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9b725068 AD |
1 | <?php |
2 | class Af_Unburn extends Plugin { | |
9b725068 AD |
3 | private $host; |
4 | ||
5 | function about() { | |
6 | return array(1.0, | |
6368785e | 7 | "Resolves feedburner and similar feed redirector URLs (requires CURL)", |
9b725068 AD |
8 | "fox"); |
9 | } | |
10 | ||
41245888 AD |
11 | function flags() { |
12 | return array("needs_curl" => true); | |
13 | } | |
14 | ||
9b725068 | 15 | function init($host) { |
9b725068 AD |
16 | $this->host = $host; |
17 | ||
18 | $host->add_hook($host::HOOK_ARTICLE_FILTER, $this); | |
19 | } | |
20 | ||
21 | function hook_article_filter($article) { | |
22 | $owner_uid = $article["owner_uid"]; | |
23 | ||
aa03bac4 | 24 | if (defined('NO_CURL') || !function_exists("curl_init") || ini_get("open_basedir")) |
9b725068 AD |
25 | return $article; |
26 | ||
eb161344 | 27 | if ((strpos($article["link"], "feedproxy.google.com") !== FALSE || |
a90952ec | 28 | strpos($article["link"], "/~r/") !== FALSE || |
e02555c1 | 29 | strpos($article["link"], "feedsportal.com") !== FALSE)) { |
9b725068 | 30 | |
4c467026 | 31 | $ch = curl_init($article["link"]); |
81153e6b | 32 | |
e02555c1 AD |
33 | curl_setopt($ch, CURLOPT_TIMEOUT, 5); |
34 | curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); | |
35 | curl_setopt($ch, CURLOPT_HEADER, true); | |
4c467026 | 36 | curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true); |
fb59c879 | 37 | curl_setopt($ch, CURLOPT_NOBODY, true); |
e02555c1 | 38 | curl_setopt($ch, CURLOPT_USERAGENT, SELF_USER_AGENT); |
9b725068 | 39 | |
05f14a7d AD |
40 | if (defined('_CURL_HTTP_PROXY')) { |
41 | curl_setopt($ch, CURLOPT_PROXY, _CURL_HTTP_PROXY); | |
42 | } | |
43 | ||
129d6263 | 44 | @curl_exec($ch); |
9b725068 | 45 | |
e02555c1 | 46 | $real_url = curl_getinfo($ch, CURLINFO_EFFECTIVE_URL); |
8c685908 | 47 | |
e02555c1 | 48 | curl_close($ch); |
8c685908 | 49 | |
e02555c1 AD |
50 | if ($real_url) { |
51 | /* remove the rest of it */ | |
8c685908 | 52 | |
e02555c1 | 53 | $query = parse_url($real_url, PHP_URL_QUERY); |
8c685908 | 54 | |
e02555c1 AD |
55 | if ($query && strpos($query, "utm_source") !== FALSE) { |
56 | $args = array(); | |
57 | parse_str($query, $args); | |
58 | ||
59 | foreach (array("utm_source", "utm_medium", "utm_campaign") as $param) { | |
60 | if (isset($args[$param])) unset($args[$param]); | |
61 | } | |
8c685908 | 62 | |
e02555c1 | 63 | $new_query = http_build_query($args); |
8c685908 | 64 | |
e02555c1 AD |
65 | if ($new_query != $query) { |
66 | $real_url = str_replace("?$query", "?$new_query", $real_url); | |
67 | } | |
8c685908 | 68 | } |
8c685908 | 69 | |
e02555c1 | 70 | $real_url = preg_replace("/\?$/", "", $real_url); |
1e6463fd | 71 | |
e02555c1 AD |
72 | $article["plugin_data"] = "unburn,$owner_uid:" . $article["plugin_data"]; |
73 | $article["link"] = $real_url; | |
74 | } | |
9b725068 AD |
75 | } |
76 | ||
77 | return $article; | |
78 | } | |
81153e6b | 79 | |
106a3de9 AD |
80 | function api_version() { |
81 | return 2; | |
82 | } | |
83 | ||
21ce7d9e | 84 | } |