preparatory changes for #7090 with printing

8 files changed, 261 insertions, 8 deletions

diff --git a/README b/README
index ba33176..116af05 100644
--- a/README
+++ b/README
@@ -16,12 +16,13 @@ libjansson   : MIT License
 libgcrypt    : LGPL
 postgresql   : PostgreSQL License
 libmicrohttpd: LGPLv3+
-libgnunet*   : GPLv3+,
-libgnunetgtk : GPLv3+,
+libgnunet*   : GPLv3+
+libgnunetgtk : GPLv3+
 libtaler*    : GPLv3+
 libanastasis*: GPLv3+
 libgtk3      : LGPLv2+
 libgladeui   : GPLv2+
+libhpdf      : ZLIB/LIBPNG license (optional)
 
 
 Installation
diff --git a/configure.ac b/configure.ac
index faa8f4c..dc37019 100644
--- a/configure.ac
+++ b/configure.ac
@@ -255,6 +255,41 @@ AC_SUBST(QR_CFLAGS)
 AC_SUBST(QR_LIBS)
 
 
+
+
+# test for libhpdf / libharu
+haru=0
+HPDF_LIBS="-lhpdf"
+AC_MSG_CHECKING(for libharu)
+AC_ARG_WITH(haru,
+   [  --with-haru=PFX    Base of libhpdf installation],
+   [AC_MSG_RESULT([$with_haru])
+    AS_CASE([$with_haru],
+      [no],[],
+      [yes],[
+        AC_CHECK_HEADERS(hpdf.h,[haru=1])
+      ],
+      [
+        CPPFLAGS="-I$with_haru/include $CPPFLAGS"
+        HPDF_CFLAGS="-I$with_haru/include"
+        HPDF_LIBS="-L$with_haru/lib -lhpdf"
+        AC_CHECK_HEADERS(hpdf.h,[haru=1])
+      ])
+   ],
+   [AC_MSG_RESULT([--with-haru not specified])
+    AC_CHECK_HEADERS(hpdf.h,[haru=1])])
+
+AS_IF([test "$haru" != 1],
+ [AC_MSG_RESULT([libharu not found, PDF support disabled])])
+
+AC_DEFINE_UNQUOTED([HAVE_LIBHPDF],[$haru],[1 if libhpdf is enabled, 0 otherwise])
+AM_CONDITIONAL([HPDF_ENABLED], [test "$haru" = "1"])
+
+AC_SUBST(HPDF_CFLAGS)
+AC_SUBST(HPDF_LIBS)
+
+
+
 # test for libanastasis
 anastasis=0
 AC_MSG_CHECKING(for libanastasis)
diff --git a/contrib/Makefile.am b/contrib/Makefile.am
index 461472d..a676b77 100644
--- a/contrib/Makefile.am
+++ b/contrib/Makefile.am
@@ -50,4 +50,5 @@ pkgdata_DATA = \
   anastasis_gtk_policy_template.glade \
   anastasis_gtk_save_file_dialog.glade \
   anastasis_gtk_save_secret_dialog.glade \
+  anastasis_gtk_user_sure.glade \
   anastasis_gtk_warn_multifactor.glade
diff --git a/po/POTFILES.in b/po/POTFILES.in
index 15bc9b4..6dc3f25 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -1,5 +1,6 @@
 src/anastasis/anastasis-gtk_action.c
 src/anastasis/anastasis-gtk_attributes.c
+src/anastasis/anastasis-gtk_autocomplete.c
 src/anastasis/anastasis-gtk_backup.c
 src/anastasis/anastasis-gtk.c
 src/anastasis/anastasis-gtk_dispatch.c
@@ -9,7 +10,6 @@ src/anastasis/anastasis-gtk_handle-backup-button-clicked.c
 src/anastasis/anastasis-gtk_handle-challenge-code.c
 src/anastasis/anastasis-gtk_handle-challenge-iban.c
 src/anastasis/anastasis-gtk_handle-challenge-question.c
-src/anastasis/anastasis-gtk_handle-challenge-row-activated.c
 src/anastasis/anastasis-gtk_handle-challenge-totp.c
