af_redditimgur: add basic support for handling linked imgur pages

diff --git a/plugins/af_redditimgur/init.php b/plugins/af_redditimgur/init.php
index 260f1b89f388c9327b07534add109803e5495deb..53cb875c82c2cc7edf6290664a063b7d53869ef5 100644 (file)
--- a/plugins/af_redditimgur/init.php
+++ b/plugins/af_redditimgur/init.php
@@ -29,6 +29,8 @@ class Af_RedditImgur extends Plugin {
                                        $xpath = new DOMXPath($doc);
                                        $entries = $xpath->query('(//a[@href]|//img[@src])');
 
+                                       $found = false;
+
                                        foreach ($entries as $entry) {
                                                if ($entry->hasAttribute("href")) {
                                                        if (preg_match("/\.(jpg|jpeg|gif|png)$/i", $entry->getAttribute("href"))) {
@@ -37,6 +39,37 @@ class Af_RedditImgur extends Plugin {
                                                                $img->setAttribute("src", $entry->getAttribute("href"));
 
                                                                $entry->parentNode->replaceChild($img, $entry);
+
+                                                               $found = true;
+                                                       }
+
+                                                       // links to imgur pages
+                                                       $matches = array();
+                                                       if (preg_match("/^http:\/\/imgur.com\/([^\.]+$)/", $entry->getAttribute("href"), $matches)) {
+
+                                                               $token = $matches[1];
+
+                                                               $album_content = fetch_file_contents($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 $aentry) {
+                                                                                       if (preg_match("/^http:\/\/i.imgur.com\/$token\./", $aentry->getAttribute("src"))) {
+                                                                                               $img = $doc->createElement('img');
+                                                                                               $img->setAttribute("src", $aentry->getAttribute("src"));
+                                                                                               $entry->parentNode->insertBefore($img, $entry);
+                                                                                               $found = true;
+                                                                                       }
+                                                                               }
+                                                                       }
+                                                               }
                                                        }
                                                }
 
@@ -50,7 +83,7 @@ class Af_RedditImgur extends Plugin {
 
                                        $node = $doc->getElementsByTagName('body')->item(0);
 
-                                       if ($node) {
+                                       if ($node && $found) {
                                                $article["content"] = $doc->saveXML($node, LIBXML_NOEMPTYTAG);
                                                $article["plugin_data"] = "redditimgur,$owner_uid:" . $article["plugin_data"];
                                        }