rss-bridge/bridges/TwitterBridge.php
Pierre Mazière de1b39c8e5 [core + bridges] get rid of loadMetadata
if a bridge needs to modify some of the data that were initialized
there, ::__construct() should be used instead.

Signed-off-by: Pierre Mazière <pierre.maziere@gmx.com>
2016-08-28 13:05:03 +02:00

146 lines
5 KiB
PHP

<?php
class TwitterBridge extends BridgeAbstract{
public $name='Twitter Bridge';
public $uri='https://twitter.com';
public $description='returns tweets';
public $parameters=array(
'global'=>array(
'nopic'=>array(
'name'=>'Hide profile pictures',
'type'=>'checkbox',
'title'=>'Activate to hide profile pictures in content'
)
),
'By keyword or hashtag' => array(
'q'=>array(
'name'=>'Keyword or #hashtag',
'required'=>true,
'exampleValue'=>'rss-bridge, #rss-bridge',
'title'=>'Insert a keyword or hashtag'
)
),
'By username' => array(
'u'=>array(
'name'=>'username',
'required'=>true,
'exampleValue'=>'sebsauvage',
'title'=>'Insert a user name'
),
'norep'=>array(
'name'=>'Without replies',
'type'=>'checkbox',
'title'=>'Only return initial tweets'
)
)
);
public function getName(){
switch($this->queriedContext){
case 'By keyword or hashtag':
$specific='search ';
$param='q';
break;
case 'By username':
$specific='@';
$param='u';
break;
}
return 'Twitter '.$specific
.$this->parameters[$this->queriedContext][$param]['value'];
}
public function getURI(){
$params=$this->parameters[$this->queriedContext];
switch($this->queriedContext){
case 'By keyword or hashtag':
return $this->uri.'search?q='.urlencode($params['q']['value']);
case 'By username':
return $this->uri.urlencode($params['u']['value']).
(isset($params['norep']['value'])?'':'/with_replies');
}
}
public function collectData(){
$param=$this->parameters[$this->queriedContext];
$html = '';
if (isset($param['q']['value'])) { /* keyword search mode */
$html = $this->getSimpleHTMLDOM('https://twitter.com/search?q='.urlencode($param['q']['value']).'&f=tweets') or $this->returnServerError('No results for this query.');
}
elseif (isset($param['u']['value'])) { /* user timeline mode */
$html = $this->getSimpleHTMLDOM('https://twitter.com/'.urlencode($param['u']['value']).(isset($param['norep']['value'])?'':'/with_replies')) or $this->returnServerError('Requested username can\'t be found.');
}
else {
$this->returnClientError('You must specify a keyword (?q=...) or a Twitter username (?u=...).');
}
$hidePictures = false;
if (isset($param['nopic']['value']))
$hidePictures = $param['nopic']['value'];
foreach($html->find('div.js-stream-tweet') as $tweet) {
$item = array();
// extract username and sanitize
$item['username'] = $tweet->getAttribute('data-screen-name');
// extract fullname (pseudonym)
$item['fullname'] = $tweet->getAttribute('data-name');
// get author
$item['author'] = $item['fullname'] . ' (@' . $item['username'] . ')';
// get avatar link
$item['avatar'] = $tweet->find('img', 0)->src;
// get TweetID
$item['id'] = $tweet->getAttribute('data-tweet-id');
// get tweet link
$item['uri'] = 'https://twitter.com'.$tweet->find('a.js-permalink', 0)->getAttribute('href');
// extract tweet timestamp
$item['timestamp'] = $tweet->find('span.js-short-timestamp', 0)->getAttribute('data-time');
// generate the title
$item['title'] = strip_tags(html_entity_decode($tweet->find('p.js-tweet-text', 0)->innertext,ENT_QUOTES,'UTF-8'));
// processing content links
foreach($tweet->find('a') as $link) {
if($link->hasAttribute('data-expanded-url') ) {
$link->href = $link->getAttribute('data-expanded-url');
}
$link->removeAttribute('data-expanded-url');
$link->removeAttribute('data-query-source');
$link->removeAttribute('rel');
$link->removeAttribute('class');
$link->removeAttribute('target');
$link->removeAttribute('title');
}
// process emojis (reduce size)
foreach($tweet->find('img.Emoji') as $img){
$img->style .= ' height: 1em;';
}
// get tweet text
$cleanedTweet = str_replace('href="/', 'href="https://twitter.com/', $tweet->find('p.js-tweet-text', 0)->innertext);
// Add picture to content
$picture_html = '';
if(!$hidePictures){
$picture_html = <<<EOD
<a href="https://twitter.com/{$item['username']}"><img style="align: top; width:75 px; border: 1px solid black;" alt="{$item['username']}" src="{$item['avatar']}" title="{$item['fullname']}" /></a>
EOD;
}
// add content
$item['content'] = <<<EOD
<div style="display: inline-block; vertical-align: top;">
{$picture_html}
</div>
<div style="display: inline-block; vertical-align: top;">
<blockquote>{$cleanedTweet}</blockquote>
</div>
EOD;
// put out
$this->items[] = $item;
}
}
public function getCacheDuration(){
return 300; // 5 minutes
}
}