 src/anastasis/anastasis-gtk_handle-clear-secret-clicked.c
 src/anastasis/anastasis-gtk_handle-continent-selected.c
@@ -29,11 +29,13 @@ src/anastasis/anastasis-gtk_handle-method-question.c
 src/anastasis/anastasis-gtk_handle-method-sms.c
 src/anastasis/anastasis-gtk_handle-method-totp.c
 src/anastasis/anastasis-gtk_handle-method-video.c
+src/anastasis/anastasis-gtk_handle-noprint.c
 src/anastasis/anastasis-gtk_handle-payqr-selection-changed.c
 src/anastasis/anastasis-gtk_handle-policy-activate.c
 src/anastasis/anastasis-gtk_handle-policy-button.c
 src/anastasis/anastasis-gtk_handle-policy-meta.c
 src/anastasis/anastasis-gtk_handle-policy-version-changed.c
+src/anastasis/anastasis-gtk_handle-print.c
 src/anastasis/anastasis-gtk_handle-recovery-button-clicked.c
 src/anastasis/anastasis-gtk_handle-secret-buttons.c
 src/anastasis/anastasis-gtk_helper.c
@@ -55,13 +57,17 @@ contrib/anastasis_gtk_auth_add_video.glade
 contrib/anastasis_gtk_challenge_code.glade
 contrib/anastasis_gtk_challenge_iban.glade
 contrib/anastasis_gtk_challenge_question.glade
+contrib/anastasis_gtk_challenge_template.glade
 contrib/anastasis_gtk_challenge_totp.glade
+contrib/anastasis_gtk_deny_singlefactor.glade
 contrib/anastasis_gtk_edit_policy.glade
 contrib/anastasis_gtk_edit_providers.glade
 contrib/anastasis_gtk_main_window.glade
 contrib/anastasis_gtk_open_file_dialog.glade
 contrib/anastasis_gtk_open_secret_dialog.glade
+contrib/anastasis_gtk_policy_template.glade
 contrib/anastasis_gtk_save_file_dialog.glade
 contrib/anastasis_gtk_save_secret_dialog.glade
+contrib/anastasis_gtk_user_sure.glade
 contrib/anastasis_gtk_warn_multifactor.glade
 contrib/this_stays_private.glade
diff --git a/src/anastasis/Makefile.am b/src/anastasis/Makefile.am
index 1e80236..110682c 100644
--- a/src/anastasis/Makefile.am
+++ b/src/anastasis/Makefile.am
@@ -35,8 +35,6 @@ anastasis_gtk_SOURCES = \
     anastasis-gtk_handle-expiration-change.h \
   anastasis-gtk_handle-identity-changed.c \
     anastasis-gtk_handle-identity-changed.h \
-  anastasis-gtk_handle-recovery-button-clicked.c \
-  anastasis-gtk_handle-secret-buttons.c \
   anastasis-gtk_handle-main-window-forward-clicked.c \
   anastasis-gtk_handle-main-window-forward-clicked.h \
   anastasis-gtk_handle-main-window-back-clicked.c \
@@ -51,6 +49,8 @@ anastasis_gtk_SOURCES = \
   anastasis-gtk_handle-policy-button.c \
   anastasis-gtk_handle-policy-meta.c \
   anastasis-gtk_handle-policy-version-changed.c \
+  anastasis-gtk_handle-recovery-button-clicked.c \
+  anastasis-gtk_handle-secret-buttons.c \
   anastasis-gtk_helper.c  anastasis-gtk_helper.h \
   anastasis-gtk_pe.h \
   anastasis-gtk_pe-add-policy.c \
@@ -60,6 +60,14 @@ anastasis_gtk_SOURCES = \
   anastasis-gtk_progress.c anastasis-gtk_progress.h \
   os_installation.c
 
