| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  | namespace Dropbox\Authentication; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  | use Dropbox\DropboxApp; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  | use Dropbox\DropboxClient; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  | use Dropbox\DropboxRequest; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  | use Dropbox\Security\RandomStringGeneratorInterface; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  | class OAuth2Client | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  | { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  |      * The Base URL | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  |      * @const string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  |     const BASE_URL = "https://dropbox.com"; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  |      * Auth Token URL | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  |      * @const string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  |     const AUTH_TOKEN_URL = "https://api.dropboxapi.com/oauth2/token"; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  |      * The Dropbox App | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  |      * @var \Dropbox\DropboxApp | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  |     protected $app; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  |      * The Dropbox Client | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  |      * @var \Dropbox\DropboxClient | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  |     protected $client; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  |      * Random String Generator | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  |      * @var \Dropbox\Security\RandomStringGeneratorInterface | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  |     protected $randStrGenerator; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  |      * Create a new DropboxApp instance | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  |      * @param \Dropbox\DropboxApp $app | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  |      * @param \Dropbox\DropboxClient $client | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  |      * @param \Dropbox\Security\RandomStringGeneratorInterface $randStrGenerator | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  |     public function __construct(DropboxApp $app, DropboxClient $client, RandomStringGeneratorInterface $randStrGenerator = null) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  |         $this->app = $app; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  |         $this->client = $client; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 |  |  |         $this->randStrGenerator = $randStrGenerator; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  |      * Build URL | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 |  |  |      * @param  string $endpoint | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  |      * @param  array  $params   Query Params | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 |  |  |      * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 |  |  |     protected function buildUrl($endpoint = '', array $params = []) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 |  |  |         $queryParams = http_build_query($params); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 |  |  |         return static::BASE_URL . $endpoint . '?' . $queryParams; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 76 |  |  |      * Get the Dropbox App | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 78 |  |  |      * @return \Dropbox\DropboxApp | 
            
                                                                                                            
                            
            
                                    
            
            
                | 79 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 80 |  |  |     public function getApp() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 81 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 82 |  |  |         return $this->app; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 84 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 85 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 86 |  |  |      * Get the Dropbox Client | 
            
                                                                                                            
                            
            
                                    
            
            
                | 87 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 88 |  |  |      * @return \Dropbox\DropboxClient | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 89 |  |  |      */ | 
            
                                                                        
                            
            
                                    
            
            
                | 90 |  |  |     public function getClient() | 
            
                                                                        
                            
            
                                    
            
            
                | 91 |  |  |     { | 
            
                                                                        
                            
            
                                    
            
            
                | 92 |  |  |         return $this->client; | 
            
                                                                        
                            
            
                                    
            
            
                | 93 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 94 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 95 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 96 |  |  |      * Get the OAuth2 Authorization URL | 
            
                                                                                                            
                            
            
                                    
            
            
                | 97 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 98 |  |  |      * @param string $redirectUri Callback URL to redirect user after authorization. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 99 |  |  |      *                            If null is passed, redirect_uri will be omitted | 
            
                                                                                                            
                            
            
                                    
            
            
                | 100 |  |  |      *                            from the url and the code will be presented directly | 
            
                                                                                                            
                            
            
                                    
            
            
                | 101 |  |  |      *                            to the user. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 102 |  |  |      * @param string $state       CSRF Token | 
            
                                                                                                            
                            
            
                                    
            
            
                | 103 |  |  |      * @param array  $params      Additional Params | 
            
                                                                                                            
                            
            
                                    
            
            
                | 104 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 105 |  |  |      * @link https://www.dropbox.com/developers/documentation/http/documentation#oauth2-authorize | 
            
                                                                                                            
                            
            
                                    
            
            
                | 106 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 107 |  |  |      * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 108 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 109 |  |  |     public function getAuthorizationUrl($redirectUri = null, $state = null, array $params = []) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 110 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 111 |  |  |         //Request Parameters | 
            
                                                                                                            
                            
            
                                    
            
            
                | 112 |  |  |         $params = array_merge([ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 113 |  |  |             'client_id' => $this->getApp()->getClientId(), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 114 |  |  |             'response_type' => 'code', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 115 |  |  |             'state' => $state, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 116 |  |  |             ], $params); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 117 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 118 |  |  |         if (!is_null($redirectUri)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 119 |  |  |             $params['redirect_uri'] = $redirectUri; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 120 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 121 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 122 |  |  |         return $this->buildUrl('/oauth2/authorize', $params); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 123 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 124 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 125 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 126 |  |  |      * Get Access Token | 
            
