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.PasswordHash;
25 public class LoginPage extends Page {
27 public class LoginForm extends Form {
29 public LoginForm(HttpServletRequest hsr) {
34 public boolean submit(PrintWriter out, HttpServletRequest req) throws GigiApiException {
40 protected void outputContent(PrintWriter out, Language l, Map<String, Object> vars) {
41 getDefaultTemplate().output(out, l, vars);
46 public static final String LOGIN_RETURNPATH = "login-returnpath";
48 public LoginPage(String title) {
53 public void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOException {
54 new LoginForm(req).output(resp.getWriter(), getLanguage(req), new HashMap<String, Object>());
58 public boolean beforeTemplate(HttpServletRequest req, HttpServletResponse resp) throws IOException {
59 String redir = (String) req.getSession().getAttribute(LOGIN_RETURNPATH);
60 if (req.getSession().getAttribute("loggedin") == null) {
61 X509Certificate cert = getCertificateFromRequest(req);
63 tryAuthWithCertificate(req, cert);
65 if (req.getMethod().equals("POST")) {
67 Form.getForm(req, LoginForm.class).submit(resp.getWriter(), req);
68 } catch (GigiApiException e) {
73 if (req.getSession().getAttribute("loggedin") != null) {
76 if ( !s.startsWith("/")) {
81 resp.sendRedirect("/");
89 public boolean needsLogin() {
93 private void tryAuthWithUnpw(HttpServletRequest req) {
94 String un = req.getParameter("username");
95 String pw = req.getParameter("password");
96 GigiPreparedStatement ps = DatabaseConnection.getInstance().prepare("SELECT `password`, `id` FROM `users` WHERE `email`=? AND verified='1'");
98 GigiResultSet rs = ps.executeQuery();
100 String dbHash = rs.getString(1);
101 String hash = PasswordHash.verifyHash(pw, dbHash);
103 if ( !hash.equals(dbHash)) {
104 GigiPreparedStatement gps = DatabaseConnection.getInstance().prepare("UPDATE `users` SET `password`=? WHERE `email`=?");
105 gps.setString(1, hash);
106 gps.setString(2, un);
109 loginSession(req, User.getById(rs.getInt(2)));
110 req.getSession().setAttribute(LOGIN_METHOD, "Password");
116 public static User getUser(HttpServletRequest req) {
117 return (User) req.getSession().getAttribute(USER);
120 private void tryAuthWithCertificate(HttpServletRequest req, X509Certificate x509Certificate) {
121 String serial = extractSerialFormCert(x509Certificate);
122 User user = fetchUserBySerial(serial);
126 loginSession(req, user);
127 req.getSession().setAttribute(CERT_SERIAL, serial);
128 req.getSession().setAttribute(CERT_ISSUER, x509Certificate.getIssuerDN());
129 req.getSession().setAttribute(LOGIN_METHOD, "Certificate");
132 public static String extractSerialFormCert(X509Certificate x509Certificate) {
133 return x509Certificate.getSerialNumber().toString(16).toUpperCase();
136 public static User fetchUserBySerial(String serial) {
137 GigiPreparedStatement ps = DatabaseConnection.getInstance().prepare("SELECT `memid` FROM `certs` WHERE `serial`=? AND `disablelogin`='0' AND `revoked` is NULL");
138 ps.setString(1, serial);
139 GigiResultSet rs = ps.executeQuery();
142 user = User.getById(rs.getInt(1));
148 public static X509Certificate getCertificateFromRequest(HttpServletRequest req) {
149 X509Certificate[] cert = (X509Certificate[]) req.getAttribute("javax.servlet.request.X509Certificate");
150 X509Certificate uc = null;
151 if (cert != null && cert[0] != null) {
157 private static final Group LOGIN_BLOCKED = Group.getByString("blockedlogin");
159 private void loginSession(HttpServletRequest req, User user) {
160 if (user.isInGroup(LOGIN_BLOCKED)) {
163 req.getSession().invalidate();
164 HttpSession hs = req.getSession();
165 hs.setAttribute(LOGGEDIN, true);
166 hs.setAttribute(Language.SESSION_ATTRIB_NAME, user.getPreferredLocale());
167 hs.setAttribute(USER, user);
171 public boolean isPermitted(User u) {