mirror of
https://github.com/RSS-Bridge/rss-bridge.git
synced 2024-11-27 03:50:42 +03:00
645 lines
17 KiB
PHP
645 lines
17 KiB
PHP
<?php
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class TwitterBridge extends BridgeAbstract {
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const NAME = 'Twitter Bridge';
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const URI = 'https://twitter.com/';
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const API_URI = 'https://api.twitter.com';
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const GUEST_TOKEN_USES = 100;
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const GUEST_TOKEN_EXPIRY = 10800; // 3hrs
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const CACHE_TIMEOUT = 300; // 5min
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const DESCRIPTION = 'returns tweets';
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const MAINTAINER = 'arnd-s';
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const PARAMETERS = array(
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'global' => array(
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'nopic' => array(
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'name' => 'Hide profile pictures',
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'type' => 'checkbox',
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'title' => 'Activate to hide profile pictures in content'
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),
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'noimg' => array(
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'name' => 'Hide images in tweets',
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'type' => 'checkbox',
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'title' => 'Activate to hide images in tweets'
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),
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'noimgscaling' => array(
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'name' => 'Disable image scaling',
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'type' => 'checkbox',
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'title' => 'Activate to disable image scaling in tweets (keeps original image)'
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)
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),
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'By keyword or hashtag' => array(
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'q' => array(
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'name' => 'Keyword or #hashtag',
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'required' => true,
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'exampleValue' => 'rss-bridge OR rssbridge',
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'title' => <<<EOD
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* To search for multiple words (must contain all of these words), put a space between them.
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Example: `rss-bridge release`.
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* To search for multiple words (contains any of these words), put "OR" between them.
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Example: `rss-bridge OR rssbridge`.
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* To search for an exact phrase (including whitespace), put double-quotes around them.
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Example: `"rss-bridge release"`
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* If you want to search for anything **but** a specific word, put a hyphen before it.
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Example: `rss-bridge -release` (ignores "release")
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* Of course, this also works for hashtags.
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Example: `#rss-bridge OR #rssbridge`
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* And you can combine them in any shape or form you like.
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Example: `#rss-bridge OR #rssbridge -release`
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EOD
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)
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),
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'By username' => array(
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'u' => array(
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'name' => 'username',
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'required' => true,
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'exampleValue' => 'sebsauvage',
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'title' => 'Insert a user name'
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),
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'norep' => array(
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'name' => 'Without replies',
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'type' => 'checkbox',
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'title' => 'Only return initial tweets'
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),
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'noretweet' => array(
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'name' => 'Without retweets',
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'required' => false,
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'type' => 'checkbox',
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'title' => 'Hide retweets'
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),
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'nopinned' => array(
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'name' => 'Without pinned tweet',
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'required' => false,
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'type' => 'checkbox',
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'title' => 'Hide pinned tweet'
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)
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),
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'By list' => array(
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'user' => array(
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'name' => 'User',
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'required' => true,
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'exampleValue' => 'Scobleizer',
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'title' => 'Insert a user name'
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),
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'list' => array(
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'name' => 'List',
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'required' => true,
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'exampleValue' => 'Tech-News',
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'title' => 'Insert the list name'
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),
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'filter' => array(
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'name' => 'Filter',
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'exampleValue' => '#rss-bridge',
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'required' => false,
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'title' => 'Specify term to search for'
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)
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),
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'By list ID' => array(
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'listid' => array(
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'name' => 'List ID',
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'exampleValue' => '31748',
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'required' => true,
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'title' => 'Insert the list id'
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),
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'filter' => array(
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'name' => 'Filter',
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'exampleValue' => '#rss-bridge',
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'required' => false,
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'title' => 'Specify term to search for'
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)
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)
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);
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private $apiKey = null;
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private $guestToken = null;
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private $authHeader = array();
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public function detectParameters($url){
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$params = array();
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// By keyword or hashtag (search)
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$regex = '/^(https?:\/\/)?(www\.)?twitter\.com\/search.*(\?|&)q=([^\/&?\n]+)/';
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if(preg_match($regex, $url, $matches) > 0) {
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$params['q'] = urldecode($matches[4]);
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return $params;
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}
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// By hashtag
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$regex = '/^(https?:\/\/)?(www\.)?twitter\.com\/hashtag\/([^\/?\n]+)/';
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if(preg_match($regex, $url, $matches) > 0) {
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$params['q'] = urldecode($matches[3]);
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return $params;
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}
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// By list
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$regex = '/^(https?:\/\/)?(www\.)?twitter\.com\/([^\/?\n]+)\/lists\/([^\/?\n]+)/';
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if(preg_match($regex, $url, $matches) > 0) {
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$params['user'] = urldecode($matches[3]);
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$params['list'] = urldecode($matches[4]);
