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<?php namespace ShortPixel\Controller; use ShortPixel\ShortpixelLogger\ShortPixelLogger as Log; class QuotaController { protected static $instance; const CACHE_NAME = 'quotaData'; protected $quotaData; public function __construct() { } public static function getInstance() { if (is_null(self::$instance)) self::$instance = new QuotaController(); return self::$instance; } public function hasQuota() { $settings = \wpSPIO()->settings(); if ($settings->quotaExceeded) { return false; } return true; } protected function getQuotaData() { if (! is_null($this->quotaData)) return $this->quotaData; $cache = new CacheController(); $cacheData = $cache->getItem(self::CACHE_NAME); if (! $cacheData->exists() ) { $quotaData = $this->getRemoteQuota(); if (! $this->hasQuota()) $timeout = MINUTE_IN_SECONDS; else { $timeout = HOUR_IN_SECONDS; } $cache->storeItem(self::CACHE_NAME, $quotaData, $timeout); } else { $quotaData = $cacheData->getValue(); } return $quotaData; } public function getQuota() { $quotaData = $this->getQuotaData(); $DateNow = time(); $DateSubscription = strtotime($quotaData['APILastRenewalDate']); $DaysToReset = 30 - ( (int) ( ( $DateNow - $DateSubscription) / 84600) % 30); $quota = (object) [ 'unlimited' => isset($quotaData['Unlimited']) ? $quotaData['Unlimited'] : false, 'monthly' => (object) [ 'text' => sprintf(__('%s/month', 'shortpixel-image-optimiser'), $quotaData['APICallsQuota']), 'total' => $quotaData['APICallsQuotaNumeric'], 'consumed' => $quotaData['APICallsMadeNumeric'], 'remaining' => max($quotaData['APICallsQuotaNumeric'] - $quotaData['APICallsMadeNumeric'], 0), 'renew' => $DaysToReset, ], 'onetime' => (object) [ 'text' => $quotaData['APICallsQuotaOneTime'], 'total' => $quotaData['APICallsQuotaOneTimeNumeric'], 'consumed' => $quotaData['APICallsMadeOneTimeNumeric'], 'remaining' => $quotaData['APICallsQuotaOneTimeNumeric'] - $quotaData['APICallsMadeOneTimeNumeric'], ], ]; $quota->total = (object) [ 'total' => $quota->monthly->total + $quota->onetime->total, 'consumed' => $quota->monthly->consumed + $quota->onetime->consumed, 'remaining' =>$quota->monthly->remaining + $quota->onetime->remaining, ]; return $quota; } public function getAvailableQuota() { $quota = $this->getQuota(); /max(0, $quotaData['APICallsQuotaNumeric'] + $quotaData['APICallsQuotaOneTimeNumeric'] - $quotaData['APICallsMadeNumeric'] - $quotaData['APICallsMadeOneTimeNumeric']))); / return $quota->total->remaining; } public function forceCheckRemoteQuota() { $cache = new CacheController(); $cacheData = $cache->getItem(self::CACHE_NAME); $cacheData->delete(); $this->quotaData = null; //$this->getRemoteQuota(); } public function remoteValidateKey($key) { // Remove the cache before checking. $this->forceCheckRemoteQuota(); return $this->getRemoteQuota($key, true); } /** * Function should be called when plugin detects the remote quota has been exceeded */ public function setQuotaExceeded() { $settings = \wpSPIO()->settings(); $settings->quotaExceeded = 1; $this->forceCheckRemoteQuota(); // remove the previous cache. } private function resetQuotaExceeded() { $settings = \wpSPIO()->settings(); AdminNoticesController::resetAPINotices(); // Only reset after a quotaExceeded situation, otherwise it keeps popping. if ($settings->quotaExceeded == 1) { AdminNoticesController::resetQuotaNotices(); } Log::addDebug('Reset Quota Exceeded and reset Notices'); $settings->quotaExceeded = 0; } private function getRemoteQuota($apiKey = false, $validate = false) { if (! $apiKey && ! $validate) // validation is done by apikeymodel, might result in a loop. { $keyControl = ApiKeyController::getInstance(); $apiKey = $keyControl->forceGetApiKey(); } $settings = \wpSPIO()->settings(); if($settings->httpProto != 'https' && $settings->httpProto != 'http') { $settings->httpProto = 'https'; } $requestURL = $settings->httpProto . '://' . SHORTPIXEL_API . '/v2/api-status.php'; $args = array( 'timeout'=> 15, // wait for 15 secs. 