1 package club.wpia.gigi.pages;
3 import static club.wpia.gigi.Gigi.*;
5 import java.io.IOException;
6 import java.io.PrintWriter;
7 import java.security.cert.X509Certificate;
10 import javax.servlet.http.HttpServletRequest;
11 import javax.servlet.http.HttpServletResponse;
12 import javax.servlet.http.HttpSession;
14 import club.wpia.gigi.GigiApiException;
15 import club.wpia.gigi.database.GigiPreparedStatement;
16 import club.wpia.gigi.database.GigiResultSet;
17 import club.wpia.gigi.dbObjects.CertificateOwner;
18 import club.wpia.gigi.dbObjects.Group;
19 import club.wpia.gigi.dbObjects.User;
20 import club.wpia.gigi.localisation.Language;
21 import club.wpia.gigi.output.template.Form;
22 import club.wpia.gigi.output.template.TranslateCommand;
23 import club.wpia.gigi.pages.main.RegisterPage;
24 import club.wpia.gigi.util.AuthorizationContext;
25 import club.wpia.gigi.util.PasswordHash;
26 import club.wpia.gigi.util.RateLimit;
27 import club.wpia.gigi.util.RateLimit.RateLimitException;
28 import club.wpia.gigi.util.ServerConstants;
30 public class LoginPage extends Page {
32 public static final RateLimit RATE_LIMIT = new RateLimit(10, 5 * 60 * 1000);
34 public class LoginForm extends Form {
36 public LoginForm(HttpServletRequest hsr) {
41 public RedirectResult submit(HttpServletRequest req) throws GigiApiException {
42 if (RegisterPage.RATE_LIMIT.isLimitExceeded(req.getRemoteAddr())) {
43 throw new RateLimitException();
46 return new RedirectResult(redirectPath(req));
50 protected void outputContent(PrintWriter out, Language l, Map<String, Object> vars) {
51 getDefaultTemplate().output(out, l, vars);
56 public static final String LOGIN_RETURNPATH = "login-returnpath";
59 super("Password Login");
63 public void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOException {
64 if (req.getHeader("Host").equals(ServerConstants.getSecureHostNamePortSecure())) {
65 resp.getWriter().println(getLanguage(req).getTranslation("Authentication with certificate failed. Try another certificate or use a password."));
67 new LoginForm(req).output(resp.getWriter(), getLanguage(req), getDefaultVars(req));
72 public void doPost(HttpServletRequest req, HttpServletResponse resp) throws IOException {
73 if (Form.printFormErrors(req, resp.getWriter())) {
74 Form.getForm(req, LoginForm.class).output(resp.getWriter(), getLanguage(req), getDefaultVars(req));
79 public boolean beforeTemplate(HttpServletRequest req, HttpServletResponse resp) throws IOException {
80 if (req.getSession().getAttribute("loggedin") == null) {
81 X509Certificate cert = getCertificateFromRequest(req);
83 tryAuthWithCertificate(req, cert);
85 if (req.getMethod().equals("POST")) {
86 return Form.getForm(req, LoginForm.class).submitExceptionProtected(req, resp);
90 if (req.getSession().getAttribute("loggedin") != null) {
91 resp.sendRedirect(redirectPath(req));
97 private static String redirectPath(HttpServletRequest req) {
98 String redir = (String) req.getAttribute(LOGIN_RETURNPATH);
101 if ( !s.startsWith("/")) {
111 public boolean needsLogin() {
115 private void tryAuthWithUnpw(HttpServletRequest req) throws GigiApiException {
116 String un = req.getParameter("username");
117 String pw = req.getParameter("password");
118 try (GigiPreparedStatement ps = new GigiPreparedStatement("SELECT `password`, `id` FROM `users` WHERE `email`=? AND verified='1'")) {
120 GigiResultSet rs = ps.executeQuery();
122 String dbHash = rs.getString(1);
123 String hash = PasswordHash.verifyHash(pw, dbHash);
125 if ( !hash.equals(dbHash)) {
126 try (GigiPreparedStatement gps = new GigiPreparedStatement("UPDATE `users` SET `password`=? WHERE `email`=?")) {
127 gps.setString(1, hash);
128 gps.setString(2, un);
132 loginSession(req, User.getById(rs.getInt(2)));
133 req.getSession().setAttribute(LOGIN_METHOD, new TranslateCommand("Password"));
138 throw new GigiApiException("Username and password didn't match.");
141 public static User getUser(HttpServletRequest req) {
142 AuthorizationContext ac = getAuthorizationContext(req);
146 return ac.getActor();
149 public static AuthorizationContext getAuthorizationContext(HttpServletRequest req) {
150 return ((AuthorizationContext) req.getSession().getAttribute(AUTH_CONTEXT));
153 private void tryAuthWithCertificate(HttpServletRequest req, X509Certificate x509Certificate) {
154 String serial = extractSerialFormCert(x509Certificate);
155 User user = fetchUserBySerial(serial);
159 loginSession(req, user);
160 req.getSession().setAttribute(CERT_SERIAL, serial);
161 req.getSession().setAttribute(CERT_ISSUER, x509Certificate.getIssuerDN());
162 req.getSession().setAttribute(LOGIN_METHOD, new TranslateCommand("Certificate"));
165 public static String extractSerialFormCert(X509Certificate x509Certificate) {
166 return x509Certificate.getSerialNumber().toString(16).toLowerCase();
169 public static User fetchUserBySerial(String serial) {
170 if ( !serial.matches("[a-f0-9]+")) {
171 throw new Error("serial malformed.");
174 CertificateOwner o = CertificateOwner.getByEnabledSerial(serial);
175 if (o == null || !(o instanceof User)) {
181 public static X509Certificate getCertificateFromRequest(HttpServletRequest req) {
182 X509Certificate[] cert = (X509Certificate[]) req.getAttribute("javax.servlet.request.X509Certificate");
183 X509Certificate uc = null;
184 if (cert != null && cert[0] != null) {
190 private static final Group LOGIN_BLOCKED = Group.BLOCKEDLOGIN;
192 private void loginSession(HttpServletRequest req, User user) {
193 if (user.isInGroup(LOGIN_BLOCKED)) {
196 req.setAttribute(LOGIN_RETURNPATH, req.getSession().getAttribute(LOGIN_RETURNPATH));
197 req.getSession().invalidate();
198 HttpSession hs = req.getSession();
199 hs.setAttribute(LOGGEDIN, true);
200 hs.setAttribute(Language.SESSION_ATTRIB_NAME, user.getPreferredLocale());
201 hs.setAttribute(AUTH_CONTEXT, new AuthorizationContext(user, user));
205 public boolean isPermitted(AuthorizationContext ac) {