*/
+/** @file src/dcp.cc
+ * @brief A class to create a DCP.
+ */
+
#include <sstream>
#include <fstream>
#include <iomanip>
#include <cassert>
+#include <iostream>
#include <boost/filesystem.hpp>
+#include <boost/lexical_cast.hpp>
+#include <boost/algorithm/string.hpp>
+#include <libxml++/libxml++.h>
+#include <xmlsec/xmldsig.h>
+#include <xmlsec/app.h>
#include "dcp.h"
#include "asset.h"
#include "sound_asset.h"
#include "picture_asset.h"
+#include "subtitle_asset.h"
#include "util.h"
-#include "tags.h"
+#include "metadata.h"
+#include "exceptions.h"
+#include "cpl_file.h"
+#include "pkl_file.h"
+#include "asset_map.h"
+#include "reel.h"
-using namespace std;
-using namespace boost;
+using std::string;
+using std::list;
+using std::stringstream;
+using std::ofstream;
+using std::ostream;
+using boost::shared_ptr;
using namespace libdcp;
-/** Construct a DCP.
- * @param d Directory to write files to.
- * @param n Name.
- * @param c Content type.
- * @param fps Frames per second.
- * @param length Length in frames.
- */
-DCP::DCP (string d, string n, ContentType c, int fps, int length)
- : _directory (d)
- , _name (n)
- , _content_type (c)
- , _fps (fps)
- , _length (length)
-{
-}
-
-/** Add a sound asset.
- * @param files Pathnames of WAV files to use in the order Left, Right, Centre, Lfe (sub), Left surround, Right surround.
- */
-void
-DCP::add_sound_asset (list<string> const & files)
-{
- filesystem::path p;
- p /= _directory;
- p /= "audio.mxf";
- _assets.push_back (shared_ptr<SoundAsset> (new SoundAsset (files, p.string(), _fps, _length)));
-}
-
-/** Add a picture asset.
- * @param files Pathnames of JPEG2000 files, in frame order.
- */
-void
-DCP::add_picture_asset (list<string> const & files, int w, int h)
+DCP::DCP (string directory)
+ : _directory (directory)
{
- filesystem::path p;
- p /= _directory;
- p /= "video.mxf";
- _assets.push_back (shared_ptr<PictureAsset> (new PictureAsset (files, p.string(), _fps, _length, w, h)));
+ boost::filesystem::create_directories (directory);
}
-/** Write the required XML files to the directory that was
- * passed into the constructor.
- */
void
-DCP::write_xml () const
+DCP::write_xml (shared_ptr<Encryption> crypt) const
{
- string cpl_uuid = make_uuid ();
- string cpl_path = write_cpl (cpl_uuid);
- int cpl_length = filesystem::file_size (cpl_path);
- string cpl_digest = make_digest (cpl_path);
+ for (list<shared_ptr<const CPL> >::const_iterator i = _cpls.begin(); i != _cpls.end(); ++i) {
+ (*i)->write_xml (crypt);
+ }
string pkl_uuid = make_uuid ();
- string pkl_path = write_pkl (pkl_uuid, cpl_uuid, cpl_digest, cpl_length);
+ string pkl_path = write_pkl (pkl_uuid, crypt);
write_volindex ();
- write_assetmap (cpl_uuid, cpl_length, pkl_uuid, filesystem::file_size (pkl_path));
-}
-
-/** Write the CPL file.
- * @param cpl_uuid UUID to use.
- * @return CPL pathname.
