2 use andreskrey\Readability\Readability
;
3 use andreskrey\Readability\Configuration
;
5 class Af_RedditImgur
extends Plugin
{
7 /* @var PluginHost $host */
12 "Inline images (and other content) in Reddit RSS feeds",
17 return array("needs_curl" => true);
20 function init($host) {
23 $host->add_hook($host::HOOK_ARTICLE_FILTER
, $this);
24 $host->add_hook($host::HOOK_PREFS_TAB
, $this);
27 function hook_prefs_tab($args) {
28 if ($args != "prefFeeds") return;
30 print "<div dojoType=\"dijit.layout.AccordionPane\" title=\"".__('Reddit content settings (af_redditimgur)')."\">";
32 $enable_readability = $this->host
->get($this, "enable_readability");
33 $enable_content_dupcheck = $this->host
->get($this, "enable_content_dupcheck");
35 if (version_compare(PHP_VERSION
, '5.6.0', '<')) {
36 print_error("Readability requires PHP version 5.6.");
39 print "<form dojoType=\"dijit.form.Form\">";
41 print "<script type=\"dojo/method\" event=\"onSubmit\" args=\"evt\">
43 if (this.validate()) {
44 console.log(dojo.objectToQuery(this.getValues()));
45 new Ajax.Request('backend.php', {
46 parameters: dojo.objectToQuery(this.getValues()),
47 onComplete: function(transport) {
48 notify_info(transport.responseText);
55 print_hidden("op", "pluginhandler");
56 print_hidden("method", "save");
57 print_hidden("plugin", "af_redditimgur");
59 print_checkbox("enable_readability", $enable_readability);
60 print " <label for=\"enable_readability\">" . __("Extract missing content using Readability") . "</label>";
64 print_checkbox("enable_content_dupcheck", $enable_content_dupcheck);
65 print " <label for=\"enable_content_dupcheck\">" . __("Enable additional duplicate checking") . "</label>";
66 print "<p>"; print_button("submit", __("Save"));
73 $enable_readability = checkbox_to_sql_bool($_POST["enable_readability"]);
74 $enable_content_dupcheck = checkbox_to_sql_bool($_POST["enable_content_dupcheck"]);
76 $this->host
->set($this, "enable_readability", $enable_readability, false);
77 $this->host
->set($this, "enable_content_dupcheck", $enable_content_dupcheck);
79 echo __("Configuration saved");
83 * @SuppressWarnings(PHPMD.UnusedFormalParameter)
85 private function inline_stuff($article, &$doc, $xpath) {
87 $entries = $xpath->query('(//a[@href]|//img[@src])');
88 $img_entries = $xpath->query("(//img[@src])");
93 foreach ($entries as $entry) {
94 if ($entry->hasAttribute("href") && strpos($entry->getAttribute("href"), "reddit.com") === FALSE) {
96 Debug
::log("processing href: " . $entry->getAttribute("href"), Debug
::$LOG_VERBOSE);
100 if (!$found && preg_match("/^https?:\/\/twitter.com\/(.*?)\/status\/(.*)/", $entry->getAttribute("href"), $matches)) {
101 Debug
::log("handling as twitter: " . $matches[1] . " " . $matches[2], Debug
::$LOG_VERBOSE);
103 $oembed_result = fetch_file_contents("https://publish.twitter.com/oembed?url=" . urlencode($entry->getAttribute("href")));
105 if ($oembed_result) {
106 $oembed_result = json_decode($oembed_result, true);
108 if ($oembed_result && isset($oembed_result["html"])) {
110 $tmp = new DOMDocument();
111 if ($tmp->loadHTML('<?xml encoding="utf-8" ?>' . $oembed_result["html"])) {
112 $p = $doc->createElement("p");
114 $p->appendChild($doc->importNode(
115 $tmp->getElementsByTagName("blockquote")->item(0), TRUE));
117 $br = $doc->createElement('br');
118 $entry->parentNode
->insertBefore($p, $entry);
119 $entry->parentNode
->insertBefore($br, $entry);
127 if (!$found && preg_match("/\.gfycat.com\/([a-z]+)?(\.[a-z]+)$/i", $entry->getAttribute("href"), $matches)) {
128 $entry->setAttribute("href", "http://www.gfycat.com/".$matches[1]);
131 if (!$found && preg_match("/https?:\/\/(www\.)?gfycat.com\/([a-z]+)$/i", $entry->getAttribute("href"), $matches)) {
133 Debug
::log("Handling as Gfycat", Debug
::$LOG_VERBOSE);
135 $source_stream = 'https://giant.gfycat.com/' . $matches[2] . '.mp4';
136 $poster_url = 'https://thumbs.gfycat.com/' . $matches[2] . '-mobile.jpg';
138 $content_type = $this->get_content_type($source_stream);
140 if (strpos($content_type, "video/") !== FALSE) {
141 $this->handle_as_video($doc, $entry, $source_stream, $poster_url);
146 if (!$found && preg_match("/https?:\/\/v\.redd\.it\/(.*)$/i", $entry->getAttribute("href"), $matches)) {
148 Debug
::log("Handling as reddit inline video", Debug
::$LOG_VERBOSE);
150 $img = $img_entries->item(0);
153 $poster_url = $img->getAttribute("src");
158 // Get original article URL from v.redd.it redirects
159 $source_article_url = $this->get_location($matches[0]);
160 Debug
::log("Resolved ".$matches[0]." to ".$source_article_url, Debug
::$LOG_VERBOSE);
162 $source_stream = false;
164 if ($source_article_url) {
165 $j = json_decode(fetch_file_contents($source_article_url.".json"), true);
168 foreach ($j as $listing) {
169 foreach ($listing["data"]["children"] as $child) {
170 if ($child["data"]["url"] == $matches[0]) {
172 $source_stream = $child["data"]["media"]["reddit_video"]["fallback_url"];
174 catch (Exception
$e) {
183 if (!$source_stream) {
184 $source_stream = "https://v.redd.it/" . $matches[1] . "/DASH_600_K";
187 $this->handle_as_video($doc, $entry, $source_stream, $poster_url);
191 if (!$found && preg_match("/https?:\/\/(www\.)?streamable.com\//i", $entry->getAttribute("href"))) {
193 Debug
::log("Handling as Streamable", Debug
::$LOG_VERBOSE);
195 $tmp = fetch_file_contents($entry->getAttribute("href"));
198 $tmpdoc = new DOMDocument();
200 if (@$tmpdoc->loadHTML($tmp)) {
201 $tmpxpath = new DOMXPath($tmpdoc);
203 $source_node = $tmpxpath->query("//video[contains(@class,'video-player-tag')]//source[contains(@src, '.mp4')]")->item(0);
204 $poster_node = $tmpxpath->query("//video[contains(@class,'video-player-tag') and @poster]")->item(0);
206 if ($source_node && $poster_node) {
207 $source_stream = $source_node->getAttribute("src");
208 $poster_url = $poster_node->getAttribute("poster");
210 $this->handle_as_video($doc, $entry, $source_stream, $poster_url);
217 // imgur .gif -> .gifv
218 if (!$found && preg_match("/i\.imgur\.com\/(.*?)\.gif$/i", $entry->getAttribute("href"))) {
219 Debug
::log("Handling as imgur gif (->gifv)", Debug
::$LOG_VERBOSE);
221 $entry->setAttribute("href",
222 str_replace(".gif", ".gifv", $entry->getAttribute("href")));
225 if (!$found && preg_match("/\.(gifv|mp4)$/i", $entry->getAttribute("href"))) {
226 Debug
::log("Handling as imgur gifv", Debug
::$LOG_VERBOSE);
228 $source_stream = str_replace(".gifv", ".mp4", $entry->getAttribute("href"));
230 if (strpos($source_stream, "imgur.com") !== FALSE)
231 $poster_url = str_replace(".mp4", "h.jpg", $source_stream);
233 $this->handle_as_video($doc, $entry, $source_stream, $poster_url);
239 if (!$found && preg_match("/youtube\.com\/v\/([\w-]+)/", $entry->getAttribute("href"), $matches) ||
240 preg_match("/youtube\.com\/.*?[\&\?]v=([\w-]+)/", $entry->getAttribute("href"), $matches) ||
241 preg_match("/youtube\.com\/watch\?v=([\w-]+)/", $entry->getAttribute("href"), $matches) ||
242 preg_match("/\/\/youtu.be\/([\w-]+)/", $entry->getAttribute("href"), $matches)) {
244 $vid_id = $matches[1];
246 Debug
::log("Handling as youtube: $vid_id", Debug
::$LOG_VERBOSE);
248 $iframe = $doc->createElement("iframe");
249 $iframe->setAttribute("class", "youtube-player");
250 $iframe->setAttribute("type", "text/html");
251 $iframe->setAttribute("width", "640");
252 $iframe->setAttribute("height", "385");
253 $iframe->setAttribute("src", "https://www.youtube.com/embed/$vid_id");
254 $iframe->setAttribute("allowfullscreen", "1");
255 $iframe->setAttribute("frameborder", "0");
257 $br = $doc->createElement('br');
