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<?php |
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/** |
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* Copyright 2014 Freemius, Inc. |
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* |
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* Licensed under the GPL v2 (the "License"); you may |
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* not use this file except in compliance with the License. You may obtain |
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* a copy of the License at |
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* |
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* http://choosealicense.com/licenses/gpl-v2/ |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
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* License for the specific language governing permissions and limitations |
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* under the License. |
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*/ |
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|
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if ( ! defined( 'ABSPATH' ) ) { |
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exit; |
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} |
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|
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if ( ! defined( 'FS_API__VERSION' ) ) { |
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define( 'FS_API__VERSION', '1' ); |
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} |
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if ( ! defined( 'FS_SDK__PATH' ) ) { |
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define( 'FS_SDK__PATH', dirname( __FILE__ ) ); |
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} |
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if ( ! defined( 'FS_SDK__EXCEPTIONS_PATH' ) ) { |
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define( 'FS_SDK__EXCEPTIONS_PATH', FS_SDK__PATH . '/Exceptions/' ); |
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} |
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|
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if ( ! function_exists( 'json_decode' ) ) { |
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throw new Exception( 'Freemius needs the JSON PHP extension.' ); |
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} |
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|
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// Include all exception files. |
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$exceptions = array( |
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'Exception', |
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'InvalidArgumentException', |
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'ArgumentNotExistException', |
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'EmptyArgumentException', |
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'OAuthException' |
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); |
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|
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foreach ( $exceptions as $e ) { |
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require_once FS_SDK__EXCEPTIONS_PATH . $e . '.php'; |
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} |
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|
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if ( class_exists( 'Freemius_Api_Base' ) ) { |
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return; |
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} |
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|
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abstract class Freemius_Api_Base { |
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const VERSION = '1.0.4'; |
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const FORMAT = 'json'; |
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|
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protected $_id; |
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protected $_public; |
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protected $_secret; |
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protected $_scope; |
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protected $_isSandbox; |
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|
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/** |
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* @param string $pScope 'app', 'developer', 'plugin', 'user' or 'install'. |
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* @param number $pID Element's id. |
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* @param string $pPublic Public key. |
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* @param string $pSecret Element's secret key. |
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* @param bool $pIsSandbox Whether or not to run API in sandbox mode. |
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*/ |
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public function Init( $pScope, $pID, $pPublic, $pSecret, $pIsSandbox = false ) { |
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$this->_id = $pID; |
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$this->_public = $pPublic; |
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$this->_secret = $pSecret; |
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$this->_scope = $pScope; |
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$this->_isSandbox = $pIsSandbox; |
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} |
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|
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public function IsSandbox() { |
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return $this->_isSandbox; |
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} |
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|
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function CanonizePath( $pPath ) { |
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$pPath = trim( $pPath, '/' ); |
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$query_pos = strpos( $pPath, '?' ); |
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$query = ''; |
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|
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if ( false !== $query_pos ) { |
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$query = substr( $pPath, $query_pos ); |
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$pPath = substr( $pPath, 0, $query_pos ); |
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} |
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|
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// Trim '.json' suffix. |
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$format_length = strlen( '.' . self::FORMAT ); |
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$start = $format_length * ( - 1 ); //negative |
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if ( substr( strtolower( $pPath ), $start ) === ( '.' . self::FORMAT ) ) { |
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$pPath = substr( $pPath, 0, strlen( $pPath ) - $format_length ); |
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} |
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|
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switch ( $this->_scope ) { |
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case 'app': |
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$base = '/apps/' . $this->_id; |
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break; |
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case 'developer': |
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$base = '/developers/' . $this->_id; |
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break; |
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case 'user': |
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$base = '/users/' . $this->_id; |
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break; |
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case 'plugin': |
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$base = '/plugins/' . $this->_id; |
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break; |
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case 'install': |
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$base = '/installs/' . $this->_id; |
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break; |
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default: |
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throw new Freemius_Exception( 'Scope not implemented.' ); |
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} |
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|
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return '/v' . FS_API__VERSION . $base . |
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( ! empty( $pPath ) ? '/' : '' ) . $pPath . |
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( ( false === strpos( $pPath, '.' ) ) ? '.' . self::FORMAT : '' ) . $query; |
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} |
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|
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abstract function MakeRequest( $pCanonizedPath, $pMethod = 'GET', $pParams = array() ); |
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|
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/** |
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* @param string $pPath |
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* @param string $pMethod |
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* @param array $pParams |
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* |
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* @return object[]|object|null |
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*/ |
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private function _Api( $pPath, $pMethod = 'GET', $pParams = array() ) { |
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$pMethod = strtoupper( $pMethod ); |
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|
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try { |
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$result = $this->MakeRequest( $pPath, $pMethod, $pParams ); |
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} catch ( Freemius_Exception $e ) { |
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// Map to error object. |
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$result = (object) $e->getResult(); |
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} catch ( Exception $e ) { |
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// Map to error object. |
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$result = (object) array( |
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'error' => (object) array( |
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'type' => 'Unknown', |
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'message' => $e->getMessage() . ' (' . $e->getFile() . ': ' . $e->getLine() . ')', |
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'code' => 'unknown', |
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'http' => 402 |
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) |
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); |
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} |
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|
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return $result; |
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} |
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|
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public function Api( $pPath, $pMethod = 'GET', $pParams = array() ) { |
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return $this->_Api( $this->CanonizePath( $pPath ), $pMethod, $pParams ); |
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} |
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|
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/** |
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* Base64 decoding that does not need to be urldecode()-ed. |
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* |
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* Exactly the same as PHP base64 encode except it uses |
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* `-` instead of `+` |
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* `_` instead of `/` |
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* No padded = |
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* |
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* @param string $input Base64UrlEncoded() string |
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* |
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* @return string |
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*/ |
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protected static function Base64UrlDecode( $input ) { |
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/** |
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* IMPORTANT NOTE: |
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* This is a hack suggested by @otto42 and @greenshady from |
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* the theme's review team. The usage of base64 for API |
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* signature encoding was approved in a Slack meeting |
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* held on Tue (10/25 2016). |
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* |
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* @todo Remove this hack once the base64 error is removed from the Theme Check. |
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* |
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* @since 1.2.2 |
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* @author Vova Feldman (@svovaf) |
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*/ |
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$fn = 'base64' . '_decode'; |
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return $fn( strtr( $input, '-_', '+/' ) ); |
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} |
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|
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/** |
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* Base64 encoding that does not need to be urlencode()ed. |
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* |
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* Exactly the same as base64 encode except it uses |
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* `-` instead of `+ |
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* `_` instead of `/` |
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* |
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* @param string $input string |
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* |
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* @return string Base64 encoded string |
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*/ |
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protected static function Base64UrlEncode( $input ) { |
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/** |
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* IMPORTANT NOTE: |
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* This is a hack suggested by @otto42 and @greenshady from |
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* the theme's review team. The usage of base64 for API |
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* signature encoding was approved in a Slack meeting |
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* held on Tue (10/25 2016). |
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* |
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* @todo Remove this hack once the base64 error is removed from the Theme Check. |
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* |
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* @since 1.2.2 |
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* @author Vova Feldman (@svovaf) |
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*/ |
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$fn = 'base64' . '_encode'; |
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$str = strtr( $fn( $input ), '+/', '-_' ); |
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$str = str_replace( '=', '', $str ); |
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|
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return $str; |
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} |
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} |
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|
