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Update Current.php

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Update isBot() method.
This commit is contained in:
Visman 2023-03-27 20:06:15 +07:00
parent 8a101858ff
commit 1bbb2e7796
1 changed files with 60 additions and 110 deletions
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170
app/Models/User/Current.php
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@ -116,137 +116,87 @@ class Current extends Action
return \trim($this->c->Secury->replInvalidChars($_SERVER['HTTP_USER_AGENT'] ?? ''));
}
protected $defRegex = '%(?:^|[ ()])\b([\w .-]*{}[\w/.!-]*)%i';
protected $botSearchList = [
'bot' => ['%(?<!cu)bot(?!tle)%'],
'crawl' => [''],
'spider' => ['%spider(?![\w ]*build/)%'],
'google' => ['%google(?:\w| |;|\-(?!tr))%'],
'wordpress' => ['', '%(wordpress)%i'],
'compatible' => ['%compatible(?!;\ msie)%', '%compatible[;) ]+([\w ./!-]+)%i']
];
/**
* Проверка на робота
* Если робот, то возврат имени
* Пытается по юзерагентуопределить робота
* Если робот, то возвращает вычисленное имя
*/
protected function isBot(string $agent) /* string|false */
protected function isBot(string $agent) /* : string|false */
{
if ('' == $agent) {
return false;
}
$agentL = \strtolower($agent);
$status = 0;
if (
false !== \strpos($agentL, 'bot')
|| false !== \strpos($agentL, 'spider')
|| false !== \strpos($agentL, 'crawler')
|| false !== \strpos($agentL, 'http')
false !== ($pos = \strpos($agentL, 'http:'))
|| false !== ($pos = \strpos($agentL, 'https:'))
|| false !== ($pos = \strpos($agentL, 'www.'))
) {
return $this->nameBot($agent, $agentL);
$status = 1;
$agent = \substr($agent, 0, $pos);
$agentL = \strtolower($agent);
}
if (
false !== \strpos($agent, 'Mozilla/')
&& (
false !== \strpos($agent, 'Gecko')
|| (
false !== \strpos($agent, '(compatible; MSIE ')
&& false !== \strpos($agent, 'Windows')
foreach ($this->botSearchList as $needle => $regex) {
if (
false !== \strpos($agentL, $needle)
&& (
'' == $regex[0]
|| \preg_match($regex[0], $agentL)
)
)
) {
return false;
} elseif (
false !== \strpos($agent, 'Opera/')
&& false !== \strpos($agent, 'Presto/')
) {
return false;
}
return $this->nameBot($agent, $agentL);
}
/**
* Выделяет имя робота из юзерагента
*/
protected function nameBot(string $agent, string $agentL): string
{
if (false !== \strpos($agentL, 'mozilla')) {
$agent = \preg_replace('%Mozilla.*?compatible%i', ' ', $agent);
}
if (false !== \strpos($agentL, 'http') || false !== \strpos($agentL, 'www.')) {
$agent = \preg_replace('%(?:https?://|www\.)[^\)]*(\)[^/]+$)?%i', ' ', $agent);
}
if (false !== \strpos($agent, '@')) {
$agent = \preg_replace('%\b[a-z0-9_\.-]+@[^\)]+%i', ' ', $agent);
}
$agentL = \strtolower($agent);
if (
false !== \strpos($agentL, 'bot')
|| false !== \strpos($agentL, 'spider')
|| false !== \strpos($agentL, 'crawler')
|| false !== \strpos($agentL, 'engine')
) {
$f = true;
$p = '%(?<=[^a-z\d\.-])(?:robot|bot|spider|crawler)\b.*%i';
} else {
$f = false;
$p = '%^$%';
&& \preg_match($regex[1] ?? \str_replace('{}', $needle, $this->defRegex), $agent, $match)
) {
$status = 2;
$agent = $match[1];
break;
}
}
if (
$f
&& \preg_match('%\b(([a-z\d\.! _-]+)?(?:robot|(?<!ro)bot|spider|crawler|engine)(?(2)[a-z\d\.! _-]*|[a-z\d\.! _-]+))%i', $agent, $matches)
0 === $status
&& 0 !== \substr_compare('Mozilla/', $agent, 0, 8)
&& 0 !== \substr_compare('Opera/', $agent, 0, 6)
) {
$agent = $matches[1];
$pat = [
$p,
'%[^a-z\d\.!-]+%i',
'%(?<=^|\s|-)v?\d+\.\d[^\s]*\s*%i',
'%(?<=^|\s)\S{1,2}(?:\s|$)%',
];
$rep = [
'',
' ',
'',
'',
];
} else {
$pat = [
'%\((?:KHTML|Linux|Mac|Windows|X11)[^\)]*\)?%i',
$p,
'%\b(?:AppleWebKit|Chrom|compatible|Firefox|Gecko|Mobile(?=[/ ])|Moz|Opera|OPR|Presto|Safari|Version)[^\s]*%i',
'%\b(?:InfoP|Intel|Linux|Mac|MRA|MRS|MSIE|SV|Trident|Win|WOW|X11)[^;\)]*%i',
'%\.NET[^;\)]*%i',
'%/.*%',
'%[^a-z\d\.!-]+%i',
'%(?<=^|\s|-)v?\d+\.\d[^\s]*\s*%i',
'%(?<=^|\s)\S{1,2}(?:\s|$)%',
];
$rep = [
' ',
'',
'',
'',
'',
'',
' ',
'',
'',
];
$status = 1;
}
$agent = \trim(\preg_replace($pat, $rep, $agent), ' -');
if (empty($agent)) {
if (0 === $status) {
return false;
}
$reg = [
'%[^\w/.-]+%',
'%(?:_| |-|\b)bot(?:_| |-|\b)%i',
'%(?<=^|\s)[^a-zA-Z\s]{1,2}(?:\s|$)%',
];
$rep = [
' ',
'',
'',
];
$agent = \trim(\preg_replace($reg, $rep, $agent));
if (
empty($agent)
|| isset($agent[28])
) {
return 'Unknown';
} else {
return $agent;
}
$a = \explode(' ', $agent);
$agent = $a[0];
if (
\strlen($agent) < 20
&& ! empty($a[1])
&& \strlen($agent . ' ' . $a[1]) < 26
) {
$agent .= ' ' . $a[1];
} elseif (\strlen($agent) > 25) {
$agent = 'Unknown';
}
return $agent;
}
/**