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<?php
# Adopt a Developer
#
# Copyright (C) 2004, 2006 Thomas Cort
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
class login_action extends actor {
function execute() {
trigger("html_headers");
if (isset($_REQUEST['login'])) {
trigger("login");
} else {
trigger("display_login");
}
trigger("html_footers");
return new return_result(true);
}
}
class display_login_event extends actor {
function execute() {
global $username;
if ($username == "guest") {
echo "<br><div align=\"center\"><form action=\"./\" method=\"post\"><table>";
echo "<tr><td><small>Username: </small></td><td>";
echo "<input type=\"text\" name=\"username\" size=\"10\"></td></tr><tr><td><small>Password: </small></td><td>";
echo "<input type=\"password\" name=\"passwd\" size=\"10\"></td></tr><tr><td align=\"center\">";
echo "<input type=\"hidden\" name=\"a\" value=\"login\">";
echo "<input type=\"hidden\" name=\"login\" value=\"1\">";
echo "<input type=\"submit\" id=\"button\" style=\"font-size:8pt;background-color:#cccccc;color:#000000\" value=\"login\">";
echo "</td><td align=\"center\"><input type=\"reset\" id=\"button\" style=\"font-size:8pt;background-color:#cccccc;color:#000000\" value=\"clear\"></td></tr>";
echo "</table>";
echo "</form></div>";
} else {
echo "<h2>Already Logged In</h2>";
echo "<h2>Thank You! Come again!</h2>";
}
return new return_result(true);
}
}
class login_event extends actor {
function execute() {
global $username, $accesslevel;
$_username = isset($_REQUEST['username']) ? doslashes($_REQUEST['username']) : "";
$password = isset($_REQUEST['passwd']) ? md5($_REQUEST['passwd']): "";
$sessionid = session_id();
if ($_username != "" and $password !="") {
$result = db_query("SELECT users.userid,users.accesslevel FROM users WHERE username='$_username' and passwd='$password';");
if ($result->has_next()) {
$row = $result->get_row();
$userid = $row[0];
$_accesslevel = $row[1];
$result = db_query("SELECT * FROM sessions WHERE userid = '$userid';");
if ($result->has_next() && !db_exec("DELETE FROM sessions WHERE userid = '$userid';")) {
trigger("begin_story");
echo "<h2>Database Error</h2>";
echo "<h2>Thank You! Come again!</h2>";
trigger("end_story");
}
if (db_exec("INSERT INTO sessions (sessionid,userid) VALUES ('$sessionid','$userid');")) {
$username = $_username;
$accesslevel = $_accesslevel;
trigger("default");
} else {
trigger("begin_story");
echo "<h2>Database Error</h2>";
echo "<h2>Thank You! Come again!</h2>";
trigger("end_story");
}
} else {
trigger("begin_story");
echo "<h2>Authentication Error</h2>";
echo "<h2>Thank You! Come again!</h2>";
trigger("end_story");
}
} else {
trigger("begin_story");
echo "<h2>Authentication Error</h2>";
echo "<h2>Thank You! Come again!</h2>";
trigger("end_story");
}
return new return_result(true);
}
}
class logout_action extends actor {
function execute() {
global $accesslevel, $username;
trigger("html_headers");
$sessionid = session_id();
if (db_exec("DELETE FROM sessions WHERE sessionid = '$sessionid';")) {
session_unset();
session_destroy();
$accesslevel = 1;
$username = "guest";
trigger("begin_story");
echo "<h2>Logged Out!</h2>";
echo "<h2>Thank You! Come again!</h2>";
trigger("end_story");
echo "<br \>";
trigger("default");
} else {
trigger("begin_story");
echo "<h2>Database Error!</h2>";
echo "<h2>Thank You! Come again!</h2>";
trigger("end_story");
}
trigger("html_footers");
return new return_result(true);
}
}
class passwd_action extends actor {
function execute() {
global $accesslevel, $username;
trigger("html_headers");
if (isset($_REQUEST['passwd'])) {
trigger("passwd");
} else {
trigger("display_passwd");
}
trigger("html_footers");
return new return_result(true);
}
}
class display_passwd_event extends actor {
function execute() {
global $username;
trigger("begin_story");
if ($username != "guest") {
echo "<h2>Change Password</h2>";
echo "<form action=\"./\" method=\"post\"><table>";
echo "<tr><th>Old Password: </td><td bgcolor=\"#eeeeee\" colspan=\"2\">";
echo "<input type=\"password\" name=\"old_passwd\"></td></tr><tr><td>";
echo "<tr><th>New Password: </td><td bgcolor=\"#eeeeee\" colspan=\"2\">";
echo "<input type=\"password\" name=\"new_passwd\"></td></tr><tr><td>";
echo "<tr><th>Again: </td><td bgcolor=\"#eeeeee\" colspan=\"2\">";
echo "<input type=\"password\" name=\"again_passwd\"></td></tr><tr><td bgcolor=\"#eeeeee\">";
echo "<input type=\"hidden\" name=\"a\" value=\"passwd\">";
echo "<input type=\"hidden\" name=\"passwd\" value=\"1\">";
echo " </td><td bgcolor=\"#eeeeee\"><input type=\"submit\" id=\"button\" value=\"change\">";
echo "</td><td bgcolor=\"#eeeeee\"><input type=\"reset\" id=\"button\" value=\"clear\"></td></tr>";
echo "</table></form>";
} else {
echo "<h2>You aren't Logged In!</h2>";
echo "<h2>Thank You! Come again!</h2>";
}
trigger("end_story");
return new return_result(true);
}
}
class passwd_event extends actor {
function execute() {
global $username;
$old_passwd = isset($_REQUEST['old_passwd']) ? md5($_REQUEST['old_passwd']) : "";
$again_passwd = isset($_REQUEST['again_passwd']) ? md5($_REQUEST['again_passwd']) : "";
$new_passwd = isset($_REQUEST['new_passwd']) ? md5($_REQUEST['new_passwd']) : "";
if ($old_passwd != "" && $again_passwd != "" && $new_passwd != "") {
if ($new_passwd == $again_passwd) {
$result = db_query("SELECT * from users WHERE username = '$username' AND passwd = '$old_passwd';");
if ($result->has_next()) {
if (db_exec("UPDATE users SET passwd = '$new_passwd' WHERE username = '$username';")) {
trigger("begin_story");
echo "<h2>Password Updated!</h2>";
trigger("end_story");
echo "<br \>";
trigger("default");
} else {
trigger("begin_story");
echo "<h2>Database Error!</h2>";
echo "<h2>Thank You! Come again!</h2>";
trigger("end_story");
}
} else {
trigger("begin_story");
echo "<h2>Wrong Old Password!</h2>";
echo "<h2>Thank You! Come again!</h2>";
trigger("end_story");
}
} else {
trigger("begin_story");
echo "<h2>New and Again Passwords Don't Match!</h2>";
echo "<h2>Thank You! Come again!</h2>";
trigger("end_story");
}
} else {
trigger("begin_story");
echo "<h2>Incomplete Form Data!</h2>";
echo "<h2>Thank You! Come again!</h2>";
trigger("end_story");
}
return new return_result(true);
}
}
register_handler(new login_event("login",50));
register_handler(new display_login_event("display_login",50));
register_action(new login_action("login",50));
register_action(new logout_action("logout",50));
register_handler(new passwd_event("passwd",50));
register_handler(new display_passwd_event("display_passwd",50));
register_action(new passwd_action("passwd",50));
?>
|
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