forked from blallo/rss-bridge
Merge branch 'ImproveBridgeLogic' of https://github.com/logmanoriginal/rss-bridge
This commit is contained in:
logmanoriginal
commit
73ec10f9ca
6 changed files with 288 additions and 281 deletions
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@ -1,6 +1,6 @@
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<?php
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define("FREENEWS_RSS", 'http://feeds.feedburner.com/Freenews-Freebox?format=xml');
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class Freenews extends RssExpander {
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class FreenewsBridge extends RssExpander {
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public function loadMetadatas() {
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@ -21,14 +21,14 @@ class Freenews extends RssExpander {
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protected function parseRSSItem($newsItem) {
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$item = array();
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$item['title'] = trim($newsItem->title);
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// $this->message("item has for title \"".$item['title']."\"");
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$this->debugMessage("item has for title \"".$item['title']."\"");
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if(empty($newsItem->guid)) {
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$item['uri'] = (string) $newsItem->link;
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} else {
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$item['uri'] = (string) $newsItem->guid;
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}
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// now load that uri from cache
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// $this->message("now loading page ".$item['uri']);
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$this->debugMessage("now loading page ".$item['uri']);
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$articlePage = str_get_html($this->get_cached($item['uri']));
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$content = $articlePage->find('.post-container', 0);
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@ -2,7 +2,7 @@
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define("RSS_PREFIX", "http://feeds.gawker.com/");
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define("RSS_SUFFIX", "/full");
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class Gawker extends RssExpander{
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class GawkerBridge extends RssExpander{
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public function loadMetadatas() {
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@ -28,7 +28,7 @@ class Gawker extends RssExpander{
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$this->name = $param['site'];
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$url = $this->toURI(strtolower($param['site']));
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}
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// $this->message("loading feed from ".$this->getURI());
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$this->debugMessage("loading feed from ".$this->getURI());
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parent::collectExpandableDatas($param, $url);
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}
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@ -37,10 +37,10 @@ class Gawker extends RssExpander{
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$item['uri'] = trim($newsItem->link);
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$item['title'] = trim($newsItem->title);
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$item['timestamp'] = $this->RSS_2_0_time_to_timestamp($newsItem);
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// $this->message("///////////////////////////////////////////////////////////////////////////////////////\nprocessing item ".var_export($item, true)."\n\n\nbuilt from\n\n\n".var_export($newsItem, true));
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$this->debugMessage("///////////////////////////////////////////////////////////////////////////////////////\nprocessing item ".var_export($item, true)."\n\n\nbuilt from\n\n\n".var_export($newsItem, true));
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try {
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// now load that uri from cache
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// $this->message("loading page ".$item['uri']);
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$this->debugMessage("loading page ".$item['uri']);
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$articlePage = str_get_html($this->get_cached($item['uri']));
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if(is_object($articlePage)) {
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$content = $articlePage->find('.post-content', 0);
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@ -51,14 +51,14 @@ class Gawker extends RssExpander{
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$item['author'] = $authorLink->innertext;
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// TODO use author link href to fill the feed info
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}
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// $this->message("item quite loaded : ".var_export($item, true));
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$this->debugMessage("item quite loaded : ".var_export($item, true));
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// I set item content as last element, for easier var_export reading
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$item['content'] = $content->innertext;
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} else {
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throw new Exception("cache content for ".$item['uri']." is NOT a Simple DOM parser object !");
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}
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} catch(Exception $e) {
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$this->message("obtaining ".$item['uri']." resulted in exception ".$e->getMessage().". Deleting cached page ...");
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$this->debugMessage("obtaining ".$item['uri']." resulted in exception ".$e->getMessage().". Deleting cached page ...");
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// maybe file is incorrect. it should be discarded from cache
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$this->remove_from_cache($item['url']);
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$item['content'] = $e->getMessage();
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@ -2,7 +2,7 @@
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define("SEXE", "http://sexes.blogs.liberation.fr");
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define("SEXE_FEED", "http://sexes.blogs.liberation.fr/feeds/");
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class Les400Culs extends RssExpander{
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class Les400CulsBridge extends RssExpander{
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public function loadMetadatas() {
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@ -21,14 +21,14 @@ class Les400Culs extends RssExpander{
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protected function parseRSSItem($newsItem) {
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$item = array();
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$item['title'] = trim((string) $newsItem->title);
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// $this->message("browsing item ".var_export($newsItem, true));
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$this->debugMessage("browsing item ".var_export($newsItem, true));
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if(empty($newsItem->guid)) {
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$item['uri'] = (string) $newsItem->link;
