c71fad4a4a
Twitter has changed URL scheme back again (see PR#1647 / commit 78298385d0)
This patch will try both URL schemes now and throw a specific error when neither works
472 lines
14 KiB
PHP
472 lines
14 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 = 300; // 5min
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const CACHE_TIMEOUT = 300; // 5min
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const DESCRIPTION = 'returns tweets';
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const MAINTAINER = 'pmaziere';
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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, #rss-bridge',
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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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),
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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' => 'sebsauvage',
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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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'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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);
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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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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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default: return parent::getURI();
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}
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}
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private function getApiURI() {
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switch($this->queriedContext) {
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case 'By keyword or hashtag':
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return self::API_URI
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. '/2/search/adaptive.json?q='
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. urlencode($this->getInput('q'))
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. '&tweet_mode=extended&tweet_search_mode=live';
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case 'By username':
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return self::API_URI
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. '/2/timeline/profile/'
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. $this->getRestId($this->getInput('u'))
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. '.json?tweet_mode=extended';
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case 'By list':
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return self::API_URI
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. '/2/timeline/list.json?list_id='
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. $this->getListId($this->getInput('user'), $this->getInput('list'))
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. '&tweet_mode=extended';
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default: returnServerError('Invalid query context !');
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}
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}
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public function collectData(){
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$html = '';
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$page = $this->getURI();
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$data = json_decode($this->getApiContents($this->getApiURI()));
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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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case 'By username':
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returnServerError('Requested username can\'t be found.');
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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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$hidePictures = $this->getInput('nopic');
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foreach($data->globalObjects->tweets as $tweet) {
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/* Debug::log('>>> ' . json_encode($tweet)); */
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// Skip spurious retweets
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if (isset($tweet->retweeted_status_id_str) && substr($tweet->full_text, 0, 4) === 'RT @') {
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continue;
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}
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$item = array();
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// extract username and sanitize
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$user_info = $this->getUserInformation($tweet->user_id_str, $data->globalObjects);
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$item['username'] = $user_info->screen_name;
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$item['fullname'] = $user_info->name;
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$item['author'] = $item['fullname'] . ' (@' . $item['username'] . ')';
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$item['avatar'] = $user_info->profile_image_url_https;
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$item['id'] = $tweet->id_str;
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$item['uri'] = self::URI . $item['username'] . '/status/' . $item['id'];
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// extract tweet timestamp
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$item['timestamp'] = $tweet->created_at;
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// generate the title
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$item['title'] = $tweet->full_text;
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$cleanedTweet = $tweet->full_text;
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// Add avatar
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$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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$media_html = '';
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if(isset($tweet->extended_entities->media) && !$this->getInput('noimg')) {
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foreach($tweet->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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// 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') && $item['username'] != $this->getInput('u')) {
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continue 2; // switch + for-loop!
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}
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break;
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default:
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}
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$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>{$media_html}</blockquote>
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</div>
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EOD;
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$item['content'] = htmlspecialchars_decode($item['content'], ENT_QUOTES);
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// put out
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$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($tweet2['id']) ? 1 : -1);
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}
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//The aim of this function is to get an API key and a guest token
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//This function takes 2 requests, and therefore is cached
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private function getApiKey() {
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$cacheFac = new CacheFactory();
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$cacheFac->setWorkingDir(PATH_LIB_CACHES);
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$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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$cacheFac->setWorkingDir(PATH_LIB_CACHES);
