273 lines
8.0 KiB
PHP
273 lines
8.0 KiB
PHP
<?php
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class InstagramBridge extends BridgeAbstract {
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// const MAINTAINER = 'pauder';
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const NAME = 'Instagram Bridge';
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const URI = 'https://www.instagram.com/';
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const DESCRIPTION = 'Returns the newest images';
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const PARAMETERS = array(
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'Username' => array(
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'u' => array(
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'name' => 'username',
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'required' => true
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)
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),
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'Hashtag' => array(
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'h' => array(
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'name' => 'hashtag',
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'required' => true
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)
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),
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'Location' => array(
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'l' => array(
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'name' => 'location',
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'required' => true
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)
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),
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'global' => array(
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'media_type' => array(
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'name' => 'Media type',
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'type' => 'list',
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'required' => false,
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'values' => array(
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'All' => 'all',
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'Video' => 'video',
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'Picture' => 'picture',
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'Multiple' => 'multiple',
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),
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'defaultValue' => 'all'
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),
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'direct_links' => array(
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'name' => 'Use direct media links',
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'type' => 'checkbox',
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)
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)
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);
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const USER_QUERY_HASH = '58b6785bea111c67129decbe6a448951';
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const TAG_QUERY_HASH = '9b498c08113f1e09617a1703c22b2f32';
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const SHORTCODE_QUERY_HASH = '865589822932d1b43dfe312121dd353a';
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protected function getInstagramUserId($username) {
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if(is_numeric($username)) return $username;
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$cacheFac = new CacheFactory();
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$cacheFac->setWorkingDir(PATH_LIB_CACHES);
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$cache = $cacheFac->create(Configuration::getConfig('cache', 'type'));
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$cache->setScope(get_called_class());
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$cache->setKey(array($username));
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$key = $cache->loadData();
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if($key == null) {
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$data = getContents(self::URI . 'web/search/topsearch/?query=' . $username);
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foreach(json_decode($data)->users as $user) {
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if(strtolower($user->user->username) === strtolower($username)) {
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$key = $user->user->pk;
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}
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}
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if($key == null) {
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returnServerError('Unable to find username in search result.');
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}
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$cache->saveData($key);
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}
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return $key;
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}
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public function collectData(){
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$directLink = !is_null($this->getInput('direct_links')) && $this->getInput('direct_links');
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$data = $this->getInstagramJSON($this->getURI());
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if(!is_null($this->getInput('u'))) {
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$userMedia = $data->data->user->edge_owner_to_timeline_media->edges;
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} elseif(!is_null($this->getInput('h'))) {
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$userMedia = $data->data->hashtag->edge_hashtag_to_media->edges;
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} elseif(!is_null($this->getInput('l'))) {
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$userMedia = $data->entry_data->LocationsPage[0]->graphql->location->edge_location_to_media->edges;
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}
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foreach($userMedia as $media) {
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$media = $media->node;
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switch($this->getInput('media_type')) {
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case 'all': break;
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case 'video':
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if($media->__typename != 'GraphVideo' || !$media->is_video) continue 2;
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break;
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case 'picture':
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if($media->__typename != 'GraphImage') continue 2;
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break;
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case 'multiple':
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if($media->__typename != 'GraphSidecar') continue 2;
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break;
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default: break;
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}
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$item = array();
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$item['uri'] = self::URI . 'p/' . $media->shortcode . '/';
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if (isset($media->owner->username)) {
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$item['author'] = $media->owner->username;
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}
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$textContent = $this->getTextContent($media);
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$item['title'] = ($media->is_video ? '▶ ' : '') . $textContent;
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$titleLinePos = strpos(wordwrap($item['title'], 120), "\n");
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if ($titleLinePos != false) {
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$item['title'] = substr($item['title'], 0, $titleLinePos) . '...';
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}
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if($directLink) {
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$mediaURI = $media->display_url;
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} else {
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$mediaURI = self::URI . 'p/' . $media->shortcode . '/media?size=l';
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}
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switch($media->__typename) {
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case 'GraphSidecar':
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$data = $this->getInstagramSidecarData($item['uri'], $item['title'], $media, $textContent);
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$item['content'] = $data[0];
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$item['enclosures'] = $data[1];
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break;
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case 'GraphImage':
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$item['content'] = '<a href="' . htmlentities($item['uri']) . '" target="_blank">';
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$item['content'] .= '<img src="' . htmlentities($mediaURI) . '" alt="' . $item['title'] . '" />';
