深圳网站建设公司麦,服务推广软文范例,企业网站开发步骤,网页背景图片适合网页最近在对接外部接口时遇到返回的图片所在的服务器全都没有ssl证书#xff0c;导致在前端直接用img标签展示时图片开裂。于是转为通过后端获取#xff0c;绕过ssl验证之后转为base64返回。记录一下代码段。
package com.sy.ai.common.utils;import cn.hutool.core.codec.Base… 最近在对接外部接口时遇到返回的图片所在的服务器全都没有ssl证书导致在前端直接用img标签展示时图片开裂。于是转为通过后端获取绕过ssl验证之后转为base64返回。记录一下代码段。
package com.sy.ai.common.utils;import cn.hutool.core.codec.Base64Encoder;
import lombok.extern.slf4j.Slf4j;import javax.net.ssl.HostnameVerifier;
import javax.net.ssl.HttpsURLConnection;
import javax.net.ssl.SSLSession;
import java.io.ByteArrayOutputStream;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.URL;
Slf4j
public class ImageUtil {public static String imageUrlToBase64(String imgUrl){URL url null;InputStream is null;ByteArrayOutputStream outStream null;HttpURLConnection httpUrl null;try {// 忽略ssltrustAllHttpsCertificates();HostnameVerifier hv new HostnameVerifier() {Overridepublic boolean verify(String s, SSLSession sslSession) {return true;}};HttpsURLConnection.setDefaultHostnameVerifier(hv);url new URL(imgUrl);httpUrl (HttpURLConnection) url.openConnection();// 连接超时httpUrl.setConnectTimeout(10000);// 读取超时、服务器响应慢httpUrl.setReadTimeout(10000);httpUrl.connect();is httpUrl.getInputStream();outStream new ByteArrayOutputStream();byte[] buffer new byte[1024];int len 0;while((len is.read(buffer)) ! -1){outStream.write(buffer,0, len);}return data:image/png;base64, encode(outStream.toByteArray());} catch (Exception e) {e.printStackTrace();}return null;}public static String encode(byte[] image) {return Base64Encoder.encode(image);}private static void trustAllHttpsCertificates() throws Exception {javax.net.ssl.TrustManager[] trustAllCerts new javax.net.ssl.TrustManager[1];javax.net.ssl.TrustManager tm new miTM();trustAllCerts[0] tm;javax.net.ssl.SSLContext sc javax.net.ssl.SSLContext.getInstance(SSL);sc.init(null, trustAllCerts, null);javax.net.ssl.HttpsURLConnection.setDefaultSSLSocketFactory(sc.getSocketFactory());}static class miTM implements javax.net.ssl.TrustManager, javax.net.ssl.X509TrustManager {Overridepublic java.security.cert.X509Certificate[] getAcceptedIssuers() {return null;}public boolean isServerTrusted(java.security.cert.X509Certificate[] certs) {return true;}public boolean isClientTrusted(java.security.cert.X509Certificate[] certs) {return true;}Overridepublic void checkServerTrusted(java.security.cert.X509Certificate[] certs, String authType)throws java.security.cert.CertificateException {return;}Overridepublic void checkClientTrusted(java.security.cert.X509Certificate[] certs, String authType)throws java.security.cert.CertificateException {return;}}
}
