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<?php
/**
* OAuth service factory.
*
* PHP version 5.4
*
* @category OAuth
* @author David Desberg <david@daviddesberg.com>
* @author Pieter Hordijk <info@pieterhordijk.com>
* @copyright Copyright (c) 2013 The authors
* @license http://www.opensource.org/licenses/mit-license.html MIT License
*/
namespace OAuth;
use OAuth\Common\Service\ServiceInterface;
use OAuth\Common\Consumer\CredentialsInterface;
use OAuth\Common\Storage\TokenStorageInterface;
use OAuth\Common\Http\Client\ClientInterface;
use OAuth\Common\Http\Client\StreamClient;
use OAuth\Common\Http\Uri\UriInterface;
use OAuth\Common\Exception\Exception;
use OAuth\OAuth1\Signature\Signature;
class ServiceFactory
{
/**
*@var ClientInterface
*/
protected $httpClient;
/**
* @var array
*/
protected $serviceClassMap = array(
'OAuth1' => array(),
'OAuth2' => array()
);
/**
* @var array
*/
protected $serviceBuilders = array(
'OAuth2' => 'buildV2Service',
'OAuth1' => 'buildV1Service',
);
/**
* @param ClientInterface $httpClient
*
* @return ServiceFactory
*/
public function setHttpClient(ClientInterface $httpClient)
{
$this->httpClient = $httpClient;
return $this;
}
/**
* Register a custom service to classname mapping.
*
* @param string $serviceName Name of the service
* @param string $className Class to instantiate
*
* @return ServiceFactory
*
* @throws Exception If the class is nonexistent or does not implement a valid ServiceInterface
*/
public function registerService($serviceName, $className)
{
if (!class_exists($className)) {
throw new Exception(sprintf('Service class %s does not exist.', $className));
}
$reflClass = new \ReflectionClass($className);
foreach (array('OAuth2', 'OAuth1') as $version) {
if ($reflClass->implementsInterface('OAuth\\' . $version . '\\Service\\ServiceInterface')) {
$this->serviceClassMap[$version][ucfirst($serviceName)] = $className;
return $this;
}
}
throw new Exception(sprintf('Service class %s must implement ServiceInterface.', $className));
}
/**
* Builds and returns oauth services
*
* It will first try to build an OAuth2 service and if none found it will try to build an OAuth1 service
*
* @param string $serviceName Name of service to create
* @param CredentialsInterface $credentials
* @param TokenStorageInterface $storage
* @param array|null $scopes If creating an oauth2 service, array of scopes
* @param UriInterface|null $baseApiUri
* @param string $apiVersion version of the api call
*
* @return ServiceInterface
*/
public function createService(
$serviceName,
CredentialsInterface $credentials,
TokenStorageInterface $storage,
$scopes = array(),
UriInterface $baseApiUri = null,
$apiVersion = ""
) {
if (!$this->httpClient) {
// for backwards compatibility.
$this->httpClient = new StreamClient();
}
foreach ($this->serviceBuilders as $version => $buildMethod) {
$fullyQualifiedServiceName = $this->getFullyQualifiedServiceName($serviceName, $version);
if (class_exists($fullyQualifiedServiceName)) {
return $this->$buildMethod(
$fullyQualifiedServiceName,
$credentials,
$storage,
$scopes,
$baseApiUri,
$apiVersion
);
}
}
return null;
}
/**
* Gets the fully qualified name of the service
*
* @param string $serviceName The name of the service of which to get the fully qualified name
* @param string $type The type of the service to get (either OAuth1 or OAuth2)
*
* @return string The fully qualified name of the service
*/
private function getFullyQualifiedServiceName($serviceName, $type)
{
$serviceName = ucfirst($serviceName);
if (isset($this->serviceClassMap[$type][$serviceName])) {
return $this->serviceClassMap[$type][$serviceName];
}
return '\\OAuth\\' . $type . '\\Service\\' . $serviceName;
}
/**
* Builds v2 services
*
* @param string $serviceName The fully qualified service name
* @param CredentialsInterface $credentials
* @param TokenStorageInterface $storage
* @param array|null $scopes Array of scopes for the service
* @param UriInterface|null $baseApiUri
*
* @return ServiceInterface
*
* @throws Exception
*/
private function buildV2Service(
$serviceName,
CredentialsInterface $credentials,
TokenStorageInterface $storage,
array $scopes,
UriInterface $baseApiUri = null,
$apiVersion = ""
) {
return new $serviceName(
$credentials,
$this->httpClient,
$storage,
$this->resolveScopes($serviceName, $scopes),
$baseApiUri,
$apiVersion
);
}
/**
* Resolves scopes for v2 services
*
* @param string $serviceName The fully qualified service name
* @param array $scopes List of scopes for the service
*
* @return array List of resolved scopes
*/
private function resolveScopes($serviceName, array $scopes)
{
$reflClass = new \ReflectionClass($serviceName);
$constants = $reflClass->getConstants();
$resolvedScopes = array();
foreach ($scopes as $scope) {
$key = strtoupper('SCOPE_' . $scope);
if (array_key_exists($key, $constants)) {
$resolvedScopes[] = $constants[$key];
} else {
$resolvedScopes[] = $scope;
}
}
return $resolvedScopes;
}
/**
* Builds v1 services
*
* @param string $serviceName The fully qualified service name
* @param CredentialsInterface $credentials
* @param TokenStorageInterface $storage
* @param array $scopes
* @param UriInterface $baseApiUri
*
* @return ServiceInterface
*
* @throws Exception
*/
private function buildV1Service(
$serviceName,
CredentialsInterface $credentials,
TokenStorageInterface $storage,
$scopes,
UriInterface $baseApiUri = null
) {
if (!empty($scopes)) {
throw new Exception(
'Scopes passed to ServiceFactory::createService but an OAuth1 service was requested.'
);
}
return new $serviceName($credentials, $this->httpClient, $storage, new Signature($credentials), $baseApiUri);
}
}

vendor/lusitanian/oauth/src/OAuth/ServiceFactory.php line 73