From 6322fc6870f5df3878670a690f13a26a4ce76d20 Mon Sep 17 00:00:00 2001
From: Andrew Dolgov <noreply@fakecake.org>
Date: Tue, 7 Jul 2015 08:44:31 +0300
Subject: [PATCH] af_redditimgur: fix youtube regexp, try to inline images
 again if parsed using readability

---
 plugins/af_redditimgur/init.php | 315 ++++++++++++++++----------------
 1 file changed, 153 insertions(+), 162 deletions(-)

diff --git a/plugins/af_redditimgur/init.php b/plugins/af_redditimgur/init.php
index d42f4c60..265999e2 100644
--- a/plugins/af_redditimgur/init.php
+++ b/plugins/af_redditimgur/init.php
@@ -69,239 +69,230 @@ class Af_RedditImgur extends Plugin {
 		echo __("Configuration saved");
 	}
 
-	function hook_article_filter($article) {
-
-		if (strpos($article["link"], "reddit.com/r/") !== FALSE) {
-				$doc = new DOMDocument();
-				@$doc->loadHTML($article["content"]);
+	private function inline_stuff($article, &$doc, $xpath) {
 
-				if ($doc) {
-					$xpath = new DOMXPath($doc);
-					$entries = $xpath->query('(//a[@href]|//img[@src])');
+		$entries = $xpath->query('(//a[@href]|//img[@src])');
 
-					$found = false;
+		$found = false;
 
-					foreach ($entries as $entry) {
-						if ($entry->hasAttribute("href")) {
+		foreach ($entries as $entry) {
+			if ($entry->hasAttribute("href")) {
 
-							$matches = array();
+				$matches = array();
 
-							if (preg_match("/https?:\/\/gfycat.com\/([a-z]+)$/i", $entry->getAttribute("href"), $matches)) {
+				if (preg_match("/https?:\/\/gfycat.com\/([a-z]+)$/i", $entry->getAttribute("href"), $matches)) {
 
-								$tmp = fetch_file_contents($entry->getAttribute("href"));
+					$tmp = fetch_file_contents($entry->getAttribute("href"));
 
-								if ($tmp) {
-									$tmpdoc = new DOMDocument();
-									@$tmpdoc->loadHTML($tmp);
+					if ($tmp) {
+						$tmpdoc = new DOMDocument();
+						@$tmpdoc->loadHTML($tmp);
 
-									if ($tmpdoc) {
-										$tmpxpath = new DOMXPath($tmpdoc);
-										$source_meta = $tmpxpath->query("//meta[@property='og:video']")->item(0);
+						if ($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_meta) {
+								$source_stream = $source_meta->getAttribute("content");
 
-											if ($source_stream) {
-												$this->handle_as_video($doc, $entry, $source_stream);
-												$found = 1;
-											}
-										}
-									}
+								if ($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, $entry);*/
+				if (preg_match("/\.(gifv)$/i", $entry->getAttribute("href"))) {
 
-								$source_stream = str_replace(".gifv", ".mp4", $entry->getAttribute("href"));
-								$this->handle_as_video($doc, $entry, $source_stream);
+					$source_stream = str_replace(".gifv", ".mp4", $entry->getAttribute("href"));
+					$this->handle_as_video($doc, $entry, $source_stream);
 
-								$found = true;
-							}
+					$found = true;
+				}
 
-							$matches = array();
-							if (preg_match("/\/\/www\.youtube\.com\/v\/([\w-]+)/", $entry->getAttribute("href"), $matches) ||
-								preg_match("/\/\/www\.youtube\.com\/watch?v=([\w-]+)/", $entry->getAttribute("href"), $matches) ||
-								preg_match("/\/\/youtu.be\/([\w-]+)/", $entry->getAttribute("href"), $matches)) {
+				$matches = array();
+				if (preg_match("/\/\/www\.youtube\.com\/v\/([\w-]+)/", $entry->getAttribute("href"), $matches) ||
+					preg_match("/\/\/www\.youtube\.com\/watch\?v=([\w-]+)/", $entry->getAttribute("href"), $matches) ||
+					preg_match("/\/\/youtu.be\/([\w-]+)/", $entry->getAttribute("href"), $matches)) {
 
-								$vid_id = $matches[1];
+					$vid_id = $matches[1];
 
