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<?php |
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namespace PeterColes\Betfair\Api; |
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use PeterColes\Betfair\Api\BaseApi; |
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class Auth extends BaseApi |
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{ |
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/** |
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* Betfair API endpoint for authentication requests |
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*/ |
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const ENDPOINT = 'https://identitysso.betfair.com/api/'; |
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/** |
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* 4 hours, expressed in seconds |
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*/ |
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const SESSION_LENGTH = 4 * 60 * 60; |
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/** |
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* Application key, provided by Betfair on registration |
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*/ |
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public static $appKey = null; |
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/** |
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* Session token, provided by Betfair at login |
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*/ |
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public static $sessionToken = null; |
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/** |
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* Time of last login, expressed in seconds since the Unix Epoch |
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*/ |
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public static $lastLogin = null; |
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/** |
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* Wrapper method for other methods to initiate and manage a Betfair session |
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* |
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* @param string $appKey |
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* @param string $username |
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* @param string $password |
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*/ |
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public function init($appKey, $username, $password) |
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{ |
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if ($appKey == self::$appKey && $this->sessionRemaining() > 5) { |
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$this->keepAlive(); |
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} else { |
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self::$appKey = $appKey; |
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self::$sessionToken = $this->login($appKey, $username, $password); |
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} |
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} |
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/** |
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* Accept app key and session token and extend session |
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* |
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* @param string $appKey |
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* @param string $sessionToken |
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*/ |
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public function persist($appKey, $sessionToken) |
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{ |
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self::$appKey = $appKey; |
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self::$sessionToken = $sessionToken; |
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$this->keepAlive(); |
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} |
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/** |
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* Method to directly execute Betfair login request. |
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* For use only when the init() method isn't appropriate |
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* |
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* @param string $appKey |
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* @param string $username |
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* @param string $password |
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*/ |
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public function login($appKey, $username, $password) |
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{ |
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$result = $this->httpClient |
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->setMethod('post') |
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->setEndPoint(self::ENDPOINT.'login/') |
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->authHeaders([ 'X-Application' => $appKey ]) |
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->setFormData([ 'username' => $username, 'password' => $password ]) |
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->send(); |
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self::$lastLogin = time(); |
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return $result->token; |
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} |
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/** |
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* Execute Betfair API call to extend the current session |
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*/ |
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public function keepAlive() |
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{ |
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$this->httpClient |
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->setEndPoint(self::ENDPOINT.'keepAlive/') |
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->authHeaders() |
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->send(); |
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self::$lastLogin = time(); |
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} |
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/** |
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* Execute Betfair API call to logout from their system. |
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* Clear all local references to the session. |
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*/ |
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public function logout() |
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{ |
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$this->httpClient |
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->setEndPoint(self::ENDPOINT.'logout/') |
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->authHeaders() |
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->send(); |
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self::$appKey = null; |
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self::$sessionToken = null; |
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self::$lastLogin = null; |
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} |
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/** |
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* Calculate and provide the time remaining until the current session token expires |
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*/ |
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public function sessionRemaining() |
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{ |
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return self::$lastLogin + self::SESSION_LENGTH - time(); |
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} |
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} |
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petercoles /
Betfair-Exchange
