true); } function init($host) { $this->host = $host; $host->add_hook($host::HOOK_ARTICLE_FILTER, $this); $host->add_hook($host::HOOK_PREFS_TAB, $this); } function hook_prefs_tab($args) { if ($args != "prefFeeds") return; print "

"; $enable_readability = $this->host->get($this, "enable_readability"); $enable_readability_checked = $enable_readability ? "checked" : ""; $enable_content_dupcheck = $this->host->get($this, "enable_content_dupcheck"); $enable_content_dupcheck_checked = $enable_content_dupcheck ? "checked" : ""; print ""; print "

"; } function save() { $enable_readability = checkbox_to_sql_bool($_POST["enable_readability"]) == "true"; $enable_content_dupcheck = checkbox_to_sql_bool($_POST["enable_content_dupcheck"]) == "true"; $this->host->set($this, "enable_readability", $enable_readability, false); $this->host->set($this, "enable_content_dupcheck", $enable_content_dupcheck); echo __("Configuration saved"); } private function inline_stuff($article, &$doc, $xpath, $debug = false) { $entries = $xpath->query('(//a[@href]|//img[@src])'); $found = false; foreach ($entries as $entry) { if ($entry->hasAttribute("href")) { _debug("processing href: " . $entry->getAttribute("href"), $debug); $matches = array(); if (preg_match("/^https?:\/\/twitter.com\/(.*?)\/status\/(.*)/", $entry->getAttribute("href"), $matches)) { _debug("handling as twitter: " . $matches[1] . " " . $matches[2], $debug); $oembed_result = fetch_file_contents("https://publish.twitter.com/oembed?url=" . urlencode($entry->getAttribute("href"))); if ($oembed_result) { $oembed_result = json_decode($oembed_result, true); if ($oembed_result && isset($oembed_result["html"])) { $tmp = new DOMDocument(); if ($tmp->loadHTML('' . $oembed_result["html"])) { $p = $doc->createElement("p"); $p->appendChild($doc->importNode( $tmp->getElementsByTagName("blockquote")->item(0), TRUE)); $br = $doc->createElement('br'); $entry->parentNode->insertBefore($p, $entry); $entry->parentNode->insertBefore($br, $entry); $found = 1; } } } } if (!$found && preg_match("/\.gfycat.com\/([a-z]+)?(\.[a-z]+)$/i", $entry->getAttribute("href"), $matches)) { $entry->setAttribute("href", "http://www.gfycat.com/".$matches[1]); } if (!$found && preg_match("/https?:\/\/(www\.)?gfycat.com\/([a-z]+)$/i", $entry->getAttribute("href"), $matches)) { _debug("Handling as Gfycat", $debug); $tmp = fetch_file_contents($entry->getAttribute("href")); if ($tmp) { $tmpdoc = new DOMDocument(); if (@$tmpdoc->loadHTML($tmp)) { $tmpxpath = new DOMXPath($tmpdoc); $source_node = $tmpxpath->query("//video[contains(@class,'share-video')]//source[contains(@src, '.mp4')]")->item(0); $poster_node = $tmpxpath->query("//video[contains(@class,'share-video') and @poster]")->item(0); if ($source_node && $poster_node) { $source_stream = $source_node->getAttribute("src"); $poster_url = $poster_node->getAttribute("poster"); $this->handle_as_video($doc, $entry, $source_stream, $poster_url); $found = 1; } } } } // imgur .gif -> .gifv if (!$found && preg_match("/i\.imgur\.com\/(.*?)\.gif$/i", $entry->getAttribute("href"))) { _debug("Handling as imgur gif (->gifv)", $debug); $entry->setAttribute("href", str_replace(".gif", ".gifv", $entry->getAttribute("href"))); } if (!$found && preg_match("/\.(gifv|mp4)$/i", $entry->getAttribute("href"))) { _debug("Handling as imgur gifv", $debug); $source_stream = str_replace(".gifv", ".mp4", $entry->getAttribute("href")); if (strpos($source_stream, "imgur.com") !== FALSE) $poster_url = str_replace(".mp4", "h.jpg", $source_stream); $this->handle_as_video($doc, $entry, $source_stream, $poster_url, $debug); $found = true; } $matches = array(); if (!$found && preg_match("/youtube\.com\/v\/([\w-]+)/", $entry->getAttribute("href"), $matches) || preg_match("/youtube\.com\/.*?