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} else {
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$item['uri'] = (string) $newsItem->guid;
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}
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// now load that uri from cache
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// $this->message("now loading page ".$item['uri']);
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$this->debugMessage("now loading page ".$item['uri']);
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// $articlePage = str_get_html($this->get_cached($item['uri']));
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// $content = $articlePage->find('.post-container', 0);
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@ -24,10 +24,10 @@ class TheOatmealBridge extends RssExpander{
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protected function collect_RSS_2_0_data($rssContent) {
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$rssContent->registerXPathNamespace("dc", "http://purl.org/dc/elements/1.1/");
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$rssHeaderContent = $rssContent->channel[0];
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// $this->message("RSS content is ===========\n".var_export($rssHeaderContent, true)."===========");
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$this->debugMessage("RSS content is ===========\n".var_export($rssHeaderContent, true)."===========");
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$this->load_RSS_2_0_feed_data($rssHeaderContent);
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foreach($rssContent->item as $item) {
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$this->message("parsing item ".var_export($item, true));
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$this->debugMessage("parsing item ".var_export($item, true));
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$this->items[] = $this->parseRSSItem($item);
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}
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}
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@ -39,10 +39,10 @@ class TheOatmealBridge extends RssExpander{
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$rdf = $newsItem->children($namespaces['rdf']);
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$item = array();
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$item['title'] = trim($newsItem->title);
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$this->message("browsing Oatmeal item ".var_export($newsItem, true));
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$this->debugMessage("browsing Oatmeal item ".var_export($newsItem, true));
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$item['uri']=(string) $newsItem->attributes($namespaces['rdf'])->about;
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// now load that uri from cache
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$this->message("now loading page ".$item['uri']);
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$this->debugMessage("now loading page ".$item['uri']);
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$articlePage = str_get_html($this->get_cached($item['uri']));
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$content = $articlePage->find('#comic', 0);
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@ -51,10 +51,10 @@ class TheOatmealBridge extends RssExpander{
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}
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$item['content'] = $content->innertext;
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$this->message("dc content is ".var_export($dc, true));
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$this->debugMessage("dc content is ".var_export($dc, true));
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$item['author'] = (string) $dc->creator;
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$item['timestamp'] = DateTime::createFromFormat(DateTime::ISO8601, $dc->date)->getTimestamp();
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$this->message("writtem by ".$item['author']." on ".$item['timestamp']);
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$this->debugMessage("writtem by ".$item['author']." on ".$item['timestamp']);
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return $item;
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}
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@ -1,7 +1,7 @@
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<?php
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define('WORLD_OF_TANKS', 'http://worldoftanks.eu/');
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define('NEWS', '/news/');
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class WorldOfTanks extends HttpCachingBridgeAbstract{
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class WorldOfTanksBridge extends HttpCachingBridgeAbstract{
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private $lang = "fr";
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public $uri = WORLD_OF_TANKS;
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@ -45,7 +45,7 @@ class WorldOfTanks extends HttpCachingBridgeAbstract{
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$this->uri = WORLD_OF_TANKS.$this->lang.NEWS.'pc-browser/'.$param['category']."/";
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}
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$html = $this->getSimpleHTMLDOM($this->getURI()) or $this->returnServerError('Could not request '.$this->getURI());
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$this->message("loaded HTML from ".$this->getURI());
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$this->debugMessage("loaded HTML from ".$this->getURI());
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// customize name
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$this->name = $html->find('title', 0)->innertext;
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foreach($html->find('.b-imgblock_ico') as $infoLink) {
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@ -57,7 +57,7 @@ class WorldOfTanks extends HttpCachingBridgeAbstract{
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$item = array();
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$item['uri'] = WORLD_OF_TANKS.$infoLink->href;
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// now load that uri from cache
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// $this->message("loading page ".$item['uri']);
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$this->debugMessage("loading page ".$item['uri']);
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$articlePage = str_get_html($this->get_cached($item['uri']));
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$content = $articlePage->find('.l-content', 0);
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HTMLSanitizer::defaultImageSrcTo($content, WORLD_OF_TANKS);
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527
lib/Bridge.php
527
lib/Bridge.php
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@ -1,10 +1,108 @@
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<?php
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/**
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* All bridge logic
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* Note : adapter are store in other place
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*/
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class Bridge {
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interface BridgeInterface{
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static protected $dirBridge;
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public function __construct(){
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throw new \LogicException('Please use ' . __CLASS__ . '::create for new object.');
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}
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/**
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* Checks if a bridge is an instantiable bridge.