-								$iframe = $doc->createElement("iframe");
-								$iframe->setAttribute("class", "youtube-player");
-								$iframe->setAttribute("type", "text/html");
-								$iframe->setAttribute("width", "640");
-								$iframe->setAttribute("height", "385");
-								$iframe->setAttribute("src", "https://www.youtube.com/embed/$vid_id");
-								$iframe->setAttribute("allowfullscreen", "1");
-								$iframe->setAttribute("frameborder", "0");
+					$iframe = $doc->createElement("iframe");
+					$iframe->setAttribute("class", "youtube-player");
+					$iframe->setAttribute("type", "text/html");
+					$iframe->setAttribute("width", "640");
+					$iframe->setAttribute("height", "385");
+					$iframe->setAttribute("src", "https://www.youtube.com/embed/$vid_id");
+					$iframe->setAttribute("allowfullscreen", "1");
+					$iframe->setAttribute("frameborder", "0");
 
-								$br = $doc->createElement('br');
-								$entry->parentNode->insertBefore($iframe, $entry);
-								$entry->parentNode->insertBefore($br, $entry);
+					$br = $doc->createElement('br');
+					$entry->parentNode->insertBefore($iframe, $entry);
+					$entry->parentNode->insertBefore($br, $entry);
 
-								$found = true;
-							}
+					$found = true;
+				}
 
-							if (preg_match("/\.(jpg|jpeg|gif|png)(\?[0-9][0-9]*)?$/i", $entry->getAttribute("href"))) {
-								$img = $doc->createElement('img');
-								$img->setAttribute("src", $entry->getAttribute("href"));
+				if (preg_match("/\.(jpg|jpeg|gif|png)(\?[0-9][0-9]*)?$/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);
+					$br = $doc->createElement('br');
+					$entry->parentNode->insertBefore($img, $entry);
+					$entry->parentNode->insertBefore($br, $entry);
 
-								$found = true;
-							}
+					$found = true;
+				}
 
-							// links to imgur pages
-							$matches = array();
-							if (preg_match("/^https?:\/\/(m\.)?imgur.com\/([^\.\/]+$)/", $entry->getAttribute("href"), $matches)) {
+				// links to imgur pages
+				$matches = array();
+				if (preg_match("/^https?:\/\/(m\.)?imgur.com\/([^\.\/]+$)/", $entry->getAttribute("href"), $matches)) {
 
-								$token = $matches[2];
+					$token = $matches[2];
 
-								$album_content = fetch_file_contents($entry->getAttribute("href"),
-									false, false, false, false, 10);
+					$album_content = fetch_file_contents($entry->getAttribute("href"),
+						false, false, false, false, 10);
 
-								if ($album_content && $token) {
-									$adoc = new DOMDocument();
-									@$adoc->loadHTML($album_content);
+					if ($album_content && $token) {
+						$adoc = new DOMDocument();
+						@$adoc->loadHTML($album_content);
 
-									if ($adoc) {
-										$axpath = new DOMXPath($adoc);
-										$aentries = $axpath->query('(//img[@src])');
+						if ($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", $aentry->getAttribute("src"));
+							foreach ($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');
+									$br = $doc->createElement('br');
 
-												$entry->parentNode->insertBefore($img, $entry);
-												$entry->parentNode->insertBefore($br, $entry);
+									$entry->parentNode->insertBefore($img, $entry);
+									$entry->parentNode->insertBefore($br, $entry);
 
-												$found = true;
+									$found = true;
 
-												break;
-											}
-										}
-									}
+									break;
 								}
 							}
+						}
+					}
+				}
 
-							// linked albums, ffs
-							if (preg_match("/^https?:\/\/imgur.com\/(a|album|gallery)\/[^\.]+$/", $entry->getAttribute("href"), $matches)) {
+				// linked albums, ffs
+				if (preg_match("/^https?:\/\/imgur.com\/(a|album|gallery)\/[^\.]+$/", $entry->getAttribute("href"), $matches)) {
 
-								$album_content = fetch_file_contents($entry->getAttribute("href"),
-									false, false, false, false, 10);
+					$album_content = fetch_file_contents($entry->getAttribute("href"),
+						false, false, false, false, 10);
 
-								if ($album_content) {
-									$adoc = new DOMDocument();
-									@$adoc->loadHTML($album_content);
+					if ($album_content) {
+						$adoc = new DOMDocument();
+						@$adoc->loadHTML($album_content);
 
-									if ($adoc) {
-										$axpath = new DOMXPath($adoc);
-										$aentries = $axpath->query("//meta[@property='og:image']");
-										$urls = array();
+						if ($adoc) {
+							$axpath = new DOMXPath($adoc);
+							$aentries = $axpath->query("//meta[@property='og:image']");
+							$urls = array();
 
-										foreach ($aentries as $aentry) {
+							foreach ($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'), $entry);
+								if (!in_array($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');
+									$br = $doc->createElement('br');
 
-												$entry->parentNode->insertBefore($img, $entry);
-												$entry->parentNode->insertBefore($br, $entry);
+									$entry->parentNode->insertBefore($img, $entry);
+									$entry->parentNode->insertBefore($br, $entry);
 
