/**
* Issues a new token for a client asking to connect,
* OR returns an already generated token based on
* client IP if that token is not yet validated.
*
* In effect: only one token can be requested per IP at
* the same time, but any number of tokens can be valid
* for the same IP.
*
* This is done in part to prevent hammering, in part
* to prevent confusion if client accidentally requests
* two tokens and system administrator is unaware which
* one was intended.
*
* @return Token
*/
public function issueNewToken()
{
$clientIpLong = ip2long($_SERVER['REMOTE_ADDR']);
$existingUnvalidatedTokenRecord = $this->getDatabaseConnection()->exec_SELECTgetSingleRow('token', 'tx_rpc_token', sprintf('client_ip = %d AND validated = 0', $clientIpLong));
if ($existingUnvalidatedTokenRecord) {
return new Token($existingUnvalidatedTokenRecord['token']);
}
$token = new Token(sha1(microtime(TRUE) . $_SERVER['REMOTE_ADDR']));
$this->getDatabaseConnection()->exec_INSERTquery('tx_rpc_token', array('token' => $token->getTokenValue(), 'client_ip' => $clientIpLong));
return $token;
}
/**
* @param Token $token
* @param TaskInterface $task
* @return boolean
*/
public function tokenHasAccessToTask(Token $token, TaskInterface $task)
{
$tokenRecord = $this->getDatabaseConnection()->exec_SELECTgetSingleRow('allowed_tasks', 'tx_rpc_token', sprintf("token = '%s' AND validated = 1", $token->getTokenValue()));
return is_array($tokenRecord) && in_array($task->getTaskConfiguration()->getId(), GeneralUtility::trimExplode(',', $tokenRecord['allowed_tasks']));
}
/**
* @return string
*/
public function compile()
{
return json_encode(array('token' => $this->token->getTokenValue(), 'task' => $this->task, 'arguments' => $this->arguments), JSON_HEX_TAG | JSON_HEX_QUOT | JSON_HEX_AMP | JSON_HEX_APOS);
}