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$cache = $cacheFac->create(Configuration::getConfig('cache', 'type'));
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$cache->setScope(get_called_class());
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$cache->setKey(array('api_key'));
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$data = $cache->loadData();
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$apiKey = null;
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if($data === null || (time() - $refresh) > self::GUEST_TOKEN_EXPIRY) {
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$twitterPage = getContents('https://twitter.com');
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$jsMainRegex = '/(https:\/\/abs\.twimg\.com\/responsive-web\/web\/main\.[^\.]+\.js)/m';
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preg_match_all($jsMainRegex, $twitterPage, $jsMainMatches, PREG_SET_ORDER, 0);
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if (!$jsMainMatches) {
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$jsMainRegex = '/(https:\/\/abs\.twimg\.com\/responsive-web\/web_legacy\/main\.[^\.]+\.js)/m';
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preg_match_all($jsMainRegex, $twitterPage, $jsMainMatches, PREG_SET_ORDER, 0);
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}
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if (!$jsMainMatches) {
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returnServerError('Could not locate main.js link');
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}
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$jsLink = $jsMainMatches[0][0];
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$jsContent = getContents($jsLink);
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$apiKeyRegex = '/([a-zA-Z0-9]{59}%[a-zA-Z0-9]{44})/m';
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preg_match_all($apiKeyRegex, $jsContent, $apiKeyMatches, PREG_SET_ORDER, 0);
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$apiKey = $apiKeyMatches[0][0];
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$cache->saveData($apiKey);
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} else {
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$apiKey = $data;
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}
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$cacheFac2 = new CacheFactory();
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$cacheFac2->setWorkingDir(PATH_LIB_CACHES);
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$gt_cache = $cacheFac->create(Configuration::getConfig('cache', 'type'));
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$gt_cache->setScope(get_called_class());
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$gt_cache->setKey(array('guest_token'));
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$guestTokenUses = $gt_cache->loadData();
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$guestToken = null;
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if($guestTokenUses === null || !is_array($guestTokenUses) || count($guestTokenUses) != 2
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|| $guestTokenUses[0] <= 0 || (time() - $refresh) > self::GUEST_TOKEN_EXPIRY) {
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$guestToken = $this->getGuestToken();
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$gt_cache->saveData(array(self::GUEST_TOKEN_USES, $guestToken));
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$r_cache->saveData(time());
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} else {
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$guestTokenUses[0] -= 1;
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$gt_cache->saveData($guestTokenUses);
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$guestToken = $guestTokenUses[1];
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}
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return array($apiKey, $guestToken);
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}
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// Get a guest token. This is different to an API key,
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// and it seems to change more regularly than the API key.
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private function getGuestToken() {
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$pageContent = getContents('https://twitter.com', array(), array(), true);
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$guestTokenRegex = '/gt=([0-9]*)/m';
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preg_match_all($guestTokenRegex, $pageContent['header'], $guestTokenMatches, PREG_SET_ORDER, 0);
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if (!$guestTokenMatches)
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preg_match_all($guestTokenRegex, $pageContent['content'], $guestTokenMatches, PREG_SET_ORDER, 0);
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if (!$guestTokenMatches) returnServerError('Could not parse guest token');
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$guestToken = $guestTokenMatches[0][1];
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return $guestToken;
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}
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private function getApiContents($uri) {
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$apiKeys = $this->getApiKey();
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$headers = array('authorization: Bearer ' . $apiKeys[0],
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'x-guest-token: ' . $apiKeys[1],
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);
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return getContents($uri, $headers);
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}
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private function getRestId($username) {
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$searchparams = urlencode('{"screen_name":"' . strtolower($username) . '", "withHighlightedLabel":true}');
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$searchURL = self::API_URI . '/graphql/-xfUfZsnR_zqjFd-IfrN5A/UserByScreenName?variables=' . $searchparams;
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$searchResult = $this->getApiContents($searchURL);
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$searchResult = json_decode($searchResult);
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return $searchResult->data->user->rest_id;
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}
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private function getListId($username, $listName) {
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$searchparams = urlencode('{"screenName":"'
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. strtolower($username)
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. '", "listSlug": "'
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. $listName
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. '", "withHighlightedLabel":false}');
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$searchURL = self::API_URI . '/graphql/ErWsz9cObLel1BF-HjuBlA/ListBySlug?variables=' . $searchparams;
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$searchResult = $this->getApiContents($searchURL);
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$searchResult = json_decode($searchResult);
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return $searchResult->data->user_by_screen_name->list->id_str;
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}
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private function getUserInformation($userId, $apiData) {
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foreach($apiData->users as $user) {
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if($user->id_str == $userId) {
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return $user;
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}
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}
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}
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}
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