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* @param string $nameBridge name of the bridge that you want to use
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* @return true if it is an instantiable bridge, false otherwise.
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*/
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static public function isInstantiable($nameBridge){
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$re = new ReflectionClass($nameBridge);
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return $re->IsInstantiable();
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}
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/**
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* Create a new bridge object
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* @param string $nameBridge Defined bridge name you want use
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* @return Bridge object dedicated
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*/
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static public function create($nameBridge){
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if(!preg_match('@^[A-Z][a-zA-Z0-9-]*$@', $nameBridge)){
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$message = <<<EOD
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'nameBridge' must start with one uppercase character followed or not by
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alphanumeric or dash characters!
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EOD;
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throw new \InvalidArgumentException($message);
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}
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$nameBridge = $nameBridge . 'Bridge';
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$pathBridge = self::getDir() . $nameBridge . '.php';
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if(!file_exists($pathBridge)){
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throw new \Exception('The bridge you looking for does not exist. It should be at path ' . $pathBridge);
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}
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require_once $pathBridge;
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if(Bridge::isInstantiable($nameBridge)){
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return new $nameBridge();
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} else {
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return false;
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}
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}
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static public function setDir($dirBridge){
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if(!is_string($dirBridge)){
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throw new \InvalidArgumentException('Dir bridge must be a string.');
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}
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if(!file_exists($dirBridge)){
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throw new \Exception('Dir bridge does not exist.');
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}
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self::$dirBridge = $dirBridge;
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}
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static public function getDir(){
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$dirBridge = self::$dirBridge;
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if(is_null($dirBridge)){
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throw new \LogicException(__CLASS__ . ' class need to know bridge path !');
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}
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return $dirBridge;
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}
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/**
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* Lists the available bridges.
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* @return array List of the bridges
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*/
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static public function listBridges(){
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$pathDirBridge = self::getDir();
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$listBridge = array();
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$dirFiles = scandir($pathDirBridge);
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if($dirFiles !== false){
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foreach($dirFiles as $fileName){
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if(preg_match('@^([^.]+)Bridge\.php$@U', $fileName, $out)){
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$listBridge[] = $out[1];
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}
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}
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}
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return $listBridge;
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}
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static public function isWhitelisted($whitelist, $name){
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if(in_array($name, $whitelist)
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or in_array($name . '.php', $whitelist)
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or in_array($name . 'Bridge', $whitelist) // DEPRECATED
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or in_array($name . 'Bridge.php', $whitelist) // DEPRECATED
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or count($whitelist) === 1 and trim($whitelist[0]) === '*'){
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return true;
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} else {
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return false;
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}
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}
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}
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interface BridgeInterface {
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public function collectData(array $param);
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public function getCacheDuration();
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public function loadMetadatas();
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@ -12,21 +110,18 @@ interface BridgeInterface{
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public function getURI();
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}
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abstract class BridgeAbstract implements BridgeInterface{
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abstract class BridgeAbstract implements BridgeInterface {
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protected $cache;
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protected $items = array();
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public $name = "Unnamed bridge";
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public $uri = "";
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public $description = 'No description provided';
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public $maintainer = 'No maintainer';
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public $useProxy = true;
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public $parameters = array();
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public $name = 'Unnamed bridge';
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public $uri = '';
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public $description = 'No description provided';
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public $maintainer = 'No maintainer';
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public $useProxy = true;
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public $parameters = array();
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/**
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* Launch probative exception
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*/
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protected function returnError($message, $code){
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throw new \HttpException($message, $code);
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}
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@ -40,340 +135,254 @@ abstract class BridgeAbstract implements BridgeInterface{
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}
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/**
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* Return datas stored in the bridge
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* Return items stored in the bridge
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* @return mixed
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*/
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public function getDatas(){
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return $this->items;
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}
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|
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|
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/**
|
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* Defined datas with parameters depending choose bridge
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* Note : you can define a cache before with "setCache"
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* @param array $param $_REQUEST, $_GET, $_POST, or array with bridge expected paramters
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* Note : you can define a cache with "setCache"
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* @param array $param $_REQUEST, $_GET, $_POST, or array with expected
|
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* bridge paramters
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*/
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public function setDatas(array $param){
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if( !is_null($this->cache) ){
|
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if(!is_null($this->cache)){
|
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$this->cache->prepare($param);
|
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$time = $this->cache->getTime();
|
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}
|
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else{
|
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$time = false; // No cache ? No time !