- */
-string
-DCP::write_cpl (string cpl_uuid) const
-{
- filesystem::path p;
- p /= _directory;
- stringstream s;
- s << cpl_uuid << "_cpl.xml";
- p /= s.str();
- ofstream cpl (p.string().c_str());
-
- cpl << "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
- << "<CompositionPlaylist xmlns=\"http://www.smpte-ra.org/schemas/429-7/2006/CPL\">\n"
- << " <Id>urn:uuid:" << cpl_uuid << "</Id>\n"
- << " <AnnotationText>" << _name << "</AnnotationText>\n"
- << " <IssueDate>" << Tags::instance()->issue_date << "</IssueDate>\n"
- << " <Creator>" << Tags::instance()->creator << "</Creator>\n"
- << " <ContentTitleText>" << _name << "</ContentTitleText>\n"
- << " <ContentKind>" << content_type_string (_content_type) << "</ContentKind>\n"
- << " <ContentVersion>\n"
- << " <Id>urn:uri:" << cpl_uuid << "_" << Tags::instance()->issue_date << "</Id>\n"
- << " <LabelText>" << cpl_uuid << "_" << Tags::instance()->issue_date << "</LabelText>\n"
- << " </ContentVersion>\n"
- << " <RatingList/>\n"
- << " <ReelList>\n";
-
- cpl << " <Reel>\n"
- << " <Id>urn:uuid:" << make_uuid() << "</Id>\n"
- << " <AssetList>\n";
-
- for (list<shared_ptr<Asset> >::const_iterator i = _assets.begin(); i != _assets.end(); ++i) {
- (*i)->write_to_cpl (cpl);
- }
-
- cpl << " </AssetList>\n"
- << " </Reel>\n"
- << " </ReelList>\n"
- << "</CompositionPlaylist>\n";
-
- return p.string ();
+ write_assetmap (pkl_uuid, boost::filesystem::file_size (pkl_path));
}
-/** Write the PKL file.
- * @param pkl_uuid UUID to use.
- * @param cpl_uuid UUID of the CPL file.
- * @param cpl_digest SHA digest of the CPL file.
- * @param cpl_length Length of the CPL file in bytes.
- */
std::string
-DCP::write_pkl (string pkl_uuid, string cpl_uuid, string cpl_digest, int cpl_length) const
+DCP::write_pkl (string pkl_uuid, shared_ptr<Encryption> crypt) const
{
- filesystem::path p;
+ assert (!_cpls.empty ());
+
+ boost::filesystem::path p;
p /= _directory;
stringstream s;
s << pkl_uuid << "_pkl.xml";
p /= s.str();
- ofstream pkl (p.string().c_str());
- pkl << "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
- << "<PackingList xmlns=\"http://www.smpte-ra.org/schemas/429-8/2007/PKL\">\n"
- << " <Id>urn:uuid:" << pkl_uuid << "</Id>\n"
- << " <AnnotationText>" << _name << "</AnnotationText>\n"
- << " <IssueDate>" << Tags::instance()->issue_date << "</IssueDate>\n"
- << " <Issuer>" << Tags::instance()->issuer << "</Issuer>\n"
- << " <Creator>" << Tags::instance()->creator << "</Creator>\n"
- << " <AssetList>\n";
-
- for (list<shared_ptr<Asset> >::const_iterator i = _assets.begin(); i != _assets.end(); ++i) {
- (*i)->write_to_pkl (pkl);
+ xmlpp::Document doc;
+ xmlpp::Element* pkl = doc.create_root_node("PackingList", "http://www.smpte-ra.org/schemas/429-8/2007/PKL");
+ if (crypt) {
+ pkl->set_namespace_declaration ("http://www.w3.org/2000/09/xmldsig#", "dsig");
}
- pkl << " <Asset>\n"
- << " <Id>urn:uuid:" << cpl_uuid << "</Id>\n"
- << " <Hash>" << cpl_digest << "</Hash>\n"
- << " <Size>" << cpl_length << "</Size>\n"
- << " <Type>text/xml</Type>\n"
- << " </Asset>\n";
+ pkl->add_child("Id")->add_child_text ("urn:uuid:" + pkl_uuid);
+ /* XXX: this is a bit of a hack */
+ pkl->add_child("AnnotationText")->add_child_text(_cpls.front()->name());
+ pkl->add_child("IssueDate")->add_child_text (Metadata::instance()->issue_date);
+ pkl->add_child("Issuer")->add_child_text (Metadata::instance()->issuer);
+ pkl->add_child("Creator")->add_child_text (Metadata::instance()->creator);
+
+ {
+ xmlpp::Element* asset_list = pkl->add_child("AssetList");
+ list<shared_ptr<const Asset> > a = assets ();
+ for (list<shared_ptr<const Asset> >::const_iterator i = a.begin(); i != a.end(); ++i) {
+ (*i)->write_to_pkl (asset_list);
+ }
+
+ for (list<shared_ptr<const CPL> >::const_iterator i = _cpls.begin(); i != _cpls.end(); ++i) {
+ (*i)->write_to_pkl (asset_list);
+ }
+ }
- pkl << " </AssetList>\n"
- << "</PackingList>\n";
+ if (crypt) {
+ sign (pkl, crypt->certificates, crypt->signer_key);
+ }
+
+ doc.write_to_file_formatted (p.string(), "UTF-8");
return p.string ();
}
-/** Write the VOLINDEX file */
void
DCP::write_volindex () const
{
- filesystem::path p;
+ boost::filesystem::path p;
p /= _directory;
p /= "VOLINDEX.xml";
ofstream vi (p.string().c_str());
<< "</VolumeIndex>\n";
}
-/** Write the ASSETMAP file.
- * @param cpl_uuid UUID of our CPL.
- * @param cpl_length Length of our CPL in bytes.
- * @param pkl_uuid UUID of our PKL.
- * @param pkl_length Length of our PKL in bytes.
- */
void
-DCP::write_assetmap (string cpl_uuid, int cpl_length, string pkl_uuid, int pkl_length) const
+DCP::write_assetmap (string pkl_uuid, int pkl_length) const
{
- filesystem::path p;
+ boost::filesystem::path p;
p /= _directory;
p /= "ASSETMAP.xml";
ofstream am (p.string().c_str());
am << "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
<< "<AssetMap xmlns=\"http://www.smpte-ra.org/schemas/429-9/2007/AM\">\n"
<< " <Id>urn:uuid:" << make_uuid() << "</Id>\n"
- << " <Creator>" << Tags::instance()->creator << "</Creator>\n"
+ << " <Creator>" << Metadata::instance()->creator << "</Creator>\n"
<< " <VolumeCount>1</VolumeCount>\n"
- << " <IssueDate>" << Tags::instance()->issue_date << "</IssueDate>\n"
- << " <Issuer>" << Tags::instance()->issuer << "</Issuer>\n"
+ << " <IssueDate>" << Metadata::instance()->issue_date << "</IssueDate>\n"
+ << " <Issuer>" << Metadata::instance()->issuer << "</Issuer>\n"
<< " <AssetList>\n";
am << " <Asset>\n"
<< " </Chunk>\n"
<< " </ChunkList>\n"
<< " </Asset>\n";
-
- am << " <Asset>\n"
- << " <Id>urn:uuid:" << cpl_uuid << "</Id>\n"
- << " <ChunkList>\n"
- << " <Chunk>\n"
- << " <Path>" << cpl_uuid << "_cpl.xml</Path>\n"
- << " <VolumeIndex>1</VolumeIndex>\n"
- << " <Offset>0</Offset>\n"
- << " <Length>" << cpl_length << "</Length>\n"
- << " </Chunk>\n"
- << " </ChunkList>\n"
- << " </Asset>\n";
- for (list<shared_ptr<Asset> >::const_iterator i = _assets.begin(); i != _assets.end(); ++i) {
+ for (list<shared_ptr<const CPL> >::const_iterator i = _cpls.begin(); i != _cpls.end(); ++i) {
+ (*i)->write_to_assetmap (am);
+ }
+
+ list<shared_ptr<const Asset> > a = assets ();
+ for (list<shared_ptr<const Asset> >::const_iterator i = a.begin(); i != a.end(); ++i) {
(*i)->write_to_assetmap (am);
}
<< "</AssetMap>\n";
}
-/** @param t A content type.
- * @return A string representation suitable for use in a CPL.
