Exceptions
4 years ago
FreemiusBase.php
4 years ago
FreemiusWordPress.php
4 years ago
LICENSE.txt
4 years ago
index.php
4 years ago
FreemiusWordPress.php
712 lines
| 1 | <?php |
| 2 | /** |
| 3 | * Copyright 2016 Freemius, Inc. |
| 4 | * |
| 5 | * 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 |
| 8 | * |
| 9 | * http://choosealicense.com/licenses/gpl-v2/ |
| 10 | * |
| 11 | * 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 |
| 14 | * License for the specific language governing permissions and limitations |
| 15 | * under the License. |
| 16 | */ |
| 17 | |
| 18 | require_once dirname( __FILE__ ) . '/FreemiusBase.php'; |
| 19 | |
| 20 | if ( ! defined( 'FS_SDK__USER_AGENT' ) ) { |
| 21 | define( 'FS_SDK__USER_AGENT', 'fs-php-' . Freemius_Api_Base::VERSION ); |
| 22 | } |
| 23 | |
| 24 | if ( ! defined( 'FS_SDK__SIMULATE_NO_CURL' ) ) { |
| 25 | define( 'FS_SDK__SIMULATE_NO_CURL', false ); |
| 26 | } |
| 27 | |
| 28 | if ( ! defined( 'FS_SDK__SIMULATE_NO_API_CONNECTIVITY_CLOUDFLARE' ) ) { |
| 29 | define( 'FS_SDK__SIMULATE_NO_API_CONNECTIVITY_CLOUDFLARE', false ); |
| 30 | } |
| 31 | |
| 32 | if ( ! defined( 'FS_SDK__SIMULATE_NO_API_CONNECTIVITY_SQUID_ACL' ) ) { |
| 33 | define( 'FS_SDK__SIMULATE_NO_API_CONNECTIVITY_SQUID_ACL', false ); |
| 34 | } |
| 35 | |
| 36 | if ( ! defined( 'FS_SDK__HAS_CURL' ) ) { |
| 37 | if ( FS_SDK__SIMULATE_NO_CURL ) { |
| 38 | define( 'FS_SDK__HAS_CURL', false ); |
| 39 | } else { |
| 40 | $curl_required_methods = array( |
| 41 | 'curl_version', |
| 42 | 'curl_exec', |
| 43 | 'curl_init', |
| 44 | 'curl_close', |
| 45 | 'curl_setopt', |
| 46 | 'curl_setopt_array', |
| 47 | 'curl_error', |
| 48 | ); |
| 49 | |
| 50 | $has_curl = true; |
| 51 | foreach ( $curl_required_methods as $m ) { |
| 52 | if ( ! function_exists( $m ) ) { |
| 53 | $has_curl = false; |
| 54 | break; |
| 55 | } |
| 56 | } |
| 57 | |
| 58 | define( 'FS_SDK__HAS_CURL', $has_curl ); |
| 59 | } |
| 60 | } |
| 61 | |
| 62 | if ( ! defined( 'FS_SDK__SSLVERIFY' ) ) { |
| 63 | define( 'FS_SDK__SSLVERIFY', false ); |
| 64 | } |
| 65 | |
| 66 | $curl_version = FS_SDK__HAS_CURL ? |
| 67 | curl_version() : |
| 68 | array( 'version' => '7.37' ); |
| 69 | |
| 70 | if ( ! defined( 'FS_API__PROTOCOL' ) ) { |
| 71 | define( 'FS_API__PROTOCOL', version_compare( $curl_version['version'], '7.37', '>=' ) ? 'https' : 'http' ); |
| 72 | } |
| 73 | |
| 74 | if ( ! defined( 'FS_API__LOGGER_ON' ) ) { |
| 75 | define( 'FS_API__LOGGER_ON', false ); |
| 76 | } |
| 77 | |
| 78 | if ( ! defined( 'FS_API__ADDRESS' ) ) { |
| 79 | define( 'FS_API__ADDRESS', '://api.freemius.com' ); |
| 80 | } |
| 81 | if ( ! defined( 'FS_API__SANDBOX_ADDRESS' ) ) { |
| 82 | define( 'FS_API__SANDBOX_ADDRESS', '://sandbox-api.freemius.com' ); |
| 83 | } |
| 84 | |
| 85 | if ( class_exists( 'Freemius_Api_WordPress' ) ) { |
| 86 | return; |
| 87 | } |
| 88 | |
| 89 | class Freemius_Api_WordPress extends Freemius_Api_Base { |
| 90 | private static $_logger = array(); |