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return $params;
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}
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// By username
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$regex = '/^(https?:\/\/)?(www\.)?twitter\.com\/([^\/?\n]+)/';
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if(preg_match($regex, $url, $matches) > 0) {
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$params['u'] = urldecode($matches[3]);
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return $params;
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}
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return null;
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}
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public function getName(){
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switch($this->queriedContext) {
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case 'By keyword or hashtag':
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$specific = 'search ';
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$param = 'q';
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break;
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case 'By username':
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$specific = '@';
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$param = 'u';
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break;
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case 'By list':
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return $this->getInput('list') . ' - Twitter list by ' . $this->getInput('user');
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case 'By list ID':
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return 'Twitter List #' . $this->getInput('listid');
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default: return parent::getName();
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}
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return 'Twitter ' . $specific . $this->getInput($param);
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}
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public function getURI(){
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switch($this->queriedContext) {
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case 'By keyword or hashtag':
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return self::URI
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. 'search?q='
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. urlencode($this->getInput('q'))
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. '&f=tweets';
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case 'By username':
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return self::URI
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. urlencode($this->getInput('u'));
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// Always return without replies!
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// . ($this->getInput('norep') ? '' : '/with_replies');
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case 'By list':
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return self::URI
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. urlencode($this->getInput('user'))
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. '/lists/'
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. str_replace(' ', '-', strtolower($this->getInput('list')));
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case 'By list ID':
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return self::URI
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. 'i/lists/'
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. urlencode($this->getInput('listid'));
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default: return parent::getURI();
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}
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}
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public function collectData(){
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// $data will contain an array of all found tweets (unfiltered)
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$data = null;
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// Contains user data (when in by username context)
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$user = null;
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// Array of all found tweets
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$tweets = array();
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// Get authentication information
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$this->getApiKey();
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// Try to get all tweets
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switch($this->queriedContext) {
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case 'By username':
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$user = $this->makeApiCall('/1.1/users/show.json', array('screen_name' => $this->getInput('u')));
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if (!$user) {
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returnServerError('Requested username can\'t be found.');
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}
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$params = array(
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'user_id' => $user->id_str,
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'tweet_mode' => 'extended'
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);
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$data = $this->makeApiCall('/1.1/statuses/user_timeline.json', $params);
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break;
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case 'By keyword or hashtag':
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$params = array(
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'q' => urlencode($this->getInput('q')),
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'tweet_mode' => 'extended',
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'tweet_search_mode' => 'live',
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);
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$data = $this->makeApiCall('/1.1/search/tweets.json', $params)->statuses;
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break;
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case 'By list':
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$params = array(
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'slug' => strtolower($this->getInput('list')),
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'owner_screen_name' => strtolower($this->getInput('user')),
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'tweet_mode' => 'extended',
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);
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$data = $this->makeApiCall('/1.1/lists/statuses.json', $params);
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break;
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case 'By list ID':
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$params = array(
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'list_id' => $this->getInput('listid'),
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'tweet_mode' => 'extended',
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);
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$data = $this->makeApiCall('/1.1/lists/statuses.json', $params);
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break;
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default:
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returnServerError('Invalid query context !');
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}
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if(!$data) {
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switch($this->queriedContext) {
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case 'By keyword or hashtag':
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returnServerError('No results for this query.');
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// fall-through
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case 'By username':
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returnServerError('Requested username can\'t be found.');
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// fall-through
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case 'By list':
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returnServerError('Requested username or list can\'t be found');
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}
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}
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// Filter out unwanted tweets
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foreach ($data as $tweet) {
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// Filter out retweets to remove possible duplicates of original tweet
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switch($this->queriedContext) {
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case 'By keyword or hashtag':
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if (isset($tweet->retweeted_status) && substr($tweet->full_text, 0, 4) === 'RT @') {
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continue 2;
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}
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break;
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}
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$tweets[] = $tweet;
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}
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$hidePictures = $this->getInput('nopic');
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$hidePinned = $this->getInput('nopinned');
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if ($hidePinned) {
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$pinnedTweetId = null;
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if ($user && $user->pinned_tweet_ids_str) {
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$pinnedTweetId = $user->pinned_tweet_ids_str;
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}
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}
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foreach($tweets as $tweet) {
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// Skip own Retweets...
