如何在flutter中绕过SSL证书验证?
错误:握手异常:客户端握手错误(操作系统错误:CERTIFICATE_VERIFY_FAILED:自签名证书(handshake.cc:345)
您似乎使用的是自签名证书,操作系统不信任该证书。您可以按照以下步骤将其设置为受信任:
通过以下方式创建一个覆盖
HttpOverrides
的类:
class MyHttpOverrides extends HttpOverrides {
@override
HttpClient createHttpClient(SecurityContext? context) {
return super.createHttpClient(context)
..badCertificateCallback = (X509Certificate cert, String host, int port) {
//add your certificate verification logic here
return true;
};
}
}
然后,在您的 main 方法中,实例化您的类并将其设置为全局 HttpOverride:
HttpOverrides.global = MyHttpOverrides();
如果
badCertificateCallback
返回 true
它将接受所有不良证书;如果返回 false 它将拒绝错误的证书。
您需要配置 HttpService 以与自签名 SSL 本地服务器一起使用。像这样:
import 'dart:io';
import 'dart:convert';
class HttpService {
Future<dynamic> sendRequestToServer(dynamic model, String reqType, bool isTokenHeader, String token) async {
HttpClient client = new HttpClient();
client.badCertificateCallback =((X509Certificate cert, String host, int port) => true);
HttpClientRequest request = await client.postUrl(Uri.parse("https://${serverConstants.serverUrl}$reqType"));
request.headers.set('Content-Type', 'application/json');
if(isTokenHeader){
request.headers.set('Authorization', 'Bearer $token');
}
request.add(utf8.encode(jsonEncode(model)));
HttpClientResponse result = await request.close();
if(result.statusCode == 200) {
return jsonDecode(await result.transform(utf8.decoder)
.join());
} else {
return null;
}
}
}
从这里阅读更多内容。