); ++i)
{
Logger::message_start("Checking ", (i + 1), " of ", missing.size(), ": ", missing[i].first, ",", missing[i].second, "... ");
SqliteDB::QueryResults isquote;
d_database.exec("SELECT " + d_part_mid + " FROM " + d_part_table + " WHERE _id = ?" +
(d_database.tableContainsColumn(d_part_table, "unique_id") ?
" AND unique_id = " + bepaald::toString(missing[i].second) : "") +
" AND quote = 1", missing[i].first, &isquote);
if (isquote.rows())
{
long long int mid = isquote.getValueAs<long long int>(0, d_part_mid);
d_database.exec("SELECT _id FROM " + d_mms_table + " WHERE quote_missing = 1 AND _id = ?", mid, &res);
if (res.rows() == 1)
{
if (d_attachments.find({missing[i].first, missing[i].second}) == d_attachments.end())
Logger::message_end("OK, EXPECTED (quote missing)");
else
Logger::message_end("FALSE HIT! (quote missing)");
continue;
}
// quote_missing is not always (often not?) set to 1 even if quote is missing, so manually check
if (d_database.tableContainsColumn(d_mms_table, "remote_deleted"))
{
d_database.exec("SELECT _id FROM " + d_mms_table + " WHERE remote_deleted IS 1 AND " + d_mms_date_sent + " IS (SELECT quote_id FROM " + d_mms_table + " WHERE _id = ?)",
mid, &res);
if (res.rows()) // can be more than 1 row if messages were doubled (before date_sent (=quote_id) had UNIQUE constraint)
{
if (d_attachments.find({missing[i].first, missing[i].second}) == d_attachments.end())
Logger::message_end("OK, EXPECTED (original message missing (remote deleted))");
else
Logger::message_end("FALSE HIT! (remote delete)");
continue;
}
}
if (d_database.getSingleResultAs<long long int>("SELECT IFNULL(quote_id, 0)_id FROM " + d_mms_table + " WHERE _id = ?", mid, 0) != 0)
{
d_database.exec("SELECT _id FROM " + d_mms_table + " WHERE " +
d_mms_date_sent + " IS (SELECT quote_id FROM " + d_mms_table + " WHERE _id = ?)"
" AND "
"thread_id IS (SELECT thread_id FROM " + d_mms_table + " WHERE _id = ?)",
{mid, mid}, &res);
if (res.rows() == 0)
{
if (d_attachments.find({missing[i].first, missing[i].second}) == d_attachments.end())
Logger::message_end("OK, EXPECTED (original message missing (deleted))");
else
Logger::message_end("FALSE HIT! (delete)");
continue;
}
}
}
d_database.exec("SELECT " + d_part_ct + " FROM " + d_part_table + " WHERE "
"quote = 1 "
"AND _id = ?" +
(d_database.tableContainsColumn(d_part_table, "unique_id") ? " AND unique_id = " + bepaald::toString(missing[i].second) : ""s) +
" AND " + d_part_ct + " NOT LIKE 'image%' AND " + d_part_ct + " NOT LIKE 'video%'",
missing[i].first, &res);
if (res.rows() == 1)
{
if (d_attachments.find({missing[i].first, missing[i].second}) == d_attachments.end())
Logger::message_end("OK, EXPECTED (type = ",res.valueAsString(0, 0), ")");
else
Logger::message_end("FALSE HIT! (type)");
continue;
}
d_database.exec("SELECT " + d_part_pending + " FROM " + d_part_table + " WHERE " + d_part_pending + " IS NOT 0 AND _id = ?" +
(d_database.tableContainsColumn(d_part_table, "unique_id") ? " AND unique_id = " + bepaald::toString(missing[i].second) : ""s),
missing[i].first, &res);
if (res.rows() == 1)
{
if (d_attachments.find({missing[i].first, missing[i].second}) == d_attachments.end())
Logger::message_end("OK, EXPECTED (pending_push = ", res.valueAsString(0, 0), ")");
else
Logger::message_end("FALSE HIT! (pending_push)");
continue;
}
d_database.exec("SELECT " + d_part_ct + " FROM " + d_part_table + " WHERE _id = ?" +
(d_database.tableContainsColumn(d_part_table, "unique_id") ? " AND unique_id = " + bepaald::toString(missing[i].second) : ""s),
missing[i].first, &res);
if (res.rows() == 1 && res(0, d_part_ct) == "application/x-signal-view-once")
{
if (d_attachments.find({missing[i].first, missing[i].second}) == d_attachments.end())
Logger::message_end("OK, EXPECTED (content_type = application/x-signal-view-once)");
else
Logger::message_end("FALSE HIT! (view_once)");
continue;
}
if (d_attachments.find({missing[i].first, missing[i].second}) != d_attachments.end())
{
Logger::message_end("OK, EXPECTED (no special circumstances, but not missing)");
continue;
}
Logger::message(Logger::Control::BOLD, "UNEXPECTED!", Logger::Control::NORMAL, " details:");
d_database.exec("SELECT quote," + d_part_ct + "," + d_part_pending + " FROM " + d_part_table + " WHERE _id = ?" +
(d_database.tableContainsColumn(d_part_table, "unique_id") ? " AND unique_id = " + bepaald::toString(missing[i].second) : ""s),
missing[i].first, &res);
res.prettyPrint(d_truncate);
}
}
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