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if (isset($tweet->retweeted_status) && $tweet->retweeted_status->user->id_str === $tweet->user->id_str) {
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continue;
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}
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// Skip pinned tweet
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if ($hidePinned && $tweet->id_str === $pinnedTweetId) {
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continue;
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}
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switch($this->queriedContext) {
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case 'By username':
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if ($this->getInput('norep') && isset($tweet->in_reply_to_status_id))
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continue 2;
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break;
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}
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$item = array();
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$realtweet = $tweet;
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if (isset($tweet->retweeted_status)) {
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// Tweet is a Retweet, so set author based on original tweet and set realtweet for reference to the right content
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$realtweet = $tweet->retweeted_status;
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}
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$item['username'] = $realtweet->user->screen_name;
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$item['fullname'] = $realtweet->user->name;
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$item['avatar'] = $realtweet->user->profile_image_url_https;
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$item['timestamp'] = $realtweet->created_at;
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$item['id'] = $realtweet->id_str;
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$item['uri'] = self::URI . $item['username'] . '/status/' . $item['id'];
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$item['author'] = (isset($tweet->retweeted_status) ? 'RT: ' : '' )
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. $item['fullname']
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. ' (@'
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. $item['username'] . ')';
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// Convert plain text URLs into HTML hyperlinks
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$fulltext = $realtweet->full_text;
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$cleanedTweet = $fulltext;
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$foundUrls = false;
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if (substr($cleanedTweet, 0, 4) === 'RT @') {
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$cleanedTweet = substr($cleanedTweet, 3);
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}
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if (isset($realtweet->entities->media)) {
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foreach($realtweet->entities->media as $media) {
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$cleanedTweet = str_replace($media->url,
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'<a href="' . $media->expanded_url . '">' . $media->display_url . '</a>',
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$cleanedTweet);
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$foundUrls = true;
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}
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}
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if (isset($realtweet->entities->urls)) {
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foreach($realtweet->entities->urls as $url) {
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$cleanedTweet = str_replace($url->url,
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'<a href="' . $url->expanded_url . '">' . $url->display_url . '</a>',
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$cleanedTweet);
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$foundUrls = true;
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}
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}
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if ($foundUrls === false) {
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// fallback to regex'es
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$reg_ex = '/(http|https|ftp|ftps)\:\/\/[a-zA-Z0-9\-\.]+\.[a-zA-Z]{2,3}(\/\S*)?/';
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if(preg_match($reg_ex, $realtweet->full_text, $url)) {
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$cleanedTweet = preg_replace($reg_ex,
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"<a href='{$url[0]}' target='_blank'>{$url[0]}</a> ",
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$cleanedTweet);
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}
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}
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// generate the title
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$item['title'] = strip_tags($cleanedTweet);
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// Add avatar
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$picture_html = '';
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if(!$hidePictures) {
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$picture_html = <<<EOD
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<a href="https://twitter.com/{$item['username']}">
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<img
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style="align:top; width:75px; border:1px solid black;"
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alt="{$item['username']}"
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src="{$item['avatar']}"
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title="{$item['fullname']}" />
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</a>
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EOD;
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}
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// Get images
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$media_html = '';
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if(isset($realtweet->extended_entities->media) && !$this->getInput('noimg')) {
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foreach($realtweet->extended_entities->media as $media) {
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switch($media->type) {
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case 'photo':
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$image = $media->media_url_https . '?name=orig';
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$display_image = $media->media_url_https;
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// add enclosures
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$item['enclosures'][] = $image;
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$media_html .= <<<EOD
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<a href="{$image}">
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<img
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style="align:top; max-width:558px; border:1px solid black;"
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referrerpolicy="no-referrer"
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src="{$display_image}" />
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</a>
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EOD;
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break;
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case 'video':
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case 'animated_gif':
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if(isset($media->video_info)) {
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$link = $media->expanded_url;
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$poster = $media->media_url_https;
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$video = null;
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$maxBitrate = -1;
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foreach($media->video_info->variants as $variant) {
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$bitRate = isset($variant->bitrate) ? $variant->bitrate : -100;
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if ($bitRate > $maxBitrate) {
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$maxBitrate = $bitRate;
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$video = $variant->url;
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}
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}
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if(!is_null($video)) {
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// add enclosures
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$item['enclosures'][] = $video;
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$item['enclosures'][] = $poster;
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$media_html .= <<<EOD
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<a href="{$link}">Video</a>
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<video
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style="align:top; max-width:558px; border:1px solid black;"
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referrerpolicy="no-referrer"
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src="{$video}" poster="{$poster}" />
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EOD;
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}
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}
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break;
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default:
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Debug::log('Missing support for media type: ' . $media->type);
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}
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}
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}
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switch($this->queriedContext) {
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case 'By list':
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case 'By list ID':
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// Check if filter applies to list (using raw content)
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if($this->getInput('filter')) {
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if(stripos($cleanedTweet, $this->getInput('filter')) === false) {
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continue 2; // switch + for-loop!
