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| | /* thread-fp.cc - "thread:" field processor glue
*
* This file is part of notmuch.
*
* Copyright © 2017 Jani Nikula
*
* This program 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.
*
* This program 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 this program. If not, see https://www.gnu.org/licenses/ .
*/
#include "database-private.h"
#include "thread-fp.h"
#if HAVE_XAPIAN_FIELD_PROCESSOR
Xapian::Query
ThreadFieldProcessor::operator() (const std::string & thread)
{
std::string term_prefix = _find_prefix ("thread");
std::string thread_id;
notmuch_message_t *message = NULL;
/*
* Only support thread queries via message-ids that have @. The
* reason for this is twofold: First, it's an optimization for
* regular thread-id queries. Second, and more importantly, it
* prevents (potentially malicious) message-id and thread-id
* collisions. Regular thread-ids are guaranteed to not have @ in
* them, and we only lose the ability to query threads by invalid
* message-ids that don't have @ in them.
*/
if (strchr (thread.c_str (), '@'))
notmuch_database_find_message (notmuch, thread.c_str (), &message);
if (message) {
thread_id = notmuch_message_get_thread_id (message);
notmuch_message_destroy (message);
} else {
thread_id = thread;
}
return Xapian::Query (term_prefix + thread_id);
}
#endif
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