Change bitmap_path to take a full name with extension.
[dcpomatic.git] / src / wx / config_dialog.cc
index 957fd32dbd8e4754f6bc8eb32a9cac1b932e0573..ddf565180697185a6076ceab11899c12ab949565 100644 (file)
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2012-2019 Carl Hetherington <cth@carlh.net>
+    Copyright (C) 2012-2021 Carl Hetherington <cth@carlh.net>
 
     This file is part of DCP-o-matic.
 
 
 */
 
-#include "config_dialog.h"
-#include "static_text.h"
+
+#include "audio_mapping_view.h"
 #include "check_box.h"
-#include "nag_dialog.h"
+#include "config_dialog.h"
 #include "dcpomatic_button.h"
-#include "audio_mapping_view.h"
+#include "nag_dialog.h"
+#include "static_text.h"
+#include <dcp/file.h>
 #include <dcp/raw_convert.h>
-#include <iostream>
 
-using std::string;
-using std::vector;
-using std::pair;
+
+using std::function;
 using std::make_pair;
+using std::make_shared;
 using std::map;
+using std::pair;
+using std::shared_ptr;
+using std::string;
+using std::vector;
 using boost::bind;
 using boost::optional;
-using boost::shared_ptr;
-using boost::function;
 #if BOOST_VERSION >= 106100
 using namespace boost::placeholders;
 #endif
 
+
 static
 bool
 do_nothing ()
@@ -68,7 +72,7 @@ wxWindow*
 Page::create_window (wxWindow* parent)
 {
        _panel = new wxPanel (parent, wxID_ANY, wxDefaultPosition, _panel_size);
-       wxBoxSizer* s = new wxBoxSizer (wxVERTICAL);
+       auto s = new wxBoxSizer (wxVERTICAL);
        _panel->SetSizer (s);
 
        setup ();
@@ -115,29 +119,30 @@ GeneralPage::add_language_controls (wxGridBagSizer* table, int& r)
        _set_language = new CheckBox (_panel, _("Set language"));
        table->Add (_set_language, wxGBPosition (r, 0), wxDefaultSpan, wxALIGN_CENTER_VERTICAL);
        _language = new wxChoice (_panel, wxID_ANY);
-       vector<pair<string, string> > languages;
-       languages.push_back (make_pair ("Čeština", "cs_CZ"));
-       languages.push_back (make_pair ("汉语/漢語", "zh_CN"));
-       languages.push_back (make_pair ("Dansk", "da_DK"));
-       languages.push_back (make_pair ("Deutsch", "de_DE"));
-       languages.push_back (make_pair ("English", "en_GB"));
-       languages.push_back (make_pair ("Español", "es_ES"));
-       languages.push_back (make_pair ("Français", "fr_FR"));
-       languages.push_back (make_pair ("Italiano", "it_IT"));
-       languages.push_back (make_pair ("Nederlands", "nl_NL"));
-       languages.push_back (make_pair ("Русский", "ru_RU"));
-       languages.push_back (make_pair ("Polski", "pl_PL"));
-       languages.push_back (make_pair ("Português europeu", "pt_PT"));
-       languages.push_back (make_pair ("Português do Brasil", "pt_BR"));
-       languages.push_back (make_pair ("Svenska", "sv_SE"));
-       languages.push_back (make_pair ("Slovenský jazyk", "sk_SK"));
-       languages.push_back (make_pair ("Türkçe", "tr_TR"));
-       languages.push_back (make_pair ("українська мова", "uk_UA"));
+       vector<pair<string, string>> languages;
+       languages.push_back (make_pair("Čeština", "cs_CZ"));
+       languages.push_back (make_pair("汉语/漢語", "zh_CN"));
+       languages.push_back (make_pair("Dansk", "da_DK"));
+       languages.push_back (make_pair("Deutsch", "de_DE"));
+       languages.push_back (make_pair("English", "en_GB"));
+       languages.push_back (make_pair("Español", "es_ES"));
+       languages.push_back (make_pair("Français", "fr_FR"));
+       languages.push_back (make_pair("Italiano", "it_IT"));
+       languages.push_back (make_pair("Nederlands", "nl_NL"));
+       languages.push_back (make_pair("Русский", "ru_RU"));
+       languages.push_back (make_pair("Polski", "pl_PL"));
+       languages.push_back (make_pair("Português europeu", "pt_PT"));
+       languages.push_back (make_pair("Português do Brasil", "pt_BR"));
+       languages.push_back (make_pair("Svenska", "sv_SE"));
+       languages.push_back (make_pair("Slovenščina", "sl_SI"));
+       languages.push_back (make_pair("Slovenský jazyk", "sk_SK"));
+       // languages.push_back (make_pair("Türkçe", "tr_TR"));
+       languages.push_back (make_pair("українська мова", "uk_UA"));
        checked_set (_language, languages);
        table->Add (_language, wxGBPosition (r, 1));
        ++r;
 
