add imgsetsizes plugin

10 years ago · 346297d4d2
parent 0d41fd76d3
commit 346297d4d2
1 changed files with 88 additions and 0 deletions
--- a/plugins/af_zz_imgsetsizes/init.php
+++ b/plugins/af_zz_imgsetsizes/init.php
@ -0,0 +1,88 @@
+<?php
+class Af_Zz_ImgSetSizes extends Plugin {
+	private $host;
+
+	function about() {
+		return array(1.0,
+			"Set width/height attributes for images in articles (requires CURL and GD)",
+			"fox");
+	}
+
+	function init($host) {
+		$this->host = $host;
+
+		if (function_exists("curl_init") && function_exists("getimagesize")) {
+			$host->add_hook($host::HOOK_ARTICLE_FILTER, $this);
+		}
+	}
+
+	function hook_article_filter($article) {
+
+		$owner_uid = $article["owner_uid"];
+
+		$charset_hack = '<head>
+			<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
+		</head>';
+
+		$doc = new DOMDocument();
+		$doc->loadHTML($charset_hack . $article["content"]);
+
+		$found = false;
+
+		if ($doc) {
+			$xpath = new DOMXpath($doc);
+
+			$images = $xpath->query('(//img[@src])');
+
+			foreach ($images as $img) {
+				$src = $img->getAttribute("src");
+
+				$ch = curl_init($src);
+				curl_setopt($ch, CURLOPT_HEADER, 0);
+				curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
+				curl_setopt($ch, CURLOPT_BINARYTRANSFER,1);
+				curl_setopt($ch, CURLOPT_RANGE, "0-32768");
+
+				@$result = curl_exec($ch);
+				$http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
+
+				if ($result && ($http_code == 200 || $http_code == 206)) {
+					$filename = tempnam(sys_get_temp_dir(), "ttsizecheck");
+
+					if ($filename) {
+						$fh = fopen($filename, "w");
+						if ($fh) {
+							fwrite($fh, $result);
+							fclose($fh);
+
+							@$info = getimagesize($filename);
+
+							if ($info && $info[0] > 0 && $info[1] > 0) {
+								$img->setAttribute("width", $info[0]);
+								$img->setAttribute("height", $info[1]);
+								$found = true;
+							}
+
+							unlink($filename);
+						}
+					}
+				}
+			}
+
+			if ($found) {
+				$doc->removeChild($doc->firstChild); //remove doctype
+				$article["content"] = $doc->saveHTML();
+			}
+		}
+
+		return $article;
+
+	}
+
+
+	function api_version() {
+		return 2;
+	}
+
+}
+?>