src/Network/FKOAuthDataStore.php

   1 <?php
   2
   3 /**
   4  * @file src/Network/FKOAuthDataStore.php
   5  * OAuth server
   6  * Based on oauth2-php <http://code.google.com/p/oauth2-php/>
   7  *
   8  */
   9
  10 namespace Friendica\Network;
  11
  12 use Friendica\Core\Config;
  13 use Friendica\Core\Logger;
  14 use Friendica\Database\DBA;
  15 use OAuthConsumer;
  16 use OAuthDataStore;
  17 use OAuthToken;
  18
  19 define('REQUEST_TOKEN_DURATION', 300);
  20 define('ACCESS_TOKEN_DURATION', 31536000);
  21
  22 /**
  23  * @brief OAuthDataStore class
  24  */
  25 class FKOAuthDataStore extends OAuthDataStore
  26 {
  27         /**
  28          * @return string
  29          */
  30         private static function genToken()
  31         {
  32                 return md5(base64_encode(pack('N6', mt_rand(), mt_rand(), mt_rand(), mt_rand(), mt_rand(), uniqid())));
  33         }
  34
  35         /**
  36          * @param string $consumer_key key
  37          * @return mixed
  38          */
  39         public function lookup_consumer($consumer_key)
  40         {
  41                 Logger::log(__function__ . ":" . $consumer_key);
  42
  43                 $s = DBA::select('clients', ['client_id', 'pw', 'redirect_uri'], ['client_id' => $consumer_key]);
  44                 $r = DBA::toArray($s);
  45
  46                 if (DBA::isResult($r)) {
  47                         return new OAuthConsumer($r[0]['client_id'], $r[0]['pw'], $r[0]['redirect_uri']);
  48                 }
  49
  50                 return null;
  51         }
  52
  53         /**
  54          * @param string $consumer   consumer
  55          * @param string $token_type type
  56          * @param string $token      token
  57          * @return mixed
  58          */
  59         public function lookup_token($consumer, $token_type, $token)
  60         {
  61                 Logger::log(__function__ . ":" . $consumer . ", " . $token_type . ", " . $token);
  62
  63                 $s = DBA::select('tokens', ['id', 'secret', 'scope', 'expires', 'uid'], ['client_id' => $consumer->key, 'scope' => $token_type, 'id' => $token]);
  64                 $r = DBA::toArray($s);
  65
  66                 if (DBA::isResult($r)) {
  67                         $ot = new OAuthToken($r[0]['id'], $r[0]['secret']);
  68                         $ot->scope = $r[0]['scope'];
  69                         $ot->expires = $r[0]['expires'];
  70                         $ot->uid = $r[0]['uid'];
  71                         return $ot;
  72                 }
  73
  74                 return null;
  75         }
  76
  77         /**
  78          * @param string $consumer  consumer
  79          * @param string $token     token
  80          * @param string $nonce     nonce
  81          * @param string $timestamp timestamp
  82          * @return mixed
  83          */
  84         public function lookup_nonce($consumer, $token, $nonce, $timestamp)
  85         {
  86                 $token = DBA::selectFirst('tokens', ['id', 'secret'], ['client_id' => $consumer->key, 'id' => $nonce, 'expires' => $timestamp]);
  87                 if (DBA::isResult($token)) {
  88                         return new OAuthToken($token['id'], $token['secret']);
  89                 }
  90
  91                 return null;
  92         }
  93
  94         /**
  95          * @param string $consumer consumer
  96          * @param string $callback optional, default null
  97          * @return mixed
  98          */
  99         public function new_request_token($consumer, $callback = null)
 100         {
 101                 Logger::log(__function__ . ":" . $consumer . ", " . $callback);
 102                 $key = self::genToken();
 103                 $sec = self::genToken();
 104
 105                 if ($consumer->key) {
 106                         $k = $consumer->key;
 107                 } else {
 108                         $k = $consumer;
 109                 }
 110
 111                 $r = DBA::insert(
 112                         'tokens',
 113                         [
 114                                 'id' => $key,
 115                                 'secret' => $sec,
 116                                 'client_id' => $k,
 117                                 'scope' => 'request',
 118                                 'expires' => time() + REQUEST_TOKEN_DURATION]
 119                 );
 120
 121                 if (!$r) {
 122                         return null;
 123                 }
 124
 125                 return new OAuthToken($key, $sec);
 126         }
 127
 128         /**
 129          * @param string $token    token
 130          * @param string $consumer consumer
 131          * @param string $verifier optional, defult null
 132          * @return object
 133          */
 134         public function new_access_token($token, $consumer, $verifier = null)
 135         {
 136                 Logger::log(__function__ . ":" . $token . ", " . $consumer . ", " . $verifier);
 137
 138                 // return a new access token attached to this consumer
 139                 // for the user associated with this token if the request token
 140                 // is authorized
 141                 // should also invalidate the request token
 142
 143                 $ret = null;
 144
 145                 // get user for this verifier
 146                 $uverifier = Config::get("oauth", $verifier);
 147                 Logger::log(__function__ . ":" . $verifier . "," . $uverifier);
 148
 149                 if (is_null($verifier) || ($uverifier !== false)) {
 150                         $key = self::genToken();
 151                         $sec = self::genToken();
 152                         $r = DBA::insert(
 153                                 'tokens',
 154                                 [
 155                                         'id' => $key,
 156                                         'secret' => $sec,
 157                                         'client_id' => $consumer->key,
 158                                         'scope' => 'access',
 159                                         'expires' => time() + ACCESS_TOKEN_DURATION,
 160                                         'uid' => $uverifier]
 161                         );
 162
 163                         if ($r) {
 164                                 $ret = new OAuthToken($key, $sec);
 165                         }
 166                 }
 167
 168                 DBA::delete('tokens', ['id' => $token->key]);
 169
 170                 if (!is_null($ret) && !is_null($uverifier)) {
 171                         Config::delete("oauth", $verifier);
 172                 }
 173
 174                 return $ret;
 175         }
 176 }