+if HPDF_ENABLED
+anastasis_gtk_SOURCES += \
+  anastasis-gtk_handle-print.c
+else
+anastasis_gtk_SOURCES += \
+  anastasis-gtk_handle-noprint.c
+endif
+
 anastasis_gtk_LDADD = \
   @GTK_LIBS@ \
   @GLADE_LIBS@ @GNUNET_LIBS@ \
@@ -82,3 +90,10 @@ anastasis_gtk_CFLAGS = \
   @QR_CFLAGS@
 anastasis_gtk_LDFLAGS = \
   -export-dynamic
+
+if HPDF_ENABLED
+anastasis_gtk_LDADD += \
+  $(HPDF_LIBS)
+anastasis_gtk_CFLAGS += \
+  $(HPDF_CFLAGS)
+endif
diff --git a/src/anastasis/anastasis-gtk_handle-main-window-forward-clicked.c b/src/anastasis/anastasis-gtk_handle-main-window-forward-clicked.c
index ee1be10..0e3c238 100644
--- a/src/anastasis/anastasis-gtk_handle-main-window-forward-clicked.c
+++ b/src/anastasis/anastasis-gtk_handle-main-window-forward-clicked.c
@@ -120,12 +120,16 @@ forward_country_selecting (void)
 }
 
 
-void
-AG_forward_user_attributes_collecting (void)
+/**
+ * The user has entered their personal attributes and
+ * confirmed they are correct. Move to the next state.
+ * Note that #AG_freeze() was already called.
+ */
+static void
+confirm_attributes (void)
 {
   json_t *args;
 
-  AG_freeze ();
   args = AG_collect_attributes (false);
   GNUNET_assert (NULL != args);
   AG_ra = ANASTASIS_redux_action (AG_redux_state,
@@ -138,6 +142,103 @@ AG_forward_user_attributes_collecting (void)
 
