2 Copyright (C) 2015 Carl Hetherington <cth@carlh.net>
4 This file is part of libdcp.
6 libdcp 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.
11 libdcp 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.
16 You should have received a copy of the GNU General Public License
17 along with libdcp. If not, see <http://www.gnu.org/licenses/>.
19 In addition, as a special exception, the copyright holders give
20 permission to link the code of portions of this program with the
21 OpenSSL library under certain conditions as described in each
22 individual source file, and distribute linked combinations
25 You must obey the GNU General Public License in all respects
26 for all of the code used other than OpenSSL. If you modify
27 file(s) with this exception, you may extend this exception to your
28 version of the file(s), but you are not obligated to do so. If you
29 do not wish to do so, delete this exception statement from your
30 version. If you delete this exception statement from all source
31 files in the program, then also delete it here.
35 #include "decrypted_kdm.h"
36 #include "decrypted_kdm_key.h"
37 #include "encrypted_kdm.h"
39 #include "smpte_subtitle_asset.h"
51 using boost::optional;
57 cerr << "Syntax: " << n << " [OPTION] <MXF>\n"
58 << " -h, --help show this help\n"
59 << " -n, --no-fonts don't extract fonts\n"
60 << " -k, --kdm KDM file\n"
61 << " -p, --private-key private key file\n";
65 main (int argc, char* argv[])
69 bool extract_fonts = true;
70 optional<boost::filesystem::path> kdm_file;
71 optional<boost::filesystem::path> private_key_file;
75 static struct option long_options[] = {
76 { "help", no_argument, 0, 'h'},
77 { "no-fonts", no_argument, 0, 'n'},
78 { "kdm", required_argument, 0, 'k'},
79 { "private-key", required_argument, 0, 'p'},
83 int c = getopt_long (argc, argv, "hnk:p:", long_options, &option_index);
94 extract_fonts = false;
100 private_key_file = optarg;
105 if (argc <= optind || argc > (optind + 2)) {
110 dcp::SMPTESubtitleAsset sub (argv[optind]);
112 if (sub.key_id() && (!kdm_file || !private_key_file)) {
113 cerr << "Subtitle MXF is encrypted so you must provide a KDM and private key.\n";
118 dcp::EncryptedKDM encrypted_kdm (dcp::file_to_string (kdm_file.get ()));
119 dcp::DecryptedKDM decrypted_kdm (encrypted_kdm, dcp::file_to_string (private_key_file.get()));
121 for (auto const& i: decrypted_kdm.keys()) {
122 if (i.id() == *sub.key_id()) {
123 sub.set_key (i.key ());
128 cerr << "Could not find required key in KDM.\n";
133 cout << sub.xml_as_string() << "\n";
136 for (auto const& i: sub.font_data()) {
137 dcp::File f(i.first + ".ttf", "wb");
139 cerr << "Could not open font file " << i.first << ".ttf for writing";
142 f.write(i.second.data(), 1, i.second.size());