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- <?php
- class Af_RedditImgur extends Plugin {
- private $host;
- function about() {
- return array(1.0,
- "Inline images (and other content) in Reddit RSS feeds",
- "fox");
- }
- function flags() {
- return array("needs_curl" => true);
- }
- function init($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 "<div dojoType=\"dijit.layout.AccordionPane\" title=\"".__('Reddit content settings (af_redditimgur)')."\">";
- $enable_readability = $this->host->get($this, "enable_readability");
- $enable_content_dupcheck = $this->host->get($this, "enable_content_dupcheck");
- print "<form dojoType=\"dijit.form.Form\">";
- print "<script type=\"dojo/method\" event=\"onSubmit\" args=\"evt\">
- evt.preventDefault();
- if (this.validate()) {
- console.log(dojo.objectToQuery(this.getValues()));
- new Ajax.Request('backend.php', {
- parameters: dojo.objectToQuery(this.getValues()),
- onComplete: function(transport) {
- notify_info(transport.responseText);
- }
- });
- //this.reset();
- }
- </script>";
- print_hidden("op", "pluginhandler");
- print_hidden("method", "save");
- print_hidden("plugin", "af_redditimgur");
- print "<p>" . __("Uses Readability (full-text-rss) implementation by <a target='_blank' href='https://bitbucket.org/fivefilters/'>FiveFilters.org</a>");
- print "<p/>";
- print_checkbox("enable_readability", $enable_readability);
- print " <label for=\"enable_readability\">" . __("Extract missing content using Readability") . "</label>";
- print "<br/>";
- print_checkbox("enable_content_dupcheck", $enable_content_dupcheck);
- print " <label for=\"enable_content_dupcheck\">" . __("Enable additional duplicate checking") . "</label>";
- print "<p>"; print_button("submit", __("Save"));
- print "</form>";
- print "</div>";
- }
- 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", $enable_content_dupcheck);
- echo __("Configuration saved");
- }
- /**
- * @SuppressWarnings(PHPMD.UnusedFormalParameter)
- */
- private function inline_stuff($article, &$doc, $xpath, $debug = false) {
- $entries = $xpath->query('(//a[@href]|//img[@src])');
- $img_entries = $xpath->query("(//img[@src])");
- $found = false;
- foreach ($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('<?xml encoding="utf-8" ?>' . $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);
- $found = true;
- }
- // linked albums & pages
- if (!$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"] = $doc->saveHTML($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("<html><body><a href=\"$url\">[link]</a></body>");
- $xpath = new DOMXPath($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($article["content"])) <= 150) {
- if (!class_exists("Readability")) require_once(dirname(dirname(__DIR__)). "/lib/readability/Readability.php");
- if ($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 . "<hr/>" . $article["content"];
- }
- }
- }
- }
- }
- return $article;
- }
- }
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