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sysadminstorysysadminstory
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[GreatFonBridge] Add new Instagram Viewer Bridge (RSS-Bridge#3791)
Add a new Instagram Bridge not using Cloudflare DDoS Protection
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‎bridges/GreatFonBridge.php

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<?php
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class GreatFonBridge extends BridgeAbstract
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{
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const MAINTAINER = 'sysadminstory';
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const NAME = 'GreatFon Bridge';
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const URI = 'https://greatfon.com/';
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const INSTAGRAMURI = 'https://www.instagram.com/';
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const CACHE_TIMEOUT = 3600; // 1h
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const DESCRIPTION = 'Returns GreatFon (Instagram viewer) content by user';
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const PARAMETERS = [
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'Username' => [
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'u' => [
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'name' => 'username',
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'type' => 'text',
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'title' => 'Instagram username you want to follow',
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'exampleValue' => 'aesoprockwins',
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'required' => true,
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],
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]
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];
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const TEST_DETECT_PARAMETERS = [
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'https://www.instagram.com/instagram/' => ['context' => 'Username', 'u' => 'instagram'],
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'https://instagram.com/instagram/' => ['context' => 'Username', 'u' => 'instagram'],
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'https://greatfon.com/v/instagram' => ['context' => 'Username', 'u' => 'instagram'],
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'https://www.greatfon.com/v/instagram' => ['context' => 'Username', 'u' => 'instagram'],
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];
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public function collectData()
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{
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$username = $this->getInput('u');
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$html = getSimpleHTMLDOMCached(self::URI . '/v/' . $username);
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$html = defaultLinkTo($html, self::URI);
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foreach ($html->find('div[class*=content__item]') as $post) {
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// Skip the ads
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if (!str_contains($post->class, 'ads')) {
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$url = $post->find('a[href^=https://greatfon.com/c/]', 0)->href;
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$date = $this->parseDate($post->find('div[class=content__time-text]', 0)->plaintext);
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$description = $post->find('img', 0)->alt;
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$imageUrl = $post->find('img', 0)->src;
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$author = $username;
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$uid = $url;
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$title = 'Post - ' . $username . ' - ' . $this->descriptionToTitle($description);
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// Checking post type
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$isVideo = (bool) $post->find('div[class=content__camera]', 0);
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$videoNote = $isVideo ? '<p><i>(video)</i></p>' : '';
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$this->items[] = [
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'uri' => $url,
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'author' => $author,
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'timestamp' => $date,
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'title' => $title,
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'thumbnail' => $imageUrl,
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'enclosures' => [$imageUrl],
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'content' => <<<HTML
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<a href="{$url}">
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<img loading="lazy" src="{$imageUrl}" alt="{$description}"/>
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</a>
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{$videoNote}
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<p>{$description}<p>
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HTML,
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'uid' => $uid
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];
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}
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}
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}
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private function parseDate($content)
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{
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// Parse date, and transform the date into a timetamp, even in a case of a relative date
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$date = date_create();
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// Content trimmed to be sure that the "article" is at the beginning of the string and remove "ago" to make it a valid PHP date interval
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$dateString = trim(str_replace(' ago', '', $content));
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// Replace the article "an" or "a" by the number "1" to be a valid PHP date interval
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$dateString = preg_replace('/^((an|a) )/m', '1 ', $dateString);
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$relativeDate = date_interval_create_from_date_string($dateString);
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if ($relativeDate) {
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date_sub($date, $relativeDate);
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// As the relative interval has the precision of a day for date older than 24 hours, we can remove the hour of the date, as it is not relevant
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date_time_set($date, 0, 0, 0, 0);
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} else {
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$this->logger->info(sprintf('Unable to parse date string: %s', $dateString));
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}
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return date_format($date, 'r');
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}
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public function getURI()
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{
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if (!is_null($this->getInput('u'))) {
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return urljoin(self::URI, '/v/' . $this->getInput('u'));
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}
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return parent::getURI();
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}
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public function getIcon()
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{
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return static::URI . '/images/favicon-hub-3ede543aa6d1225e8dc016ccff6879c8.ico?vsn=d';
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}
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private function descriptionToTitle($description)
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{
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return strlen($description) > 60 ? mb_substr($description, 0, 57) . '...' : $description;
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}
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public function getName()
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{
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if (!is_null($this->getInput('u'))) {
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return 'Username ' . $this->getInput('u') . ' - GreatFon Bridge';
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}
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return parent::getName();
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}
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public function detectParameters($url)
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{
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$regex = '/^http(s|):\/\/((www\.|)(instagram.com)\/([a-zA-Z0-9_\.]{1,30})(\/reels\/|\/tagged\/|\/|)|(www\.|)(greatfon.com)\/v\/([a-zA-Z0-9_\.]{1,30}))/';
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if (preg_match($regex, $url, $matches) > 0) {
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$params['context'] = 'Username';
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// Extract detected domain using the regex
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$domain = $matches[8] ?? $matches[4];
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if ($domain == 'greatfon.com') {
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$params['u'] = $matches[9];
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return $params;
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} elseif ($domain == 'instagram.com') {
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$params['u'] = $matches[5];
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return $params;
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} else {
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return null;
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}
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} else {
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return null;
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}
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}
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}

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