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网站导航条用什么做,北京效果好的网站推广,深圳市房地产信息网查询系统,如何用个人电脑做网站前言 在下在做微服务相关内容，要配置一下dubbo的管理工具，偏偏又遇到bug。。。 果然码农是不会一帆风顺的。 参考资料 dubbo-admin管理平台搭建 正式配置 注意点1： 值得注意的是， 文章中引用的是当时旧版本的incubator-du…

前言

在下在做微服务相关内容，要配置一下dubbo的管理工具，偏偏又遇到bug。。。
果然码农是不会一帆风顺的。

参考资料

dubbo-admin管理平台搭建

正式配置

注意点1：
值得注意的是，
文章中引用的是当时旧版本的incubator-dubbo项目，而新版本的是没有dubbo-admin的，如下：
这里写图片描述

所以，旧版本在这里：
incubator-dubbo 2.5.x

这里写图片描述

注意点2：
在下用的是idea，下载完以后，导入，然后可以看到：
这里写图片描述

针对admin模块配置运行规则，如下：
这里写图片描述

好了，然后编译运行，你会发现：
这里写图片描述

…无限重复

AuthorizationValve of uri

这玩意，然后搜索文件你会看到：
这里写图片描述

这里写图片描述

这就是原因了，不停redirect登录界面。。。
经过调试你会发现：
这里写图片描述
这个玩意明明已经输出到response要登录了，但还是在本线程内无限循环，
这里写图片描述
所以要强制跳出循环才行。

