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9b725068 AD |
1 | <?php |
2 | class Af_Unburn extends Plugin { | |
9b725068 AD |
3 | private $host; |
4 | ||
5 | function about() { | |
6 | return array(1.0, | |
6368785e | 7 | "Resolves feedburner and similar feed redirector URLs (requires CURL)", |
9b725068 AD |
8 | "fox"); |
9 | } | |
10 | ||
11 | function init($host) { | |
9b725068 AD |
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 $article; | |
22 | ||
eb161344 | 23 | if ((strpos($article["link"], "feedproxy.google.com") !== FALSE || |
a90952ec | 24 | strpos($article["link"], "/~r/") !== FALSE || |
e02555c1 | 25 | strpos($article["link"], "feedsportal.com") !== FALSE)) { |
9b725068 | 26 | |
e02555c1 | 27 | if (strpos($article["plugin_data"], "unburn,$owner_uid:") === FALSE) { |
9b725068 | 28 | |
438a3ecb | 29 | if (ini_get("safe_mode") || ini_get("open_basedir")) { |
81153e6b AD |
30 | $ch = curl_init(geturl($article["link"])); |
31 | } else { | |
32 | $ch = curl_init($article["link"]); | |
33 | } | |
34 | ||
e02555c1 AD |
35 | curl_setopt($ch, CURLOPT_TIMEOUT, 5); |
36 | curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); | |
37 | curl_setopt($ch, CURLOPT_HEADER, true); | |
438a3ecb | 38 | curl_setopt($ch, CURLOPT_FOLLOWLOCATION, !ini_get("safe_mode") && !ini_get("open_basedir")); |
e02555c1 | 39 | curl_setopt($ch, CURLOPT_USERAGENT, SELF_USER_AGENT); |
9b725068 | 40 | |
e02555c1 | 41 | $contents = @curl_exec($ch); |
9b725068 | 42 | |
e02555c1 | 43 | $real_url = curl_getinfo($ch, CURLINFO_EFFECTIVE_URL); |
8c685908 | 44 | |
e02555c1 | 45 | curl_close($ch); |
8c685908 | 46 | |
e02555c1 AD |
47 | if ($real_url) { |
48 | /* remove the rest of it */ | |
8c685908 | 49 | |
e02555c1 | 50 | $query = parse_url($real_url, PHP_URL_QUERY); |
8c685908 | 51 | |
e02555c1 AD |
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 | } | |
8c685908 | 59 | |
e02555c1 | 60 | $new_query = http_build_query($args); |
8c685908 | 61 | |
e02555c1 AD |
62 | if ($new_query != $query) { |
63 | $real_url = str_replace("?$query", "?$new_query", $real_url); | |
64 | } | |
8c685908 | 65 | } |
8c685908 | 66 | |
e02555c1 | 67 | $real_url = preg_replace("/\?$/", "", $real_url); |
1e6463fd | 68 | |
e02555c1 AD |
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"]; | |
9b725068 AD |
74 | } |
75 | } | |
76 | ||
77 | return $article; | |
78 | } | |
81153e6b | 79 | |
e2b0054b AD |
80 | function geturl($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 | } | |
9b725068 AD |
128 | } |
129 | ?> |