-       wxStaticText* restart = add_label_to_sizer (
+       auto restart = add_label_to_sizer (
                table, _panel, _("(restart DCP-o-matic to see language changes)"), false, wxGBPosition (r, 0), wxGBSpan (1, 2)
                );
        wxFont font = restart->GetFont();
@@ -168,7 +173,7 @@ GeneralPage::add_update_controls (wxGridBagSizer* table, int& r)
 void
 GeneralPage::config_changed ()
 {
-       Config* config = Config::instance ();
+       auto config = Config::instance ();
 
        checked_set (_set_language, static_cast<bool>(config->language()));
 
@@ -189,8 +194,8 @@ GeneralPage::config_changed ()
        compat_map["cs"] = "cs_CZ";
        compat_map["uk"] = "uk_UA";
 
-       string lang = config->language().get_value_or ("en_GB");
-       if (compat_map.find (lang) != compat_map.end ()) {
+       auto lang = config->language().get_value_or("en_GB");
+       if (compat_map.find(lang) != compat_map.end ()) {
                lang = compat_map[lang];
        }
 
@@ -258,7 +263,7 @@ CertificateChainEditor::CertificateChainEditor (
 {
        _sizer = new wxBoxSizer (wxVERTICAL);
 
-       wxBoxSizer* certificates_sizer = new wxBoxSizer (wxHORIZONTAL);
+       auto certificates_sizer = new wxBoxSizer (wxHORIZONTAL);
        _sizer->Add (certificates_sizer, 0, wxALL, border);
 
        _certificates = new wxListCtrl (this, wxID_ANY, wxDefaultPosition, wxSize (440, 150), wxLC_REPORT | wxLC_SINGLE_SEL);
@@ -287,7 +292,7 @@ CertificateChainEditor::CertificateChainEditor (
        certificates_sizer->Add (_certificates, 1, wxEXPAND);
 
        {
-               wxSizer* s = new wxBoxSizer (wxVERTICAL);
+               auto s = new wxBoxSizer (wxVERTICAL);
                _add_certificate = new Button (this, _("Add..."));
                s->Add (_add_certificate, 1, wxTOP | wxBOTTOM | wxEXPAND, DCPOMATIC_BUTTON_STACK_GAP);
                _remove_certificate = new Button (this, _("Remove"));
@@ -299,7 +304,7 @@ CertificateChainEditor::CertificateChainEditor (
                certificates_sizer->Add (s, 0, wxLEFT, DCPOMATIC_SIZER_X_GAP);
        }
 
-       wxGridBagSizer* table = new wxGridBagSizer (DCPOMATIC_SIZER_X_GAP, DCPOMATIC_SIZER_Y_GAP);
+       auto table = new wxGridBagSizer (DCPOMATIC_SIZER_X_GAP, DCPOMATIC_SIZER_Y_GAP);
        _sizer->Add (table, 1, wxALL | wxEXPAND, border);
        int r = 0;
 
@@ -338,7 +343,7 @@ CertificateChainEditor::CertificateChainEditor (
        _import_private_key->Bind  (wxEVT_BUTTON,       bind (&CertificateChainEditor::import_private_key, this));
        _export_private_key->Bind  (wxEVT_BUTTON,       bind (&CertificateChainEditor::export_private_key, this));
 
-       wxSizer* buttons = CreateSeparatedButtonSizer (wxCLOSE);
+       auto buttons = CreateSeparatedButtonSizer (wxCLOSE);
        if (buttons) {
                _sizer->Add (buttons, wxSizerFlags().Expand().DoubleBorder());
        }
@@ -360,7 +365,7 @@ CertificateChainEditor::add_button (wxWindow* button)
 void
 CertificateChainEditor::add_certificate ()
 {
-       wxFileDialog* d = new wxFileDialog (this, _("Select Certificate File"));
+       auto d = new wxFileDialog (this, _("Select Certificate File"));
 
        if (d->ShowModal() == wxID_OK) {
                try {
@@ -381,7 +386,7 @@ CertificateChainEditor::add_certificate ()
                                          "Only the first certificate will be used.")
                                        );
                        }
-                       shared_ptr<dcp::CertificateChain> chain(new dcp::CertificateChain(*_get().get()));
+                       auto chain = make_shared<dcp::CertificateChain>(*_get().get());
                        chain->add (c);
                        if (!chain->chain_valid ()) {
                                error_dialog (
@@ -418,7 +423,7 @@ CertificateChainEditor::remove_certificate ()
        }
 
