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<?php |
| 2 |
/** |
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* Copyright 2016 Freemius, Inc. |
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* |
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* Licensed under the GPL v2 (the "License"); you may |
| 6 |
* not use this file except in compliance with the License. You may obtain |
| 7 |
* 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 |
| 12 |
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| 13 |
* 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 |
| 15 |
* under the License. |
| 16 |
*/ |
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if ( ! defined( 'ABSPATH' ) ) { |
| 18 |
exit; |
| 19 |
} |
| 20 |
|
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require_once dirname( __FILE__ ) . '/FreemiusBase.php'; |
| 22 |
|
| 23 |
if ( ! defined( 'FS_SDK__USER_AGENT' ) ) { |
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define( 'FS_SDK__USER_AGENT', 'fs-php-' . Freemius_Api_Base::VERSION ); |
| 25 |
} |
| 26 |
|
| 27 |
if ( ! defined( 'FS_SDK__SIMULATE_NO_CURL' ) ) { |
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define( 'FS_SDK__SIMULATE_NO_CURL', false ); |
| 29 |
} |
| 30 |
|
| 31 |
if ( ! defined( 'FS_SDK__SIMULATE_NO_API_CONNECTIVITY_CLOUDFLARE' ) ) { |
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define( 'FS_SDK__SIMULATE_NO_API_CONNECTIVITY_CLOUDFLARE', false ); |
| 33 |
} |
| 34 |
|
| 35 |
if ( ! defined( 'FS_SDK__SIMULATE_NO_API_CONNECTIVITY_SQUID_ACL' ) ) { |
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define( 'FS_SDK__SIMULATE_NO_API_CONNECTIVITY_SQUID_ACL', false ); |
| 37 |
} |
| 38 |
|
| 39 |
if ( ! defined( 'FS_SDK__HAS_CURL' ) ) { |
| 40 |
if ( FS_SDK__SIMULATE_NO_CURL ) { |
| 41 |
define( 'FS_SDK__HAS_CURL', false ); |
| 42 |
} else { |
| 43 |
$curl_required_methods = array( |
| 44 |
'curl_version', |
| 45 |
'curl_exec', |
| 46 |
'curl_init', |
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'curl_close', |
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'curl_setopt', |
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'curl_setopt_array', |
| 50 |
'curl_error', |
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); |
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|
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$has_curl = true; |
| 54 |
foreach ( $curl_required_methods as $m ) { |
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if ( ! function_exists( $m ) ) { |
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$has_curl = false; |
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break; |
| 58 |
} |
| 59 |
} |
| 60 |
|
| 61 |
define( 'FS_SDK__HAS_CURL', $has_curl ); |
| 62 |
} |
| 63 |
} |
| 64 |
|
| 65 |
if ( ! defined( 'FS_SDK__SSLVERIFY' ) ) { |
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define( 'FS_SDK__SSLVERIFY', false ); |
| 67 |
} |
| 68 |
|
| 69 |
$curl_version = FS_SDK__HAS_CURL ? |
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curl_version() : |
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array( 'version' => '7.37' ); |
| 72 |
|
| 73 |
if ( ! defined( 'FS_API__PROTOCOL' ) ) { |
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define( 'FS_API__PROTOCOL', version_compare( $curl_version['version'], '7.37', '>=' ) ? 'https' : 'http' ); |
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} |
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|
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if ( ! defined( 'FS_API__LOGGER_ON' ) ) { |
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define( 'FS_API__LOGGER_ON', false ); |
| 79 |
} |
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|
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if ( ! defined( 'FS_API__ADDRESS' ) ) { |
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define( 'FS_API__ADDRESS', '://api.freemius.com' ); |
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} |