[\&\?]v=([\w-]+)/", $entry->getAttribute("href"), $matches) || preg_match("/youtube\.com\/watch\?v=([\w-]+)/", $entry->getAttribute("href"), $matches) || preg_match("/\/\/youtu.be\/([\w-]+)/", $entry->getAttribute("href"), $matches)) { $vid_id = $matches[1]; _debug("Handling as youtube: $vid_id", $debug); $iframe = $doc->createElement("iframe"); $iframe->setAttribute("class", "youtube-player"); $iframe->setAttribute("type", "text/html"); $iframe->setAttribute("width", "640"); $iframe->setAttribute("height", "385"); $iframe->setAttribute("src", "https://www.youtube.com/embed/$vid_id"); $iframe->setAttribute("allowfullscreen", "1"); $iframe->setAttribute("frameborder", "0"); $br = $doc->createElement('br'); $entry->parentNode->insertBefore($iframe, $entry); $entry->parentNode->insertBefore($br, $entry); $found = true; } if (!$found && preg_match("/\.(jpg|jpeg|gif|png)(\?[0-9][0-9]*)?$/i", $entry->getAttribute("href")) || mb_strpos($entry->getAttribute("href"), "i.reddituploads.com") !== FALSE || mb_strpos($this->get_content_type($entry->getAttribute("href")), "image/") !== FALSE) { _debug("Handling as a picture", $debug); $img = $doc->createElement('img'); $img->setAttribute("src", $entry->getAttribute("href")); $br = $doc->createElement('br'); $entry->parentNode->insertBefore($img, $entry); $entry->parentNode->insertBefore($br, $entry); $found = true; } // linked albums & pages if (!$found && preg_match("/^https?:\/\/(m\.)?imgur.com\/([^\.\/]+$)/", $entry->getAttribute("href"), $matches) || preg_match("/^https?:\/\/(m\.)?imgur.com\/(a|album|gallery)\/[^\.]+$/", $entry->getAttribute("href"), $matches)) { _debug("Handling as an imgur page/album/gallery", $debug); $album_content = fetch_file_contents($entry->getAttribute("href"), false, false, false, false, 10); if ($album_content) { $adoc = new DOMDocument(); if (@$adoc->loadHTML($album_content)) { $axpath = new DOMXPath($adoc); $aentries = $axpath->query("(//div[@class='post-image']/img[@src] | //a[@class='zoom']/img[@src] | //div[@class='video-elements']/source)"); $urls = []; foreach ($aentries as $aentry) { $url = $aentry->getAttribute("src"); if (!in_array($url, $urls)) { if ($aentry->tagName == "img") { $img = $doc->createElement('img'); $img->setAttribute("src", $url); $entry->parentNode->insertBefore($doc->createElement('br'), $entry); $br = $doc->createElement('br'); $entry->parentNode->insertBefore($img, $entry); $entry->parentNode->insertBefore($br, $entry); } else if ($aentry->tagName == "source") { if (strpos($url, "imgur.com") !== FALSE) $poster_url = str_replace(".mp4", "h.jpg", $url); else $poster_url = ""; $this->handle_as_video($doc, $entry, $url, $poster_url); } array_push($urls, $url); $found = true; } } if ($debug) print_r($urls); } } } // wtf is this even if (!$found && preg_match("/^https?:\/\/gyazo\.com\/([^\.\/]+$)/", $entry->getAttribute("href"), $matches)) { $img_id = $matches[1]; _debug("handling as gyazo: $img_id", $debug); $img = $doc->createElement('img'); $img->setAttribute("src", "https://i.gyazo.com/$img_id.jpg"); $br = $doc->createElement('br'); $entry->parentNode->insertBefore($img, $entry); $entry->parentNode->insertBefore($br, $entry); $found = true; } } // remove tiny thumbnails if ($entry->hasAttribute("src")) { if ($entry->parentNode && $entry->parentNode->parentNode) { $entry->parentNode->parentNode->removeChild($entry->parentNode); } } } return $found; } function hook_article_filter($article) { if (strpos($article["link"], "reddit.com/r/") !== FALSE) { $doc = new DOMDocument(); @$doc->loadHTML($article["content"]); $xpath = new DOMXPath($doc); $content_link = $xpath->query("(//a[contains(., '[link]')])")->item(0); if ($this->host->get($this, "enable_content_dupcheck")) { if ($content_link) { $content_href = db_escape_string($content_link->getAttribute("href")); $entry_guid = db_escape_string($article["guid_hashed"]); $owner_uid = $article["owner_uid"]; if (DB_TYPE == "pgsql") { $interval_qpart = "date_entered < NOW() - INTERVAL '1 day'"; } else { $interval_qpart = "date_entered < DATE_SUB(NOW(), INTERVAL 1 DAY)"; } $result = db_query("SELECT COUNT(id) AS cid FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id AND $interval_qpart AND guid != '$entry_guid' AND owner_uid = '$owner_uid' AND