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Current File : /www/capitalgmcbuickregina_830/public/wp-includes/SimplePie/src/Locator.php

<?php

// SPDX-FileCopyrightText: 2004-2023 Ryan Parman, Sam Sneddon, Ryan McCue
// SPDX-License-Identifier: BSD-3-Clause

declare(strict_types=1);

namespace SimplePie;

use DomDocument;
use Psr\Http\Client\ClientInterface;
use Psr\Http\Message\RequestFactoryInterface;
use Psr\Http\Message\UriFactoryInterface;
use SimplePie\HTTP\Client;
use SimplePie\HTTP\ClientException;
use SimplePie\HTTP\FileClient;
use SimplePie\HTTP\Psr18Client;
use SimplePie\HTTP\Response;

/**
 * Used for feed auto-discovery
 *
 *
 * This class can be overloaded with {@see \SimplePie\SimplePie::set_locator_class()}
 */
class Locator implements RegistryAware
{
    /** @var ?string */
    public $useragent = null;
    /** @var int */
    public $timeout = 10;
    /** @var File */
    public $file;
    /** @var string[] */
    public $local = [];
    /** @var string[] */
    public $elsewhere = [];
    /** @var array<mixed> */
    public $cached_entities = [];
    /** @var string */
    public $http_base;
    /** @var string */
    public $base;
    /** @var int */
    public $base_location = 0;
    /** @var int */
    public $checked_feeds = 0;
    /** @var int */
    public $max_checked_feeds = 10;
    /** @var bool */
    public $force_fsockopen = false;
    /** @var array<int, mixed> */
    public $curl_options = [];
    /** @var ?\DomDocument */
    public $dom;
    /** @var ?Registry */
    protected $registry;

    /**
     * @var Client|null
     */
    private $http_client = null;

    /**
     * @param array<int, mixed> $curl_options
     */
    public function __construct(File $file, int $timeout = 10, ?string $useragent = null, int $max_checked_feeds = 10, bool $force_fsockopen = false, array $curl_options = [])
    {
        $this->file = $file;
        $this->useragent = $useragent;
        $this->timeout = $timeout;
        $this->max_checked_feeds = $max_checked_feeds;
        $this->force_fsockopen = $force_fsockopen;
        $this->curl_options = $curl_options;

        $body = $this->file->get_body_content();

        if (class_exists('DOMDocument') && $body != '') {
            $this->dom = new \DOMDocument();

            set_error_handler([Misc::class, 'silence_errors']);
            try {
                $this->dom->loadHTML($body);
            } catch (\Throwable $ex) {
                $this->dom = null;
            }
            restore_error_handler();
        } else {
            $this->dom = null;
        }
    }

    /**
     * Set a PSR-18 client and PSR-17 factories
     *
     * Allows you to use your own HTTP client implementations.
     */
    final public function set_http_client(
        ClientInterface $http_client,
        RequestFactoryInterface $request_factory,
        UriFactoryInterface $uri_factory
    ): void {
        $this->http_client = new Psr18Client($http_client, $request_factory, $uri_factory);
    }

    /**
     * @return void
     */
    public function set_registry(\SimplePie\Registry $registry)
    {
        $this->registry = $registry;
    }

    /**
     * @param SimplePie::LOCATOR_* $type
     * @param array<Response>|null $working
     * @return Response|null
     */
    public function find(int $type = \SimplePie\SimplePie::LOCATOR_ALL, ?array &$working = null)
    {
        assert($this->registry !== null);

        if ($this->is_feed($this->file)) {
            return $this->file;
        }

        if (Misc::is_remote_uri($this->file->get_final_requested_uri())) {
            $sniffer = $this->registry->create(Content\Type\Sniffer::class, [$this->file]);
            if ($sniffer->get_type() !== 'text/html') {
                return null;
            }
        }

        if ($type & ~\SimplePie\SimplePie::LOCATOR_NONE) {
            $this->get_base();
        }

        if ($type & \SimplePie\SimplePie::LOCATOR_AUTODISCOVERY && $working = $this->autodiscovery()) {
            return $working[0];
        }