258 $entry->parentNode
->insertBefore($iframe, $entry);
259 $entry->parentNode
->insertBefore($br, $entry);
264 if (!$found && preg_match("/\.(jpg|jpeg|gif|png)(\?[0-9][0-9]*)?$/i", $entry->getAttribute("href")) ||
265 mb_strpos($entry->getAttribute("href"), "i.reddituploads.com") !== FALSE ||
266 mb_strpos($this->get_content_type($entry->getAttribute("href")), "image/") !== FALSE) {
268 Debug
::log("Handling as a picture", Debug
::$LOG_VERBOSE);
270 $img = $doc->createElement('img');
271 $img->setAttribute("src", $entry->getAttribute("href"));
273 $br = $doc->createElement('br');
274 $entry->parentNode
->insertBefore($img, $entry);
275 $entry->parentNode
->insertBefore($br, $entry);
281 if (!$found && preg_match("/^https?:\/\/gyazo\.com\/([^\.\/]+$)/", $entry->getAttribute("href"), $matches)) {
282 $img_id = $matches[1];
284 Debug
::log("handling as gyazo: $img_id", Debug
::$LOG_VERBOSE);
286 $img = $doc->createElement('img');
287 $img->setAttribute("src", "https://i.gyazo.com/$img_id.jpg");
289 $br = $doc->createElement('br');
290 $entry->parentNode
->insertBefore($img, $entry);
291 $entry->parentNode
->insertBefore($br, $entry);
296 // let's try meta properties
298 Debug
::log("looking for meta og:image", Debug
::$LOG_VERBOSE);
300 $content = fetch_file_contents(["url" => $entry->getAttribute("href"),
301 "http_accept" => "text/*"]);
304 $cdoc = new DOMDocument();
306 if (@$cdoc->loadHTML($content)) {
307 $cxpath = new DOMXPath($cdoc);
309 $og_image = $cxpath->query("//meta[@property='og:image']")->item(0);
310 $og_video = $cxpath->query("//meta[@property='og:video']")->item(0);
314 $source_stream = $og_video->getAttribute("content");
316 if ($source_stream) {
319 $poster_url = $og_image->getAttribute("content");
324 $this->handle_as_video($doc, $entry, $source_stream, $poster_url);
328 } else if ($og_image) {
330 $og_src = $og_image->getAttribute("content");
333 $img = $doc->createElement('img');
334 $img->setAttribute("src", $og_src);
336 $br = $doc->createElement('br');
337 $entry->parentNode
->insertBefore($img, $entry);
338 $entry->parentNode
->insertBefore($br, $entry);
349 // remove tiny thumbnails
350 if ($entry->hasAttribute("src")) {
351 if ($entry->parentNode
&& $entry->parentNode
->parentNode
) {
352 $entry->parentNode
->parentNode
->removeChild($entry->parentNode
);
360 function hook_article_filter($article) {
362 if (strpos($article["link"], "reddit.com/r/") !== FALSE) {
363 $doc = new DOMDocument();
364 @$doc->loadHTML($article["content"]);
365 $xpath = new DOMXPath($doc);
367 $content_link = $xpath->query("(//a[contains(., '[link]')])")->item(0);
369 if ($this->host
->get($this, "enable_content_dupcheck")) {
372 $content_href = $content_link->getAttribute("href");
373 $entry_guid = $article["guid_hashed"];
374 $owner_uid = $article["owner_uid"];
376 if (DB_TYPE
== "pgsql") {
377 $interval_qpart = "date_entered < NOW() - INTERVAL '1 day'";
379 $interval_qpart = "date_entered < DATE_SUB(NOW(), INTERVAL 1 DAY)";
382 $sth = $this->pdo
->prepare("SELECT COUNT(id) AS cid
383 FROM ttrss_entries, ttrss_user_entries WHERE
390 $sth->execute([$entry_guid, $owner_uid, "%href=\"$content_href\">[link]%"]);
392 if ($row = $sth->fetch()) {
393 $num_found = $row['cid'];
395 if ($num_found > 0) $article["force_catchup"] = true;
400 $found = $this->inline_stuff($article, $doc, $xpath);
402 $node = $doc->getElementsByTagName('body')->item(0);
404 if ($node && $found) {
405 $article["content"] = $doc->saveHTML($node);
406 } else if ($content_link) {
407 $article = $this->readability($article, $content_link->getAttribute("href"), $doc, $xpath);
414 function api_version() {
418 private function handle_as_video($doc, $entry, $source_stream, $poster_url = false) {
420 Debug
::log("handle_as_video: $source_stream", Debug
