Momentum-Apps/esubghz_chat/scenes/esubghz_chat_key_read_popup.c

// #include "../esubghz_chat_i.h"
// #include "../helpers/nfc_helpers.h"

// typedef enum {
//     KeyReadPopupState_Idle,
//     KeyReadPopupState_Detecting,
//     KeyReadPopupState_Reading,
//     KeyReadPopupState_Fail,
//     KeyReadPopupState_Success,
// } KeyReadPopupState;

// static bool read_worker_cb(NfcWorkerEvent event, void* context) {
//     furi_assert(context);
//     ESubGhzChatState* state = context;

//     view_dispatcher_send_custom_event(state->view_dispatcher, event);

//     return true;
// }

// static void key_read_popup_timeout_cb(void* context) {
//     furi_assert(context);
//     ESubGhzChatState* state = context;

//     uint32_t cur_state =
//         scene_manager_get_scene_state(state->scene_manager, ESubGhzChatScene_KeyReadPopup);

//     /* done displaying our failure */
//     if(cur_state == KeyReadPopupState_Fail) {
//         view_dispatcher_send_custom_event(
//             state->view_dispatcher, ESubGhzChatEvent_KeyReadPopupFailed);
//         /* done displaying our success */
//     } else if(cur_state == KeyReadPopupState_Success) {
//         view_dispatcher_send_custom_event(
//             state->view_dispatcher, ESubGhzChatEvent_KeyReadPopupSucceeded);
//     }
// }

// struct ReplayDictNfcReaderContext {
//     uint8_t* cur;
//     uint8_t* max;
// };

// static bool replay_dict_nfc_reader(uint64_t* run_id, uint32_t* counter, void* context) {
//     struct ReplayDictNfcReaderContext* ctx = (struct ReplayDictNfcReaderContext*)context;

//     if(ctx->cur + sizeof(struct ReplayDictNfcEntry) > ctx->max) {
//         return false;
//     }

//     struct ReplayDictNfcEntry* entry = (struct ReplayDictNfcEntry*)ctx->cur;
//     *run_id = entry->run_id;
//     *counter = __ntohl(entry->counter);

//     ctx->cur += sizeof(struct ReplayDictNfcEntry);

//     return true;
// }

// static bool key_read_popup_handle_key_read(ESubGhzChatState* state) {
//     NfcDeviceData* dev_data = state->nfc_dev_data;

//     /* check for config pages */
//     if(dev_data->mf_ul_data.data_read < NFC_CONFIG_PAGES * 4) {
//         return false;
//     }

//     size_t data_read = dev_data->mf_ul_data.data_read - (NFC_CONFIG_PAGES * 4);

//     /* check if key was transmitted */
//     if(data_read < KEY_BITS / 8) {
//         return false;
//     }

//     /* initiate the crypto context */
//     bool ret = crypto_ctx_set_key(
//         state->crypto_ctx, dev_data->mf_ul_data.data, state->name_prefix, furi_get_tick());

//     /* cleanup */
//     crypto_explicit_bzero(dev_data->mf_ul_data.data, KEY_BITS / 8);

//     if(!ret) {
//         crypto_ctx_clear(state->crypto_ctx);
//         return false;
//     }

//     /* read the frequency */
//     if(data_read >= (KEY_BITS / 8) + sizeof(struct FreqNfcEntry)) {
//         struct FreqNfcEntry* freq_entry =
//             (struct FreqNfcEntry*)(dev_data->mf_ul_data.data + (KEY_BITS / 8));
//         state->frequency = __ntohl(freq_entry->frequency);
//     }

//     /* read the replay dict */
//     struct ReplayDictNfcReaderContext rd_ctx = {
//         .cur = dev_data->mf_ul_data.data + (KEY_BITS / 8) + sizeof(struct FreqNfcEntry),
//         .max =
//             dev_data->mf_ul_data.data + (data_read < NFC_MAX_BYTES ? data_read : NFC_MAX_BYTES)};

//     crypto_ctx_read_replay_dict(state->crypto_ctx, replay_dict_nfc_reader, &rd_ctx);

//     /* set encrypted flag */
//     state->encrypted = true;

//     return true;
// }

// static void key_read_popup_set_state(ESubGhzChatState* state, KeyReadPopupState new_state) {
//     uint32_t cur_state =
//         scene_manager_get_scene_state(state->scene_manager, ESubGhzChatScene_KeyReadPopup);
//     if(cur_state == new_state) {
//         return;
//     }

//     if(new_state == KeyReadPopupState_Detecting) {
//         popup_reset(state->nfc_popup);
//         popup_disable_timeout(state->nfc_popup);
//         popup_set_text(state->nfc_popup, "Tap Flipper\n to sender", 97, 24, AlignCenter, AlignTop);
//         popup_set_icon(state->nfc_popup, 0, 8, &I_NFC_manual_60x50);
//         notification_message(state->notification, &sequence_blink_start_cyan);
//     } else if(new_state == KeyReadPopupState_Reading) {
//         popup_reset(state->nfc_popup);
//         popup_disable_timeout(state->nfc_popup);
//         popup_set_header(
//             state->nfc_popup,
//             "Reading key\nDon't "
//             "move...",
//             85,
//             24,
//             AlignCenter,
//             AlignTop);
//         popup_set_icon(state->nfc_popup, 12, 23, &I_Loading_24);
//         notification_message(state->notification, &sequence_blink_start_yellow);
//     } else if(new_state == KeyReadPopupState_Fail) {
//         nfc_worker_stop(state->nfc_worker);