'body' => array('key' => $apiKey) ); $argsStr = "?key=".$apiKey; $serverAgent = isset($_SERVER['HTTP_USER_AGENT']) ? urlencode(sanitize_text_field(wp_unslash($_SERVER['HTTP_USER_AGENT']))) : ''; $args['body']['useragent'] = "Agent" . $serverAgent; $argsStr .= "&useragent=Agent".$args['body']['useragent']; // Only used for keyValidation if($validate) { $statsController = StatsController::getInstance(); $imageCount = $statsController->find('media', 'itemsTotal'); $thumbsCount = $statsController->find('media', 'thumbsTotal'); $args['body']['DomainCheck'] = get_site_url(); $args['body']['Info'] = get_bloginfo('version') . '\|' . phpversion(); $args['body']['ImagesCount'] = $imageCount; //$imageCount['mainFiles']; $args['body']['ThumbsCount'] = $thumbsCount; // $imageCount['totalFiles'] - $imageCount['mainFiles']; $argsStr .= "&DomainCheck={$args['body']['DomainCheck']}&Info={$args['body']['Info']}&ImagesCount=$imageCount&ThumbsCount=$thumbsCount"; } $args['body']['host'] = parse_url(get_site_url(),PHP_URL_HOST); $argsStr .= "&host={$args['body']['host']}"; if (defined('SHORTPIXEL_HTTP_AUTH_USER') && defined('SHORTPIXEL_HTTP_AUTH_PASSWORD')) { $args['body']['user'] = stripslashes(SHORTPIXEL_HTTP_AUTH_USER); $args['body']['pass'] = stripslashes(SHORTPIXEL_HTTP_AUTH_PASSWORD); $argsStr .= '&user=' . urlencode($args['body']['user']) . '&pass=' . urlencode($args['body']['pass']); } elseif(! is_null($settings->siteAuthUser) && strlen($settings->siteAuthUser)) { $args['body']['user'] = stripslashes($settings->siteAuthUser); $args['body']['pass'] = stripslashes($settings->siteAuthPass); $argsStr .= '&user=' . urlencode($args['body']['user']) . '&pass=' . urlencode($args['body']['pass']); } if($settings !== false) { $args['body']['Settings'] = $settings; } $time = microtime(true); $comm = array(); //Try first HTTPS post. add the sslverify = false if https if($settings->httpProto === 'https') { $args['sslverify'] = apply_filters('shortpixel/system/sslverify', true); } $response = wp_remote_post($requestURL, $args); $comm['A: ' . (number_format(microtime(true) - $time, 2))] = array("sent" => "POST: " . $requestURL, "args" => $args, "received" => $response); //some hosting providers won't allow https:// POST connections so we try http:// as well if(is_wp_error( $response )) { $requestURL = $settings->httpProto == 'https' ? str_replace('https://', 'http://', $requestURL) : str_replace('http://', 'https://', $requestURL); // add or remove the sslverify if($settings->httpProto === 'https') { $args['sslverify'] = apply_filters('shortpixel/system/sslverify', true); } else { unset($args['sslverify']); } $response = wp_remote_post($requestURL, $args); $comm['B: ' . (number_format(microtime(true) - $time, 2))] = array("sent" => "POST: " . $requestURL, "args" => $args, "received" => $response); if(!is_wp_error( $response )){ $settings->httpProto = ($settings->httpProto == 'https' ? 'http' : 'https'); } else { } } //Second fallback to HTTP get if(is_wp_error( $response )){ $args['body'] = null; $requestURL .