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}
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}
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break;
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case 'By username':
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if ($this->getInput('noretweet') && strtolower($item['username']) != strtolower($this->getInput('u'))) {
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continue 2; // switch + for-loop!
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}
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break;
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default:
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}
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$item['content'] = <<<EOD
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<div style="display: inline-block; vertical-align: top;">
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{$picture_html}
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</div>
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<div style="display: inline-block; vertical-align: top;">
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<blockquote>{$cleanedTweet}</blockquote>
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</div>
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<div style="display: block; vertical-align: top;">
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<blockquote>{$media_html}</blockquote>
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</div>
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EOD;
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// put out
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$this->items[] = $item;
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}
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usort($this->items, array('TwitterBridge', 'compareTweetId'));
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}
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private static function compareTweetId($tweet1, $tweet2) {
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return (intval($tweet1['id']) < intval($tweet2['id']) ? 1 : -1);
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}
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//The aim of this function is to get an API key and a guest token
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//This function takes 2 requests, and therefore is cached
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private function getApiKey($forceNew = 0) {
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$cacheFac = new CacheFactory();
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$r_cache = $cacheFac->create(Configuration::getConfig('cache', 'type'));
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$r_cache->setScope(get_called_class());
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$r_cache->setKey(array('refresh'));
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$data = $r_cache->loadData();
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$refresh = null;
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if($data === null) {
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$refresh = time();
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$r_cache->saveData($refresh);
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} else {
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$refresh = $data;
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}
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$cacheFac = new CacheFactory();
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$cache = $cacheFac->create(Configuration::getConfig('cache', 'type'));
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$cache->setScope(get_called_class());
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$cache->setKey(array('api_key'));
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$data = $cache->loadData();
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$apiKey = null;