+
+void
+DCP::read (bool require_mxfs)
+{
+ Files files;
+
+ shared_ptr<AssetMap> asset_map;
+ try {
+ boost::filesystem::path p = _directory;
+ p /= "ASSETMAP";
+ if (boost::filesystem::exists (p)) {
+ asset_map.reset (new AssetMap (p.string ()));
+ } else {
+ p = _directory;
+ p /= "ASSETMAP.xml";
+ if (boost::filesystem::exists (p)) {
+ asset_map.reset (new AssetMap (p.string ()));
+ } else {
+ throw DCPReadError ("could not find AssetMap file");
+ }
+ }
+
+ } catch (FileError& e) {
+ throw FileError ("could not load AssetMap file", files.asset_map);
+ }
+
+ for (list<shared_ptr<AssetMapAsset> >::const_iterator i = asset_map->assets.begin(); i != asset_map->assets.end(); ++i) {
+ if ((*i)->chunks.size() != 1) {
+ throw XMLError ("unsupported asset chunk count");
+ }
+
+ boost::filesystem::path t = _directory;
+ t /= (*i)->chunks.front()->path;
+
+ if (boost::algorithm::ends_with (t.string(), ".mxf") || boost::algorithm::ends_with (t.string(), ".ttf")) {
+ continue;
+ }
+
+ xmlpp::DomParser* p = new xmlpp::DomParser;
+ try {
+ p->parse_file (t.string());
+ } catch (std::exception& e) {
+ delete p;
+ continue;
+ }
+
+ string const root = p->get_document()->get_root_node()->get_name ();
+ delete p;
+
+ if (root == "CompositionPlaylist") {
+ files.cpls.push_back (t.string());
+ } else if (root == "PackingList") {
+ if (files.pkl.empty ()) {
+ files.pkl = t.string();
+ } else {
+ throw DCPReadError ("duplicate PKLs found");
+ }
+ }
+ }
+
+ if (files.cpls.empty ()) {
+ throw FileError ("no CPL files found", "");
+ }
+
+ if (files.pkl.empty ()) {
+ throw FileError ("no PKL file found", "");
+ }
+
+ shared_ptr<PKLFile> pkl;
+ try {
+ pkl.reset (new PKLFile (files.pkl));
+ } catch (FileError& e) {
+ throw FileError ("could not load PKL file", files.pkl);
+ }
+
+ /* Cross-check */
+ /* XXX */
+
+ for (list<string>::iterator i = files.cpls.begin(); i != files.cpls.end(); ++i) {
+ _cpls.push_back (shared_ptr<CPL> (new CPL (_directory, *i, asset_map, require_mxfs)));
+ }
+}
+
+bool
+DCP::equals (DCP const & other, EqualityOptions opt, list<string>& notes) const
+{
+ if (_cpls.size() != other._cpls.size()) {
+ notes.push_back ("CPL counts differ");
+ return false;
+ }
+
+ list<shared_ptr<const CPL> >::const_iterator a = _cpls.begin ();
+ list<shared_ptr<const CPL> >::const_iterator b = other._cpls.begin ();
+
+ while (a != _cpls.end ()) {
+ if (!(*a)->equals (*b->get(), opt, notes)) {
+ return false;
+ }
+ ++a;
+ ++b;
+ }
+
+ return true;
+}
+
+
+void
+DCP::add_cpl (shared_ptr<CPL> cpl)
+{
+ _cpls.push_back (cpl);
+}
+
+class AssetComparator
+{
+public:
+ bool operator() (shared_ptr<const Asset> a, shared_ptr<const Asset> b) {
+ return a->uuid() < b->uuid();
+ }
+};
+
+list<shared_ptr<const Asset> >
+DCP::assets () const
+{
+ list<shared_ptr<const Asset> > a;
+ for (list<shared_ptr<const CPL> >::const_iterator i = _cpls.begin(); i != _cpls.end(); ++i) {
+ list<shared_ptr<const Asset> > t = (*i)->assets ();
+ a.merge (t);
+ }
+
+ a.sort (AssetComparator ());
+ a.unique ();
+ return a;
+}
+
+CPL::CPL (string directory, string name, ContentKind content_kind, int length, int frames_per_second)
+ : _directory (directory)
+ , _name (name)
+ , _content_kind (content_kind)
+ , _length (length)
+ , _fps (frames_per_second)
+{
+ _uuid = make_uuid ();
+}
+
+/** Construct a CPL object from a XML file.
+ * @param directory The directory containing this CPL's DCP.
+ * @param file The CPL XML filename.
+ * @param asset_map The corresponding asset map.
+ * @param require_mxfs true to throw an exception if a required MXF file does not exist.
