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<?php
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// vérifie qu'on est connecté
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function is_logged () {
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return Session::param ('mail') != false;
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}
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// vérifie que le système d'authentification est configuré
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function login_is_conf ($conf) {
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return $conf->mailLogin () != false;
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}
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// tiré de Shaarli de Seb Sauvage //Format RFC 4648 base64url
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function small_hash ($txt) {
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$t = rtrim (base64_encode (hash ('crc32', $txt, true)), '=');
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return strtr ($t, '+/', '-_');
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}
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function timestamptodate ($t, $hour = true) {
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$month = Translate::t (date('M', $t));
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if ($hour) {
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$date = Translate::t ('format_date_hour', $month);
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} else {
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$date = Translate::t ('format_date', $month);
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}
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return date ($date, $t);
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}
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function sortEntriesByDate ($entry1, $entry2) {
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return $entry2->date (true) - $entry1->date (true);
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}
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function sortReverseEntriesByDate ($entry1, $entry2) {
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return $entry1->date (true) - $entry2->date (true);
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}
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function get_domain ($url) {
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return parse_url($url, PHP_URL_HOST);
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}
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function opml_export ($cats) {
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$txt = '';
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foreach ($cats as $cat) {
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$txt .= '<outline text="' . $cat['name'] . '">' . "\n";
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foreach ($cat['feeds'] as $feed) {
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$txt .= "\t" . '<outline text="' . cleanText ($feed->name ()) . '" type="rss" xmlUrl="' . htmlentities ($feed->url (), ENT_COMPAT, 'UTF-8') . '" htmlUrl="' . htmlentities ($feed->website (), ENT_COMPAT, 'UTF-8') . '" />' . "\n";
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}
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$txt .= '</outline>' . "\n";
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}
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return $txt;
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}
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function cleanText ($text) {
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return preg_replace ('/&[\w]+;/', '', $text);
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}
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function opml_import ($xml) {
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$opml = @simplexml_load_string ($xml);
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if (!$opml) {
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throw new OpmlException ();
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}
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$catDAO = new CategoryDAO();
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$catDAO->checkDefault();
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$defCat = $catDAO->getDefault();
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$categories = array ();
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$feeds = array ();
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foreach ($opml->body->outline as $outline) {
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if (!isset ($outline['xmlUrl'])) {
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// Catégorie
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$title = '';
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if (isset ($outline['text'])) {
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$title = (string) $outline['text'];
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} elseif (isset ($outline['title'])) {
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$title = (string) $outline['title'];
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}
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if ($title) {
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// Permet d'éviter les soucis au niveau des id :
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// ceux-ci sont générés en fonction de la date,
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// un flux pourrait être dans une catégorie X avec l'id Y
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// alors qu'il existe déjà la catégorie X mais avec l'id Z
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// Y ne sera pas ajouté et le flux non plus vu que l'id
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// de sa catégorie n'exisera pas
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$catDAO = new CategoryDAO ();
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$cat = $catDAO->searchByName ($title);
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if ($cat === false) {
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$cat = new Category ($title);
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}
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$categories[] = $cat;
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$feeds = array_merge ($feeds, getFeedsOutline ($outline, $cat->id ()));
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}
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} else {
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// Flux rss sans catégorie, on récupère l'ajoute dans la catégorie par défaut
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$feeds[] = getFeed ($outline, $defCat->id());
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}
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}
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return array ($categories, $feeds);
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}
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/**
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* import all feeds of a given outline tag
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*/
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function getFeedsOutline ($outline, $cat_id) {
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$feeds = array ();
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foreach ($outline->children () as $child) {
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if (isset ($child['xmlUrl'])) {
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$feeds[] = getFeed ($child, $cat_id);
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} else {
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$feeds = array_merge(
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$feeds,
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getFeedsOutline ($child, $cat_id)
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);
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}
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}
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return $feeds;
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}
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function getFeed ($outline, $cat_id) {
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$url = (string) $outline['xmlUrl'];
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$title = '';
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if (isset ($outline['text'])) {
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$title = (string) $outline['text'];
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} elseif (isset ($outline['title'])) {
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$title = (string) $outline['title'];
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}
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$feed = new Feed ($url);
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$feed->_category ($cat_id);
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$feed->_name ($title);
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return $feed;
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}
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/* permet de récupérer le contenu d'un article pour un flux qui n'est pas complet */
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function get_content_by_parsing ($url, $path) {
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$html = file_get_contents ($url);
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if ($html) {
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$doc = phpQuery::newDocument ($html);
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$content = $doc->find ($path);
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$content->find ('*')->removeAttr ('style')
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->removeAttr ('id')
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->removeAttr ('class')
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->removeAttr ('onload')
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->removeAttr ('target');
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$content->removeAttr ('style')
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->removeAttr ('id')
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->removeAttr ('class')
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->removeAttr ('onload')
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->removeAttr ('target');
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return $content->__toString ();
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} else {
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throw new Exception ();
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}
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}
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/* Télécharge le favicon d'un site, le place sur le serveur et retourne l'URL */
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function dowload_favicon ($website, $id) {
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$url = 'http://g.etfv.co/' . $website;
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$favicons_dir = PUBLIC_PATH . '/favicons';
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$dest = $favicons_dir . '/' . $id . '.ico';
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$favicon_url = '/favicons/' . $id . '.ico';
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if (!is_dir ($favicons_dir)) {
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if (!mkdir ($favicons_dir, 0755, true)) {
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return $url;
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}
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}
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if (!file_exists ($dest)) {
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$c = curl_init ($url);
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curl_setopt ($c, CURLOPT_HEADER, false);
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curl_setopt ($c, CURLOPT_RETURNTRANSFER, true);
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curl_setopt ($c, CURLOPT_BINARYTRANSFER, true);
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$imgRaw = curl_exec ($c);
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if (curl_getinfo ($c, CURLINFO_HTTP_CODE) == 200) {
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$file = fopen ($dest, 'w');
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if ($file === false) {
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return $url;
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}
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fwrite ($file, $imgRaw);
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fclose ($file);
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} else {
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return $url;
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}
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curl_close ($c);
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}
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return $favicon_url;
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}
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/**
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* Add support of image lazy loading
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* Move content from src attribute to data-original
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* @param content is the text we want to parse
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*/
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function lazyimg($content) {
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return preg_replace(
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'/<img([^>]+?)src=[\'"]([^"\']+)[\'"]([^>]*)>/i',
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'<img$1src="' . Url::display('/themes/icons/grey.gif') . '" data-original="$2"$3>',
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$content
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);
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}
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