1<?php
2
3namespace OAuth\OAuth2\Service;
4
5use OAuth\OAuth2\Service\AbstractService;
6use OAuth\OAuth2\Token\StdOAuth2Token;
7use OAuth\Common\Http\Exception\TokenResponseException;
8use OAuth\Common\Http\Uri\Uri;
9use OAuth\Common\Consumer\CredentialsInterface;
10use OAuth\Common\Http\Client\ClientInterface;
11use OAuth\Common\Storage\TokenStorageInterface;
12use OAuth\Common\Http\Uri\UriInterface;
13
14class Salesforce extends AbstractService
15{
16    /**
17     * Scopes
18     *
19     * @var string
20     */
21    const   SCOPE_API           =   'api',
22            SCOPE_REFRESH_TOKEN =   'refresh_token';
23
24    /**
25     * {@inheritdoc}
26     */
27    public function getAuthorizationEndpoint()
28    {
29        return new Uri('https://login.salesforce.com/services/oauth2/authorize');
30    }
31
32    /**
33     * {@inheritdoc}
34     */
35    public function getAccessTokenEndpoint()
36    {
37        return new Uri('https://login.salesforce.com/services/oauth2/token');
38    }
39
40    /**
41     * {@inheritdoc}
42     */
43    protected function parseRequestTokenResponse($responseBody)
44    {
45        parse_str($responseBody, $data);
46
47        if (null === $data || !is_array($data)) {
48            throw new TokenResponseException('Unable to parse response.');
49        } elseif (!isset($data['oauth_callback_confirmed']) || $data['oauth_callback_confirmed'] !== 'true') {
50            throw new TokenResponseException('Error in retrieving token.');
51        }
52
53        return $this->parseAccessTokenResponse($responseBody);
54    }
55
56    /**
57     * {@inheritdoc}
58     */
59    protected function parseAccessTokenResponse($responseBody)
60    {
61        $data = json_decode($responseBody, true);
62
63        if (null === $data || !is_array($data)) {
64            throw new TokenResponseException('Unable to parse response.');
65        } elseif (isset($data['error'])) {
66            throw new TokenResponseException('Error in retrieving token: "' . $data['error'] . '"');
67        }
68
69        $token = new StdOAuth2Token();
70        $token->setAccessToken($data['access_token']);
71        // Salesforce tokens evidently never expire...
72        $token->setEndOfLife(StdOAuth2Token::EOL_NEVER_EXPIRES);
73        unset($data['access_token']);
74
75        if (isset($data['refresh_token'])) {
76            $token->setRefreshToken($data['refresh_token']);
77            unset($data['refresh_token']);
78        }
79
80        $token->setExtraParams($data);
81
82        return $token;
83    }
84
85    /**
86     * {@inheritdoc}
87     */
88    protected function getExtraOAuthHeaders()
89    {
90        return array('Accept' => 'application/json');
91    }
92}
93