*/
-string
-DCP::content_type_string (ContentType t)
+CPL::CPL (string directory, string file, shared_ptr<const AssetMap> asset_map, bool require_mxfs)
+ : _directory (directory)
+ , _content_kind (FEATURE)
+ , _length (0)
+ , _fps (0)
+{
+ /* Read the XML */
+ shared_ptr<CPLFile> cpl;
+ try {
+ cpl.reset (new CPLFile (file));
+ } catch (FileError& e) {
+ throw FileError ("could not load CPL file", file);
+ }
+
+ /* Now cherry-pick the required bits into our own data structure */
+
+ _name = cpl->annotation_text;
+ _content_kind = cpl->content_kind;
+
+ for (list<shared_ptr<CPLReel> >::iterator i = cpl->reels.begin(); i != cpl->reels.end(); ++i) {
+
+ shared_ptr<Picture> p;
+
+ if ((*i)->asset_list->main_picture) {
+ p = (*i)->asset_list->main_picture;
+ } else {
+ p = (*i)->asset_list->main_stereoscopic_picture;
+ }
+
+ _fps = p->edit_rate.numerator;
+ _length += p->duration;
+
+ shared_ptr<PictureAsset> picture;
+ shared_ptr<SoundAsset> sound;
+ shared_ptr<SubtitleAsset> subtitle;
+
+ /* Some rather twisted logic to decide if we are 3D or not;
+ some DCPs give a MainStereoscopicPicture to indicate 3D, others
+ just have a FrameRate twice the EditRate and apparently
+ expect you to divine the fact that they are hence 3D.
+ */
+
+ if (!(*i)->asset_list->main_stereoscopic_picture && p->edit_rate == p->frame_rate) {
+
+ try {
+ picture.reset (new MonoPictureAsset (
+ _directory,
+ asset_map->asset_from_id (p->id)->chunks.front()->path,
+ _fps,
+ (*i)->asset_list->main_picture->entry_point,
+ (*i)->asset_list->main_picture->duration
+ )
+ );
+ } catch (MXFFileError) {
+ if (require_mxfs) {
+ throw;
+ }
+ }
+
+ } else {
+
+ try {
+ picture.reset (new StereoPictureAsset (
+ _directory,
+ asset_map->asset_from_id (p->id)->chunks.front()->path,
+ _fps,
+ p->entry_point,
+ p->duration
+ )
+ );
+ } catch (MXFFileError) {
+ if (require_mxfs) {
+ throw;
+ }
+ }
+
+ }
+
+ if ((*i)->asset_list->main_sound) {
+
+ try {
+ sound.reset (new SoundAsset (
+ _directory,
+ asset_map->asset_from_id ((*i)->asset_list->main_sound->id)->chunks.front()->path,
+ _fps,
+ (*i)->asset_list->main_sound->entry_point,
+ (*i)->asset_list->main_sound->duration
+ )
+ );
+ } catch (MXFFileError) {
+ if (require_mxfs) {
+ throw;
+ }
+ }
+ }
+
+ if ((*i)->asset_list->main_subtitle) {
+
+ subtitle.reset (new SubtitleAsset (
+ _directory,
+ asset_map->asset_from_id ((*i)->asset_list->main_subtitle->id)->chunks.front()->path
+ )
+ );
+ }
+
+ _reels.push_back (shared_ptr<Reel> (new Reel (picture, sound, subtitle)));
+ }
+}
+
+void
+CPL::add_reel (shared_ptr<const Reel> reel)
+{
+ _reels.push_back (reel);
+}
+
+void
+CPL::write_xml (shared_ptr<Encryption> crypt) const
+{
+ boost::filesystem::path p;
+ p /= _directory;
+ stringstream s;
+ s << _uuid << "_cpl.xml";
+ p /= s.str();
+
+ xmlpp::Document doc;
+ xmlpp::Element* cpl = doc.create_root_node("CompositionPlaylist", "http://www.smpte-ra.org/schemas/429-7/2006/CPL");
+
+ if (crypt) {
+ cpl->set_namespace_declaration ("http://www.w3.org/2000/09/xmldsig#", "dsig");
+ }
+
+ cpl->add_child("Id")->add_child_text ("urn:uuid:" + _uuid);
+ cpl->add_child("AnnotationText")->add_child_text (_name);
+ cpl->add_child("IssueDate")->add_child_text (Metadata::instance()->issue_date);
