|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
declare(strict_types=1); |
|
4
|
|
|
|
|
5
|
|
|
namespace Yiisoft\Auth\Method; |
|
6
|
|
|
|
|
7
|
|
|
use Psr\Http\Message\ResponseInterface; |
|
8
|
|
|
use Psr\Http\Message\ServerRequestInterface; |
|
9
|
|
|
use Yiisoft\Auth\AuthenticationMethodInterface; |
|
10
|
|
|
use Yiisoft\Auth\IdentityInterface; |
|
11
|
|
|
use Yiisoft\Auth\IdentityRepositoryInterface; |
|
12
|
|
|
|
|
13
|
|
|
/** |
|
14
|
|
|
* HTTP Basic authentication method. |
|
15
|
|
|
* |
|
16
|
|
|
* @see https://tools.ietf.org/html/rfc7617 |
|
17
|
|
|
* |
|
18
|
|
|
* In case authentication does not work as expected, make sure your web server passes |
|
19
|
|
|
* username and password to `$request->getServerParams()['PHP_AUTH_USER']` and `$request->getServerParams()['PHP_AUTH_PW']` |
|
20
|
|
|
* parameters. If you are using Apache with PHP-CGI, you might need to add this line to your `.htaccess` file: |
|
21
|
|
|
* |
|
22
|
|
|
* ``` |
|
23
|
|
|
* RewriteRule .* - [E=HTTP_AUTHORIZATION:%{HTTP:Authorization},L] |
|
24
|
|
|
* ``` |
|
25
|
|
|
*/ |
|
26
|
|
|
final class HttpBasic implements AuthenticationMethodInterface |
|
27
|
|
|
{ |
|
28
|
|
|
private string $realm = 'api'; |
|
29
|
|
|
|
|
30
|
|
|
/** |
|
31
|
|
|
* @var callable|null |
|
32
|
|
|
*/ |
|
33
|
|
|
private $authenticationCallback; |
|
34
|
|
|
|
|
35
|
|
|
private IdentityRepositoryInterface $identityRepository; |
|
36
|
|
|
|
|
37
|
11 |
|
public function __construct(IdentityRepositoryInterface $identityRepository) |
|
38
|
|
|
{ |
|
39
|
11 |
|
$this->identityRepository = $identityRepository; |
|
40
|
11 |
|
} |
|
41
|
|
|
|
|
42
|
8 |
|
public function authenticate(ServerRequestInterface $request): ?IdentityInterface |
|
43
|
|
|
{ |
|
44
|
8 |
|
[$username, $password] = $this->getAuthenticationCredentials($request); |
|
45
|
|
|
|
|
46
|
8 |
|
if ($this->authenticationCallback !== null && ($username !== null || $password !== null)) { |
|
47
|
2 |
|
return \call_user_func($this->authenticationCallback, $username, $password, $this->identityRepository); |
|
48
|
|
|
} |
|
49
|
|
|
|
|
50
|
6 |
|
if ($username !== null) { |
|
51
|
4 |
|
return $this->identityRepository->findIdentityByToken($username, self::class); |
|
52
|
|
|
} |
|
53
|
|
|
|
|
54
|
2 |
|
return null; |
|
55
|
|
|
} |
|
56
|
|
|
|
|
57
|
2 |
|
public function challenge(ResponseInterface $response): ResponseInterface |
|
58
|
|
|
{ |
|
59
|
2 |
|
return $response->withHeader('WWW-Authenticate', "Basic realm=\"{$this->realm}\""); |
|
60
|
|
|
} |
|
61
|
|
|
|
|
62
|
|
|
/** |
|
63
|
|
|
* @param callable $authenticationCallback A PHP callable that will authenticate the user with the HTTP basic |
|
64
|
|
|
* authentication information. The callable should have the following signature: |
|
65
|
|
|
* |
|
66
|
|
|
* ```php |
|
67
|
|
|
* static function ( |
|
68
|
|
|
* string $username, |
|
69
|
|
|
* string $password, |
|
70
|
|
|
* \Yiisoft\Auth\IdentityRepositoryInterface $identityRepository |
|
71
|
|
|
* ): ?\Yiisoft\Auth\IdentityInterface |
|
72
|
|
|
* ``` |
|
73
|
|
|
* |
|
74
|
|
|
* It should return an identity object that matches the username and password. |
|
75
|
|
|
* Null should be returned if there is no such identity. |
|
76
|
|
|
* The callable will be called only if current user is not authenticated. |