…经过本人细心验证及求证，然后将代码改到亲生父母都认不得，最后发现了一个问题。
代码如下：

/** Licensed to the Apache Software Foundation (ASF) under one or more* contributor license agreements.  See the NOTICE file distributed with* this work for additional information regarding copyright ownership.* The ASF licenses this file to You under the Apache License, Version 2.0* (the "License"); you may not use this file except in compliance with* the License.  You may obtain a copy of the License at**     http://www.apache.org/licenses/LICENSE-2.0** Unless required by applicable law or agreed to in writing, software* distributed under the License is distributed on an "AS IS" BASIS,* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.* See the License for the specific language governing permissions and* limitations under the License.*/
package com.alibaba.dubbo.governance.web.common.interceptor;import com.alibaba.citrus.service.pipeline.Pipeline;
import com.alibaba.citrus.service.pipeline.PipelineContext;
import com.alibaba.citrus.service.pipeline.support.AbstractValve;
import com.alibaba.dubbo.common.logger.Logger;
import com.alibaba.dubbo.common.logger.LoggerFactory;
import com.alibaba.dubbo.common.utils.StringUtils;
import com.alibaba.dubbo.governance.service.UserService;
import com.alibaba.dubbo.governance.web.util.WebConstants;
import com.alibaba.dubbo.registry.common.domain.User;
import com.alibaba.dubbo.registry.common.util.Coder;import org.springframework.beans.factory.annotation.Autowired;import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.InputStream;
import java.util.HashMap;
import java.util.Map;
import java.util.UUID;
import java.util.regex.Matcher;
import java.util.regex.Pattern;public class AuthorizationValve extends AbstractValve {private static final Logger logger = LoggerFactory.getLogger(AuthorizationValve.class);private static final String BASIC_CHALLENGE = "Basic";private static final String DIGEST_CHALLENGE = "Digest";private static final String CHALLENGE = BASIC_CHALLENGE;private static final String REALM = User.REALM;private static Pattern PARAMETER_PATTERN = Pattern.compile("(\\w+)=[\"]?([^,\"]+)[\"]?[,]?\\s*");@Autowiredprivate HttpServletRequest request;@Autowiredprivate HttpServletResponse response;@Autowiredprivate UserService userService;private String logout = "/logout";private String logoutCookie = "logout";static Map<String, String> parseParameters(String query) {Matcher matcher = PARAMETER_PATTERN.matcher(query);Map<String, String> map = new HashMap<String, String>();while (matcher.find()) {String key = matcher.group(1);String value = matcher.group(2);map.put(key, value);}return map;}static byte[] readToBytes(InputStream in) throws IOException {byte[] buf = new byte[in.available()];in.read(buf);return buf;}@Overrideprotected void init() throws Exception {}public void invoke(PipelineContext pipelineContext) throws Exception {if (logger.isInfoEnabled()) {logger.info("AuthorizationValve of uri: " + request.getRequestURI());}
//        if(1==1){
//            pipelineContext.invokeNext();
//            return;
//        }System.out.println("pipeline 序号："+pipelineContext.index()+" pipeline状态");System.out.println("is finish："+pipelineContext.isFinished());System.out.println("is broken："+pipelineContext.isBroken());System.out.println("game over 标识为："+pipelineContext.getAttribute("game_over"));String uri = request.getRequestURI();String contextPath = request.getContextPath();if (contextPath != null && contextPath.length() > 0 && !"