1 package org.cacert.gigi.pages;
3 import static org.cacert.gigi.Gigi.*;
5 import java.io.IOException;
6 import java.io.PrintWriter;
7 import java.security.cert.X509Certificate;
8 import java.util.HashMap;
11 import javax.servlet.http.HttpServletRequest;
12 import javax.servlet.http.HttpServletResponse;
13 import javax.servlet.http.HttpSession;
15 import org.cacert.gigi.GigiApiException;
16 import org.cacert.gigi.database.DatabaseConnection;
17 import org.cacert.gigi.database.GigiPreparedStatement;
18 import org.cacert.gigi.database.GigiResultSet;
19 import org.cacert.gigi.dbObjects.Group;
20 import org.cacert.gigi.dbObjects.User;
21 import org.cacert.gigi.localisation.Language;
22 import org.cacert.gigi.output.template.Form;
23 import org.cacert.gigi.util.AuthorizationContext;
24 import org.cacert.gigi.util.PasswordHash;
25 import org.cacert.gigi.util.ServerConstants;
27 public class LoginPage extends Page {
29 public class LoginForm extends Form {
31 public LoginForm(HttpServletRequest hsr) {
36 public boolean submit(PrintWriter out, HttpServletRequest req) throws GigiApiException {
42 protected void outputContent(PrintWriter out, Language l, Map<String, Object> vars) {
43 getDefaultTemplate().output(out, l, vars);
48 public static final String LOGIN_RETURNPATH = "login-returnpath";
50 public LoginPage(String title) {
55 public void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOException {
56 if (req.getHeader("Host").equals(ServerConstants.getSecureHostNamePort())) {
57 resp.getWriter().println(getLanguage(req).getTranslation("Authentication with certificate failed. Try another certificate or use a password."));
59 new LoginForm(req).output(resp.getWriter(), getLanguage(req), new HashMap<String, Object>());
64 public boolean beforeTemplate(HttpServletRequest req, HttpServletResponse resp) throws IOException {
65 String redir = (String) req.getSession().getAttribute(LOGIN_RETURNPATH);
66 if (req.getSession().getAttribute("loggedin") == null) {
67 X509Certificate cert = getCertificateFromRequest(req);
69 tryAuthWithCertificate(req, cert);
71 if (req.getMethod().equals("POST")) {
73 Form.getForm(req, LoginForm.class).submit(resp.getWriter(), req);
74 } catch (GigiApiException e) {
79 if (req.getSession().getAttribute("loggedin") != null) {
82 if ( !s.startsWith("/")) {
87 resp.sendRedirect("/");
95 public boolean needsLogin() {
99 private void tryAuthWithUnpw(HttpServletRequest req) {
100 String un = req.getParameter("username");
101 String pw = req.getParameter("password");
102 GigiPreparedStatement ps = DatabaseConnection.getInstance().prepare("SELECT `password`, `id` FROM `users` WHERE `email`=? AND verified='1'");
104 GigiResultSet rs = ps.executeQuery();
106 String dbHash = rs.getString(1);
107 String hash = PasswordHash.verifyHash(pw, dbHash);
109 if ( !hash.equals(dbHash)) {
110 GigiPreparedStatement gps = DatabaseConnection.getInstance().prepare("UPDATE `users` SET `password`=? WHERE `email`=?");
111 gps.setString(1, hash);
112 gps.setString(2, un);
115 loginSession(req, User.getById(rs.getInt(2)));
116 req.getSession().setAttribute(LOGIN_METHOD, "Password");
122 public static User getUser(HttpServletRequest req) {
123 AuthorizationContext ac = getAuthorizationContext(req);
127 return ac.getActor();
130 public static AuthorizationContext getAuthorizationContext(HttpServletRequest req) {
131 return ((AuthorizationContext) req.getSession().getAttribute(AUTH_CONTEXT));
134 private void tryAuthWithCertificate(HttpServletRequest req, X509Certificate x509Certificate) {
135 String serial = extractSerialFormCert(x509Certificate);
136 User user = fetchUserBySerial(serial);
140 loginSession(req, user);
141 req.getSession().setAttribute(CERT_SERIAL, serial);
142 req.getSession().setAttribute(CERT_ISSUER, x509Certificate.getIssuerDN());
143 req.getSession().setAttribute(LOGIN_METHOD, "Certificate");
146 public static String extractSerialFormCert(X509Certificate x509Certificate) {
147 return x509Certificate.getSerialNumber().toString(16).toUpperCase();
150 public static User fetchUserBySerial(String serial) {
151 if ( !serial.matches("[A-Fa-f0-9]+")) {
152 throw new Error("serial malformed.");
154 GigiPreparedStatement ps = DatabaseConnection.getInstance().prepare("SELECT `memid` FROM `certs` WHERE `serial`=? AND `disablelogin`='0' AND `revoked` is NULL");
155 ps.setString(1, serial.toLowerCase());
156 GigiResultSet rs = ps.executeQuery();
159 user = User.getById(rs.getInt(1));
161 System.out.println("User with serial " + serial + " not found.");
167 public static X509Certificate getCertificateFromRequest(HttpServletRequest req) {
168 X509Certificate[] cert = (X509Certificate[]) req.getAttribute("javax.servlet.request.X509Certificate");
169 X509Certificate uc = null;
170 if (cert != null && cert[0] != null) {
176 private static final Group LOGIN_BLOCKED = Group.getByString("blockedlogin");
178 private void loginSession(HttpServletRequest req, User user) {
179 if (user.isInGroup(LOGIN_BLOCKED)) {
182 req.getSession().invalidate();
183 HttpSession hs = req.getSession();
184 hs.setAttribute(LOGGEDIN, true);
185 hs.setAttribute(Language.SESSION_ATTRIB_NAME, user.getPreferredLocale());
186 hs.setAttribute(AUTH_CONTEXT, new AuthorizationContext(user, user));
190 public boolean isPermitted(AuthorizationContext ac) {