| 91 | |
| 92 | /** |
| 93 | * @param string $pScope 'app', 'developer', 'user' or 'install'. |
| 94 | * @param number $pID Element's id. |
| 95 | * @param string $pPublic Public key. |
| 96 | * @param string|bool $pSecret Element's secret key. |
| 97 | * @param bool $pSandbox Whether or not to run API in sandbox mode. |
| 98 | */ |
| 99 | public function __construct( $pScope, $pID, $pPublic, $pSecret = false, $pSandbox = false ) { |
| 100 | // If secret key not provided, use public key encryption. |
| 101 | if ( is_bool( $pSecret ) ) { |
| 102 | $pSecret = $pPublic; |
| 103 | } |
| 104 | |
| 105 | parent::Init( $pScope, $pID, $pPublic, $pSecret, $pSandbox ); |
| 106 | } |
| 107 | |
| 108 | public static function GetUrl( $pCanonizedPath = '', $pIsSandbox = false ) { |
| 109 | $address = ( $pIsSandbox ? FS_API__SANDBOX_ADDRESS : FS_API__ADDRESS ); |
| 110 | |
| 111 | if ( ':' === $address[0] ) { |
| 112 | $address = self::$_protocol . $address; |
| 113 | } |
| 114 | |
| 115 | return $address . $pCanonizedPath; |
| 116 | } |
| 117 | |
| 118 | #---------------------------------------------------------------------------------- |
| 119 | #region Servers Clock Diff |
| 120 | #---------------------------------------------------------------------------------- |
| 121 | |
| 122 | /** |
| 123 | * @var int Clock diff in seconds between current server to API server. |
| 124 | */ |
| 125 | private static $_clock_diff = 0; |
| 126 | |
| 127 | /** |
| 128 | * Set clock diff for all API calls. |
| 129 | * |
| 130 | * @since 1.0.3 |
| 131 | * |
| 132 | * @param $pSeconds |
| 133 | */ |
| 134 | public static function SetClockDiff( $pSeconds ) { |
| 135 | self::$_clock_diff = $pSeconds; |
| 136 | } |
| 137 | |
| 138 | /** |
| 139 | * Find clock diff between current server to API server. |
| 140 | * |
| 141 | * @since 1.0.2 |
| 142 | * @return int Clock diff in seconds. |
| 143 | */ |
| 144 | public static function FindClockDiff() { |
| 145 | $time = time(); |
| 146 | $pong = self::Ping(); |
| 147 | |
| 148 | return ( $time - strtotime( $pong->timestamp ) ); |
| 149 | } |
| 150 | |
| 151 | #endregion |
| 152 | |
| 153 | /** |
| 154 | * @var string http or https |
| 155 | */ |
| 156 | private static $_protocol = FS_API__PROTOCOL; |
| 157 | |
| 158 | /** |
| 159 | * Set API connection protocol. |
| 160 | * |
| 161 | * @since 1.0.4 |
| 162 | */ |
| 163 | public static function SetHttp() { |
| 164 | self::$_protocol = 'http'; |
| 165 | } |
| 166 | |
| 167 | /** |
| 168 | * @since 1.0.4 |
| 169 | * |
| 170 | * @return bool |
| 171 | */ |
| 172 | public static function IsHttps() { |
| 173 | return ( 'https' === self::$_protocol ); |
| 174 | } |
| 175 | |
| 176 | /** |
| 177 | * Sign request with the following HTTP headers: |
| 178 | * Content-MD5: MD5(HTTP Request body) |
| 179 | * Date: Current date (i.e Sat, 14 Feb 2016 20:24:46 +0000) |
| 180 | * Authorization: FS {scope_entity_id}:{scope_entity_public_key}:base64encode(sha256(string_to_sign, |