        _certificates->DeleteItem (i);
-       shared_ptr<dcp::CertificateChain> chain(new dcp::CertificateChain(*_get().get()));
+       auto chain = make_shared<dcp::CertificateChain>(*_get().get());
        chain->remove (i);
        _set (chain);
 
@@ -434,27 +439,39 @@ CertificateChainEditor::export_certificate ()
                return;
        }
 
-       wxFileDialog* d = new wxFileDialog (
-               this, _("Select Certificate File"), wxEmptyString, wxEmptyString, wxT ("PEM files (*.pem)|*.pem"),
+       auto all = _get()->root_to_leaf();
+
+       wxString default_name;
+       if (i == 0) {
+               default_name = "root.pem";
+       } else if (i == static_cast<int>(all.size() - 1)) {
+               default_name = "leaf.pem";
+       } else {
+               default_name = "intermediate.pem";
+       }
+
+       auto d = new wxFileDialog(
+               this, _("Select Certificate File"), wxEmptyString, default_name, wxT ("PEM files (*.pem)|*.pem"),
                wxFD_SAVE | wxFD_OVERWRITE_PROMPT
                );
 
-       dcp::CertificateChain::List all = _get()->root_to_leaf ();
-       dcp::CertificateChain::List::iterator j = all.begin ();
+       auto j = all.begin ();
        for (int k = 0; k < i; ++k) {
                ++j;
        }
 
        if (d->ShowModal () == wxID_OK) {
                boost::filesystem::path path (wx_to_std(d->GetPath()));
-               FILE* f = fopen_boost (path, "w");
+               if (path.extension() != ".pem") {
+                       path += ".pem";
+               }
+               dcp::File f(path, "w");
                if (!f) {
                        throw OpenFileError (path, errno, OpenFileError::WRITE);
                }
 
                string const s = j->certificate (true);
-               checked_fwrite (s.c_str(), s.length(), f, path);
-               fclose (f);
+               f.checked_write(s.c_str(), s.length());
        }
        d->Destroy ();
 }
@@ -462,21 +479,23 @@ CertificateChainEditor::export_certificate ()
 void
 CertificateChainEditor::export_chain ()
 {
-       wxFileDialog* d = new wxFileDialog (
-               this, _("Select Chain File"), wxEmptyString, wxEmptyString, wxT("PEM files (*.pem)|*.pem"),
+       auto d = new wxFileDialog (
+               this, _("Select Chain File"), wxEmptyString, wxT("certificate_chain.pem"), wxT("PEM files (*.pem)|*.pem"),
                wxFD_SAVE | wxFD_OVERWRITE_PROMPT
                );
 
        if (d->ShowModal () == wxID_OK) {
                boost::filesystem::path path (wx_to_std(d->GetPath()));
-               FILE* f = fopen_boost (path, "w");
+               if (path.extension() != ".pem") {
+                       path += ".pem";
+               }
+               dcp::File f(path, "w");
                if (!f) {
                        throw OpenFileError (path, errno, OpenFileError::WRITE);
                }
 
-               string const s = _get()->chain();
-               checked_fwrite (s.c_str(), s.length(), f, path);
-               fclose (f);
+               auto const s = _get()->chain();
+               f.checked_write (s.c_str(), s.length());
        }
 
