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;
 	}
 }
 ?>