                                                                                                            
                            
            
                                    
            
            
                | 127 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 128 |  |  |      * @param  string $code        Authorization Code | 
            
                                                                                                            
                            
            
                                    
            
            
                | 129 |  |  |      * @param  string $redirectUri Redirect URI used while getAuthorizationUrl | 
            
                                                                                                            
                            
            
                                    
            
            
                | 130 |  |  |      * @param  string $grant_type  Grant Type ['authorization_code'] | 
            
                                                                                                            
                            
            
                                    
            
            
                | 131 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 132 |  |  |      * @return array | 
            
                                                                                                            
                            
            
                                    
            
            
                | 133 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 134 |  |  |     public function getAccessToken($code, $redirectUri = null, $grant_type = 'authorization_code') | 
            
                                                                                                            
                            
            
                                    
            
            
                | 135 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 136 |  |  |         //Request Params | 
            
                                                                                                            
                            
            
                                    
            
            
                | 137 |  |  |         $params = [ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 138 |  |  |         'code' => $code, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 139 |  |  |         'grant_type' => $grant_type, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 140 |  |  |         'client_id' => $this->getApp()->getClientId(), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 141 |  |  |         'client_secret' => $this->getApp()->getClientSecret(), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 142 |  |  |         'redirect_uri' => $redirectUri | 
            
                                                                                                            
                            
            
                                    
            
            
                | 143 |  |  |         ]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 144 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 145 |  |  |         $params = http_build_query($params); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 146 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 147 |  |  |         $apiUrl = static::AUTH_TOKEN_URL; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 148 |  |  |         $uri = $apiUrl . "?" . $params; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 149 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 150 |  |  |         //Send Request through the DropboxClient | 
            
                                                                                                            
                            
            
                                    
            
            
                | 151 |  |  |         //Fetch the Response (DropboxRawResponse) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 152 |  |  |         $response = $this->getClient() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 153 |  |  |         ->getHttpClient() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 154 |  |  |         ->send($uri, "POST", null); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 155 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 156 |  |  |         //Fetch Response Body | 
            
                                                                                                            
                            
            
                                    
            
            
                | 157 |  |  |         $body = $response->getBody(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 158 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 159 |  |  |         //Decode the Response body to associative array | 
            
                                                                                                            
                            
            
                                    
            
            
                | 160 |  |  |         //and return | 
            
                                                                                                            
                            
            
                                    
            
            
                | 161 |  |  |         return json_decode((string) $body, true); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 162 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 163 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 164 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 165 |  |  |      * Disables the access token | 
            
                                                                                                            
                            
            
                                    
            
            
                | 166 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 167 |  |  |      * @return void | 
            
                                                                                                            
                            
            
                                    
            
            
                | 168 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 169 |  |  |     public function revokeAccessToken() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 170 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 171 |  |  |         //Access Token | 
            
                                                                                                            
                            
            
                                    
            
            
                | 172 |  |  |         $accessToken = $this->getApp()->getAccessToken(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 173 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 174 |  |  |         //Request | 
            
                                                                                                            
                            
            
                                    
            
            
                | 175 |  |  |         $request = new DropboxRequest("POST", "/auth/token/revoke", $accessToken); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 176 |  |  |         // Do not validate the response | 
            
                                                                                                            
                            
            
                                    
            
            
                | 177 |  |  |         // since the /token/revoke endpoint | 
            
                                                                                                            
                            
            
                                    
            
            
                | 178 |  |  |         // doesn't return anything in the response. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 179 |  |  |         // See: https://www.dropbox.com/developers/documentation/http/documentation#auth-token-revoke | 
            
                                                                                                            
                            
            
                                    
            
            
                | 180 |  |  |         $request->setParams(['validateResponse' => false]); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 181 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 182 |  |  |         //Revoke Access Token | 
            
                                                                                                            
                            
            
                                    
            
            
                | 183 |  |  |         $this->getClient()->sendRequest($request); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 184 |  |  |     } | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 185 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 186 |  |  |  |