Merge pull request #492 from DanXi-Dev/webvpn-examlist-fix

fix: 403 issue in ExamList page temporarily by deleting some cookies

Author: ivanfei-1

lib/repository/cookie/independent_cookie_jar.dart

@@ -192,4 +192,21 @@ class IndependentCookieJar implements CookieJar {
 
   @override
   final bool ignoreExpires;
+
+  void deleteCookiesByName(String name) {
+    for (final domain in hostCookies.keys) {
+      final cookies = hostCookies[domain]!;
+      for (final path in cookies.keys) {
+        final values = cookies[path]!;
+        values.remove(name);
+      }
+    }
+    for (final domain in domainCookies.keys) {
+      final cookies = domainCookies[domain]!;
+      for (final path in cookies.keys) {
+        final values = cookies[path]!;
+        values.remove(name);
+      }
+    }
+  }
 }

lib/repository/fdu/uis_login_tool.dart

@@ -120,6 +120,9 @@ class UISLoginTool {
     workDio.interceptors.add(CookieManager(workJar));
     workDio.interceptors.add(DioLogInterceptor());
 
+    // fixme: workaround by deleting `CASTGC` cookie before requesting the UIS page
+    // See https://github.com/DanXi-Dev/DanXi/issues/491 for details.
+    workJar.deleteCookiesByName("CASTGC");
     Map<String?, String?> data = {};
     Response<String> res = await workDio.get(serviceUrl);
     BeautifulSoup(res.data!).findAll("input").forEach((element) {