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DefaultWebAuthenticatorImpl.java
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DefaultWebAuthenticatorImpl.java
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package org.wyona.yanel.servlet.security.impl;
import org.wyona.commons.io.MimeTypeUtil;
import org.wyona.yanel.core.map.Map;
import org.wyona.yanel.core.map.Realm;
import org.wyona.yanel.core.transformation.I18nTransformer3;
import org.wyona.yanel.servlet.YanelServlet;
import org.wyona.yanel.core.api.security.WebAuthenticator;
import org.wyona.security.core.api.AccessManagementException;
import org.wyona.security.core.ExpiredIdentityException;
import org.wyona.security.core.api.Identity;
import org.wyona.security.core.api.User;
import org.wyona.security.core.api.UserManager;
import javax.servlet.ServletException;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;
import java.net.URL;
import java.util.ArrayList;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.stream.StreamSource;
import org.w3c.dom.Element;
import org.apache.avalon.framework.configuration.Configuration;
import org.apache.avalon.framework.configuration.DefaultConfigurationBuilder;
import org.apache.log4j.Logger;
import org.apache.xml.resolver.tools.CatalogResolver;
// JOID is an alternative openid impl
/*
import org.verisign.joid.consumer.OpenIdFilter;
import org.verisign.joid.util.UrlUtils;
*/
import org.openid4java.consumer.ConsumerManager;
import org.openid4java.consumer.VerificationResult;
import org.openid4java.discovery.Discovery;
import org.openid4java.discovery.DiscoveryInformation;
import org.openid4java.discovery.Identifier;
import org.openid4java.message.AuthRequest;
import org.openid4java.message.ParameterList;
/**
* Default web authenticator implementation. This implementation can be overwritten per realm (<web-authenticator class="..."/>), see http://www.yanel.org/en/documentation/realm/realm-configuration.html
*/
public class DefaultWebAuthenticatorImpl implements WebAuthenticator {
private static Logger log = Logger.getLogger(DefaultWebAuthenticatorImpl.class);
private static String OPENID_DISCOVERED_KEY = "openid-discovered";
private static String LOGIN_DEFAULT_COOKIE_NAME = "_yanel-login-default";
private static String LOGIN_OPENID_COOKIE_NAME = "_yanel-login-openid";
private static final String LOGIN_USER_REQUEST_PARAM_NAME = "yanel.login.username";
// NOTE: The OpenID consumer manager needs to be the same instance for redirect to provider and provider verification
private ConsumerManager manager;
private boolean allowOpenIdUserCreation;
/**
* @see org.wyona.yanel.core.api.security.WebAuthenticator#init(Document, URIResolver)
*/
public void init(org.w3c.dom.Document configuration, javax.xml.transform.URIResolver resolver) throws Exception {
// TODO: commented because there is a problem with this line
//manager = new ConsumerManager();
// TODO: Make this configurable in order to prevent OpenID user creation attack
allowOpenIdUserCreation = true;
}
/**
* @see org.wyona.yanel.core.api.security.WebAuthenticator#doAuthenticate(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse, org.wyona.yanel.core.map.Map, java.lang.String, java.lang.String, java.lang.String, java.lang.String)
*/
public HttpServletResponse doAuthenticate(HttpServletRequest request, HttpServletResponse response, Map map, String reservedPrefix, String xsltLoginScreenDefault, String servletContextRealPath, String sslPort) throws ServletException, IOException {
try {
Realm realm = map.getRealm(request.getServletPath());
String path = map.getPath(realm, request.getServletPath());
//Realm realm = map.getRealm(new Path(request.getServletPath()));
if (log.isDebugEnabled()) log.debug("Generic WebAuthenticator called for realm path " + path);
HttpSession session = request.getSession(true);
// HTML Form based authentication
String loginUsername = request.getParameter(LOGIN_USER_REQUEST_PARAM_NAME);
String openID = request.getParameter("yanel.login.openid");
String openIDSignature = request.getParameter("openid.sig");
if (loginUsername != null || openID != null) {
doRememberMyLoginName(request, response, loginUsername, openID);
//boolean rememberMyLoginName = doRememberMyLoginName(request, response, loginUsername, openID);
}
if(loginUsername != null) {
try {
String loginPassword = request.getParameter("yanel.login.password");
if (loginPassword != null && authenticateUser(loginUsername, loginPassword, realm, session)) {
log.debug("Login of user '" + loginUsername + "' was successful");
doAutoLogin(request, response, loginUsername, openID, realm);
return null;
}
if (loginPassword == null) {
log.warn("No password specified yet!");
getXHTMLAuthenticationForm(request, response, realm, "Please make sure to enter password!", reservedPrefix, xsltLoginScreenDefault, servletContextRealPath, sslPort, map);
} else {
log.warn("Login failed: " + loginUsername + " (True ID: " + realm.getIdentityManager().getUserManager().getTrueId(loginUsername) + ")");
getXHTMLAuthenticationForm(request, response, realm, "Login failed!", reservedPrefix, xsltLoginScreenDefault, servletContextRealPath, sslPort, map);
}
return response;
} catch (ExpiredIdentityException e) {
log.warn("Login failed: [" + loginUsername + "], because the account has expired: " + e);