        if ($type & (\SimplePie\SimplePie::LOCATOR_LOCAL_EXTENSION | \SimplePie\SimplePie::LOCATOR_LOCAL_BODY | \SimplePie\SimplePie::LOCATOR_REMOTE_EXTENSION | \SimplePie\SimplePie::LOCATOR_REMOTE_BODY) && $this->get_links()) {
            if ($type & \SimplePie\SimplePie::LOCATOR_LOCAL_EXTENSION && $working = $this->extension($this->local)) {
                return $working[0];
            }

            if ($type & \SimplePie\SimplePie::LOCATOR_LOCAL_BODY && $working = $this->body($this->local)) {
                return $working[0];
            }

            if ($type & \SimplePie\SimplePie::LOCATOR_REMOTE_EXTENSION && $working = $this->extension($this->elsewhere)) {
                return $working[0];
            }

            if ($type & \SimplePie\SimplePie::LOCATOR_REMOTE_BODY && $working = $this->body($this->elsewhere)) {
                return $working[0];
            }
        }
        return null;
    }

    /**
     * @return bool
     */
    public function is_feed(Response $file, bool $check_html = false)
    {
        assert($this->registry !== null);

        if (Misc::is_remote_uri($file->get_final_requested_uri())) {
            $sniffer = $this->registry->create(Content\Type\Sniffer::class, [$file]);
            $sniffed = $sniffer->get_type();
            $mime_types = ['application/rss+xml', 'application/rdf+xml',
                                'text/rdf', 'application/atom+xml', 'text/xml',
                                'application/xml', 'application/x-rss+xml'];
            if ($check_html) {
                $mime_types[] = 'text/html';
            }

            return in_array($sniffed, $mime_types);
        } elseif (is_file($file->get_final_requested_uri())) {
            return true;
        } else {
            return false;
        }
    }

    /**
     * @return void
     */
    public function get_base()
    {
        assert($this->registry !== null);

        if ($this->dom === null) {
            throw new \SimplePie\Exception('DOMDocument not found, unable to use locator');
        }
        $this->http_base = $this->file->get_final_requested_uri();
        $this->base = $this->http_base;
        $elements = $this->dom->getElementsByTagName('base');
        foreach ($elements as $element) {
            if ($element->hasAttribute('href')) {
                $base = $this->registry->call(Misc::class, 'absolutize_url', [trim($element->getAttribute('href')), $this->http_base]);
                if ($base === false) {
                    continue;
                }
                $this->base = $base;
                $this->base_location = method_exists($element, 'getLineNo') ? $element->getLineNo() : 0;
                break;
            }
        }
    }

    /**
     * @return array<Response>|null
     */
    public function autodiscovery()
    {
        $done = [];
        $feeds = [];
        $feeds = array_merge($feeds, $this->search_elements_by_tag('link', $done, $feeds));
        $feeds = array_merge($feeds, $this->search_elements_by_tag('a', $done, $feeds));
        $feeds = array_merge($feeds, $this->search_elements_by_tag('area', $done, $feeds));

        if (!empty($feeds)) {
            return array_values($feeds);
        }

        return null;
    }

    /**
     * @param string[] $done
     * @param array<string, Response> $feeds
     * @return array<string, Response>
     */
    protected function search_elements_by_tag(string $name, array &$done, array $feeds)
    {
        assert($this->registry !== null);

        if ($this->dom === null) {
            throw new \SimplePie\Exception('DOMDocument not found, unable to use locator');
        }

        $links = $this->dom->getElementsByTagName($name);
        foreach ($links as $link) {
            if ($this->checked_feeds === $this->max_checked_feeds) {
                break;
            }
            if ($link->hasAttribute('href') && $link->hasAttribute('rel')) {
                $rel = array_unique($this->registry->call(Misc::class, 'space_separated_tokens', [strtolower($link->getAttribute('rel'))]));
                $line = method_exists($link, 'getLineNo') ? $link->getLineNo() : 1;

                if ($this->base_location < $line) {
                    $href = $this->registry->call(Misc::class, 'absolutize_url', [trim($link->getAttribute('href')), $this->base]);
                } else {
                    $href = $this->registry->call(Misc::class, 'absolutize_url', [trim($link->getAttribute('href')), $this->http_base]);
                }
                if ($href === false) {
                    continue;
                }