| 181 | * {scope_entity_secret_key})) |
| 182 | * |
| 183 | * @param string $pResourceUrl |
| 184 | * @param array $pWPRemoteArgs |
| 185 | * |
| 186 | * @return array |
| 187 | */ |
| 188 | function SignRequest( $pResourceUrl, $pWPRemoteArgs ) { |
| 189 | $auth = $this->GenerateAuthorizationParams( |
| 190 | $pResourceUrl, |
| 191 | $pWPRemoteArgs['method'], |
| 192 | ! empty( $pWPRemoteArgs['body'] ) ? $pWPRemoteArgs['body'] : '' |
| 193 | ); |
| 194 | |
| 195 | $pWPRemoteArgs['headers']['Date'] = $auth['date']; |
| 196 | $pWPRemoteArgs['headers']['Authorization'] = $auth['authorization']; |
| 197 | |
| 198 | if ( ! empty( $auth['content_md5'] ) ) { |
| 199 | $pWPRemoteArgs['headers']['Content-MD5'] = $auth['content_md5']; |
| 200 | } |
| 201 | |
| 202 | return $pWPRemoteArgs; |
| 203 | } |
| 204 | |
| 205 | /** |
| 206 | * Generate Authorization request headers: |
| 207 | * |
| 208 | * Content-MD5: MD5(HTTP Request body) |
| 209 | * Date: Current date (i.e Sat, 14 Feb 2016 20:24:46 +0000) |
| 210 | * Authorization: FS {scope_entity_id}:{scope_entity_public_key}:base64encode(sha256(string_to_sign, |
| 211 | * {scope_entity_secret_key})) |
| 212 | * |
| 213 | * @author Vova Feldman |
| 214 | * |
| 215 | * @param string $pResourceUrl |
| 216 | * @param string $pMethod |
| 217 | * @param string $pPostParams |
| 218 | * |
| 219 | * @return array |
| 220 | * @throws Freemius_Exception |
| 221 | */ |
| 222 | function GenerateAuthorizationParams( |
| 223 | $pResourceUrl, |
| 224 | $pMethod = 'GET', |
| 225 | $pPostParams = '' |
| 226 | ) { |
| 227 | $pMethod = strtoupper( $pMethod ); |
| 228 | |
| 229 | $eol = "\n"; |
| 230 | $content_md5 = ''; |
| 231 | $content_type = ''; |
| 232 | $now = ( time() - self::$_clock_diff ); |
| 233 | $date = date( 'r', $now ); |
| 234 | |
| 235 | if ( in_array( $pMethod, array( 'POST', 'PUT' ) ) ) { |
| 236 | $content_type = 'application/json'; |
| 237 | |
| 238 | if ( ! empty( $pPostParams ) ) { |
| 239 | $content_md5 = md5( $pPostParams ); |
| 240 | } |
| 241 | } |
| 242 | |
| 243 | $string_to_sign = implode( $eol, array( |
| 244 | $pMethod, |
| 245 | $content_md5, |
| 246 | $content_type, |
| 247 | $date, |
| 248 | $pResourceUrl |
| 249 | ) ); |
| 250 | |
| 251 | // If secret and public keys are identical, it means that |
| 252 | // the signature uses public key hash encoding. |
| 253 | $auth_type = ( $this->_secret !== $this->_public ) ? 'FS' : 'FSP'; |
| 254 | |
| 255 | $auth = array( |
| 256 | 'date' => $date, |
| 257 | 'authorization' => $auth_type . ' ' . $this->_id . ':' . |
| 258 | $this->_public . ':' . |
| 259 | self::Base64UrlEncode( hash_hmac( |
| 260 | 'sha256', $string_to_sign, $this->_secret |
| 261 | ) ) |
| 262 | ); |
| 263 | |
| 264 | if ( ! empty( $content_md5 ) ) { |
| 265 | $auth['content_md5'] = $content_md5; |
| 266 | } |
| 267 | |
| 268 | return $auth; |
| 269 | } |
| 270 | |
| 271 | /** |
| 272 | * Get API request URL signed via query string. |
| 273 | * |
| 274 | * @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). |
| 275 | * |
| 276 | * @param string $pPath |
| 277 | * |
| 278 | * @throws Freemius_Exception |
| 279 | * |
| 280 | * @return string |
| 281 | */ |
| 282 | function GetSignedUrl( $pPath ) { |
| 283 | $resource = explode( '?', $this->CanonizePath( $pPath ) ); |
| 284 | $pResourceUrl = $resource[0]; |
| 285 | |
| 286 | $auth = $this->GenerateAuthorizationParams( $pResourceUrl ); |
| 287 | |
| 288 | return Freemius_Api_WordPress::GetUrl( |
| 289 | $pResourceUrl . '?' . |
| 290 | ( 1 < count( $resource ) && ! empty( $resource[1] ) ? $resource[1] . '&' : '' ) . |
| 291 | 'authorization=' . urlencode( $auth['authorization'] ) . |
| 292 | '&auth_date=' . urlencode( $auth['date'] ) |
| 293 | , $this->_isSandbox ); |
| 294 | } |
| 295 | |
| 296 | /** |
| 297 | * @author Vova Feldman |
| 298 | * |
| 299 | * @param string $pUrl |
| 300 | * @param array $pWPRemoteArgs |
| 301 | * |
| 302 | * @return mixed |
| 303 | */ |
| 304 | private static function ExecuteRequest( $pUrl, &$pWPRemoteArgs ) { |
| 305 | $start = microtime( true ); |
| 306 | |
| 307 | $response = wp_remote_request( $pUrl, $pWPRemoteArgs ); |
| 308 | |
| 309 | if ( FS_API__LOGGER_ON ) { |
| 310 | $end = microtime( true ); |
| 311 | |
| 312 | $has_body = ( isset( $pWPRemoteArgs['body'] ) && ! empty( $pWPRemoteArgs['body'] ) ); |
| 313 | $is_http_error = is_wp_error( $response ); |
| 314 | |
| 315 | self::$_logger[] = array( |
| 316 | 'id' => count( self::$_logger ), |
| 317 | 'start' => $start, |
| 318 | 'end' => $end, |
| 319 | 'total' => ( $end - $start ), |
| 320 | 'method' => $pWPRemoteArgs['method'], |
| 321 | 'path' => $pUrl, |
| 322 | 'body' => $has_body ? $pWPRemoteArgs['body'] : null, |
| 323 | 'result' => ! $is_http_error ? |
| 324 | $response['body'] : |
| 325 | json_encode( $response->get_error_messages() ), |
| 326 | 'code' => ! $is_http_error ? $response['response']['code'] : null, |
| 327 | 'backtrace' => debug_backtrace(), |
| 328 | ); |
| 329 | } |
| 330 | |
| 331 | return $response; |
| 332 | } |
| 333 | |
| 334 | /** |
| 335 | * @return array |
| 336 | */ |
| 337 | static function GetLogger() { |
| 338 | return self::$_logger; |
| 339 | } |
| 340 | |
| 341 | /** |
| 342 | * @param string $pCanonizedPath |
| 343 | * @param string $pMethod |
| 344 | * @param array $pParams |
| 345 | * @param null|array $pWPRemoteArgs |
| 346 | * @param bool $pIsSandbox |
| 347 | * @param null|callable $pBeforeExecutionFunction |
| 348 | * |
| 349 | * @return object[]|object|null |
| 350 | * |
| 351 | * @throws \Freemius_Exception |
| 352 | */ |
| 353 | private static function MakeStaticRequest( |
| 354 | $pCanonizedPath, |
| 355 | $pMethod = 'GET', |
| 356 | $pParams = array(), |
| 357 | $pWPRemoteArgs = null, |
| 358 | $pIsSandbox = false, |
| 359 | $pBeforeExecutionFunction = null |
| 360 | ) { |
| 361 | // Connectivity errors simulation. |
| 362 | if ( FS_SDK__SIMULATE_NO_API_CONNECTIVITY_CLOUDFLARE ) { |
