feat: import Chinese-localized Buzz source snapshot

Signed-off-by: cls_宁波本机 <908705107@qq.com>

mobile/test/shared/relay/relay_validation_test.dart

@@ -0,0 +1,161 @@
+import 'package:flutter_test/flutter_test.dart';
+
+import 'package:buzz/shared/relay/relay_validation.dart';
+
+void main() {
+  group('validateInviteRelayUri', () {
+    test('accepts public secure relay origins', () {
+      for (final url in [
+        'wss://relay.example.com',
+        'wss://relay.example.com/',
+        'wss://relay.example.com:8443',
+        'wss://8.8.8.8',
+        'wss://[2001:4860:4860::8888]',
+        'wss://[2001:1::1]',
+        'wss://[2001:1::2]',
+        'wss://[2001:1::3]',
+        'wss://[2001:3::1]',
+        'wss://[2001:4:112::1]',
+        'wss://[2001:20::1]',
+        'wss://[2001:30::1]',
+        'wss://[2001:200::1]',
+        'wss://[2620:4f:8000::1]',
+        'wss://[3fff:1000::1]',
+        'wss://[2606:4700:4700::1111]',
+      ]) {
+        expect(
+          () => validateInviteRelayUri(
+            Uri.parse(url),
+            allowInsecureLocalhost: false,
+          ),
+          returnsNormally,
+          reason: url,
+        );
+      }
+    });
+
+    test('allows plaintext localhost only when explicitly enabled', () {
+      for (final url in ['ws://localhost:3000', 'ws://relay.localhost:3000']) {
+        expect(
+          () => validateInviteRelayUri(
+            Uri.parse(url),
+            allowInsecureLocalhost: true,
+          ),
+          returnsNormally,
+          reason: url,
+        );
+        expect(
+          () => validateInviteRelayUri(
+            Uri.parse(url),
+            allowInsecureLocalhost: false,
+          ),
+          throwsFormatException,
+          reason: url,
+        );
+      }
+    });
+
+    test('rejects plaintext public relays', () {
+      expect(
+        () => validateInviteRelayUri(
+          Uri.parse('ws://relay.example.com'),
+          allowInsecureLocalhost: false,
+        ),
+        throwsFormatException,
+      );
+    });
+
+    test('rejects non-public IPv4 literals', () {
+      for (final host in [
+        '0.0.0.0',
+        '10.0.0.1',
+        '100.64.0.1',
+        '127.0.0.1',
+        '169.254.169.254',
+        '172.16.0.1',
+        '192.168.0.1',
+        '198.18.0.1',
+        '224.0.0.1',
+      ]) {
+        expect(
+          () => validateInviteRelayUri(
+            Uri.parse('wss://$host'),
+            allowInsecureLocalhost: false,
+          ),
+          throwsFormatException,
+          reason: host,
+        );
+      }
+    });
+
+    test('rejects non-public IPv6 literals and mapped IPv4', () {
+      for (final host in [
+        '[::]',
+        '[::1]',
+        '[::ffff:127.0.0.1]',
+        '[::ffff:169.254.169.254]',
+        '[::ffff:a9fe:a9fe]',
+        '[64:ff9b::a9fe:a9fe]',
+        '[100::1]',
+        '[100:0:0:1::1]',
+        '[2001::1]',
+        '[2001:1::4]',
+        '[2001:2::1]',
+        '[2001:4:111::1]',
+        '[2001:10::1]',
+        '[2001:40::1]',
+        '[2001:db8::1]',
+        '[2002:a9fe:a9fe::1]',
+        '[3fff::1]',
+        '[3fff:fff::1]',
+        '[5f00::1]',
+        '[fc00::1]',
+        '[fd00::1]',
+        '[fe80::1]',
+        '[fec0::1]',
+        '[ff02::1]',
+      ]) {
+        expect(
+          () => validateInviteRelayUri(
+            Uri.parse('wss://$host'),
+            allowInsecureLocalhost: false,
+          ),
+          throwsFormatException,
+          reason: host,
+        );
+      }
+    });
+
+    test('rejects legacy numeric IPv4 spellings', () {
+      for (final host in ['2130706433', '0x7f000001', '0177.0.0.1', '127.1']) {
+        expect(
+          () => validateInviteRelayUri(
+            Uri.parse('wss://$host'),
+            allowInsecureLocalhost: false,
+          ),
+          throwsFormatException,
+          reason: host,
+        );
+      }
+    });
+
+    test('rejects non-origin URLs', () {
+      for (final url in [
+        'https://relay.example.com',
+        'wss://user@relay.example.com',
+        'wss://relay.example.com/path',
+        'wss://relay.example.com?query=x',
+        'wss://relay.example.com#fragment',
+      ]) {
+        expect(
+          () => validateInviteRelayUri(
+            Uri.parse(url),
+            allowInsecureLocalhost: false,
+          ),
+          throwsFormatException,
+          reason: url,
+        );
+      }
+    });
+  });
+}