|
||||
} else {
|
||||
$time = false;
|
||||
}
|
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|
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if( $time !== false && ( time() - $this->getCacheDuration() < $time ) ){ // Cache file has not expired. Serve it.
|
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if($time !== false && (time() - $this->getCacheDuration() < $time)){
|
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$this->items = $this->cache->loadData();
|
||||
}
|
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else{
|
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} else {
|
||||
$this->collectData($param);
|
||||
|
||||
if( !is_null($this->cache) ){ // Cache defined ? We go to refresh is memory :D
|
||||
if(!is_null($this->cache)){
|
||||
$this->cache->saveData($this->getDatas());
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Define default bridge name
|
||||
*/
|
||||
public function getName(){
|
||||
return $this->name;
|
||||
}
|
||||
|
||||
/**
|
||||
* Define default bridge URI
|
||||
*/
|
||||
public function getURI(){
|
||||
return $this->uri;
|
||||
}
|
||||
|
||||
/**
|
||||
* Define default duraction for cache
|
||||
*/
|
||||
public function getCacheDuration(){
|
||||
return 3600;
|
||||
}
|
||||
|
||||
/**
|
||||
* Defined cache object to use
|
||||
*/
|
||||
public function setCache(\CacheAbstract $cache){
|
||||
$this->cache = $cache;
|
||||
|
||||
return $this;
|
||||
}
|
||||
|
||||
public function message($text) {
|
||||
if(!file_exists('DEBUG')){
|
||||
return;
|
||||
}
|
||||
$backtrace = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS, 3);
|
||||
$calling = $backtrace[2];
|
||||
$message = $calling["file"].":".$calling["line"]
|
||||
." class ".get_class($this)."->".$calling["function"]
|
||||
." - ".$text;
|
||||
error_log($message);
|
||||
}
|
||||
|
||||
protected function getContents($url,$use_include_path=false,$context=null,$offset=0,$maxlen=null){
|
||||
$contextOptions = array(
|
||||
'http' => array(
|
||||
'user_agent'=>ini_get('user_agent')
|
||||
),
|
||||
);
|
||||
|
||||
if(defined('PROXY_URL') && $this->useProxy) {
|
||||
$contextOptions['http']['proxy'] = PROXY_URL;
|
||||
$contextOptions['http']['request_fulluri'] = true;
|
||||
|
||||
if(is_null($context)){
|
||||
$context = stream_context_create($contextOptions);
|
||||
} else {
|
||||
$prevContext=$context;
|
||||
if(!stream_context_set_option($context,$contextOptions)){
|
||||
$context=$prevContext;
|
||||
};
|
||||
public function debugMessage($text){
|
||||
if(!file_exists('DEBUG')) {
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
if(is_null($maxlen)){
|
||||
$content=@file_get_contents($url, $use_include_path, $context, $offset);
|
||||
}else{
|
||||
$content=@file_get_contents($url, $use_include_path, $context, $offset,$maxlen);
|
||||
}
|
||||
$backtrace = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS, 3);
|
||||
$calling = $backtrace[2];
|
||||
$message = $calling['file'] . ':'
|
||||
. $calling['line'] . ' class '
|
||||
. get_class($this) . '->'
|
||||
. $calling['function'] . ' - '
|
||||
. $text;
|
||||
|
||||
if($content===false){
|
||||
$this->message('Cant\'t download '.$url );
|
||||
}
|
||||
return $content;
|
||||
error_log($message);
|
||||
}
|
||||
|
||||
