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346297d4 AD |
1 | <?php |
2 | class Af_Zz_ImgSetSizes extends Plugin { | |
3 | private $host; | |
4 | ||
5 | function about() { | |
6 | return array(1.0, | |
7 | "Set width/height attributes for images in articles (requires CURL and GD)", | |
8 | "fox"); | |
9 | } | |
10 | ||
41245888 AD |
11 | function flags() { |
12 | return array("needs_curl" => true); | |
13 | } | |
14 | ||
346297d4 AD |
15 | function init($host) { |
16 | $this->host = $host; | |
17 | ||
18 | if (function_exists("curl_init") && function_exists("getimagesize")) { | |
19 | $host->add_hook($host::HOOK_ARTICLE_FILTER, $this); | |
20 | } | |
21 | } | |
22 | ||
23 | function hook_article_filter($article) { | |
24 | ||
aa03bac4 AD |
25 | if (defined('NO_CURL') || !function_exists("curl_init")) |
26 | return $article; | |
346297d4 AD |
27 | |
28 | $charset_hack = '<head> | |
29 | <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/> | |
30 | </head>'; | |
31 | ||
32 | $doc = new DOMDocument(); | |
33 | $doc->loadHTML($charset_hack . $article["content"]); | |
34 | ||
35 | $found = false; | |
36 | ||
37 | if ($doc) { | |
38 | $xpath = new DOMXpath($doc); | |
39 | ||
40 | $images = $xpath->query('(//img[@src])'); | |
41 | ||
42 | foreach ($images as $img) { | |
43 | $src = $img->getAttribute("src"); | |
44 | ||
45 | $ch = curl_init($src); | |
46 | curl_setopt($ch, CURLOPT_HEADER, 0); | |
47 | curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); | |
48 | curl_setopt($ch, CURLOPT_BINARYTRANSFER,1); | |
49 | curl_setopt($ch, CURLOPT_RANGE, "0-32768"); | |
50 | ||
51 | @$result = curl_exec($ch); | |
52 | $http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE); | |
53 | ||
54 | if ($result && ($http_code == 200 || $http_code == 206)) { | |
55 | $filename = tempnam(sys_get_temp_dir(), "ttsizecheck"); | |
56 | ||
57 | if ($filename) { | |
58 | $fh = fopen($filename, "w"); | |
59 | if ($fh) { | |
60 | fwrite($fh, $result); | |
61 | fclose($fh); | |
62 | ||
63 | @$info = getimagesize($filename); | |
64 | ||
65 | if ($info && $info[0] > 0 && $info[1] > 0) { | |
66 | $img->setAttribute("width", $info[0]); | |
67 | $img->setAttribute("height", $info[1]); | |
68 | $found = true; | |
69 | } | |
70 | ||
71 | unlink($filename); | |
72 | } | |
73 | } | |
74 | } | |
75 | } | |
76 | ||
77 | if ($found) { | |
78 | $doc->removeChild($doc->firstChild); //remove doctype | |
79 | $article["content"] = $doc->saveHTML(); | |
80 | } | |
81 | } | |
82 | ||
83 | return $article; | |
84 | ||
85 | } | |
86 | ||
87 | ||
88 | function api_version() { | |
89 | return 2; | |
90 | } | |
91 | ||
92 | } | |
93 | ?> |