getXHTMLAuthenticationForm(request, response, realm, "The account has expired!", reservedPrefix, xsltLoginScreenDefault, servletContextRealPath, sslPort, map);
return response;
} catch (AccessManagementException e) {
log.warn("Login failed: [" + loginUsername + "]: " + e);
getXHTMLAuthenticationForm(request, response, realm, e.getMessage(), reservedPrefix, xsltLoginScreenDefault, servletContextRealPath, sslPort, map);
return response;
} catch (Exception e) {
log.warn("Login failed: [" + loginUsername + "]: " + e);
getXHTMLAuthenticationForm(request, response, realm, e.getMessage(), reservedPrefix, xsltLoginScreenDefault, servletContextRealPath, sslPort, map);
return response;
}
} else if (openID != null) {
// Append http scheme if missing
if (!openID.startsWith("http://")) {
openID = "http://" + openID;
}
String redirectUrlString = null;
try {
redirectUrlString = getOpenIDRedirectURL(openID, request, map);
response.sendRedirect(redirectUrlString);
} catch (Exception e) {
log.error(e, e);
getXHTMLAuthenticationForm(request, response, realm, "Login failed: " + e.getMessage() + "!", reservedPrefix, xsltLoginScreenDefault, servletContextRealPath, sslPort, map);
}
log.debug("Redirect URL: " + redirectUrlString);
return response;
} else if (openIDSignature != null) {
log.debug("Verify OpenID provider response ...");
if (verifyOpenIDProviderResponse(request, map)) {
UserManager uManager = realm.getIdentityManager().getUserManager();
String openIdentity = request.getParameter("openid.identity");
if (openIdentity != null) {
if (!uManager.existsUser(openIdentity) && allowOpenIdUserCreation) {
uManager.createUser(openIdentity, null, null, null);
log.warn("An OpenID user has been created: " + openIdentity);
}
User user = uManager.getUser(openIdentity);
//User user = uManager.getUser(openIdentity, true);
YanelServlet.setIdentity(new Identity(user, openIDSignature), session, realm);
// OpenID authentication successful, hence return null instead an "exceptional" response
// TODO: Do not return null (although successful), but rather strip-off all the openid query string stuff and then do a redirect
response.sendRedirect(request.getParameter("openid.return_to"));
return response;
}
log.error("No openid.identity!");
getXHTMLAuthenticationForm(request, response, realm, "OpenID verification successful, but no openid.identity!", reservedPrefix, xsltLoginScreenDefault, servletContextRealPath, sslPort, map);
} else {
getXHTMLAuthenticationForm(request, response, realm, "Login failed: OpenID response from provider could not be verified!", reservedPrefix, xsltLoginScreenDefault, servletContextRealPath, sslPort, map);
}
return response;
} else {
if (log.isDebugEnabled()) log.debug("No form based authentication request.");
}
// Check for Neutron-Auth based authentication
String yanelUsecase = request.getParameter("yanel.usecase");
if(yanelUsecase != null && yanelUsecase.equals("neutron-auth")) {
log.debug("Neutron Authentication ...");
return handleNeutronAuthAuthenticationRequest(request, response, map, reservedPrefix, xsltLoginScreenDefault, servletContextRealPath, sslPort);
}
if (log.isDebugEnabled()) log.debug("No Neutron based authentication request.");
return getUnauthenticatedResponse(request, response, map, reservedPrefix, xsltLoginScreenDefault, servletContextRealPath, sslPort);
} catch (Exception e) {
log.error(e.getMessage(), e);
throw new ServletException(e.getMessage(), e);
}
}
/**
* Do Neutron authentication
*/
private static HttpServletResponse handleNeutronAuthAuthenticationRequest(HttpServletRequest request, HttpServletResponse response, Map map, String reservedPrefix, String xsltLoginScreenDefault, String servletContextRealPath, String sslPort) throws Exception {
Realm realm = map.getRealm(request.getServletPath());
HttpSession session = request.getSession(true);
String username = null;
String password = null;
String originalRequest = null;
DefaultConfigurationBuilder builder = new DefaultConfigurationBuilder();
try {
Configuration config = builder.build(request.getInputStream());
Configuration originalRequestConfig = config.getChild("original-request");
originalRequest = originalRequestConfig.getAttribute("url", null);
Configuration[] paramConfig = config.getChildren("param");
for (int i = 0; i < paramConfig.length; i++) {
String paramName = paramConfig[i].getAttribute("name", null);
if (paramName != null) {
if (paramName.equals("username")) {
username = paramConfig[i].getValue();
} else if (paramName.equals("password")) {
password = paramConfig[i].getValue();
}
}
}
} catch(Exception e) {
log.warn(e);
}
log.debug("Username: " + username);
if (username != null) {
log.debug("Realm ID: " + realm.getID());
User user = realm.getIdentityManager().getUserManager().getUser(username, true);
if (user != null && user.authenticate(password)) {
log.info("Authentication successful: " + username);
YanelServlet.setIdentity(new Identity(user, username), session, realm);
// TODO: send some XML content, e.g. <authentication-successful/>
response.setContentType("text/plain; charset=" + YanelServlet.DEFAULT_ENCODING);
response.setStatus(HttpServletResponse.SC_OK);
if (log.isDebugEnabled()) log.debug("Neutron Authentication successful.");
PrintWriter writer = response.getWriter();
writer.print("Neutron Authentication Successful!");
return response;
}
log.warn("Neutron Authentication failed: " + username);
// TODO: Refactor this code with the one from doAuthenticate ...
