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 "screen.h"
  23 #include "kdm_with_metadata.h"
  24 #include "film.h"
  25 #include "cinema.h"
  26 #include <libxml++/libxml++.h>
  27 #include <boost/algorithm/string.hpp>
  28 #include <boost/date_time/posix_time/posix_time.hpp>
  29
  30
  31 using std::list;
  32 using std::make_shared;
  33 using std::shared_ptr;
  34 using std::string;
  35 using std::vector;
  36 using boost::optional;
  37 using namespace dcpomatic;
  38
  39
  40 Screen::Screen (cxml::ConstNodePtr node)
  41         : KDMRecipient (node)
  42 {
  43         for (auto i: node->node_children ("TrustedDevice")) {
  44                 if (boost::algorithm::starts_with(i->content(), "-----BEGIN CERTIFICATE-----")) {
  45                         trusted_devices.push_back (TrustedDevice(dcp::Certificate(i->content())));
  46                 } else {
  47                         trusted_devices.push_back (TrustedDevice(i->content()));
  48                 }
  49         }
  50 }
  51
  52
  53 void
  54 Screen::as_xml (xmlpp::Element* parent) const
  55 {
  56         KDMRecipient::as_xml (parent);
  57         for (auto i: trusted_devices) {
  58                 parent->add_child("TrustedDevice")->add_child_text(i.as_string());
  59         }
  60 }
  61
  62
  63 vector<string>
  64 Screen::trusted_device_thumbprints () const
  65 {
  66         vector<string> t;
  67         for (auto i: trusted_devices) {
  68                 t.push_back (i.thumbprint());
  69         }
  70         return t;
  71 }
  72
  73
  74 KDMWithMetadataPtr
  75 kdm_for_screen (
  76         shared_ptr<const Film> film,
  77         boost::filesystem::path cpl,
  78         shared_ptr<const dcpomatic::Screen> screen,
  79         boost::posix_time::ptime valid_from,
  80         boost::posix_time::ptime valid_to,
  81         dcp::Formulation formulation,
  82         bool disable_forensic_marking_picture,
  83         optional<int> disable_forensic_marking_audio
  84         )
  85 {
  86         if (!screen->recipient) {
  87                 return {};
  88         }
  89
  90         auto cinema = screen->cinema;
  91         dcp::LocalTime const begin(valid_from, cinema ? cinema->utc_offset_hour() : 0, cinema ? cinema->utc_offset_minute() : 0);
  92         dcp::LocalTime const end  (valid_to,   cinema ? cinema->utc_offset_hour() : 0, cinema ? cinema->utc_offset_minute() : 0);
  93
  94         auto const kdm = film->make_kdm (
  95                         screen->recipient.get(),
  96                         screen->trusted_device_thumbprints(),
  97                         cpl,
  98                         begin,
  99                         end,
 100                         formulation,
 101                         disable_forensic_marking_picture,
 102                         disable_forensic_marking_audio
 103                         );
 104
 105         dcp::NameFormat::Map name_values;
 106         if (cinema) {
 107                 name_values['c'] = cinema->name;
 108         } else {
 109                 name_values['c'] = "";
 110         }
 111         name_values['s'] = screen->name;
 112         name_values['f'] = film->name();
 113         name_values['b'] = begin.date() + " " + begin.time_of_day(true, false);
 114         name_values['e'] = end.date() + " " + end.time_of_day(true, false);
 115         name_values['i'] = kdm.cpl_id();
 116
 117         return make_shared<KDMWithMetadata>(name_values, cinema.get(), cinema ? cinema->emails : list<string>(), kdm);
 118 }
 119