unleashed-firmware/applications/external/totp/services/config/migrations/common_migration.c

#include "common_migration.h"
#include "../constants.h"
#include "../../../types/token_info.h"

bool totp_config_migrate_to_latest(
    FlipperFormat* fff_data_file,
    FlipperFormat* fff_backup_data_file) {
    FuriString* temp_str = furi_string_alloc();
    uint32_t current_version = 0;
    bool result = false;
    do {
        flipper_format_write_header_cstr(
            fff_data_file, CONFIG_FILE_HEADER, CONFIG_FILE_ACTUAL_VERSION);

        if(!flipper_format_read_header(fff_backup_data_file, temp_str, &current_version)) {
            break;
        }

        if(flipper_format_read_string(fff_backup_data_file, TOTP_CONFIG_KEY_BASE_IV, temp_str)) {
            flipper_format_write_string(fff_data_file, TOTP_CONFIG_KEY_BASE_IV, temp_str);
        }

        flipper_format_rewind(fff_backup_data_file);

        if(flipper_format_read_string(
               fff_backup_data_file, TOTP_CONFIG_KEY_CRYPTO_VERIFY, temp_str)) {
            flipper_format_write_string(fff_data_file, TOTP_CONFIG_KEY_CRYPTO_VERIFY, temp_str);
        }

        flipper_format_rewind(fff_backup_data_file);

        if(flipper_format_read_string(fff_backup_data_file, TOTP_CONFIG_KEY_TIMEZONE, temp_str)) {
            flipper_format_write_string(fff_data_file, TOTP_CONFIG_KEY_TIMEZONE, temp_str);
        }

        flipper_format_rewind(fff_backup_data_file);

        if(flipper_format_read_string(fff_backup_data_file, TOTP_CONFIG_KEY_PINSET, temp_str)) {
            flipper_format_write_string(fff_data_file, TOTP_CONFIG_KEY_PINSET, temp_str);
        }

        flipper_format_rewind(fff_backup_data_file);

        if(flipper_format_read_string(
               fff_backup_data_file, TOTP_CONFIG_KEY_NOTIFICATION_METHOD, temp_str)) {
            flipper_format_write_string(
                fff_data_file, TOTP_CONFIG_KEY_NOTIFICATION_METHOD, temp_str);
        }

        flipper_format_rewind(fff_backup_data_file);

        if(flipper_format_read_string(
               fff_backup_data_file, TOTP_CONFIG_KEY_AUTOMATION_METHOD, temp_str)) {
            flipper_format_write_string(
                fff_data_file, TOTP_CONFIG_KEY_AUTOMATION_METHOD, temp_str);
        }

        flipper_format_rewind(fff_backup_data_file);

        FuriString* comment_str = furi_string_alloc();

        while(true) {
            if(!flipper_format_read_string(
                   fff_backup_data_file, TOTP_CONFIG_KEY_TOKEN_NAME, temp_str)) {
                break;
            }

            furi_string_printf(
                comment_str, "=== BEGIN \"%s\" ===", furi_string_get_cstr(temp_str));
            flipper_format_write_comment(fff_data_file, comment_str);
            furi_string_printf(comment_str, "=== END \"%s\" ===", furi_string_get_cstr(temp_str));
            flipper_format_write_string(fff_data_file, TOTP_CONFIG_KEY_TOKEN_NAME, temp_str);

            flipper_format_read_string(
                fff_backup_data_file, TOTP_CONFIG_KEY_TOKEN_SECRET, temp_str);
            flipper_format_write_string(fff_data_file, TOTP_CONFIG_KEY_TOKEN_SECRET, temp_str);

            if(current_version > 1) {
                flipper_format_read_string(
                    fff_backup_data_file, TOTP_CONFIG_KEY_TOKEN_ALGO, temp_str);
                flipper_format_write_string(fff_data_file, TOTP_CONFIG_KEY_TOKEN_ALGO, temp_str);

                flipper_format_read_string(
                    fff_backup_data_file, TOTP_CONFIG_KEY_TOKEN_DIGITS, temp_str);
                flipper_format_write_string(fff_data_file, TOTP_CONFIG_KEY_TOKEN_DIGITS, temp_str);
            } else {
                flipper_format_write_string_cstr(
                    fff_data_file, TOTP_CONFIG_KEY_TOKEN_ALGO, TOTP_TOKEN_ALGO_SHA1_NAME);
                const uint32_t default_digits = TOTP_6_DIGITS;
                flipper_format_write_uint32(
                    fff_data_file, TOTP_CONFIG_KEY_TOKEN_DIGITS, &default_digits, 1);
            }

            if(current_version > 2) {
                flipper_format_read_string(
                    fff_backup_data_file, TOTP_CONFIG_KEY_TOKEN_DURATION, temp_str);
                flipper_format_write_string(
                    fff_data_file, TOTP_CONFIG_KEY_TOKEN_DURATION, temp_str);
            } else {
                const uint32_t default_duration = TOTP_TOKEN_DURATION_DEFAULT;
                flipper_format_write_uint32(
                    fff_data_file, TOTP_CONFIG_KEY_TOKEN_DURATION, &default_duration, 1);
            }

            if(current_version > 3) {
                flipper_format_read_string(
                    fff_backup_data_file, TOTP_CONFIG_KEY_TOKEN_AUTOMATION_FEATURES, temp_str);
                flipper_format_write_string(
                    fff_data_file, TOTP_CONFIG_KEY_TOKEN_AUTOMATION_FEATURES, temp_str);
            } else {
                const uint32_t default_automation_features = TOKEN_AUTOMATION_FEATURE_NONE;
                flipper_format_write_uint32(
                    fff_data_file,
                    TOTP_CONFIG_KEY_TOKEN_AUTOMATION_FEATURES,
                    &default_automation_features,
                    1);
            }

            flipper_format_write_comment(fff_data_file, comment_str);
        }

        furi_string_free(comment_str);

        result = true;
    } while(false);

    furi_string_free(temp_str);
    return result;
}