log.debug("Original Request: " + originalRequest);
// TODO: Use org.wyona.neutron.XMLExceptionV1.getAuthenticationException(...)
StringBuilder sb = new StringBuilder("");
sb.append("<?xml version=\"1.0\"?>");
sb.append("<exception xmlns=\"http://www.wyona.org/neutron/1.0\" type=\"authentication\">");
sb.append("<message>Authentication failed!</message>");
sb.append("<authentication>");
// TODO: ...
sb.append("<original-request url=\"" + YanelServlet.encodeXML(originalRequest) + "\"/>");
//sb.append("<original-request url=\"" + getRequestURLQS(request, null, true) + "\"/>");
//TODO: Also support https ...
// TODO: ...
sb.append("<login url=\"" + YanelServlet.encodeXML(originalRequest) + "&yanel.usecase=neutron-auth" + "\" method=\"POST\">");
//sb.append("<login url=\"" + getRequestURLQS(request, "yanel.usecase=neutron-auth", true) + "\" method=\"POST\">");
sb.append("<form>");
sb.append("<message>Enter username and password for \"" + realm.getName() + "\" at \"" + realm.getMountPoint() + "\"</message>");
sb.append("<param description=\"Username\" name=\"username\"/>");
sb.append("<param description=\"Password\" name=\"password\"/>");
sb.append("</form>");
sb.append("</login>");
// NOTE: Needs to be a full URL, because user might switch the server ...
// TODO: ...
sb.append("<logout url=\"" + YanelServlet.encodeXML(originalRequest) + "&yanel.usecase=logout" + "\" realm=\"" + realm.getName() + "\"/>");
sb.append("</authentication>");
sb.append("</exception>");
log.debug("Neutron-Auth response: " + sb);
response.setContentType("application/xml; charset=" + YanelServlet.DEFAULT_ENCODING);
response.setStatus(javax.servlet.http.HttpServletResponse.SC_UNAUTHORIZED);
response.setHeader("WWW-Authenticate", "NEUTRON-AUTH");
PrintWriter w = response.getWriter();
w.print(sb);
return response;
}
// TODO: Refactor resp. reuse response from above ...
log.warn("Neutron Authentication failed because username is NULL!");
StringBuffer sb = new StringBuffer("");
sb.append("<?xml version=\"1.0\"?>");
sb.append("<exception xmlns=\"http://www.wyona.org/neutron/1.0\" type=\"authentication\">");
sb.append("<message>Authentication failed because no username was sent!</message>");
sb.append("<authentication>");
// TODO: ...
sb.append("<original-request url=\"" + YanelServlet.encodeXML(originalRequest) + "\"/>");
//sb.append("<original-request url=\"" + getRequestURLQS(request, null, true) + "\"/>");
//TODO: Also support https ...
// TODO: ...
sb.append("<login url=\"" + YanelServlet.encodeXML(originalRequest) + "&yanel.usecase=neutron-auth" + "\" method=\"POST\">");
//sb.append("<login url=\"" + getRequestURLQS(request, "yanel.usecase=neutron-auth", true) + "\" method=\"POST\">");
sb.append("<form>");
sb.append("<message>Enter username and password for \"" + realm.getName() + "\" at \"" + realm.getMountPoint() + "\"</message>");
sb.append("<param description=\"Username\" name=\"username\"/>");
sb.append("<param description=\"Password\" name=\"password\"/>");
sb.append("</form>");
sb.append("</login>");
// NOTE: Needs to be a full URL, because user might switch the server ...
