FM / src

/home/techb158/ileadtechnology.com/vendor/spatie/robots-txt/src/

/home/techb158/ileadtechnology.com/vendor/spatie/robots-txt/src

Name	Size	Mode	Actions
Robots.php	1606	0644	edit dl rm
RobotsHeaders.php	2676	0644	edit dl rm
RobotsMeta.php	1741	0644	edit dl rm
RobotsTxt.php	5020	0644	edit dl rm

Edit: /home/techb158/ileadtechnology.com/vendor/spatie/robots-txt/src/RobotsTxt.php (5020B)

<?php

namespace Spatie\Robots;

class RobotsTxt
{
    protected static $robotsCache = [];

protected $disallowsPerUserAgent = [];

public static function readFrom(string $source): self
    {
        $content = @file_get_contents($source);

return new self($content !== false ? $content : '');
    }

public function __construct(string $content)
    {
        $this->disallowsPerUserAgent = $this->getDisallowsPerUserAgent($content);
    }

public static function create(string $source): self
    {
        if (
            strpos($source, 'http') !== false
            && strpos($source, 'robots.txt') !== false
        ) {
            return self::readFrom($source);
        }

return new self($source);
    }

public function allows(string $url, ?string $userAgent = '*'): bool
    {
        $requestUri = '';

$parts = parse_url($url);

if ($parts !== false) {
            if (isset($parts['path'])) {
                $requestUri .= $parts['path'];
            }

if (isset($parts['query'])) {
                $requestUri .= '?'.$parts['query'];
            } elseif ($this->hasEmptyQueryString($url)) {
                $requestUri .= '?';
            }
        }

$disallows = $this->disallowsPerUserAgent[$userAgent] ?? $this->disallowsPerUserAgent['*'] ?? [];

return ! $this->pathIsDenied($requestUri, $disallows);
    }

protected function pathIsDenied(string $requestUri, array $disallows): bool
    {
        foreach ($disallows as $disallow) {
            if ($disallow === '') {
                continue;
            }

$stopAtEndOfString = false;

if ($disallow[-1] === '$') {
                // if the pattern ends with a dollar sign, the string must end there
                $disallow = substr($disallow, 0, -1);
                $stopAtEndOfString = true;
            }

// convert to regexp
            $disallowRegexp = preg_quote($disallow, '/');

// the pattern must start at the beginning of the string...
            $disallowRegexp = '^'.$disallowRegexp;

// ...and optionally stop at the end of the string
            if ($stopAtEndOfString) {
                $disallowRegexp .= '$';
            }

// replace (preg_quote'd) stars with an eager match
            $disallowRegexp = str_replace('\\*', '.*', $disallowRegexp);

// enclose in delimiters
            $disallowRegexp = '/'.$disallowRegexp.'/';

if (preg_match($disallowRegexp, $requestUri) === 1) {
                return true;
            }
        }

return false;
    }

/**
     * Checks for an empty query string.
     *
     * This works around the fact that parse_url() will not set the 'query' key when the query string is empty.
     * See: https://bugs.php.net/bug.php?id=78385
     */
    protected function hasEmptyQueryString(string $url): bool
    {
        if ($url === '') {
            return false;
        }

if ($url[-1] === '?') { // ends with ?
            return true;
        }

if (strpos($url, '?#') !== false) { // empty query string, followed by a fragment
            return true;
        }

return false;
    }

protected function getDisallowsPerUserAgent(string $content): array
    {
        $lines = explode(PHP_EOL, $content);

$lines = array_filter($lines);

$disallowsPerUserAgent = [];

$currentUserAgent = null;

foreach ($lines as $line) {
            if ($this->isCommentLine($line)) {
                continue;
            }

if ($this->isUserAgentLine($line)) {
                $disallowsPerUserAgent[$this->parseUserAgent($line)] = [];

$currentUserAgent = &$disallowsPerUserAgent[$this->parseUserAgent($line)];

continue;
            }

if ($currentUserAgent === null) {
                continue;
            }

$disallowUrl = $this->parseDisallow($line);

$currentUserAgent[$disallowUrl] = $disallowUrl;
        }

return $disallowsPerUserAgent;
    }

protected function isCommentLine(string $line): bool
    {
        return strpos(trim($line), '#') === 0;
    }

protected function isUserAgentLine(string $line): bool
    {
        return strpos(trim(strtolower($line)), 'user-agent') === 0;
    }

protected function parseUserAgent(string $line): string
    {
        return trim(str_replace('user-agent', '', strtolower(trim($line))), ': ');
    }

protected function parseDisallow(string $line): string
    {
        return trim(substr_replace(strtolower(trim($line)), '', 0, 8), ': ');
    }

/**
     * @deprecated
     */
    protected function concernsDirectory(string $path): bool
    {
        return substr($path, strlen($path) - 1, 1) === '/';
    }

/**
     * @deprecated
     */
    protected function isUrlInDirectory(string $url, string $path): bool
    {
        return strpos($url, $path) === 0;
    }
}

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