Untested support for KDM creation from DKDM (#1132).
authorCarl Hetherington <cth@carlh.net>
Sun, 31 Dec 2017 00:53:07 +0000 (00:53 +0000)
committerCarl Hetherington <cth@carlh.net>
Sun, 31 Dec 2017 00:53:07 +0000 (00:53 +0000)
src/tools/dcpomatic_kdm_cli.cc

index dca951ef69721e0c0bd298a095c36c07457e3872..e6a96210bb42b12a7778028b72e66e801a6c6c9d 100644 (file)
 #include "lib/config.h"
 #include "lib/exceptions.h"
 #include "lib/emailer.h"
+#include "lib/dkdm_wrapper.h"
+#include "lib/screen.h"
 #include <dcp/certificate.h>
+#include <dcp/decrypted_kdm.h>
+#include <dcp/encrypted_kdm.h>
 #include <getopt.h>
 #include <iostream>
 
@@ -41,11 +45,12 @@ using std::vector;
 using boost::shared_ptr;
 using boost::optional;
 using boost::bind;
+using boost::dynamic_pointer_cast;
 
 static void
 help ()
 {
-       cerr << "Syntax: " << program_name << " [OPTION] [<FILM>]\n"
+       cerr << "Syntax: " << program_name << " [OPTION] <FILM|CPL-ID>\n"
                "  -h, --help             show this help\n"
                "  -o, --output           output file or directory\n"
                "  -f, --valid-from       valid from time (in local time zone of the cinema) (e.g. \"2013-09-28 01:41:51\") or \"now\"\n"
@@ -57,6 +62,7 @@ help ()
                "  -c, --cinema           specify a cinema, either by name or email address\n"
                "      --cinemas          list known cinemas from the DCP-o-matic settings\n"
                "      --certificate file containing projector certificate\n\n"
+               "CPL-ID must be the ID of a CPL that is mentioned in DCP-o-matic's DKDM list.\n\n"
                "For example:\n\n"
                "Create KDMs for my_great_movie to play in all of Fred's Cinema's screens for the next two weeks and zip them up.\n"
                "(Fred's Cinema must have been set up in DCP-o-matic's KDM window)\n\n"
@@ -238,6 +244,141 @@ from_film (
        }
 }
 
