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_content_dupcheck = $this->host->get($this, "enable_content_dupcheck"); if (version_compare(PHP_VERSION, '5.6.0', '<')) { print_error("Readability requires PHP version 5.6."); } print ""; print "

"; } function save() { $enable_readability = checkbox_to_sql_bool($_POST["enable_readability"]); $enable_content_dupcheck = checkbox_to_sql_bool($_POST["enable_content_dupcheck"]); $this->host->set($this, "enable_readability", $enable_readability, false); $this->host->set($this, "enable_content_dupcheck", $enable_content_dupcheck); echo __("Configuration saved"); } /** * @SuppressWarnings(PHPMD.UnusedFormalParameter) */ private function inline_stuff($article, &$doc, $xpath, $debug = false) { $entries = $xpath->query('(//a[@href]|//img[@src])'); $img_entries = $xpath->query("(//img[@src])"); $found = false; //$debug = 1; foreach ($entries as $entry) { if ($entry->hasAttribute("href") && strpos($entry->getAttribute("href"), "reddit.com") === FALSE) { _debug("processing href: " . $entry->getAttribute("href"), $debug); $matches = array(); if (!$found && 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); $found = 1; } } } } if (!$found && preg_match("/https?:\/\/v\.redd\.it\/(.*)$/i", $entry->getAttribute("href"), $matches)) { _debug("Handling as reddit inline video", $debug); $img = $img_entries->item(0); if ($img) { $poster_url = $img->getAttribute("src"); } else { $poster_url = false; } // Get original article URL from v.redd.it redirects $source_article_url = $this->get_location($matches[0]); _debug("Resolved ".$matches[0]." to ".$source_article_url, $debug); $source_stream = false; if ($source_article_url) { $j = json_decode(fetch_file_contents($source_article_url.".json"), true); if ($j) { foreach ($j as $listing) { foreach ($listing["data"]["children"] as $child) { if ($child["data"]["url"] == $matches[0]) { try { $source_stream = $child["data"]["media"]["reddit_video"]["fallback_url"]; } catch (Exception $e) { } break 2; } } } } } if (!$source_stream) { $source_stream = "https://v.redd.it/" . $matches[1] . "/DASH_600_K"; } $this->handle_as_video($doc, $entry, $source_stream, $poster_url); $found = 1; } if (!$found && preg_match("/https?:\/\/(www\.)?streamable.com\//i", $entry->getAttribute("href"))) { _debug("Handling as Streamable", $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,'video-player-tag')]//source[contains(@src, '.mp4')]")->item(0); $poster_node = $tmpxpath->query("//video[contains(@class,'video-player-tag') and @poster]")->item(0); if ($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); $found = true; } // wtf is this even if (!$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); $found = true; } // let's try meta properties if (!$found) { _debug("looking for meta og:image", $debug); $content = fetch_file_contents(["url" => $entry->getAttribute("href"), "http_accept" => "text/*"]); if ($content) { $cdoc = new DOMDocument(); if (@$cdoc->loadHTML($content)) { $cxpath = new DOMXPath($cdoc); $og_image = $cxpath->query("//meta[@property='og:image']")->item(0); if ($og_image) { $og_src = $og_image->getAttribute("content"); if ($og_src) { $img = $doc->createElement('img'); $img->setAttribute("src", $og_src); $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 = $content_link->getAttribute("href"); $entry_guid = $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)"; } $sth = $this->pdo->prepare("SELECT COUNT(id) AS cid FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id AND $interval_qpart AND guid != ? AND owner_uid = ? AND content LIKE ?"); $sth->execute([$entry_guid, $owner_uid, "%href=\"$content_href\">[link]%"]); if ($row = $sth->fetch()) { $num_found = $row['cid']; if ($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"] = $doc->saveHTML($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 $doc->saveHTML(); } } private function get_header($url, $useragent = SELF_USER_AGENT, $header) { $ret = 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, $useragent); @curl_exec($ch); $ret = curl_getinfo($ch, $header); } return $ret; } private function get_content_type($url, $useragent = SELF_USER_AGENT) { return $this->get_header($url, $useragent, CURLINFO_CONTENT_TYPE); } private function get_location($url, $useragent = SELF_USER_AGENT) { return $this->get_header($url, $useragent, CURLINFO_EFFECTIVE_URL); } /** * @SuppressWarnings(PHPMD.UnusedFormalParameter) */ private function readability($article, $url, $doc, $xpath, $debug = false) { if (!defined('NO_CURL') && function_exists("curl_init") && $this->host->get($this, "enable_readability") && mb_strlen(strip_tags($article["content"])) <= 150) { // do not try to embed posts linking back to other reddit posts // readability.php requires PHP 5.6 if ($url && strpos($url, "reddit.com") === FALSE && version_compare(PHP_VERSION, '5.6.0', '>=')) { /* 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(["url" => $url, "useragent" => $useragent_compat, "http_accept" => "text/html"]); if ($debug) _debug("tmplen: " . mb_strlen($tmp)); if ($tmp && mb_strlen($tmp) < 1024 * 500) { $r = new Readability(new Configuration()); try { if ($r->parse($tmp)) { $tmpxpath = new DOMXPath($r->getDOMDocument()); $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->getContent() . "

" . $article["content"]; } } catch (ParseException $e) { // } } } } } return $article; } }