// TODO: ...
sb.append("<logout url=\"" + YanelServlet.encodeXML(originalRequest) + "&yanel.usecase=logout" + "\" realm=\"" + realm.getName() + "\"/>");
sb.append("</authentication>");
sb.append("</exception>");
response.setContentType("application/xml; charset=" + YanelServlet.DEFAULT_ENCODING);
response.setStatus(javax.servlet.http.HttpServletResponse.SC_UNAUTHORIZED);
response.setHeader("WWW-Authenticate", "NEUTRON-AUTH");
PrintWriter writer = response.getWriter();
writer.print(sb);
return response;
}
private static boolean challengeUsingNeutronAuth(HttpServletRequest request, HttpServletResponse response, Realm realm, String sslPort) throws Exception {
String neutronVersions = request.getHeader("Neutron");
String clientSupportedAuthScheme = request.getHeader("WWW-Authenticate");
if (clientSupportedAuthScheme != null && clientSupportedAuthScheme.equals("Neutron-Auth")) {
log.debug("Neutron Versions supported by client: " + neutronVersions);
log.debug("Authentication Scheme supported by client: " + clientSupportedAuthScheme);
// TODO: Use org.wyona.neutron.XMLExceptionV1.getAuthorizationException(...)
StringBuilder sb = new StringBuilder("");
sb.append("<?xml version=\"1.0\"?>");
sb.append("<exception xmlns=\"http://www.wyona.org/neutron/1.0\" type=\"authorization\">");
sb.append("<message>Authorization denied: " + getRequestPatchedURL(request, null, true, realm) + "</message>");
sb.append("<authentication>");
sb.append("<original-request url=\"" + getRequestPatchedURL(request, null, true, realm) + "\"/>");
//TODO: Also support https ...
sb.append("<login url=\"" + getRequestPatchedURL(request, "yanel.usecase=neutron-auth", true, realm) + "\" method=\"POST\">");
sb.append("<form>");
sb.append("<message>Enter username and password for \"" + realm.getName() + "\" at \"" + realm.getMountPoint() + "\"</message>");
sb.append("<param description=\"Username\" name=\"username\"/>");
sb.append("<param description=\"Password\" name=\"password\"/>");
sb.append("</form>");
sb.append("</login>");
// NOTE: Needs to be a full URL, because user might switch the server ...
sb.append("<logout url=\"" + getRequestPatchedURL(request, "yanel.usecase=logout", true, realm) + "\" realm=\"" + realm.getName() + "\"/>");
sb.append("</authentication>");
sb.append("</exception>");
log.debug("Neutron-Auth response: " + sb);
response.setContentType("application/xml; charset=" + YanelServlet.DEFAULT_ENCODING);
response.setStatus(javax.servlet.http.HttpServletResponse.SC_UNAUTHORIZED);
response.setHeader("WWW-Authenticate", "NEUTRON-AUTH");
PrintWriter w = response.getWriter();
w.print(sb);
return true;
}
return false;
}
/**
*
*/
private HttpServletResponse getUnauthenticatedResponse(HttpServletRequest request, HttpServletResponse response, Map map, String reservedPrefix, String xsltLoginScreenDefault, String servletContextRealPath, String sslPort) throws Exception {
Realm realm = map.getRealm(request.getServletPath());
log.warn("No credentials specified yet!");
// Check if this is a neutron request, a Sunbird/Calendar request or just a common GET request
// Also see e-mail about recognizing a WebDAV request: http://lists.w3.org/Archives/Public/w3c-dist-auth/2006AprJun/0064.html
if (challengeUsingNeutronAuth(request, response, realm, sslPort)) {
} else if (request.getRequestURI().endsWith(".ics")) {
log.warn("Somebody seems to ask for a Calendar (ICS) ...");
response.setHeader("WWW-Authenticate", "BASIC realm=\"" + realm.getName() + "\"");
response.sendError(HttpServletResponse.SC_UNAUTHORIZED);
} else {
getXHTMLAuthenticationForm(request, response, realm, null, reservedPrefix, xsltLoginScreenDefault, servletContextRealPath, sslPort, map);
}
return response;
/*
if (log.isDebugEnabled()) log.debug("TODO: Was this authentication request really necessary!");
return null;
*/
}
/**
* Custom XHTML Form for authentication
* @param xsltLoginScreenDefault Path of default XSLT
* @param message Information or error message
*/
public void getXHTMLAuthenticationForm(HttpServletRequest request, HttpServletResponse response, Realm realm, String message, String reservedPrefix, String xsltLoginScreenDefault, String servletContextRealPath, String sslPort, Map map) throws ServletException, IOException {
// TODO: Enhance with global resource, which will make it more flexible
if(log.isDebugEnabled()) log.debug("Default authentication form implementation!");
try {
