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@ -3,6 +3,8 @@ package awesome.group; |
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import jakarta.servlet.http.HttpServletRequest; |
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import jakarta.servlet.http.HttpServletResponse; |
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import java.net.InetAddress; |
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import java.net.UnknownHostException; |
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import java.util.HashMap; |
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import java.util.Map; |
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@ -47,4 +49,42 @@ public class RequestContext { |
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THREAD_LOCAL.remove(); |
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} |
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public static String getIpAddr(HttpServletRequest request) { |
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String ipAddress = null; |
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try { |
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ipAddress = request.getHeader("x-forwarded-for"); |
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if (ipAddress == null || ipAddress.length() == 0 || "unknown".equalsIgnoreCase(ipAddress)) { |
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ipAddress = request.getHeader("Proxy-Client-IP"); |
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} |
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if (ipAddress == null || ipAddress.length() == 0 || "unknown".equalsIgnoreCase(ipAddress)) { |
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ipAddress = request.getHeader("WL-Proxy-Client-IP"); |
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} |
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if (ipAddress == null || ipAddress.length() == 0 || "unknown".equalsIgnoreCase(ipAddress)) { |
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ipAddress = request.getRemoteAddr(); |
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if (ipAddress.equals("127.0.0.1")) { |
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// 根据网卡取本机配置的IP
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InetAddress inet = null; |
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try { |
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inet = InetAddress.getLocalHost(); |
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} catch (UnknownHostException e) { |
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e.printStackTrace(); |
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} |
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ipAddress = inet.getHostAddress(); |
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} |
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} |
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// 对于通过多个代理的情况,第一个IP为客户端真实IP,多个IP按照','分割
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if (ipAddress != null && ipAddress.length() > 15) { // "***.***.***.***".length()
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// = 15
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if (ipAddress.indexOf(",") > 0) { |
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ipAddress = ipAddress.substring(0, ipAddress.indexOf(",")); |
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} |
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} |
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} catch (Exception e) { |
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ipAddress=""; |
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} |
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// ipAddress = this.getRequest().getRemoteAddr();
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return ipAddress; |
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} |
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} |
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