        d->Destroy ();
@@ -487,8 +506,8 @@ CertificateChainEditor::update_certificate_list ()
 {
        _certificates->DeleteAllItems ();
        size_t n = 0;
-       dcp::CertificateChain::List certs = _get()->root_to_leaf ();
-       BOOST_FOREACH (dcp::Certificate const & i, certs) {
+       auto certs = _get()->root_to_leaf();
+       for (auto const& i: certs) {
                wxListItem item;
                item.SetId (n);
                _certificates->InsertItem (item);
@@ -519,63 +538,15 @@ CertificateChainEditor::update_certificate_list ()
 void
 CertificateChainEditor::remake_certificates ()
 {
-       shared_ptr<const dcp::CertificateChain> chain = _get();
-
-       string subject_organization_name;
-       string subject_organizational_unit_name;
-       string root_common_name;
-       string intermediate_common_name;
-       string leaf_common_name;
-
-       dcp::CertificateChain::List all = chain->root_to_leaf ();
-
-       if (all.size() >= 1) {
-               /* Have a root */
-               subject_organization_name = chain->root().subject_organization_name ();
-               subject_organizational_unit_name = chain->root().subject_organizational_unit_name ();
-               root_common_name = chain->root().subject_common_name ();
-       }
-
-       if (all.size() >= 2) {
-               /* Have a leaf */
-               leaf_common_name = chain->leaf().subject_common_name ();
-       }
-
-       if (all.size() >= 3) {
-               /* Have an intermediate */
-               dcp::CertificateChain::List::iterator i = all.begin ();
-               ++i;
-               intermediate_common_name = i->subject_common_name ();
-       }
-
        if (_nag_alter()) {
                /* Cancel was clicked */
                return;
        }
 
-       MakeChainDialog* d = new MakeChainDialog (
-               this,
-               subject_organization_name,
-               subject_organizational_unit_name,
-               root_common_name,
-               intermediate_common_name,
-               leaf_common_name
-               );
+       auto d = new MakeChainDialog (this, _get());
 
        if (d->ShowModal () == wxID_OK) {
-               _set (
-                       shared_ptr<dcp::CertificateChain> (
-                               new dcp::CertificateChain (
-                                       openssl_path (),
-                                       d->organisation (),
-                                       d->organisational_unit (),
-                                       d->root_common_name (),
-                                       d->intermediate_common_name (),
-                                       d->leaf_common_name ()
-                                       )
-                               )
-                       );
-
+               _set (d->get());
                update_certificate_list ();
                update_private_key ();
        }
@@ -587,8 +558,8 @@ void
 CertificateChainEditor::update_sensitivity ()
 {
        /* We can only remove the leaf certificate */
-       _remove_certificate->Enable (_certificates->GetNextItem (-1, wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED) == (_certificates->GetItemCount() - 1));
-       _export_certificate->Enable (_certificates->GetNextItem (-1, wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED) != -1);
+       _remove_certificate->Enable (_certificates->GetNextItem(-1, wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED) == (_certificates->GetItemCount() - 1));
+       _export_certificate->Enable (_certificates->GetNextItem(-1, wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED) != -1);
 }
 
 void
@@ -601,7 +572,7 @@ CertificateChainEditor::update_private_key ()
 void
 CertificateChainEditor::import_private_key ()
 {
-       wxFileDialog* d = new wxFileDialog (this, _("Select Key File"));
+       auto d = new wxFileDialog (this, _("Select Key File"));
 
        if (d->ShowModal() == wxID_OK) {
                try {
@@ -614,11 +585,11 @@ CertificateChainEditor::import_private_key ()
                                return;
                        }
 
-                       shared_ptr<dcp::CertificateChain> chain(new dcp::CertificateChain(*_get().get()));
+                       auto chain = make_shared<dcp::CertificateChain>(*_get().get());
                        chain->set_key (dcp::file_to_string (p));
                        _set (chain);
                        update_private_key ();
-               } catch (dcp::MiscError& e) {
+               } catch (std::exception& e) {
                        error_dialog (this, _("Could not read certificate file."), std_to_wx(e.what()));
                }
        }
@@ -631,26 +602,28 @@ CertificateChainEditor::import_private_key ()
 void
 CertificateChainEditor::export_private_key ()
 {
-       optional<string> key = _get()->key();
+       auto key = _get()->key();
        if (!key) {
                return;
        }
 
-       wxFileDialog* d = new wxFileDialog (
-               this, _("Select Key File"), wxEmptyString, wxEmptyString, wxT ("PEM files (*.pem)|*.pem"),
+       auto d = new wxFileDialog (
+               this, _("Select Key File"), wxEmptyString, wxT("private_key.pem"), wxT("PEM files (*.pem)|*.pem"),
                wxFD_SAVE | wxFD_OVERWRITE_PROMPT
                );
 
        if (d->ShowModal () == wxID_OK) {
                boost::filesystem::path path (wx_to_std(d->GetPath()));
-               FILE* f = fopen_boost (path, "w");
+               if (path.extension() != ".pem") {
+                       path += ".pem";
+               }
+               dcp::File f(path, "w");
                if (!f) {
                        throw OpenFileError (path, errno, OpenFileError::WRITE);
                }
 