protected function getSimpleHTMLDOM($url, $use_include_path = false, $context=null, $offset = 0, $maxLen=null, $lowercase = true, $forceTagsClosed=true, $target_charset = DEFAULT_TARGET_CHARSET, $stripRN=true, $defaultBRText=DEFAULT_BR_TEXT, $defaultSpanText=DEFAULT_SPAN_TEXT){
|
||||
$content=$this->getContents($url,$use_include_path,$context,$offset,$maxLen);
|
||||
return str_get_html($content,$lowercase,$forceTagsClosed,$target_charset,$stripRN,$defaultBRText,$defaultSpanText);
|
||||
protected function getContents($url
|
||||
, $use_include_path = false
|
||||
, $context = null
|
||||
, $offset = 0
|
||||
, $maxlen = null){
|
||||
$contextOptions = array(
|
||||
'http' => array(
|
||||
'user_agent' => ini_get('user_agent')
|
||||
),
|
||||
);
|
||||
|
||||
if(defined('PROXY_URL') && $this->useProxy){
|
||||
$contextOptions['http']['proxy'] = PROXY_URL;
|
||||
$contextOptions['http']['request_fulluri'] = true;
|
||||
|
||||
if(is_null($context)){
|
||||
$context = stream_context_create($contextOptions);
|
||||
} else {
|
||||
$prevContext=$context;
|
||||
if(!stream_context_set_option($context, $contextOptions)){
|
||||
$context = $prevContext;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if(is_null($maxlen)){
|
||||
$content = @file_get_contents($url, $use_include_path, $context, $offset);
|
||||
} else {
|
||||
$content = @file_get_contents($url, $use_include_path, $context, $offset, $maxlen);
|
||||
}
|
||||
|
||||
if($content === false)
|
||||
$this->debugMessage('Cant\'t download ' . $url);
|
||||
|
||||
return $content;
|
||||
}
|
||||
|
||||
protected function getSimpleHTMLDOM($url
|
||||
, $use_include_path = false
|
||||
, $context = null
|
||||
, $offset = 0
|
||||
, $maxLen = null
|
||||
, $lowercase = true
|
||||
, $forceTagsClosed = true
|
||||
, $target_charset = DEFAULT_TARGET_CHARSET
|
||||
, $stripRN = true
|
||||
, $defaultBRText = DEFAULT_BR_TEXT
|
||||
, $defaultSpanText = DEFAULT_SPAN_TEXT){
|
||||
$content = $this->getContents($url, $use_include_path, $context, $offset, $maxLen);
|
||||
return str_get_html($content
|
||||
, $lowercase
|
||||
, $forceTagsClosed
|
||||
, $target_charset
|
||||
, $stripRN
|
||||
, $defaultBRText
|
||||
, $defaultSpanText);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Extension of BridgeAbstract allowing caching of files downloaded over http files.
|
||||
* This is specially useful for sites from Gawker or Liberation networks, which allow pages excerpts top be viewed together on index, while full pages have to be downloaded
|
||||
* separately.
|
||||
* This class mainly provides a get_cached method which will will download the file from its remote location.
|
||||
* TODO allow file cache invalidation by touching files on access, and removing files/directories which have not been touched since ... a long time
|
||||
* After all, rss-bridge is not respaw, isn't it ?
|
||||
* Extension of BridgeAbstract allowing caching of files downloaded over http.
|
||||
* TODO allow file cache invalidation by touching files on access, and removing
|
||||
* files/directories which have not been touched since ... a long time
|
||||
*/
|
||||
abstract class HttpCachingBridgeAbstract extends BridgeAbstract {
|
||||
|
||||
/**
|
||||
* Maintain locally cached versions of pages to download to avoid multiple doiwnloads.
|
||||
* A file name is generated by replacing all "/" by "_", and the file is saved below this bridge cache
|
||||
* Maintain locally cached versions of pages to download, to avoid multiple downloads.
