netsurf/frontends/riscos/sslcert.c
Daniel Silverstone 865844ede7 riscos: Try and fix up all the content changes
Signed-off-by: Daniel Silverstone <dsilvers@digital-scurf.org>
2019-08-05 22:13:24 +01:00

417 lines
11 KiB
C

/*
* Copyright 2006 John M Bell <jmb202@ecs.soton.ac.uk>
* Copyright 2016 Vincent Sanders <vince@netsurf-browser.org>
*
* This file is part of NetSurf, http://www.netsurf-browser.org/
*
* NetSurf 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; version 2 of the License.
*
* NetSurf 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* \file
* Implementation of RISC OS certificate verification UI.
*/
#include <oslib/wimp.h>
#include "utils/log.h"
#include "utils/nsurl.h"
#include "netsurf/plotters.h"
#include "desktop/sslcert_viewer.h"
#include "riscos/dialog.h"
#include "riscos/wimp.h"
#include "riscos/wimp_event.h"
#include "riscos/wimputils.h"
#include "riscos/gui.h"
#include "riscos/toolbar.h"
#include "riscos/corewindow.h"
#include "riscos/sslcert.h"
/* widget ID */
#define ICON_SSL_PANE 1
#define ICON_SSL_REJECT 3
#define ICON_SSL_ACCEPT 4
/**
* RISC OS certificate viewer context.
*/
struct ro_cert_window {
struct ro_corewindow core;
/** certificate view window handle */
wimp_w wh;
/** SSL certificate viewer context data */
struct sslcert_session_data *ssl_data;
};
/** riscos dialog template for certificate viewer window. */
static wimp_window *dialog_cert_template;
/** riscos template for certificate tree pane. */
static wimp_window *cert_tree_template;
/**
* Handle closing of the RISC OS certificate verification dialog
*
* Deleting wimp windows, freeing up the core window and ssl data block.
*
* \param certw The context associated with the dialogue.
*/
static void ro_gui_cert_release_window(struct ro_cert_window *certw)
{
os_error *error;
ro_gui_wimp_event_finalise(certw->wh);
sslcert_viewer_fini(certw->ssl_data);
ro_corewindow_fini(&certw->core);
error = xwimp_delete_window(certw->wh);
if (error) {
NSLOG(netsurf, INFO, "xwimp_delete_window: 0x%x:%s",
error->errnum, error->errmess);
}
error = xwimp_delete_window(certw->core.wh);
if (error) {
NSLOG(netsurf, INFO, "xwimp_delete_window: 0x%x:%s",
error->errnum, error->errmess);
}
free(certw);
}
/**
* Handle acceptance of certificate via event callback.
*
* \param pointer The wimp pointer event.
*/
static void ro_gui_cert_accept(wimp_pointer *pointer)
{
struct ro_cert_window *certw;
certw = (struct ro_cert_window *)ro_gui_wimp_event_get_user_data(pointer->w);
sslcert_viewer_accept(certw->ssl_data);
ro_gui_dialog_close(certw->wh);
ro_gui_cert_release_window(certw);
}
/**
* Handle rejection of certificate via event callback.
*
* \param pointer The wimp pointer block.
*/
static void ro_gui_cert_reject(wimp_pointer *pointer)
{
struct ro_cert_window *certw;
certw = (struct ro_cert_window *)ro_gui_wimp_event_get_user_data(pointer->w);
sslcert_viewer_reject(certw->ssl_data);
ro_gui_dialog_close(certw->wh);
ro_gui_cert_release_window(certw);
}
/**
* Callback to handle the closure of the SSL dialogue by other means.
*
* \param w The window handle being closed.
*/
static void ro_gui_cert_close_window(wimp_w w)
{
struct ro_cert_window *certw;
certw = (struct ro_cert_window *)ro_gui_wimp_event_get_user_data(w);
ro_gui_cert_release_window(certw);
}
/**
* Attach tree window as a pane to ssl window.
*
* Nest the tree window inside the pane window. To do this, we:
* - Get the current pane extent,
* - Get the parent window position and the location of the pane-
* locating icon inside it,
* - Set the visible area of the pane to suit,
* - Check that the pane extents are OK for this visible area, and
* increase them if necessary,
* - Before finally opening the pane as a nested part of the parent.
