]> git.wh0rd.org - tt-rss.git/blame - plugins/af_zz_imgsetsizes/init.php
allow NO_CURL to disable several CURL-related checks in plugins
[tt-rss.git] / plugins / af_zz_imgsetsizes / init.php
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1<?php
2class Af_Zz_ImgSetSizes extends Plugin {
3 private $host;
4
5 function about() {
6 return array(1.0,
7 "Set width/height attributes for images in articles (requires CURL and GD)",
8 "fox");
9 }
10
11 function init($host) {
12 $this->host = $host;
13
14 if (function_exists("curl_init") && function_exists("getimagesize")) {
15 $host->add_hook($host::HOOK_ARTICLE_FILTER, $this);
16 }
17 }
18
19 function hook_article_filter($article) {
20
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21 if (defined('NO_CURL') || !function_exists("curl_init"))
22 return $article;
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23
24 $charset_hack = '<head>
25 <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
26 </head>';
27
28 $doc = new DOMDocument();
29 $doc->loadHTML($charset_hack . $article["content"]);
30
31 $found = false;
32
33 if ($doc) {
34 $xpath = new DOMXpath($doc);
35
36 $images = $xpath->query('(//img[@src])');
37
38 foreach ($images as $img) {
39 $src = $img->getAttribute("src");
40
41 $ch = curl_init($src);
42 curl_setopt($ch, CURLOPT_HEADER, 0);
43 curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
44 curl_setopt($ch, CURLOPT_BINARYTRANSFER,1);
45 curl_setopt($ch, CURLOPT_RANGE, "0-32768");
46
47 @$result = curl_exec($ch);
48 $http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
49
50 if ($result && ($http_code == 200 || $http_code == 206)) {
51 $filename = tempnam(sys_get_temp_dir(), "ttsizecheck");
52
53 if ($filename) {
54 $fh = fopen($filename, "w");
55 if ($fh) {
56 fwrite($fh, $result);
57 fclose($fh);
58
59 @$info = getimagesize($filename);
60
61 if ($info && $info[0] > 0 && $info[1] > 0) {
62 $img->setAttribute("width", $info[0]);
63 $img->setAttribute("height", $info[1]);
64 $found = true;
65 }
66
67 unlink($filename);
68 }
69 }
70 }
71 }
72
73 if ($found) {
74 $doc->removeChild($doc->firstChild); //remove doctype
75 $article["content"] = $doc->saveHTML();
76 }
77 }
78
79 return $article;
80
81 }
82
83
84 function api_version() {
85 return 2;
86 }
87
88}
89?>