|
77
|
|
|
* |
|
78
|
|
|
* If not set, the username information will be considered as an access token |
|
79
|
|
|
* while the password information will be ignored. The {@see \Yiisoft\Auth\IdentityRepositoryInterface::findIdentityByToken()} |
|
80
|
|
|
* method will be called to authenticate an identity. |
|
81
|
|
|
* @return self |
|
82
|
|
|
*/ |
|
83
|
3 |
|
public function withAuthenticationCallback(callable $authenticationCallback): self |
|
84
|
|
|
{ |
|
85
|
3 |
|
$new = clone $this; |
|
86
|
3 |
|
$new->authenticationCallback = $authenticationCallback; |
|
87
|
3 |
|
return $new; |
|
88
|
|
|
} |
|
89
|
|
|
|
|
90
|
|
|
/** |
|
91
|
|
|
* @param string $realm The HTTP authentication realm. |
|
92
|
|
|
* @return $this |
|
93
|
|
|
*/ |
|
94
|
2 |
|
public function withRealm(string $realm): self |
|
95
|
|
|
{ |
|
96
|
2 |
|
$new = clone $this; |
|
97
|
2 |
|
$new->realm = $realm; |
|
98
|
2 |
|
return $new; |
|
99
|
|
|
} |
|
100
|
|
|
|
|
101
|
|
|
/** |
|
102
|
|
|
* Obtains authentication credentials from request. |
|
103
|
|
|
* |
|
104
|
|
|
* @param ServerRequestInterface $request |
|
105
|
|
|
* @return array ['username', 'password'] array. |
|
106
|
|
|
*/ |
|
107
|
8 |
|
private function getAuthenticationCredentials(ServerRequestInterface $request): array |
|
108
|
|
|
{ |
|
109
|
8 |
|
$username = $request->getServerParams()['PHP_AUTH_USER'] ?? null; |
|
110
|
8 |
|
$password = $request->getServerParams()['PHP_AUTH_PW'] ?? null; |
|
111
|
8 |
|
if ($username !== null || $password !== null) { |
|
112
|
4 |
|
return [$username, $password]; |
|
113
|
|
|
} |
|
114
|
|
|
|
|
115
|
|
|
/* |
|
116
|
|
|
* Apache with php-cgi does not pass HTTP Basic authentication to PHP by default. |
|
117
|
|
|
* To make it work, add the following line to to your .htaccess file: |
|
118
|
|
|
* |
|
119
|
|
|
* RewriteRule .* - [E=HTTP_AUTHORIZATION:%{HTTP:Authorization}] |
|
120
|
|
|
*/ |
|
121
|
4 |
|
$token = $this->getTokenFromHeaders($request); |
|
122
|
4 |
|
if ($token !== null && $this->isBasicToken($token)) { |
|
123
|
3 |
|
$credentials = $this->extractCredentialsFromHeader($token); |
|
124
|
3 |
|
if (\count($credentials) < 2) { |
|
125
|
1 |
|
return [$credentials[0], null]; |
|
126
|
|
|
} |
|
127
|
|
|
|
|
128
|
2 |
|
return $credentials; |
|
129
|
|
|
} |
|
130
|
|
|
|
|
131
|
1 |
|
return [null, null]; |
|
132
|
|
|
} |
|
133
|
|
|
|
|
134
|
4 |
|
private function getTokenFromHeaders(ServerRequestInterface $request): ?string |
|
135
|
|
|
{ |
|
136
|
4 |
|
$header = $request->getHeaderLine('Authorization'); |
|
137
|
4 |
|
if (!empty($header)) { |
|
138
|
2 |
|
return $header; |
|
139
|
|
|
} |
|
140
|
|
|
|
|
141
|
2 |
|
return $request->getServerParams()['REDIRECT_HTTP_AUTHORIZATION'] ?? null; |
|
142
|
|
|
} |
|
143
|
|
|
|
|
144
|
3 |
|
private function extractCredentialsFromHeader(string $authToken): array |
|
145
|
|
|
{ |
|
146
|
3 |
|
return array_map( |
|
147
|
3 |
|
fn ($value) => $value === '' ? null : $value, |
|
148
|
3 |
|
explode(':', base64_decode(mb_substr($authToken, 6)), 2) |
|
149
|
|
|
); |
|
150
|
|
|
} |
|
151
|
|
|
|
|
152
|
3 |
|
private function isBasicToken(string $token): bool |
|
153
|
|
|
{ |
|
154
|
3 |
|
return strncasecmp($token, 'basic', 5) === 0; |
|
155
|
|
|
} |
|
156
|
|
|
} |
|
157
|
|
|
|
yiisoft /
auth
