package org.cacert.gigi.pages;
+import static org.cacert.gigi.Gigi.*;
+
import java.io.IOException;
+import java.io.PrintWriter;
+import java.security.cert.X509Certificate;
+import java.util.HashMap;
+import java.util.Map;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import javax.servlet.http.HttpSession;
-import javax.servlet.ServletRequest;
-import javax.servlet.ServletResponse;
+import org.cacert.gigi.GigiApiException;
+import org.cacert.gigi.database.GigiPreparedStatement;
+import org.cacert.gigi.database.GigiResultSet;
+import org.cacert.gigi.dbObjects.CertificateOwner;
+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.output.template.TranslateCommand;
+import org.cacert.gigi.pages.main.RegisterPage;
+import org.cacert.gigi.util.AuthorizationContext;
+import org.cacert.gigi.util.PasswordHash;
+import org.cacert.gigi.util.RateLimit;
+import org.cacert.gigi.util.ServerConstants;
public class LoginPage extends Page {
- public LoginPage(String title) {
- super(title);
- }
-
- @Override
- public void doGet(ServletRequest req, ServletResponse resp)
- throws IOException {
- super.doGet(req, resp);
- resp.getWriter()
- .println(
- "<form method='POST' action='/login'>"
- + "<input type='text' name='username'>"
- + "<input type='password' name='password'> <input type='submit' value='login'></form>");
- }
+ public static final RateLimit RATE_LIMIT = new RateLimit(10, 5 * 60 * 1000);
+
+ public class LoginForm extends Form {
+
+ public LoginForm(HttpServletRequest hsr) {
+ super(hsr);
+ }
+
+ @Override
+ public boolean submit(PrintWriter out, HttpServletRequest req) throws GigiApiException {
+ if (RegisterPage.RATE_LIMIT.isLimitExceeded(req.getRemoteAddr())) {
+ outputError(out, req, "Rate Limit Exceeded");
+ return false;
+ }
+ 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() {
+ super("Password Login");
+ }
+
+ @Override
+ public void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOException {
+ if (req.getHeader("Host").equals(ServerConstants.getSecureHostNamePort())) {
+ resp.getWriter().println(getLanguage(req).getTranslation("Authentication with certificate failed. Try another certificate or use a password."));
+ } else {
+ 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");
+ try (GigiPreparedStatement ps = new GigiPreparedStatement("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)) {
+ try (GigiPreparedStatement gps = new GigiPreparedStatement("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, new TranslateCommand("Password"));
+ }
+ }
+ }
+ }
+
+ 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, new TranslateCommand("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.");
+ }
+
+ CertificateOwner o = CertificateOwner.getByEnabledSerial(serial);
+ if (o == null || !(o instanceof User)) {
+ return null;
+ }
+ return (User) o;
+ }
+
+ 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(AuthorizationContext ac) {
+ return ac == null;
+ }
}
projects / gigi.git / blobdiff