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$item['content'] .= '</a><br><br>' . nl2br(htmlentities($textContent));
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$item['enclosures'] = array($mediaURI);
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break;
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case 'GraphVideo':
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$data = $this->getInstagramVideoData($item['uri'], $mediaURI, $media, $textContent);
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$item['content'] = $data[0];
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if($directLink) {
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$item['enclosures'] = $data[1];
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} else {
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$item['enclosures'] = array($mediaURI);
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}
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$item['thumbnail'] = $mediaURI;
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break;
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default: break;
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}
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$item['timestamp'] = $media->taken_at_timestamp;
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$this->items[] = $item;
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}
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}
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// returns Sidecar(a post which has multiple media)'s contents and enclosures
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protected function getInstagramSidecarData($uri, $postTitle, $mediaInfo, $textContent) {
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$enclosures = array();
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$content = '';
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foreach($mediaInfo->edge_sidecar_to_children->edges as $singleMedia) {
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$singleMedia = $singleMedia->node;
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if($singleMedia->is_video) {
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if(in_array($singleMedia->video_url, $enclosures)) continue; // check if not added yet
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$content .= '<video controls><source src="' . $singleMedia->video_url . '" type="video/mp4"></video><br>';
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array_push($enclosures, $singleMedia->video_url);
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} else {
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if(in_array($singleMedia->display_url, $enclosures)) continue; // check if not added yet
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$content .= '<a href="' . $singleMedia->display_url . '" target="_blank">';
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$content .= '<img src="' . $singleMedia->display_url . '" alt="' . $postTitle . '" />';
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$content .= '</a><br>';
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array_push($enclosures, $singleMedia->display_url);
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}
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}
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$content .= '<br>' . nl2br(htmlentities($textContent));
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return array($content, $enclosures);
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}
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// returns Video post's contents and enclosures
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protected function getInstagramVideoData($uri, $mediaURI, $mediaInfo, $textContent) {
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$content = '<video controls>';
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$content .= '<source src="' . $mediaInfo->video_url . '" poster="' . $mediaURI . '" type="video/mp4">';
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$content .= '<img src="' . $mediaURI . '" alt="">';
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$content .= '</video><br>';
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$content .= '<br>' . nl2br(htmlentities($textContent));
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return array($content, array($mediaInfo->video_url));
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}
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protected function getTextContent($media) {
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$textContent = '(no text)';
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//Process the first element, that isn't in the node graph
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if (count($media->edge_media_to_caption->edges) > 0) {
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$textContent = trim($media->edge_media_to_caption->edges[0]->node->text);
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}
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return $textContent;
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}
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protected function getSinglePostData($uri) {
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$shortcode = explode('/', $uri)[4];
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$data = getContents(self::URI .
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'graphql/query/?query_hash=' .
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self::SHORTCODE_QUERY_HASH .
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'&variables={"shortcode"%3A"' .
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$shortcode .
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'"}');
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return json_decode($data)->data->shortcode_media;
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}
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protected function getInstagramJSON($uri) {
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if(!is_null($this->getInput('u'))) {
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$userId = $this->getInstagramUserId($this->getInput('u'));
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$data = getContents(self::URI .
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'graphql/query/?query_hash=' .
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self::USER_QUERY_HASH .
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'&variables={"id"%3A"' .
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$userId .
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'"%2C"first"%3A10}');
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return json_decode($data);
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} elseif(!is_null($this->getInput('h'))) {
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$data = getContents(self::URI .
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'graphql/query/?query_hash=' .
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self::TAG_QUERY_HASH .
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'&variables={"tag_name"%3A"' .
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$this->getInput('h') .
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'"%2C"first"%3A10}');
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return json_decode($data);
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} else {
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$html = getContents($uri)
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or returnServerError('Could not request Instagram.');
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$scriptRegex = '/window\._sharedData = (.*);<\/script>/';
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preg_match($scriptRegex, $html, $matches, PREG_OFFSET_CAPTURE, 0);
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return json_decode($matches[1][0]);
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}
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}
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public function getName(){
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if(!is_null($this->getInput('u'))) {
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return $this->getInput('u') . ' - Instagram Bridge';
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}
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return parent::getName();
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}
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public function getURI(){
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if(!is_null($this->getInput('u'))) {
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return self::URI . urlencode($this->getInput('u')) . '/';
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} elseif(!is_null($this->getInput('h'))) {
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return self::URI . 'explore/tags/' . urlencode($this->getInput('h'));
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} elseif(!is_null($this->getInput('l'))) {
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return self::URI . 'explore/locations/' . urlencode($this->getInput('l'));
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}
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return parent::getURI();
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}
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}
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