-               string const s = _get()->key().get ();
-               checked_fwrite (s.c_str(), s.length(), f, path);
-               fclose (f);
+               auto const s = _get()->key().get ();
+               f.checked_write(s.c_str(), s.length());
        }
        d->Destroy ();
 }
@@ -667,26 +640,26 @@ KeysPage::setup ()
        wxFont subheading_font (*wxNORMAL_FONT);
        subheading_font.SetWeight (wxFONTWEIGHT_BOLD);
 
-       wxSizer* sizer = _panel->GetSizer();
+       auto sizer = _panel->GetSizer();
 
        {
-               wxStaticText* m = new StaticText (_panel, _("Decrypting KDMs"));
+               auto m = new StaticText (_panel, _("Decrypting KDMs"));
                m->SetFont (subheading_font);
-               sizer->Add (m, 0, wxALL, _border);
+               sizer->Add (m, 0, wxALL | wxEXPAND, _border);
        }
 
-       wxSizer* buttons = new wxBoxSizer (wxVERTICAL);
+       auto kdm_buttons = new wxBoxSizer (wxVERTICAL);
 
-       wxButton* export_decryption_certificate = new Button (_panel, _("Export KDM decryption certificate..."));
-       buttons->Add (export_decryption_certificate, 0, wxBOTTOM, DCPOMATIC_BUTTON_STACK_GAP);
-       wxButton* export_settings = new Button (_panel, _("Export all KDM decryption settings..."));
-       buttons->Add (export_settings, 0, wxBOTTOM, DCPOMATIC_BUTTON_STACK_GAP);
-       wxButton* import_settings = new Button (_panel, _("Import all KDM decryption settings..."));
-       buttons->Add (import_settings, 0, wxBOTTOM, DCPOMATIC_BUTTON_STACK_GAP);
-       wxButton* decryption_advanced = new Button (_panel, _("Advanced..."));
-       buttons->Add (decryption_advanced, 0);
+       auto export_decryption_certificate = new Button (_panel, _("Export KDM decryption leaf certificate..."));
+       kdm_buttons->Add (export_decryption_certificate, 0, wxBOTTOM, DCPOMATIC_BUTTON_STACK_GAP);
+       auto export_settings = new Button (_panel, _("Export all KDM decryption settings..."));
+       kdm_buttons->Add (export_settings, 0, wxBOTTOM, DCPOMATIC_BUTTON_STACK_GAP);
+       auto import_settings = new Button (_panel, _("Import all KDM decryption settings..."));
+       kdm_buttons->Add (import_settings, 0, wxBOTTOM, DCPOMATIC_BUTTON_STACK_GAP);
+       auto decryption_advanced = new Button (_panel, _("Advanced..."));
+       kdm_buttons->Add (decryption_advanced, 0);
 
-       sizer->Add (buttons, 0, wxLEFT, _border);
+       sizer->Add (kdm_buttons, 0, wxLEFT, _border);
 
        export_decryption_certificate->Bind (wxEVT_BUTTON, bind (&KeysPage::export_decryption_certificate, this));
        export_settings->Bind (wxEVT_BUTTON, bind (&KeysPage::export_decryption_chain_and_key, this));
@@ -694,24 +667,44 @@ KeysPage::setup ()
        decryption_advanced->Bind (wxEVT_BUTTON, bind (&KeysPage::decryption_advanced, this));
 
        {
-               wxStaticText* m = new StaticText (_panel, _("Signing DCPs and KDMs"));
+               auto m = new StaticText (_panel, _("Signing DCPs and KDMs"));
                m->SetFont (subheading_font);
-               sizer->Add (m, 0, wxALL, _border);
+               sizer->Add (m, 0, wxALL | wxEXPAND, _border);
        }
 
-       wxButton* signing_advanced = new Button (_panel, _("Advanced..."));
-       sizer->Add (signing_advanced, 0, wxLEFT | wxBOTTOM, _border);
+       auto signing_buttons = new wxBoxSizer (wxVERTICAL);
+
+       auto signing_advanced = new Button (_panel, _("Advanced..."));
+       signing_buttons->Add (signing_advanced, 0, wxBOTTOM, DCPOMATIC_BUTTON_STACK_GAP);
+       auto remake_signing = new Button (_panel, _("Re-make certificates and key..."));
+       signing_buttons->Add (remake_signing, 0, wxBOTTOM, DCPOMATIC_BUTTON_STACK_GAP);
+
+       sizer->Add (signing_buttons, 0, wxLEFT, _border);
+
        signing_advanced->Bind (wxEVT_BUTTON, bind (&KeysPage::signing_advanced, this));
+       remake_signing->Bind (wxEVT_BUTTON, bind(&KeysPage::remake_signing, this));
 }
 
