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- 27.10.2014
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ServiceFactory.php
01 <?php
02 /**
03 * OAuth service factory.
04 *
05 * PHP version 5.4
06 *
07 * @category OAuth
08 * @author David Desberg <david@daviddesberg.com>
09 * @copyright Copyright (c) 2013 The authors
10 * @license http://www.opensource.org/licenses/mit-license.html MIT License
11 */
12 namespace OAuth;
13 use OAuth\Common\Service\ServiceInterface;
14 use OAuth\Common\Http\Client\ClientInterface;
15
16 class ServiceFactory
17 {
18 /** @var Common\Http\Client\ClientInterface */
19 private $httpClient;
20
21 /**
22 * @param Common\Http\Client\ClientInterface $httpClient
23 * @return ServiceFactory
24 */
25 public function setHttpClient(ClientInterface $httpClient)
26 {
27 $this->httpClient = $httpClient;
28 return $this;
29 }
30
31 /**
32 * @param $serviceName string name of service to create
33 * @param Common\Consumer\Credentials $credentials
34 * @param Common\Storage\TokenStorageInterface $storage
35 * @param array|null $scopes If creating an oauth2 service, array of scopes
36 * @return ServiceInterface
37 * @throws Common\Exception\Exception
38 */
39 public function createService($serviceName, Common\Consumer\Credentials $credentials, Common\Storage\TokenStorageInterface $storage, $scopes = array())
40 {
41 if( !$this->httpClient ) {
42 // for backwards compatibility.
43 $this->httpClient = new \OAuth\Common\Http\Client\StreamClient();
44 }
45
46 $serviceName = ucfirst($serviceName);
47 $v2ClassName = "\\OAuth\\OAuth2\\Service\\$serviceName";
48 $v1ClassName = "\\OAuth\\OAuth1\\Service\\$serviceName";
49
50 // if an oauth2 version exists, prefer it
51 if( class_exists($v2ClassName) ) {
52 // resolve scopes
53 $resolvedScopes = array();
54 $reflClass = new \ReflectionClass($v2ClassName);
55 $constants = $reflClass->getConstants();
56
57 foreach($scopes as $scope)
58 {
59 $key = strtoupper('SCOPE_' . $scope);
60 // try to find a class constant with this name
61 if( array_key_exists( $key, $constants ) ) {
62 $resolvedScopes[] = $constants[$key];
63 } else {
64 $resolvedScopes[] = $scope;
65 }
66 }
67
68 return new $v2ClassName($credentials, $this->httpClient, $storage, $resolvedScopes);
69 }
70
71 if( class_exists($v1ClassName) ) {
72 if(!empty($scopes)) {
73 throw new Common\Exception\Exception('Scopes passed to ServiceFactory::createService but an OAuth1 service was requested.');
74 }
75 $signature = new OAuth1\Signature\Signature($credentials);
76 return new $v1ClassName($credentials, $this->httpClient, $storage, $signature);
77 }
78
79 return null;
80 }
81 }
82