add af_buttersafe

diff --git a/plugins/af_buttersafe/init.php b/plugins/af_buttersafe/init.php
new file mode 100644 (file)
index 0000000..2b42795
--- /dev/null
+++ b/plugins/af_buttersafe/init.php
@@ -0,0 +1,57 @@
+<?php
+class Af_Buttersafe extends Plugin {
+
+       private $link;
+       private $host;
+
+       function about() {
+               return array(1.0,
+                       "Strip unnecessary stuff from Buttersafe feeds",
+                       "fox");
+       }
+
+       function init($host) {
+               $this->link = $host->get_link();
+               $this->host = $host;
+
+               $host->add_hook($host::HOOK_ARTICLE_FILTER, $this);
+       }
+
+       function hook_article_filter($article) {
+               $owner_uid = $article["owner_uid"];
+
+               if (strpos($article["guid"], "buttersafe.com") !== FALSE &&
+                               strpos($article["guid"], "buttersafe,$owner_uid:") === FALSE) {
+
+                       $doc = new DOMDocument();
+                       @$doc->loadHTML(fetch_file_contents($article["link"]));
+
+                       $basenode = false;
+
+                       if ($doc) {
+                               $xpath = new DOMXPath($doc);
+                               $entries = $xpath->query('(//img[@src])');
+
+                               $matches = array();
+
+                               foreach ($entries as $entry) {
+
+                                       if (preg_match("/(http:\/\/buttersafe.com\/comics\/\d{4}.*)/i", $entry->getAttribute("src"), $matches)) {
+
+                                               $basenode = $entry;
+                                               break;
+                                       }
+                               }
+
+                               if ($basenode) {
+                                       $article["content"] = $doc->saveXML($basenode, LIBXML_NOEMPTYTAG);
+                               }
+                       }
+
+                       $article["guid"] = "buttersafe,$owner_uid:" . $article["guid"];
+               }
+
+               return $article;
+       }
+}
+?>