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/*
Copyright (C) 2013-2021 Carl Hetherington <cth@carlh.net>
This file is part of DCP-o-matic.
DCP-o-matic 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 2 of the License, or
(at your option) any later version.
DCP-o-matic 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 DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
*/
#include "cinema.h"
#include "cinema_list.h"
#include "config.h"
#include "film.h"
#include "kdm_util.h"
#include "kdm_with_metadata.h"
#include "screen.h"
#include <libxml++/libxml++.h>
#include <boost/algorithm/string.hpp>
#include <boost/date_time/posix_time/posix_time.hpp>
using std::list;
using std::make_shared;
using std::shared_ptr;
using std::string;
using std::vector;
using boost::optional;
using namespace dcpomatic;
vector<string>
Screen::trusted_device_thumbprints () const
{
vector<string> t;
for (auto i: trusted_devices) {
t.push_back (i.thumbprint());
}
return t;
}
KDMWithMetadataPtr
kdm_for_screen (
std::function<dcp::DecryptedKDM (dcp::LocalTime, dcp::LocalTime)> make_kdm,
CinemaID cinema_id,
Cinema const& cinema,
Screen const& screen,
boost::posix_time::ptime valid_from,
boost::posix_time::ptime valid_to,
dcp::Formulation formulation,
bool disable_forensic_marking_picture,
optional<int> disable_forensic_marking_audio,
vector<KDMCertificatePeriod>& period_checks
)
{
if (!screen.recipient()) {
return {};
}
dcp::LocalTime const begin(valid_from, cinema.utc_offset);
dcp::LocalTime const end (valid_to, cinema.utc_offset);
period_checks.push_back(check_kdm_and_certificate_validity_periods(cinema.name, screen.name, screen.recipient().get(), begin, end));
auto signer = Config::instance()->signer_chain();
if (!signer->valid()) {
throw InvalidSignerError();
}
auto kdm = make_kdm(begin, end).encrypt(
signer, screen.recipient().get(), screen.trusted_device_thumbprints(), formulation, disable_forensic_marking_picture, disable_forensic_marking_audio
);
dcp::NameFormat::Map name_values;
name_values['c'] = cinema.name;
name_values['s'] = screen.name;
name_values['f'] = kdm.content_title_text();
name_values['b'] = begin.date() + " " + begin.time_of_day(true, false);
name_values['e'] = end.date() + " " + end.time_of_day(true, false);
name_values['i'] = kdm.cpl_id();
return make_shared<KDMWithMetadata>(name_values, cinema_id, cinema.emails, kdm);
}
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