<?php class Af_RedditImgur extends Plugin { private $host; function about() { return array(1.0, "Inline images (and other content) in Reddit RSS feeds", "fox"); } function init($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" : ""; 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 "<h3>" . __("Global settings") . "</h3>"; print_notice("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 "<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"; $this->host->set($this, "enable_readability", $enable_readability); echo __("Configuration saved"); } private function inline_stuff($article, &$doc, $xpath) { $entries = $xpath->query('(//a[@href]|//img[@src])'); $found = false; foreach ($entries as $entry) { if ($entry->hasAttribute("href")) { $matches = array(); if (preg_match("/\.gfycat.com\/([a-z]+)?(\.[a-z]+)$/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)) { $tmp = fetch_file_contents($entry->getAttribute("href")); if ($tmp) { $tmpdoc = new DOMDocument(); @$tmpdoc->loadHTML($tmp); if ($tmpdoc) { $tmpxpath = new DOMXPath($tmpdoc); $source_meta = $tmpxpath->query("//meta[@property='og:video']")->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"))) { $entry->setAttribute("href", str_replace(".gif", ".gifv", $entry->getAttribute("href"))); } if (preg_match("/\.(gifv)$/i", $entry->getAttribute("href"))) { $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); $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]; $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"))) { $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"), $matches) || preg_match("/^https?:\/\/imgur.com\/(a|album|gallery)\/[^\.]+$/", $entry->getAttribute("href"), $matches)) { $album_content = fetch_file_contents($entry->getAttribute("href"), false, false, false, false, 10); if ($album_content) { $adoc = new DOMDocument(); @$adoc->loadHTML($album_content); if ($adoc) { $axpath = new DOMXPath($adoc); $aentries = $axpath->query("//meta[@property='og:image']"); $urls = array(); foreach ($aentries as $aentry) { if (!in_array($aentry->getAttribute("content"), $urls)) { $img = $doc->createElement('img'); $img->setAttribute("src", str_replace("?fb", "", $aentry->getAttribute("content"))); $entry->parentNode->insertBefore($doc->createElement('br'), $entry); $br = $doc->createElement('br'); $entry->parentNode->insertBefore($img, $entry); $entry->parentNode->insertBefore($br, $entry); array_push($urls, $aentry->getAttribute("content")); $found = true; } } } } } } // remove tiny thumbnails if ($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); $found = $this->inline_stuff($article, $doc, $xpath); if (function_exists("curl_init") && !$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"); $content_link = $xpath->query("(//a[contains(., '[link]')])")->item(0); if ($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($ch, CURLOPT_FOLLOWLOCATION, !ini_get("safe_mode") && !ini_get("open_basedir")); curl_setopt($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")); if ($tmp) { $r = new Readability($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) { $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); } } ?>