ttrss/plugins/af_zz_imgsetsizes/init.php

90 lines
1.9 KiB
PHP

<?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) {
if (defined('NO_CURL') || !function_exists("curl_init"))
return $article;
$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;
}
}
?>