flipperzero-firmware/applications/u2f/views/u2f_view.c
Nikolay Minaylov 9e62f08e4d
[FL-1958] U2F prototype (#879)
* U2F implementation prototype
* U2F data encryption and store, user confirmation request
* remove debug prints
* fix notification bug in chrome
* split u2f_alloc into u2f_init and u2f_alloc
* typo fix, furi-hal-trng -> furi-hal-random
* rand/srand redefinition
* SubGhz: a little bit of Dante.
* u2f_data naming fix

Co-authored-by: Aleksandr Kutuzov <alleteam@gmail.com>
2021-12-22 23:04:08 +03:00

92 lines
2.7 KiB
C

#include "u2f_view.h"
#include <gui/elements.h>
struct U2fView {
View* view;
U2fOkCallback callback;
void* context;
};
typedef struct {
U2fViewMsg display_msg;
} U2fModel;
static void u2f_view_draw_callback(Canvas* canvas, void* _model) {
U2fModel* model = _model;
canvas_set_font(canvas, FontPrimary);
canvas_draw_str_aligned(canvas, 0, 0, AlignLeft, AlignTop, "U2F Demo");
if(model->display_msg == U2fMsgRegister) {
canvas_set_font(canvas, FontPrimary);
canvas_draw_str_aligned(canvas, 0, 45, AlignLeft, AlignBottom, "Registration");
canvas_set_font(canvas, FontSecondary);
canvas_draw_str_aligned(canvas, 0, 63, AlignLeft, AlignBottom, "Press [OK] to confirm");
} else if(model->display_msg == U2fMsgAuth) {
canvas_set_font(canvas, FontPrimary);
canvas_draw_str_aligned(canvas, 0, 45, AlignLeft, AlignBottom, "Authentication");
canvas_set_font(canvas, FontSecondary);
canvas_draw_str_aligned(canvas, 0, 63, AlignLeft, AlignBottom, "Press [OK] to confirm");
} else if(model->display_msg == U2fMsgError) {
canvas_set_font(canvas, FontPrimary);
canvas_draw_str_aligned(canvas, 64, 40, AlignCenter, AlignCenter, "U2F data missing");
}
}
static bool u2f_view_input_callback(InputEvent* event, void* context) {
furi_assert(context);
U2fView* u2f = context;
bool consumed = false;
if(event->type == InputTypeShort) {
if(event->key == InputKeyOk) {
consumed = true;
if(u2f->callback != NULL) u2f->callback(InputTypeShort, u2f->context);
}
}
return consumed;
}
U2fView* u2f_view_alloc() {
U2fView* u2f = furi_alloc(sizeof(U2fView));
u2f->view = view_alloc();
view_allocate_model(u2f->view, ViewModelTypeLocking, sizeof(U2fModel));
view_set_context(u2f->view, u2f);
view_set_draw_callback(u2f->view, u2f_view_draw_callback);
view_set_input_callback(u2f->view, u2f_view_input_callback);
return u2f;
}
void u2f_view_free(U2fView* u2f) {
furi_assert(u2f);
view_free(u2f->view);
free(u2f);
}
View* u2f_view_get_view(U2fView* u2f) {
furi_assert(u2f);
return u2f->view;
}
void u2f_view_set_ok_callback(U2fView* u2f, U2fOkCallback callback, void* context) {
furi_assert(u2f);
furi_assert(callback);
with_view_model(
u2f->view, (U2fModel * model) {
u2f->callback = callback;
u2f->context = context;
return false;
});
}
void u2f_view_set_state(U2fView* u2f, U2fViewMsg msg) {
with_view_model(
u2f->view, (U2fModel * model) {
model->display_msg = msg;
return false;
});
}