login-class

Gesponsorde koppelingen

PHP script bestanden

  1. login-class

« Lees de omschrijving en reacties

Deze class heb ik gemaakt met beperkte kennis van classes, en deze plaats ik hier voor jullie, en om deze te laten controleren.

Zit deze class goed in elkaar?
En wat kan eraan verbeterd worden?
Mijn verstand van classes is nog licht beperkt, dus hier heb ik alleen basis elementen in gebruik.

Code (php)
PHP script in nieuw venster Selecteer het PHP script
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
<?php
/*************************************************************************

    :: LOGIN CLASS ::
    
    NOTE: This login class is used for user authorization.
    
    Author    : Jelle Posthuma
    Date    : 21 November 2008
    
*************************************************************************/


class login{

    var
$hash         = '';
    var
$memberID     = 0;
    var
$user         = '';
    var
$pass         = '';
    var
$error         = '';
    var
$rememberLogin = false;
    
    var
$enableDebug = true;
    var
$debug = array();

    function
doLogin( $byForm = '' ){
        if( ! $this->loggedIn() ){
            if( $this->readCookies() ){
                $this->setSessions();
            }
else if( ! empty( $byForm ) ){
                if( $this->validateFields( $byForm ) ){
                    $this->hash = $this->setHash();
                    if( $this->rememberLogin ){
                        if( !$this->setCookies() ){
                            $this->error = 'Cookies niet gemaakt!';
                            return false;
                        }
                    }

                    $this->setSessions();
                    $this->updateLoginDate();
                
                    if( empty( $this->error ) ) header( "Location: index.php" );
                    return true;
                }
else{
                    return false;
                }
            }
        }
    }
    
    function
validateFields( $byForm ){
        if( !empty( $byForm[ md5( date( 'dmY' ) ) . 'user' ] ) && !empty( $byForm[ md5( date( 'dmY' ) ) . 'pass' ] ) ){
            $this->user = $byForm[ md5( date( 'dmY' ) ) . 'user' ];
            $this->pass = $byForm[ md5( date( 'dmY' ) ) . 'pass' ];
            $this->rememberLogin = ( $_POST[ 'autoLogin' ] == 'yes' ) ? true : false ;
            if( $this->validateDB() ){
                return true;
            }
else{
                $this->error = 'De door u ingevoerde gebruikersnaam of wachtwoord is incorrect.';
            }
        }
else{
            $this->error = 'Één of meer velden zijn niet ingevuld.';
        }
    }
    
    function
validateDB(){
        $sql = "SELECT
            memberID
        FROM
            members
        WHERE
            passWordMD5 = '"
. md5( $this->user ) . "'
        AND
            userName = '"
. $this->pass . "'
        "
;
        $res = mysql_query( $sql );
        if( mysql_num_rows( $res ) > 0 ){
            $row = mysql_fetch_assoc( $res );
            $this->memberID = $row[ 'memberID' ];
            return true;
        }
else{
            $this->error = 'Uw gegevens kunnen niet gevalideerd worden.';
            return false;
        }
    }

    function
setHash(){
        return md5( $this->memberID . $this->user . $this->pass . date( 'dmYHis' ) );
    }

    function
setCookies(){
        if(
               setcookie( PREFIX . '_userID' , $this->memberID , time() + ( 60 * 60 * 24 * 365 ) ) &&
            setcookie( PREFIX . '_user' , $this->user , time() + ( 60 * 60 * 24 * 365 ) ) &&
            setcookie( PREFIX . '_pass' , $this->pass , time() + ( 60 * 60 * 24 * 365 ) ) &&
            setcookie( PREFIX . '_lKey' , $this->hash , time() + ( 60 * 60 * 24 * 365 ) )
        ){

            return true;
        }
else{
            return false;    
        }
    }
    
    function
setSessions(){
        return true;
    }

    function
readHash(){
        return true;
    }

    function
readCookies(){
        return false;
    }

    function
cookiesExists(){
        if(
            !
empty( $_COOKIE[ PREFIX . '_userID' ] ) &&
            !
empty( $_COOKIE[ PREFIX . '_user' ] ) &&
            !
empty( $_COOKIE[ PREFIX . '_pass' ] ) &&
            !
empty( $_COOKIE[ PREFIX . '_lKey' ] )
        ){

