implement RFE 3545, 'Support to view encrypted (password protected) PDF'

[claws.git] / src / plugins / pdf_viewer / poppler_viewer.c

diff --git a/src/plugins/pdf_viewer/poppler_viewer.c b/src/plugins/pdf_viewer/poppler_viewer.c
index 3c782aceacb6dbc40a06cf58c6da7f63760ad0ec..eee0cb69c1c4f27e19a9519321bbe9df543b173e 100644 (file)
--- a/src/plugins/pdf_viewer/poppler_viewer.c
+++ b/src/plugins/pdf_viewer/poppler_viewer.c
@@ -31,6 +31,7 @@
 #include "printing.h"
 #include "prefs_common.h"
 #include "gtk/gtkutils.h"
+#include "gtk/inputdialog.h"
 #include "mimeview.h"
 #ifndef POPPLER_WITH_GDK
 #include "stdbool.h"
@@ -1242,6 +1243,7 @@ static void pdf_viewer_update(MimeViewer *_viewer, gboolean reload_file, int pag
        GError *error = NULL;
        gchar *tmpfile = NULL;
        gchar *tmp;
+       gchar *password = NULL;
 
        debug_print("pdf_viewer_update\n");
 
@@ -1322,6 +1324,14 @@ static void pdf_viewer_update(MimeViewer *_viewer, gboolean reload_file, int pag
                else {
                        viewer->pdf_doc = poppler_document_new_from_file( viewer->fsname, NULL, &error);
                }
+               if (error && g_error_matches(error, POPPLER_ERROR, POPPLER_ERROR_ENCRYPTED)) {
+                       g_clear_error(&error);
+                       password = input_dialog_with_invisible(_("Enter password"),
+                                       _("This document is locked and requires a password before it can be opened."),
+                                       "");
+                       viewer->pdf_doc = poppler_document_new_from_file(viewer->fsname, password, &error);
+                       g_free(password);
+               }
 
                viewer->num_pages = poppler_document_get_n_pages(viewer->pdf_doc);