Facebook signup

1 files changed, 270 insertions, 0 deletions

diff --git a/src/java/com/juick/http/www/SignUp.java b/src/java/com/juick/http/www/SignUp.java
new file mode 100644
index 00000000..1afbebbe
--- /dev/null
+++ b/src/java/com/juick/http/www/SignUp.java
@@ -0,0 +1,270 @@
+/*
+ * Juick
+ * Copyright (C) 2008-2013, Ugnich Anton
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.juick.http.www;
+
+import com.juick.server.UserQueries;
+import java.io.IOException;
+import java.io.PrintWriter;
+import java.sql.Connection;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.util.Locale;
+import java.util.ResourceBundle;
+import javax.servlet.ServletException;
+import javax.servlet.http.Cookie;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+/**
+ *
+ * @author Ugnich Anton
+ */
+public class SignUp {
+
+    protected void doGet(Connection sql, HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+        com.juick.User visitor = Utils.getVisitorUser(sql, request);
+        Locale locale = request.getLocale();
+        ResourceBundle rb = ResourceBundle.getBundle("SignUp", locale);
+
+        String type = request.getParameter("type");
+        String hash = request.getParameter("hash");
+        if (type == null || type.isEmpty() || hash == null || hash.isEmpty() || hash.length() > 36 || !type.matches("^[a-zA-Z0-9\\-]+$") || !hash.matches("^[a-zA-Z0-9\\-]+$")) {
+            response.sendError(HttpServletResponse.SC_BAD_REQUEST);
+            return;
+        }
+
+        String account = null;
+        if (type.equals("fb")) {
+            account = getFacebookNameByHash(sql, hash);
+        } else if (type.equals("xmpp")) {
+            account = getJIDByHash(sql, hash);
+        }
+        if (account == null) {
+            response.sendError(HttpServletResponse.SC_BAD_REQUEST);
+            return;
+        }
+
+        response.setContentType("text/html; charset=UTF-8");
+        PrintWriter out = response.getWriter();
+        try {
+            PageTemplates.pageHead(out, rb.getString("Unknown account"), "");
+            PageTemplates.pageNavigation(out, locale, visitor, null);
+            out.println("<div id=\"topwrapper\">");
+            out.println("<div id=\"wrapper\">");
+            out.println("<div id=\"content\">");
+
+            out.print("<h1 class=\"signup-h1\">");
+            if (type.charAt(0) == 'f') {
+                out.print("<img src=\"//static.juick.com/settings/facebook.png\" alt=\"Facebook\"/>");
+            } else if (type.charAt(0) == 'x') {
+                out.print("<img src=\"//static.juick.com/settings/xmpp.png\" alt=\"XMPP\"/>");
+            }
+            out.println(account + "</h1>");
+
+            out.println("<h2 class=\"signup-h2\">" + rb.getString("Link with existing") + "</h2>");
+            out.println("<form action=\"/signup\" method=\"post\">");
+            out.println("<input type=\"hidden\" name=\"action\" value=\"link\"/>");
+            out.println("<input type=\"hidden\" name=\"type\" value=\"" + type + "\"/>");
+            out.println("<input type=\"hidden\" name=\"hash\" value=\"" + hash + "\"/>");
+            if (visitor != null) {
+                out.println("<input type=\"submit\" value=\"" + rb.getString("Link with this") + "\"/>");
+            } else {
+                out.println("<p>" + rb.getString("Username") + ": <input type=\"text\" name=\"username\"/></p>");
+                out.println("<p>" + rb.getString("Password") + ": <input type=\"password\" name=\"password\"/></p>");
+                out.println("<p><input type=\"submit\" value=\"    OK    \"/></p>");
+            }
+            out.println("</form>");
+
+            out.println("<hr class=\"signup-hr\"/>");
+
+            out.println("<h2 class=\"signup-h2\">" + rb.getString("Create new") + "</h2>");
+            out.println("<form action=\"/signup\" method=\"post\">");
+            out.println("<input type=\"hidden\" name=\"action\" value=\"new\"/>");
+            out.println("<input type=\"hidden\" name=\"type\" value=\"" + type + "\"/>");
+            out.println("<input type=\"hidden\" name=\"hash\" value=\"" + hash + "\"/>");
+            out.println("<p>" + rb.getString("Username") + ": <input type=\"text\" name=\"username\" id=\"username\" onblur=\"checkUsername()\"/><br/><i>" + rb.getString("Username restrictions") + "</i></p>");
+            out.println("<p>" + rb.getString("Password") + ": <input type=\"password\" name=\"password\"/><br/><i>" + rb.getString("Password restrictions") + "</i></p>");
+            out.println("<p>" + rb.getString("Language") + ": <select name=\"lang\">");
+            String langs[] = rb.getString("Languages").split(",");
+            String langcodes[] = rb.getString("Language codes").split(",");
+            for (int i = 0; i < langs.length; i++) {
+                out.println("  <option value=\"" + langcodes[i] + "\">" + langs[i] + "</option>");
+            }
+            out.println("</select></p>");
+            out.println("<p><input type=\"submit\" value=\"    OK    \"/></p>");
+            out.println("</form>");
+
+            out.println("</div>");
+            out.println("</div>");
+            out.println("</div>"); // topwrapper
+
+            PageTemplates.pageFooter(request, out, locale, visitor, false);
+            PageTemplates.pageEnd(out);
+        } finally {
+            out.close();
+        }
+    }
+
