Add test() to cscript.
[libdcp.git] / src / dcp.cc
index aa7bb46a2164a0a66514196d5c8cffca2294dd87..7cce30feb31c77ab44558690310a5965fc434f27 100644 (file)
  */
 
 #include <sstream>
-#include <fstream>
 #include <iomanip>
 #include <cassert>
 #include <iostream>
 #include <boost/filesystem.hpp>
+#include <boost/algorithm/string.hpp>
 #include <libxml++/libxml++.h>
 #include <xmlsec/xmldsig.h>
 #include <xmlsec/app.h>
 #include "util.h"
 #include "metadata.h"
 #include "exceptions.h"
-#include "cpl_file.h"
-#include "pkl_file.h"
-#include "asset_map.h"
+#include "parse/pkl.h"
+#include "parse/asset_map.h"
 #include "reel.h"
+#include "cpl.h"
+#include "signer.h"
+#include "kdm.h"
+#include "raw_convert.h"
 
 using std::string;
 using std::list;
 using std::stringstream;
-using std::ofstream;
 using std::ostream;
+using std::copy;
+using std::back_inserter;
+using std::make_pair;
 using boost::shared_ptr;
 using namespace libdcp;
 
-DCP::DCP (string directory)
+DCP::DCP (boost::filesystem::path directory)
        : _directory (directory)
-       , _encrypted (false)
 {
        boost::filesystem::create_directories (directory);
 }
 
 void
-DCP::write_xml () const
+DCP::write_xml (bool interop, XMLMetadata const & metadata, shared_ptr<const Signer> signer) const
 {
-       for (list<shared_ptr<const CPL> >::const_iterator i = _cpls.begin(); i != _cpls.end(); ++i) {
-               (*i)->write_xml (_encrypted, _certificates, _signer_key);
+       for (list<shared_ptr<CPL> >::const_iterator i = _cpls.begin(); i != _cpls.end(); ++i) {
+               (*i)->write_xml (interop, metadata, signer);
        }
 
        string pkl_uuid = make_uuid ();
-       string pkl_path = write_pkl (pkl_uuid);
+       string pkl_path = write_pkl (pkl_uuid, interop, metadata, signer);
        
-       write_volindex ();
-       write_assetmap (pkl_uuid, boost::filesystem::file_size (pkl_path));
+       write_volindex (interop);
+       write_assetmap (pkl_uuid, boost::filesystem::file_size (pkl_path), interop, metadata);
 }
 
 std::string
-DCP::write_pkl (string pkl_uuid) const
+DCP::write_pkl (string pkl_uuid, bool interop, XMLMetadata const & metadata, shared_ptr<const Signer> signer) const
 {
        assert (!_cpls.empty ());
        
@@ -82,125 +86,163 @@ DCP::write_pkl (string pkl_uuid) const
        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"
-               /* XXX: this is a bit of a hack */
-           << "  <AnnotationText>" << _cpls.front()->name() << "</AnnotationText>\n"
-           << "  <IssueDate>" << Metadata::instance()->issue_date << "</IssueDate>\n"
-           << "  <Issuer>" << Metadata::instance()->issuer << "</Issuer>\n"
-           << "  <Creator>" << Metadata::instance()->creator << "</Creator>\n"
-           << "  <AssetList>\n";
 
+       xmlpp::Document doc;
+       xmlpp::Element* pkl;
+       if (interop) {
+               pkl = doc.create_root_node("PackingList", "http://www.digicine.com/PROTO-ASDCP-PKL-20040311#");
+       } else {
+               pkl = doc.create_root_node("PackingList", "http://www.smpte-ra.org/schemas/429-8/2007/PKL");
+       }
+       
+       if (signer) {
+               pkl->set_namespace_declaration ("http://www.w3.org/2000/09/xmldsig#", "dsig");
+       }
+
+       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.issue_date);
+       pkl->add_child("Issuer")->add_child_text (metadata.issuer);
+       pkl->add_child("Creator")->add_child_text (metadata.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 (pkl);
+               (*i)->write_to_pkl (asset_list, interop);
        }
-
-       for (list<shared_ptr<const CPL> >::const_iterator i = _cpls.begin(); i != _cpls.end(); ++i) {
-               (*i)->write_to_pkl (pkl);
+       
+       for (list<shared_ptr<CPL> >::const_iterator i = _cpls.begin(); i != _cpls.end(); ++i) {
+               (*i)->write_to_pkl (asset_list, interop);
        }
 
