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346297d4 AD |
1 | <?php |
2 | class 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 | ||
21 | $owner_uid = $article["owner_uid"]; | |
22 | ||
23 | $charset_hack = '<head> | |
24 | <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/> | |
25 | </head>'; | |
26 | ||
27 | $doc = new DOMDocument(); | |
28 | $doc->loadHTML($charset_hack . $article["content"]); | |
29 | ||
30 | $found = false; | |
31 | ||
32 | if ($doc) { | |
33 | $xpath = new DOMXpath($doc); | |
34 | ||
35 | $images = $xpath->query('(//img[@src])'); | |
36 | ||
37 | foreach ($images as $img) { | |
38 | $src = $img->getAttribute("src"); | |
39 | ||
40 | $ch = curl_init($src); | |
41 | curl_setopt($ch, CURLOPT_HEADER, 0); | |
42 | curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); | |
43 | curl_setopt($ch, CURLOPT_BINARYTRANSFER,1); | |
44 | curl_setopt($ch, CURLOPT_RANGE, "0-32768"); | |
45 | ||
46 | @$result = curl_exec($ch); | |
47 | $http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE); | |
48 | ||
49 | if ($result && ($http_code == 200 || $http_code == 206)) { | |
50 | $filename = tempnam(sys_get_temp_dir(), "ttsizecheck"); | |
51 | ||
52 | if ($filename) { | |
53 | $fh = fopen($filename, "w"); | |
54 | if ($fh) { | |
55 | fwrite($fh, $result); | |
56 | fclose($fh); | |
57 | ||
58 | @$info = getimagesize($filename); | |
59 | ||
60 | if ($info && $info[0] > 0 && $info[1] > 0) { | |
61 | $img->setAttribute("width", $info[0]); | |
62 | $img->setAttribute("height", $info[1]); | |
63 | $found = true; | |
64 | } | |
65 | ||
66 | unlink($filename); | |
67 | } | |
68 | } | |
69 | } | |
70 | } | |
71 | ||
72 | if ($found) { | |
73 | $doc->removeChild($doc->firstChild); //remove doctype | |
74 | $article["content"] = $doc->saveHTML(); | |
75 | } | |
76 | } | |
77 | ||
78 | return $article; | |
79 | ||
80 | } | |
81 | ||
82 | ||
83 | function api_version() { | |
84 | return 2; | |
85 | } | |
86 | ||
87 | } | |
88 | ?> |