package org.cacert.gigi.pages;
-import static org.cacert.gigi.Gigi.LOGGEDIN;
-import static org.cacert.gigi.Gigi.USER;
+import static org.cacert.gigi.Gigi.*;
import java.io.IOException;
+import java.io.PrintWriter;
import java.security.cert.X509Certificate;
-import java.sql.PreparedStatement;
-import java.sql.ResultSet;
-import java.sql.SQLException;
+import java.util.HashMap;
+import java.util.Map;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
-import org.cacert.gigi.User;
+import org.cacert.gigi.GigiApiException;
import org.cacert.gigi.database.DatabaseConnection;
+import org.cacert.gigi.database.GigiPreparedStatement;
+import org.cacert.gigi.database.GigiResultSet;
+import org.cacert.gigi.dbObjects.Group;
+import org.cacert.gigi.dbObjects.User;
+import org.cacert.gigi.localisation.Language;
+import org.cacert.gigi.output.template.Form;
+import org.cacert.gigi.util.AuthorizationContext;
import org.cacert.gigi.util.PasswordHash;
public class LoginPage extends Page {
- public static final String LOGIN_RETURNPATH = "login-returnpath";
-
- public LoginPage(String title) {
- super(title);
- }
-
- @Override
- public void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOException {
- resp.getWriter().println(
- "<form method='POST' action='/login'>" + "<input type='text' name='username'>"
- + "<input type='password' name='password'> <input type='submit' value='login'></form>");
- }
-
- @Override
- public boolean beforeTemplate(HttpServletRequest req, HttpServletResponse resp) throws IOException {
- String redir = (String) req.getSession().getAttribute(LOGIN_RETURNPATH);
- if (req.getSession().getAttribute("loggedin") == null) {
- X509Certificate[] cert = (X509Certificate[]) req.getAttribute("javax.servlet.request.X509Certificate");
- if (cert != null && cert[0] != null) {
- tryAuthWithCertificate(req, cert[0]);
- }
- if (req.getMethod().equals("POST")) {
- tryAuthWithUnpw(req);
- }
- }
-
- if (req.getSession().getAttribute("loggedin") != null) {
- String s = redir;
- if (s != null) {
- if (!s.startsWith("/")) {
- s = "/" + s;
- }
- resp.sendRedirect(s);
- } else {
- resp.sendRedirect("/");
- }
- return true;
- }
- return false;
- }
-
- @Override
- public boolean needsLogin() {
- return false;
- }
-
- private void tryAuthWithUnpw(HttpServletRequest req) {
- String un = req.getParameter("username");
- String pw = req.getParameter("password");
- try {
- PreparedStatement ps = DatabaseConnection.getInstance().prepare(
- "SELECT `password`, `id` FROM `users` WHERE `email`=? AND locked='0' AND verified='1'");
- ps.setString(1, un);
- ResultSet rs = ps.executeQuery();
- if (rs.next()) {
- if (PasswordHash.verifyHash(pw, rs.getString(1))) {
- req.getSession().invalidate();
- HttpSession hs = req.getSession();
- hs.setAttribute(LOGGEDIN, true);
- hs.setAttribute(USER, new User(rs.getInt(2)));
- }
- }
- rs.close();
- } catch (SQLException e) {
- e.printStackTrace();
- }
- }
-
- public static User getUser(HttpServletRequest req) {
- return (User) req.getSession().getAttribute(USER);
- }
-
- private void tryAuthWithCertificate(HttpServletRequest req, X509Certificate x509Certificate) {
- String serial = x509Certificate.getSerialNumber().toString(16).toUpperCase();
- try {
- PreparedStatement ps = DatabaseConnection.getInstance().prepare(
- "SELECT `memid` FROM `emailcerts` WHERE `serial`=? AND `disablelogin`='0' AND `revoked` = "
- + "'0000-00-00 00:00:00'");
- ps.setString(1, serial);
- ResultSet rs = ps.executeQuery();
- if (rs.next()) {
- req.getSession().invalidate();
- HttpSession hs = req.getSession();
- hs.setAttribute(LOGGEDIN, true);
- hs.setAttribute(USER, new User(rs.getInt(1)));
- }
- rs.close();
- } catch (SQLException e) {
- e.printStackTrace();
- }
- }
+
+ public class LoginForm extends Form {
+
+ public LoginForm(HttpServletRequest hsr) {
+ super(hsr);
+ }
+
+ @Override
+ public boolean submit(PrintWriter out, HttpServletRequest req) throws GigiApiException {
+ tryAuthWithUnpw(req);
+ return false;
+ }
+
+ @Override
+ protected void outputContent(PrintWriter out, Language l, Map<String, Object> vars) {
+ getDefaultTemplate().output(out, l, vars);
+ }
+
+ }
+
+ public static final String LOGIN_RETURNPATH = "login-returnpath";
+
+ public LoginPage(String title) {
+ super(title);
+ }
+
+ @Override
