fix: force H5 shell to use canonical web host

lib/config/app_config.dart

@@ -6,10 +6,14 @@ class AppConfig {
   static const Environment currentEnvironment = Environment.production;
   static const String appName = '本地打包';
   static const String appLogo = '';
+  static const String canonicalWebHost = 'h5-im.imharry.work';
+  static const Set<String> legacyWebHosts = {
+    'h5-test.imharry.work',
+  };
 
   static final Map<Environment, List<String>> _environmentHosts = {
     Environment.production: [
-      'h5-im.imharry.work',
+      canonicalWebHost,
     ],
   };
 
@@ -18,9 +22,8 @@ class AppConfig {
   }
 
   static String homeUrl({String? appName, String? appLogo}) {
-    final host = environmentHosts.isNotEmpty
-        ? environmentHosts.first
-        : 'h5-im.imharry.work';
+    final host =
+        environmentHosts.isNotEmpty ? environmentHosts.first : canonicalWebHost;
     final uri = Uri.parse(_normalizeHomeUrl(host));
     final queryParameters = Map<String, String>.from(uri.queryParameters)
       ..['_h5_t'] = DateTime.now().millisecondsSinceEpoch.toString();
@@ -29,7 +32,39 @@ class AppConfig {
   }
 
   static String withFreshShellParams(String url) {
-    final uri = Uri.parse(url);
+    return _removeShellParams(Uri.parse(url)).toString();
+  }
+
+  static bool shouldRewriteMainFrameUrl(String url) {
+    final uri = Uri.tryParse(url);
+    if (uri == null) {
+      return false;
+    }
+
+    final host = uri.host.toLowerCase();
+    return legacyWebHosts.contains(host) || _hasShellParams(uri);
+  }
+
+  static String canonicalizeMainFrameUrl(String url) {
+    final uri = _removeShellParams(Uri.parse(url));
+    final host = uri.host.toLowerCase();
+    if (!legacyWebHosts.contains(host)) {
+      return uri.toString();
+    }
+
+    final queryParameters = Map<String, String>.from(uri.queryParameters)
+      ..['_h5_t'] = DateTime.now().millisecondsSinceEpoch.toString();
+
+    return uri
+        .replace(
+          scheme: 'https',
+          host: canonicalWebHost,
+          queryParameters: queryParameters,
+        )
+        .toString();
+  }
+
+  static Uri _removeShellParams(Uri uri) {
     final queryParameters = Map<String, String>.from(uri.queryParameters);
     queryParameters.remove('flutter_shell');
     queryParameters.remove('shell_cache_bust');
@@ -39,14 +74,22 @@ class AppConfig {
     fragmentParameters.remove('shell_app_name');
     fragmentParameters.remove('shell_app_logo');
 
-    return uri
-        .replace(
-          queryParameters: queryParameters,
-          fragment: fragmentParameters.isEmpty
-              ? ''
-              : Uri(queryParameters: fragmentParameters).query,
-        )
-        .toString();
+    return uri.replace(
+      queryParameters: queryParameters,
+      fragment: fragmentParameters.isEmpty
+          ? ''
+          : Uri(queryParameters: fragmentParameters).query,
+    );
+  }
+
+  static bool _hasShellParams(Uri uri) {
+    final fragmentParameters = Uri.splitQueryString(uri.fragment);
+    return uri.queryParameters.containsKey('flutter_shell') ||
+        uri.queryParameters.containsKey('shell_cache_bust') ||
+        uri.queryParameters.containsKey('shell_app_name') ||
+        uri.queryParameters.containsKey('shell_app_logo') ||
+        fragmentParameters.containsKey('shell_app_name') ||
+        fragmentParameters.containsKey('shell_app_logo');
   }
 
   static String _normalizeHomeUrl(String host) {