+
+void
+KeysPage::remake_signing ()
+{
+       auto d = new MakeChainDialog (_panel, Config::instance()->signer_chain());
+
+       if (d->ShowModal () == wxID_OK) {
+               Config::instance()->set_signer_chain(d->get());
+       }
+}
+
+
 void
 KeysPage::decryption_advanced ()
 {
-       CertificateChainEditor* c = new CertificateChainEditor (
+       auto c = new CertificateChainEditor (
                _panel, _("Decrypting KDMs"), _border,
-               bind (&Config::set_decryption_chain, Config::instance (), _1),
-               bind (&Config::decryption_chain, Config::instance ()),
-               bind (&KeysPage::nag_alter_decryption_chain, this)
+               bind(&Config::set_decryption_chain, Config::instance(), _1),
+               bind(&Config::decryption_chain, Config::instance()),
+               bind(&KeysPage::nag_alter_decryption_chain, this)
                );
 
        c->ShowModal();
@@ -720,11 +713,11 @@ KeysPage::decryption_advanced ()
 void
 KeysPage::signing_advanced ()
 {
-       CertificateChainEditor* c = new CertificateChainEditor (
+       auto c = new CertificateChainEditor (
                _panel, _("Signing DCPs and KDMs"), _border,
-               bind (&Config::set_signer_chain, Config::instance (), _1),
-               bind (&Config::signer_chain, Config::instance ()),
-               bind (&do_nothing)
+               bind(&Config::set_signer_chain, Config::instance(), _1),
+               bind(&Config::signer_chain, Config::instance()),
+               bind(&do_nothing)
                );
 
        c->ShowModal();
@@ -733,24 +726,23 @@ KeysPage::signing_advanced ()
 void
 KeysPage::export_decryption_chain_and_key ()
 {
-       wxFileDialog* d = new wxFileDialog (
+       auto d = new wxFileDialog (
                _panel, _("Select Export File"), wxEmptyString, wxEmptyString, wxT ("DOM files (*.dom)|*.dom"),
                wxFD_SAVE | wxFD_OVERWRITE_PROMPT
                );
 
        if (d->ShowModal () == wxID_OK) {
                boost::filesystem::path path (wx_to_std(d->GetPath()));
-               FILE* f = fopen_boost (path, "w");
+               dcp::File f(path, "w");
                if (!f) {
                        throw OpenFileError (path, errno, OpenFileError::WRITE);
                }
 
-               string const chain = Config::instance()->decryption_chain()->chain();
-               checked_fwrite (chain.c_str(), chain.length(), f, path);
-               optional<string> const key = Config::instance()->decryption_chain()->key();
+               auto const chain = Config::instance()->decryption_chain()->chain();
+               f.checked_write (chain.c_str(), chain.length());
+               auto const key = Config::instance()->decryption_chain()->key();
                DCPOMATIC_ASSERT (key);
-               checked_fwrite (key->c_str(), key->length(), f, path);
-               fclose (f);
+               f.checked_write(key->c_str(), key->length());
        }
        d->Destroy ();
 
@@ -768,22 +760,22 @@ KeysPage::import_decryption_chain_and_key ()
                return;
        }
 
-       wxFileDialog* d = new wxFileDialog (
+       auto d = new wxFileDialog (
                _panel, _("Select File To Import"), wxEmptyString, wxEmptyString, wxT ("DOM files (*.dom)|*.dom")
                );
 
        if (d->ShowModal () == wxID_OK) {
-               shared_ptr<dcp::CertificateChain> new_chain(new dcp::CertificateChain());
+               auto new_chain = make_shared<dcp::CertificateChain>();
 