org.w3c.dom.Document adoc = generateAuthenticationScreenXML(request, realm, message, sslPort, map);
String yanelFormat = request.getParameter("yanel.login.format");
if(yanelFormat != null && yanelFormat.equals("xml")) {
response.setContentType("application/xml; charset=" + YanelServlet.DEFAULT_ENCODING);
//OutputStream out = response.getOutputStream();
javax.xml.transform.TransformerFactory.newInstance().newTransformer().transform(new javax.xml.transform.dom.DOMSource(adoc), new javax.xml.transform.stream.StreamResult(response.getOutputStream()));
//out.close();
} else {
String mimeType = YanelServlet.patchMimeType("application/xhtml+xml", request);
response.setContentType(mimeType + "; charset=" + YanelServlet.DEFAULT_ENCODING);
response.setStatus(javax.servlet.http.HttpServletResponse.SC_UNAUTHORIZED);
response.setHeader("WWW-Authenticate", "BASIC realm=\"" + realm.getName() + "\"");
File realmDir = realm.getRootDir();
if (realmDir == null) realmDir = new File(realm.getConfigFile().getParent());
File xsltLoginScreen = org.wyona.commons.io.FileUtil.file(realmDir.getAbsolutePath(), "src" + File.separator + "webapp" + File.separator + xsltLoginScreenDefault);
if (!xsltLoginScreen.isFile()) xsltLoginScreen = org.wyona.commons.io.FileUtil.file(servletContextRealPath, xsltLoginScreenDefault);
Transformer transformer = TransformerFactory.newInstance().newTransformer(new StreamSource(xsltLoginScreen));
String pathRelativeToRealm = request.getServletPath().replaceFirst(realm.getMountPoint(),"/"); // INFO: For example "/en/index.html"
transformer.setParameter("yanel.path", pathRelativeToRealm);
//log.debug("Path relative to realm: " + pathRelativeToRealm);
String backToRealm = org.wyona.yanel.core.util.PathUtil.backToRealm(pathRelativeToRealm);
transformer.setParameter("yanel.back2realm", backToRealm);
transformer.setParameter("yanel.reservedPrefix", reservedPrefix);
String browserLanguage = getBrowserLanguage(request);
if (browserLanguage != null) {
transformer.setParameter("language", browserLanguage); // INFO: resource.getRequestedLanguage()
}
String contentLang = getContentLanguage(pathRelativeToRealm);
if (contentLang != null) {
transformer.setParameter("content-language", contentLang); // INFO: resource.getContentLanguage()
}
if (contentLang != null || browserLanguage != null || realm.getDefaultLanguage() != null) {
// INFO: Create i18n transformer:
javax.xml.transform.URIResolver resolver = new org.wyona.yanel.core.source.YanelRepositoryResolver(realm);
I18nTransformer3 i18nTransformer = new I18nTransformer3(getI18NCatalogueNames(realm), contentLang, browserLanguage, realm.getDefaultLanguage(), resolver);
CatalogResolver catalogResolver = new CatalogResolver();
i18nTransformer.setEntityResolver(catalogResolver);
org.apache.xml.serializer.Serializer serializer;
if (MimeTypeUtil.isHTML(mimeType) && ! MimeTypeUtil.isXML(mimeType)) {
serializer = org.wyona.yanel.core.serialization.SerializerFactory.getSerializer(org.wyona.yanel.core.serialization.SerializerFactory.HTML_TRANSITIONAL);
} else {
serializer = org.wyona.yanel.core.serialization.SerializerFactory.getSerializer(org.wyona.yanel.core.serialization.SerializerFactory.XHTML_STRICT);
}
serializer.setOutputStream(response.getOutputStream());
i18nTransformer.setResult(new javax.xml.transform.sax.SAXResult(serializer.asContentHandler()));
transformer.transform(new javax.xml.transform.dom.DOMSource(adoc), new javax.xml.transform.sax.SAXResult(i18nTransformer));
} else {
log.warn("No content, nor browser, nor default language, hence do not use i18n...");
transformer.transform(new javax.xml.transform.dom.DOMSource(adoc), new javax.xml.transform.stream.StreamResult(response.getWriter()));
}
}
} catch (Exception e) {
log.error(e.getMessage(), e);
throw new ServletException(e.getMessage());
}
}
/**
* Patch request with proxy settings re realm configuration
*/
private static String getRequestURLQS(HttpServletRequest request, String addQS, boolean xml, Map map) {
try {
Realm realm = map.getRealm(request.getServletPath());
// TODO: Handle this exception more gracefully!
if (realm == null) log.error("No realm found for path " +request.getServletPath());
return getRequestPatchedURL(request, addQS, xml, realm);
} catch (Exception e) {
log.error(e);
return null;
}
}
/**
* XXX REFACTORME: Once the proxy settings exist independently from the Realm API, we should
* extract this method and use a "proxy settings object" as parameter instead of a Realm.
