rendered paste body<?php /** * @author Fidel Nunez * @copyright 2007, all rights reserved * @abstract user object */class User{ //instance of data adapter and registry object private $DataAdapter; //settings private $settings; /** * constructor * @param array, $settings * @param object, $DataAdapter */ public function __construct( $DataAdapter, $settings = array() ){ $this->settings = $settings; $this->DataAdapter = $DataAdapter; } /** * gets an atributes max lenght * * @param string, $attribute * @return int */ public function getMax($attribute){ if ( array_key_exists( $attribute, $this->settings )) { return $this->settings[$attribute]['max']; } } /** * gets an atributes min lenght * * @param string, $attribute * @return int */ public function getMin($attribute){ if ( array_key_exists( $attribute, $this->settings )) { return $this->settings[$attribute]['min']; } } /** * processes the username * * @param string, $username * @return string, $username */ public function filterUsername( $username ){ //convert to ascii $username = mb_convert_encoding($username, 'ASCII'); //convert to lowercase and trim whitespace $username = strtolower( $username ); $username = trim( $username ); return $username; } /** * checks the username validity * * @param string, $username */ public function checkUsername( $username ){ //check if username is too short if( strlen($username) < $this->getMin('username') ){ throw new UserException( 'USERNAME_TOO_SHORT', 1 ); } //check if username is too long if( strlen($username) > $this->getMax('username') ){ throw new UserException( 'USERNAME_TOO_LONG', 1 ); } //check if username is of correct format if ( $this->isIncorrectFormat( 'username', $username ) == true ) { throw new UserException( 'USERNAME_WRONG_FORMAT', 1 ); } //check username is not already used if ( $this->isUsernameTaken( $username ) == true ) { throw new UserException( 'USERNAME_USED', 1 ); } } /** * processes the password and checks the password validity * * @param string, $password * @return string, $password */ public function filterPassword( $password ){ //convert to ascii $password = mb_convert_encoding($password, 'ASCII'); //trim whitespace $password = trim( $password ); return $password; } /** * checks the passwords validity * * @param string, $password */ public function checkPassword( $password ){ //check if password is too short if( strlen($password) < $this->getMin('password') ){ throw new UserException( 'PASSWORD_TOO_SHORT', 1 ); } //check if password is too long if( strlen($password) > $this->getMax('password') ){ throw new UserException( 'PASSWORD_TOO_LONG', 1 ); } } /** * processes the email * * @param string, $email * @return string, $email */ public function filterEmail( $email ){ //convert to ascii $email = mb_convert_encoding($email, 'ASCII'); //convert to lowercase and trim whitespace $email = strtolower( $email ); $email = trim( $email ); return $email; } /** * checks the email validity * * @param string, $email */ public function checkEmail( $email ){ //check if email is too short if( strlen($email) < $this->getMin('email') ){ throw new UserException( 'EMAIL_TOO_SHORT', 1 ); } //check if email is too long if( strlen($email) > $this->getMax('email') ){ throw new UserException( 'EMAIL_TOO_LONG', 1 ); } //check if email is of correct format if ( $this->isIncorrectFormat( 'email', $email ) == true ) { throw new UserException( 'EMAIL_WRONG_FORMAT', 1 ); } //check email is not already used if ( $this->isEmailTaken( $email ) == true ) { throw new UserException( 'EMAIL_USED', 1 ); } } /** * checks an attribute is correctly formatted * * @param string, $attribute * @param string, $value * @return boolean */ public function isIncorrectFormat($attribute, $value){ if (eregi( $this->settings[$attribute]['format'], $value )) { return false; } else { return true; } } /** * checks whether a username is taken * * @param string, $username * @return boolean, $is_taken */ public function isUsernameTaken( $username ){ $is_taken = false; try { $user = $this->DataAdapter->retrieveByUsername( $username ); } catch (PDOException $e ) { throw new UserException( $e->getMessage() ); } //check username and username from database match if( $user['name'] == $username ){ $is_taken = true; } return $is_taken; } /** * checks whether a email is taken * * @param string, $email * @return boolean, $is_taken */ public function isEmailTaken( $email ){ $is_taken = false; try { $user = $this->DataAdapter->retrieveByEmail( $email ); } catch (PDOException $e ) { throw new UserException( $e->getMessage() ); } //check email and email from database match if( $user['email'] == $email ){ $is_taken = true; } return $is_taken; } /** * registers a new user * * @param string, $username * @param string, $password * @param string, $email */ public function register($username, $password, $email){ $user = array(); $user['name'] = $username; $user['pass'] = $this->createHash( $password ); $user['email'] = $email; //add to database try { $user_id = $this->DataAdapter->insert( $user ); } catch (PDOException $e ) { throw new UserException( $e->getMessage() ); } return $user_id; } /** * creates a hash * @param String, key * @return String, hash */ public function createHash( $key ){ return md5( md5($key) ); }}/** * @author Fidel Nunez * @copyright 2007, all rights reserved * @name UserException * @abstract exception thrown by User */class UserException extends Exception{ public function __construct($message, $code = 0) { parent::__construct($message, $code); }}/** * @author Fidel Nunez * @copyright 2007, all rights reserved * @abstract user database data class */class UserDatabase{ //instance of a database object private $DB; /** * constructor * @param PDO database object * @throws Exception */ public function __construct( $DB ){ if( is_a( $DB, 'PDO' ) == false){ throw new Exception( 'Database object is not PDO type' ); } $this->DB = $DB; } /** * retrieves a user given a username * @param string, $username * @return array, $rows * @throws PDOException */ public function retrieveByUsername( $username ){ $row = array(); try { $STMT = $this->DB->prepare( "SELECT * FROM users WHERE users.name = :name LIMIT 0,1" ); $STMT->bindParam( ":name", $username, PDO::PARAM_STR ); $STMT->execute(); $row = $STMT->fetch( PDO::FETCH_ASSOC ); } catch (PDOException $e ) { throw new PDOException( $e->getMessage() ); } return $row; } /** * retrieves a user given a email * @param string, $email * @return array, $rows * @throws PDOException */ public function retrieveByEmail( $email ){ $row = array(); try { $STMT = $this->DB->prepare( "SELECT * FROM users WHERE users.email = :email LIMIT 0,1" ); $STMT->bindParam( ":email", $email, PDO::PARAM_STR ); $STMT->execute(); $row = $STMT->fetch( PDO::FETCH_ASSOC ); } catch (PDOException $e ) { throw new PDOException( $e->getMessage() ); } return $row; } /** * adds a new user to the system * @param array, $user * @return int, $insert_id * @throws PDOException */ public function insert( $user ){ $time = time(); try { $STMT = $this->DB->prepare( "INSERT INTO users ( name, pass, email, time_created, time_updated ) VALUES ( :name, :pass, :email, :time_created, :time_updated )" ); $STMT->bindParam( ":name", $user['name'], PDO::PARAM_STR ); $STMT->bindParam( ":pass", $user['pass'], PDO::PARAM_STR ); $STMT->bindParam( ":email", $user['email'], PDO::PARAM_STR ); $STMT->bindParam( ":time_created", $time, PDO::PARAM_INT ); $STMT->bindParam( ":time_updated", $time, PDO::PARAM_INT ); $STMT->execute(); $insert_id = $this->DB->lastInsertId(); } catch (PDOException $e ) { throw new PDOException( $e->getMessage() ); } return $insert_id; }}?>