okhttp3去掉https证书校验获取数据或者加载图片-优快云博客

本文介绍如何在OkHttp中去除HTTPS证书校验，包括创建信任所有证书的OkHttpClient实例，以及在Fresco图片加载库中应用此方法，确保不受证书限制的网络请求。

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1、获取去掉https的证书校验的OkHttpClient:

1、

/**
     * 获取OkHttpClient
     *
     * @return OkHttpClient
     */
    public static OkHttpClient getUnsafeOkHttpClient() {

        try {
            final TrustManager[] trustAllCerts = new TrustManager[]{
                    new X509TrustManager() {
                        @Override
                        public void checkClientTrusted(java.security.cert.X509Certificate[] chain, String authType) {
                        }

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

                        @Override
                        public java.security.cert.X509Certificate[] getAcceptedIssuers() {
                            return new java.security.cert.X509Certificate[]{};
                        }
                    }
            };

            final SSLContext sslContext = SSLContext.getInstance("SSL");
            sslContext.init(null, trustAllCerts, new java.security.SecureRandom());
            final javax.net.ssl.SSLSocketFactory sslSocketFactory = sslContext.getSocketFactory();
            OkHttpClient.Builder builder = new OkHttpClient.Builder();
            builder.sslSocketFactory(sslSocketFactory);

            builder.hostnameVerifier(new HostnameVerifier() {
                @Override
                public boolean verify(String hostname, SSLSession session) {
                    return true;
                }
            });

            return builder.build();
        } catch (Exception e) {
            throw new RuntimeException(e);
        }

    }

2、其他使用就跟okhttp3使用没差别。

3、在fresco图片加载库中引入去掉okhttps证书校验的方法：在初始化fresco时，网络加载库使用okhttp3去掉证书校验即可：

 ImagePipelineConfig.Builder builder = OkHttpImagePipelineConfigFactory
                .newBuilder(AppUtils.getContext(), HttpURLConnectionUtil.getUnsafeOkHttpClient());
        //BitmapConfig。默认使用RGB_565。该格式对png无效
        Bitmap.Config bitmapConfig = Bitmap.Config.RGB_565;
        builder.setBitmapsConfig(bitmapConfig);
        //内存控制为最大1/8
        builder.setBitmapMemoryCacheParamsSupplier(
                new BitmapMemoryCacheParamsSupplier((ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE)));

        Fresco.initialize(AppUtils.getContext(), builder.build());