*
*/
static nserror cert_attach_pane(wimp_w parent, wimp_w pane)
{
os_error *error;
wimp_window_state wstate;
wimp_window_info winfo;
wimp_icon_state istate;
bool set_extent;
winfo.w = pane;
error = xwimp_get_window_info_header_only(&winfo);
if (error) {
NSLOG(netsurf, INFO, "xwimp_get_window_info: 0x%x: %s",
error->errnum, error->errmess);
return NSERROR_INIT_FAILED;
}
wstate.w = parent;
error = xwimp_get_window_state(&wstate);
if (error) {
NSLOG(netsurf, INFO, "xwimp_get_window_state: 0x%x: %s",
error->errnum, error->errmess);
return NSERROR_INIT_FAILED;
}
istate.w = parent;
istate.i = ICON_SSL_PANE;
error = xwimp_get_icon_state(&istate);
if (error) {
NSLOG(netsurf, INFO, "xwimp_get_icon_state: 0x%x: %s",
error->errnum, error->errmess);
return NSERROR_INIT_FAILED;
}
wstate.w = pane;
wstate.visible.x1 = wstate.visible.x0 + istate.icon.extent.x1 - 20 - ro_get_vscroll_width(pane);
wstate.visible.x0 += istate.icon.extent.x0 + 20;
wstate.visible.y0 = wstate.visible.y1 + istate.icon.extent.y0 + 20 + ro_get_hscroll_height(pane);
wstate.visible.y1 += istate.icon.extent.y1 - 32;
set_extent = false;
if ((winfo.extent.x1 - winfo.extent.x0) <
(wstate.visible.x1 - wstate.visible.x0)) {
winfo.extent.x0 = 0;
winfo.extent.x1 = wstate.visible.x1 - wstate.visible.x0;
set_extent = true;
}
if ((winfo.extent.y1 - winfo.extent.y0) <
(wstate.visible.y1 - wstate.visible.y0)) {
winfo.extent.y1 = 0;
winfo.extent.x1 = wstate.visible.y0 - wstate.visible.y1;
set_extent = true;
}
if (set_extent) {
error = xwimp_set_extent(pane, &(winfo.extent));
if (error) {
NSLOG(netsurf, INFO, "xwimp_set_extent: 0x%x: %s",
error->errnum, error->errmess);
return NSERROR_INIT_FAILED;
}
}
error = xwimp_open_window_nested(
PTR_WIMP_OPEN(&wstate),
parent,
wimp_CHILD_LINKS_PARENT_VISIBLE_BOTTOM_OR_LEFT << wimp_CHILD_XORIGIN_SHIFT |
wimp_CHILD_LINKS_PARENT_VISIBLE_TOP_OR_RIGHT << wimp_CHILD_YORIGIN_SHIFT |
wimp_CHILD_LINKS_PARENT_VISIBLE_BOTTOM_OR_LEFT << wimp_CHILD_LS_EDGE_SHIFT |
wimp_CHILD_LINKS_PARENT_VISIBLE_BOTTOM_OR_LEFT << wimp_CHILD_RS_EDGE_SHIFT);
if (error) {
NSLOG(netsurf, INFO, "xwimp_open_window_nested: 0x%x: %s",
error->errnum, error->errmess);
return NSERROR_INIT_FAILED;
}
return NSERROR_OK;
}
/**
* Callback to draw on drawable area of ro certificate viewer window.
*
* \param ro_cw The riscos core window structure.
* \param originx The risc os plotter x origin.
* \param originy The risc os plotter y origin.
* \param r The rectangle of the window that needs updating.
* \return NSERROR_OK on success otherwise apropriate error code
*/
static nserror
cert_draw(struct ro_corewindow *ro_cw, int originx, int originy, struct rect *r)
{
struct ro_cert_window *certw;
struct redraw_context ctx = {
.interactive = true,
.background_images = true,
.plot = &ro_plotters
};
certw = (struct ro_cert_window *)ro_cw;
ro_plot_origin_x = originx;
ro_plot_origin_y = originy;
no_font_blending = true;
sslcert_viewer_redraw(certw->ssl_data, 0, 0, r, &ctx);
no_font_blending = false;
return NSERROR_OK;
}
/**
* callback for keypress on ro certificate viewer window
*
* \param ro_cw The ro core window structure.
* \param nskey The netsurf key code.