content LIKE '%href=\"$content_href\">[link]%'"); if ($result) { $num_found = db_fetch_result($result, 0, "cid"); if ($num_found > 0) $article["force_catchup"] = true; } } } $found = $this->inline_stuff($article, $doc, $xpath); $node = $doc->getElementsByTagName('body')->item(0); if ($node && $found) { $article["content"] = $doc->saveXML($node); } else if ($content_link) { $article = $this->readability($article, $content_link->getAttribute("href"), $doc, $xpath); } } return $article; } function api_version() { return 2; } private function handle_as_video($doc, $entry, $source_stream, $poster_url = false, $debug = false) { _debug("handle_as_video: $source_stream", $debug); $video = $doc->createElement('video'); $video->setAttribute("autoplay", "1"); $video->setAttribute("controls", "1"); $video->setAttribute("loop", "1"); if ($poster_url) $video->setAttribute("poster", $poster_url); $source = $doc->createElement('source'); $source->setAttribute("src", $source_stream); $source->setAttribute("type", "video/mp4"); $video->appendChild($source); $br = $doc->createElement('br'); $entry->parentNode->insertBefore($video, $entry); $entry->parentNode->insertBefore($br, $entry); $img = $doc->createElement('img'); $img->setAttribute("src", "data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D"); $entry->parentNode->insertBefore($img, $entry); } function testurl() { $url = htmlspecialchars($_REQUEST["url"]); header("Content-type: text/plain"); print "URL: $url\n"; $doc = new DOMDocument(); @$doc->loadHTML("[link]"); $xpath = new DOMXPath($doc); $found = $this->inline_stuff([], $doc, $xpath, true); print "Inline result: $found\n"; if (!$found) { print "\nReadability result:\n"; $article = $this->readability([], $url, $doc, $xpath, true); print_r($article); } else { print "\nResulting HTML:\n"; print $doc->saveHTML(); } } private function get_content_type($url, $useragent = SELF_USER_AGENT) { $content_type = false; if (function_exists("curl_init") && !defined("NO_CURL")) { $ch = curl_init($url); curl_setopt($ch, CURLOPT_TIMEOUT, 5); curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); curl_setopt($ch, CURLOPT_HEADER, true); curl_setopt($ch, CURLOPT_NOBODY, true); curl_setopt($ch, CURLOPT_FOLLOWLOCATION, !ini_get("open_basedir")); curl_setopt($ch, CURLOPT_USERAGENT, $useragent); @$result = curl_exec($ch); $content_type = curl_getinfo($ch, CURLINFO_CONTENT_TYPE); } return $content_type; } private function readability($article, $url, $doc, $xpath, $debug = false) { if (!defined('NO_CURL') && function_exists("curl_init") && $this->host->get($this, "enable_readability") && mb_strlen(strip_tags($article["content"])) <= 150) { if (!class_exists("Readability")) require_once(dirname(dirname(__DIR__)). "/lib/readability/Readability.php"); if ($url && strpos($url, "twitter.com") === FALSE && strpos($url, "youtube.com") === FALSE && strpos($url, "reddit.com") === FALSE) { /* link may lead to a huge video file or whatever, we need to check content type before trying to parse it which p much requires curl */ $useragent_compat = "Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.1; WOW64; Trident/6.0)"; $content_type = $this->get_content_type($url, $useragent_compat); if ($content_type && strpos($content_type, "text/html") !== FALSE) { $tmp = fetch_file_contents(array("url" => $url, "useragent" => $useragent_compat)); if ($debug) _debug("tmplen: " . mb_strlen($tmp)); if ($tmp && mb_strlen($tmp) < 1024 * 500) { $r = new Readability($tmp, $url); if ($r->init()) { $tmpxpath = new DOMXPath($r->dom); $entries = $tmpxpath->query('(//a[@href]|//img[@src])'); foreach ($entries as $entry) { if ($entry->hasAttribute("href")) { $entry->setAttribute("href", rewrite_relative_url($url, $entry->getAttribute("href"))); } if ($entry->hasAttribute("src")) { $entry->setAttribute("src", rewrite_relative_url($url, $entry->getAttribute("src"))); } } $article["content"] = $r->articleContent->innerHTML . "

" . $article["content"]; } } } } } return $article; } } ?>