<?php
/**
* poche, a read it later open source system
*
* @category poche
* @author Nicolas Lœuillet <support@inthepoche.com>
* @copyright 2013
* @license http://www.wtfpl.net/ see COPYING file
*/
class Url
{
public $url;
function __construct($url)
{
$this->url = base64_decode($url);
}
public function getUrl() {
return $this->url;
}
public function setUrl($url) {
$this->url = $url;
}
public function isCorrect()
{
$pattern = '|^(.*:)//([a-z\-.]+)(:[0-9]+)?(.*)$|i';
return preg_match($pattern, $this->url);
}
public function clean()
{
$url = html_entity_decode(trim($this->url));
$stuff = strpos($url,'&utm_source=');
if ($stuff !== FALSE)
$url = substr($url, 0, $stuff);
$stuff = strpos($url,'?utm_source=');
if ($stuff !== FALSE)
$url = substr($url, 0, $stuff);
$stuff = strpos($url,'#xtor=RSS-');
if ($stuff !== FALSE)
$url = substr($url, 0, $stuff);
$this->url = $url;
}
public function fetchContent()
{
if ($this->isCorrect()) {
$this->clean();
$html = Encoding::toUTF8(Tools::getFile($this->getUrl()));
# if Tools::getFile() if not able to retrieve HTTPS content, try the same URL with HTTP protocol
if (!preg_match('!^https?://!i', $this->getUrl()) && (!isset($html) || strlen($html) <= 0)) {
$this->setUrl('http://' . $this->getUrl());
$html = Encoding::toUTF8(Tools::getFile($this->getUrl()));
}
if (function_exists('tidy_parse_string')) {
$tidy = tidy_parse_string($html, array(), 'UTF8');
$tidy->cleanRepair();
//Warning: tidy might fail so, ensure there is still a content
$body = $tidy->body();
//hasChildren does not seem to work, just check the string
//returned (and do not forget to clean the white spaces)
if (preg_replace('/\s+/', '', $body->value) !== "<body></body>") {
$html = $tidy->value;
}
}
$parameters = array();
if (isset($html) and strlen($html) > 0)
{
$readability = new Readability($html, $this->getUrl());
$readability->convertLinksToFootnotes = CONVERT_LINKS_FOOTNOTES;
$readability->revertForcedParagraphElements = REVERT_FORCED_PARAGRAPH_ELEMENTS;
if($readability->init())
{
$content = $readability->articleContent->innerHTML;
$parameters['title'] = ($readability->articleTitle->innerHTML != '' ? $readability->articleTitle->innerHTML : _('Untitled'));
$parameters['content'] = $content;
return $parameters;
}
}
}
else {
#$msg->add('e', _('error during url preparation : the link is not valid'));
Tools::logm($this->getUrl() . ' is not a valid url');
}
return FALSE;
}
}
