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Latest RM0218-1205-0.420.0-7bb30bf on PATREON - UPD METROFLIP
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183
applications/external/metroflip/scenes/plugins/gocard.c
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| #include <flipper_application.h> | ||
| #include "../../metroflip_i.h" | ||
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| #include <nfc/protocols/mf_classic/mf_classic_poller_sync.h> | ||
| #include <nfc/protocols/mf_classic/mf_classic.h> | ||
| #include <nfc/protocols/mf_classic/mf_classic_poller.h> | ||
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| #include <dolphin/dolphin.h> | ||
| #include <bit_lib.h> | ||
| #include <furi_hal.h> | ||
| #include <nfc/nfc.h> | ||
| #include <nfc/nfc_device.h> | ||
| #include <nfc/nfc_listener.h> | ||
| #include "../../api/metroflip/metroflip_api.h" | ||
| #include "../../metroflip_plugins.h" | ||
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| #define TAG "Metroflip:Scene:gocard" | ||
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| unsigned short byteArrayToIntReversed(unsigned int dec1, unsigned int dec2) { | ||
| unsigned char byte1 = (unsigned char)dec1; | ||
| unsigned char byte2 = (unsigned char)dec2; | ||
| return ((unsigned short)byte2 << 8) | byte1; | ||
| } | ||
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| static bool gocard_parse(FuriString* parsed_data, const MfClassicData* data) { | ||
| bool parsed = false; | ||
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| do { | ||
| // Verify key | ||
| //const uint8_t ticket_sector_number = 1; | ||
| //const uint8_t ticket_block_number = 1; | ||
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| //const MfClassicSectorTrailer* sec_tr = | ||
| // mf_classic_get_sector_trailer_by_sector(data, ticket_sector_number); | ||
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| //const uint64_t key = | ||
| // bit_lib_bytes_to_num_be(sec_tr->key_a.data, COUNT_OF(sec_tr->key_a.data)); | ||
| ///if(key != gocard_1k_keys[ticket_sector_number].a) break; | ||
| //FURI_LOG_D(TAG, "passed key check"); | ||
| // Parse data | ||
| //const uint8_t start_block_num = | ||
| // mf_classic_get_first_block_num_of_sector(ticket_sector_number); | ||
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| //const uint8_t* block_start_ptr = | ||
| // &data->block[start_block_num + ticket_block_number].data[0]; | ||
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| //uint32_t balance = bit_lib_bytes_to_num_le(block_start_ptr, 4) - 100; | ||
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| //uint32_t balance_lari = balance / 100; | ||
| //uint8_t balance_tetri = balance % 100; | ||
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| int balance_slot = 4; | ||
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| if(data->block[balance_slot].data[13] <= data->block[balance_slot + 1].data[13]) | ||
| balance_slot++; | ||
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| unsigned short balancecents = byteArrayToIntReversed( | ||
| data->block[balance_slot].data[2], data->block[balance_slot].data[3]); | ||
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| // Check if the sign flag is set in 'balance' | ||
| if((balancecents & 0x8000) == 0x8000) { | ||
| balancecents = balancecents & 0x7fff; // Clear the sign flag. | ||
| balancecents *= -1; // Negate the balance. | ||
| } | ||
| // Otherwise, check the sign flag in data->block[4].data[1] | ||
| else if((data->block[balance_slot].data[1] & 0x80) == 0x80) { | ||
| // seq_go uses a sign flag in an adjacent byte. | ||
| balancecents *= -1; | ||
| } | ||
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| double balance = balancecents / 100.0; | ||
| furi_string_printf(parsed_data, "\e#Go card\nValue: A$%.2f\n", balance); | ||
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| parsed = true; | ||
| } while(false); | ||
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| return parsed; | ||
| } | ||
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| static void gocard_on_enter(Metroflip* app) { | ||
| dolphin_deed(DolphinDeedNfcRead); | ||
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| app->sec_num = 0; | ||
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| if(app->data_loaded) { | ||
