<?php
/**
* Project: Registration PHP Class
* File: class_registration.php
* Purpose: Register users in a mysql database
*
* For questions, help, comments, discussion, etc, please send
* e-mail to antonio.desire@gmail.com
*
* @link http://antoniociccia.netsons.org
* @author Antonio Ciccia <antonio.desire@gmail.com>
* @package Registration PHP Class
* @version 1.1
*
* 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 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/
*/
class Registration
{
private $databaseUsersTable;
private $cryptMethod;
private $showMessage;
/**
* Sets the database users table
*
* @param string $database_user_table
*/
public function setDatabaseUserTable($database_user_table)
{
$this->databaseUsersTable=$database_user_table;
}
/**
* Sets the crypting method
*
* @param string $crypt_method - You can set it as 'md5' or 'sha1' to choose the crypting method for the user password.
*/
public function setCryptMethod($crypt_method)
{
$this->cryptMethod=$crypt_method;
}
/**
* Crypts a string
*
* @param string $text_to_crypt - crypt a string if $this->cryptMethod was defined.
* If not, the string will be returned uncrypted.
*/
public function setCrypt($text_to_crypt)
{
switch($this->cryptMethod)
{
case 'md5': $text_to_crypt=trim(md5($text_to_crypt)); break;
case 'sha1': $text_to_crypt=trim(sha1($text_to_crypt)); break;
}
return $text_to_crypt;
}
/**
* Anti-Mysql-Injection method, escapes a string.
*
* @param string $text_to_escape
*/
static public function setEscape($text_to_escape)
{
if(!get_magic_quotes_gpc()) $text_to_escape=mysql_real_escape_string($text_to_escape);
return $text_to_escape;
}
/**
* If on true, displays class messages
*
* @param boolean $database_user_table
*/
public function setShowMessage($registration_show_message)
{
if(is_bool($registration_show_message)) $this->showMessage=$registration_show_message;
}
/**
* Prints the class messages with a customized style if html tags are defined
*
* @param string $message_text - the message text
* @param string $message_html_tag_open - the html tag placed before the text
* @param string $message_html_tag_close - the html tag placed after the text
* @param boolean $message_die - if on true die($message_text);
*/
public function getMessage($message_text, $message_html_tag_open=null, $message_html_tag_close=null, $message_die=false)
{
if($this->showMessage)
{
if($message_die) die($message_text);
else echo $message_html_tag_open . $message_text . $message_html_tag_close;
}
}
/**
* Register user in the database
*
* The user form data needed is: user_name, user_pass, user_confirm_pass, user_mail, user_confirm_mail
*/
public function setUserRegistration()
{
if(!$this->databaseUsersTable) $this->getMessage('Users table in the database is not specified. Please specify it before any other operation using the method setDatabaseUserTable();','','','true');
$user_name=$this->setEscape($_POST['user_name']);
$user_pass=$_POST['user_pass'];
$user_confirm_pass=$_POST['user_confirm_pass'];
$user_mail=$_POST['user_mail'];
$user_confirm_mail=$_POST['user_confirm_mail'];
$user_crypted_pass=$this->setCrypt($user_pass);
$result_user_name=mysql_query("SELECT * FROM"." ".$this->databaseUsersTable." "."WHERE user_name='$user_name'");
$result_user_mail=mysql_query("SELECT * FROM"." ".$this->databaseUsersTable." "."WHERE user_mail='$user_mail'");
if((strlen($user_name)<6) or (strlen($user_name)>16)) $this->getMessage('Entered username length must be of 6 to 16 characters.');
elseif(mysql_num_rows($result_user_name)) $this->getMessage('Entered username already exists in the database.');
elseif((strlen($user_pass)<8) or (strlen($user_pass)>16)) $this->getMessage('Entered password length must be of 8 to 16 characters.');
elseif($user_pass!=$user_confirm_pass) $this->getMessage('Passwords entered do not match.');
elseif(mysql_num_rows($result_user_mail)) $this->getMessage('Entered email already exists in the database.');
elseif($user_mail!=$user_confirm_mail) $this->getMessage('Email addresses entered do not match.');
elseif(!preg_match("/^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-]{4,})+\.)+([a-zA-Z0-9]{2,})+$/", $user_mail)) $this->getMessage('Email address entered is not valid.');
else
{
if(mysql_query("INSERT INTO"." ".$this->databaseUsersTable." "."(user_name, user_pass, user_mail) VALUES ('$user_name', '$user_crypted_pass', '$user_mail')")) $this->getMessage('Registration was successful.');
}
}
}
?>
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