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if($forceNew || $data === null || (time() - $refresh) > self::GUEST_TOKEN_EXPIRY) {
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$twitterPage = getContents('https://twitter.com');
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$jsLink = false;
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$jsMainRegexArray = array(
|
|
'/(https:\/\/abs\.twimg\.com\/responsive-web\/web\/main\.[^\.]+\.js)/m',
|
|
'/(https:\/\/abs\.twimg\.com\/responsive-web\/web_legacy\/main\.[^\.]+\.js)/m',
|
|
'/(https:\/\/abs\.twimg\.com\/responsive-web\/client-web\/main\.[^\.]+\.js)/m',
|
|
'/(https:\/\/abs\.twimg\.com\/responsive-web\/client-web-legacy\/main\.[^\.]+\.js)/m',
|
|
);
|
|
foreach ($jsMainRegexArray as $jsMainRegex) {
|
|
if (preg_match_all($jsMainRegex, $twitterPage, $jsMainMatches, PREG_SET_ORDER, 0)) {
|
|
$jsLink = $jsMainMatches[0][0];
|
|
break;
|
|
}
|
|
}
|
|
if (!$jsLink) {
|
|
returnServerError('Could not locate main.js link');
|
|
}
|
|
|
|
$jsContent = getContents($jsLink);
|
|
$apiKeyRegex = '/([a-zA-Z0-9]{59}%[a-zA-Z0-9]{44})/m';
|
|
preg_match_all($apiKeyRegex, $jsContent, $apiKeyMatches, PREG_SET_ORDER, 0);
|
|
$apiKey = $apiKeyMatches[0][0];
|
|
$cache->saveData($apiKey);
|
|
} else {
|
|
$apiKey = $data;
|
|
}
|
|
|
|
$cacheFac2 = new CacheFactory();
|
|
|
|
$gt_cache = $cacheFac->create(Configuration::getConfig('cache', 'type'));
|
|
$gt_cache->setScope(get_called_class());
|
|
$gt_cache->setKey(array('guest_token'));
|
|
$guestTokenUses = $gt_cache->loadData();
|
|
|
|
$guestToken = null;
|
|
if($forceNew || $guestTokenUses === null || !is_array($guestTokenUses) || count($guestTokenUses) != 2
|
|
|| $guestTokenUses[0] <= 0 || (time() - $refresh) > self::GUEST_TOKEN_EXPIRY) {
|
|
$guestToken = $this->getGuestToken($apiKey);
|
|
if ($guestToken === null) {
|
|
if($guestTokenUses === null) {
|
|
returnServerError('Could not parse guest token');
|
|
} else {
|
|
$guestToken = $guestTokenUses[1];
|
|
}
|
|
} else {
|
|
$gt_cache->saveData(array(self::GUEST_TOKEN_USES, $guestToken));
|
|
$r_cache->saveData(time());
|
|
}
|
|
} else {
|
|
$guestTokenUses[0] -= 1;
|
|
$gt_cache->saveData($guestTokenUses);
|
|
$guestToken = $guestTokenUses[1];
|
|
}
|
|
|
|
$this->apiKey = $apiKey;
|
|
$this->guestToken = $guestToken;
|
|
$this->authHeaders = array(
|
|
'authorization: Bearer ' . $apiKey,
|
|
'x-guest-token: ' . $guestToken,
|
|
);
|
|
|
|
return array($apiKey, $guestToken);
|
|
}
|
|
|
|
// Get a guest token. This is different to an API key,
|
|
// and it seems to change more regularly than the API key.
|
|
private function getGuestToken($apiKey) {
|
|
$headers = array(
|
|
'authorization: Bearer ' . $apiKey,
|
|
);
|
|
$opts = array(
|
|
CURLOPT_POST => 1,
|
|
);
|
|
|
|
try {
|
|
$pageContent = getContents('https://api.twitter.com/1.1/guest/activate.json', $headers, $opts, true);
|
|
$guestToken = json_decode($pageContent['content'])->guest_token;
|
|
} catch (Exception $e) {
|
|
$guestToken = null;
|
|
}
|
|
return $guestToken;
|
|
}
|
|
|
|
/**
|
|
* Tries to make an API call to twitter.
|
|
* @param $api string API entry point
|
|
* @param $params array additional URI parmaeters
|
|
* @return object json data
|
|
*/
|
|
private function makeApiCall($api, $params) {
|
|
$uri = self::API_URI . $api . '?' . http_build_query($params);
|
|
|
|
$retries = 1;
|
|
$retry = 0;
|
|
do {
|
|
$retry = 0;
|
|
|
|
try {
|
|
$result = getContents($uri, $this->authHeaders, array(), true);
|
|
} catch (HttpException $e) {
|
|
switch ($e->getCode()) {
|
|
case 401:
|
|
// fall-through
|
|
case 403:
|
|
if ($retries) {
|
|
$retries--;
|
|
$retry = 1;
|
|
$this->getApiKey(1);
|
|
continue 2;
|
|
}
|
|
// fall-through
|
|
default:
|
|
$code = $e->getCode();
|
|
$data = $e->getMessage();
|
|
returnServerError(<<<EOD
|
|
Failed to make api call: $api
|
|
HTTP Status: $code
|
|
Errormessage: $data
|
|
EOD
|
|
);
|
|
break;
|
|
}
|
|
}
|
|
} while ($retry);
|
|
|
|
$data = json_decode($result['content']);
|
|
|
|
return $data;
|
|
}
|
|
}
|