]> git.wh0rd.org - tt-rss.git/blobdiff - plugins/af_redditimgur/init.php
af_redditimgur: check gfycat content type before embedding, add generic
[tt-rss.git] / plugins / af_redditimgur / init.php
index 82e3226a7c764c848b0cbbaa1f4731d0f1da699c..be3a5108ed18c6b4b2db83dd4e2086d358f836ad 100755 (executable)
@@ -1,5 +1,10 @@
 <?php
+use andreskrey\Readability\Readability;
+use andreskrey\Readability\Configuration;
+
 class Af_RedditImgur extends Plugin {
+
+       /* @var PluginHost $host */
        private $host;
 
        function about() {
@@ -27,6 +32,10 @@ class Af_RedditImgur extends Plugin {
                $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 "<form dojoType=\"dijit.form.Form\">";
 
                print "<script type=\"dojo/method\" event=\"onSubmit\" args=\"evt\">
@@ -47,9 +56,6 @@ class Af_RedditImgur extends Plugin {
                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 "&nbsp;<label for=\"enable_readability\">" . __("Extract missing content using Readability") . "</label>";
 
@@ -82,15 +88,16 @@ class Af_RedditImgur extends Plugin {
                $img_entries = $xpath->query("(//img[@src])");
 
                $found = false;
+               //$debug = 1;
 
                foreach ($entries as $entry) {
-                       if ($entry->hasAttribute("href")) {
+                       if ($entry->hasAttribute("href") && strpos($entry->getAttribute("href"), "reddit.com") === FALSE) {
 
                                _debug("processing href: " . $entry->getAttribute("href"), $debug);
 
                                $matches = array();
 
-                               if (preg_match("/^https?:\/\/twitter.com\/(.*?)\/status\/(.*)/", $entry->getAttribute("href"), $matches)) {
+                               if (!$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")));
@@ -125,25 +132,14 @@ class Af_RedditImgur extends Plugin {
 
                                        _debug("Handling as Gfycat", $debug);
 
-                                       $tmp = fetch_file_contents($entry->getAttribute("href"));
+                                       $source_stream = 'https://giant.gfycat.com/' . $matches[2] . '.mp4';
+                                       $poster_url = 'https://thumbs.gfycat.com/' . $matches[2] . '-mobile.jpg';
 
-                                       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");
+                                       $content_type = $this->get_content_type($source_stream);
 
-                                                               $this->handle_as_video($doc, $entry, $source_stream, $poster_url);
-                                                               $found = 1;
-                                                       }
-                                               }
+                                       if (strpos($content_type, "video/") !== FALSE) {
+                                               $this->handle_as_video($doc, $entry, $source_stream, $poster_url);
+                                               $found = 1;
                                        }
                                }
 
@@ -281,79 +277,73 @@ class Af_RedditImgur extends Plugin {
                                        $found = true;
                                }
 
-                               // linked albums & pages
+                               // wtf is this even
+                               if (!$found && preg_match("/^https?:\/\/gyazo\.com\/([^\.\/]+$)/", $entry->getAttribute("href"), $matches)) {
+                                       $img_id = $matches[1];
 
-                               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 gyazo: $img_id", $debug);
+
+                                       $img = $doc->createElement('img');
+                                       $img->setAttribute("src", "https://i.gyazo.com/$img_id.jpg");
 
-                                       _debug("Handling as an imgur page/album/gallery", $debug);
+                                       $br = $doc->createElement('br');
+                                       $entry->parentNode->insertBefore($img, $entry);
+                                       $entry->parentNode->insertBefore($br, $entry);
 
-                                       $album_content = fetch_file_contents($entry->getAttribute("href"),
-                                               false, false, false, false, 10);
+                                       $found = true;
+                               }
 
-                                       if ($album_content) {
-                                               $adoc = new DOMDocument();
+                               // let's try meta properties
+                               if (!$found) {
+                                       _debug("looking for meta og:image", $debug);
 
-                                               if (@$adoc->loadHTML($album_content)) {
-                                                       $axpath = new DOMXPath($adoc);
+                                       $content = fetch_file_contents(["url" => $entry->getAttribute("href"),
+                                               "http_accept" => "text/*"]);
 
-                                                       $aentries = $axpath->query("(//div[@class='post-image']/img[@src] | //a[@class='zoom']/img[@src] | //div[@class='video-elements']/source)");
-                                                       $urls = [];
+                                       if ($content) {
+                                               $cdoc = new DOMDocument();
 
-                                                       foreach ($aentries as $aentry) {
+                                               if (@$cdoc->loadHTML($content)) {
+                                                       $cxpath = new DOMXPath($cdoc);
 
-                                                               $url = $aentry->getAttribute("src");
+                                                       $og_image = $cxpath->query("//meta[@property='og:image']")->item(0);
+                                                       $og_video = $cxpath->query("//meta[@property='og:video']")->item(0);
 
-                                                               if (!in_array($url, $urls)) {
+                                                       if ($og_video) {
 
-                                                                       if ($aentry->tagName == "img") {
+                                                               $source_stream = $og_video->getAttribute("content");
 
-                                                                               $img = $doc->createElement('img');
-                                                                               $img->setAttribute("src", $url);
-                                                                               $entry->parentNode->insertBefore($doc->createElement('br'), $entry);
+                                                               if ($source_stream) {
 
-                                                                               $br = $doc->createElement('br');
+                                                                       if ($og_image) {
+                                                                               $poster_url = $og_image->getAttribute("content");
+                                                                       } else {
+                                                                               $poster_url = false;
+                                                                       }
 
-                                                                               $entry->parentNode->insertBefore($img, $entry);
-                                                                               $entry->parentNode->insertBefore($br, $entry);
-                                                                       } else if ($aentry->tagName == "source") {
+                                                                       $this->handle_as_video($doc, $entry, $source_stream, $poster_url);
+                                                                       $found = true;
+                                                               }
 
-                                                                               if (strpos($url, "imgur.com") !== FALSE)
-                                                                                       $poster_url = str_replace(".mp4", "h.jpg", $url);
-                                                                               else
-                                                                                       $poster_url = "";
+                                                       } else if ($og_image) {
 
-                                                                               $this->handle_as_video($doc, $entry, $url, $poster_url);
+                                                               $og_src = $og_image->getAttribute("content");
 
-                                                                       }
+                                                               if ($og_src) {
+                                                                       $img = $doc->createElement('img');
+                                                                       $img->setAttribute("src", $og_src);
 
-                                                                       array_push($urls, $url);
+                                                                       $br = $doc->createElement('br');
+                                                                       $entry->parentNode->insertBefore($img, $entry);
+                                                                       $entry->parentNode->insertBefore($br, $entry);
 
                                                                        $found = true;
                                                                }
-
                                                        }
-
-                                                       if ($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
@@ -379,8 +369,8 @@ class Af_RedditImgur extends Plugin {
                        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"]);
+                                       $content_href = $content_link->getAttribute("href");
+                                       $entry_guid = $article["guid_hashed"];
                                        $owner_uid = $article["owner_uid"];
 
                                        if (DB_TYPE == "pgsql") {
@@ -389,16 +379,18 @@ class Af_RedditImgur extends Plugin {
                                                $interval_qpart = "date_entered < DATE_SUB(NOW(), INTERVAL 1 DAY)";
                                        }
 
-                                       $result = db_query("SELECT COUNT(id) AS cid
+                                       $sth = $this->pdo->prepare("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]%'");
+                                                       guid != ? AND
+                                                       owner_uid = ? AND
+                                                       content LIKE ?");
 
-                                       if ($result) {
-                                               $num_found = db_fetch_result($result, 0, "cid");
+                                       $sth->execute([$entry_guid, $owner_uid, "%href=\"$content_href\">[link]%"]);
+
+                                       if ($row = $sth->fetch()) {
+                                               $num_found = $row['cid'];
 
                                                if ($num_found > 0) $article["force_catchup"] = true;
                                        }
@@ -514,12 +506,9 @@ class Af_RedditImgur extends Plugin {
                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) {
+                       // 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 */
@@ -530,37 +519,42 @@ class Af_RedditImgur extends Plugin {
 
                                if ($content_type && strpos($content_type, "text/html") !== FALSE) {
 
-                                       $tmp = fetch_file_contents(array("url" => $url,
-                                               "useragent" => $useragent_compat));
+                                       $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) {
 
-                                               $r = new Readability($tmp, $url);
+                                               $r = new Readability(new Configuration());
 
-                                               if ($r->init()) {
+                                               try {
+                                                       if ($r->parse($tmp)) {
 
-                                                       $tmpxpath = new DOMXPath($r->dom);
+                                                               $tmpxpath = new DOMXPath($r->getDOMDocument());
 
-                                                       $entries = $tmpxpath->query('(//a[@href]|//img[@src])');
+                                                               $entries = $tmpxpath->query('(//a[@href]|//img[@src])');
 
-                                                       foreach ($entries as $entry) {
-                                                               if ($entry->hasAttribute("href")) {
-                                                                       $entry->setAttribute("href",
-                                                                               rewrite_relative_url($url, $entry->getAttribute("href")));
+                                                               foreach ($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, $entry->getAttribute("src")));
+                                                                       if ($entry->hasAttribute("src")) {
+                                                                               $entry->setAttribute("src",
+                                                                                       rewrite_relative_url($url, $entry->getAttribute("src")));
+
+                                                                       }
 
                                                                }
 
+                                                               $article["content"] = $r->getContent() . "<hr/>" . $article["content"];
                                                        }
-
-                                                       $article["content"] = $r->articleContent->innerHTML . "<hr/>" . $article["content"];
+                                               } catch (Exception $e) {
+                                                       //
                                                }
                                        }
                                }