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c4ebf01e AD |
1 | <?php |
2 | class Af_Zz_ImgProxy extends Plugin { | |
3 | private $host; | |
4 | ||
5 | function about() { | |
6 | return array(1.0, | |
7 | "Load insecure images via built-in proxy (no caching)", | |
8 | "fox"); | |
9 | } | |
10 | ||
11 | function flags() { | |
12 | return array("needs_curl" => true); | |
13 | } | |
14 | ||
15 | function init($host) { | |
16 | $this->host = $host; | |
17 | ||
18 | $host->add_hook($host::HOOK_RENDER_ARTICLE, $this); | |
19 | $host->add_hook($host::HOOK_RENDER_ARTICLE_CDM, $this); | |
20 | $host->add_hook($host::HOOK_RENDER_ARTICLE_API, $this); | |
21 | } | |
22 | ||
23 | function hook_render_article($article) { | |
24 | return $this->hook_render_article_cdm($article); | |
25 | } | |
26 | ||
27 | function hook_render_article_api($headline) { | |
28 | return $this->hook_render_article_cdm($headline["headline"], true); | |
29 | } | |
30 | ||
31 | /*public function vidproxy() { | |
32 | $url = $_REQUEST["url"]; | |
33 | ||
34 | if (preg_match("/\.(mp4|webm|gifv)/", $url, $matches)) { | |
35 | $type = $matches[1]; | |
36 | $embed_url = $url; | |
37 | ||
38 | if ($type == "gifv") { | |
39 | $type = "mp4"; | |
40 | $embed_url = str_replace(".gifv", ".mp4", $embed_url); | |
41 | } | |
42 | ||
43 | header("Content-type: text/html"); | |
44 | ||
45 | $embed_url = htmlspecialchars("backend.php?op=pluginhandler&plugin=af_zz_imgproxy&method=imgproxy&url=" . | |
46 | urlencode($embed_url)); | |
47 | ||
48 | print "<video class=\"\" autoplay=\"true\" controls=\"true\" loop=\"true\">"; | |
49 | print "<source src=\"$embed_url\" type=\"video/$type\">"; | |
50 | print "</video>"; | |
51 | } else { | |
52 | header("Location: " . htmlspecialchars($url)); | |
53 | } | |
54 | }*/ | |
55 | ||
56 | public function imgproxy() { | |
57 | $url = rewrite_relative_url(SELF_URL_PATH, $_REQUEST["url"]); | |
58 | ||
59 | if (function_exists("getimagesize")) { | |
60 | $is = @getimagesize($url); | |
61 | header("Content-type: " . $is["mime"]); | |
62 | } | |
63 | ||
64 | print fetch_file_contents(array("url" => $url)); | |
65 | } | |
66 | ||
67 | function rewrite_url_if_needed($url) { | |
68 | $scheme = parse_url($url, PHP_URL_SCHEME); | |
69 | ||
70 | if ($scheme != 'https' && $scheme != "") { | |
71 | $url = "backend.php?op=pluginhandler&plugin=af_zz_imgproxy&method=imgproxy&url=" . | |
72 | htmlspecialchars($url); | |
73 | ||
74 | } | |
75 | ||
76 | return $url; | |
77 | } | |
78 | ||
79 | function hook_render_article_cdm($article, $api_mode = false) { | |
80 | ||
81 | $need_saving = false; | |
82 | ||
83 | $doc = new DOMDocument(); | |
84 | if (@$doc->loadHTML($article["content"])) { | |
85 | $xpath = new DOMXPath($doc); | |
86 | $imgs = $xpath->query("//img[@src]"); | |
87 | ||
88 | foreach ($imgs as $img) { | |
89 | $new_src = $this->rewrite_url_if_needed($img->getAttribute("src")); | |
90 | ||
91 | if ($new_src != $img->getAttribute("src")) { | |
92 | $img->setAttribute("src", $new_src); | |
93 | ||
94 | $need_saving = true; | |
95 | } | |
96 | } | |
97 | ||
98 | $vids = $xpath->query("//video"); | |
99 | ||
100 | foreach ($vids as $vid) { | |
101 | if ($vid->hasAttribute("poster")) { | |
102 | $new_src = $this->rewrite_url_if_needed($vid->getAttribute("poster")); | |
103 | ||
104 | if ($new_src != $vid->getAttribute("poster")) { | |
105 | $vid->setAttribute("poster", $new_src); | |
106 | ||
107 | $need_saving = true; | |
108 | } | |
109 | } | |
110 | ||
111 | $vsrcs = $xpath->query("source", $vid); | |
112 | ||
113 | foreach ($vsrcs as $vsrc) { | |
114 | $new_src = $this->rewrite_url_if_needed($vsrc->getAttribute("src")); | |
115 | ||
116 | if ($new_src != $vsrc->getAttribute("src")) { | |
117 | $vid->setAttribute("src", $new_src); | |
118 | ||
119 | $need_saving = true; | |
120 | } | |
121 | } | |
122 | } | |
123 | } | |
124 | ||
125 | if ($need_saving) $article["content"] = $doc->saveXML(); | |
126 | ||
127 | return $article; | |
128 | } | |
129 | ||
130 | function api_version() { | |
131 | return 2; | |
132 | } | |
133 | } |