1: <?php
 2: 
 3: /**
 4:  * This file is part of the Nette Framework (https://nette.org)
 5:  * Copyright (c) 2004 David Grudl (https://davidgrudl.com)
 6:  */
 7: 
 8: namespace Nette\Security;
 9: 
10: use Nette;
11: 
12: 
13: /**
14:  * Trivial implementation of IAuthenticator.
15:  */
16: class SimpleAuthenticator extends Nette\Object implements IAuthenticator
17: {
18:     /** @var array */
19:     private $userlist;
20: 
21:     /** @var array */
22:     private $usersRoles;
23: 
24: 
25:     /**
26:      * @param  array  list of pairs username => password
27:      * @param  array  list of pairs username => role[]
28:      */
29:     public function __construct(array $userlist, array $usersRoles = array())
30:     {
31:         $this->userlist = $userlist;
32:         $this->usersRoles = $usersRoles;
33:     }
34: 
35: 
36:     /**
37:      * Performs an authentication against e.g. database.
38:      * and returns IIdentity on success or throws AuthenticationException
39:      * @return IIdentity
40:      * @throws AuthenticationException
41:      */
42:     public function authenticate(array $credentials)
43:     {
44:         list($username, $password) = $credentials;
45:         foreach ($this->userlist as $name => $pass) {
46:             if (strcasecmp($name, $username) === 0) {
47:                 if ((string) $pass === (string) $password) {
48:                     return new Identity($name, isset($this->usersRoles[$name]) ? $this->usersRoles[$name] : NULL);
49:                 } else {
50:                     throw new AuthenticationException('Invalid password.', self::INVALID_CREDENTIAL);
51:                 }
52:             }
53:         }
54:         throw new AuthenticationException("User '$username' not found.", self::IDENTITY_NOT_FOUND);
55:     }
56: 
57: }
58: