rss-bridge/bridges/TheHackerNewsBridge.php
logmanoriginal 5ad157d2fd bridges: Remove getCacheDuration if default
BridgeAbstract will return 3600 seconds by default, so the function
can be removed from any bridge implementing getCacheDuration
returning the same value.

Documentation updated accordingly.
2016-08-06 16:23:09 +02:00

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3.7 KiB
PHP

<?php
class TheHackerNewsBridge extends BridgeAbstract {
public function loadMetadatas() {
$this->maintainer = 'ORelio';
$this->name = $this->getName();
$this->uri = $this->getURI();
$this->description = 'Cyber Security, Hacking, Technology News.';
$this->update = '2016-08-06';
}
public function collectData(array $param) {
function StripWithDelimiters($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 $string;
}
function StripRecursiveHTMLSection($string, $tag_name, $tag_start) {
$open_tag = '<'.$tag_name;
$close_tag = '</'.$tag_name.'>';
$close_tag_length = strlen($close_tag);
if (strpos($tag_start, $open_tag) === 0) {
while (strpos($string, $tag_start) !== false) {
$max_recursion = 100;
$section_to_remove = null;
$section_start = strpos($string, $tag_start);
$search_offset = $section_start;
do {
$max_recursion--;
$section_end = strpos($string, $close_tag, $search_offset);
$search_offset = $section_end + $close_tag_length;
$section_to_remove = substr($string, $section_start, $section_end - $section_start + $close_tag_length);
$open_tag_count = substr_count($section_to_remove, $open_tag);
$close_tag_count = substr_count($section_to_remove, $close_tag);
} while ($open_tag_count > $close_tag_count && $max_recursion > 0);
$string = str_replace($section_to_remove, '', $string);
}
}
return $string;
}
$html = $this->file_get_html($this->getURI()) or $this->returnError('Could not request TheHackerNews: '.$this->getURI(), 500);
$limit = 0;
foreach ($html->find('article') as $element) {
if ($limit < 5) {
$article_url = $element->find('a.entry-title', 0)->href;
$article_author = trim($element->find('span.vcard', 0)->plaintext);
$article_title = $element->find('a.entry-title', 0)->plaintext;
$article_timestamp = strtotime($element->find('span.updated', 0)->plaintext);
$article_thumbnail = $element->find('img', 0)->src;
$article = $this->file_get_html($article_url) or $this->returnError('Could not request TheHackerNews: '.$article_url, 500);
$contents = $article->find('div.articlebodyonly', 0)->innertext;
$contents = StripRecursiveHTMLSection($contents, 'div', '<div class=\'clear\'');
$contents = StripWithDelimiters($contents, '<script', '</script>');
$item = new \Item();
$item->uri = $article_url;
$item->title = $article_title;
$item->author = $article_author;
$item->thumbnailUri = $article_thumbnail;
$item->timestamp = $article_timestamp;
$item->content = trim($contents);
$this->items[] = $item;
$limit++;
}
}
}
public function getName() {
return 'The Hacker News Bridge';
}
public function getURI() {
return 'https://thehackernews.com/';
}
}