-               FILE* f = fopen_boost (wx_to_std (d->GetPath ()), "r");
+               dcp::File f(wx_to_std(d->GetPath()), "r");
                if (!f) {
-                       throw OpenFileError (wx_to_std (d->GetPath ()), errno, OpenFileError::WRITE);
+                       throw OpenFileError (f.path(), errno, OpenFileError::WRITE);
                }
 
                string current;
-               while (!feof (f)) {
+               while (!f.eof()) {
                        char buffer[128];
-                       if (fgets (buffer, 128, f) == 0) {
+                       if (f.gets(buffer, 128) == 0) {
                                break;
                        }
                        current += buffer;
@@ -795,7 +787,6 @@ KeysPage::import_decryption_chain_and_key ()
                                current = "";
                        }
                }
-               fclose (f);
 
                if (new_chain->chain_valid() && new_chain->private_key_valid()) {
                        Config::instance()->set_decryption_chain (new_chain);
@@ -820,21 +811,33 @@ KeysPage::nag_alter_decryption_chain ()
 void
 KeysPage::export_decryption_certificate ()
 {
-       wxFileDialog* d = new wxFileDialog (
-               _panel, _("Select Certificate File"), wxEmptyString, _("dcpomatic_kdm_decryption_cert.pem"), wxT ("PEM files (*.pem)|*.pem"),
+       auto config = Config::instance();
+       wxString default_name = "dcpomatic";
+       if (!config->dcp_creator().empty()) {
+               default_name += "_" + std_to_wx(careful_string_filter(config->dcp_creator()));
+       }
+       if (!config->dcp_issuer().empty()) {
+               default_name += "_" + std_to_wx(careful_string_filter(config->dcp_issuer()));
+       }
+       default_name += wxT("_kdm_decryption_cert.pem");
+
+       auto d = new wxFileDialog (
+               _panel, _("Select Certificate File"), wxEmptyString, default_name, wxT("PEM files (*.pem)|*.pem"),
                wxFD_SAVE | wxFD_OVERWRITE_PROMPT
                );
 
        if (d->ShowModal () == wxID_OK) {
                boost::filesystem::path path (wx_to_std(d->GetPath()));
-               FILE* f = fopen_boost (path, "w");
+               if (path.extension() != ".pem") {
+                       path += ".pem";
+               }
+               dcp::File f(path, "w");
                if (!f) {
                        throw OpenFileError (path, errno, OpenFileError::WRITE);
                }
 
-               string const s = Config::instance()->decryption_chain()->leaf().certificate (true);
-               checked_fwrite (s.c_str(), s.length(), f, path);
-               fclose (f);
+               auto const s = Config::instance()->decryption_chain()->leaf().certificate (true);
+               f.checked_write(s.c_str(), s.length());
        }
 
        d->Destroy ();
@@ -849,7 +852,7 @@ SoundPage::GetName () const
 void
 SoundPage::setup ()
 {
-       wxGridBagSizer* table = new wxGridBagSizer (DCPOMATIC_SIZER_X_GAP, DCPOMATIC_SIZER_Y_GAP);
+       auto table = new wxGridBagSizer (DCPOMATIC_SIZER_X_GAP, DCPOMATIC_SIZER_Y_GAP);
        _panel->GetSizer()->Add (table, 1, wxALL | wxEXPAND, _border);
 
        int r = 0;
@@ -866,7 +869,7 @@ SoundPage::setup ()
 
        add_label_to_sizer (table, _panel, _("Mapping"), true, wxGBPosition(r, 0));
        _map = new AudioMappingView (_panel, _("DCP"), _("DCP"), _("Output"), _("output"));
-       _map->SetSize (-1, 600);
+       _map->SetSize (-1, 400);
        table->Add (_map, wxGBPosition(r, 1), wxDefaultSpan, wxEXPAND);
        ++r;
 
@@ -882,7 +885,7 @@ SoundPage::setup ()
        RtAudio audio (DCPOMATIC_RTAUDIO_API);
        for (unsigned int i = 0; i < audio.getDeviceCount(); ++i) {
                try {
-                       RtAudio::DeviceInfo dev = audio.getDeviceInfo (i);
+                       auto dev = audio.getDeviceInfo (i);
                        if (dev.probed && dev.outputChannels > 0) {
                                _sound_output->Append (std_to_wx (dev.name));
                        }
@@ -919,7 +922,7 @@ void
 SoundPage::sound_output_changed ()
 {
        RtAudio audio (DCPOMATIC_RTAUDIO_API);
-       optional<string> const so = get_sound_output();
+       auto const so = get_sound_output();
        string default_device;
        try {
                default_device = audio.getDeviceInfo(audio.getDefaultOutputDevice()).name;
@@ -936,11 +939,11 @@ SoundPage::sound_output_changed ()
 void
 SoundPage::config_changed ()
 {
-       Config* config = Config::instance ();
+       auto config = Config::instance ();
 
        checked_set (_sound, config->sound ());
 