*/
private static String getRequestPatchedURL(HttpServletRequest request, String addQS, boolean xml, Realm realm) {
String proxyHostName = realm.getProxyHostName();
int proxyPort = realm.getProxyPort();
String proxyPrefix = realm.getProxyPrefix();
boolean isProxySet = realm.isProxySet();
try {
URL url = null;
url = new URL(request.getRequestURL().toString());
//if(proxyHostName != null || proxyPort >= null || proxyPrefix != null) {
if(isProxySet) {
if (proxyHostName != null) {
url = new URL(url.getProtocol(), proxyHostName, url.getPort(), url.getFile());
}
if (proxyPort >= 0) {
url = new URL(url.getProtocol(), url.getHost(), proxyPort, url.getFile());
} else {
url = new URL(url.getProtocol(), url.getHost(), url.getDefaultPort(), url.getFile());
}
if (proxyPrefix != null) {
url = new URL(url.getProtocol(), url.getHost(), url.getPort(), url.getFile().substring(proxyPrefix.length()));
}
//log.debug("Proxy enabled for this realm resp. request: " + realm + ", " + url);
} else {
//log.debug("No proxy set for this realm resp. request: " + realm + ", " + url);
}
String urlQS = url.toString();
if (request.getQueryString() != null) {
urlQS = urlQS + "?" + request.getQueryString();
if (addQS != null) urlQS = urlQS + "&" + addQS;
} else {
if (addQS != null) urlQS = urlQS + "?" + addQS;
}
if (xml) urlQS = urlQS.replaceAll("&", "&");
if(log.isDebugEnabled()) log.debug("Request: " + urlQS);
return urlQS;
} catch (Exception e) {
log.error(e);
return null;
}
}
// Using openid4java library
/**
* Get OpenID redirect URL (to the OpenID provider). Also see http://code.google.com/p/openid4java/wiki/Documentation and particularly http://code.google.com/p/openid4java/wiki/SampleConsumer
*/
private String getOpenIDRedirectURL(String openID, HttpServletRequest request, Map map) throws Exception {
String returnToUrlString = getRequestURLQS(request, null, false, map);
Identifier identifier = Discovery.parseIdentifier(openID);
java.util.List discoveries = new Discovery().discover(identifier);
DiscoveryInformation discovered = null;
try {
discovered = manager.associate(discoveries);
} catch(Exception e) {
log.warn(e, e);
}
if (discovered == null) {
throw new Exception("OpenID DiscoverInfo is null");
}
request.getSession(true).setAttribute(OPENID_DISCOVERED_KEY, discovered);
AuthRequest authReq = manager.authenticate(discovered, returnToUrlString);
return authReq.getDestinationUrl(true);
}
// Using JOID library
/*
private String getOpenIDRedirectURL(String openID, HttpServletRequest request, Map map) throws Exception {
String returnToUrlString = UrlUtils.getFullUrl(request);
log.debug("After successful authentication return to: " + returnToUrlString);
String redirectUrlString = OpenIdFilter.joid().getAuthUrl(openID, returnToUrlString, returnToUrlString);
log.debug("OpenID Provider URL: " + redirectUrlString);
return redirectUrlString;
}
*/
/**
* Verify OpenID provider response
*/
private boolean verifyOpenIDProviderResponse (HttpServletRequest request, Map map) throws Exception {
ParameterList responseParas = new ParameterList(request.getParameterMap());
DiscoveryInformation discovered = (DiscoveryInformation) request.getSession().getAttribute(OPENID_DISCOVERED_KEY);
String receivingURL = getRequestURLQS(request, null, false, map);
log.debug("Receiving URL: " + receivingURL);
VerificationResult verification = manager.verify(receivingURL.toString(), responseParas, discovered);
Identifier verified = verification.getVerifiedId();
if (verified != null) {
/*
AuthSuccess authSuccess = (AuthSuccess) verification.getAuthResponse();
if (authSuccess.hasExtension(AxMessage.OPENID_NS_AX)) {