+    protected void doPost(Connection sql, HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+        com.juick.User visitor = Utils.getVisitorUser(sql, request);
+        int uid = 0;
+
+        String type = request.getParameter("type");
+        String hash = request.getParameter("hash");
+        if (type == null || type.isEmpty() || hash == null || hash.isEmpty() || hash.length() > 36 || !type.matches("^[a-zA-Z0-9\\-]+$") || !hash.matches("^[a-zA-Z0-9\\-]+$")) {
+            response.sendError(HttpServletResponse.SC_BAD_REQUEST);
+            return;
+        }
+
+        String action = request.getParameter("action");
+        if (action.charAt(0) == 'l') {
+
+            if (visitor == null) {
+                String username = request.getParameter("username");
+                String password = request.getParameter("password");
+                if (username == null || password == null || username.length() > 32 || password.isEmpty()) {
+                    response.sendError(HttpServletResponse.SC_BAD_REQUEST);
+                    return;
+                }
+                uid = com.juick.server.UserQueries.checkPassword(sql, username, password);
+            } else {
+                uid = visitor.UID;
+            }
+
+            if (uid == 0) {
+                response.sendError(HttpServletResponse.SC_FORBIDDEN);
+                return;
+            }
+
+            if (!(type.charAt(0) == 'f' && setFacebookUser(sql, hash, uid))
+                    && !(type.charAt(0) == 'x' && setJIDUser(sql, hash, uid))) {
+                response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
+                return;
+            }
+
+        } else { // Create new account
+            String username = request.getParameter("username");
+            String password = request.getParameter("password");
+            String lang = request.getParameter("lang");
+            if (username == null || password == null || lang == null || username.length() < 2 || username.length() > 16 || !username.matches("^[a-zA-Z0-9\\-]+$") || password.length() < 6 || password.length() > 32 || lang.length() != 2) {
+                response.sendError(HttpServletResponse.SC_BAD_REQUEST);
+                return;
+            }
+
+            uid = UserQueries.createUser(sql, username, password, lang);
+            if (uid == 0) {
+                response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
+                return;
+            }
+
+            if (!(type.charAt(0) == 'f' && setFacebookUser(sql, hash, uid))
+                    && !(type.charAt(0) == 'x' && setJIDUser(sql, hash, uid))) {
+                response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
+                return;
+            }
+
+            visitor = null;
+        }
+
+        if (visitor == null) {
+            hash = com.juick.server.UserQueries.getHashByUID(sql, uid);
+            Cookie c = new Cookie("hash", hash);
+            c.setMaxAge(365 * 24 * 60 * 60);
+            response.addCookie(c);
+        }
+
+        response.sendRedirect("/");
+    }
+
+    private String getFacebookNameByHash(Connection sql, String hash) {
+        String ret = null;
+
+        PreparedStatement stmt = null;
+        ResultSet rs = null;
+        try {
+            stmt = sql.prepareStatement("SELECT fb_name,fb_link FROM facebook WHERE loginhash=?");
+            stmt.setString(1, hash);
+            rs = stmt.executeQuery();
+            if (rs.first()) {
+                ret = "<a href=\"" + rs.getString(2) + "\" rel=\"nofollow\">" + rs.getString(1) + "</a>";
+            }
+        } catch (SQLException e) {
+            System.err.println(e);
+        } finally {
+            Utils.finishSQL(rs, stmt);
+        }
+
+        return ret;
+    }
+
+    private boolean setFacebookUser(Connection sql, String hash, int uid) {
+        boolean ret = false;
+        PreparedStatement stmt = null;
+        try {
+            stmt = sql.prepareStatement("UPDATE facebook SET user_id=?,loginhash=NULL WHERE loginhash=?");
+            stmt.setInt(1, uid);
+            stmt.setString(2, hash);
+            stmt.executeUpdate();
+            ret = true;
+        } catch (SQLException e) {
+            System.err.println(e);
+        } finally {
+            Utils.finishSQL(null, stmt);
+        }
+        return ret;
+    }
+
+    private String getJIDByHash(Connection sql, String hash) {
+        String ret = null;
+
+        PreparedStatement stmt = null;
+        ResultSet rs = null;
+        try {
+            stmt = sql.prepareStatement("SELECT jid FROM jids WHERE loginhash=?");
+            stmt.setString(1, hash);
+            rs = stmt.executeQuery();
+            if (rs.first()) {
+                ret = rs.getString(1);
+            }
+        } catch (SQLException e) {
+            System.err.println(e);
+        } finally {
+            Utils.finishSQL(rs, stmt);
+        }
+
+        return ret;
+    }
+
+    private boolean setJIDUser(Connection sql, String hash, int uid) {
+        boolean ret = false;
+        PreparedStatement stmt = null;
+        try {
+            stmt = sql.prepareStatement("UPDATE jids SET user_id=?,loginhash=NULL WHERE loginhash=?");
+            stmt.setInt(1, uid);
+            stmt.setString(2, hash);
+            stmt.executeUpdate();
+            ret = true;
+        } catch (SQLException e) {
+            System.err.println(e);
+        } finally {
+            Utils.finishSQL(null, stmt);
+        }
+        return ret;
+    }
+}