上传工程

TangCheng

2025-02-28 d787e447e95c7b897c2cc9c0e832f8d2e5084934

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package com.smtaiserver.smtaiserver.session; 
 
import java.util.Collections; 
import java.util.List; 
import java.util.regex.Matcher; 
import java.util.regex.Pattern; 
 
import javax.servlet.http.HttpServletRequest; 
import javax.servlet.http.HttpServletResponse; 
 
import org.springframework.session.web.http.CookieHttpSessionIdResolver; 
import org.springframework.session.web.http.DefaultCookieSerializer; 
import org.springframework.session.web.http.HttpSessionIdResolver; 
 
import com.smtservlet.util.SMTStatic; 
 
import org.springframework.session.web.http.CookieSerializer.CookieValue; 
 
public class HSWaterNetSessionResolver implements HttpSessionIdResolver { 
 
    private static final String WRITTEN_SESSION_ID_ATTR = CookieHttpSessionIdResolver.class.getName() 
            .concat(".WRITTEN_SESSION_ID_ATTR"); 
 
    private Pattern _patQueryStringToken = Pattern.compile("\\b?sessionid=([^&]+)"); 
    private boolean _useHeader = false; 
    private boolean _useCookie = false; 
    private String headerName = "x-auth-token"; 
    private String urlParamName = "websessionid"; 
    private DefaultCookieSerializer cookieSerializer = null; 
     
    public HSWaterNetSessionResolver(String sessionName, boolean useHeader, boolean useCookie) 
    { 
        if(!useHeader && !useCookie) 
            throw new RuntimeException("can't set use head and use cookie all false"); 
        _useHeader = useHeader; 
        _useCookie = useCookie; 
        headerName = sessionName; 
         
        if(_useCookie) 
        { 
            cookieSerializer = new DefaultCookieSerializer(); 
            cookieSerializer.setCookieName(sessionName); 
        } 
    } 
 
    @Override 
    public List<String> resolveSessionIds(HttpServletRequest request)  
    { 
        String requestURI = request.getRequestURI(); 
         
        if(!"/login".equals(requestURI)) 
        { 
            // 如果存在url,则使用 
            String urlParam = request.getQueryString(); 
            if(!SMTStatic.isNullOrEmpty(urlParam)) 
            { 
                Matcher m = _patQueryStringToken.matcher(urlParam); 
                if(m.find()) 
                { 
                    String sessionKey = m.group(1); 
                    return Collections.singletonList(sessionKey); 
                } 
            } 
             
            // 如果存在头信息，则使用 
            if(_useHeader) 
            { 
                String urlValue = request.getParameter(urlParamName); 
                if(!SMTStatic.isNullOrEmpty(urlValue)) 
                    return Collections.singletonList(urlValue); 
                 
                String headerValue = request.getHeader(this.headerName); 
                if(!SMTStatic.isNullOrEmpty(headerValue)) 
                    return Collections.singletonList(headerValue); 
                 
                if(!_useCookie) 
                    return  Collections.emptyList(); 
            } 
             
            // 如果不存在则使用cookie 
            return this.cookieSerializer.readCookieValues(request); 
        } 
        else 
        { 
            return  Collections.emptyList(); 
        } 
    } 
 
    @Override 
    public void setSessionId(HttpServletRequest request, HttpServletResponse response, String sessionId)  
    { 
        // 设置头的session id 
        if(_useHeader) 
        { 
            response.setHeader(this.headerName, sessionId); 
        } 
         
        // 设置cookie的session id  
        if(_useCookie) 
        { 
            if (sessionId.equals(request.getAttribute(WRITTEN_SESSION_ID_ATTR))) { 
                return; 
            } 
            request.setAttribute(WRITTEN_SESSION_ID_ATTR, sessionId); 
            this.cookieSerializer.writeCookieValue(new CookieValue(request, response, sessionId)); 
        } 
    } 
 
    @Override 
    public void expireSession(HttpServletRequest request, HttpServletResponse response)  
    { 
        // 清空头session 
        if(_useHeader) 
        { 
            response.setHeader(this.headerName, ""); 
        } 
         
        // 清空cookie 
        if(_useCookie) 
        { 
            this.cookieSerializer.writeCookieValue(new CookieValue(request, response, "")); 
        } 
    } 
}