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@@ -1,237 +0,0 @@
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-/*
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- * Copyright 2002-2013 the original author or authors.
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- *
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- * Licensed under the Apache License, Version 2.0 (the "License");
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- * you may not use this file except in compliance with the License.
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- * You may obtain a copy of the License at
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- *
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- * http://www.apache.org/licenses/LICENSE-2.0
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- *
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- * Unless required by applicable law or agreed to in writing, software
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- * distributed under the License is distributed on an "AS IS" BASIS,
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- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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- * See the License for the specific language governing permissions and
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- * limitations under the License.
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- */
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-package org.springframework.security.web.authentication.ui;
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-
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-import java.io.IOException;
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-
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-import javax.servlet.FilterChain;
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-import javax.servlet.ServletException;
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-import javax.servlet.ServletRequest;
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-import javax.servlet.ServletResponse;
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-import javax.servlet.http.HttpServletRequest;
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-import javax.servlet.http.HttpServletResponse;
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-import javax.servlet.http.HttpSession;
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-
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-import org.springframework.security.core.AuthenticationException;
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-import org.springframework.security.web.WebAttributes;
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-import org.springframework.security.web.csrf.CsrfToken;
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-import org.springframework.web.filter.GenericFilterBean;
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-
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-/**
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- * This class generates a default login page if one was not specified.
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- *
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- * @author Rob Winch
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- * @since 3.2
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- */
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-public class DefaultLoginPageViewFilter extends GenericFilterBean {
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- private String loginPageUrl;
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- private String logoutSuccessUrl;
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- private String failureUrl;
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- private boolean formLoginEnabled;
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- private boolean openIdEnabled;
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- private String authenticationUrl;
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- private String usernameParameter;
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- private String passwordParameter;
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- private String rememberMeParameter;
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- private String openIDauthenticationUrl;
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- private String openIDusernameParameter;
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- private String openIDrememberMeParameter;
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-
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- public boolean isEnabled() {
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- return formLoginEnabled || openIdEnabled;
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- }
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-
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- public void setLogoutSuccessUrl(String logoutSuccessUrl) {
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- this.logoutSuccessUrl = logoutSuccessUrl;
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- }
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-
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- public String getLoginPageUrl() {
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- return loginPageUrl;
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- }
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-
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- public void setLoginPageUrl(String loginPageUrl) {
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- this.loginPageUrl = loginPageUrl;
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- }
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-
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- public void setFailureUrl(String failureUrl) {
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- this.failureUrl = failureUrl;
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- }
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-
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- public void setFormLoginEnabled(boolean formLoginEnabled) {
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- this.formLoginEnabled = formLoginEnabled;
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- }
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-
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- public void setOpenIdEnabled(boolean openIdEnabled) {
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- this.openIdEnabled = openIdEnabled;
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- }
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-
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- public void setAuthenticationUrl(String authenticationUrl) {
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- this.authenticationUrl = authenticationUrl;
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- }
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-
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- public void setUsernameParameter(String usernameParameter) {
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- this.usernameParameter = usernameParameter;
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- }
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-
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- public void setPasswordParameter(String passwordParameter) {
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- this.passwordParameter = passwordParameter;
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- }
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-
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- public void setRememberMeParameter(String rememberMeParameter) {
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- this.rememberMeParameter = rememberMeParameter;
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- this.openIDrememberMeParameter = rememberMeParameter;
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- }
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-
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- public void setOpenIDauthenticationUrl(String openIDauthenticationUrl) {
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- this.openIDauthenticationUrl = openIDauthenticationUrl;
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- }
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-
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- public void setOpenIDusernameParameter(String openIDusernameParameter) {
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- this.openIDusernameParameter = openIDusernameParameter;
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- }
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-
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- public void doFilter(ServletRequest req, ServletResponse res, FilterChain chain)
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- throws IOException, ServletException {
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- HttpServletRequest request = (HttpServletRequest) req;
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- HttpServletResponse response = (HttpServletResponse) res;
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-
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- boolean loginError = isErrorPage(request);
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- boolean logoutSuccess = isLogoutSuccess(request);
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- if (isLoginUrlRequest(request) || loginError || logoutSuccess) {
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- String loginPageHtml = generateLoginPageHtml(request, loginError, logoutSuccess);
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- response.setContentType("text/html;charset=UTF-8");
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- response.setContentLength(loginPageHtml.length());
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- response.getWriter().write(loginPageHtml);
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-
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- return;
