package co.infinum.goldfinger; import java.util.ArrayList; import java.util.List; import androidx.annotation.NonNull; import androidx.annotation.Nullable; import androidx.fragment.app.Fragment; import androidx.fragment.app.FragmentActivity; class ValidateUtils { private ValidateUtils() { } /** * Return list of cipher params errors. If no errors detected, list will be empty. */ @NonNull static List<String> validateCipherParams(@NonNull Mode mode, @Nullable String key, @Nullable String value) { List<String> errors = new ArrayList<>(); if (mode != Mode.AUTHENTICATION) { if (StringUtils.isBlankOrNull(key)) { errors.add("Key is required if encryption or decryption is used!"); } if (StringUtils.isBlankOrNull(value)) { errors.add("Value is required if encryption or decryption is used!"); } } return errors; } /** * Return list of prompt params errors. If no errors detected, list will be empty. */ @NonNull static List<String> validatePromptParams(@NonNull Mode mode, @NonNull Goldfinger.PromptParams params) { List<String> errors = new ArrayList<>(); if (!(params.dialogOwner() instanceof Fragment) && !(params.dialogOwner() instanceof FragmentActivity)) { errors.add("DialogOwner must be of instance Fragment or FragmentActivity"); } if (StringUtils.isBlankOrNull(params.title())) { errors.add("Title is required!"); } if (!params.deviceCredentialsAllowed() && StringUtils.isBlankOrNull(params.negativeButtonText())) { errors.add("NegativeButtonText is required!"); } if (params.deviceCredentialsAllowed() && mode != Mode.AUTHENTICATION) { errors.add("DeviceCredentials are allowed only for Goldfinger#authenticate method."); } return errors; } }