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 $consumer_key key
  37          * @return mixed
  38          * @throws \Exception
  39          */
  40         public function lookup_consumer($consumer_key)
  41         {
  42                 Logger::log(__function__ . ":" . $consumer_key);
  43
  44                 $s = DBA::select('clients', ['client_id', 'pw', 'redirect_uri'], ['client_id' => $consumer_key]);
  45                 $r = DBA::toArray($s);
  46
  47                 if (DBA::isResult($r)) {
  48                         return new OAuthConsumer($r[0]['client_id'], $r[0]['pw'], $r[0]['redirect_uri']);
  49                 }
  50
  51                 return null;
  52         }
  53
  54         /**
  55          * @param string $consumer   consumer
  56          * @param string $token_type type
  57          * @param string $token      token
  58          * @return mixed
  59          * @throws \Exception
  60          */
  61         public function lookup_token($consumer, $token_type, $token)
  62         {
  63                 Logger::log(__function__ . ":" . $consumer . ", " . $token_type . ", " . $token);
  64
  65                 $s = DBA::select('tokens', ['id', 'secret', 'scope', 'expires', 'uid'], ['client_id' => $consumer->key, 'scope' => $token_type, 'id' => $token]);
  66                 $r = DBA::toArray($s);
  67
  68                 if (DBA::isResult($r)) {
  69                         $ot = new OAuthToken($r[0]['id'], $r[0]['secret']);
  70                         $ot->scope = $r[0]['scope'];
  71                         $ot->expires = $r[0]['expires'];
  72                         $ot->uid = $r[0]['uid'];
  73                         return $ot;
  74                 }
  75
  76                 return null;
  77         }
  78
  79         /**
  80          * @param string $consumer  consumer
  81          * @param string $token     token
  82          * @param string $nonce     nonce
  83          * @param string $timestamp timestamp
  84          * @return mixed
  85          * @throws \Exception
  86          */
  87         public function lookup_nonce($consumer, $token, $nonce, $timestamp)
  88         {
  89                 $token = DBA::selectFirst('tokens', ['id', 'secret'], ['client_id' => $consumer->key, 'id' => $nonce, 'expires' => $timestamp]);
  90                 if (DBA::isResult($token)) {
  91                         return new OAuthToken($token['id'], $token['secret']);
  92                 }
  93
  94                 return null;
  95         }
  96
  97         /**
  98          * @param string $consumer consumer
  99          * @param string $callback optional, default null
 100          * @return mixed
 101          * @throws \Exception
 102          */
 103         public function new_request_token($consumer, $callback = null)
 104         {
 105                 Logger::log(__function__ . ":" . $consumer . ", " . $callback);
 106                 $key = self::genToken();
 107                 $sec = self::genToken();
 108
 109                 if ($consumer->key) {
 110                         $k = $consumer->key;
 111                 } else {
 112                         $k = $consumer;
 113                 }
 114
 115                 $r = DBA::insert(
 116                         'tokens',
 117                         [
 118                                 'id' => $key,
 119                                 'secret' => $sec,
 120                                 'client_id' => $k,
 121                                 'scope' => 'request',
 122                                 'expires' => time() + REQUEST_TOKEN_DURATION]
 123                 );
 124
 125                 if (!$r) {
 126                         return null;
 127                 }
 128
 129                 return new OAuthToken($key, $sec);
 130         }
 131
 132         /**
 133          * @param string $token    token
 134          * @param string $consumer consumer
 135          * @param string $verifier optional, defult null
 136          * @return object
 137          * @throws HTTPException\InternalServerErrorException
 138          */
 139         public function new_access_token($token, $consumer, $verifier = null)
 140         {
 141                 Logger::log(__function__ . ":" . $token . ", " . $consumer . ", " . $verifier);
 142
 143                 // return a new access token attached to this consumer
 144                 // for the user associated with this token if the request token
 145                 // is authorized
 146                 // should also invalidate the request token
 147
 148                 $ret = null;
 149
 150                 // get user for this verifier
 151                 $uverifier = Config::get("oauth", $verifier);
 152                 Logger::log(__function__ . ":" . $verifier . "," . $uverifier);
 153
 154                 if (is_null($verifier) || ($uverifier !== false)) {
 155                         $key = self::genToken();
 156                         $sec = self::genToken();
 157                         $r = DBA::insert(
 158                                 'tokens',
 159                                 [
 160                                         'id' => $key,
 161                                         'secret' => $sec,
 162                                         'client_id' => $consumer->key,
 163                                         'scope' => 'access',
 164                                         'expires' => time() + ACCESS_TOKEN_DURATION,
 165                                         'uid' => $uverifier]
 166                         );
 167
 168                         if ($r) {
 169                                 $ret = new OAuthToken($key, $sec);
 170                         }
 171                 }
 172
 173                 DBA::delete('tokens', ['id' => $token->key]);
 174
 175                 if (!is_null($ret) && !is_null($uverifier)) {
 176                         Config::delete("oauth", $verifier);
 177                 }
 178
 179                 return $ret;
 180         }
 181 }