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1 | <?php | |
2 | class Af_Unburn extends Plugin { | |
3 | private $host; | |
4 | ||
5 | function about() { | |
6 | return array(1.0, | |
7 | "Resolves feedburner and similar feed redirector URLs (requires CURL)", | |
8 | "fox"); | |
9 | } | |
10 | ||
11 | function init($host) { | |
12 | $this->host = $host; | |
13 | ||
14 | $host->add_hook($host::HOOK_ARTICLE_FILTER, $this); | |
15 | } | |
16 | ||
17 | function hook_article_filter($article) { | |
18 | $owner_uid = $article["owner_uid"]; | |
19 | ||
20 | if (!function_exists("curl_init")) | |
21 | return $article; | |
22 | ||
23 | if ((strpos($article["link"], "feedproxy.google.com") !== FALSE || | |
24 | strpos($article["link"], "/~r/") !== FALSE || | |
25 | strpos($article["link"], "feedsportal.com") !== FALSE)) { | |
26 | ||
27 | if (strpos($article["plugin_data"], "unburn,$owner_uid:") === FALSE) { | |
28 | ||
29 | if (ini_get("safe_mode") || ini_get("open_basedir")) { | |
30 | $ch = curl_init(geturl($article["link"])); | |
31 | } else { | |
32 | $ch = curl_init($article["link"]); | |
33 | } | |
34 | ||
35 | curl_setopt($ch, CURLOPT_TIMEOUT, 5); | |
36 | curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); | |
37 | curl_setopt($ch, CURLOPT_HEADER, true); | |
38 | curl_setopt($ch, CURLOPT_FOLLOWLOCATION, !ini_get("safe_mode") && !ini_get("open_basedir")); | |
39 | curl_setopt($ch, CURLOPT_USERAGENT, SELF_USER_AGENT); | |
40 | ||
41 | $contents = @curl_exec($ch); | |
42 | ||
43 | $real_url = curl_getinfo($ch, CURLINFO_EFFECTIVE_URL); | |
44 | ||
45 | curl_close($ch); | |
46 | ||
47 | if ($real_url) { | |
48 | /* remove the rest of it */ | |
49 | ||
50 | $query = parse_url($real_url, PHP_URL_QUERY); | |
51 | ||
52 | if ($query && strpos($query, "utm_source") !== FALSE) { | |
53 | $args = array(); | |
54 | parse_str($query, $args); | |
55 | ||
56 | foreach (array("utm_source", "utm_medium", "utm_campaign") as $param) { | |
57 | if (isset($args[$param])) unset($args[$param]); | |
58 | } | |
59 | ||
60 | $new_query = http_build_query($args); | |
61 | ||
62 | if ($new_query != $query) { | |
63 | $real_url = str_replace("?$query", "?$new_query", $real_url); | |
64 | } | |
65 | } | |
66 | ||
67 | $real_url = preg_replace("/\?$/", "", $real_url); | |
68 | ||
69 | $article["plugin_data"] = "unburn,$owner_uid:" . $article["plugin_data"]; | |
70 | $article["link"] = $real_url; | |
71 | } | |
72 | } else if (isset($article["stored"]["link"])) { | |
73 | $article["link"] = $article["stored"]["link"]; | |
74 | } | |
75 | } | |
76 | ||
77 | return $article; | |
78 | } | |
79 | ||
80 | function geturl($url){ | |
81 | ||
82 | (function_exists('curl_init')) ? '' : die('cURL Must be installed for geturl function to work. Ask your host to enable it or uncomment extension=php_curl.dll in php.ini'); | |
83 | ||
84 | $curl = curl_init(); | |
85 | $header[0] = "Accept: text/xml,application/xml,application/xhtml+xml,"; | |
86 | $header[0] .= "text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5"; | |
87 | $header[] = "Cache-Control: max-age=0"; | |
88 | $header[] = "Connection: keep-alive"; | |
89 | $header[] = "Keep-Alive: 300"; | |
90 | $header[] = "Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7"; | |
91 | $header[] = "Accept-Language: en-us,en;q=0.5"; | |
92 | $header[] = "Pragma: "; | |
93 | ||
94 | curl_setopt($curl, CURLOPT_URL, $url); | |
95 | curl_setopt($curl, CURLOPT_USERAGENT, 'Mozilla/5.0 (Windows NT 5.1; rv:5.0) Gecko/20100101 Firefox/5.0 Firefox/5.0'); | |
96 | curl_setopt($curl, CURLOPT_HTTPHEADER, $header); | |
97 | curl_setopt($curl, CURLOPT_HEADER, true); | |
98 | curl_setopt($curl, CURLOPT_REFERER, $url); | |
99 | curl_setopt($curl, CURLOPT_ENCODING, 'gzip,deflate'); | |
100 | curl_setopt($curl, CURLOPT_AUTOREFERER, true); | |
101 | curl_setopt($curl, CURLOPT_RETURNTRANSFER, true); | |
102 | //curl_setopt($curl, CURLOPT_FOLLOWLOCATION, true); //CURLOPT_FOLLOWLOCATION Disabled... | |
103 | curl_setopt($curl, CURLOPT_TIMEOUT, 60); | |
104 | ||
105 | $html = curl_exec($curl); | |
106 | ||
107 | $status = curl_getinfo($curl); | |
108 | curl_close($curl); | |
109 | ||
110 | if($status['http_code']!=200){ | |
111 | if($status['http_code'] == 301 || $status['http_code'] == 302) { | |
112 | list($header) = explode("\r\n\r\n", $html, 2); | |
113 | $matches = array(); | |
114 | preg_match("/(Location:|URI:)[^(\n)]*/", $header, $matches); | |
115 | $url = trim(str_replace($matches[1],"",$matches[0])); | |
116 | $url_parsed = parse_url($url); | |
117 | return (isset($url_parsed))? geturl($url, $referer):''; | |
118 | } | |
119 | $oline=''; | |
120 | foreach($status as $key=>$eline){$oline.='['.$key.']'.$eline.' ';} | |
121 | $line =$oline." \r\n ".$url."\r\n-----------------\r\n"; | |
122 | $handle = @fopen('./curl.error.log', 'a'); | |
123 | fwrite($handle, $line); | |
124 | return FALSE; | |
125 | } | |
126 | return $url; | |
127 | } | |
128 | } | |
129 | ?> |