X-Git-Url: https://code.wpia.club/?p=gigi.git;a=blobdiff_plain;f=src%2Forg%2Fcacert%2Fgigi%2Fpages%2FLoginPage.java;h=141c6ca18cc6466ffae0248458347b10511228f7;hp=68fcfd11634fecbcd5075996a44a730e0933464e;hb=d23d7a6fa9dc38c6193fea70017e0bff11257be5;hpb=f00a29a230689e952d413818073fff0644e04786

diff --git a/src/org/cacert/gigi/pages/LoginPage.java b/src/org/cacert/gigi/pages/LoginPage.java
index 68fcfd11..141c6ca1 100644
--- a/src/org/cacert/gigi/pages/LoginPage.java
+++ b/src/org/cacert/gigi/pages/LoginPage.java
@@ -1,22 +1,198 @@
 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.ServletRequest;
-import javax.servlet.ServletResponse;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import javax.servlet.http.HttpSession;
 
-import org.cacert.gigi.Page;
+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 {
-	@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;
+    }
 }