FetchResponse fetchResp = (FetchResponse) authSuccess.getExtension(AxMessage.OPENID_NS_AX);
List emails = fetchResp.getAttributeValues("email");
String email = (String) emails.get(0);
}
*/
return true;
}
return false;
}
/*
// TODO: src/org/verisign/joid/consumer/JoidConsumer.java
// see AuthenticationResult result = joid.authenticate(convertToStringValueMap(servletRequest.getParameterMap())); (src/org/verisign/joid/consumer/OpenIdFilter.java)
// https://127.0.0.1:8443/yanel/foaf/login.html?openid.sig=2%2FjpOdpJpEMfibrb9v9OHuzm0kg%3D&openid.mode=id_res&openid.return_to=https%3A%2F%2F127.0.0.1%3A8443%2Fyanel%2Ffoaf%2Flogin.html&openid.identity=http%3A%2F%2Fopenid.claimid.com%2Fmichi&openid.signed=identity%2Creturn_to%2Cmode&openid.assoc_handle=%7BHMAC-SHA1%7D%7B47967654%7D%7BB8gYrw%3D%3D%7D
*/
/**
* Handle "auto login"
*/
private static boolean doAutoLogin(HttpServletRequest request, HttpServletResponse response, String loginUsername, String openID, Realm realm) throws Exception {
if (request.getParameter("auto-login") != null) {
AutoLogin.enableAutoLogin(loginUsername, request, response, realm);
return true;
} else {
log.debug("Ignore auto login...");
return false;
}
}
/**
* Handle "remember my login"
*/
private static boolean doRememberMyLoginName(HttpServletRequest request, HttpServletResponse response, String loginUsername, String openID) {
boolean rememberMyLoginName = false;
if (request.getParameter("remember-my-login-name") != null) {
log.debug("Remember my login name: " + loginUsername + "," + openID);
rememberMyLoginName = true;
Cookie rememberLoginNameCookie = null;
// TODO: Add realm as additional information
if (loginUsername != null) {
rememberLoginNameCookie = new Cookie(LOGIN_DEFAULT_COOKIE_NAME, loginUsername);
} else if (openID != null) {
rememberLoginNameCookie = new Cookie(LOGIN_OPENID_COOKIE_NAME, openID);
} else {
log.warn("Neither default nor OpenID login!");
}
if (rememberLoginNameCookie != null) {
rememberLoginNameCookie.setPath(request.getContextPath());
rememberLoginNameCookie.setMaxAge(86400); // 1 day is 86400 seconds
response.addCookie(rememberLoginNameCookie);
}
} else {
log.debug("Do NOT remember my login name: " + loginUsername + "," + openID);
rememberMyLoginName = false;
// Unset Login Cookies (http://java.sun.com/j2ee/sdk_1.3/techdocs/api/javax/servlet/http/Cookie.html#setMaxAge(int))
Cookie rememberLoginDefaultCookie = new Cookie(LOGIN_DEFAULT_COOKIE_NAME, "");
rememberLoginDefaultCookie.setMaxAge(0); // Expire it immediately
response.addCookie(rememberLoginDefaultCookie);
Cookie rememberLoginOpenIDCookie = new Cookie(LOGIN_OPENID_COOKIE_NAME, "");
rememberLoginOpenIDCookie.setMaxAge(0); // Expire it immediately
response.addCookie(rememberLoginOpenIDCookie);
}
return rememberMyLoginName;
}
/**
* Default authentication. Overwrite this method in order to implement a custom user authentication.
*
* @param username Login username, which might be an alias
* @param password Plain text password
* @param realm Realm
* @param session HTTP session
*
* @return true if authentication was successful and else false
*/
protected boolean authenticateUser(String username, String password, Realm realm, HttpSession session) throws Exception {
return authenticate(username, password, realm, session);
}
/**
* Default authentication. WARN: This method is used by realms/konakart-yanel-realm/res-types/shared/src/java/org/wyona/yanel/resources/konakart/shared/SharedResource.java, whereas it was probably a mistake to make this method public! Do not use it, but rather implement a custom web authenticator.