-       optional<string> const current_so = get_sound_output ();
+       auto const current_so = get_sound_output ();
        optional<string> configured_so;
 
        if (config->sound_output()) {
@@ -984,7 +987,7 @@ SoundPage::config_changed ()
        if (configured_so) {
                for (unsigned int i = 0; i < audio.getDeviceCount(); ++i) {
                        try {
-                               RtAudio::DeviceInfo info = audio.getDeviceInfo(i);
+                               auto info = audio.getDeviceInfo(i);
                                if (info.name == *configured_so && info.outputChannels > 0) {
                                        channels = info.outputChannels;
                                }
@@ -1050,7 +1053,7 @@ LocationsPage::GetName () const
 wxBitmap
 LocationsPage::GetLargeIcon () const
 {
-       return wxBitmap ("locations", wxBITMAP_TYPE_PNG_RESOURCE);
+       return wxBitmap(bitmap_path("locations.png"), wxBITMAP_TYPE_PNG);
 }
 #endif
 
@@ -1059,7 +1062,7 @@ LocationsPage::setup ()
 {
        int r = 0;
 
-       wxGridBagSizer* table = new wxGridBagSizer (DCPOMATIC_SIZER_X_GAP, DCPOMATIC_SIZER_Y_GAP);
+       auto table = new wxGridBagSizer (DCPOMATIC_SIZER_X_GAP, DCPOMATIC_SIZER_Y_GAP);
        _panel->GetSizer()->Add (table, 1, wxALL | wxEXPAND, _border);
 
        add_label_to_sizer (table, _panel, _("Content directory"), true, wxGBPosition (r, 0));
@@ -1077,25 +1080,15 @@ LocationsPage::setup ()
        table->Add (_kdm_directory, wxGBPosition (r, 1));
        ++r;
 
-#ifdef DCPOMATIC_VARIANT_SWAROOP
-       add_label_to_sizer (table, _panel, _("Background image"), true, wxGBPosition (r, 0));
-       _background_image = new FilePickerCtrl (_panel, _("Select image file"), "*.png;*.jpg;*.jpeg;*.tif;*.tiff", true, false);
-       table->Add (_background_image, wxGBPosition (r, 1));
-       ++r;
-#endif
-
        _content_directory->Bind (wxEVT_DIRPICKER_CHANGED, bind(&LocationsPage::content_directory_changed, this));
        _playlist_directory->Bind (wxEVT_DIRPICKER_CHANGED, bind(&LocationsPage::playlist_directory_changed, this));
        _kdm_directory->Bind (wxEVT_DIRPICKER_CHANGED, bind(&LocationsPage::kdm_directory_changed, this));
-#ifdef DCPOMATIC_VARIANT_SWAROOP
-       _background_image->Bind (wxEVT_FILEPICKER_CHANGED, bind(&LocationsPage::background_image_changed, this));
-#endif
 }
 
 void
 LocationsPage::config_changed ()
 {
-       Config* config = Config::instance ();
+       auto config = Config::instance ();
 
        if (config->player_content_directory()) {
                checked_set (_content_directory, *config->player_content_directory());
@@ -1106,11 +1099,6 @@ LocationsPage::config_changed ()
        if (config->player_kdm_directory()) {
                checked_set (_kdm_directory, *config->player_kdm_directory());
        }
-#ifdef DCPOMATIC_VARIANT_SWAROOP
-       if (config->player_background_image()) {
-               checked_set (_background_image, *config->player_background_image());
-       }
-#endif
 }
 
 void
@@ -1130,20 +1118,3 @@ LocationsPage::kdm_directory_changed ()
 {
        Config::instance()->set_player_kdm_directory(wx_to_std(_kdm_directory->GetPath()));
 }
-
-#ifdef DCPOMATIC_VARIANT_SWAROOP
-void
-LocationsPage::background_image_changed ()
-{
-       boost::filesystem::path const f = wx_to_std(_background_image->GetPath());
-       if (!boost::filesystem::is_regular_file(f) || !wxImage::CanRead(std_to_wx(f.string()))) {
-               error_dialog (0, _("Could not load image file."));
-               if (Config::instance()->player_background_image()) {
-                       checked_set (_background_image, *Config::instance()->player_background_image());
-               }
-               return;
-       }
-
-       Config::instance()->set_player_background_image(f);
-}
-#endif