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<?php
namespace Providers;
require_once('Provider.php');
require_once('Item.php');
require_once('../lib/querypath/src/qp.php');
class Facebook extends \Providers\Provider {
protected $_cacheTimeout = '5 minutes';
//protected $_cacheTimeout = '1 second';
private $_encoding;
public function __construct($feed, $options=[]) {
parent::__construct($feed, $options);
}
protected function _getCachePath() {
return '../cache/facebook.%s';
}
private function __getWWWContent() {
$header = array();
$header[] = 'Accept: text/xml,application/xml,application/xhtml+xml,text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5';
$header[] = 'Cache-Control: max-age=0';
$header[] = 'Connection: keep-alive';
$header[] = 'Keep-Alive: 300';
$header[] = 'Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7';
$header[] = 'Pragma: ';
$ch = curl_init(sprintf('https://m.facebook.com/%s/', $this->_feed));
curl_setopt($ch, CURLOPT_USERAGENT, 'Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US; rv:1.9.0.11) Gecko/2009060215 Firefox/3.0.11 (.NET CLR 3.5.30729)');
curl_setopt($ch, CURLOPT_HTTPHEADER, $header);
curl_setopt($ch, CURLOPT_AUTOREFERER, TRUE);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
curl_setopt($ch, CURLOPT_ENCODING, '');
curl_setopt($ch, CURLOPT_TIMEOUT, 20);
$page = curl_exec($ch);
curl_close ($ch);
$this->_encoding = mb_detect_encoding($page);
return $page;
}
protected function _fetchItems() {
$items = [];
$page = $this->__getWWWContent();
$tree = htmlqp($page, NULL, ['convert_from_encoding' => $this->_encoding, 'convert_to_encoding' => $this->_encoding]);
$parents = [];
foreach ($tree->find('div[data-ft]') as $div) {
$data = json_decode($div->attr()['data-ft'], TRUE);
if (isset($data['mf_story_key'])) {
$pIns = $data['page_insights'][$data['page_id']];
$key = $data['mf_story_key'];
$texts = [];
foreach ($div->find('h3') as $h3) {
if (!$h3->find(sprintf('a[href^="/%s/"]', $this->_feed))->count() || $h3->find('a')->count() > 1) {
$texts[] = trim($h3->text());
}
}
foreach ($div->find('div>span p') as $p) {
$texts[] = trim(strip_tags($p->html()));
}
$items[$key] = [
'id' => $key,
'content' => $div->html(),
'texts' => $texts,
'time' => $pIns['post_context']['publish_time']
];
}
}
return array_values($items);
}
protected function _spamFilter($items) {
return $items;
}
protected function _mapItems($content) {
return array_map(
function ($obj) {
$item = new Item();
$item->ID = $obj['id'];
$item->Link = sprintf(
'https://facebook.com/%s',
$obj['id']
);
$item->Title = $obj['texts'][0];
$item->Text = implode('<br />', $obj['texts']);
$item->Time = $obj['time'];
return $item;
},
$content
);
}
protected function _sortContent($content) {
return $content;
}
public function title() {
return sprintf("%s's Facebook page posts", $this->_feed);
}
}
?>
|
