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filter unrecognized from extra URI parameters IAW BIP21

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Closes #567 https://github.com/cypherstack/stack_wallet/issues/567

TODO refer to BIP21 to see if any other params are required
This commit is contained in:
sneurlax 2024-07-11 18:56:54 -05:00
parent c5a14815ec
commit 3a9e7d700b
1 changed files with 13 additions and 4 deletions
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17
lib/utilities/address_utils.dart
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@ -14,6 +14,8 @@ import 'logger.dart';
import '../wallets/crypto_currency/crypto_currency.dart';
class AddressUtils {
static final Set<String> recognizedParams = {'amount', 'label', 'message'};
static String condenseAddress(String address) {
return '${address.substring(0, 5)}...${address.substring(address.length - 5)}';
}
@ -170,8 +172,13 @@ class AddressUtils {
// // }
// }
/// parse an address uri
/// returns an empty map if the input string does not begin with "firo:"
/// Return only recognized parameters.
static Map<String, String> filterParams(Map<String, String> params) {
return Map.fromEntries(params.entries
.where((entry) => recognizedParams.contains(entry.key.toLowerCase())));
}
/// Parses a URI string.
static Map<String, String> parseUri(String uri) {
final Map<String, String> result = {};
try {
@ -202,9 +209,11 @@ class AddressUtils {
sanitizedAddress = address.replaceFirst(prefix, "");
}
}
// Filter unrecognized parameters.
final filteredParams = filterParams(params);
String uriString = "${coin.uriScheme}:$sanitizedAddress";
if (params.isNotEmpty) {
uriString += Uri(queryParameters: params).toString();
if (filteredParams.isNotEmpty) {
uriString += Uri(queryParameters: filteredParams).toString();
}
return uriString;
}