::$LOG_VERBOSE);
422 $video = $doc->createElement('video');
423 $video->setAttribute("autoplay", "1");
424 $video->setAttribute("controls", "1");
425 $video->setAttribute("loop", "1");
427 if ($poster_url) $video->setAttribute("poster", $poster_url);
429 $source = $doc->createElement('source');
430 $source->setAttribute("src", $source_stream);
431 $source->setAttribute("type", "video/mp4");
433 $video->appendChild($source);
435 $br = $doc->createElement('br');
436 $entry->parentNode
->insertBefore($video, $entry);
437 $entry->parentNode
->insertBefore($br, $entry);
439 $img = $doc->createElement('img');
440 $img->setAttribute("src",
441 "data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D");
443 $entry->parentNode
->insertBefore($img, $entry);
447 $url = htmlspecialchars($_REQUEST["url"]);
449 header("Content-type: text/plain");
453 $doc = new DOMDocument();
454 @$doc->loadHTML("<html><body><a href=\"$url\">[link]</a></body>");
455 $xpath = new DOMXPath($doc);
457 $found = $this->inline_stuff([], $doc, $xpath);
459 print "Inline result: $found\n";
462 print "\nReadability result:\n";
464 $article = $this->readability([], $url, $doc, $xpath);
468 print "\nResulting HTML:\n";
470 print $doc->saveHTML();
474 private function get_header($url, $useragent = SELF_USER_AGENT
, $header) {
477 if (function_exists("curl_init") && !defined("NO_CURL")) {
478 $ch = curl_init($url);
479 curl_setopt($ch, CURLOPT_TIMEOUT
, 5);
480 curl_setopt($ch, CURLOPT_RETURNTRANSFER
, 1);
481 curl_setopt($ch, CURLOPT_HEADER
, true);
482 curl_setopt($ch, CURLOPT_NOBODY
, true);
483 curl_setopt($ch, CURLOPT_FOLLOWLOCATION
, !ini_get("open_basedir"));
484 curl_setopt($ch, CURLOPT_USERAGENT
, $useragent);
487 $ret = curl_getinfo($ch, $header);
493 private function get_content_type($url, $useragent = SELF_USER_AGENT
) {
494 return $this->get_header($url, $useragent, CURLINFO_CONTENT_TYPE
);
497 private function get_location($url, $useragent = SELF_USER_AGENT
) {
498 return $this->get_header($url, $useragent, CURLINFO_EFFECTIVE_URL
);
502 * @SuppressWarnings(PHPMD.UnusedFormalParameter)
504 private function readability($article, $url, $doc, $xpath, $debug = false) {
506 if (!defined('NO_CURL') && function_exists("curl_init") && $this->host
->get($this, "enable_readability") &&
507 mb_strlen(strip_tags($article["content"])) <= 150) {
509 // do not try to embed posts linking back to other reddit posts
510 // readability.php requires PHP 5.6
511 if ($url && strpos($url, "reddit.com") === FALSE && version_compare(PHP_VERSION
, '5.6.0', '>=')) {
513 /* link may lead to a huge video file or whatever, we need to check content type before trying to
514 parse it which p much requires curl */
516 $useragent_compat = "Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.1; WOW64; Trident/6.0)";
518 $content_type = $this->get_content_type($url, $useragent_compat);
520 if ($content_type && strpos($content_type, "text/html") !== FALSE) {
522 $tmp = fetch_file_contents(["url" => $url,
523 "useragent" => $useragent_compat,
524 "http_accept" => "text/html"]);
526 Debug
::log("tmplen: " . mb_strlen($tmp), Debug
::$LOG_VERBOSE);
528 if ($tmp && mb_strlen($tmp) < 1024 * 500) {
530 $r = new Readability(new Configuration());
533 if ($r->parse($tmp)) {
535 $tmpxpath = new DOMXPath($r->getDOMDocument());
537 $entries = $tmpxpath->query('(//a[@href]|//img[@src])');
539 foreach ($entries as $entry) {
540 if ($entry->hasAttribute("href")) {
541 $entry->setAttribute("href",
542 rewrite_relative_url($url, $entry->getAttribute("href")));
546 if ($entry->hasAttribute("src")) {
547 $entry->setAttribute("src",
548 rewrite_relative_url($url, $entry->getAttribute("src")));
554 $article["content"] = $r->getContent() . "<hr/>" . $article["content"];
556 } catch (Exception
$e) {