|
||||
* @param url url to cache
|
||||
* @return content of file as string
|
||||
* @return content of the file as string
|
||||
*/
|
||||
public function get_cached($url) {
|
||||
$simplified_url = str_replace(["http://", "https://", "?", "&", "="], ["", "", "/", "/", "/"], $url);
|
||||
// TODO build this from the variable given to Cache
|
||||
$pageCacheDir = __DIR__ . '/../cache/'."pages/";
|
||||
$filename = $pageCacheDir.$simplified_url;
|
||||
if (substr($filename, -1) == '/') {
|
||||
$filename = $filename."index.html";
|
||||
}
|
||||
if(file_exists($filename)) {
|
||||
// $this->message("loading cached file from ".$filename." for page at url ".$url);
|
||||
// TODO touch file and its parent, and try to do neighbour deletion
|
||||
$this->refresh_in_cache($pageCacheDir, $filename);
|
||||
$content=file_get_contents($filename);
|
||||
} else {
|
||||
// $this->message("we have no local copy of ".$url." Downloading to ".$filename);
|
||||
$dir = substr($filename, 0, strrpos($filename, '/'));
|
||||
if(!is_dir($dir)) {
|
||||
// $this->message("creating directories for ".$dir);
|
||||
public function get_cached($url){
|
||||
// TODO build this from the variable given to Cache
|
||||
$cacheDir = __DIR__ . '/../cache/pages/';
|
||||
$filepath = $this->buildCacheFilePath($url, $cacheDir);
|
||||
|
||||
if(file_exists($filepath)){
|
||||
$this->debugMessage('loading cached file from ' . $filepath . ' for page at url ' . $url);
|
||||
// TODO touch file and its parent, and try to do neighbour deletion
|
||||
$this->refresh_in_cache($cacheDir, $filepath);
|
||||
$content = file_get_contents($filepath);
|
||||
} else {
|
||||
$this->debugMessage('we have no local copy of ' . $url . ' Downloading to ' . $filepath);
|
||||
$dir = substr($filepath, 0, strrpos($filepath, '/'));
|
||||
|
||||
if(!is_dir($dir)){
|
||||
$this->debugMessage('creating directories for ' . $dir);
|
||||
mkdir($dir, 0777, true);
|
||||
}
|
||||
$content=$this->getContents($url);
|
||||
if($content!==false){
|
||||
file_put_contents($filename,$content);
|
||||
|
||||
$content = $this->getContents($url);
|
||||
if($content !== false){
|
||||
file_put_contents($filepath, $content);
|
||||
}
|
||||
}
|
||||
|
||||
return $content;
|
||||
}
|
||||
|
||||
public function get_cached_time($url) {
|
||||
$simplified_url = str_replace(["http://", "https://", "?", "&", "="], ["", "", "/", "/", "/"], $url);
|
||||
public function get_cached_time($url){
|
||||
// TODO build this from the variable given to Cache
|
||||
$pageCacheDir = __DIR__ . '/../cache/'."pages/";
|
||||
$filename = $pageCacheDir.$simplified_url;
|
||||
if (substr($filename, -1) == '/') {
|
||||
$filename = $filename."index.html";
|
||||
}
|
||||
if(!file_exists($filename)) {
|
||||
$cacheDir = __DIR__ . '/../cache/pages/';
|
||||
$filepath = $this->buildCacheFilePath($url, $cacheDir);
|
||||
|
||||
if(!file_exists($filepath)){
|
||||
$this->get_cached($url);
|
||||
}
|
||||
return filectime($filename);
|
||||
|
||||
return filectime($filepath);
|
||||
}
|
||||
|
||||
private function refresh_in_cache($pageCacheDir, $filename) {
|
||||
$currentPath = $filename;
|
||||
while(!$pageCacheDir==$currentPath) {
|
||||
touch($currentPath);
|
||||
$currentPath = dirname($currentPath);
|
||||
}
|
||||
private function refresh_in_cache($cacheDir, $filepath){
|
||||
$currentPath = $filepath;
|
||||
while(!$cacheDir == $currentPath){
|
||||
touch($currentPath);
|
||||
$currentPath = dirname($currentPath);
|
||||
}
|