            return true;
        }
else{
            return false;
        }
    }
    
    function
sessionExists(){
        return false;
    }

    function
validateCookieHash(){
        $sql = "SELECT
                    memberID
                FROM
                    members
                WHERE
                    memberID = '"
. $_COOKIE[ PREFIX . '_userID' ] . "'
                AND
                    loginKey = '"
. $_COOKIE[ PREFIX . '_lKey' ] . "'
                AND
                    userName = '"
. $_COOKIE[ PREFIX . '_user' ] . "'
                AND
                    passWord = '"
. $_COOKIE[ PREFIX . '_pass' ] . "'
                "
;
        $res = mysql_query( $sql )or die( $sql . '<br />' . mysql_error() );
        if( mysql_num_rows( $res ) == 1 ){
            return true;
        }
else{
            return false;
        }
    }
    
    function
validateSessionHash(){
        $sql = "SELECT
                    memberID
                FROM
                    members
                WHERE
                    memberID = '"
. $_SESSION[ PREFIX . '_userID' ] . "'
                AND
                    loginKey = '"
. $_SESSION[ PREFIX . '_lKey' ] . "'
                AND
                    userName = '"
. $_SESSION[ PREFIX . '_user' ] . "'
                AND
                    passWord = '"
. $_SESSION[ PREFIX . '_pass' ] . "'
                "
;
        $res = mysql_query( $sql );
        if( mysql_num_rows( $res ) == 1 )
            return true;
        else
            return false;
    }

    function
loggedIn(){
        if( ( $this->sessionExists() && $this->validateSessionHash() ) || ( $this->cookiesExists() && $this->validateCookieHash() ) ){
            
            if( !defined( "USER_RAW" ) ) define( "USER_RAW" , "" );
            if( !defined( "USERNAME" ) ) define( "USERNAME" , $_COOKIE[ PREFIX . '_user' ] );
            if( !defined( "USERID" ) ) define( "USERID" , $_COOKIE[ PREFIX . '_userID' ] );
            if( !defined( "LOGIN" ) ) define( "LOGIN" , true );
            return true;
            
        }
else{
            
            if( !defined( "LOGIN" ) ) define("LOGIN",false);
            return false;
            
        }
    }

    function
updateLoginDate(){
        $sql = "UPDATE
            members
        SET
            loginKey = '"
. $this->hash . "',
            loginDate = NOW()
        WHERE
            memberID = "
. $this->memberID . "
        "
;
        mysql_query( $sql );
    }
    
    function
logout(){
        setcookie( PREFIX . '_userID' , '' , time() - 3600 );
        setcookie( PREFIX . '_user' , '' , time() - 3600 );
        setcookie( PREFIX . '_pass' , '' , time() - 3600 );
        setcookie( PREFIX . '_lKey' , '' , time() - 3600 );
    }
}

?>


Database dump van de login table:
Code (php)
PHP script in nieuw venster Selecteer het PHP script
1
2
3
4
5
6
7
8
9
10
CREATE TABLE `members` (
  `memberID` int(10) NOT NULL AUTO_INCREMENT,
  `groupID` int(10) NOT NULL,
  `loginKey` varchar(255) NOT NULL,
  `loginDate` datetime NOT NULL,
  `userName` varchar(255) NOT NULL,
  `passWord` varchar(255) NOT NULL,
  `passWordMD5` varchar(255) NOT NULL
  PRIMARY KEY (`memberID`)
) ENGINE=MyISAM  DEFAULT CHARSET=latin1 AUTO_INCREMENT=1 ;

 
 

Om de gebruiksvriendelijkheid van onze website en diensten te optimaliseren maken wij gebruik van cookies. Deze cookies gebruiken wij voor functionaliteiten, analytische gegevens en marketing doeleinden. U vindt meer informatie in onze privacy statement.