/".equals(contextPath)) {uri = uri.substring(contextPath.length());}if (uri.equals(logout)) {if (!isLogout()) {setLogout(true);showLoginForm();} else {setLogout(false);response.sendRedirect(contextPath == null || contextPath.length() == 0 ? "/" : contextPath);}return;}//FIXMEif (!uri.startsWith("/status/")) {User user = null;String authType = null;String authorization = request.getHeader("Authorization");if (authorization != null && authorization.length() > 0) {int i = authorization.indexOf(' ');if (i >= 0) {authType = authorization.substring(0, i);String authPrincipal = authorization.substring(i + 1);if (BASIC_CHALLENGE.equalsIgnoreCase(authType)) {user = loginByBase(authPrincipal);} else if (DIGEST_CHALLENGE.equalsIgnoreCase(authType)) {user = loginByDigest(authPrincipal);}}}if (user == null || user.getUsername() == null || user.getUsername().length() == 0) {showLoginForm();
//                pipelineContext.breakPipeline(Pipeline.TOP_LABEL);
//                pipelineContext.breakPipeline(1);pipelineContext.setAttribute("game_over",true);pipelineContext.breakPipeline(1);return;}if (user != null && StringUtils.isNotEmpty(user.getUsername())) {request.getSession().setAttribute(WebConstants.CURRENT_USER_KEY, user);pipelineContext.invokeNext();}} else {pipelineContext.invokeNext();}}private User getUser(String username) {return userService.findUser(username);}private void showLoginForm() throws IOException {if(1==1){response.sendRedirect("http://www.baidu.com");return;}if (DIGEST_CHALLENGE.equals(CHALLENGE)) {response.setHeader("WWW-Authenticate", CHALLENGE + " realm=\"" + REALM + "\", qop=\"auth\", nonce=\""+ UUID.randomUUID().toString().replace("-", "") + "\", opaque=\""+ Coder.encodeMd5(REALM) + "\"");} else {response.setHeader("WWW-Authenticate", CHALLENGE + " realm=\"" + REALM + "\"");}response.setHeader("Cache-Control", "must-revalidate,no-cache,no-store");response.setHeader("Content-Type", "text/html; charset=iso-8859-1");response.sendError(HttpServletResponse.SC_UNAUTHORIZED);}private User loginByBase(String authorization) {authorization = Coder.decodeBase64(authorization);int i = authorization.indexOf(':');String username = authorization.substring(0, i);if (username != null && username.length() > 0) {String password = authorization.substring(i + 1);if (password != null && password.length() > 0) {String passwordDigest = Coder.encodeMd5(username + ":" + REALM + ":" + password);User user = getUser(username);if (user != null) {String pwd = user.getPassword();if (pwd != null && pwd.length() > 0) {if (passwordDigest.equals(pwd)) {return user;}}}}}return null;}private User loginByDigest(String value) throws IOException {Map<String, String> params = parseParameters(value);String username = params.get("username");if (username != null && username.length() > 0) {String passwordDigest = params.get("response");if (passwordDigest != null && passwordDigest.length() > 0) {User user = getUser(username);if (user != null) {String pwd = user.getPassword();// A valid user, validate passwordif (pwd != null && pwd.length() > 0) {String uri = params.get("uri");String nonce = params.get("nonce");String nc = params.get("nc");String cnonce = params.get("cnonce");String qop = params.get("qop");String method = request.getMethod();String a1 = pwd;String a2 = "auth-int".equals(qop)? Coder.encodeMd5(method + ":" + uri + ":" + Coder.encodeMd5(readToBytes(request.getInputStream()))): Coder.encodeMd5(method + ":" + uri);String digest = "auth".equals(qop) || "auth-int".equals(qop)? Coder.encodeMd5(a1 + ":" + nonce + ":" + nc + ":" + cnonce + ":" + qop + ":" + a2): Coder.encodeMd5(a1 + ":" + nonce + ":" + a2);if (digest.equals(passwordDigest)) {return user;}}}}}return null;}private boolean isLogout() {Cookie[] cookies = request.getCookies();if (cookies != null && cookies.length > 0) {for (Cookie cookie : cookies) {if (cookie != null && logoutCookie.equals(cookie.getName())) {return "true".equals(cookie.getValue());}}}return false;}private void setLogout(boolean logoutValue) {response.addCookie(new Cookie(logoutCookie, String.valueOf(logoutValue)));}
}