||||
}
|
||||
|
||||
public function remove_from_cache($url) {
|
||||
$simplified_url = str_replace(["http://", "https://", "?", "&", "="], ["", "", "/", "/", "/"], $url);
|
||||
// TODO build this from the variable given to Cache
|
||||
$pageCacheDir = __DIR__ . '/../cache/'."pages/";
|
||||
$filename = realpath($pageCacheDir.$simplified_url);
|
||||
$this->message("removing from cache \"".$filename."\" WELL, NOT REALLY");
|
||||
// filename is NO GOOD
|
||||
// unlink($filename);
|
||||
private function buildCacheFilePath($url, $cacheDir){
|
||||
$simplified_url = str_replace(
|
||||
['http://', 'https://', '?', '&', '='],
|
||||
['', '', '/', '/', '/'],
|
||||
$url);
|
||||
|
||||
if(substr($cacheDir, -1) !== '/'){
|
||||
$cacheDir .= '/';
|
||||
}
|
||||
|
||||
$filepath = $cacheDir . $simplified_url;
|
||||
|
||||
if(substr($filepath, -1) === '/'){
|
||||
$filepath .= 'index.html';
|
||||
}
|
||||
|
||||
return $filepath;
|
||||
}
|
||||
|
||||
public function remove_from_cache($url){
|
||||
// TODO build this from the variable given to Cache
|
||||
$cacheDir = __DIR__ . '/../cache/pages/';
|
||||
$filepath = $this->buildCacheFilePath($url, $cacheDir);
|
||||
$this->debugMessage('removing from cache \'' . $filepath . '\' WELL, NOT REALLY');
|
||||
// unlink($filepath);
|
||||
}
|
||||
}
|
||||
|
||||
class Bridge{
|
||||
|
||||
static protected $dirBridge;
|
||||
|
||||
public function __construct(){
|
||||
throw new \LogicException('Please use ' . __CLASS__ . '::create for new object.');
|
||||
}
|
||||
|
||||
/**
|
||||
* Checks if a bridge is an instantiable bridge.
|
||||
* @param string $nameBridge name of the bridge that you want to use
|
||||
* @return true if it is an instantiable bridge, false otherwise.
|
||||
*/
|
||||
static public function isInstantiable($nameBridge) {
|
||||
|
||||
$re = new ReflectionClass($nameBridge);
|
||||
return $re->IsInstantiable();
|
||||
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Create a new bridge object
|
||||
* @param string $nameBridge Defined bridge name you want use
|
||||
* @return Bridge object dedicated
|
||||
*/
|
||||
static public function create($nameBridge){
|
||||
if( !preg_match('@^[A-Z][a-zA-Z0-9-]*$@', $nameBridge)){
|
||||
throw new \InvalidArgumentException('Name bridge must be at least one uppercase follow or not by alphanumeric or dash characters.');
|
||||
}
|
||||
|
||||
$nameBridge=$nameBridge.'Bridge';
|
||||
$pathBridge = self::getDir() . $nameBridge . '.php';
|
||||
|
||||
if( !file_exists($pathBridge) ){
|
||||
throw new \Exception('The bridge you looking for does not exist. It should be at path '.$pathBridge);
|
||||
}
|
||||
|
||||
require_once $pathBridge;
|
||||
|
||||
if(Bridge::isInstantiable($nameBridge)) {
|
||||
return new $nameBridge();
|
||||
} else {
|
||||
return FALSE;
|
||||
}
|
||||
}
|
||||
|
||||
static public function setDir($dirBridge){
|
||||
if( !is_string($dirBridge) ){
|
||||
throw new \InvalidArgumentException('Dir bridge must be a string.');
|
||||
}
|
||||
|
||||
if( !file_exists($dirBridge) ){
|
||||
throw new \Exception('Dir bridge does not exist.');
|
||||
}
|
||||
|
||||
self::$dirBridge = $dirBridge;
|
||||
}
|
||||
|
||||
static public function getDir(){
|
||||
$dirBridge = self::$dirBridge;
|
||||
|
||||
if( is_null($dirBridge) ){
|
||||
throw new \LogicException(__CLASS__ . ' class need to know bridge path !');
|
||||
}
|
||||
|
||||
return $dirBridge;
|
||||
}
|
||||
|
||||
/**
|
||||
* Lists the available bridges.