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if ( ! defined( 'FS_API__SANDBOX_ADDRESS' ) ) { |
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define( 'FS_API__SANDBOX_ADDRESS', '://sandbox-api.freemius.com' ); |
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} |
| 87 |
|
| 88 |
if ( ! class_exists( 'Freemius_Api_WordPress' ) ) { |
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class Freemius_Api_WordPress extends Freemius_Api_Base { |
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private static $_logger = array(); |
| 91 |
|
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/** |
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* @param string $pScope 'app', 'developer', '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|bool $pSecret Element's secret key. |
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* @param bool $pSandbox Whether or not to run API in sandbox mode. |
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*/ |
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public function __construct( $pScope, $pID, $pPublic, $pSecret = false, $pSandbox = false ) { |
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// If secret key not provided, use public key encryption. |
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if ( is_bool( $pSecret ) ) { |
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$pSecret = $pPublic; |
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} |
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|
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parent::Init( $pScope, $pID, $pPublic, $pSecret, $pSandbox ); |
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} |
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|
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public static function GetUrl( $pCanonizedPath = '', $pIsSandbox = false ) { |
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$address = ( $pIsSandbox ? FS_API__SANDBOX_ADDRESS : FS_API__ADDRESS ); |
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|
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if ( ':' === $address[0] ) { |
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$address = self::$_protocol . $address; |
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} |
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|
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return $address . $pCanonizedPath; |
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} |
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|
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#---------------------------------------------------------------------------------- |
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#region Servers Clock Diff |
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#---------------------------------------------------------------------------------- |
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|
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/** |
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* @var int Clock diff in seconds between current server to API server. |
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*/ |
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private static $_clock_diff = 0; |
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|
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/** |
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* Set clock diff for all API calls. |
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* |
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* @since 1.0.3 |
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* |
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* @param $pSeconds |
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*/ |
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public static function SetClockDiff( $pSeconds ) { |
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self::$_clock_diff = $pSeconds; |
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} |
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|
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/** |
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* Find clock diff between current server to API server. |
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* |
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* @since 1.0.2 |
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* @return int Clock diff in seconds. |
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*/ |
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public static function FindClockDiff() { |
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$time = time(); |
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$pong = self::Ping(); |
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|
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return ( $time - strtotime( $pong->timestamp ) ); |
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} |
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|
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#endregion |
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|
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/** |
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* @var string http or https |
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*/ |
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private static $_protocol = FS_API__PROTOCOL; |
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|
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/** |
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* Set API connection protocol. |
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* |
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* @since 1.0.4 |
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*/ |
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public static function SetHttp() { |
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self::$_protocol = 'http'; |
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} |
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|
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/** |
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* Sets API connection protocol to HTTPS. |
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* |
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* @since 2.5.4 |
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*/ |
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public static function SetHttps() { |
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self::$_protocol = 'https'; |
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} |
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|
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/** |
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* @since 1.0.4 |
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* |
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* @return bool |
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*/ |
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public static function IsHttps() { |
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return ( 'https' === self::$_protocol ); |
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} |
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|
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/** |
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* Sign request with the following HTTP headers: |
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* Content-MD5: MD5(HTTP Request body) |
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* Date: Current date (i.e Sat, 14 Feb 2016 20:24:46 +0000) |
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* Authorization: FS {scope_entity_id}:{scope_entity_public_key}:base64encode(sha256(string_to_sign, |
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* {scope_entity_secret_key})) |
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* |
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* @param string $pResourceUrl |
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* @param array $pWPRemoteArgs |
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* |
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* @return array |
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*/ |
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function SignRequest( $pResourceUrl, $pWPRemoteArgs ) { |
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$auth = $this->GenerateAuthorizationParams( |
| 199 |
$pResourceUrl, |
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$pWPRemoteArgs['method'], |
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! empty( $pWPRemoteArgs['body'] ) ? $pWPRemoteArgs['body'] : '' |
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); |
| 203 |
|
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$pWPRemoteArgs['headers']['Date'] = $auth['date']; |
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$pWPRemoteArgs['headers']['Authorization'] = $auth['authorization']; |
| 206 |
|
| 207 |
if ( ! empty( $auth['content_md5'] ) ) { |
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$pWPRemoteArgs['headers']['Content-MD5'] = $auth['content_md5']; |
| 209 |
} |
| 210 |
|
| 211 |
return $pWPRemoteArgs; |
| 212 |
} |
| 213 |
|
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/** |
| 215 |
* Generate Authorization request headers: |
| 216 |
* |
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* Content-MD5: MD5(HTTP Request body) |
| 218 |
* Date: Current date (i.e Sat, 14 Feb 2016 20:24:46 +0000) |
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* Authorization: FS {scope_entity_id}:{scope_entity_public_key}:base64encode(sha256(string_to_sign, |
| 220 |
* {scope_entity_secret_key})) |
| 221 |
* |
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* @author Vova Feldman |
| 223 |
* |
| 224 |
* @param string $pResourceUrl |
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* @param string $pMethod |
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* @param string $pPostParams |
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* |
| 228 |
* @return array |
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* @throws Freemius_Exception |
| 230 |
*/ |
| 231 |
function GenerateAuthorizationParams( |
| 232 |
$pResourceUrl, |
| 233 |
$pMethod = 'GET', |
| 234 |
$pPostParams = '' |
| 235 |
) { |
| 236 |
$pMethod = strtoupper( $pMethod ); |
| 237 |
|
| 238 |
$eol = "\n"; |
| 239 |
$content_md5 = ''; |
| 240 |
$content_type = ''; |
| 241 |
$now = ( time() - self::$_clock_diff ); |
| 242 |
$date = date( 'r', $now ); |
| 243 |
|
| 244 |
if ( in_array( $pMethod, array( 'POST', 'PUT' ) ) ) { |
| 245 |
$content_type = 'application/json'; |
| 246 |
|
| 247 |
if ( ! empty( $pPostParams ) ) { |
| 248 |
$content_md5 = md5( $pPostParams ); |
| 249 |
} |
| 250 |
} |
| 251 |
|
| 252 |
$string_to_sign = implode( $eol, array( |
| 253 |
$pMethod, |
| 254 |
$content_md5, |
| 255 |
$content_type, |
| 256 |
$date, |
| 257 |
$pResourceUrl |
| 258 |
) ); |
| 259 |
|
| 260 |
// If secret and public keys are identical, it means that |
| 261 |
// the signature uses public key hash encoding. |
| 262 |
$auth_type = ( $this->_secret !== $this->_public ) ? 'FS' : 'FSP'; |
| 263 |
|
| 264 |
$auth = array( |
| 265 |
'date' => $date, |
| 266 |
'authorization' => $auth_type . ' ' . $this->_id . ':' . |
| 267 |
$this->_public . ':' . |
| 268 |
self::Base64UrlEncode( hash_hmac( |
| 269 |
'sha256', $string_to_sign, $this->_secret |
| 270 |
) ) |
| 271 |
); |
| 272 |
|
| 273 |
if ( ! empty( $content_md5 ) ) { |
| 274 |
$auth['content_md5'] = $content_md5; |
| 275 |
} |
| 276 |
|
| 277 |
return $auth; |
| 278 |
} |
| 279 |
|
| 280 |
/** |
| 281 |
* Get API request URL signed via query string. |
| 282 |
* |
| 283 |
* @since 1.2.3 Stopped using http_build_query(). Instead, use urlencode(). In some environments the encoding of http_build_query() can generate a URL that once used with a redirect, the `&` querystring separator is escaped to `&` which breaks the URL (Added by @svovaf). |
| 284 |
* |
| 285 |
* @param string $pPath |
| 286 |
* |
| 287 |
* @throws Freemius_Exception |
| 288 |
* |
| 289 |
* @return string |
| 290 |
*/ |
| 291 |
function GetSignedUrl( $pPath ) { |
| 292 |
$resource = explode( '?', $this->CanonizePath( $pPath ) ); |
| 293 |
$pResourceUrl = $resource[0]; |
| 294 |
|
| 295 |
$auth = $this->GenerateAuthorizationParams( $pResourceUrl ); |
| 296 |
|
| 297 |
return Freemius_Api_WordPress::GetUrl( |
| 298 |
$pResourceUrl . '?' . |
| 299 |
( 1 < count( $resource ) && ! empty( $resource[1] ) ? $resource[1] . '&' : '' ) . |
| 300 |
'authorization=' . urlencode( $auth['authorization'] ) . |
| 301 |
'&auth_date=' . urlencode( $auth['date'] ) |
| 302 |
, $this->_isSandbox ); |
| 303 |
} |
| 304 |
|
| 305 |
/** |
| 306 |
* @author Vova Feldman |
| 307 |
* |
| 308 |
* @param string $pUrl |
| 309 |
* @param array $pWPRemoteArgs |
| 310 |
* |
| 311 |
* @return mixed |
| 312 |
*/ |
| 313 |
private static function ExecuteRequest( $pUrl, &$pWPRemoteArgs ) { |
| 314 |
$bt = debug_backtrace(); |
| 315 |
|
| 316 |
$start = microtime( true ); |
| 317 |
|
| 318 |
$response = self::RemoteRequest( $pUrl, $pWPRemoteArgs ); |
| 319 |
|
| 320 |
if ( FS_API__LOGGER_ON ) { |
| 321 |
$end = microtime( true ); |
| 322 |
|
| 323 |
$has_body = ( isset( $pWPRemoteArgs['body'] ) && ! empty( $pWPRemoteArgs['body'] ) ); |
| 324 |
$is_http_error = is_wp_error( $response ); |
| 325 |
|
| 326 |
self::$_logger[] = array( |
| 327 |
'id' => count( self::$_logger ), |
| 328 |
'start' => $start, |
| 329 |
'end' => $end, |
| 330 |
'total' => ( $end - $start ), |
| 331 |
'method' => $pWPRemoteArgs['method'], |
| 332 |
'path' => $pUrl, |
| 333 |
'body' => $has_body ? $pWPRemoteArgs['body'] : null, |
| 334 |
'result' => ! $is_http_error ? |
| 335 |
$response['body'] : |
| 336 |
json_encode( $response->get_error_messages() ), |
| 337 |
'code' => ! $is_http_error ? $response['response']['code'] : null, |
| 338 |
'backtrace' => $bt, |
| 339 |
); |
| 340 |
} |
| 341 |
|
| 342 |
return $response; |
| 343 |
} |
| 344 |
|
| 345 |
/** |
| 346 |
* @author Leo Fajardo (@leorw) |
| 347 |
* |
| 348 |
* @param string $pUrl |
| 349 |
* @param array $pWPRemoteArgs |
| 350 |
* |
| 351 |
* @return mixed |
| 352 |
*/ |
| 353 |
static function RemoteRequest( $pUrl, $pWPRemoteArgs ) { |
| 354 |
$response = wp_remote_request( $pUrl, $pWPRemoteArgs ); |
| 355 |
|
| 356 |
if ( |
| 357 |
empty( $response['headers'] ) || |
| 358 |
empty( $response['headers']['x-api-server'] ) |
| 359 |
) { |
| 360 |
// API is considered blocked if the response doesn't include the `x-api-server` header. When there's no error but this header doesn't exist, the response is usually not in the expected form (e.g., cannot be JSON-decoded). |
| 361 |
$response = new WP_Error( 'api_blocked', htmlentities( $response['body'] ) ); |
| 362 |
} |
| 363 |
|
| 364 |
return $response; |
| 365 |
} |
| 366 |
|
| 367 |
/** |
| 368 |
* @return array |
| 369 |
*/ |
| 370 |
static function GetLogger() { |
| 371 |
return self::$_logger; |
| 372 |
} |
| 373 |
|
| 374 |
/** |
| 375 |
* @param string $pCanonizedPath |
| 376 |
* @param string $pMethod |
| 377 |
* @param array $pParams |
| 378 |
* @param null|array $pWPRemoteArgs |
| 379 |
* @param bool $pIsSandbox |
| 380 |
* @param null|callable $pBeforeExecutionFunction |
| 381 |
* |
| 382 |
* @return object[]|object|null |
| 383 |
* |
| 384 |
* @throws \Freemius_Exception |
| 385 |
*/ |
| 386 |
private static function MakeStaticRequest( |
| 387 |
$pCanonizedPath, |
| 388 |
$pMethod = 'GET', |
| 389 |
$pParams = array(), |
| 390 |
$pWPRemoteArgs = null, |
| 391 |
$pIsSandbox = false, |
| 392 |
$pBeforeExecutionFunction = null |
| 393 |
) { |
| 394 |
// Connectivity errors simulation. |
| 395 |
if ( FS_SDK__SIMULATE_NO_API_CONNECTIVITY_CLOUDFLARE ) { |
| 396 |
self::ThrowCloudFlareDDoSException(); |
| 397 |
} else if ( FS_SDK__SIMULATE_NO_API_CONNECTIVITY_SQUID_ACL ) { |
| 398 |
self::ThrowSquidAclException(); |
| 399 |
} |
| 400 |
|
| 401 |
if ( empty( $pWPRemoteArgs ) ) { |
| 402 |
$user_agent = 'Freemius/WordPress-SDK/' . Freemius_Api_Base::VERSION . '; ' . |
| 403 |
home_url(); |
| 404 |
|
| 405 |
$pWPRemoteArgs = array( |
| 406 |
'method' => strtoupper( $pMethod ), |
| 407 |
'connect_timeout' => 10, |
| 408 |
'timeout' => 60, |
| 409 |
'follow_redirects' => true, |
| 410 |
'redirection' => 5, |
| 411 |
'user-agent' => $user_agent, |
| 412 |
'blocking' => true, |
| 413 |
); |
| 414 |
} |
| 415 |
|
| 416 |
if ( ! isset( $pWPRemoteArgs['headers'] ) || |
| 417 |
! is_array( $pWPRemoteArgs['headers'] ) |
| 418 |
) { |
| 419 |
$pWPRemoteArgs['headers'] = array(); |
| 420 |
} |
| 421 |
|
| 422 |
if ( in_array( $pMethod, array( 'POST', 'PUT' ) ) ) { |
| 423 |
$pWPRemoteArgs['headers']['Content-type'] = 'application/json'; |
| 424 |
|
| 425 |
if ( is_array( $pParams ) && 0 < count( $pParams ) ) { |
| 426 |
$pWPRemoteArgs['body'] = json_encode( $pParams ); |
| 427 |
} |
| 428 |
} |
| 429 |
|
| 430 |
$request_url = self::GetUrl( $pCanonizedPath, $pIsSandbox ); |
| 431 |
|
| 432 |
$resource = explode( '?', $pCanonizedPath ); |
| 433 |
|
| 434 |
if ( FS_SDK__HAS_CURL ) { |
| 435 |
// Disable the 'Expect: 100-continue' behaviour. This causes cURL to wait |
| 436 |
// for 2 seconds if the server does not support this header. |
| 437 |
$pWPRemoteArgs['headers']['Expect'] = ''; |
| 438 |
} |
| 439 |
|
| 440 |
if ( 'https' === substr( strtolower( $request_url ), 0, 5 ) ) { |
| 441 |
$pWPRemoteArgs['sslverify'] = FS_SDK__SSLVERIFY; |
| 442 |
} |
| 443 |
|
| 444 |
if ( false !== $pBeforeExecutionFunction && |
| 445 |
is_callable( $pBeforeExecutionFunction ) |
| 446 |
) { |
| 447 |
$pWPRemoteArgs = call_user_func( $pBeforeExecutionFunction, $resource[0], $pWPRemoteArgs ); |
| 448 |
} |
| 449 |
|
| 450 |
$result = self::ExecuteRequest( $request_url, $pWPRemoteArgs ); |
| 451 |
|
| 452 |
if ( is_wp_error( $result ) ) { |
| 453 |
/** |
| 454 |
* @var WP_Error $result |
| 455 |
*/ |
| 456 |
if ( self::IsCurlError( $result ) ) { |
| 457 |
/** |
| 458 |
* With dual stacked DNS responses, it's possible for a server to |
| 459 |
* have IPv6 enabled but not have IPv6 connectivity. If this is |
| 460 |
* the case, cURL will try IPv4 first and if that fails, then it will |
| 461 |
* fall back to IPv6 and the error EHOSTUNREACH is returned by the |
| 462 |
* operating system. |
| 463 |
*/ |
| 464 |
$matches = array(); |
| 465 |
$regex = '/Failed to connect to ([^:].*): Network is unreachable/'; |
| 466 |
if ( preg_match( $regex, $result->get_error_message( 'http_request_failed' ), $matches ) ) { |
| 467 |
/** |
| 468 |
* Validate IP before calling `inet_pton()` to avoid PHP un-catchable warning. |
| 469 |
* @author Vova Feldman (@svovaf) |
| 470 |
*/ |
| 471 |
if ( filter_var( $matches[1], FILTER_VALIDATE_IP ) ) { |
| 472 |
if ( strlen( inet_pton( $matches[1] ) ) === 16 ) { |
| 473 |
// error_log('Invalid IPv6 configuration on server, Please disable or get native IPv6 on your server.'); |
| 474 |
// Hook to an action triggered just before cURL is executed to resolve the IP version to v4. |
| 475 |
add_action( 'http_api_curl', 'Freemius_Api_WordPress::CurlResolveToIPv4', 10, 1 ); |
| 476 |
|
| 477 |
// Re-run request. |
| 478 |
$result = self::ExecuteRequest( $request_url, $pWPRemoteArgs ); |
| 479 |
} |
| 480 |
} |
| 481 |
} |
| 482 |
} |
| 483 |
|
| 484 |
if ( is_wp_error( $result ) ) { |
| 485 |
self::ThrowWPRemoteException( $result ); |
| 486 |
} |
| 487 |
} |
| 488 |
|
| 489 |
$response_body = $result['body']; |
| 490 |
|
| 491 |
if ( empty( $response_body ) ) { |
| 492 |
return null; |
| 493 |
} |
| 494 |
|
| 495 |
$decoded = json_decode( $response_body ); |
| 496 |
|
| 497 |
if ( is_null( $decoded ) ) { |
| 498 |
if ( preg_match( '/Please turn JavaScript on/i', $response_body ) && |
