mirror of
https://github.com/RSS-Bridge/rss-bridge.git
synced 2024-11-26 11:26:31 +03:00
237 lines
5.6 KiB
PHP
237 lines
5.6 KiB
PHP
<?php
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class SoundCloudBridge extends BridgeAbstract {
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const MAINTAINER = 'kranack, Roliga';
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const NAME = 'Soundcloud Bridge';
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const URI = 'https://soundcloud.com/';
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const CACHE_TIMEOUT = 600; // 10min
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const DESCRIPTION = 'Returns 10 newest music from user profile';
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const PARAMETERS = array(array(
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'u' => array(
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'name' => 'username',
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'exampleValue' => 'thekidlaroi',
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'required' => true
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),
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't' => array(
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'name' => 'Content',
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'type' => 'list',
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'defaultValue' => 'tracks',
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'values' => array(
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'All (except likes)' => 'all',
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'Tracks' => 'tracks',
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'Albums' => 'albums',
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'Playlists' => 'playlists',
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'Reposts' => 'reposts',
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'Likes' => 'likes'
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)
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)
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));
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private $apiUrl = 'https://api-v2.soundcloud.com/';
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// Without url=http, player URL returns a 404
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private $playerUrl = 'https://w.soundcloud.com/player/?url=http';
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private $widgetUrl = 'https://widget.sndcdn.com/';
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private $feedTitle = null;
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private $feedIcon = null;
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private $clientIDCache = null;
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private $clientIdRegex = '/client_id.*?"(.+?)"/';
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private $widgetRegex = '/widget-.+?\.js/';
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public function collectData() {
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$res = $this->getUser($this->getInput('u'));
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$this->feedTitle = $res->username;
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$this->feedIcon = $res->avatar_url;
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$apiItems = $this->getUserItems($res->id, $this->getInput('t'))
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or returnServerError('No results for ' . $this->getInput('t'));
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$hasTrackObject = array('all', 'reposts', 'likes');
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foreach ($apiItems->collection as $index => $apiItem) {
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if (in_array($this->getInput('t'), $hasTrackObject) === true) {
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$apiItem = $apiItem->track;
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}
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$item = array();
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$item['author'] = $apiItem->user->username;
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$item['title'] = $apiItem->user->username . ' - ' . $apiItem->title;
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$item['timestamp'] = strtotime($apiItem->created_at);
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$description = nl2br($apiItem->description);
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$item['content'] = <<<HTML
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<p>{$description}</p>
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HTML;
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if (isset($apiItem->tracks) && $apiItem->track_count > 0) {
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$list = $this->getTrackList($apiItem->tracks);
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$item['content'] .= <<<HTML
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<p><strong>Tracks ({$apiItem->track_count})</strong></p>
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{$list}
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HTML;
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}
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$item['enclosures'][] = $apiItem->artwork_url;
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$item['id'] = $apiItem->permalink_url;
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$item['uri'] = $apiItem->permalink_url;
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$this->items[] = $item;
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if (count($this->items) >= 10) {
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break;
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}
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}
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}
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public function getIcon(){
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if ($this->feedIcon) {
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return $this->feedIcon;
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}
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return parent::getIcon();
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}
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public function getURI() {
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if ($this->getInput('u')) {
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return self::URI . $this->getInput('u') . '/' . $this->getInput('t');
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}
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return parent::getURI();
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}
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public function getName() {
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if($this->feedTitle) {
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return $this->feedTitle . ' - ' . ucfirst($this->getInput('t')) . ' - ' . self::NAME;
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}
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return parent::getName();
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}
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private function initClientIDCache(){
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if($this->clientIDCache !== null)
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return;
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$cacheFac = new CacheFactory();
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$this->clientIDCache = $cacheFac->create(Configuration::getConfig('cache', 'type'));
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$this->clientIDCache->setScope(get_called_class());
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$this->clientIDCache->setKey(array('client_id'));
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}
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private function getClientID(){
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$this->initClientIDCache();
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$clientID = $this->clientIDCache->loadData();
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if($clientID == null) {
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return $this->refreshClientID();
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} else {
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return $clientID;
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}
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}
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private function refreshClientID(){
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$this->initClientIDCache();
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$playerHTML = getContents($this->playerUrl);
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// Extract widget JS filenames from player page
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if(preg_match_all($this->widgetRegex, $playerHTML, $matches) == false)
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returnServerError('Unable to find widget JS URL.');
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$clientID = '';
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// Loop widget js files and extract client ID
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foreach ($matches[0] as $widgetFile) {
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$widgetURL = $this->widgetUrl . $widgetFile;
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$widgetJS = getContents($widgetURL);
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if(preg_match($this->clientIdRegex, $widgetJS, $matches)) {
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$clientID = $matches[1];
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$this->clientIDCache->saveData($clientID);
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return $clientID;
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}
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}
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if (empty($clientID)) {
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returnServerError('Unable to find client ID.');
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}
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}
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private function buildApiUrl($endpoint, $parameters) {
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return $this->apiUrl
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. $endpoint
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. '?'
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. http_build_query($parameters);
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}
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private function getUser($username) {
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$parameters = array('url' => self::URI . $username);
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return $this->getApi('resolve', $parameters);
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}
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private function getUserItems($userId, $type) {
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$parameters = array('limit' => 10);
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$endpoint = 'users/' . $userId . '/' . $type;
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if ($type === 'playlists') {
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$endpoint = 'users/' . $userId . '/playlists_without_albums';
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}
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if ($type === 'all') {
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$endpoint = 'stream/users/' . $userId;
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}
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if ($type === 'reposts') {
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$endpoint = 'stream/users/' . $userId . '/' . $type;
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}
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return $this->getApi($endpoint, $parameters);
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}
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private function getApi($endpoint, $parameters) {
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$parameters['client_id'] = $this->getClientID();
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$url = $this->buildApiUrl($endpoint, $parameters);
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try {
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return json_decode(getContents($url));
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} catch (Exception $e) {
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// Retry once with refreshed client ID
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$parameters['client_id'] = $this->refreshClientID();
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$url = $this->buildApiUrl($endpoint, $parameters);
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return json_decode(getContents($url));
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}
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}
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private function getTrackList($tracks) {
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$trackids = '';
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foreach ($tracks as $track) {
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$trackids .= $track->id . ',';
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}
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$apiItems = $this->getApi(
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'tracks', array('ids' => $trackids)
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);
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$list = '';
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foreach($apiItems as $track) {
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$list .= <<<HTML
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<li>{$track->user->username} — <a href="{$track->permalink_url}">{$track->title}</a></li>
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HTML;
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}
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$html = <<<HTML
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<ul>{$list}</ul>
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HTML;
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return $html;
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}
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}
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