-       pkl << "  </AssetList>\n"
-           << "</PackingList>\n";
-
+       if (signer) {
+               signer->sign (pkl, interop);
+       }
+               
+       doc.write_to_file (p.string (), "UTF-8");
        return p.string ();
 }
 
 void
-DCP::write_volindex () const
+DCP::write_volindex (bool interop) const
 {
        boost::filesystem::path p;
        p /= _directory;
-       p /= "VOLINDEX.xml";
-       ofstream vi (p.string().c_str());
+       if (interop) {
+               p /= "VOLINDEX";
+       } else {
+               p /= "VOLINDEX.xml";
+       }
 
-       vi << "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
-          << "<VolumeIndex xmlns=\"http://www.smpte-ra.org/schemas/429-9/2007/AM\">\n"
-          << "  <Index>1</Index>\n"
-          << "</VolumeIndex>\n";
+       xmlpp::Document doc;
+       xmlpp::Element* root;
+       if (interop) {
+               root = doc.create_root_node ("VolumeIndex", "http://www.digicine.com/PROTO-ASDCP-AM-20040311#");
+       } else {
+               root = doc.create_root_node ("VolumeIndex", "http://www.smpte-ra.org/schemas/429-9/2007/AM");
+       }
+       root->add_child("Index")->add_child_text ("1");
+       doc.write_to_file (p.string (), "UTF-8");
 }
 
 void
-DCP::write_assetmap (string pkl_uuid, int pkl_length) const
+DCP::write_assetmap (string pkl_uuid, int pkl_length, bool interop, XMLMetadata const & metadata) const
 {
        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>" << Metadata::instance()->creator << "</Creator>\n"
-          << "  <VolumeCount>1</VolumeCount>\n"
-          << "  <IssueDate>" << Metadata::instance()->issue_date << "</IssueDate>\n"
-          << "  <Issuer>" << Metadata::instance()->issuer << "</Issuer>\n"
-          << "  <AssetList>\n";
-
-       am << "    <Asset>\n"
-          << "      <Id>urn:uuid:" << pkl_uuid << "</Id>\n"
-          << "      <PackingList>true</PackingList>\n"
-          << "      <ChunkList>\n"
-          << "        <Chunk>\n"
-          << "          <Path>" << pkl_uuid << "_pkl.xml</Path>\n"
-          << "          <VolumeIndex>1</VolumeIndex>\n"
-          << "          <Offset>0</Offset>\n"
-          << "          <Length>" << pkl_length << "</Length>\n"
-          << "        </Chunk>\n"
-          << "      </ChunkList>\n"
-          << "    </Asset>\n";
+       if (interop) {
+               p /= "ASSETMAP";
+       } else {
+               p /= "ASSETMAP.xml";
+       }
+
+       xmlpp::Document doc;
+       xmlpp::Element* root;
+       if (interop) {
+               root = doc.create_root_node ("AssetMap", "http://www.digicine.com/PROTO-ASDCP-AM-20040311#");
+       } else {
+               root = doc.create_root_node ("AssetMap", "http://www.smpte-ra.org/schemas/429-9/2007/AM");
+       }
+
+       root->add_child("Id")->add_child_text ("urn:uuid:" + make_uuid());
+       root->add_child("AnnotationText")->add_child_text ("Created by " + metadata.creator);
+       if (interop) {
+               root->add_child("VolumeCount")->add_child_text ("1");
+               root->add_child("IssueDate")->add_child_text (metadata.issue_date);
+               root->add_child("Issuer")->add_child_text (metadata.issuer);
+               root->add_child("Creator")->add_child_text (metadata.creator);
+       } else {
+               root->add_child("Creator")->add_child_text (metadata.creator);
+               root->add_child("VolumeCount")->add_child_text ("1");
+               root->add_child("IssueDate")->add_child_text (metadata.issue_date);
+               root->add_child("Issuer")->add_child_text (metadata.issuer);
+       }
+               
+       xmlpp::Node* asset_list = root->add_child ("AssetList");
+
+       xmlpp::Node* asset = asset_list->add_child ("Asset");
+       asset->add_child("Id")->add_child_text ("urn:uuid:" + pkl_uuid);
+       asset->add_child("PackingList")->add_child_text ("true");
+       xmlpp::Node* chunk_list = asset->add_child ("ChunkList");
+       xmlpp::Node* chunk = chunk_list->add_child ("Chunk");
+       chunk->add_child("Path")->add_child_text (pkl_uuid + "_pkl.xml");
+       chunk->add_child("VolumeIndex")->add_child_text ("1");
+       chunk->add_child("Offset")->add_child_text ("0");
+       chunk->add_child("Length")->add_child_text (raw_convert<string> (pkl_length));
        