| 499 |
preg_match( '/text\/javascript/', $response_body ) |
| 500 |
) { |
| 501 |
self::ThrowCloudFlareDDoSException( $response_body ); |
| 502 |
} else if ( preg_match( '/Access control configuration prevents your request from being allowed at this time. Please contact your service provider if you feel this is incorrect./', $response_body ) && |
| 503 |
preg_match( '/squid/', $response_body ) |
| 504 |
) { |
| 505 |
self::ThrowSquidAclException( $response_body ); |
| 506 |
} else { |
| 507 |
$decoded = (object) array( |
| 508 |
'error' => (object) array( |
| 509 |
'type' => 'Unknown', |
| 510 |
'message' => $response_body, |
| 511 |
'code' => 'unknown', |
| 512 |
'http' => 402 |
| 513 |
) |
| 514 |
); |
| 515 |
} |
| 516 |
} |
| 517 |
|
| 518 |
return $decoded; |
| 519 |
} |
| 520 |
|
| 521 |
|
| 522 |
/** |
| 523 |
* Makes an HTTP request. This method can be overridden by subclasses if |
| 524 |
* developers want to do fancier things or use something other than wp_remote_request() |
| 525 |
* to make the request. |
| 526 |
* |
| 527 |
* @param string $pCanonizedPath The URL to make the request to |
| 528 |
* @param string $pMethod HTTP method |
| 529 |
* @param array $pParams The parameters to use for the POST body |
| 530 |
* @param null|array $pWPRemoteArgs wp_remote_request options. |
| 531 |
* |
| 532 |
* @return object[]|object|null |
| 533 |
* |
| 534 |
* @throws Freemius_Exception |
| 535 |
*/ |
| 536 |
public function MakeRequest( |
| 537 |
$pCanonizedPath, |
| 538 |
$pMethod = 'GET', |
| 539 |
$pParams = array(), |
| 540 |
$pWPRemoteArgs = null |
| 541 |
) { |
| 542 |
$resource = explode( '?', $pCanonizedPath ); |
| 543 |
|
| 544 |
// Only sign request if not ping.json connectivity test. |
| 545 |
$sign_request = ( '/v1/ping.json' !== strtolower( substr( $resource[0], - strlen( '/v1/ping.json' ) ) ) ); |
| 546 |
|
| 547 |
return self::MakeStaticRequest( |
| 548 |
$pCanonizedPath, |
| 549 |
$pMethod, |
| 550 |
$pParams, |
| 551 |
$pWPRemoteArgs, |
| 552 |
$this->_isSandbox, |
| 553 |
$sign_request ? array( &$this, 'SignRequest' ) : null |
| 554 |
); |
| 555 |
} |
| 556 |
|
| 557 |
/** |
| 558 |
* Sets CURLOPT_IPRESOLVE to CURL_IPRESOLVE_V4 for cURL-Handle provided as parameter |
| 559 |
* |
| 560 |
* @param resource $handle A cURL handle returned by curl_init() |
| 561 |
* |
| 562 |
* @return resource $handle A cURL handle returned by curl_init() with CURLOPT_IPRESOLVE set to |
| 563 |
* CURL_IPRESOLVE_V4 |
| 564 |
* |
| 565 |
* @link https://gist.github.com/golderweb/3a2aaec2d56125cc004e |
| 566 |
*/ |
| 567 |
static function CurlResolveToIPv4( $handle ) { |
| 568 |
curl_setopt( $handle, CURLOPT_IPRESOLVE, CURL_IPRESOLVE_V4 ); |
| 569 |
|
| 570 |
return $handle; |
| 571 |
} |
| 572 |
|
| 573 |
#---------------------------------------------------------------------------------- |
| 574 |
#region Connectivity Test |
| 575 |
#---------------------------------------------------------------------------------- |
| 576 |
|
| 577 |
/** |
| 578 |
* This method exists only for backward compatibility to prevent a fatal error from happening when called from an outdated piece of code. |
| 579 |
* |
| 580 |
* @param mixed $pPong |
| 581 |
* |
| 582 |
* @return bool |
| 583 |
*/ |
| 584 |
public static function Test( $pPong = null ) { |
| 585 |
return ( |
| 586 |
is_object( $pPong ) && |
| 587 |
isset( $pPong->api ) && |
| 588 |
'pong' === $pPong->api |
| 589 |
); |
| 590 |
} |
| 591 |
|
| 592 |
/** |
| 593 |
* Ping API to test connectivity. |
| 594 |
* |
| 595 |
* @return object |
| 596 |
*/ |
| 597 |
public static function Ping() { |
| 598 |
try { |
| 599 |
$result = self::MakeStaticRequest( '/v' . FS_API__VERSION . '/ping.json' ); |
| 600 |
} catch ( Freemius_Exception $e ) { |
| 601 |
// Map to error object. |
| 602 |
$result = (object) $e->getResult(); |
| 603 |
} catch ( Exception $e ) { |
| 604 |
// Map to error object. |
| 605 |
$result = (object) array( |
| 606 |
'error' => (object) array( |
