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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 id=\"af_redditimgur_prefs\" dojoType=\"dijit.layout.AccordionPane\" title=\"".__('af_redditimgur settings')."\">";
- $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 "<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 "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\" name=\"op\" value=\"pluginhandler\">";
- print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\" name=\"method\" value=\"save\">";
- print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\" name=\"plugin\" value=\"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 "<input dojoType=\"dijit.form.CheckBox\" id=\"enable_readability\"
- $enable_readability_checked name=\"enable_readability\"> ";
- print "<label for=\"enable_readability\">" . __("Extract missing content using Readability") . "</label>";
- print "<br/>";
-
- print "<input dojoType=\"dijit.form.CheckBox\" id=\"enable_content_dupcheck\"
- $enable_content_dupcheck_checked name=\"enable_content_dupcheck\"> ";
- print "<label for=\"enable_content_dupcheck\">" . __("Enable additional duplicate checking") . "</label>";
- print "<p><button dojoType=\"dijit.form.Button\" type=\"submit\">".
- __("Save")."</button>";
- 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", $enable_content_dupcheck);
- echo __("Configuration saved");
- }
- private function inline_stuff($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);
- $matches = array();
- if (preg_match("/\.gfycat.com\/([a-z]+)?(\.[a-z]+)$/i", $entry->getAttribute("href"), $matches)) {
- $entry->setAttribute("href", "http://www.gfycat.com/".$matches[1]);
- }
- if (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_meta = $tmpxpath->query("//meta[@name='twitter:player:stream' and contains(@content, '.mp4')]")->item(0);
- $poster_meta = $tmpxpath->query("//meta[@property='og:image' and contains(@content,'thumbs.gfycat.com')]")->item(0);
- if ($source_meta) {
- $source_stream = $source_meta->getAttribute("content");
- $poster_url = false;
- if ($source_stream) {
- if ($poster_meta)
- $poster_url = $poster_meta->getAttribute("content");
- $this->handle_as_video($doc, $entry, $source_stream, $poster_url);
- $found = 1;
- }
- }
- }
- }
- }
- // imgur .gif -> .gifv
- if (preg_match("/i\.imgur\.com\/(.*?)\.gif$/i", $entry->getAttribute("href"))) {
- _debug("Handling as imgur gif (->gifv)", $debug);
- $entry->setAttribute("href",
- str_replace(".gif", ".gifv", $entry->getAttribute("href")));
- }
- if (preg_match("/\.(gifv)$/i", $entry->getAttribute("href"))) {
- _debug("Handling as imgur gifv", $debug);
- $source_stream = str_replace(".gifv", ".mp4", $entry->getAttribute("href"));
- if (strpos($source_stream, "i.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 (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);
- $found = true;
- }
- if (preg_match("/\.(jpg|jpeg|gif|png)(\?[0-9][0-9]*)?$/i", $entry->getAttribute("href"))) {
- _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);
- $found = true;
- }
- // linked albums & pages
- if (preg_match("/^https?:\/\/(m\.)?imgur.com\/([^\.\/]+$)/", $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("//meta[@property='og:image']");
- $urls = array();
- foreach ($aentries as $aentry) {
- _debug("og:image content=" . $aentry->getAttribute("content"), $debug);
- $url = str_replace("?fb", "", $aentry->getAttribute("content"));
- $check_url = basename($url);
- $check_url = mb_substr($check_url, 0, strrpos($check_url, "."));
- if (!in_array($check_url, $urls)) {
- $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, $entry);
- array_push($urls, $check_url);
- $found = true;
- }
- } */
- //if ($debug) print_r($album_content);
- $aentries = $axpath->query("(//div[@class='post-image']/img[@src] | //a[@class='zoom']/img[@src])");
- $urls = [];
- foreach ($aentries as $aentry) {
- $url = $aentry->getAttribute("src");
- if (!in_array($url, $urls)) {
- $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, $entry);
- array_push($urls, $url);
- $found = true;
- }
- }
- if ($debug) print_r($urls);
- }
- }
- }
- // wtf is this even
- if (preg_match("/^https?:\/\/gyazo\.com\/([^\.\/]+$)/", $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);
- if ($this->host->get($this, "enable_content_dupcheck")) {
- $content_link = $xpath->query("(//a[contains(., '[link]')])")->item(0);
- if ($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, $xpath);
- if (!defined('NO_CURL') && function_exists("curl_init") && !$found && $this->host->get($this, "enable_readability") &&
- mb_strlen(strip_tags($article["content"])) <= 150) {
- if (!class_exists("Readability")) require_once(dirname(dirname(__DIR__)). "/lib/readability/Readability.php");
- if ($content_link &&
- strpos($content_link->getAttribute("href"), "twitter.com") === FALSE &&
- strpos($content_link->getAttribute("href"), "youtube.com") === FALSE &&
- strpos($content_link->getAttribute("href"), "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 */
- $ch = curl_init($content_link->getAttribute("href"));
- 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, SELF_USER_AGENT);
- @$result = curl_exec($ch);
- $content_type = curl_getinfo($ch, CURLINFO_CONTENT_TYPE);
- if ($content_type && strpos($content_type, "text/html") !== FALSE) {
- $tmp = fetch_file_contents($content_link->getAttribute("href"));
- //_debug("tmplen: " . mb_strlen($tmp));
- if ($tmp && mb_strlen($tmp) < 65535 * 4) {
- $r = new Readability($tmp, $content_link->getAttribute("href"));
- if ($r->init()) {
- $tmpxpath = new DOMXPath($r->dom);
- $entries = $tmpxpath->query('(//a[@href]|//img[@src])');
- foreach ($entries as $entry) {
- if ($entry->hasAttribute("href")) {
- $entry->setAttribute("href",
- rewrite_relative_url($content_link->getAttribute("href"), $entry->getAttribute("href")));
- }
- if ($entry->hasAttribute("src")) {
- $entry->setAttribute("src",
- rewrite_relative_url($content_link->getAttribute("href"), $entry->getAttribute("src")));
- }
- }
- $article["content"] = $r->articleContent->innerHTML . "<hr/>" . $article["content"];
- // prob not a very good idea (breaks wikipedia pages, etc) -
- // inliner currently is not really fit for any random web content
- //$doc = new DOMDocument();
- //@$doc->loadHTML($article["content"]);
- //$xpath = new DOMXPath($doc);
- //$found = $this->inline_stuff($article, $doc, $xpath);
- }
- }
- }
- }
- }
- $node = $doc->getElementsByTagName('body')->item(0);
- if ($node && $found) {
- $article["content"] = $doc->saveXML($node);
- }
- }
- 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);
- print "Inline result: " . $this->inline_stuff([], $doc, $xpath, true) . "\n";
- print "\nResulting HTML:\n";
- print $doc->saveHTML();
- }
- }
- ?>
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