| @@ -1,95 +1,0 @@ | ||
| 1 | -<?php | |
| 2 | -defined('ABSPATH') || die('Restricted Access'); | |
| 3 | - | |
| 4 | -function acym_getEmailRegex(bool $secureJS = false, bool $forceRegex = false): string | |
| 5 | -{ | |
| 6 | - $config = acym_config(); | |
| 7 | - if ($forceRegex || $config->get('special_chars', 0) != 1) { | |
| 8 | - $regex = '[a-z0-9!#$%&\'*+\/=?^_`{|}~-]+(?:\.[a-z0-9!#$%&\'*+\/=?^_`{|}~-]+)*\@([a-z0-9-]+\.)+[a-z0-9]{2,20}'; | |
| 9 | - } else { | |
| 10 | - $regex = '.+\@(.+\.)+.{2,20}'; | |
| 11 | - } | |
| 12 | - | |
| 13 | - if ($secureJS) { | |
| 14 | - $regex = str_replace(['"', "'"], ['\"', "\'"], $regex); | |
| 15 | - } | |
| 16 | - | |
| 17 | - return $regex; | |
| 18 | -} | |
| 19 | - | |
| 20 | -function acym_isValidEmail($email, bool $extended = false): bool | |
| 21 | -{ | |
| 22 | - if (empty($email) || !is_string($email)) { | |
| 23 | - return false; | |
| 24 | - } | |
| 25 | - | |
| 26 | - if (!preg_match('/^'.acym_getEmailRegex().'$/i', $email)) { | |
| 27 | - return false; | |
| 28 | - } | |
| 29 | - | |
| 30 | - if (!$extended) { | |
| 31 | - return true; | |
| 32 | - } | |
| 33 | - | |
| 34 | - //Now we do an extended verification... | |
| 35 | - | |
| 36 | - $config = acym_config(); | |
| 37 | - | |
| 38 | - if ($config->get('email_checkdomain', false) && function_exists('getmxrr')) { | |
| 39 | - $domain = substr($email, strrpos($email, '@') + 1); | |
| 40 | - $mxhosts = []; | |
| 41 | - //Check if the domain exists | |
| 42 | - $checkDomain = getmxrr($domain, $mxhosts); | |
| 43 | - //Sometimes the returned host is checkyouremailaddress-hostnamedoesnotexist262392208.com ... not sure why! | |
| 44 | - //But we remove it if it's the case... | |
| 45 | - if (!empty($mxhosts) && strpos($mxhosts[0], 'hostnamedoesnotexist')) { | |
| 46 | - array_shift($mxhosts); | |
| 47 | - } | |
| 48 | - if (!$checkDomain || empty($mxhosts)) { | |
| 49 | - //Lets check with another function in case of... | |
| 50 | - $dns = @dns_get_record($domain, DNS_A); | |
| 51 | - if (empty($dns)) { | |
| 52 | - return false; | |
| 53 | - } | |
| 54 | - | |
| 55 | - $domainChanged = true; | |
| 56 | - foreach ($dns as $oneRes) { | |
| 57 | - if (strtolower($oneRes['host']) == strtolower($domain)) { | |
| 58 | - $domainChanged = false; | |
| 59 | - } | |
| 60 | - } | |
| 61 | - | |
| 62 | - if ($domainChanged) { | |
| 63 | - return false; | |
| 64 | - } | |
| 65 | - } | |
| 66 | - } | |
| 67 | - | |
| 68 | - $ip = acym_getIP(); | |
| 69 | - | |
| 70 | - // Check IP to limit subscription to max 3 per 2 hours | |
| 71 | - if (!empty($ip) && $config->get('email_iptimecheck', 0)) { | |
| 72 | - $lapseTime = time() - 7200; | |
| 73 | - $nbUsers = acym_loadResult('SELECT COUNT(*) FROM #__acym_user WHERE creation_date > '.intval($lapseTime).' AND ip = '.acym_escapeDB($ip)); | |
| 74 | - if ($nbUsers >= 3) { | |
| 75 | - return false; | |
| 76 | - } | |
| 77 | - } | |
| 78 | - | |
| 79 | - return true; | |
| 80 | -} | |
| 81 | - | |
| 82 | -function acym_isPunycode(string $email): bool | |
| 83 | -{ | |
| 84 | - return strpos($email, '@xn--') !== false; | |
| 85 | -} | |
| 86 | - | |
| 87 | -function acym_getDomain(string $email): string | |
| 88 | -{ | |
| 89 | - $aPos = strrpos($email, '@'); | |
| 90 | - if (empty($aPos)) { | |
| 91 | - return ''; | |
| 92 | - } | |
| 93 | - | |
| 94 | - return substr($email, $aPos + 1); | |
| 95 | -} | |