|
||||
* @return array List of the bridges
|
||||
*/
|
||||
static public function listBridges() {
|
||||
|
||||
$pathDirBridge = self::getDir();
|
||||
$listBridge = array();
|
||||
$dirFiles = scandir($pathDirBridge);
|
||||
|
||||
if( $dirFiles !== false ){
|
||||
foreach( $dirFiles as $fileName ) {
|
||||
if( preg_match('@^([^.]+)Bridge\.php$@U', $fileName, $out) ){
|
||||
$listBridge[] = $out[1];
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return $listBridge;
|
||||
}
|
||||
static function isWhitelisted( $whitelist, $name ) {
|
||||
if(in_array($name, $whitelist) or in_array($name.'.php', $whitelist) or
|
||||
// DEPRECATED: the nameBridge notation will be removed in future releases
|
||||
in_array($name.'Bridge', $whitelist) or in_array($name.'Bridge.php', $whitelist) or
|
||||
count($whitelist) === 1 and trim($whitelist[0]) === '*')
|
||||
return TRUE;
|
||||
else
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
abstract class RssExpander extends HttpCachingBridgeAbstract{
|
||||
|
||||
public $name;
|
||||
public $uri;
|
||||
public $description;
|
||||
abstract class RssExpander extends HttpCachingBridgeAbstract {
|
||||
|
||||
public function collectExpandableDatas(array $param, $name){
|
||||
if (empty($name)) {
|
||||
if(empty($name)){
|
||||
$this->returnServerError('There is no $name for this RSS expander');
|
||||
}
|
||||
// $this->message("Loading from ".$param['url']);
|
||||
// Notice WE DO NOT use cache here on purpose : we want a fresh view of the RSS stream each time
|
||||
$content=$this->getContents($name) or
|
||||
$this->returnServerError('Could not request '.$name);
|
||||
|
||||
$this->debugMessage('Loading from ' . $param['url']);
|
||||
|
||||
/* Notice we do not use cache here on purpose:
|
||||
* we want a fresh view of the RSS stream each time
|
||||
*/
|
||||
$content = $this->getContents($name) or $this->returnServerError('Could not request ' . $name);
|
||||
|
||||
$rssContent = simplexml_load_string($content);
|
||||
// $this->message("loaded RSS from ".$param['url']);
|
||||
$this->debugMessage('loaded RSS from ' . $param['url']);
|
||||
// TODO insert RSS format detection
|
||||
// we suppose for now, we have some RSS 2.0
|
||||
// For now we always assume RSS 2.0
|
||||
$this->collect_RSS_2_0_data($rssContent);
|
||||
}
|
||||
|
||||
protected function collect_RSS_2_0_data($rssContent) {
|
||||
protected function collect_RSS_2_0_data($rssContent){
|
||||
$rssContent = $rssContent->channel[0];
|
||||
// $this->message("RSS content is ===========\n".var_export($rssContent, true)."===========");
|
||||
$this->debugMessage('RSS content is ===========\n' . var_export($rssContent, true) . '===========');
|
||||
$this->load_RSS_2_0_feed_data($rssContent);
|
||||
foreach($rssContent->item as $item) {
|
||||
// $this->message("parsing item ".var_export($item, true));
|
||||
foreach($rssContent->item as $item){
|
||||
$this->debugMessage('parsing item ' . var_export($item, true));
|
||||
$this->items[] = $this->parseRSSItem($item);
|
||||
}
|
||||
}
|
||||
|
||||
protected function RSS_2_0_time_to_timestamp($item) {
|
||||
protected function RSS_2_0_time_to_timestamp($item){
|
||||
return DateTime::createFromFormat('D, d M Y H:i:s e', $item->pubDate)->getTimestamp();
|
||||
}
|
||||
|
||||
// TODO set title, link, description, language, and so on
|
||||
protected function load_RSS_2_0_feed_data($rssContent) {
|
||||
protected function load_RSS_2_0_feed_data($rssContent){
|
||||
$this->name = trim($rssContent->title);
|
||||
$this->uri = trim($rssContent->link);
|
||||
$this->description = trim($rssContent->description);
|
||||
|
|
@ -386,9 +395,7 @@ abstract class RssExpander extends HttpCachingBridgeAbstract{
|
|||
*/
|
||||
abstract protected function parseRSSItem($item);
|
||||
|
||||
public function getDescription() {
|
||||
public function getDescription(){
|
||||
return $this->description;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue