From: Carl Hetherington <cth@carlh.net>
Date: Fri, 11 Jan 2013 00:24:34 +0000 (+0000)
Subject: Some work on making KDMs in Film
X-Git-Tag: v2.0.48~1349
X-Git-Url: https://git.carlh.net/gitweb/?p=dcpomatic.git;a=commitdiff_plain;h=fad726e94700bccdae0d301d54cdb1eab51cc71f

Some work on making KDMs in Film
---

diff --git a/src/lib/cinema.h b/src/lib/cinema.h
index 02b38c496..0cec01384 100644
--- a/src/lib/cinema.h
+++ b/src/lib/cinema.h
@@ -8,7 +8,7 @@ public:
 	{}
 	
 	std::string name;
-	libdcp::Certificate certificate;
+	boost::shared_ptr<libdcp::Certificate> certificate;
 };
 
 class Cinema
diff --git a/src/lib/config.cc b/src/lib/config.cc
index 80d357e1a..fe50a5cc2 100644
--- a/src/lib/config.cc
+++ b/src/lib/config.cc
@@ -48,7 +48,7 @@ Config::Config ()
 	, _tms_path (".")
 	, _sound_processor (SoundProcessor::from_id ("dolby_cp750"))
 {
-	ifstream f (file().c_str ());
+	ifstream f (read_file().c_str ());
 	string line;
 
 	shared_ptr<Cinema> cinema;
@@ -117,14 +117,40 @@ Config::Config ()
 
 /** @return Filename to write configuration to */
 string
-Config::file () const
+Config::write_file () const
 {
+	boost::filesystem::path p;
+	p /= g_get_user_config_dir ();
+	p /= "dvdomatic";
+	boost::filesystem::create_directory (p);
+	p /= "config";
+	return p.string ();
+}
+
+string
+Config::read_file () const
+{
+	if (boost::filesystem::exists (write_file ())) {
+		return write_file ();
+	}
+	
 	boost::filesystem::path p;
 	p /= g_get_user_config_dir ();
 	p /= ".dvdomatic";
 	return p.string ();
 }
 
+string
+Config::crypt_chain_directory () const
+{
+	boost::filesystem::path p;
+	p /= g_get_user_config_dir ();
+	p /= "dvdomatic";
+	p /= "crypt";
+	boost::filesystem::create_directories (p);
+	return p.string ();
+}
+
 /** @return Singleton instance */
 Config *
 Config::instance ()
@@ -140,7 +166,7 @@ Config::instance ()
 void
 Config::write () const
 {
-	ofstream f (file().c_str ());
+	ofstream f (write_file().c_str ());
 	f << "num_local_encoding_threads " << _num_local_encoding_threads << "\n"
 	  << "default_directory " << _default_directory << "\n"
 	  << "server_port " << _server_port << "\n"
diff --git a/src/lib/config.h b/src/lib/config.h
index 2d5b82ac5..785fff137 100644
--- a/src/lib/config.h
+++ b/src/lib/config.h
@@ -179,11 +179,14 @@ public:
 	
 	void write () const;
 
+	std::string crypt_chain_directory () const;
+
 	static Config* instance ();
 
 private:
 	Config ();
-	std::string file () const;
+	std::string read_file () const;
+	std::string write_file () const;
 
 	/** number of threads to use for J2K encoding on the local machine */
 	int _num_local_encoding_threads;
diff --git a/src/lib/exceptions.h b/src/lib/exceptions.h
index bf8e85f0b..06177863a 100644
--- a/src/lib/exceptions.h
+++ b/src/lib/exceptions.h
@@ -224,3 +224,11 @@ public:
 		: StringError (s)
 	{}
 };
+
+class KDMError : public StringError
+{
+public:
+	KDMError (std::string s)
+		: StringError (s)
+	{}
+};
diff --git a/src/lib/film.cc b/src/lib/film.cc
index 012495226..48677ba61 100644
--- a/src/lib/film.cc
+++ b/src/lib/film.cc
@@ -29,6 +29,10 @@
 #include <boost/algorithm/string.hpp>
 #include <boost/lexical_cast.hpp>
 #include <boost/date_time.hpp>
+#include <libxml++/libxml++.h>
+#include <libdcp/crypt_chain.h>
+#include <libdcp/certificates.h>
+#include "cinema.h"
 #include "film.h"
 #include "format.h"
 #include "job.h"
@@ -1388,12 +1392,66 @@ Film::audio_stream () const
 
 void
 Film::make_kdms (
-	list<shared_ptr<Screen> >,
+	list<shared_ptr<Screen> > screens,
 	boost::posix_time::ptime from,
 	boost::posix_time::ptime until,
 	string directory
 	) const
 {
-	
+	string const cd = Config::instance()->crypt_chain_directory ();
+	if (boost::filesystem::is_empty (cd)) {
+		libdcp::make_crypt_chain (cd);
+	}
+
+	libdcp::CertificateChain chain;
+
+	{
+		boost::filesystem::path p (cd);
+		p /= "ca.self-signed.pem";
+		chain.add (shared_ptr<libdcp::Certificate> (new libdcp::Certificate (p.string ())));
+	}
+
+	{
+		boost::filesystem::path p (cd);
+		p /= "intermediate.signed.pem";
+		chain.add (shared_ptr<libdcp::Certificate> (new libdcp::Certificate (p.string ())));
+	}
+
+	{
+		boost::filesystem::path p (cd);
+		p /= "leaf.signed.pem";
+		chain.add (shared_ptr<libdcp::Certificate> (new libdcp::Certificate (p.string ())));
+	}
+
+	boost::filesystem::path signer_key (cd);
+	signer_key /= "leaf.key";
+
+	/* Find the DCP to make the KDM for */
+	string const dir = this->directory ();
+	list<string> dcps;
+	for (boost::filesystem::directory_iterator i = boost::filesystem::directory_iterator(dir); i != boost::filesystem::directory_iterator(); ++i) {
+		if (boost::filesystem::is_directory (*i) && i->path().leaf() != "j2c" && i->path().leaf() != "wavs") {
+			dcps.push_back (i->path().string());
+		}
+	}
+
+	if (dcps.empty()) {
+		throw KDMError ("Could not find DCP to make KDM for");
+	} else if (dcps.size() > 1) {
+		throw KDMError ("More than one possible DCP to make KDM for");
+	}
+
+	for (list<shared_ptr<Screen> >::iterator i = screens.begin(); i != screens.end(); ++i) {
+
+		libdcp::DCP dcp (dcps.front ());
+		dcp.read ();
+		
+		/* XXX: single CPL only */
+		shared_ptr<xmlpp::Document> kdm = dcp.cpls().front()->make_kdm (chain, signer_key.string(), (*i)->certificate, from, until);
+
+		boost::filesystem::path out = directory;
+		out /= "kdm.xml";
+		kdm->write_to_file_formatted (out.string());
+	}
 }