friendica/src/Network/FKOAuthDataStore.php

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<?php
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/**
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* @file src/Network/FKOAuthDataStore.php
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* OAuth server
* Based on oauth2-php <http://code.google.com/p/oauth2-php/>
*
*/
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namespace Friendica\Network;
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use Friendica\Core\Config;
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use Friendica\Core\Logger;
use Friendica\Database\DBA;
use Friendica\Util\Strings;
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use OAuthConsumer;
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use OAuthDataStore;
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use OAuthToken;
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define('REQUEST_TOKEN_DURATION', 300);
define('ACCESS_TOKEN_DURATION', 31536000);
/**
* @brief OAuthDataStore class
*/
class FKOAuthDataStore extends OAuthDataStore
{
/**
* @return string
* @throws \Exception
*/
private static function genToken()
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{
return Strings::getRandomHex(32);
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}
/**
* @param string $consumer_key key
* @return OAuthConsumer|null
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* @throws \Exception
*/
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public function lookup_consumer($consumer_key)
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{
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Logger::log(__function__ . ":" . $consumer_key);
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$s = DBA::select('clients', ['client_id', 'pw', 'redirect_uri'], ['client_id' => $consumer_key]);
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$r = DBA::toArray($s);
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if (DBA::isResult($r)) {
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return new OAuthConsumer($r[0]['client_id'], $r[0]['pw'], $r[0]['redirect_uri']);
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}
return null;
}
/**
* @param OAuthConsumer $consumer
* @param string $token_type
* @param string $token_id
* @return OAuthToken|null
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* @throws \Exception
*/
public function lookup_token(OAuthConsumer $consumer, $token_type, $token_id)
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{
Logger::log(__function__ . ":" . $consumer . ", " . $token_type . ", " . $token_id);
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$s = DBA::select('tokens', ['id', 'secret', 'scope', 'expires', 'uid'], ['client_id' => $consumer->key, 'scope' => $token_type, 'id' => $token_id]);
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$r = DBA::toArray($s);
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if (DBA::isResult($r)) {
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$ot = new OAuthToken($r[0]['id'], $r[0]['secret']);
$ot->scope = $r[0]['scope'];
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$ot->expires = $r[0]['expires'];
$ot->uid = $r[0]['uid'];
return $ot;
}
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return null;
}
/**
* @param OAuthConsumer $consumer
* @param OAuthToken $token
* @param string $nonce
* @param int $timestamp
* @return mixed
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* @throws \Exception
*/
public function lookup_nonce(OAuthConsumer $consumer, OAuthToken $token, $nonce, int $timestamp)
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{
$token = DBA::selectFirst('tokens', ['id', 'secret'], ['client_id' => $consumer->key, 'id' => $nonce, 'expires' => $timestamp]);
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if (DBA::isResult($token)) {
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return new OAuthToken($token['id'], $token['secret']);
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}
return null;
}
/**
* @param OAuthConsumer $consumer
* @param string $callback
* @return OAuthToken|null
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* @throws \Exception
*/
public function new_request_token(OAuthConsumer $consumer, $callback = null)
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{
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Logger::log(__function__ . ":" . $consumer . ", " . $callback);
$key = self::genToken();
$sec = self::genToken();
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if ($consumer->key) {
$k = $consumer->key;
} else {
$k = $consumer;
}
$r = DBA::insert(
'tokens',
[
'id' => $key,
'secret' => $sec,
'client_id' => $k,
'scope' => 'request',
'expires' => time() + REQUEST_TOKEN_DURATION
]
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);
if (!$r) {
return null;
}
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return new OAuthToken($key, $sec);
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}
/**
* @param OAuthToken $token token
* @param OAuthConsumer $consumer consumer
* @param string $verifier optional, defult null
* @return OAuthToken
* @throws \Exception
*/
public function new_access_token(OAuthToken $token, OAuthConsumer $consumer, $verifier = null)
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{
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Logger::log(__function__ . ":" . $token . ", " . $consumer . ", " . $verifier);
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// return a new access token attached to this consumer
// for the user associated with this token if the request token
// is authorized
// should also invalidate the request token
$ret = null;
// get user for this verifier
$uverifier = Config::get("oauth", $verifier);
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Logger::log(__function__ . ":" . $verifier . "," . $uverifier);
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if (is_null($verifier) || ($uverifier !== false)) {
$key = self::genToken();
$sec = self::genToken();
$r = DBA::insert(
'tokens',
[
'id' => $key,
'secret' => $sec,
'client_id' => $consumer->key,
'scope' => 'access',
'expires' => time() + ACCESS_TOKEN_DURATION,
'uid' => $uverifier
]
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);
if ($r) {
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$ret = new OAuthToken($key, $sec);
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}
}
DBA::delete('tokens', ['id' => $token->key]);
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if (!is_null($ret) && !is_null($uverifier)) {
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Config::delete("oauth", $verifier);
}
return $ret;
}
}