+optional<dcp::EncryptedKDM>
+sub_find_dkdm (shared_ptr<DKDMGroup> group, string cpl_id)
+{
+       BOOST_FOREACH (shared_ptr<DKDMBase> i, group->children()) {
+               shared_ptr<DKDMGroup> g = dynamic_pointer_cast<DKDMGroup>(i);
+               if (g) {
+                       optional<dcp::EncryptedKDM> dkdm = sub_find_dkdm (g, cpl_id);
+                       if (dkdm) {
+                               return dkdm;
+                       }
+               } else {
+                       shared_ptr<DKDM> d = dynamic_pointer_cast<DKDM>(i);
+                       assert (d);
+                       if (d->dkdm().cpl_id() == cpl_id) {
+                               return d->dkdm();
+                       }
+               }
+       }
+
+       return optional<dcp::EncryptedKDM>();
+}
+
+optional<dcp::EncryptedKDM>
+find_dkdm (string cpl_id)
+{
+       return sub_find_dkdm (Config::instance()->dkdms(), cpl_id);
+}
+
+dcp::EncryptedKDM
+kdm_from_dkdm (
+       dcp::EncryptedKDM dkdm,
+       dcp::Certificate target,
+       vector<dcp::Certificate> trusted_devices,
+       dcp::LocalTime valid_from,
+       dcp::LocalTime valid_to,
+       dcp::Formulation formulation
+       )
+{
+       /* Decrypted DKDM */
+       dcp::DecryptedKDM decrypted_dkdm (dkdm, Config::instance()->decryption_chain()->key().get());
+
+       /* Signer for new KDM */
+       shared_ptr<const dcp::CertificateChain> signer = Config::instance()->signer_chain ();
+       if (!signer->valid ()) {
+               error ("signing certificate chain is invalid.");
+       }
+
+       /* Make a new empty KDM and add the keys from the DKDM to it */
+       dcp::DecryptedKDM kdm (
+               valid_from,
+               valid_to,
+               dkdm.annotation_text().get_value_or(""),
+               dkdm.content_title_text(),
+               dcp::LocalTime().as_string()
+               );
+
+       BOOST_FOREACH (dcp::DecryptedKDMKey const & j, decrypted_dkdm.keys()) {
+               kdm.add_key(j);
+       }
+
+       return kdm.encrypt (signer, target, trusted_devices, formulation);
+}
+
+void
+from_dkdm (
+       dcp::EncryptedKDM dkdm,
+       bool verbose,
+       optional<string> cinema_name,
+       optional<boost::filesystem::path> output,
+       optional<boost::filesystem::path> certificate_file,
+       boost::posix_time::ptime valid_from,
+       boost::posix_time::ptime valid_to,
+       dcp::Formulation formulation,
+       bool zip
+       )
+{
+       if (!cinema_name) {
+               if (!output) {
+                       error ("you must specify --output");
+               }
+
+               dcp::EncryptedKDM kdm = kdm_from_dkdm (
+                       dkdm,
+                       dcp::Certificate (dcp::file_to_string (*certificate_file)),
+                       vector<dcp::Certificate>(),
+                       dcp::LocalTime(valid_from), dcp::LocalTime(valid_to),
+                       formulation
+                       );
+
+               kdm.as_xml (*output);
+               if (verbose) {
+                       cout << "Generated KDM " << *output << " for certificate.\n";
+               }
+       } else {
+
+               if (!output) {
+                       output = ".";
+               }
+
+               dcp::NameFormat::Map values;
+               values['f'] = dkdm.annotation_text().get_value_or("");
+               values['b'] = dcp::LocalTime(valid_from).date() + " " + dcp::LocalTime(valid_from).time_of_day(true, false);
+               values['e'] = dcp::LocalTime(valid_to).date() + " " + dcp::LocalTime(valid_to).time_of_day(true, false);
+
+               try {
+                       list<ScreenKDM> screen_kdms;
+                       BOOST_FOREACH (shared_ptr<Screen> i, find_cinema(*cinema_name)->screens()) {
+                               if (!i->recipient) {
+                                       continue;
+                               }
+                               screen_kdms.push_back (
+                                       ScreenKDM (
+                                               i,
+                                               kdm_from_dkdm (
+                                                       dkdm,
+                                                       i->recipient.get(),
+                                                       i->trusted_devices,
+                                                       dcp::LocalTime(valid_from, i->cinema->utc_offset_hour(), i->cinema->utc_offset_minute()),
+                                                       dcp::LocalTime(valid_to, i->cinema->utc_offset_hour(), i->cinema->utc_offset_minute()),
+                                                       formulation
+                                                       )
+                                               )
+                                       );
+                       }
+                       write_files (screen_kdms, zip, *output, values, verbose);
+               } catch (FileError& e) {
+                       cerr << program_name << ": " << e.what() << " (" << e.file().string() << ")\n";
+                       exit (EXIT_FAILURE);
+               } catch (KDMError& e) {
+                       cerr << program_name << ": " << e.what() << "\n";
+                       exit (EXIT_FAILURE);
+               }
+       }
+}
+
 int main (int argc, char* argv[])
 {
        optional<boost::filesystem::path> output;
@@ -350,8 +491,6 @@ int main (int argc, char* argv[])
                valid_to = valid_from.get() + duration_from_string (*duration_string);
        }
 
-       boost::filesystem::path const film_dir = argv[optind];
-
        dcpomatic_setup_path_encoding ();
        dcpomatic_setup ();
 
@@ -359,7 +498,16 @@ int main (int argc, char* argv[])
                cout << "Making KDMs valid from " << valid_from.get() << " to " << valid_to.get() << "\n";
        }
 
-       from_film (film_dir, verbose, cinema_name, output, certificate_file, *valid_from, *valid_to, formulation, zip);
+       string const thing = argv[optind];
+       if (boost::filesystem::is_directory(thing) && boost::filesystem::is_regular_file(boost::filesystem::path(thing) / "metadata.xml")) {
+               from_film (thing, verbose, cinema_name, output, certificate_file, *valid_from, *valid_to, formulation, zip);
+       } else {
+               optional<dcp::EncryptedKDM> dkdm = find_dkdm (thing);
+               if (!dkdm) {
+                       error ("could not find film or CPL ID corresponding to " + thing);
+               }
+               from_dkdm (*dkdm, verbose, cinema_name, output, certificate_file, *valid_from, *valid_to, formulation, zip);
+       }
 
        return 0;
 }