* \return NSERROR_OK if key processed,
* NSERROR_NOT_IMPLEMENTED if key not processed
* otherwise apropriate error code
*/
static nserror cert_key(struct ro_corewindow *ro_cw, uint32_t nskey)
{
struct ro_cert_window *certw;
certw = (struct ro_cert_window *)ro_cw;
if (sslcert_viewer_keypress(certw->ssl_data, nskey)) {
return NSERROR_OK;
}
return NSERROR_NOT_IMPLEMENTED;
}
/**
* callback for mouse event on ro certificate viewer window
*
* \param ro_cw The ro core window structure.
* \param mouse_state mouse state
* \param x location of event
* \param y location of event
* \return NSERROR_OK on sucess otherwise apropriate error code.
*/
static nserror
cert_mouse(struct ro_corewindow *ro_cw,
browser_mouse_state mouse_state,
int x, int y)
{
struct ro_cert_window *certw;
certw = (struct ro_cert_window *)ro_cw;
sslcert_viewer_mouse_action(certw->ssl_data, mouse_state, x, y);
return NSERROR_OK;
}
/* exported interface documented in riscos/sslcert.h */
nserror
gui_cert_verify(nsurl *url,
const struct ssl_cert_info *certs,
unsigned long num,
nserror (*cb)(bool proceed, void *pw),
void *cbpw)
{
os_error *error;
struct ro_cert_window *ncwin; /* new certificate window */
nserror res;
ncwin = malloc(sizeof(struct ro_cert_window));
if (ncwin == NULL) {
return NSERROR_NOMEM;
}
/* initialise certificate viewing interface */
res = sslcert_viewer_create_session_data(num, url, cb, cbpw, certs,
&ncwin->ssl_data);
if (res != NSERROR_OK) {
free(ncwin);
return res;
}
/* Create the SSL window */
error = xwimp_create_window(dialog_cert_template, &ncwin->wh);
if (error) {
NSLOG(netsurf, INFO, "xwimp_create_window: 0x%x: %s",
error->errnum, error->errmess);
free(ncwin);
return NSERROR_INIT_FAILED;
}
/* create ssl viewer pane window */
error = xwimp_create_window(cert_tree_template, &ncwin->core.wh);
if (error) {
NSLOG(netsurf, INFO, "xwimp_create_window: 0x%x: %s",
error->errnum, error->errmess);
free(ncwin);
return NSERROR_INIT_FAILED;
}
/* setup callbacks */
ncwin->core.draw = cert_draw;
ncwin->core.key = cert_key;
ncwin->core.mouse = cert_mouse;
/* initialise core window */
res = ro_corewindow_init(&ncwin->core, NULL, NULL, 0, NULL);
if (res != NSERROR_OK) {
free(ncwin);
return res;
}
res = sslcert_viewer_init(ncwin->core.cb_table,
(struct core_window *)ncwin,
ncwin->ssl_data);
if (res != NSERROR_OK) {
free(ncwin);
return res;
}
/* Set up the certificate window event handling.
*
* (The action buttons are registered as button events, not OK and
* Cancel, as both need to carry out actions.)
*/
ro_gui_wimp_event_set_user_data(ncwin->wh, ncwin);
ro_gui_wimp_event_register_close_window(ncwin->wh,
ro_gui_cert_close_window);
ro_gui_wimp_event_register_button(ncwin->wh,
ICON_SSL_REJECT,
ro_gui_cert_reject);
ro_gui_wimp_event_register_button(ncwin->wh,
ICON_SSL_ACCEPT,
ro_gui_cert_accept);
ro_gui_dialog_open_persistent(NULL, ncwin->wh, false);
res = cert_attach_pane(ncwin->wh, ncwin->core.wh);
if (res != NSERROR_OK) {
ro_gui_cert_release_window(ncwin);
}
return res;
}
/* exported interface documented in riscos/sslcert.h */
void ro_gui_cert_initialise(void)
{
/* Load template for the SSL certificate window */
dialog_cert_template = ro_gui_dialog_load_template("sslcert");
/* load template for ssl treeview pane and adjust the window flags. */
cert_tree_template = ro_gui_dialog_load_template("tree");
cert_tree_template->flags &= ~(wimp_WINDOW_MOVEABLE |
wimp_WINDOW_BACK_ICON |
wimp_WINDOW_CLOSE_ICON |
wimp_WINDOW_TITLE_ICON |
wimp_WINDOW_SIZE_ICON |
wimp_WINDOW_TOGGLE_ICON);
}