运行结果：

 INFO interceptor.AuthorizationValve -  [DUBBO] AuthorizationValve of uri: /, dubbo version: 2.5.10, current host: 192.168.1.190
pipeline 序号：1 pipeline状态
is finish：false
is broken：false
game over 标识为：nullINFO interceptor.AuthorizationValve -  [DUBBO] AuthorizationValve of uri: /, dubbo version: 2.5.10, current host: 192.168.1.190
pipeline 序号：1 pipeline状态
is finish：false
is broken：false
game over 标识为：nullINFO interceptor.AuthorizationValve -  [DUBBO] AuthorizationValve of uri: /, dubbo version: 2.5.10, current host: 192.168.1.190
pipeline 序号：1 pipeline状态
is finish：false
is broken：false
game over 标识为：null

好了，我不卖关子了，结果就是，showLoginForm这方法如果不是用sendRerict阻断了，这pipeline永远都运行在index=1的程度就是变成死循环，于是我们可以得出，showLoginForm这个有问题，是元凶。。
为什么是元凶？额，我没了解过webx的运行机制，说不上来，但可以改，
我们新建一个jsp页面专门用来登录即可，譬如：
login.jsp

<%@ page import="java.util.UUID" %>
<%@ page import="com.alibaba.dubbo.registry.common.util.Coder" %>
<%@ page import="com.alibaba.dubbo.registry.common.domain.User" %>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%final String BASIC_CHALLENGE = "Basic";final String DIGEST_CHALLENGE = "Digest";final String CHALLENGE = BASIC_CHALLENGE;final String REALM = User.REALM;if (DIGEST_CHALLENGE.equals(CHALLENGE)) {response.setHeader("WWW-Authenticate", CHALLENGE + " realm=\"" + REALM + "\", qop=\"auth\", nonce=\""+ UUID.randomUUID().toString().replace("-", "") + "\", opaque=\""+ Coder.encodeMd5(REALM) + "\"");} else {response.setHeader("WWW-Authenticate", CHALLENGE + " realm=\"" + REALM + "\"");}response.setHeader("Cache-Control", "must-revalidate,no-cache,no-store");response.setHeader("Content-Type", "text/html; charset=iso-8859-1");response.sendError(HttpServletResponse.SC_UNAUTHORIZED);
%>