| Storage* storage = furi_record_open(RECORD_STORAGE); | ||
| FlipperFormat* ff = flipper_format_file_alloc(storage); | ||
| if(flipper_format_file_open_existing(ff, app->file_path)) { | ||
| MfClassicData* mfc_data = mf_classic_alloc(); | ||
| mf_classic_load(mfc_data, ff, 2); | ||
| FuriString* parsed_data = furi_string_alloc(); | ||
| Widget* widget = app->widget; | ||
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| furi_string_reset(app->text_box_store); | ||
| if(!gocard_parse(parsed_data, mfc_data)) { | ||
| furi_string_reset(app->text_box_store); | ||
| FURI_LOG_I(TAG, "Unknown card type"); | ||
| furi_string_printf(parsed_data, "\e#Unknown card\n"); | ||
| } | ||
| widget_add_text_scroll_element( | ||
| widget, 0, 0, 128, 64, furi_string_get_cstr(parsed_data)); | ||
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| widget_add_button_element( | ||
| widget, GuiButtonTypeRight, "Exit", metroflip_exit_widget_callback, app); | ||
| widget_add_button_element( | ||
| widget, GuiButtonTypeCenter, "Delete", metroflip_delete_widget_callback, app); | ||
| mf_classic_free(mfc_data); | ||
| furi_string_free(parsed_data); | ||
| view_dispatcher_switch_to_view(app->view_dispatcher, MetroflipViewWidget); | ||
| } | ||
| flipper_format_free(ff); | ||
| } else { | ||
| // Setup view | ||
| Popup* popup = app->popup; | ||
| popup_set_header(popup, "unsupported", 68, 30, AlignLeft, AlignTop); | ||
| popup_set_icon(popup, 0, 3, &I_RFIDDolphinReceive_97x61); | ||
| } | ||
| } | ||
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| static bool gocard_on_event(Metroflip* app, SceneManagerEvent event) { | ||
| bool consumed = false; | ||
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| if(event.type == SceneManagerEventTypeCustom) { | ||
| if(event.event == MetroflipCustomEventCardDetected) { | ||
| Popup* popup = app->popup; | ||
| popup_set_header(popup, "DON'T\nMOVE", 68, 30, AlignLeft, AlignTop); | ||
| consumed = true; | ||
| } else if(event.event == MetroflipCustomEventCardLost) { | ||
| Popup* popup = app->popup; | ||
| popup_set_header(popup, "Card \n lost", 68, 30, AlignLeft, AlignTop); | ||
| consumed = true; | ||
| } else if(event.event == MetroflipCustomEventWrongCard) { | ||
| Popup* popup = app->popup; | ||
| popup_set_header(popup, "WRONG \n CARD", 68, 30, AlignLeft, AlignTop); | ||
| consumed = true; | ||
| } else if(event.event == MetroflipCustomEventPollerFail) { | ||
| Popup* popup = app->popup; | ||
| popup_set_header(popup, "Failed", 68, 30, AlignLeft, AlignTop); | ||
| consumed = true; | ||
| } | ||
| } else if(event.type == SceneManagerEventTypeBack) { | ||
| scene_manager_search_and_switch_to_previous_scene(app->scene_manager, MetroflipSceneStart); | ||
| consumed = true; | ||
| } | ||
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| return consumed; | ||
| } | ||
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| static void gocard_on_exit(Metroflip* app) { | ||
| widget_reset(app->widget); | ||
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| if(app->poller && !app->data_loaded) { | ||
| nfc_poller_stop(app->poller); | ||
| nfc_poller_free(app->poller); | ||
| } | ||
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| // Clear view | ||
| popup_reset(app->popup); | ||
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| metroflip_app_blink_stop(app); | ||
| } | ||
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| /* Actual implementation of app<>plugin interface */ | ||
| static const MetroflipPlugin gocard_plugin = { | ||
| .card_name = "gocard", | ||
| .plugin_on_enter = gocard_on_enter, | ||
| .plugin_on_event = gocard_on_event, | ||
| .plugin_on_exit = gocard_on_exit, | ||
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| }; | ||
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| /* Plugin descriptor to comply with basic plugin specification */ | ||
| static const FlipperAppPluginDescriptor gocard_plugin_descriptor = { | ||
| .appid = METROFLIP_SUPPORTED_CARD_PLUGIN_APP_ID, | ||
| .ep_api_version = METROFLIP_SUPPORTED_CARD_PLUGIN_API_VERSION, | ||
| .entry_point = &gocard_plugin, | ||
| }; | ||
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| /* Plugin entry point - must return a pointer to const descriptor */ | ||
| const FlipperAppPluginDescriptor* gocard_plugin_ep(void) { | ||
| return &gocard_plugin_descriptor; | ||
| } |