-       for (list<shared_ptr<const CPL> >::const_iterator i = _cpls.begin(); i != _cpls.end(); ++i) {
-               (*i)->write_to_assetmap (am);
+       for (list<shared_ptr<CPL> >::const_iterator i = _cpls.begin(); i != _cpls.end(); ++i) {
+               (*i)->write_to_assetmap (asset_list);
        }
 
        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);
+               (*i)->write_to_assetmap (asset_list);
        }
 
-       am << "  </AssetList>\n"
-          << "</AssetMap>\n";
+       /* This must not be the _formatted version otherwise signature digests will be wrong */
+       doc.write_to_file (p.string (), "UTF-8");
 }
 
-
 void
 DCP::read (bool require_mxfs)
 {
-       Files files;
+       read_assets ();
+       read_cpls (require_mxfs);
+}
 
-       shared_ptr<AssetMap> asset_map;
+void
+DCP::read_assets ()
+{
+       shared_ptr<parse::AssetMap> asset_map;
        try {
                boost::filesystem::path p = _directory;
                p /= "ASSETMAP";
                if (boost::filesystem::exists (p)) {
-                       asset_map.reset (new AssetMap (p.string ()));
+                       asset_map.reset (new libdcp::parse::AssetMap (p.string ()));
                } else {
                        p = _directory;
                        p /= "ASSETMAP.xml";
                        if (boost::filesystem::exists (p)) {
-                               asset_map.reset (new AssetMap (p.string ()));
+                               asset_map.reset (new libdcp::parse::AssetMap (p.string ()));
                        } else {
-                               throw DCPReadError ("could not find AssetMap file");
+                               boost::throw_exception (FileError ("could not find AssetMap file", p, -1));
                        }
                }
                
        } catch (FileError& e) {
-               throw FileError ("could not load AssetMap file", files.asset_map);
+               boost::throw_exception (FileError ("could not load AssetMap file", e.filename(), e.number ()));
        }
 
-       for (list<shared_ptr<AssetMapAsset> >::const_iterator i = asset_map->assets.begin(); i != asset_map->assets.end(); ++i) {
+       for (list<shared_ptr<libdcp::parse::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::throw_exception (XMLError ("unsupported asset chunk count"));
                }
 
                boost::filesystem::path t = _directory;
                t /= (*i)->chunks.front()->path;
                
-               if (ends_with (t.string(), ".mxf") || ends_with (t.string(), ".ttf")) {
+               if (boost::algorithm::ends_with (t.string(), ".mxf") || boost::algorithm::ends_with (t.string(), ".ttf")) {
                        continue;
                }
 
@@ -216,52 +258,55 @@ DCP::read (bool require_mxfs)
                delete p;
 
                if (root == "CompositionPlaylist") {
-                       files.cpls.push_back (t.string());
+                       _files.cpls.push_back (t.string());
                } else if (root == "PackingList") {
-                       if (files.pkl.empty ()) {
-                               files.pkl = t.string();
+                       if (_files.pkl.empty ()) {
+                               _files.pkl = t.string();
                        } else {
-                               throw DCPReadError ("duplicate PKLs found");
+                               boost::throw_exception (DCPReadError ("duplicate PKLs found"));
                        }
                }
        }
        
-       if (files.cpls.empty ()) {
-               throw FileError ("no CPL files found", "");
+       if (_files.cpls.empty ()) {
+               boost::throw_exception (DCPReadError ("no CPL files found"));
        }
 
-       if (files.pkl.empty ()) {
-               throw FileError ("no PKL file found", "");
+       if (_files.pkl.empty ()) {
+               boost::throw_exception (DCPReadError ("no PKL file found"));
        }
 