| 363 | self::ThrowCloudFlareDDoSException(); |
| 364 | } else if ( FS_SDK__SIMULATE_NO_API_CONNECTIVITY_SQUID_ACL ) { |
| 365 | self::ThrowSquidAclException(); |
| 366 | } |
| 367 | |
| 368 | if ( empty( $pWPRemoteArgs ) ) { |
| 369 | $user_agent = 'Freemius/WordPress-SDK/' . Freemius_Api_Base::VERSION . '; ' . |
| 370 | home_url(); |
| 371 | |
| 372 | $pWPRemoteArgs = array( |
| 373 | 'method' => strtoupper( $pMethod ), |
| 374 | 'connect_timeout' => 10, |
| 375 | 'timeout' => 60, |
| 376 | 'follow_redirects' => true, |
| 377 | 'redirection' => 5, |
| 378 | 'user-agent' => $user_agent, |
| 379 | 'blocking' => true, |
| 380 | ); |
| 381 | } |
| 382 | |
| 383 | if ( ! isset( $pWPRemoteArgs['headers'] ) || |
| 384 | ! is_array( $pWPRemoteArgs['headers'] ) |
| 385 | ) { |
| 386 | $pWPRemoteArgs['headers'] = array(); |
| 387 | } |
| 388 | |
| 389 | if ( in_array( $pMethod, array( 'POST', 'PUT' ) ) ) { |
| 390 | $pWPRemoteArgs['headers']['Content-type'] = 'application/json'; |
| 391 | |
| 392 | if ( is_array( $pParams ) && 0 < count( $pParams ) ) { |
| 393 | $pWPRemoteArgs['body'] = json_encode( $pParams ); |
| 394 | } |
| 395 | } |
| 396 | |
| 397 | $request_url = self::GetUrl( $pCanonizedPath, $pIsSandbox ); |
| 398 | |
| 399 | $resource = explode( '?', $pCanonizedPath ); |
| 400 | |
| 401 | if ( FS_SDK__HAS_CURL ) { |
| 402 | // Disable the 'Expect: 100-continue' behaviour. This causes cURL to wait |
| 403 | // for 2 seconds if the server does not support this header. |
| 404 | $pWPRemoteArgs['headers']['Expect'] = ''; |
| 405 | } |
| 406 | |
| 407 | if ( 'https' === substr( strtolower( $request_url ), 0, 5 ) ) { |
| 408 | $pWPRemoteArgs['sslverify'] = FS_SDK__SSLVERIFY; |
| 409 | } |
| 410 | |
| 411 | if ( false !== $pBeforeExecutionFunction && |
| 412 | is_callable( $pBeforeExecutionFunction ) |
| 413 | ) { |
| 414 | $pWPRemoteArgs = call_user_func( $pBeforeExecutionFunction, $resource[0], $pWPRemoteArgs ); |
| 415 | } |
| 416 | |
| 417 | $result = self::ExecuteRequest( $request_url, $pWPRemoteArgs ); |
| 418 | |
| 419 | if ( is_wp_error( $result ) ) { |
| 420 | /** |
| 421 | * @var WP_Error $result |
| 422 | */ |
| 423 | if ( self::IsCurlError( $result ) ) { |
| 424 | /** |
| 425 | * With dual stacked DNS responses, it's possible for a server to |
| 426 | * have IPv6 enabled but not have IPv6 connectivity. If this is |
| 427 | * the case, cURL will try IPv4 first and if that fails, then it will |
| 428 | * fall back to IPv6 and the error EHOSTUNREACH is returned by the |
| 429 | * operating system. |
| 430 | */ |
| 431 | $matches = array(); |
| 432 | $regex = '/Failed to connect to ([^:].*): Network is unreachable/'; |
| 433 | if ( preg_match( $regex, $result->get_error_message( 'http_request_failed' ), $matches ) ) { |
| 434 | /** |
| 435 | * Validate IP before calling `inet_pton()` to avoid PHP un-catchable warning. |
| 436 | * @author Vova Feldman (@svovaf) |
| 437 | */ |
| 438 | if ( filter_var( $matches[1], FILTER_VALIDATE_IP ) ) { |
