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                <?php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                namespace Kobas\APIClient\Auth;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use GuzzleHttp\Exception\ConnectException;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Kobas\APIClient\Exception\AuthenticationException;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Kobas\APIClient\Exception\CurlException;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use League\OAuth2\Client\Provider\Exception\IdentityProviderException;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use League\OAuth2\Client\Token\AccessToken;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Kobas\OAuth2\Client\Provider\Kobas as OAuthProvider;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * Class OAuthSigner  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @package Kobas\APIClient\Auth  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                class Provider  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @var AccessToken[]  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    protected static $tokens;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @var int  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    protected $companyId;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @var string  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    protected $clientId;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @var string  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    protected $clientSecret;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @var string  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    protected $scopes;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @var string  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    protected $url;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * OAuthSigner constructor.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param int $companyId  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param string $clientId  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param string $clientSecret  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param string $scopes  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param string $url  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                     */  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    public function __construct($companyId, $clientId, $clientSecret, $scopes, $url = 'https://oauth.kobas.co.uk')  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    { | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $this->companyId = (int)$companyId;  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $this->clientId = (string)$clientId;  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $this->clientSecret = (string)$clientSecret;  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $this->scopes = (string)$scopes;  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $this->url = (string)$url;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @return string  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function getUrl()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return $this->url;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param $url  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function setUrl($url)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->url = $url;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @return int  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function getCompanyId()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return $this->companyId;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @return string  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @throws AuthenticationException  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @throws CurlException  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function getAccessToken()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $provider = $this->getProvider();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        if (!is_array(self::$tokens) ||  | 
            
                            
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                            !array_key_exists($provider->companyId, self::$tokens) ||  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            !self::$tokens[$provider->companyId] instanceof AccessToken ||  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            self::$tokens[$provider->companyId]->hasExpired()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            try { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                self::$tokens[$provider->companyId] = $provider->getAccessToken(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                    'client_credentials',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                    ['scope' => $this->scopes]  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                             3                          | 
                
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                            } catch (IdentityProviderException $e) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                throw new AuthenticationException($e->getMessage(), $e->getCode());  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            } catch (ConnectException $e) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                throw new CurlException($e->getMessage(), $e->getCode());  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return self::$tokens[$provider->companyId]->getToken();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @return OAuthProvider  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                             3                          | 
                
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                    public function getProvider()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                             2                          | 
                
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                             3                          | 
                
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                        $provider = new OAuthProvider([  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            'clientId' => $this->clientId,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            'clientSecret' => $this->clientSecret,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                             3                          | 
                
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                            'companyId' => $this->companyId,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                             3                          | 
                
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                            'url' => $this->url  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                             2                          | 
                
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                        ]);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return $provider;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                }  | 
            
            
                                                        
            
                                    
            
            
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