-												array_push($urls, $aentry->getAttribute("content"));
+									array_push($urls, $aentry->getAttribute("content"));
 
-												$found = true;
-											}
-										}
-									}
+									$found = true;
 								}
 							}
 						}
-
-						// remove tiny thumbnails
-						if ($entry->hasAttribute("src")) {
-							if ($entry->parentNode && $entry->parentNode->parentNode) {
-								$entry->parentNode->parentNode->removeChild($entry->parentNode);
-							}
-						}
 					}
+				}
+			}
+
+			// remove tiny thumbnails
+			if ($entry->hasAttribute("src")) {
+				if ($entry->parentNode && $entry->parentNode->parentNode) {
+					$entry->parentNode->parentNode->removeChild($entry->parentNode);
+				}
+			}
+		}
 
-					if (!$found && $this->host->get($this, "enable_readability") && mb_strlen(strip_tags($article["content"])) <= 150) {
-						if (!class_exists("Readability")) require_once(__DIR__ . "/classes/Readability.php");
+		return $found;
+	}
 
-						$content_link = $xpath->query("(//a[contains(., '[link]')])")->item(0);
+	function hook_article_filter($article) {
 
-						if ($content_link && strpos($content_link->getAttribute("href"), "reddit.com") === FALSE) {
+		if (strpos($article["link"], "reddit.com/r/") !== FALSE) {
+			$doc = new DOMDocument();
+			@$doc->loadHTML($article["content"]);
+			$xpath = new DOMXPath($doc);
 
-							$tmp = fetch_file_contents($content_link->getAttribute("href"));
+			$found = $this->inline_stuff($article, $doc, $xpath);
 
-							if ($tmp) {
-								$r = new Readability($tmp, $content_link->getAttribute("href"));
+			if (!$found && $this->host->get($this, "enable_readability") && mb_strlen(strip_tags($article["content"])) <= 150) {
+				if (!class_exists("Readability")) require_once(__DIR__ . "/classes/Readability.php");
 
-								if ($r->init()) {
-									//$article["content"] = $r->articleContent->innerHTML . "<hr/>" . $article["content"];
+				$content_link = $xpath->query("(//a[contains(., '[link]')])")->item(0);
 
-									$tmpxpath = new DOMXPath($r->dom);
+				if ($content_link && strpos($content_link->getAttribute("href"), "reddit.com") === FALSE) {
 
-									$entries = $tmpxpath->query('(//a[@href]|//img[@src])');
+					$tmp = fetch_file_contents($content_link->getAttribute("href"));
 
-									foreach ($entries as $entry) {
-										if ($entry->hasAttribute("href")) {
-											$entry->setAttribute("href",
-												rewrite_relative_url($content_link->getAttribute("href"), $entry->getAttribute("href")));
+					if ($tmp) {
+						$r = new Readability($tmp, $content_link->getAttribute("href"));
 
-										}
+						if ($r->init()) {
+							//$article["content"] = $r->articleContent->innerHTML . "<hr/>" . $article["content"];
 
-										if ($entry->hasAttribute("src")) {
-											$entry->setAttribute("src",
-												rewrite_relative_url($content_link->getAttribute("href"), $entry->getAttribute("src")));
+							$tmpxpath = new DOMXPath($r->dom);
 
-										}
+							$entries = $tmpxpath->query('(//a[@href]|//img[@src])');
 
-									}
+							foreach ($entries as $entry) {
+								if ($entry->hasAttribute("href")) {
+									$entry->setAttribute("href",
+										rewrite_relative_url($content_link->getAttribute("href"), $entry->getAttribute("href")));
 
-									$article["content"] = $r->articleContent->innerHTML . "<hr/>" . $article["content"];
 								}
-							}
 
-						}
+								if ($entry->hasAttribute("src")) {
+									$entry->setAttribute("src",
+										rewrite_relative_url($content_link->getAttribute("href"), $entry->getAttribute("src")));
 
-					}
+								}
+
+							}
 
-					$node = $doc->getElementsByTagName('body')->item(0);
+							$article["content"] = $r->articleContent->innerHTML . "<hr/>" . $article["content"];
 
-					if ($node && $found) {
-						$article["content"] = $doc->saveXML($node);
+							$doc = new DOMDocument();
+							@$doc->loadHTML($article["content"]);
+							$xpath = new DOMXPath($doc);
+
+							$found = $this->inline_stuff($article, $doc, $xpath);
+						}
 					}
+
 				}
+
+			}
+
+			$node = $doc->getElementsByTagName('body')->item(0);
+
+			if ($node && $found) {
+				$article["content"] = $doc->saveXML($node);
+			}
 		}
 
 		return $article;
-- 
2.39.5