Rss-Bridge/bridges/WeLiveSecurityBridge.php

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3.4 KiB
PHP
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<?php
class WeLiveSecurityBridge extends BridgeAbstract {
public function loadMetadatas() {
$this->maintainer = 'ORelio';
$this->name = $this->getName();
$this->uri = $this->getURI();
$this->description = 'Returns the newest articles.';
$this->update = '2016-07-19';
}
public function collectData(array $param) {
function ExtractFromDelimiters($string, $start, $end) {
if (strpos($string, $start) !== false) {
$section_retrieved = substr($string, strpos($string, $start) + strlen($start));
$section_retrieved = substr($section_retrieved, 0, strpos($section_retrieved, $end));
return $section_retrieved;
} return false;
}
function StripWithDelimiters($string, $start, $end) {
while (strpos($string, $start) !== false) {
$section_to_remove = substr($string, strpos($string, $start));
$section_to_remove = substr($section_to_remove, 0, strpos($section_to_remove, $end) + strlen($end));
$string = str_replace($section_to_remove, '', $string);
} return $string;
}
$feed = $this->getURI().'feed/';
$html = $this->file_get_html($feed) or $this->returnError('Could not request '.$this->getName().': '.$feed, 500);
$limit = 0;
foreach ($html->find('item') as $element) {
if ($limit < 5) {
$article_image = $element->find('image', 0)->plaintext;
$article_url = ExtractFromDelimiters($element->innertext, '<link>', '</link>');
$article_summary = ExtractFromDelimiters($element->innertext, '<description><![CDATA[<p>', '</p>');
$article_html = file_get_contents($article_url) or $this->returnError('Could not request '.$this->getName().': '.$article_url, 500);
if (substr($article_html, 0, 2) == "\x1f\x8b") //http://www.gzip.org/zlib/rfc-gzip.html#header-trailer -> GZip ID1
$article_html = gzdecode($article_html); //Response is GZipped even if we didn't accept GZip!? Let's decompress...
$article_html = str_get_html($article_html); //Now we have our HTML data. But still, that's an important HTTP violation...
$article_content = $article_html->find('div.wlistingsingletext', 0)->innertext;
$article_content = StripWithDelimiters($article_content, '<script', '</script>');
$article_content = '<p><img src="'.$article_image.'" /></p>'
.'<p><b>'.$article_summary.'</b></p>'
.trim($article_content);
$item = new \Item();
$item->uri = $article_url;
$item->thumbnailUri = $article_image;
$item->title = $element->find('title', 0)->plaintext;
$item->author = $article_html->find('a[rel=author]', 0)->plaintext;
$item->timestamp = strtotime($element->find('pubDate', 0)->plaintext);
$item->content = $article_content;
$this->items[] = $item;
$limit++;
}
}
}
public function getName() {
return 'We Live Security';
}
public function getURI() {
return 'http://www.welivesecurity.com/';
}
public function getCacheDuration() {
return 3600; //1 hour
}
}