                if (!in_array($href, $done) && in_array('feed', $rel) || (in_array('alternate', $rel) && !in_array('stylesheet', $rel) && $link->hasAttribute('type') && in_array(strtolower($this->registry->call(Misc::class, 'parse_mime', [$link->getAttribute('type')])), ['text/html', 'application/rss+xml', 'application/atom+xml'])) && !isset($feeds[$href])) {
                    $this->checked_feeds++;
                    $headers = [
                        'Accept' => SimplePie::DEFAULT_HTTP_ACCEPT_HEADER,
                    ];

                    try {
                        $feed = $this->get_http_client()->request(Client::METHOD_GET, $href, $headers);

                        if ((!Misc::is_remote_uri($feed->get_final_requested_uri()) || ($feed->get_status_code() === 200 || $feed->get_status_code() > 206 && $feed->get_status_code() < 300)) && $this->is_feed($feed, true)) {
                            $feeds[$href] = $feed;
                        }
                    } catch (ClientException $th) {
                        // Just mark it as done and continue.
                    }
                }
                $done[] = $href;
            }
        }

        return $feeds;
    }

    /**
     * @return true|null
     */
    public function get_links()
    {
        assert($this->registry !== null);

        if ($this->dom === null) {
            throw new \SimplePie\Exception('DOMDocument not found, unable to use locator');
        }

        $links = $this->dom->getElementsByTagName('a');
        foreach ($links as $link) {
            if ($link->hasAttribute('href')) {
                $href = trim($link->getAttribute('href'));
                $parsed = $this->registry->call(Misc::class, 'parse_url', [$href]);
                if ($parsed['scheme'] === '' || preg_match('/^(https?|feed)?$/i', $parsed['scheme'])) {
                    if (method_exists($link, 'getLineNo') && $this->base_location < $link->getLineNo()) {
                        $href = $this->registry->call(Misc::class, 'absolutize_url', [trim($link->getAttribute('href')), $this->base]);
                    } else {
                        $href = $this->registry->call(Misc::class, 'absolutize_url', [trim($link->getAttribute('href')), $this->http_base]);
                    }
                    if ($href === false) {
                        continue;
                    }

                    $current = $this->registry->call(Misc::class, 'parse_url', [$this->file->get_final_requested_uri()]);

                    if ($parsed['authority'] === '' || $parsed['authority'] === $current['authority']) {
                        $this->local[] = $href;
                    } else {
                        $this->elsewhere[] = $href;
                    }
                }
            }
        }
        $this->local = array_unique($this->local);
        $this->elsewhere = array_unique($this->elsewhere);
        if (!empty($this->local) || !empty($this->elsewhere)) {
            return true;
        }
        return null;
    }

    /**
     * Extracts first `link` element with given `rel` attribute inside the `head` element.
     *
     * @return string|null
     */
    public function get_rel_link(string $rel)
    {
        assert($this->registry !== null);

        if ($this->dom === null) {
            throw new \SimplePie\Exception('DOMDocument not found, unable to use '.
                                          'locator');
        }
        if (!class_exists('DOMXpath')) {
            throw new \SimplePie\Exception('DOMXpath not found, unable to use '.
                                          'get_rel_link');
        }

        $xpath = new \DOMXpath($this->dom);
        $query = '(//head)[1]/link[@rel and @href]';
        /** @var \DOMNodeList<\DOMElement> */
        $queryResult = $xpath->query($query);
        foreach ($queryResult as $link) {
            $href = trim($link->getAttribute('href'));
            $parsed = $this->registry->call(Misc::class, 'parse_url', [$href]);
            if ($parsed['scheme'] === '' ||
                preg_match('/^https?$/i', $parsed['scheme'])) {
                if (method_exists($link, 'getLineNo') &&
                    $this->base_location < $link->getLineNo()) {
                    $href = $this->registry->call(
                        Misc::class,
                        'absolutize_url',
                        [trim($link->getAttribute('href')), $this->base]
                    );
                } else {
                    $href = $this->registry->call(
                        Misc::class,
                        'absolutize_url',
                        [trim($link->getAttribute('href')), $this->http_base]
                    );
                }
                if ($href === false) {
                    return null;
                }
                $rel_values = explode(' ', strtolower($link->getAttribute('rel')));
                if (in_array($rel, $rel_values)) {
                    return $href;
                }
            }
        }

