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<?php
class Af_RedditImgur extends Plugin {
private $host;
function about() {
return array(1.0,
"Inline image links in Reddit RSS feeds",
"fox");
}
function init($host) {
$this->host = $host;
$host->add_hook($host::HOOK_ARTICLE_FILTER, $this);
}
function hook_article_filter($article) {
if (strpos($article["link"], "reddit.com/r/") !== FALSE) {
$doc = new DOMDocument();
@$doc->loadHTML($article["content"]);
if ($doc) {
$xpath = new DOMXPath($doc);
$entries = $xpath->query('(//a[@href]|//img[@src])');
$found = false;
foreach ($entries as $entry) {
if ($entry->hasAttribute("href")) {
$matches = array();
if (preg_match("/https?:\/\/gfycat.com\/([a-z]+)$/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 = $tmpxpath->query("//meta[@property='og:video']")->item(0);
if ($source_meta) {
$source_stream = $source_meta->getAttribute("content");
if ($source_stream) {
$this->handle_as_video($doc, $entry, $source_stream);
$found = 1;
}
}
}
}
}
if (preg_match("/\.(gifv)$/i", $entry->getAttribute("href"))) {
/*$video = $doc->createElement('video');
$video->setAttribute("autoplay", "1");
$video->setAttribute("loop", "1");
$source = $doc->createElement('source');
$source->setAttribute("src", str_replace(".gifv", ".mp4", $entry->getAttribute("href")));
$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);*/
$source_stream = str_replace(".gifv", ".mp4", $entry->getAttribute("href"));
$this->handle_as_video($doc, $entry, $source_stream);
$found = true;
}
if (preg_match("/\.(jpg|jpeg|gif|png)(\?[0-9][0-9]*)?$/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;
}
// links to imgur pages
$matches = array();
if (preg_match("/^https?:\/\/(m\.)?imgur.com\/([^\.\/]+$)/", $entry->getAttribute("href"), $matches)) {
$token = $matches[2];
$album_content = fetch_file_contents($entry->getAttribute("href"),
false, false, false, false, 10);
if ($album_content && $token) {
$adoc = new DOMDocument();
@$adoc->loadHTML($album_content);
if ($adoc) {
$axpath = new DOMXPath($adoc);
$aentries = $axpath->query('(//img[@src])');
foreach ($aentries as $aentry) {
if (preg_match("/\/\/i.imgur.com\/$token\./", $aentry->getAttribute("src"))) {
$img = $doc->createElement('img');
$img->setAttribute("src", $aentry->getAttribute("src"));
$br = $doc->createElement('br');
$entry->parentNode->insertBefore($img, $entry);
$entry->parentNode->insertBefore($br, $entry);
$found = true;
break;
}
}
}
}
}
// linked albums, ffs
if (preg_match("/^https?:\/\/imgur.com\/(a|album|gallery)\/[^\.]+$/", $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", $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);
}
}
}
$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) {
$video = $doc->createElement('video');
$video->setAttribute("autoplay", "1");
$video->setAttribute("controls", "1");
$video->setAttribute("loop", "1");
$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);
}
}
?>
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