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📄 資料內容

@Configuration

public class OkHttpConfig {



    @Bean

    public RestTemplate restTemplate() throws Exception {

        // 1. 定義繞過憑證的 TrustManager

        X509TrustManager trustManager = new X509TrustManager() {

            @Override public void checkClientTrusted(X509Certificate[] chain, String authType) {}

            @Override public void checkServerTrusted(X509Certificate[] chain, String authType) {}

            @Override public X509Certificate[] getAcceptedIssuers() { return new X509Certificate[]{}; }

        };



        // 2. 建立 SSLContext

        SSLContext sslContext = SSLContext.getInstance("TLS");

        sslContext.init(null, new TrustManager[]{trustManager}, new SecureRandom());



        // 3. 建立 OkHttpClient 並配置連線池

        OkHttpClient okHttpClient = new OkHttpClient.Builder()

                .sslSocketFactory(sslContext.getSocketFactory(), trustManager)

                .hostnameVerifier((hostname, session) -> true) // 繞過 Hostname 驗證

                .connectionPool(new ConnectionPool(50, 5, TimeUnit.MINUTES)) // 最大 50 個閒置連線

                .connectTimeout(5, TimeUnit.SECONDS)

                .readTimeout(10, TimeUnit.SECONDS)

                .build();



        // 4. 將 OkHttp 封裝進 RestTemplate

        return new RestTemplate(new OkHttp3ClientHttpRequestFactory(okHttpClient));

    }

}

🔐 Base64 編碼內容

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