        return null;
    }

    /**
     * @param string[] $array
     * @return array<Response>|null
     */
    public function extension(array &$array)
    {
        foreach ($array as $key => $value) {
            if ($this->checked_feeds === $this->max_checked_feeds) {
                break;
            }
            $extension = strrchr($value, '.');
            if ($extension !== false && in_array(strtolower($extension), ['.rss', '.rdf', '.atom', '.xml'])) {
                $this->checked_feeds++;

                $headers = [
                    'Accept' => SimplePie::DEFAULT_HTTP_ACCEPT_HEADER,
                ];

                try {
                    $feed = $this->get_http_client()->request(Client::METHOD_GET, $value, $headers);

                    if ((!Misc::is_remote_uri($feed->get_final_requested_uri()) || ($feed->get_status_code() === 200 || $feed->get_status_code() > 206 && $feed->get_status_code() < 300)) && $this->is_feed($feed)) {
                        return [$feed];
                    }
                } catch (ClientException $th) {
                    // Just unset and continue.
                }

                unset($array[$key]);
            }
        }
        return null;
    }

    /**
     * @param string[] $array
     * @return array<Response>|null
     */
    public function body(array &$array)
    {
        foreach ($array as $key => $value) {
            if ($this->checked_feeds === $this->max_checked_feeds) {
                break;
            }
            if (preg_match('/(feed|rss|rdf|atom|xml)/i', $value)) {
                $this->checked_feeds++;
                $headers = [
                    'Accept' => SimplePie::DEFAULT_HTTP_ACCEPT_HEADER,
                ];

                try {
                    $feed = $this->get_http_client()->request(Client::METHOD_GET, $value, $headers);

                    if ((!Misc::is_remote_uri($feed->get_final_requested_uri()) || ($feed->get_status_code() === 200 || $feed->get_status_code() > 206 && $feed->get_status_code() < 300)) && $this->is_feed($feed)) {
                        return [$feed];
                    }
                } catch (ClientException $th) {
                    // Just unset and continue.
                }

                unset($array[$key]);
            }
        }
        return null;
    }

    /**
     * Get a HTTP client
     */
    private function get_http_client(): Client
    {
        assert($this->registry !== null);

        if ($this->http_client === null) {
            $options = [
                'timeout' => $this->timeout,
                'redirects' => 5,
                'force_fsockopen' => $this->force_fsockopen,
                'curl_options' => $this->curl_options,
            ];

            if ($this->useragent !== null) {
                $options['useragent'] = $this->useragent;
            }

            return new FileClient(
                $this->registry,
                $options
            );
        }

        return $this->http_client;
    }
}

class_alias('SimplePie\Locator', 'SimplePie_Locator', false);

Home - Capital GMC Buick Regina

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Welcome to Capital GMC BUICK – REGINA

Thank you for choosing Capital GMC Buick | Regina, your premier certified Buick and GMC dealership proudly serving drivers in Regina and the surrounding communities. Whether you’re searching for a brand-new Buick or GMC vehicle or a meticulously inspected pre-owned model, we have a diverse selection to match your needs and lifestyle.

Beyond our impressive inventory, we offer a seamless and stress-free financing experience through our well-connected finance centre, where our team of experts is dedicated to securing the best loan or lease options for you, quickly, transparently, and hassle-free.

But our commitment to you doesn’t stop at the sale. Our state-of-the-art service centre is staffed with skilled Buick and GMC technicians who use the latest equipment and genuine OEM parts to keep your vehicle running at its best. From routine maintenance to complex repairs, we’ve got you covered.

Experience top-tier customer service, quality vehicles, and expert care, all in one place. Visit Capital GMC Buick | Regina today or call us at 306-205-8072 with any questions. We’re here to help!

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