然后，代码改为：

/** Licensed to the Apache Software Foundation (ASF) under one or more* contributor license agreements.  See the NOTICE file distributed with* this work for additional information regarding copyright ownership.* The ASF licenses this file to You under the Apache License, Version 2.0* (the "License"); you may not use this file except in compliance with* the License.  You may obtain a copy of the License at**     http://www.apache.org/licenses/LICENSE-2.0** Unless required by applicable law or agreed to in writing, software* distributed under the License is distributed on an "AS IS" BASIS,* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.* See the License for the specific language governing permissions and* limitations under the License.*/
package com.alibaba.dubbo.governance.web.common.interceptor;import com.alibaba.citrus.service.pipeline.Pipeline;
import com.alibaba.citrus.service.pipeline.PipelineContext;
import com.alibaba.citrus.service.pipeline.support.AbstractValve;
import com.alibaba.dubbo.common.logger.Logger;
import com.alibaba.dubbo.common.logger.LoggerFactory;
import com.alibaba.dubbo.common.utils.StringUtils;
import com.alibaba.dubbo.governance.service.UserService;
import com.alibaba.dubbo.governance.web.util.WebConstants;
import com.alibaba.dubbo.registry.common.domain.User;
import com.alibaba.dubbo.registry.common.util.Coder;import org.springframework.beans.factory.annotation.Autowired;import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.InputStream;
import java.util.HashMap;
import java.util.Map;
import java.util.UUID;
import java.util.regex.Matcher;
import java.util.regex.Pattern;public class AuthorizationValve extends AbstractValve {private static final Logger logger = LoggerFactory.getLogger(AuthorizationValve.class);private static final String BASIC_CHALLENGE = "Basic";private static final String DIGEST_CHALLENGE = "Digest";private static final String CHALLENGE = BASIC_CHALLENGE;private static final String REALM = User.REALM;private static Pattern PARAMETER_PATTERN = Pattern.compile("(\\w+)=[\"]?([^,\"]+)[\"]?[,]?\\s*");@Autowiredprivate HttpServletRequest request;@Autowiredprivate HttpServletResponse response;@Autowiredprivate UserService userService;private String logout = "/logout";private String logoutCookie = "logout";static Map<String, String> parseParameters(String query) {Matcher matcher = PARAMETER_PATTERN.matcher(query);Map<String, String> map = new HashMap<String, String>();while (matcher.find()) {String key = matcher.group(1);String value = matcher.group(2);map.put(key, value);}return map;}static byte[] readToBytes(InputStream in) throws IOException {byte[] buf = new byte[in.available()];in.read(buf);return buf;}@Overrideprotected void init() throws Exception {}public void invoke(PipelineContext pipelineContext) throws Exception {if (logger.isInfoEnabled()) {logger.info("AuthorizationValve of uri: " + request.getRequestURI());}
//        if(1==1){
//            pipelineContext.invokeNext();
//            return;
//        }System.out.println("pipeline 序号："+pipelineContext.index()+" pipeline状态");System.out.println("is finish："+pipelineContext.isFinished());System.out.println("is broken："+pipelineContext.isBroken());System.out.println("game over 标识为："+pipelineContext.getAttribute("game_over"));String uri = request.getRequestURI();String contextPath = request.getContextPath();if (contextPath != null && contextPath.length() > 0 && !"/".equals(contextPath)) {uri = uri.substring(contextPath.length());}if (uri.equals(logout)) {if (!isLogout()) {setLogout(true);showLoginForm();} else {setLogout(false);response.sendRedirect(contextPath == null || contextPath.length() == 0 ? "/" : contextPath);}return;}//FIXMEif (!uri.startsWith("/status/")) {User user = null;String authType = null;String authorization = request.getHeader("Authorization");if (authorization != null && authorization.length() > 0) {int i = authorization.indexOf(' ');if (i >= 0) {authType = authorization.substring(0, i);String authPrincipal = authorization.substring(i + 1);if (BASIC_CHALLENGE.equalsIgnoreCase(authType)) {user = loginByBase(authPrincipal);} else if (DIGEST_CHALLENGE.equalsIgnoreCase(authType)) {user = loginByDigest(authPrincipal);}}}if (user == null || user.getUsername() == null || user.getUsername().length() == 0) {showLoginForm();
//                pipelineContext.breakPipeline(Pipeline.TOP_LABEL);
//                pipelineContext.breakPipeline(1);pipelineContext.setAttribute("game_over",true);pipelineContext.breakPipeline(1);return;}if (user != null && StringUtils.isNotEmpty(user.getUsername())) {request.getSession().setAttribute(WebConstants.CURRENT_USER_KEY, user);pipelineContext.invokeNext();}} else {pipelineContext.invokeNext();}}private User getUser(String username) {return userService.findUser(username);}private void showLoginForm() throws IOException {if(1==1){response.sendRedirect("/login.jsp");return;}if (DIGEST_CHALLENGE.equals(CHALLENGE)) {response.setHeader("WWW-Authenticate", CHALLENGE + " realm=\"" + REALM + "\", qop=\"auth\", nonce=\""+ UUID.randomUUID().toString().replace("-", "") + "\", opaque=\""+ Coder.encodeMd5(REALM) + "\"");} else {response.setHeader("WWW-Authenticate", CHALLENGE + " realm=\"" + REALM + "\"");}response.setHeader("Cache-Control", "must-revalidate,no-cache,no-store");response.setHeader("Content-Type", "text/html; charset=iso-8859-1");response.sendError(HttpServletResponse.SC_UNAUTHORIZED);}private User loginByBase(String authorization) {authorization = Coder.decodeBase64(authorization);int i = authorization.indexOf(':');String username = authorization.substring(0, i);if (username != null && username.length() > 0) {String password = authorization.substring(i + 1);if (password != null && password.length() > 0) {String passwordDigest = Coder.encodeMd5(username + ":" + REALM + ":" + password);User user = getUser(username);if (user != null) {String pwd = user.getPassword();if (pwd != null && pwd.length() > 0) {if (passwordDigest.equals(pwd)) {return user;}}}}}return null;}private User loginByDigest(String value) throws IOException {Map<String, String> params = parseParameters(value);String username = params.get("username");if (username != null && username.length() > 0) {String passwordDigest = params.get("response");if (passwordDigest != null && passwordDigest.length() > 0) {User user = getUser(username);if (user != null) {String pwd = user.getPassword();// A valid user, validate passwordif (pwd != null && pwd.length() > 0) {String uri = params.get("uri");String nonce = params.get("nonce");String nc = params.get("nc");String cnonce = params.get("cnonce");String qop = params.get("qop");String method = request.getMethod();String a1 = pwd;String a2 = "auth-int".equals(qop)? Coder.encodeMd5(method + ":" + uri + ":" + Coder.encodeMd5(readToBytes(request.getInputStream()))): Coder.encodeMd5(method + ":" + uri);String digest = "auth".equals(qop) || "auth-int".equals(qop)? Coder.encodeMd5(a1 + ":" + nonce + ":" + nc + ":" + cnonce + ":" + qop + ":" + a2): Coder.encodeMd5(a1 + ":" + nonce + ":" + a2);if (digest.equals(passwordDigest)) {return user;}}}}}return null;}private boolean isLogout() {Cookie[] cookies = request.getCookies();if (cookies != null && cookies.length > 0) {for (Cookie cookie : cookies) {if (cookie != null && logoutCookie.equals(cookie.getName())) {return "true".equals(cookie.getValue());}}}return false;}private void setLogout(boolean logoutValue) {response.addCookie(new Cookie(logoutCookie, String.valueOf(logoutValue)));}
}