| 439 | if ( strlen( inet_pton( $matches[1] ) ) === 16 ) { |
| 440 | // error_log('Invalid IPv6 configuration on server, Please disable or get native IPv6 on your server.'); |
| 441 | // Hook to an action triggered just before cURL is executed to resolve the IP version to v4. |
| 442 | add_action( 'http_api_curl', 'Freemius_Api_WordPress::CurlResolveToIPv4', 10, 1 ); |
| 443 | |
| 444 | // Re-run request. |
| 445 | $result = self::ExecuteRequest( $request_url, $pWPRemoteArgs ); |
| 446 | } |
| 447 | } |
| 448 | } |
| 449 | } |
| 450 | |
| 451 | if ( is_wp_error( $result ) ) { |
| 452 | self::ThrowWPRemoteException( $result ); |
| 453 | } |
| 454 | } |
| 455 | |
| 456 | $response_body = $result['body']; |
| 457 | |
| 458 | if ( empty( $response_body ) ) { |
| 459 | return null; |
| 460 | } |
| 461 | |
| 462 | $decoded = json_decode( $response_body ); |
| 463 | |
| 464 | if ( is_null( $decoded ) ) { |
| 465 | if ( preg_match( '/Please turn JavaScript on/i', $response_body ) && |
| 466 | preg_match( '/text\/javascript/', $response_body ) |
| 467 | ) { |
| 468 | self::ThrowCloudFlareDDoSException( $response_body ); |
| 469 | } 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 ) && |
| 470 | preg_match( '/squid/', $response_body ) |
| 471 | ) { |
| 472 | self::ThrowSquidAclException( $response_body ); |
| 473 | } else { |
| 474 | $decoded = (object) array( |
| 475 | 'error' => (object) array( |
| 476 | 'type' => 'Unknown', |
| 477 | 'message' => $response_body, |
| 478 | 'code' => 'unknown', |
| 479 | 'http' => 402 |
| 480 | ) |
| 481 | ); |
| 482 | } |
| 483 | } |
| 484 | |
| 485 | return $decoded; |
| 486 | } |
| 487 | |
| 488 | |
| 489 | /** |
| 490 | * Makes an HTTP request. This method can be overridden by subclasses if |
| 491 | * developers want to do fancier things or use something other than wp_remote_request() |
| 492 | * to make the request. |
| 493 | * |
| 494 | * @param string $pCanonizedPath The URL to make the request to |
| 495 | * @param string $pMethod HTTP method |
| 496 | * @param array $pParams The parameters to use for the POST body |
| 497 | * @param null|array $pWPRemoteArgs wp_remote_request options. |
| 498 | * |
| 499 | * @return object[]|object|null |
| 500 | * |
| 501 | * @throws Freemius_Exception |
| 502 | */ |
| 503 | public function MakeRequest( |
| 504 | $pCanonizedPath, |
| 505 | $pMethod = 'GET', |
| 506 | $pParams = array(), |
| 507 | $pWPRemoteArgs = null |
| 508 | ) { |
| 509 | $resource = explode( '?', $pCanonizedPath ); |
| 510 | |
| 511 | // Only sign request if not ping.json connectivity test. |
| 512 | $sign_request = ( '/v1/ping.json' !== strtolower( substr( $resource[0], - strlen( '/v1/ping.json' ) ) ) ); |
| 513 | |
| 514 | return self::MakeStaticRequest( |
| 515 | $pCanonizedPath, |
| 516 | $pMethod, |
| 517 | $pParams, |
| 518 | $pWPRemoteArgs, |
| 519 | $this->_isSandbox, |
| 520 | $sign_request ? array( &$this, 'SignRequest' ) : null |
| 521 | ); |
| 522 | } |
