mirror of
https://github.com/DarkFlippers/unleashed-firmware.git
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1074af905c
* Add transactions menu item * Use nfc assets for country/currency/aid * remove deprecated render
83 lines
2.4 KiB
C
83 lines
2.4 KiB
C
#include "nfc_emv_parser.h"
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#include <flipper_format/flipper_format.h>
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static const char* nfc_resources_header = "Flipper EMV resources";
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static const uint32_t nfc_resources_file_version = 1;
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static bool nfc_emv_parser_search_data(
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Storage* storage,
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const char* file_name,
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FuriString* key,
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FuriString* data) {
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bool parsed = false;
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FlipperFormat* file = flipper_format_file_alloc(storage);
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FuriString* temp_str;
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temp_str = furi_string_alloc();
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do {
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// Open file
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if(!flipper_format_file_open_existing(file, file_name)) break;
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// Read file header and version
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uint32_t version = 0;
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if(!flipper_format_read_header(file, temp_str, &version)) break;
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if(furi_string_cmp_str(temp_str, nfc_resources_header) ||
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(version != nfc_resources_file_version))
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break;
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if(!flipper_format_read_string(file, furi_string_get_cstr(key), data)) break;
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parsed = true;
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} while(false);
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furi_string_free(temp_str);
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flipper_format_free(file);
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return parsed;
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}
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bool nfc_emv_parser_get_aid_name(
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Storage* storage,
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const uint8_t* aid,
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uint8_t aid_len,
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FuriString* aid_name) {
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furi_assert(storage);
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bool parsed = false;
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FuriString* key;
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key = furi_string_alloc();
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for(uint8_t i = 0; i < aid_len; i++) {
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furi_string_cat_printf(key, "%02X", aid[i]);
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}
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if(nfc_emv_parser_search_data(storage, EXT_PATH("nfc/assets/aid.nfc"), key, aid_name)) {
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parsed = true;
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}
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furi_string_free(key);
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return parsed;
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}
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bool nfc_emv_parser_get_country_name(
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Storage* storage,
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uint16_t country_code,
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FuriString* country_name) {
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bool parsed = false;
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FuriString* key;
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key = furi_string_alloc_printf("%04X", country_code);
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if(nfc_emv_parser_search_data(
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storage, EXT_PATH("nfc/assets/country_code.nfc"), key, country_name)) {
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parsed = true;
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}
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furi_string_free(key);
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return parsed;
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}
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bool nfc_emv_parser_get_currency_name(
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Storage* storage,
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uint16_t currency_code,
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FuriString* currency_name) {
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bool parsed = false;
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FuriString* key;
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key = furi_string_alloc_printf("%04X", currency_code);
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if(nfc_emv_parser_search_data(
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storage, EXT_PATH("nfc/assets/currency_code.nfc"), key, currency_name)) {
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parsed = true;
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}
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furi_string_free(key);
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return parsed;
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}
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