|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
namespace EventEspresso\core\domain\services\validation\email\strategies; |
|
4
|
|
|
|
|
5
|
|
|
use EventEspresso\core\domain\services\validation\email\EmailValidationException; |
|
6
|
|
|
use EventEspresso\core\domain\services\validation\email\EmailValidatorInterface; |
|
7
|
|
|
|
|
8
|
|
|
defined('EVENT_ESPRESSO_VERSION') || exit('No direct script access allowed'); |
|
9
|
|
|
|
|
10
|
|
|
|
|
11
|
|
|
|
|
12
|
|
|
/** |
|
13
|
|
|
* Class Basic |
|
14
|
|
|
* Performs super basic email validation |
|
15
|
|
|
* |
|
16
|
|
|
* @package Event Espresso |
|
17
|
|
|
* @author Mike Nelson |
|
18
|
|
|
* @since $VID:$ |
|
19
|
|
|
*/ |
|
20
|
|
|
class Basic implements EmailValidatorInterface |
|
21
|
|
|
{ |
|
22
|
|
|
|
|
23
|
|
|
/** |
|
24
|
|
|
* @param string $email_address |
|
25
|
|
|
* @return bool |
|
26
|
|
|
* @throws EmailValidationException |
|
27
|
|
|
*/ |
|
28
|
|
|
public function validate($email_address) |
|
29
|
|
|
{ |
|
30
|
|
|
if (! preg_match('/^.+\@\S+$/', $email_address)) { |
|
31
|
|
|
// email not in correct {string}@{string} format |
|
32
|
|
|
throw new EmailValidationException( |
|
33
|
|
|
esc_html__('Email does not have the required @ sign.', 'event_espresso') |
|
34
|
|
|
); |
|
35
|
|
|
} |
|
36
|
|
|
$atIndex = $this->getAtIndex($email_address); |
|
37
|
|
|
$local = $this->getLocalPartOfEmail($email_address, $atIndex); |
|
38
|
|
|
$localLen = strlen($local); |
|
39
|
|
|
if ($localLen < 1) { |
|
40
|
|
|
//no local part |
|
41
|
|
|
throw new EmailValidationException( |
|
42
|
|
|
esc_html__('Email local-part (before the @) is required.', 'event_espresso') |
|
43
|
|
|
); |
|
44
|
|
|
} |
|
45
|
|
|
if ($localLen > 64) { |
|
46
|
|
|
// local part length exceeded |
|
47
|
|
|
throw new EmailValidationException( |
|
48
|
|
|
esc_html__('Email local-part (before the @) is too long.', 'event_espresso') |
|
49
|
|
|
); |
|
50
|
|
|
} |
|
51
|
|
|
if ($local[0] === '.') { |
|
52
|
|
|
// local part starts with '.' |
|
53
|
|
|
throw new EmailValidationException( |
|
54
|
|
|
esc_html__('Email local-part (before the @) must not begin with a period.', 'event_espresso') |
|
55
|
|
|
); |
|
56
|
|
|
} |
|
57
|
|
|
if ($local[$localLen - 1] === '.') { |
|
58
|
|
|
// local part starts or ends with '.' |
|
59
|
|
|
throw new EmailValidationException( |
|
60
|
|
|
esc_html__('Email local-part (before the @) must not end with a period.', 'event_espresso') |
|
61
|
|
|
); |
|
62
|
|
|
} |
|
63
|
|
|
if (preg_match('/\\.\\./', $local)) { |
|
64
|
|
|
// local part has two consecutive dots |
|
65
|
|
|
throw new EmailValidationException( |
|
66
|
|
|
esc_html__( |
|
67
|
|
|
'Email local-part (before the @) must not have two consecutive periods.', |
|
68
|
|
|
'event_espresso' |
|
69
|
|
|
) |
|
70
|
|
|
); |
|
71
|
|
|
} |
|
72
|
|
|
$domain = $this->getDomainPartOfEmail($email_address, $atIndex); |
|
73
|
|
|
$domainLen = strlen($domain); |
|
74
|
|
|
if ($domainLen < 1) { |
|
75
|
|
|
throw new EmailValidationException( |
|
76
|
|
|
esc_html__('Email domain (after the @) is required.', 'event_espresso') |
|
77
|
|
|
); |
|
78
|
|
|
} |
|
79
|
|
|
if ($domainLen > 255) { |
|
80
|
|
|
// domain part length exceeded |
|
81
|
|
|
throw new EmailValidationException( |
|
82
|
|
|
esc_html__('Email domain (after the @) is too long.', 'event_espresso') |
|
83
|
|
|
); |
|
84
|
|
|
} |
|
85
|
|
|
if (preg_match('/\\.\\./', $domain)) { |
|
86
|
|
|
// domain part has two consecutive dots |
|
87
|
|
|
throw new EmailValidationException( |
|
88
|
|
|
esc_html__('Email domain (after the @) must not have two consecutive periods.', 'event_espresso') |
|
89
|
|
|
); |
|
90
|
|
|
} |
|
91
|
|
|
return true; |
|
92
|
|
|
} |
|
93
|
|
|
|
|
94
|
|
|
|
|
95
|
|
|
|
|
96
|
|
|
/** |
|
97
|
|
|
* returns the location of the @ symbol |
|
98
|
|
|
* |
|
99
|
|
|
* @param string $email_address |
|
100
|
|
|
* @return bool|string |
|
101
|
|
|
*/ |
|
102
|
|
|
protected function getAtIndex($email_address) |
|
103
|
|
|
{ |
|
104
|
|
|
return strrpos($email_address, '@'); |
|
105
|
|
|
} |
|
106
|
|
|
|
|
107
|
|
|
|
|
108
|
|
|
|
|
109
|
|
|
/** |
|
110
|
|
|
* Gets the local part of the email |
|
111
|
|
|
* |
|
112
|
|
|
* @param string $email_address |
|
113
|
|
|
* @param bool|int $atIndex |
|
114
|
|
|
* @return bool|string |
|
115
|
|
|
*/ |
|
116
|
|
|
protected function getLocalPartOfEmail($email_address, $atIndex) |
|
117
|
|
|
{ |
|
118
|
|
|
return substr($email_address, 0, $atIndex); |
|
119
|
|
|
} |
|
120
|
|
|
|
|
121
|
|
|
|
|
122
|
|
|
|
|
123
|
|
|
/** |
|
124
|
|
|
* Gets the domain part of the email |
|
125
|
|
|
* |
|
126
|
|
|
* @param string $email_address |
|
127
|
|
|
* @param bool|int $atIndex |
|
128
|
|
|
* @return bool|string |
|
129
|
|
|
*/ |
|
130
|
|
|
protected function getDomainPartOfEmail($email_address, $atIndex) |
|
131
|
|
|
{ |
|
132
|
|
|
return substr($email_address, $atIndex + 1); |
|
133
|
|
|
} |
|
134
|
|
|
} |
|
135
|
|
|
// End of file Basic.php |
|
136
|
|
|
// Location: core\services\validation/Basic.php |
|
137
|
|
|
|
eventespresso /
event-espresso-core