+ cpl->add_child("Creator")->add_child_text (Metadata::instance()->creator);
+ cpl->add_child("ContentTitleText")->add_child_text (_name);
+ cpl->add_child("ContentKind")->add_child_text (content_kind_to_string (_content_kind));
+
+ {
+ xmlpp::Element* cv = cpl->add_child ("ContentVersion");
+ cv->add_child("Id")->add_child_text ("urn:uri:" + _uuid + "_" + Metadata::instance()->issue_date);
+ cv->add_child("LabelText")->add_child_text (_uuid + "_" + Metadata::instance()->issue_date);
+ }
+
+ cpl->add_child("RatingList");
+
+ xmlpp::Element* reel_list = cpl->add_child("ReelList");
+ for (list<shared_ptr<const Reel> >::const_iterator i = _reels.begin(); i != _reels.end(); ++i) {
+ (*i)->write_to_cpl (reel_list);
+ }
+
+ if (crypt) {
+ sign (cpl, crypt->certificates, crypt->signer_key);
+ }
+
+ doc.write_to_file_formatted (p.string(), "UTF-8");
+
+ _digest = make_digest (p.string ());
+ _length = boost::filesystem::file_size (p.string ());
+}
+
+void
+CPL::write_to_pkl (xmlpp::Element* p) const
{
- switch (t) {
- case FEATURE:
- return "feature";
- case SHORT:
- return "short";
- case TRAILER:
- return "trailer";
- case TEST:
- return "test";
- case TRANSITIONAL:
- return "transitional";
- case RATING:
- return "rating";
- case TEASER:
- return "teaser";
- case POLICY:
- return "policy";
- case PUBLIC_SERVICE_ANNOUNCEMENT:
- return "psa";
- case ADVERTISEMENT:
- return "advertisement";
- }
-
- assert (false);
+ xmlpp::Element* asset = p->add_child("Asset");
+ asset->add_child("Id")->add_child_text("urn:uuid:" + _uuid);
+ asset->add_child("Hash")->add_child_text(_digest);
+ asset->add_child("Size")->add_child_text(boost::lexical_cast<string> (_length));
+ asset->add_child("Type")->add_child_text("text/xml");
}
+
+list<shared_ptr<const Asset> >
+CPL::assets () const
+{
+ list<shared_ptr<const Asset> > a;
+ for (list<shared_ptr<const Reel> >::const_iterator i = _reels.begin(); i != _reels.end(); ++i) {
+ if ((*i)->main_picture ()) {
+ a.push_back ((*i)->main_picture ());
+ }
+ if ((*i)->main_sound ()) {
+ a.push_back ((*i)->main_sound ());
+ }
+ if ((*i)->main_subtitle ()) {
+ a.push_back ((*i)->main_subtitle ());
+ }
+ }
+
+ return a;
+}
+
+void
+CPL::write_to_assetmap (ostream& s) const
+{
+ s << " <Asset>\n"
+ << " <Id>urn:uuid:" << _uuid << "</Id>\n"
+ << " <ChunkList>\n"
+ << " <Chunk>\n"
+ << " <Path>" << _uuid << "_cpl.xml</Path>\n"
+ << " <VolumeIndex>1</VolumeIndex>\n"
+ << " <Offset>0</Offset>\n"
+ << " <Length>" << _length << "</Length>\n"
+ << " </Chunk>\n"
+ << " </ChunkList>\n"
+ << " </Asset>\n";
+}
+
+
+
+bool
+CPL::equals (CPL const & other, EqualityOptions opt, list<string>& notes) const
+{
+ if (_name != other._name) {
+ notes.push_back ("names differ");
+ return false;
+ }
+
+ if (_content_kind != other._content_kind) {
+ notes.push_back ("content kinds differ");
+ return false;
+ }
+
+ if (_fps != other._fps) {
+ notes.push_back ("frames per second differ");
+ return false;
+ }
+
+ if (_length != other._length) {
+ notes.push_back ("lengths differ");
+ return false;
+ }
+
+ if (_reels.size() != other._reels.size()) {
+ notes.push_back ("reel counts differ");
+ return false;
+ }
+
+ list<shared_ptr<const Reel> >::const_iterator a = _reels.begin ();
+ list<shared_ptr<const Reel> >::const_iterator b = other._reels.begin ();
