Update app.py

app.py

@@ -34,21 +34,34 @@ def extract_and_transform_proxies(input_text):
             name = proxy.get('name', '').strip()
             server = proxy.get('server', '').strip()
             port = str(proxy.get('port', '')).strip()
-            cipher = proxy.get('cipher', '').strip()
-            password = proxy.get('password', '').strip()
-            udp = 'true' if proxy.get('udp') in [True, 'true', 'True'] else 'false'
+            
+            ss_parts = [f"{name} = ss, {server}, {port}"]
+            
+            if 'cipher' in proxy:
+                ss_parts.append(f"encrypt-method={proxy['cipher'].strip()}")
+            if 'password' in proxy:
+                ss_parts.append(f"password={proxy['password'].strip()}")
+            if 'udp' in proxy:
+                ss_parts.append(f"udp-relay={'true' if proxy['udp'] in [True, 'true', 'True'] else 'false'}")
 
-            transformed = f"{name} = ss, {server}, {port}, encrypt-method={cipher}, password={password}, udp-relay={udp}"
+            transformed = ", ".join(ss_parts)
             transformed_proxies.append(transformed)
+
         elif proxy.get('type') == 'trojan':
             name = proxy.get('name', '').strip()
             server = proxy.get('server', '').strip()
             port = str(proxy.get('port', '')).strip()
-            password = proxy.get('password', '').strip()
-            sni = proxy.get('sni', '').strip()
-            skip_cert_verify = str(proxy.get('skip-cert-verify', '')).lower()
+            
+            trojan_parts = [f"{name} = trojan, {server}, {port}"]
+            
+            if 'password' in proxy:
+                trojan_parts.append(f"password={proxy['password'].strip()}")
+            if 'sni' in proxy:
+                trojan_parts.append(f"sni={proxy['sni'].strip()}")
+            if 'skip-cert-verify' in proxy:
+                trojan_parts.append(f"skip-cert-verify={str(proxy['skip-cert-verify']).lower()}")
 
-            transformed = f"{name} = trojan, {server}, {port}, password={password}, sni={sni}, skip-cert-verify={skip_cert_verify}"
+            transformed = ", ".join(trojan_parts)
             transformed_proxies.append(transformed)
 
     return "\n".join(transformed_proxies) if transformed_proxies else "未找到有效的SS或Trojan代理配置"