From 6f398dcfc6bb0c58902266c9117c0e1d03f5bb47 Mon Sep 17 00:00:00 2001
From: Andrew Dolgov <noreply@madoka.volgo-balt.ru>
Date: Mon, 5 Jun 2017 12:53:06 +0300
Subject: [PATCH] af_comics updates:

1. move preferences to Feeds tab
2. update CAD comic with support for sillies
3. add support for loading updated/third-party filters from filters.local (would override bundled filters)
---
 plugins/af_comics/filters.local/.empty      |  0
 plugins/af_comics/filters/af_comics_cad.php | 15 ++++++++++---
 plugins/af_comics/init.php                  | 24 +++++++++++++++------
 3 files changed, 29 insertions(+), 10 deletions(-)
 create mode 100644 plugins/af_comics/filters.local/.empty

diff --git a/plugins/af_comics/filters.local/.empty b/plugins/af_comics/filters.local/.empty
new file mode 100644
index 000000000..e69de29bb
diff --git a/plugins/af_comics/filters/af_comics_cad.php b/plugins/af_comics/filters/af_comics_cad.php
index 7c0670918..6846f3cb0 100644
--- a/plugins/af_comics/filters/af_comics_cad.php
+++ b/plugins/af_comics/filters/af_comics_cad.php
@@ -6,14 +6,23 @@ class Af_Comics_Cad extends Af_ComicFilter {
 	}
 
 	function process(&$article) {
-		if (strpos($article["link"], "cad-comic.com/cad/") !== FALSE) {
+		if (strpos($article["link"], "cad-comic.com") !== FALSE) {
 			if (strpos($article["title"], "News:") === FALSE) {
 
+				global $fetch_last_error_content;
+
 				$doc = new DOMDocument();
 
-				if (@$doc->loadHTML(fetch_file_contents($article["link"]))) {
+				$res = fetch_file_contents($article["link"], false, false, false,
+					false, false, 0,
+					"Mozilla/5.0 (Windows NT 6.1; WOW64; rv:50.0) Gecko/20100101 Firefox/50.0");
+
+				if (!$res && $fetch_last_error_content)
+					$res = $fetch_last_error_content;
+
+				if (@$doc->loadHTML($res)) {
 					$xpath = new DOMXPath($doc);
-					$basenode = $xpath->query('(//img[contains(@src, "/comics/cad-")])')->item(0);
+					$basenode = $xpath->query('//div[@class="comicpage"]/a/img')->item(0);
 
 					if ($basenode) {
 						$article["content"] = $doc->saveXML($basenode);
diff --git a/plugins/af_comics/init.php b/plugins/af_comics/init.php
index 15af1d1a6..09e903379 100644
--- a/plugins/af_comics/init.php
+++ b/plugins/af_comics/init.php
@@ -19,23 +19,31 @@ class Af_Comics extends Plugin {
 
 		require_once __DIR__ . "/filter_base.php";
 
-		$filters = glob(__DIR__ . "/filters/*.php");
+		$filters = array_merge(glob(__DIR__ . "/filters.local/*.php"), glob(__DIR__ . "/filters/*.php"));
+		$names = [];
 
 		foreach ($filters as $file) {
-			require_once $file;
 			$filter_name = preg_replace("/\..*$/", "", basename($file));
 
-			$filter = new $filter_name();
+			if (array_search($filter_name, $names) === FALSE) {
+				if (!class_exists($filter_name)) {
+					require_once $file;
+				}
 
-			if (is_subclass_of($filter, "Af_ComicFilter")) {
-				array_push($this->filters, $filter);
+				array_push($names, $filter_name);
+
+				$filter = new $filter_name();
+
+				if (is_subclass_of($filter, "Af_ComicFilter")) {
+					array_push($this->filters, $filter);
+					array_push($names, $filter_name);
+				}
 			}
 		}
-
 	}
 
 	function hook_prefs_tab($args) {
-		if ($args != "prefPrefs") return;
+		if ($args != "prefFeeds") return;
 
 		print "<div dojoType=\"dijit.layout.AccordionPane\" title=\"".__('Feeds supported by af_comics')."\">";
 
@@ -59,6 +67,8 @@ class Af_Comics extends Plugin {
 
 		print "<p>".__('GoComics requires a specific URL to workaround their lack of feed support: <code>http://feeds.feedburner.com/uclick/<em>comic_name</em></code> (e.g. <code>http://www.gocomics.com/garfield</code> uses <code>http://feeds.feedburner.com/uclick/garfield</code>).')."</p>";
 
+		print "<p>".__('Drop any updated filters into <code>filters.local</code> in plugin directory.')."</p>";
+
 		print "</div>";
 	}