然后，在web xml中这里：

这里写图片描述

加上对jsp后缀的忽略：

这里写图片描述

这是不行的，所以：
我直接不执行这个pipeline了，

/** Licensed to the Apache Software Foundation (ASF) under one or more* contributor license agreements.  See the NOTICE file distributed with* this work for additional information regarding copyright ownership.* The ASF licenses this file to You under the Apache License, Version 2.0* (the "License"); you may not use this file except in compliance with* the License.  You may obtain a copy of the License at**     http://www.apache.org/licenses/LICENSE-2.0** Unless required by applicable law or agreed to in writing, software* distributed under the License is distributed on an "AS IS" BASIS,* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.* See the License for the specific language governing permissions and* limitations under the License.*/
package com.alibaba.dubbo.governance.web.common.interceptor;import com.alibaba.citrus.service.pipeline.Pipeline;
import com.alibaba.citrus.service.pipeline.PipelineContext;
import com.alibaba.citrus.service.pipeline.support.AbstractValve;
import com.alibaba.dubbo.common.logger.Logger;
import com.alibaba.dubbo.common.logger.LoggerFactory;
import com.alibaba.dubbo.common.utils.StringUtils;
import com.alibaba.dubbo.governance.service.UserService;
import com.alibaba.dubbo.governance.web.util.WebConstants;
import com.alibaba.dubbo.registry.common.domain.User;
import com.alibaba.dubbo.registry.common.util.Coder;import org.springframework.beans.factory.annotation.Autowired;import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.InputStream;
import java.util.HashMap;
import java.util.Map;
import java.util.UUID;
import java.util.regex.Matcher;
import java.util.regex.Pattern;public class AuthorizationValve extends AbstractValve {private static final Logger logger = LoggerFactory.getLogger(AuthorizationValve.class);private static final String BASIC_CHALLENGE = "Basic";private static final String DIGEST_CHALLENGE = "Digest";private static final String CHALLENGE = BASIC_CHALLENGE;private static final String REALM = User.REALM;private static Pattern PARAMETER_PATTERN = Pattern.compile("(\\w+)=[\"]?([^,\"]+)[\"]?[,]?\\s*");@Autowiredprivate HttpServletRequest request;@Autowiredprivate HttpServletResponse response;@Autowiredprivate UserService userService;private String logout = "/logout";private String logoutCookie = "logout";static Map<String, String> parseParameters(String query) {Matcher matcher = PARAMETER_PATTERN.matcher(query);Map<String, String> map = new HashMap<String, String>();while (matcher.find()) {String key = matcher.group(1);String value = matcher.group(2);map.put(key, value);}return map;}static byte[] readToBytes(InputStream in) throws IOException {byte[] buf = new byte[in.available()];in.read(buf);return buf;}@Overrideprotected void init() throws Exception {}public void invoke(PipelineContext pipelineContext) throws Exception {if (logger.isInfoEnabled()) {logger.info("AuthorizationValve of uri: " + request.getRequestURI());}if(1==1){return;}
//        if(1==1){
//            pipelineContext.invokeNext();
//            return;
//        }System.out.println("pipeline 序号："+pipelineContext.index()+" pipeline状态");System.out.println("is finish："+pipelineContext.isFinished());System.out.println("is broken："+pipelineContext.isBroken());System.out.println("game over 标识为："+pipelineContext.getAttribute("game_over"));String uri = request.getRequestURI();String contextPath = request.getContextPath();if (contextPath != null && contextPath.length() > 0 && !"