-       shared_ptr<PKLFile> pkl;
+       shared_ptr<parse::PKL> pkl;
        try {
-               pkl.reset (new PKLFile (files.pkl));
+               pkl.reset (new parse::PKL (_files.pkl));
        } catch (FileError& e) {
-               throw FileError ("could not load PKL file", files.pkl);
+               boost::throw_exception (FileError ("could not load PKL file", _files.pkl, e.number ()));
        }
 
-       /* Cross-check */
-       /* XXX */
+       _asset_maps.push_back (make_pair (boost::filesystem::absolute (_directory).string(), asset_map));
+}
 
-       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)));
+void
+DCP::read_cpls (bool require_mxfs)
+{
+       for (list<string>::iterator i = _files.cpls.begin(); i != _files.cpls.end(); ++i) {
+               _cpls.push_back (shared_ptr<CPL> (new CPL (_directory, *i, _asset_maps, require_mxfs)));
        }
 }
 
 bool
-DCP::equals (DCP const & other, EqualityOptions opt, list<string>& notes) const
+DCP::equals (DCP const & other, EqualityOptions opt, boost::function<void (NoteType, string)> note) const
 {
        if (_cpls.size() != other._cpls.size()) {
-               notes.push_back ("CPL counts differ");
+               note (ERROR, "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 ();
+       list<shared_ptr<CPL> >::const_iterator a = _cpls.begin ();
+       list<shared_ptr<CPL> >::const_iterator b = other._cpls.begin ();
 
        while (a != _cpls.end ()) {
-               if (!(*a)->equals (*b->get(), opt, notes)) {
+               if (!(*a)->equals (*b->get(), opt, note)) {
                        return false;
                }
                ++a;
@@ -271,7 +316,6 @@ DCP::equals (DCP const & other, EqualityOptions opt, list<string>& notes) const
        return true;
 }
 
