feat: add trojan link support to Proxy Configuration URL validation

fe-app-podkop/src/validators/index.ts

@@ -8,3 +8,4 @@ export * from './bulkValidate';
 export * from './validateShadowsocksUrl';
 export * from './validateVlessUrl';
 export * from './validateOutboundJson';
+export * from './validateTrojanUrl';

fe-app-podkop/src/validators/validateTrojanUrl.ts

@@ -0,0 +1,26 @@
+import { ValidationResult } from './types';
+
+// TODO refactor current validation and add tests
+export function validateTrojanUrl(url: string): ValidationResult {
+  if (!url.startsWith('trojan://')) {
+    return {
+      valid: false,
+      message: 'Invalid Trojan URL: must start with trojan://',
+    };
+  }
+
+  try {
+    const parsedUrl = new URL(url);
+
+    if (!parsedUrl.username || !parsedUrl.hostname || !parsedUrl.port) {
+      return {
+        valid: false,
+        message: 'Invalid Trojan URL: must contain username, hostname and port',
+      };
+    }
+  } catch (e) {
+    return { valid: false, message: 'Invalid Trojan URL: parsing failed' };
+  }
+
+  return { valid: true, message: 'Valid' };
+}