xref: /dokuwiki/lib/plugins/config/core/Setting/SettingEmail.php (revision 8c7c53b0321a3cd3116b8d3b2ad27863a38dece7) 
1<?php
2
3namespace dokuwiki\plugin\config\core\Setting;
4
5/**
6 * Class setting_email
7 */
8class SettingEmail extends SettingString
9{
10    protected $multiple = false;
11    protected $placeholders = false;
12
13    /** @inheritdoc */
14    public function update($input) {
15        if(is_null($input)) return false;
16        if($this->isProtected()) return false;
17
18        $value = is_null($this->local) ? $this->default : $this->local;
19        if($value == $input) return false;
20        if($input === '') {
21            $this->local = $input;
22            return true;
23        }
24        $mail = $input;
25
26        if($this->placeholders) {
27            // replace variables with pseudo values
28            $mail = str_replace('@USER@', 'joe', $mail);
29            $mail = str_replace('@NAME@', 'Joe Schmoe', $mail);
30            $mail = str_replace('@MAIL@', 'joe@example.com', $mail);
31        }
32
33        // multiple mail addresses?
34        if($this->multiple) {
35            $mails = array_filter(array_map('trim', explode(',', $mail)));
36        } else {
37            $mails = [$mail];
38        }
39
40        // check them all
41        foreach($mails as $mail) {
42            // only check the address part
43            if(preg_match('#(.*?)<(.*?)>#', $mail, $matches)) {
44                $addr = $matches[2];
45            } else {
46                $addr = $mail;
47            }
48
49            if(!mail_isvalid($addr)) {
50                $this->error = true;
51                $this->input = $input;
52                return false;
53            }
54        }
55
56        $this->local = $input;
57        return true;
58    }
59}
60