-
 void
 DCP::add_cpl (shared_ptr<CPL> cpl)
 {
@@ -290,7 +334,7 @@ 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) {
+       for (list<shared_ptr<CPL> >::const_iterator i = _cpls.begin(); i != _cpls.end(); ++i) {
                list<shared_ptr<const Asset> > t = (*i)->assets ();
                a.merge (t);
        }
@@ -300,350 +344,34 @@ DCP::assets () const
        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 ();
-}
-
-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 (bool encrypted, CertificateChain const & certificates, string const & signer_key) const
+bool
+DCP::encrypted () 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 (encrypted) {
-               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 (encrypted) {
-               xmlpp::Element* signer = cpl->add_child("Signer");
-               {
-                       xmlpp::Element* data = signer->add_child("X509Data", "dsig");
-                       {
-                               xmlpp::Element* serial = data->add_child("X509IssuerSerial", "dsig");
-                               serial->add_child("X509IssuerName", "dsig")->add_child_text (
-                                       Certificate::name_for_xml (certificates.leaf()->issuer())
-                                       );
-                               serial->add_child("X509SerialNumber", "dsig")->add_child_text (
-                                       certificates.leaf()->serial()
-                                       );
-                       }
-                       data->add_child("X509SubjectName", "dsig")->add_child_text (
-                               Certificate::name_for_xml (certificates.leaf()->subject())
-                               );
-               }
-
-               xmlpp::Element* signature = cpl->add_child("Signature", "dsig");
-               
-               {
-                       xmlpp::Element* signed_info = signature->add_child ("SignedInfo", "dsig");
-                       signed_info->add_child("CanonicalizationMethod", "dsig")->set_attribute ("Algorithm", "http://www.w3.org/TR/2001/REC-xml-c14n-20010315");
-                       signed_info->add_child("SignatureMethod", "dsig")->set_attribute("Algorithm", "http://www.w3.org/2001/04/xmldsig-more#rsa-sha256");
-                       {
-                               xmlpp::Element* reference = signed_info->add_child("Reference", "dsig");
-                               reference->set_attribute ("URI", "");
-                               {
-                                       xmlpp::Element* transforms = reference->add_child("Transforms", "dsig");
-                                       transforms->add_child("Transform", "dsig")->set_attribute (
-                                               "Algorithm", "http://www.w3.org/2000/09/xmldsig#enveloped-signature"
-                                               );
-                               }
-                               reference->add_child("DigestMethod", "dsig")->set_attribute("Algorithm", "http://www.w3.org/2000/09/xmldsig#sha1");
-                               /* This will be filled in by the signing later */
-                               reference->add_child("DigestValue", "dsig");
-                       }
-               }
-
-               signature->add_child("SignatureValue", "dsig");
-
-               xmlpp::Element* key_info = signature->add_child("KeyInfo", "dsig");
-               list<shared_ptr<Certificate> > c = certificates.leaf_to_root ();
-               for (list<shared_ptr<Certificate> >::iterator i = c.begin(); i != c.end(); ++i) {
-                       xmlpp::Element* data = key_info->add_child("X509Data", "dsig");
-
-                       {
-                               xmlpp::Element* serial = data->add_child("X509IssuerSerial", "dsig");
-                               serial->add_child("X509IssuerName", "dsig")->add_child_text(
-                                       Certificate::name_for_xml ((*i)->issuer())
-                                       );
-                               serial->add_child("X509SerialNumber", "dsig")->add_child_text((*i)->serial());
-                       }
-                       
-                       data->add_child("X509Certificate", "dsig")->add_child_text((*i)->certificate());
+       for (list<shared_ptr<CPL> >::const_iterator i = _cpls.begin(); i != _cpls.end(); ++i) {
+               if ((*i)->encrypted ()) {
+                       return true;
                }
-
-               doc.write_to_file_formatted ("/home/carl/fuckwit.xml", "UTF-8");
-
-               xmlSecKeysMngrPtr keys_manager = xmlSecKeysMngrCreate();
-               if (!keys_manager) {
-                       throw MiscError ("could not create keys manager");
-               }
-               if (xmlSecCryptoAppDefaultKeysMngrInit (keys_manager) < 0) {
-                       throw MiscError ("could not initialise keys manager");
-               }
-
-               xmlSecKeyPtr const key = xmlSecCryptoAppKeyLoad (signer_key.c_str(), xmlSecKeyDataFormatPem, 0, 0, 0);
-               if (key == 0) {
-                       throw MiscError ("could not load signer key");
-               }
-
-               if (xmlSecCryptoAppDefaultKeysMngrAdoptKey (keys_manager, key) < 0) {
-                       xmlSecKeyDestroy (key);
-                       throw MiscError ("could not use signer key");
-               }
-
-               xmlSecDSigCtx signature_context;
-
-               if (xmlSecDSigCtxInitialize (&signature_context, keys_manager) < 0) {
-                       throw MiscError ("could not initialise XMLSEC context");
-               }
-
-               if (xmlSecDSigCtxSign (&signature_context, signature->cobj()) < 0) {
-                       throw MiscError ("could not sign CPL");
-               }
-
-               xmlSecDSigCtxFinalize (&signature_context);
-               xmlSecKeysMngrDestroy (keys_manager);
        }
 
-       doc.write_to_file_formatted (p.string(), "UTF-8");
-
-       _digest = make_digest (p.string (), 0);
-       _length = boost::filesystem::file_size (p.string ());
+       return false;
 }
 
 void
-CPL::write_to_pkl (ostream& s) const
-{
-       s << "    <Asset>\n"
-         << "      <Id>urn:uuid:" << _uuid << "</Id>\n"
-         << "      <Hash>" << _digest << "</Hash>\n"
-         << "      <Size>" << _length << "</Size>\n"
-         << "      <Type>text/xml</Type>\n"
-         << "    </Asset>\n";
-}
-
-list<shared_ptr<const Asset> >
-CPL::assets () const
+DCP::add_kdm (KDM const & kdm)
 {
-       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 ());
+       list<KDMKey> keys = kdm.keys ();
+       
+       for (list<shared_ptr<CPL> >::iterator i = _cpls.begin(); i != _cpls.end(); ++i) {
+               for (list<KDMKey>::iterator j = keys.begin(); j != keys.end(); ++j) {
+                       if (j->cpl_id() == (*i)->id()) {
+                               (*i)->add_kdm (kdm);
+                       }                               
                }
        }
-
-       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
+DCP::add_assets_from (DCP const & ov)
 {
-       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;
+       copy (ov._asset_maps.begin(), ov._asset_maps.end(), back_inserter (_asset_maps));
 }