src/Core/Network.php

   1 <?php\r
   2 \r
   3 /*\r
   4  * @file src/Core/Network.php\r
   5  */\r
   6 \r
   7 namespace Friendica\Core;\r
   8 \r
   9 use Friendica\Util;\r
  10 \r
  11 /**\r
  12  * Manage compatibility with federated networks\r
  13  *\r
  14  * @author Hypolite Petovan <mrpetovan@gmail.com>\r
  15  */\r
  16 class Network\r
  17 {\r
  18         const DFRN      = 'dfrn';    // Friendica, Mistpark, other DFRN implementations\r
  19         const DIASPORA  = 'dspr';    // Diaspora\r
  20         const DIASPORA2 = 'dspc';    // Diaspora connector\r
  21         const STATUSNET = 'stac';    // Statusnet connector\r
  22         const OSTATUS   = 'stat';    // GNU-social, Pleroma, Mastodon, other OStatus implementations\r
  23         const FEED      = 'feed';    // RSS/Atom feeds with no known "post/notify" protocol\r
  24         const MAIL      = 'mail';    // IMAP/POP\r
  25         const XMPP      = 'xmpp';    // XMPP - Currently unsupported\r
  26 \r
  27         const FACEBOOK  = 'face';    // Facebook API\r
  28         const LINKEDIN  = 'lnkd';    // LinkedIn\r
  29         const MYSPACE   = 'mysp';    // MySpace - Currently unsupported\r
  30         const GPLUS     = 'goog';    // Google+\r
  31         const PUMPIO    = 'pump';    // pump.io\r
  32         const TWITTER   = 'twit';    // Twitter\r
  33         const APPNET    = 'apdn';    // app.net - Dead protocol\r
  34 \r
  35         const NEWS      = 'nntp';    // Network News Transfer Protocol - Currently unsupported\r
  36         const ICALENDAR = 'ical';    // iCalendar - Currently unsupported\r
  37         const PNUT      = 'pnut';    // pnut.io - Currently unsupported\r
  38         const ZOT       = 'zot!';    // Zot! - Currently unsupported\r
  39 \r
  40         const PHANTOM   = 'unkn';    // Place holder\r
  41 \r
  42         /**\r
  43          * Returns the address string for the provided profile URL\r
  44          *\r
  45          * @param string $profile_url\r
  46          * @return string\r
  47          * @throws Exception\r
  48          */\r
  49         public static function getAddrFromProfileUrl($profile_url)\r
  50         {\r
  51                 $network = self::matchByProfileUrl($profile_url, $matches);\r
  52 \r
  53                 if ($network === self::PHANTOM) {\r
  54                         throw new Exception('Unknown network for profile URL: ' . $profile_url);\r
  55                 }\r
  56 \r
  57                 $addr = $matches[2] . '@' . $matches[1];\r
  58 \r
  59                 return $addr;\r
  60         }\r
  61 \r
  62         /**\r
  63          * Guesses the network from a profile URL\r
  64          *\r
  65          * @param string $profile_url\r
  66          * @param array  $matches     preg_match return array: [0] => Full match [1] => hostname [2] => username\r
  67          * @return type\r
  68          */\r
  69         public static function matchByProfileUrl($profile_url, &$matches = [])\r
  70         {\r
  71                 if (preg_match('=https?://(twitter\.com)/(.*)=ism', $profile_url, $matches)) {\r
  72                         return self::TWITTER;\r
  73                 }\r
  74 \r
  75                 if (preg_match('=https?://(alpha\.app\.net)/(.*)=ism', $profile_url, $matches)) {\r
  76                         return self::APPNET;\r
  77                 }\r
  78 \r
  79                 if (preg_match('=https?://(plus\.google\.com)/(.*)=ism', $profile_url, $matches)) {\r
  80                         return self::GPLUS;\r
  81                 }\r
  82 \r
  83                 if (preg_match('=https?://(.*)/profile/(.*)=ism', $profile_url, $matches)) {\r
  84                         return self::DFRN;\r
  85                 }\r
  86 \r
  87                 if (preg_match('=https?://(.*)/u/(.*)=ism', $profile_url, $matches)) {\r
  88                         return self::DIASPORA;\r
  89                 }\r
  90 \r
  91                 if (preg_match('=https?://(.*)/channel/(.*)=ism', $profile_url, $matches)) {\r
  92                         // RedMatrix/Hubzilla is identified as Diaspora - friendica can't connect directly to it\r
  93                         return self::DIASPORA;\r
  94                 }\r
  95 \r
  96                 if (preg_match('=https?://(.*)/user/(.*)=ism', $profile_url, $matches)) {\r
  97                         $statusnet_host = $matches[1];\r
  98                         $statusnet_user = $matches[2];\r
  99                         $UserData = Util\Network::fetchUrl('http://' . $statusnet_host . '/api/users/show.json?user_id=' . $statusnet_user);\r
 100                         $user = json_decode($UserData);\r
 101                         if ($user) {\r
 102                                 $matches[2] = $user->screen_name;\r
 103                                 return self::STATUSNET;\r
 104                         }\r
 105                 }\r
 106 \r
 107                 // pumpio (http://host.name/user)\r
 108                 if (preg_match('=https?://([\.\w]+)/([\.\w]+)$=ism', $profile_url, $matches)) {\r
 109                         return self::PUMPIO;\r
 110                 }\r
 111 \r
 112                 return self::PHANTOM;\r
 113         }\r
 114 \r
 115         /**\r
 116          * Returns a formatted mention from a profile URL and a display name\r
 117          *\r
 118          * @param string $profile_url\r
 119          * @param string $display_name\r
 120          * @return string\r
 121          */\r
 122         public static function formatMention($profile_url, $display_name)\r
 123         {\r
 124                 return $display_name . '(' . self::getAddrFromProfileUrl($profile_url) . ')';\r
 125         }\r
 126 }\r