<?php
namespace OAuth\Common\Storage;
use OAuth\Common\Token\TokenInterface;
use OAuth\Common\Storage\Exception\TokenNotFoundException;
use OAuth\Common\Storage\Exception\AuthorizationStateNotFoundException;
use Symfony\Component\HttpFoundation\Session\SessionInterface;
class SymfonySession implements TokenStorageInterface
{
private $session;
private $sessionVariableName;
private $stateVariableName;
/**
* @param SessionInterface $session
* @param bool $startSession
* @param string $sessionVariableName
* @param string $stateVariableName
*/
public function __construct(
SessionInterface $session,
$startSession = true,
$sessionVariableName = 'lusitanian_oauth_token',
$stateVariableName = 'lusitanian_oauth_state'
) {
$this->session = $session;
$this->sessionVariableName = $sessionVariableName;
$this->stateVariableName = $stateVariableName;
}
/**
* {@inheritDoc}
*/
public function retrieveAccessToken($service)
{
if ($this->hasAccessToken($service)) {
// get from session
$tokens = $this->session->get($this->sessionVariableName);
// one item
return $tokens[$service];
}
throw new TokenNotFoundException('Token not found in session, are you sure you stored it?');
}
/**
* {@inheritDoc}
*/
public function storeAccessToken($service, TokenInterface $token)
{
// get previously saved tokens
$tokens = $this->session->get($this->sessionVariableName);
if (!is_array($tokens)) {
$tokens = array();
}
$tokens[$service] = $token;
// save
$this->session->set($this->sessionVariableName, $tokens);
// allow chaining
return $this;
}
/**
* {@inheritDoc}
*/
public function hasAccessToken($service)
{
// get from session
$tokens = $this->session->get($this->sessionVariableName);
return is_array($tokens)
&& isset($tokens[$service])
&& $tokens[$service] instanceof TokenInterface;
}
/**
* {@inheritDoc}
*/
public function clearToken($service)
{
// get previously saved tokens
$tokens = $this->session->get($this->sessionVariableName);
if (is_array($tokens) && array_key_exists($service, $tokens)) {
unset($tokens[$service]);
// Replace the stored tokens array
$this->session->set($this->sessionVariableName, $tokens);
}
// allow chaining
return $this;
}
/**
* {@inheritDoc}
*/
public function clearAllTokens()
{
$this->session->remove($this->sessionVariableName);
// allow chaining
return $this;
}
/**
* {@inheritDoc}
*/
public function retrieveAuthorizationState($service)
{
if ($this->hasAuthorizationState($service)) {
// get from session
$states = $this->session->get($this->stateVariableName);
// one item
return $states[$service];
}
throw new AuthorizationStateNotFoundException('State not found in session, are you sure you stored it?');
}
/**
* {@inheritDoc}
*/
public function storeAuthorizationState($service, $state)
{
// get previously saved tokens
$states = $this->session->get($this->stateVariableName);
if (!is_array($states)) {
$states = array();
}
$states[$service] = $state;
// save
$this->session->set($this->stateVariableName, $states);
// allow chaining
return $this;
}
/**
* {@inheritDoc}
*/
public function hasAuthorizationState($service)
{
// get from session
$states = $this->session->get($this->stateVariableName);
return is_array($states)
&& isset($states[$service])
&& null !== $states[$service];
}
/**
* {@inheritDoc}
*/
public function clearAuthorizationState($service)
{
// get previously saved tokens
$states = $this->session->get($this->stateVariableName);
if (is_array($states) && array_key_exists($service, $states)) {
unset($states[$service]);
// Replace the stored tokens array
$this->session->set($this->stateVariableName, $states);
}
// allow chaining
return $this;
}
/**
* {@inheritDoc}
*/
public function clearAllAuthorizationStates()
{
$this->session->remove($this->stateVariableName);
// allow chaining
return $this;
}
/**
* @return Session
*/
public function getSession()
{
return $this->session;
}
}