| 523 | |
| 524 | /** |
| 525 | * Sets CURLOPT_IPRESOLVE to CURL_IPRESOLVE_V4 for cURL-Handle provided as parameter |
| 526 | * |
| 527 | * @param resource $handle A cURL handle returned by curl_init() |
| 528 | * |
| 529 | * @return resource $handle A cURL handle returned by curl_init() with CURLOPT_IPRESOLVE set to |
| 530 | * CURL_IPRESOLVE_V4 |
| 531 | * |
| 532 | * @link https://gist.github.com/golderweb/3a2aaec2d56125cc004e |
| 533 | */ |
| 534 | static function CurlResolveToIPv4( $handle ) { |
| 535 | curl_setopt( $handle, CURLOPT_IPRESOLVE, CURL_IPRESOLVE_V4 ); |
| 536 | |
| 537 | return $handle; |
| 538 | } |
| 539 | |
| 540 | #---------------------------------------------------------------------------------- |
| 541 | #region Connectivity Test |
| 542 | #---------------------------------------------------------------------------------- |
| 543 | |
| 544 | /** |
| 545 | * If successful connectivity to the API endpoint using ping.json endpoint. |
| 546 | * |
| 547 | * - OR - |
| 548 | * |
| 549 | * Validate if ping result object is valid. |
| 550 | * |
| 551 | * @param mixed $pPong |
| 552 | * |
| 553 | * @return bool |
| 554 | */ |
| 555 | public static function Test( $pPong = null ) { |
| 556 | $pong = is_null( $pPong ) ? |
| 557 | self::Ping() : |
| 558 | $pPong; |
| 559 | |
| 560 | return ( |
| 561 | is_object( $pong ) && |
| 562 | isset( $pong->api ) && |
| 563 | 'pong' === $pong->api |
| 564 | ); |
| 565 | } |
| 566 | |
| 567 | /** |
| 568 | * Ping API to test connectivity. |
| 569 | * |
| 570 | * @return object |
| 571 | */ |
| 572 | public static function Ping() { |
| 573 | try { |
| 574 | $result = self::MakeStaticRequest( '/v' . FS_API__VERSION . '/ping.json' ); |
| 575 | } catch ( Freemius_Exception $e ) { |
| 576 | // Map to error object. |
| 577 | $result = (object) $e->getResult(); |
| 578 | } catch ( Exception $e ) { |
| 579 | // Map to error object. |
| 580 | $result = (object) array( |
| 581 | 'error' => (object) array( |
| 582 | 'type' => 'Unknown', |
| 583 | 'message' => $e->getMessage() . ' (' . $e->getFile() . ': ' . $e->getLine() . ')', |
| 584 | 'code' => 'unknown', |
| 585 | 'http' => 402 |
| 586 | ) |
| 587 | ); |
| 588 | } |
| 589 | |
| 590 | return $result; |
| 591 | } |
| 592 | |
| 593 | #endregion |
| 594 | |
| 595 | #---------------------------------------------------------------------------------- |
| 596 | #region Connectivity Exceptions |
| 597 | #---------------------------------------------------------------------------------- |
| 598 | |
| 599 | /** |
| 600 | * @param \WP_Error $pError |
| 601 | * |
| 602 | * @return bool |
| 603 | */ |
| 604 | private static function IsCurlError( WP_Error $pError ) { |
| 605 | $message = $pError->get_error_message( 'http_request_failed' ); |
| 606 | |
| 607 | return ( 0 === strpos( $message, 'cURL' ) ); |
| 608 | } |
| 609 | |
| 610 | /** |
| 611 | * @param WP_Error $pError |
| 612 | * |
| 613 | * @throws Freemius_Exception |
| 614 | */ |
