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1 files changed, 218 insertions, 0 deletions

diff --git a/src/com/juick/server/UserQueries.java b/src/com/juick/server/UserQueries.java
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+/*
+ * Juick
+ * Copyright (C) 2008-2011, 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.server;
+
+import java.sql.Connection;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.util.Random;
+
+/**
+ *
+ * @author Ugnich Anton
+ */
+public class UserQueries {
+
+    static final String ABCDEF = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
+
+    public static com.juick.User getUserByNick(Connection sql, String username) {
+        com.juick.User user = null;
+
+        PreparedStatement stmt = null;
+        ResultSet rs = null;
+        try {
+            stmt = sql.prepareStatement("SELECT id,nick FROM users WHERE nick=?");
+            stmt.setString(1, username);
+            rs = stmt.executeQuery();
+            if (rs.first()) {
+                user = new com.juick.User();
+                user.UID = rs.getInt(1);
+                user.UName = rs.getString(2);
+            }
+        } catch (SQLException e) {
+            System.err.println(e);
+        } finally {
+            Utils.finishSQL(rs, stmt);
+        }
+        return user;
+    }
+
+    public static String getJIDbyUID(Connection sql, int UID) {
+        String jid = null;
+
+        PreparedStatement stmt = null;
+        ResultSet rs = null;
+        try {
+            stmt = sql.prepareStatement("SELECT jid FROM jids WHERE user_id=? AND active=1");
+            stmt.setInt(1, UID);
+            rs = stmt.executeQuery();
+            if (rs.first()) {
+                jid = rs.getString(1);
+            }
+        } catch (SQLException e) {
+            System.err.println(e);
+        } finally {
+            Utils.finishSQL(rs, stmt);
+        }
+
+        return jid;
+    }
+
+    public static int getUIDbyHash(Connection sql, String hash) {
+        int UID = 0;
+
+        PreparedStatement stmt = null;
+        ResultSet rs = null;
+        try {
+            stmt = sql.prepareStatement("SELECT user_id FROM logins WHERE hash=?");
+            stmt.setString(1, hash);
+            rs = stmt.executeQuery();
+            if (rs.first()) {
+                UID = rs.getInt(1);
+            }
+        } catch (SQLException e) {
+            System.err.println(e);
+        } finally {
+            Utils.finishSQL(rs, stmt);
+        }
+        return UID;
+    }
+
+    public static com.juick.User getUserByHash(Connection sql, String hash) {
+        com.juick.User user = null;
+
+        PreparedStatement stmt = null;
+        ResultSet rs = null;
+        try {
+            stmt = sql.prepareStatement("SELECT logins.user_id,users.nick FROM logins INNER JOIN users ON logins.user_id=users.id WHERE logins.hash=?");
+            stmt.setString(1, hash);
+            rs = stmt.executeQuery();
+            if (rs.first()) {
+                user = new com.juick.User();
+                user.UID = rs.getInt(1);
+                user.UName = rs.getString(2);
+            }
+        } catch (SQLException e) {
+            System.err.println(e);
+        } finally {
+            Utils.finishSQL(rs, stmt);
+        }
+        return user;
+    }
+
+    public static String getHashByUID(Connection sql, int uid) {
+        String hash = null;
+        PreparedStatement stmt = null;
+        ResultSet rs = null;
+        try {
+            stmt = sql.prepareStatement("SELECT logins.hash FROM logins WHERE user_id=?");
+            stmt.setInt(1, uid);
+            rs = stmt.executeQuery();
+            if (rs.first()) {
+                hash = rs.getString(2);
+            }
+        } catch (SQLException e) {
+            System.err.println(e);
+        } finally {
+            Utils.finishSQL(rs, stmt);
+        }
+
+        if (hash == null) {
+            hash = generateHash(16);
+            try {
+                stmt = sql.prepareStatement("INSERT INTO logins(user_id,hash) VALUES (?,?)");
+                stmt.setInt(1, uid);
+                stmt.setString(2, hash);
+                stmt.executeUpdate();
+            } catch (SQLException e) {
+                System.err.println(e);
+            } finally {
+                Utils.finishSQL(null, stmt);
+            }
+        }
+
+        return hash;
+    }
+
+    public static String generateHash(int len) {
+        Random rnd = new Random();
+        StringBuilder sb = new StringBuilder(len);
+        for (int i = 0; i < len; i++) {
+            sb.append(ABCDEF.charAt(rnd.nextInt(ABCDEF.length())));
+        }
+        return sb.toString();
+    }
+
+    public static int checkPassword(Connection sql, String username, String password) {
+        int uid = 0;
+        PreparedStatement stmt = null;
+        ResultSet rs = null;
+        try {
+            stmt = sql.prepareStatement("SELECT id,passw FROM users WHERE nick=?");
+            stmt.setString(1, username);
+            rs = stmt.executeQuery();
+            if (rs.first()) {
+                if (password.equals(rs.getString(2))) {
+                    uid = rs.getInt(1);
+                } else {
+                    uid = -1;
+                }
+            }
+        } catch (SQLException e) {
+            System.err.println(e);
+        } finally {
+            Utils.finishSQL(rs, stmt);
+        }
+        return uid;
+    }
+
+    public static int getUserOptionInt(Connection sql, int uid, String option, int defaultValue) {
+        int ret = defaultValue;
+
+        PreparedStatement stmt = null;
+        ResultSet rs = null;
+        try {
+            stmt = sql.prepareStatement("SELECT " + option + " FROM useroptions WHERE user_id=?");
+            stmt.setInt(1, uid);
+            rs = stmt.executeQuery();
+            if (rs.first()) {
+                ret = rs.getInt(1);
+            }
+        } catch (SQLException e) {
+            System.err.println(e);
+        } finally {
+            Utils.finishSQL(rs, stmt);
+        }
+        return ret;
+    }
+
+    public static void setUserOptionInt(Connection sql, int uid, String option, int value) {
+        PreparedStatement stmt = null;
+        try {
+            stmt = sql.prepareStatement("UPDATE useroptions SET " + option + "=? WHERE user_id=?");
+            stmt.setInt(1, value);
+            stmt.setInt(2, uid);
+            stmt.executeUpdate();
+        } catch (SQLException e) {
+            System.err.println(e);
+        } finally {
+            Utils.finishSQL(null, stmt);
+        }
+    }
+}