| 607 |
'type' => 'Unknown', |
| 608 |
'message' => $e->getMessage() . ' (' . $e->getFile() . ': ' . $e->getLine() . ')', |
| 609 |
'code' => 'unknown', |
| 610 |
'http' => 402 |
| 611 |
) |
| 612 |
); |
| 613 |
} |
| 614 |
|
| 615 |
return $result; |
| 616 |
} |
| 617 |
|
| 618 |
#endregion |
| 619 |
|
| 620 |
#---------------------------------------------------------------------------------- |
| 621 |
#region Connectivity Exceptions |
| 622 |
#---------------------------------------------------------------------------------- |
| 623 |
|
| 624 |
/** |
| 625 |
* @param \WP_Error $pError |
| 626 |
* |
| 627 |
* @return bool |
| 628 |
*/ |
| 629 |
private static function IsCurlError( WP_Error $pError ) { |
| 630 |
$message = $pError->get_error_message( 'http_request_failed' ); |
| 631 |
|
| 632 |
return ( 0 === strpos( $message, 'cURL' ) ); |
| 633 |
} |
| 634 |
|
| 635 |
/** |
| 636 |
* @param WP_Error $pError |
| 637 |
* |
| 638 |
* @throws Freemius_Exception |
| 639 |
*/ |
| 640 |
private static function ThrowWPRemoteException( WP_Error $pError ) { |
| 641 |
if ( self::IsCurlError( $pError ) ) { |
| 642 |
$message = $pError->get_error_message( 'http_request_failed' ); |
| 643 |
|
| 644 |
#region Check if there are any missing cURL methods. |
| 645 |
|
| 646 |
$curl_required_methods = array( |
| 647 |
'curl_version', |
| 648 |
'curl_exec', |
| 649 |
'curl_init', |
| 650 |
'curl_close', |
| 651 |
'curl_setopt', |
| 652 |
'curl_setopt_array', |
| 653 |
'curl_error', |
| 654 |
); |
| 655 |
|
| 656 |
// Find all missing methods. |
| 657 |
$missing_methods = array(); |
| 658 |
foreach ( $curl_required_methods as $m ) { |
| 659 |
if ( ! function_exists( $m ) ) { |
| 660 |
$missing_methods[] = $m; |
| 661 |
} |
| 662 |
} |
| 663 |
|
| 664 |
if ( ! empty( $missing_methods ) ) { |
| 665 |
throw new Freemius_Exception( array( |
| 666 |
'error' => (object) array( |
| 667 |
'type' => 'cUrlMissing', |
| 668 |
'message' => $message, |
| 669 |
'code' => 'curl_missing', |
| 670 |
'http' => 402 |
| 671 |
), |
| 672 |
'missing_methods' => $missing_methods, |
| 673 |
) ); |
| 674 |
} |
| 675 |
|
| 676 |
#endregion |
| 677 |
|
| 678 |
// cURL error - "cURL error {{errno}}: {{error}}". |
| 679 |
$parts = explode( ':', substr( $message, strlen( 'cURL error ' ) ), 2 ); |
| 680 |
|
| 681 |
$code = ( 0 < count( $parts ) ) ? $parts[0] : 'http_request_failed'; |
| 682 |
$message = ( 1 < count( $parts ) ) ? $parts[1] : $message; |
| 683 |
|
| 684 |
$e = new Freemius_Exception( array( |
| 685 |
'error' => (object) array( |
| 686 |
'code' => $code, |
| 687 |
'message' => $message, |
| 688 |
'type' => 'CurlException', |
| 689 |
), |
| 690 |
) ); |
| 691 |
} else { |
| 692 |
$e = new Freemius_Exception( array( |
| 693 |
'error' => (object) array( |
| 694 |
'code' => $pError->get_error_code(), |
| 695 |
'message' => $pError->get_error_message(), |
| 696 |
'type' => 'WPRemoteException', |
| 697 |
), |
| 698 |
) ); |
| 699 |
} |
| 700 |
|
| 701 |
throw $e; |
| 702 |
} |
| 703 |
|
| 704 |
/** |
| 705 |
* @param string $pResult |
| 706 |
* |
| 707 |
* @throws Freemius_Exception |
| 708 |
*/ |
| 709 |
private static function ThrowCloudFlareDDoSException( $pResult = '' ) { |
| 710 |
throw new Freemius_Exception( array( |
| 711 |
'error' => (object) array( |
| 712 |
'type' => 'CloudFlareDDoSProtection', |
| 713 |
'message' => $pResult, |
| 714 |
'code' => 'cloudflare_ddos_protection', |
| 715 |
'http' => 402 |
| 716 |
) |
| 717 |
) ); |
| 718 |
} |
| 719 |
|
| 720 |
/** |
| 721 |
* @param string $pResult |
| 722 |
* |
| 723 |
* @throws Freemius_Exception |
| 724 |
*/ |
| 725 |
private static function ThrowSquidAclException( $pResult = '' ) { |
| 726 |
throw new Freemius_Exception( array( |
| 727 |
'error' => (object) array( |
| 728 |
'type' => 'SquidCacheBlock', |
| 729 |
'message' => $pResult, |
| 730 |
'code' => 'squid_cache_block', |
| 731 |
'http' => 402 |
| 732 |
) |
| 733 |
) ); |
| 734 |
} |
| 735 |
|
| 736 |
#endregion |
| 737 |
} |
| 738 |
} |
| 739 |
|