*
* @param username Login username, which might be an alias
* @param password Plain text password
* @param realm Realm
* @param session HTTP session
*
* @return true if authentication was successful and else false
*/
public static boolean authenticate(String username, String password, Realm realm, HttpSession session) throws Exception {
String trueId = realm.getIdentityManager().getUserManager().getTrueId(username);
User user = realm.getIdentityManager().getUserManager().getUser(trueId, true);
if (user != null && user.authenticate(password)) {
log.debug("Realm: " + realm);
YanelServlet.setIdentity(new Identity(user, username), session, realm);
log.warn("Authentication was successful for user: " + user.getID());
log.warn("TODO: Add user to session listener!");
return true;
} else {
log.warn("Authentication failed for user: " + username + " (Realm: " + realm.getName() + ")");
}
return false;
}
/**
* Generate XML of authentication/login screen
* @param request
* @param realm
* @param message Error message, e.g. "Login failed"
* @param sslPort
* @param map
*/
protected org.w3c.dom.Document generateAuthenticationScreenXML(HttpServletRequest request, Realm realm, String message, String sslPort, Map map) throws Exception {
log.debug("Generate authentication screen XML...");
org.w3c.dom.Document adoc = YanelServlet.getDocument(YanelServlet.NAMESPACE, "yanel-auth-screen");
Element rootElement = adoc.getDocumentElement();
if (message != null) {
Element messageElement = (Element) rootElement.appendChild(adoc.createElementNS(YanelServlet.NAMESPACE, "message"));
messageElement.appendChild(adoc.createTextNode(message));
}
Element requestElement = (Element) rootElement.appendChild(adoc.createElementNS(YanelServlet.NAMESPACE, "request"));
requestElement.setAttributeNS(YanelServlet.NAMESPACE, "urlqs", getRequestURLQS(request, null, true, map));
if (request.getQueryString() != null) {
requestElement.setAttributeNS(YanelServlet.NAMESPACE, "qs", request.getQueryString().replaceAll("&", "&"));
}
Element realmElement = (Element) rootElement.appendChild(adoc.createElementNS(YanelServlet.NAMESPACE, "realm"));
realmElement.setAttributeNS(YanelServlet.NAMESPACE, "name", realm.getName());
realmElement.setAttributeNS(YanelServlet.NAMESPACE, "mount-point", realm.getMountPoint().toString());
String currentUserId = null;
Identity identity = YanelServlet.getIdentity(request.getSession(true), realm);
if (identity != null) {
currentUserId = identity.getUsername();
//log.debug("Identity from session: " + identity);
} else {
//log.debug("Session contains no identity yet.");
}
if (currentUserId != null) {
Element userElement = (Element) rootElement.appendChild(adoc.createElementNS(YanelServlet.NAMESPACE, "user"));
userElement.setAttributeNS(YanelServlet.NAMESPACE, "id", currentUserId);
}
Element sslElement = (Element) rootElement.appendChild(adoc.createElementNS(YanelServlet.NAMESPACE, "ssl"));
if(sslPort != null) {
sslElement.setAttributeNS(YanelServlet.NAMESPACE, "status", "ON");
} else {
sslElement.setAttributeNS(YanelServlet.NAMESPACE, "status", "OFF");
}
Cookie[] cookies = request.getCookies();
if (cookies != null) { // INFO: Check cookies if login name was set to be remembered
for (int i = 0; i < cookies.length; i++) {
log.debug("Cookie: " + cookies[i].getName() + ", " + cookies[i].getValue());
// TODO: Parse realm and login name (see method doRememberMyLoginName())
if (cookies[i].getName().equals(LOGIN_DEFAULT_COOKIE_NAME)) {
Element loginDefaultElement = (Element) rootElement.appendChild(adoc.createElementNS(YanelServlet.NAMESPACE, "login-default"));
loginDefaultElement.setAttributeNS(YanelServlet.NAMESPACE, "username", cookies[i].getValue());
} else if (cookies[i].getName().equals(LOGIN_OPENID_COOKIE_NAME)) {
Element loginOpenIDElement = (Element) rootElement.appendChild(adoc.createElementNS(YanelServlet.NAMESPACE, "login-openid"));
loginOpenIDElement.setAttributeNS(YanelServlet.NAMESPACE, "openid", cookies[i].getValue());
}
}
}
String loginUsername = request.getParameter(LOGIN_USER_REQUEST_PARAM_NAME); // INFO: Check request parameter for login name
if (loginUsername != null) {
Element presetLoginElement = (Element) rootElement.appendChild(adoc.createElementNS(YanelServlet.NAMESPACE, "login-preset"));
presetLoginElement.setAttributeNS(YanelServlet.NAMESPACE, "username", loginUsername);
}
return adoc;
}
/**
* Get content language from path
* @param path Path such as for example "/en/index.html"
* @return two-letter language code, e.g. "en"
*/
private String getContentLanguage(String path) {
if (path.length() >= 3 && path.charAt(0) == '/' && path.charAt(3) == '/') {
return path.substring(1,3);
} else {
log.warn("No two-letter language code detected inside: " + path);
return null;
}
}
/**
* Gets the names of the i18n message catalogues used for the i18n transformation.
* Uses the following priorization:
* 1. realm i18n-catalogue
* 2. 'global'
* @return i18n catalogue name
*/
private String[] getI18NCatalogueNames(Realm realm) throws Exception {
ArrayList<String> catalogues = new ArrayList<String>();
String realmCatalogue = realm.getI18nCatalogue();
if (realmCatalogue != null) {
catalogues.add(realmCatalogue);
}
catalogues.add("global");
return catalogues.toArray(new String[catalogues.size()]);
}
/**
* Get language accepted by browser
*/
private String getBrowserLanguage(HttpServletRequest request) {
String language = request.getHeader("Accept-Language");
if (language != null) {
if (language.indexOf(",") > 0) {
language = language.substring(0, language.indexOf(","));
}
int dashIndex = language.indexOf("-");
if (dashIndex > 0) {
language = language.substring(0, dashIndex);
}
return language;
}
return null;
}
}