| 615 | private static function ThrowWPRemoteException( WP_Error $pError ) { |
| 616 | if ( self::IsCurlError( $pError ) ) { |
| 617 | $message = $pError->get_error_message( 'http_request_failed' ); |
| 618 | |
| 619 | #region Check if there are any missing cURL methods. |
| 620 | |
| 621 | $curl_required_methods = array( |
| 622 | 'curl_version', |
| 623 | 'curl_exec', |
| 624 | 'curl_init', |
| 625 | 'curl_close', |
| 626 | 'curl_setopt', |
| 627 | 'curl_setopt_array', |
| 628 | 'curl_error', |
| 629 | ); |
| 630 | |
| 631 | // Find all missing methods. |
| 632 | $missing_methods = array(); |
| 633 | foreach ( $curl_required_methods as $m ) { |
| 634 | if ( ! function_exists( $m ) ) { |
| 635 | $missing_methods[] = $m; |
| 636 | } |
| 637 | } |
| 638 | |
| 639 | if ( ! empty( $missing_methods ) ) { |
| 640 | throw new Freemius_Exception( array( |
| 641 | 'error' => (object) array( |
| 642 | 'type' => 'cUrlMissing', |
| 643 | 'message' => $message, |
| 644 | 'code' => 'curl_missing', |
| 645 | 'http' => 402 |
| 646 | ), |
| 647 | 'missing_methods' => $missing_methods, |
| 648 | ) ); |
| 649 | } |
| 650 | |
| 651 | #endregion |
| 652 | |
| 653 | // cURL error - "cURL error {{errno}}: {{error}}". |
| 654 | $parts = explode( ':', substr( $message, strlen( 'cURL error ' ) ), 2 ); |
| 655 | |
| 656 | $code = ( 0 < count( $parts ) ) ? $parts[0] : 'http_request_failed'; |
| 657 | $message = ( 1 < count( $parts ) ) ? $parts[1] : $message; |
| 658 | |
| 659 | $e = new Freemius_Exception( array( |
| 660 | 'error' => (object) array( |
| 661 | 'code' => $code, |
| 662 | 'message' => $message, |
| 663 | 'type' => 'CurlException', |
| 664 | ), |
| 665 | ) ); |
| 666 | } else { |
| 667 | $e = new Freemius_Exception( array( |
| 668 | 'error' => (object) array( |
| 669 | 'code' => $pError->get_error_code(), |
| 670 | 'message' => $pError->get_error_message(), |
| 671 | 'type' => 'WPRemoteException', |
| 672 | ), |
| 673 | ) ); |
| 674 | } |
| 675 | |
| 676 | throw $e; |
| 677 | } |
| 678 | |
| 679 | /** |
| 680 | * @param string $pResult |
| 681 | * |
| 682 | * @throws Freemius_Exception |
| 683 | */ |
| 684 | private static function ThrowCloudFlareDDoSException( $pResult = '' ) { |
| 685 | throw new Freemius_Exception( array( |
| 686 | 'error' => (object) array( |
| 687 | 'type' => 'CloudFlareDDoSProtection', |
| 688 | 'message' => $pResult, |
| 689 | 'code' => 'cloudflare_ddos_protection', |
| 690 | 'http' => 402 |
| 691 | ) |
| 692 | ) ); |
| 693 | } |
| 694 | |
| 695 | /** |
| 696 | * @param string $pResult |
| 697 | * |
| 698 | * @throws Freemius_Exception |
| 699 | */ |
| 700 | private static function ThrowSquidAclException( $pResult = '' ) { |
| 701 | throw new Freemius_Exception( array( |
| 702 | 'error' => (object) array( |
| 703 | 'type' => 'SquidCacheBlock', |
| 704 | 'message' => $pResult, |
| 705 | 'code' => 'squid_cache_block', |
| 706 | 'http' => 402 |
| 707 | ) |
| 708 | ) ); |
| 709 | } |
| 710 | |
| 711 | #endregion |
| 712 | } |