+ public void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOException {
+ new LoginForm(req).output(resp.getWriter(), getLanguage(req), new HashMap<String, Object>());
+ }
+
+ @Override
+ public boolean beforeTemplate(HttpServletRequest req, HttpServletResponse resp) throws IOException {
+ String redir = (String) req.getSession().getAttribute(LOGIN_RETURNPATH);
+ if (req.getSession().getAttribute("loggedin") == null) {
+ X509Certificate cert = getCertificateFromRequest(req);
+ if (cert != null) {
+ tryAuthWithCertificate(req, cert);
+ }
+ if (req.getMethod().equals("POST")) {
+ try {
+ Form.getForm(req, LoginForm.class).submit(resp.getWriter(), req);
+ } catch (GigiApiException e) {
+ }
+ }
+ }
+
+ if (req.getSession().getAttribute("loggedin") != null) {
+ String s = redir;
+ if (s != null) {
+ if ( !s.startsWith("/")) {
+ s = "/" + s;
+ }
+ resp.sendRedirect(s);
+ } else {
+ resp.sendRedirect("/");
+ }
+ return true;
+ }
+ return false;
+ }
+
+ @Override
+ public boolean needsLogin() {
+ return false;
+ }
+
+ private void tryAuthWithUnpw(HttpServletRequest req) {
+ String un = req.getParameter("username");
+ String pw = req.getParameter("password");
+ GigiPreparedStatement ps = DatabaseConnection.getInstance().prepare("SELECT `password`, `id` FROM `users` WHERE `email`=? AND verified='1'");
+ ps.setString(1, un);
+ GigiResultSet rs = ps.executeQuery();
+ if (rs.next()) {
+ String dbHash = rs.getString(1);
+ String hash = PasswordHash.verifyHash(pw, dbHash);
+ if (hash != null) {
+ if ( !hash.equals(dbHash)) {
+ GigiPreparedStatement gps = DatabaseConnection.getInstance().prepare("UPDATE `users` SET `password`=? WHERE `email`=?");
+ gps.setString(1, hash);
+ gps.setString(2, un);
+ gps.executeUpdate();
+ }
+ loginSession(req, User.getById(rs.getInt(2)));
+ req.getSession().setAttribute(LOGIN_METHOD, "Password");
+ }
+ }
+ rs.close();
+ }
+
+ public static User getUser(HttpServletRequest req) {
+ AuthorizationContext ac = getAuthorizationContext(req);
+ if (ac == null) {
+ return null;
+ }
+ return ac.getActor();
+ }
+
+ public static AuthorizationContext getAuthorizationContext(HttpServletRequest req) {
+ return ((AuthorizationContext) req.getSession().getAttribute(AUTH_CONTEXT));
+ }
+
+ private void tryAuthWithCertificate(HttpServletRequest req, X509Certificate x509Certificate) {
+ String serial = extractSerialFormCert(x509Certificate);
+ User user = fetchUserBySerial(serial);
+ if (user == null) {
+ return;
+ }
+ loginSession(req, user);
+ req.getSession().setAttribute(CERT_SERIAL, serial);
+ req.getSession().setAttribute(CERT_ISSUER, x509Certificate.getIssuerDN());
+ req.getSession().setAttribute(LOGIN_METHOD, "Certificate");
+ }
+
+ public static String extractSerialFormCert(X509Certificate x509Certificate) {
+ return x509Certificate.getSerialNumber().toString(16).toUpperCase();
+ }
+
+ public static User fetchUserBySerial(String serial) {
+ if ( !serial.matches("[A-Fa-f0-9]+")) {
+ throw new Error("serial malformed.");
+ }
+ GigiPreparedStatement ps = DatabaseConnection.getInstance().prepare("SELECT `memid` FROM `certs` WHERE `serial`=? AND `disablelogin`='0' AND `revoked` is NULL");
+ ps.setString(1, serial.toLowerCase());
+ GigiResultSet rs = ps.executeQuery();
+ User user = null;
+ if (rs.next()) {
+ user = User.getById(rs.getInt(1));
+ } else {
+ System.out.println("User with serial " + serial + " not found.");
+ }
+ rs.close();
+ return user;
+ }
+
+ public static X509Certificate getCertificateFromRequest(HttpServletRequest req) {
+ X509Certificate[] cert = (X509Certificate[]) req.getAttribute("javax.servlet.request.X509Certificate");
+ X509Certificate uc = null;
+ if (cert != null && cert[0] != null) {
+ uc = cert[0];
+ }
+ return uc;
+ }
+
+ private static final Group LOGIN_BLOCKED = Group.getByString("blockedlogin");
+
+ private void loginSession(HttpServletRequest req, User user) {
+ if (user.isInGroup(LOGIN_BLOCKED)) {
+ return;
+ }
+ req.getSession().invalidate();
+ HttpSession hs = req.getSession();
+ hs.setAttribute(LOGGEDIN, true);
+ hs.setAttribute(Language.SESSION_ATTRIB_NAME, user.getPreferredLocale());
+ hs.setAttribute(AUTH_CONTEXT, new AuthorizationContext(user, user));
+ }
+
+ @Override
+ public boolean isPermitted(User u) {
+ return u == null;
+ }
}
projects / gigi.git / blobdiff