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- }
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-
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- chain.doFilter(request, response);
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- }
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-
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- private String generateLoginPageHtml(HttpServletRequest request, boolean loginError, boolean logoutSuccess) {
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- String errorMsg = "none";
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-
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- if (loginError) {
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- HttpSession session = request.getSession(false);
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-
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- if(session != null) {
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- AuthenticationException ex = (AuthenticationException) session.getAttribute(WebAttributes.AUTHENTICATION_EXCEPTION);
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- errorMsg = ex != null ? ex.getMessage() : "none";
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- }
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- }
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-
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- StringBuilder sb = new StringBuilder();
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-
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- sb.append("<html><head><title>Login Page</title></head>");
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-
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- if (formLoginEnabled) {
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- sb.append("<body onload='document.f.").append(usernameParameter).append(".focus();'>\n");
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- }
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-
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- if (loginError) {
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- sb.append("<p><font color='red'>Your login attempt was not successful, try again.<br/><br/>Reason: ");
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- sb.append(errorMsg);
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- sb.append("</font></p>");
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- }
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-
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- if (logoutSuccess) {
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- sb.append("<p><font color='green'>You have been logged out</font></p>");
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- }
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-
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- if (formLoginEnabled) {
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- sb.append("<h3>Login with Username and Password</h3>");
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- sb.append("<form name='f' action='").append(request.getContextPath()).append(authenticationUrl).append("' method='POST'>\n");
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- sb.append(" <table>\n");
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- sb.append(" <tr><td>User:</td><td><input type='text' name='");
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- sb.append(usernameParameter).append("' value='").append("'></td></tr>\n");
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- sb.append(" <tr><td>Password:</td><td><input type='password' name='").append(passwordParameter).append("'/></td></tr>\n");
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-
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- if (rememberMeParameter != null) {
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- sb.append(" <tr><td><input type='checkbox' name='").append(rememberMeParameter).append("'/></td><td>Remember me on this computer.</td></tr>\n");
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- }
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-
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- sb.append(" <tr><td colspan='2'><input name=\"submit\" type=\"submit\" value=\"Login\"/></td></tr>\n");
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- renderHiddenInputs(sb, request);
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- sb.append(" </table>\n");
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- sb.append("</form>");
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- }
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-
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- if(openIdEnabled) {
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- sb.append("<h3>Login with OpenID Identity</h3>");
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- sb.append("<form name='oidf' action='").append(request.getContextPath()).append(openIDauthenticationUrl).append("' method='POST'>\n");
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- sb.append(" <table>\n");
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- sb.append(" <tr><td>Identity:</td><td><input type='text' size='30' name='");
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- sb.append(openIDusernameParameter).append("'/></td></tr>\n");
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-
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- if (openIDrememberMeParameter != null) {
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- sb.append(" <tr><td><input type='checkbox' name='").append(openIDrememberMeParameter).append("'></td><td>Remember me on this computer.</td></tr>\n");
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- }
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-
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- sb.append(" <tr><td colspan='2'><input name=\"submit\" type=\"submit\" value=\"Login\"/></td></tr>\n");
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- sb.append(" </table>\n");
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- renderHiddenInputs(sb, request);
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- sb.append("</form>");
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- }
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-
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- sb.append("</body></html>");
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-
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- return sb.toString();
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- }
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-
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- private void renderHiddenInputs(StringBuilder sb, HttpServletRequest request) {
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- CsrfToken token = (CsrfToken) request.getAttribute(CsrfToken.class.getName());
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-
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- if(token != null) {
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- sb.append(" <input name=\""+ token.getParameterName() +"\" type=\"hidden\" value=\""+ token.getToken() +"\" />\n");
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- }
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- }
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-
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- private boolean isLogoutSuccess(HttpServletRequest request) {
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- return logoutSuccessUrl != null && matches(request, logoutSuccessUrl);
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- }
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-
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- private boolean isLoginUrlRequest(HttpServletRequest request) {
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- return matches(request, loginPageUrl);
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- }
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-
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- private boolean isErrorPage(HttpServletRequest request) {
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- return matches(request, failureUrl);
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- }
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-
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- private boolean matches(HttpServletRequest request, String url) {
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- if(!"GET".equals(request.getMethod()) || url == null) {
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- return false;
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- }
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- String uri = request.getRequestURI();
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- int pathParamIndex = uri.indexOf(';');
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-
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- if (pathParamIndex > 0) {
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- // strip everything after the first semi-colon
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- uri = uri.substring(0, pathParamIndex);
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- }
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-
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- if(request.getQueryString() != null) {
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- uri += "?" + request.getQueryString();
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- }
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-
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- if ("".equals(request.getContextPath())) {
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- return uri.endsWith(url);
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- }
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-
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- return uri.endsWith(request.getContextPath() + url);
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- }
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-}
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Rob Winch