/".equals(contextPath)) {uri = uri.substring(contextPath.length());}if (uri.equals(logout)) {if (!isLogout()) {setLogout(true);showLoginForm();} else {setLogout(false);response.sendRedirect(contextPath == null || contextPath.length() == 0 ? "/" : contextPath);}return;}//FIXMEif (!uri.startsWith("/status/")) {User user = null;String authType = null;String authorization = request.getHeader("Authorization");if (authorization != null && authorization.length() > 0) {int i = authorization.indexOf(' ');if (i >= 0) {authType = authorization.substring(0, i);String authPrincipal = authorization.substring(i + 1);if (BASIC_CHALLENGE.equalsIgnoreCase(authType)) {user = loginByBase(authPrincipal);} else if (DIGEST_CHALLENGE.equalsIgnoreCase(authType)) {user = loginByDigest(authPrincipal);}}}if (user == null || user.getUsername() == null || user.getUsername().length() == 0) {showLoginForm();
//                pipelineContext.breakPipeline(Pipeline.TOP_LABEL);
//                pipelineContext.breakPipeline(1);pipelineContext.setAttribute("game_over",true);pipelineContext.breakPipeline(1);return;}if (user != null && StringUtils.isNotEmpty(user.getUsername())) {request.getSession().setAttribute(WebConstants.CURRENT_USER_KEY, user);pipelineContext.invokeNext();}} else {pipelineContext.invokeNext();}}private User getUser(String username) {return userService.findUser(username);}private void showLoginForm() throws IOException {if(1==1){response.sendRedirect("/login.jsp");return;}if (DIGEST_CHALLENGE.equals(CHALLENGE)) {response.setHeader("WWW-Authenticate", CHALLENGE + " realm=\"" + REALM + "\", qop=\"auth\", nonce=\""+ UUID.randomUUID().toString().replace("-", "") + "\", opaque=\""+ Coder.encodeMd5(REALM) + "\"");} else {response.setHeader("WWW-Authenticate", CHALLENGE + " realm=\"" + REALM + "\"");}response.setHeader("Cache-Control", "must-revalidate,no-cache,no-store");response.setHeader("Content-Type", "text/html; charset=iso-8859-1");response.sendError(HttpServletResponse.SC_UNAUTHORIZED);}private User loginByBase(String authorization) {authorization = Coder.decodeBase64(authorization);int i = authorization.indexOf(':');String username = authorization.substring(0, i);if (username != null && username.length() > 0) {String password = authorization.substring(i + 1);if (password != null && password.length() > 0) {String passwordDigest = Coder.encodeMd5(username + ":" + REALM + ":" + password);User user = getUser(username);if (user != null) {String pwd = user.getPassword();if (pwd != null && pwd.length() > 0) {if (passwordDigest.equals(pwd)) {return user;}}}}}return null;}private User loginByDigest(String value) throws IOException {Map<String, String> params = parseParameters(value);String username = params.get("username");if (username != null && username.length() > 0) {String passwordDigest = params.get("response");if (passwordDigest != null && passwordDigest.length() > 0) {User user = getUser(username);if (user != null) {String pwd = user.getPassword();// A valid user, validate passwordif (pwd != null && pwd.length() > 0) {String uri = params.get("uri");String nonce = params.get("nonce");String nc = params.get("nc");String cnonce = params.get("cnonce");String qop = params.get("qop");String method = request.getMethod();String a1 = pwd;String a2 = "auth-int".equals(qop)? Coder.encodeMd5(method + ":" + uri + ":" + Coder.encodeMd5(readToBytes(request.getInputStream()))): Coder.encodeMd5(method + ":" + uri);String digest = "auth".equals(qop) || "auth-int".equals(qop)? Coder.encodeMd5(a1 + ":" + nonce + ":" + nc + ":" + cnonce + ":" + qop + ":" + a2): Coder.encodeMd5(a1 + ":" + nonce + ":" + a2);if (digest.equals(passwordDigest)) {return user;}}}}}return null;}private boolean isLogout() {Cookie[] cookies = request.getCookies();if (cookies != null && cookies.length > 0) {for (Cookie cookie : cookies) {if (cookie != null && logoutCookie.equals(cookie.getName())) {return "true".equals(cookie.getValue());}}}return false;}private void setLogout(boolean logoutValue) {response.addCookie(new Cookie(logoutCookie, String.valueOf(logoutValue)));}
}
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