src/lib/screen.cc

   1 /*
   2     Copyright (C) 2013-2021 Carl Hetherington <cth@carlh.net>
   3
   4     This file is part of DCP-o-matic.
   5
   6     DCP-o-matic is free software; you can redistribute it and/or modify
   7     it under the terms of the GNU General Public License as published by
   8     the Free Software Foundation; either version 2 of the License, or
   9     (at your option) any later version.
  10
  11     DCP-o-matic is distributed in the hope that it will be useful,
  12     but WITHOUT ANY WARRANTY; without even the implied warranty of
  13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14     GNU General Public License for more details.
  15
  16     You should have received a copy of the GNU General Public License
  17     along with DCP-o-matic.  If not, see <http://www.gnu.org/licenses/>.
  18
  19 */
  20
  21
  22 #include "cinema.h"
  23 #include "film.h"
  24 #include "kdm_util.h"
  25 #include "kdm_with_metadata.h"
  26 #include "screen.h"
  27 #include <libxml++/libxml++.h>
  28 #include <boost/algorithm/string.hpp>
  29 #include <boost/date_time/posix_time/posix_time.hpp>
  30
  31
  32 using std::list;
  33 using std::make_shared;
  34 using std::shared_ptr;
  35 using std::string;
  36 using std::vector;
  37 using boost::optional;
  38 using namespace dcpomatic;
  39
  40
  41 Screen::Screen (cxml::ConstNodePtr node)
  42         : KDMRecipient (node)
  43 {
  44         for (auto i: node->node_children ("TrustedDevice")) {
  45                 if (boost::algorithm::starts_with(i->content(), "-----BEGIN CERTIFICATE-----")) {
  46                         trusted_devices.push_back (TrustedDevice(dcp::Certificate(i->content())));
  47                 } else {
  48                         trusted_devices.push_back (TrustedDevice(i->content()));
  49                 }
  50         }
  51 }
  52
  53
  54 void
  55 Screen::as_xml (xmlpp::Element* parent) const
  56 {
  57         KDMRecipient::as_xml (parent);
  58         for (auto i: trusted_devices) {
  59                 parent->add_child("TrustedDevice")->add_child_text(i.as_string());
  60         }
  61 }
  62
  63
  64 vector<string>
  65 Screen::trusted_device_thumbprints () const
  66 {
  67         vector<string> t;
  68         for (auto i: trusted_devices) {
  69                 t.push_back (i.thumbprint());
  70         }
  71         return t;
  72 }
  73
  74
  75 KDMWithMetadataPtr
  76 kdm_for_screen (
  77         shared_ptr<const Film> film,
  78         boost::filesystem::path cpl,
  79         shared_ptr<const dcpomatic::Screen> screen,
  80         boost::posix_time::ptime valid_from,
  81         boost::posix_time::ptime valid_to,
  82         dcp::Formulation formulation,
  83         bool disable_forensic_marking_picture,
  84         optional<int> disable_forensic_marking_audio,
  85         vector<KDMCertificatePeriod>& period_checks
  86         )
  87 {
  88         if (!screen->recipient) {
  89                 return {};
  90         }
  91
  92         auto cinema = screen->cinema;
  93         dcp::LocalTime const begin(valid_from, dcp::UTCOffset(cinema ? cinema->utc_offset_hour() : 0, cinema ? cinema->utc_offset_minute() : 0));
  94         dcp::LocalTime const end  (valid_to,   dcp::UTCOffset(cinema ? cinema->utc_offset_hour() : 0, cinema ? cinema->utc_offset_minute() : 0));
  95
  96         period_checks.push_back(check_kdm_and_certificate_validity_periods(screen->recipient.get(), begin, end));
  97
  98         auto const kdm = film->make_kdm (
  99                         screen->recipient.get(),
 100                         screen->trusted_device_thumbprints(),
 101                         cpl,
 102                         begin,
 103                         end,
 104                         formulation,
 105                         disable_forensic_marking_picture,
 106                         disable_forensic_marking_audio
 107                         );
 108
 109         dcp::NameFormat::Map name_values;
 110         if (cinema) {
 111                 name_values['c'] = cinema->name;
 112         } else {
 113                 name_values['c'] = "";
 114         }
 115         name_values['s'] = screen->name;
 116         name_values['f'] = kdm.content_title_text();
 117         name_values['b'] = begin.date() + " " + begin.time_of_day(true, false);
 118         name_values['e'] = end.date() + " " + end.time_of_day(true, false);
 119         name_values['i'] = kdm.cpl_id();
 120
 121         return make_shared<KDMWithMetadata>(name_values, cinema.get(), cinema ? cinema->emails : list<string>(), kdm);
 122 }
 123