+
+ while (a != _reels.end ()) {
+ if (!(*a)->equals (*b, opt, notes)) {
+ return false;
+ }
+ ++a;
+ ++b;
+ }
+
+ return true;
+}
+
+shared_ptr<xmlpp::Document>
+CPL::make_kdm (
+ CertificateChain const & certificates,
+ string const & signer_key,
+ shared_ptr<const Certificate> recipient_cert,
+ boost::posix_time::ptime from,
+ boost::posix_time::ptime until
+ ) const
+{
+ shared_ptr<xmlpp::Document> doc (new xmlpp::Document);
+ xmlpp::Element* root = doc->create_root_node ("DCinemaSecurityMessage");
+ root->set_namespace_declaration ("http://www.smpte-ra.org/schemas/430-3/2006/ETM", "");
+ root->set_namespace_declaration ("http://www.w3.org/2000/09/xmldsig#", "ds");
+ root->set_namespace_declaration ("http://www.w3.org/2001/04/xmlenc#", "enc");
+
+ {
+ xmlpp::Element* authenticated_public = root->add_child("AuthenticatedPublic");
+ authenticated_public->set_attribute("Id", "ID_AuthenticatedPublic");
+ xmlAddID (0, doc->cobj(), (const xmlChar *) "ID_AuthenticatedPublic", authenticated_public->get_attribute("Id")->cobj());
+ authenticated_public->add_child("MessageId")->add_child_text("urn:uuid:" + make_uuid());
+ authenticated_public->add_child("MessageType")->add_child_text("http://www.smpte-ra.org/430-1/2006/KDM#kdm-key-type");
+ authenticated_public->add_child("AnnotationText")->add_child_text(Metadata::instance()->product_name);
+ authenticated_public->add_child("IssueDate")->add_child_text(Metadata::instance()->issue_date);
+
+ {
+ xmlpp::Element* signer = authenticated_public->add_child("Signer");
+ signer->add_child("X509IssuerName", "ds")->add_child_text (
+ Certificate::name_for_xml (recipient_cert->issuer())
+ );
+ signer->add_child("X509SerialNumber", "ds")->add_child_text (
+ recipient_cert->serial()
+ );
+ }
+
+ {
+ xmlpp::Element* required_extensions = authenticated_public->add_child("RequiredExtensions");
+
+ {
+ xmlpp::Element* kdm_required_extensions = required_extensions->add_child("KDMRequiredExtensions");
+ kdm_required_extensions->set_namespace_declaration ("http://www.smpte-ra.org/schemas/430-1/2006/KDM");
+ {
+ xmlpp::Element* recipient = kdm_required_extensions->add_child("Recipient");
+ {
+ xmlpp::Element* serial_element = recipient->add_child("X509IssuerSerial");
+ serial_element->add_child("X509IssuerName", "ds")->add_child_text (
+ Certificate::name_for_xml (recipient_cert->issuer())
+ );
+ serial_element->add_child("X509SerialNumber", "ds")->add_child_text (
+ recipient_cert->serial()
+ );
+ }
+
+ recipient->add_child("X509SubjectName")->add_child_text (Certificate::name_for_xml (recipient_cert->subject()));
+ }
+
+ kdm_required_extensions->add_child("CompositionPlaylistId")->add_child_text("urn:uuid:" + _uuid);
+ kdm_required_extensions->add_child("ContentTitleText")->add_child_text(_name);
+ kdm_required_extensions->add_child("ContentAuthenticator")->add_child_text(certificates.leaf()->thumbprint());
+ kdm_required_extensions->add_child("ContentKeysNotValidBefore")->add_child_text("XXX");
+ kdm_required_extensions->add_child("ContentKeysNotValidAfter")->add_child_text("XXX");
+
+ {
+ xmlpp::Element* authorized_device_info = kdm_required_extensions->add_child("AuthorizedDeviceInfo");
+ authorized_device_info->add_child("DeviceListIdentifier")->add_child_text("urn:uuid:" + make_uuid());