//         popup_reset(state->nfc_popup);
//         popup_set_header(state->nfc_popup, "Failure!", 64, 2, AlignCenter, AlignTop);
//         popup_set_text(state->nfc_popup, "Failed\nto read\nkey.", 78, 16, AlignLeft, AlignTop);
//         popup_set_icon(state->nfc_popup, 14, 10, &I_dolph_cry_49x54);

//         popup_set_timeout(state->nfc_popup, KEY_READ_POPUP_MS);
//         popup_set_context(state->nfc_popup, state);
//         popup_set_callback(state->nfc_popup, key_read_popup_timeout_cb);
//         popup_enable_timeout(state->nfc_popup);

//         notification_message(state->notification, &sequence_blink_stop);
//     } else if(new_state == KeyReadPopupState_Success) {
//         nfc_worker_stop(state->nfc_worker);

//         popup_reset(state->nfc_popup);
//         popup_set_header(state->nfc_popup, "Key\nread!", 13, 22, AlignLeft, AlignBottom);
//         popup_set_icon(state->nfc_popup, 36, 5, &I_DolphinDone_80x58);

//         popup_set_timeout(state->nfc_popup, KEY_READ_POPUP_MS);
//         popup_set_context(state->nfc_popup, state);
//         popup_set_callback(state->nfc_popup, key_read_popup_timeout_cb);
//         popup_enable_timeout(state->nfc_popup);

//         notification_message(state->notification, &sequence_success);
//         notification_message(state->notification, &sequence_blink_stop);
//     }

//     scene_manager_set_scene_state(state->scene_manager, ESubGhzChatScene_KeyReadPopup, new_state);

//     view_dispatcher_switch_to_view(state->view_dispatcher, ESubGhzChatView_NfcPopup);
// }

// /* Prepares the key share read scene. */
// void scene_on_enter_key_read_popup(void* context) {
//     FURI_LOG_T(APPLICATION_NAME, "scene_on_enter_key_read_popup");

//     furi_assert(context);
//     ESubGhzChatState* state = context;

//     key_read_popup_set_state(state, KeyReadPopupState_Detecting);

//     state->nfc_dev_data->parsed_data = furi_string_alloc();
//     if(state->nfc_dev_data->parsed_data == NULL) {
//         /* can't do anything here, crash */
//         furi_check(0);
//     }

//     nfc_worker_start(
//         state->nfc_worker, NfcWorkerStateRead, state->nfc_dev_data, read_worker_cb, state);
// }

// /* Handles scene manager events for the key read popup scene. */
// bool scene_on_event_key_read_popup(void* context, SceneManagerEvent event) {
//     FURI_LOG_T(APPLICATION_NAME, "scene_on_event_key_read_popup");

//     furi_assert(context);
//     ESubGhzChatState* state = context;

//     bool consumed = false;

//     switch(event.type) {
//     case SceneManagerEventTypeCustom:
//         switch(event.event) {
//         /* card detected */
//         case NfcWorkerEventCardDetected:
//             key_read_popup_set_state(state, KeyReadPopupState_Reading);
//             consumed = true;
//             break;

//         /* no card detected */
//         case NfcWorkerEventNoCardDetected:
//             key_read_popup_set_state(state, KeyReadPopupState_Detecting);
//             consumed = true;
//             break;

//         /* key probably read */
//         case NfcWorkerEventReadMfUltralight:
//             if(key_read_popup_handle_key_read(state)) {
//                 key_read_popup_set_state(state, KeyReadPopupState_Success);
//             } else {
//                 key_read_popup_set_state(state, KeyReadPopupState_Fail);
//             }
//             consumed = true;
//             break;

//         /* close the popup and go back */
//         case ESubGhzChatEvent_KeyReadPopupFailed:
//             if(!scene_manager_previous_scene(state->scene_manager)) {
//                 view_dispatcher_stop(state->view_dispatcher);
//             }
//             consumed = true;
//             break;

//         /* success, go to frequency input */
//         case ESubGhzChatEvent_KeyReadPopupSucceeded:
//             scene_manager_next_scene(state->scene_manager, ESubGhzChatScene_FreqInput);
//             consumed = true;
//             break;

//         /* something else happend, treat as failure */
//         default:
//             key_read_popup_set_state(state, KeyReadPopupState_Fail);
//             consumed = true;
//             break;
//         }

//         break;

//     default:
//         consumed = false;
//         break;
//     }

//     return consumed;
// }

// /* Cleans up the key read popup scene. */
// void scene_on_exit_key_read_popup(void* context) {
//     FURI_LOG_T(APPLICATION_NAME, "scene_on_exit_key_read_popup");

//     furi_assert(context);
//     ESubGhzChatState* state = context;

//     popup_reset(state->nfc_popup);
//     scene_manager_set_scene_state(
//         state->scene_manager, ESubGhzChatScene_KeyReadPopup, KeyReadPopupState_Idle);

//     notification_message(state->notification, &sequence_blink_stop);

//     nfc_worker_stop(state->nfc_worker);

//     crypto_explicit_bzero(state->nfc_dev_data->mf_ul_data.data, KEY_BITS / 8);
//     if(state->nfc_dev_data->parsed_data != NULL) {
//         furi_string_free(state->nfc_dev_data->parsed_data);
//     }
//     memset(state->nfc_dev_data, 0, sizeof(NfcDeviceData));
// }