 
 /**
+ * Function called with the result of asking the user
+ * if they are sure about the personal details they
+ * entered.
+ *
+ * @param the dialog
+ * @param response_id must be GTK_RESPONSE_OK to proceed
+ * @param user_data the builder
+ */
+void
+anastasis_gtk_user_sure_dialog_response_cb (
+  GtkDialog *dialog,
+  gint response_id,
+  gpointer user_data)
+{
+  GtkBuilder *builder = user_data;
+
+  gtk_widget_destroy (GTK_WIDGET (dialog));
+  g_object_unref (G_OBJECT (builder));
+  if (GTK_RESPONSE_OK != response_id)
+  {
+    AG_thaw ();
+    return;
+  }
+  confirm_attributes ();
+}
+
+
+/**
+ * Launch dialog to question certainty of user providing
+ * personal details during backup.
+ */
+static void
+question_certainty (void)
+{
+  GtkBuilder *builder;
+  GtkDialog *ad;
+
+  builder = GNUNET_GTK_get_new_builder (
+    "anastasis_gtk_user_sure.glade",
+    NULL);
+  if (NULL == builder)
+  {
+    GNUNET_break (0);
+    return;
+  }
+  ad = GTK_DIALOG (gtk_builder_get_object (builder,
+                                           "anastasis_gtk_user_sure_dialog"));
+  if (NULL == ad)
+  {
+    GNUNET_break (0);
+    g_object_unref (G_OBJECT (builder));
+    return;
+  }
+  /* show dialog */
+  {
+    GtkWidget *toplevel;
+    GtkWidget *widget;
+
+#if ! HPDF_ENABLED
+    gtk_widget_hide (
+      GTK_WIDGET (
+        gtk_builder_get_object (
+          builder,
+          "anastasis_gtk_print_details_button")));
+#endif
+    widget = GTK_WIDGET (GCG_get_main_window_object (
+                           "anastasis_gtk_auth_button_grid"));
+    toplevel = gtk_widget_get_toplevel (widget);
+    gtk_window_set_transient_for (GTK_WINDOW (ad),
+                                  GTK_WINDOW (toplevel));
+    gtk_window_present (GTK_WINDOW (ad));
+  }
+}
+
+
+/**
+ * The user clicked the 'next' button in the dialog where they enter
+ * their personal attributes. If we are in the backup process, make
+ * them first confirm that the attributes are correct and well-known
+ * to them. Otherwise, simply directly proceed.
+ */
+void
+AG_forward_user_attributes_collecting (void)
+{
+  bool in_backup;
+
+  AG_freeze ();
+  in_backup = (NULL != json_object_get (AG_redux_state,
+                                        "backup_state"));
+  if (in_backup)
+    question_certainty ();
+  else
+    confirm_attributes ();
+}
+
+
+/**
  * Function called with the result of questioning the user
  * if they really want to proceed with less than three
  * authentication factors.
diff --git a/src/anastasis/anastasis-gtk_handle-noprint.c b/src/anastasis/anastasis-gtk_handle-noprint.c
new file mode 100644
index 0000000..ef9e081
--- /dev/null
+++ b/src/anastasis/anastasis-gtk_handle-noprint.c
@@ -0,0 +1,47 @@
+/*
+     This file is part of anastasis-gtk.
+     Copyright (C) 2020 Anastasis SARL
+
+     Anastasis is free software; you can redistribute it and/or modify
+     it under the terms of the GNU General Public License as published
+     by the Free Software Foundation; either version 3, or (at your
+     option) any later version.
+
+     Anastasis is distributed in the hope that it will be useful, but
+     WITHOUT ANY WARRANTY; without even the implied warranty of
+     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+     General Public License for more details.
+
+     You should have received a copy of the GNU General Public License
+     along with Anastasis; see the file COPYING.  If not, write to the
+     Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+     Boston, MA 02110-1301, USA.
+*/
+
+/**
+ * @file src/anastasis/anastasis-gtk_noprint.c
+ * @brief Implementation of the "print" button, if we cannot use it
+ * @author Christian Grothoff
+ */
+#include <gnunet/platform.h>
+#include <gnunet/gnunet_util_lib.h>
+#include "anastasis-gtk_helper.h"
+#include <jansson.h>
+#include <gdk-pixbuf/gdk-pixbuf.h>
+
+
+/**
+ * The user clicked the 'print' button to print their personal
+ * details. Try to print them.
+ *
+ * @param button the print button
+ * @param user_data the builder for the dialog
+ */
+void
+anastasis_gtk_print_details_button_clicked_cb (GtkButton *button,
+                                               gpointer user_data)
+{
+  (void) button;
+  (void) user_data;
+  GNUNET_break (0); /* button should have been disabled */
+}
diff --git a/src/anastasis/anastasis-gtk_handle-print.c b/src/anastasis/anastasis-gtk_handle-print.c
new file mode 100644
index 0000000..5b72c39
--- /dev/null
+++ b/src/anastasis/anastasis-gtk_handle-print.c
@@ -0,0 +1,47 @@
+/*
+     This file is part of anastasis-gtk.
+     Copyright (C) 2021 Anastasis SARL
+
+     Anastasis is free software; you can redistribute it and/or modify
+     it under the terms of the GNU General Public License as published
+     by the Free Software Foundation; either version 3, or (at your
+     option) any later version.
+
+     Anastasis is distributed in the hope that it will be useful, but
+     WITHOUT ANY WARRANTY; without even the implied warranty of
+     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+     General Public License for more details.
+
+     You should have received a copy of the GNU General Public License
+     along with Anastasis; see the file COPYING.  If not, write to the
+     Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+     Boston, MA 02110-1301, USA.
+*/
+
+/**
+ * @file src/anastasis/anastasis-gtk_print.c
+ * @brief Implementation of the "print" button
+ * @author Christian Grothoff
+ */
+#include <gnunet/platform.h>
+#include <gnunet/gnunet_util_lib.h>
+#include "anastasis-gtk_helper.h"
+#include <jansson.h>
+#include <gdk-pixbuf/gdk-pixbuf.h>
+
+
+/**
+ * The user clicked the 'print' button to print their personal
+ * details. Try to print them.
+ *
+ * @param button the print button
+ * @param user_data the builder for the dialog
+ */
+void
+anastasis_gtk_print_details_button_clicked_cb (GtkButton *button,
+                                               gpointer user_data)
+{
+  (void) button;
+  (void) user_data;
+  GNUNET_break (0);
+}