= $argsStr; $response = wp_remote_get($requestURL, $args); $comm['C: ' . (number_format(microtime(true) - $time, 2))] = array("sent" => "POST: " . $requestURL, "args" => $args, "received" => $response); } Log::addInfo("API STATUS COMM: " . json_encode($comm)); $defaultData = array( "APIKeyValid" => false, "Message" => __('API Key could not be validated due to a connectivity error.<BR>Your firewall may be blocking us. Please contact your hosting provider and ask them to allow connections from your site to api.shortpixel.com (IP 176.9.21.94).<BR> If you still cannot validate your API Key after this, please <a href="https://shortpixel.com/contact" target="_blank">contact us</a> and we will try to help. ','shortpixel-image-optimiser'), "APICallsMade" => __('Information unavailable. Please check your API key.','shortpixel-image-optimiser'), "APICallsQuota" => __('Information unavailable. Please check your API key.','shortpixel-image-optimiser'), "APICallsMadeOneTime" => 0, "APICallsQuotaOneTime" => 0, "APICallsMadeNumeric" => 0, "APICallsQuotaNumeric" => 0, "APICallsMadeOneTimeNumeric" => 0, "APICallsQuotaOneTimeNumeric" => 0, "APICallsRemaining" => 0, "APILastRenewalDate" => 0, "DomainCheck" => 'NOT Accessible'); $defaultData = is_array($settings->currentStats) ? array_merge( $settings->currentStats, $defaultData) : $defaultData; if(is_object($response) && get_class($response) == 'WP_Error') { $urlElements = parse_url($requestURL); $portConnect = @fsockopen($urlElements['host'],8,$errno,$errstr,15); if(!$portConnect) { $defaultData['Message'] .= "<BR>Debug info: <i>$errstr</i>"; } return $defaultData; } if($response['response']['code'] != 200) { return $defaultData; } $data = $response['body']; $data = json_decode($data); if(empty($data)) { return $defaultData; } if($data->Status->Code != 2) { $defaultData['Message'] = $data->Status->Message; return $defaultData; } $dataArray = array( "APIKeyValid" => true, "APICallsMade" => number_format($data->APICallsMade) . __(' credits','shortpixel-image-optimiser'), "APICallsQuota" => number_format($data->APICallsQuota) . __(' credits','shortpixel-image-optimiser'), "APICallsMadeOneTime" => number_format($data->APICallsMadeOneTime) . __(' credits','shortpixel-image-optimiser'), "APICallsQuotaOneTime" => number_format($data->APICallsQuotaOneTime) . __(' credits','shortpixel-image-optimiser'), "APICallsMadeNumeric" => (int) max($data->APICallsMade, 0), "APICallsQuotaNumeric" => (int) max($data->APICallsQuota, 0), "APICallsMadeOneTimeNumeric" => (int) max($data->APICallsMadeOneTime, 0), "APICallsQuotaOneTimeNumeric" => (int) max($data->APICallsQuotaOneTime, 0), "Unlimited" => ($data->Unlimited == 'true') ? true : false, "APILastRenewalDate" => $data->DateSubscription, "DomainCheck" => (isset($data->DomainCheck) ? $data->DomainCheck : null) ); // My Eyes! Basically : ApiCalls - ApiCalls used, both for monthly and onetime. Max of each is 0. Negative quota seems possible, but should not be substracted from one or the other. $dataArray["APICallsRemaining"] = max($dataArray['APICallsQuotaNumeric'] - $dataArray['APICallsMadeNumeric'], 0) + max($dataArray['APICallsQuotaOneTimeNumeric'] - $dataArray['APICallsMadeOneTimeNumeric'],0); //reset quota exceeded flag -> user is allowed to process more images. if ( $dataArray['APICallsRemaining'] > 0 \|\| $dataArray['Unlimited']) { $this->resetQuotaExceeded(); } else { //activate quota limiting $this->setQuotaExceeded(); } Log::addDebug('GetQuotaInformation Result ', $dataArray); return $dataArray; } }

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