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#include "gl-app.h"
#include <string.h>
#include <stdio.h>
#ifndef PATH_MAX
#define PATH_MAX 2048
#endif
#include "mupdf/helpers/pkcs7-check.h"
#include "mupdf/helpers/pkcs7-openssl.h"
static char cert_filename[PATH_MAX];
static struct input cert_password;
static void do_sign(void)
{
#ifdef HAVE_LIBCRYPTO
pdf_pkcs7_signer *signer = NULL;
fz_var(signer);
fz_try(ctx)
{
signer = pkcs7_openssl_read_pfx(ctx, cert_filename, cert_password.text);
pdf_sign_signature(ctx, pdf, selected_annot, signer);
ui_show_warning_dialog("Signed document successfully.");
}
fz_always(ctx)
{
if (signer)
signer->drop(signer);
}
fz_catch(ctx)
ui_show_warning_dialog("%s", fz_caught_message(ctx));
if (pdf_update_page(ctx, selected_annot->page))
render_page();
#else
ui_show_warning_dialog("Document not signed as no LIBCRYPTO.");
#endif
}
static void cert_password_dialog(void)
{
int is;
ui_dialog_begin(400, (ui.gridsize+4)*3);
{
ui_layout(T, X, NW, 2, 2);
ui_label("Password:");
is = ui_input(&cert_password, 200, 1);
ui_layout(B, X, NW, 2, 2);
ui_panel_begin(0, ui.gridsize, 0, 0, 0);
{
ui_layout(R, NONE, S, 0, 0);
if (ui_button("Cancel"))
ui.dialog = NULL;
ui_spacer();
if (ui_button("Okay") || is == UI_INPUT_ACCEPT)
{
ui.dialog = NULL;
do_sign();
}
}
ui_panel_end();
}
ui_dialog_end();
}
static int cert_file_filter(const char *fn)
{
return !!strstr(fn, ".pfx");
}
static void cert_file_dialog(void)
{
if (ui_open_file(cert_filename))
{
if (cert_filename[0] != 0)
{
ui_input_init(&cert_password, "");
ui.focus = &cert_password;
ui.dialog = cert_password_dialog;
}
else
ui.dialog = NULL;
}
}
void do_widget_panel(void)
{
int ff, type;
char *value;
ff = pdf_get_field_flags(ctx, selected_annot->page->doc, selected_annot->obj);
type = pdf_field_type(ctx, selected_annot->page->doc, selected_annot->obj);
if (type == PDF_WIDGET_TYPE_TEXT)
{
static pdf_annot *last_annot = NULL;
static struct input input;
ui_label("Value:");
if (selected_annot != last_annot)
{
last_annot = selected_annot;
value = pdf_field_value(ctx, selected_annot->page->doc, selected_annot->obj);
ui_input_init(&input, value);
fz_free(ctx, value);
}
if (ui_input(&input, 0, (ff & Ff_Multiline) ? 5 : 1) >= UI_INPUT_EDIT)
{
pdf_field_set_value(ctx, selected_annot->page->doc, selected_annot->obj, input.text);
if (pdf_update_page(ctx, selected_annot->page))
render_page();
}
}
else if (type == PDF_WIDGET_TYPE_COMBOBOX || type == PDF_WIDGET_TYPE_LISTBOX)
{
const char **options;
int n, choice;
ui_label("Value:");
n = pdf_choice_widget_options(ctx, selected_annot->page->doc, selected_annot, 0, NULL);
options = fz_malloc_array(ctx, n, sizeof(char*));
pdf_choice_widget_options(ctx, selected_annot->page->doc, selected_annot, 0, options);
value = pdf_field_value(ctx, selected_annot->page->doc, selected_annot->obj);
choice = ui_select("Widget/Ch", value, options, n);
if (choice >= 0)
{
pdf_field_set_value(ctx, selected_annot->page->doc, selected_annot->obj, options[choice]);
if (pdf_update_page(ctx, selected_annot->page))
render_page();
}
fz_free(ctx, value);
fz_free(ctx, options);
}
else if (type == PDF_WIDGET_TYPE_SIGNATURE)
{
if (ui_button("Verify"))
{
char status[100];
int result;
result = pdf_check_signature(ctx, pdf, selected_annot, status, sizeof status);
if (result)
ui_show_warning_dialog("Signature is valid.\n%s", status);
else
ui_show_warning_dialog("Could not verify signature:\n%s", status);
}
if (ui_button("Sign"))
{
fz_strlcpy(cert_filename, filename, sizeof cert_filename);
ui_init_open_file(".", cert_file_filter);
ui.dialog = cert_file_dialog;
}
}
else
{
value = pdf_field_value(ctx, pdf, selected_annot->obj);
ui_label("Value: %s", value);
fz_free(ctx, value);
}
}
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