185 lines
7.7 KiB
PHP
185 lines
7.7 KiB
PHP
<?php
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class Af_RedditImgur extends Plugin {
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private $host;
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function about() {
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return array(1.0,
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"Inline image links in Reddit RSS feeds",
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"fox");
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}
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function init($host) {
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$this->host = $host;
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$host->add_hook($host::HOOK_ARTICLE_FILTER, $this);
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}
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function hook_article_filter($article) {
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if (strpos($article["link"], "reddit.com/r/") !== FALSE) {
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$doc = new DOMDocument();
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@$doc->loadHTML($article["content"]);
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if ($doc) {
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$xpath = new DOMXPath($doc);
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$entries = $xpath->query('(//a[@href]|//img[@src])');
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$found = false;
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foreach ($entries as $entry) {
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if ($entry->hasAttribute("href")) {
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if (preg_match("/\.(gifv)$/i", $entry->getAttribute("href"))) {
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$gifv_meta = fetch_file_contents($entry->getAttribute("href"),
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false, false, false, false, 10);
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if ($gifv_meta) {
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$adoc = new DOMDocument();
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@$adoc->loadHTML($gifv_meta);
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if ($adoc) {
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$axpath = new DOMXPath($adoc);
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$aentries = $axpath->query('(//meta)');
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$width = false;
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$height = false;
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foreach ($aentries as $aentry) {
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if (strpos($aentry->getAttribute("property"), "og:image:width") !== FALSE) {
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$width = $aentry->getAttribute("content");
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}
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if (strpos($aentry->getAttribute("property"), "og:image:height") !== FALSE) {
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$height = $aentry->getAttribute("content");
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}
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}
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}
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}
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if ($width && $height) {
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$iframe = $doc->createElement('iframe');
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$iframe->setAttribute("src", str_replace("http:", "", $entry->getAttribute("href")));
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$iframe->setAttribute("frameborder", "0");
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$iframe->setAttribute("width", $width);
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$iframe->setAttribute("height", $height);
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$br = $doc->createElement('br');
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$entry->parentNode->insertBefore($iframe, $entry);
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$entry->parentNode->insertBefore($br, $entry);
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// add empty img tag to disable display of attachment
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$img = $doc->createElement('img');
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$img->setAttribute("src", "data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D");
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$img->setAttribute("width", "0");
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$img->setAttribute("height", "0");
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$entry->parentNode->insertBefore($img, $entry);
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$found = true;
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}
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}
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if (preg_match("/\.(jpg|jpeg|gif|png)(\?[0-9])?$/i", $entry->getAttribute("href"))) {
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$img = $doc->createElement('img');
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$img->setAttribute("src", $entry->getAttribute("href"));
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$br = $doc->createElement('br');
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$entry->parentNode->insertBefore($img, $entry);
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$entry->parentNode->insertBefore($br, $entry);
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$found = true;
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}
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// links to imgur pages
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$matches = array();
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if (preg_match("/^https?:\/\/(m\.)?imgur.com\/([^\.\/]+$)/", $entry->getAttribute("href"), $matches)) {
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$token = $matches[1];
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$album_content = fetch_file_contents($entry->getAttribute("href"),
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false, false, false, false, 10);
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if ($album_content && $token) {
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$adoc = new DOMDocument();
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@$adoc->loadHTML($album_content);
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if ($adoc) {
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$axpath = new DOMXPath($adoc);
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$aentries = $axpath->query('(//img[@src])');
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foreach ($aentries as $aentry) {
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if (preg_match("/\/\/i.imgur.com\/$token\./", $aentry->getAttribute("src"))) {
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$img = $doc->createElement('img');
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$img->setAttribute("src", $aentry->getAttribute("src"));
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$br = $doc->createElement('br');
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$entry->parentNode->insertBefore($img, $entry);
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$entry->parentNode->insertBefore($br, $entry);
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$found = true;
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break;
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}
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}
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}
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}
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}
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// linked albums, ffs
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if (preg_match("/^https?:\/\/imgur.com\/(a|album)\/[^\.]+$/", $entry->getAttribute("href"), $matches)) {
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$album_content = fetch_file_contents($entry->getAttribute("href"),
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false, false, false, false, 10);
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if ($album_content) {
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$adoc = new DOMDocument();
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@$adoc->loadHTML($album_content);
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if ($adoc) {
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$axpath = new DOMXPath($adoc);
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$aentries = $axpath->query("//meta[@property='og:image']");
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foreach ($aentries as $aentry) {
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$img = $doc->createElement('img');
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$img->setAttribute("src", $aentry->getAttribute("content"));
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$entry->parentNode->insertBefore($doc->createElement('br'), $entry);
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$br = $doc->createElement('br');
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$entry->parentNode->insertBefore($img, $entry);
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$entry->parentNode->insertBefore($br, $entry);
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$found = true;
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}
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}
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}
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}
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}
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// remove tiny thumbnails
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if ($entry->hasAttribute("src")) {
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if ($entry->parentNode && $entry->parentNode->parentNode) {
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$entry->parentNode->parentNode->removeChild($entry->parentNode);
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}
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}
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}
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$node = $doc->getElementsByTagName('body')->item(0);
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if ($node && $found) {
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$article["content"] = $doc->saveXML($node);
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}
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}
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}
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return $article;
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}
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function api_version() {
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return 2;
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}
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}
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?>
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