+ authorized_device_info->add_child("DeviceListDescription")->add_child_text(recipient_cert->subject());
+ {
+ xmlpp::Element* device_list = authorized_device_info->add_child("DeviceList");
+ device_list->add_child("CertificateThumbprint")->add_child_text(recipient_cert->thumbprint());
+ }
+ }
+
+ {
+ xmlpp::Element* key_id_list = kdm_required_extensions->add_child("KeyIdList");
+ list<shared_ptr<const Asset> > a = assets();
+ for (list<shared_ptr<const Asset> >::iterator i = a.begin(); i != a.end(); ++i) {
+ /* XXX: non-MXF assets? */
+ shared_ptr<const MXFAsset> mxf = boost::dynamic_pointer_cast<const MXFAsset> (*i);
+ if (mxf) {
+ mxf->add_typed_key_id (key_id_list);
+ }
+ }
+ }
+
+ {
+ xmlpp::Element* forensic_mark_flag_list = kdm_required_extensions->add_child("ForensicMarkFlagList");
+ forensic_mark_flag_list->add_child("ForensicMarkFlag")->add_child_text (
+ "http://www.smpte-ra.org/430-1/2006/KDM#mrkflg-picture-disable"
+ );
+ forensic_mark_flag_list->add_child("ForensicMarkFlag")->add_child_text (
+ "http://www.smpte-ra.org/430-1/2006/KDM#mrkflg-audio-disable"
+ );
+ }
+ }
+ }
+
+ authenticated_public->add_child("NonCriticalExtensions");
+ }
+
+ {
+ xmlpp::Element* authenticated_private = root->add_child("AuthenticatedPrivate");
+ authenticated_private->set_attribute ("Id", "ID_AuthenticatedPrivate");
+ xmlAddID (0, doc->cobj(), (const xmlChar *) "ID_AuthenticatedPrivate", authenticated_private->get_attribute("Id")->cobj());
+ {
+ xmlpp::Element* encrypted_key = authenticated_private->add_child ("EncryptedKey", "enc");
+ {
+ xmlpp::Element* encryption_method = encrypted_key->add_child ("EncryptionMethod", "enc");
+ encryption_method->set_attribute ("Algorithm", "http://www.w3.org/2001/04/xmlenc#rsa-oaep-mgf1p");
+ encryption_method->add_child("DigestMethod", "ds")->set_attribute("Algorithm", "http://www.w3.org/2000/09/xmldsig#sha1");
+ }
+
+ xmlpp::Element* cipher_data = authenticated_private->add_child ("CipherData", "enc");
+ cipher_data->add_child("CipherValue", "enc")->add_child_text("XXX");
+ }
+ }
+
+ /* XXX: x2 one for each mxf? */
+
+ {
+ xmlpp::Element* signature = root->add_child("Signature", "ds");
+
+ {
+ xmlpp::Element* signed_info = signature->add_child("SignedInfo", "ds");
+ signed_info->add_child("CanonicalizationMethod", "ds")->set_attribute(
+ "Algorithm", "http://www.w3.org/TR/2001/REC-xml-c14n-20010315#WithComments"
+ );
+ signed_info->add_child("SignatureMethod", "ds")->set_attribute(
+ "Algorithm", "http://www.w3.org/2001/04/xmldsig-more#rsa-sha256"
+ );
+ {
+ xmlpp::Element* reference = signed_info->add_child("Reference", "ds");
+ reference->set_attribute("URI", "#ID_AuthenticatedPublic");
+ reference->add_child("DigestMethod", "ds")->set_attribute("Algorithm", "http://www.w3.org/2001/04/xmlenc#sha256");
+ reference->add_child("DigestValue", "ds");
+ }
+
+ {
+ xmlpp::Element* reference = signed_info->add_child("Reference", "ds");
+ reference->set_attribute("URI", "#ID_AuthenticatedPrivate");
+ reference->add_child("DigestMethod", "ds")->set_attribute("Algorithm", "http://www.w3.org/2001/04/xmlenc#sha256");
+ reference->add_child("DigestValue", "ds");
+ }
+ }
+
+ add_signature_value (signature, certificates, signer_key, "ds");
+ }
+
+ return doc;
+}