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apiKey = $apiKey; $this->paid = $paid; $this->setType($type); $this->remainingDays = $remainingDays; $this->conflicting = $conflicting; $this->deleted = $deleted; $this->keyType = $keyType; } public function setApiKey($apiKey) { $this->apiKey = $apiKey; return $this; } public function getApiKey() { return $this->apiKey; } public function setPaid($paid) { $this->paid = $paid; return $this; } public function isPaid() { return $this->paid; } public function setType($type) { $this->type = $type !== null && self::isValidType($type) ? (string) $type : ($this->isPaid() ? self::TYPE_PREMIUM : self::TYPE_FREE); return $this; } public function getType() { return $this->type === null ? self::TYPE_FREE : $this->type; } public function is($type, $orGreater = false) { return $this->type === $type || ($orGreater && $this->isAtLeast($type)); } public function setRemainingDays($days) { $this->remainingDays = (int) $days; return $this; } public function getRemainingDays() { return $this->remainingDays; } public function setConflicting($conflicting = true) { $this->conflicting = $conflicting; return $this; } public function hasConflict() { return $this->conflicting; } public function setDeleted($deleted = true) { $this->deleted = $deleted; return $this; } public function isExpired() { return $this->getKeyType() === self::KEY_TYPE_PAID_EXPIRED; } public function isValid() { return !$this->isExpired(); } public function isPaidAndCurrent() { return $this->getKeyType() === self::KEY_TYPE_PAID_CURRENT; } private function resolveKeyType() { if ($this->deleted) return self::KEY_TYPE_PAID_DELETED; if ($this->paid) { if ($this->remainingDays >= 0) return self::KEY_TYPE_PAID_CURRENT; else return self::KEY_TYPE_PAID_EXPIRED; } return self::KEY_TYPE_FREE; } public function getKeyType() { if (!$this->keyType) $this->keyType = $this->resolveKeyType(); return $this->keyType; } private function clearCache() { $this->keyType = null; } private function compareTiers($a, $b, $inclusive = true) { if ($a === $b) return $inclusive; foreach (self::$TYPES as $tier) { if ($tier === $a) return true; if ($tier === $b) return false; } return false; } /** * Check if the license type is at or above the given tier */ public function isAtLeast($type) { if ($type !== self::TYPE_FREE && !$this->isValid()) return false; return $this->compareTiers($type, $this->getType()); } public function isBelow($type) { if ($type !== self::TYPE_FREE && !$this->isValid()) return true; return $this->compareTiers($this->getType(), $type, false); } public function isPremium($orGreater = false) { return $this->is(self::TYPE_PREMIUM, $orGreater); } public function isAtLeastPremium() { return $this->isPremium(true); } public function isBelowPremium() { return $this->isBelow(self::TYPE_PREMIUM); } public function isCare($orGreater = false) { return $this->is(self::TYPE_CARE, $orGreater); } public function isAtLeastCare() { return $this->isCare(true); } public function isBelowCare() { return $this->isBelow(self::TYPE_CARE); } public function isResponse($orGreater = false) { return $this->is(self::TYPE_RESPONSE, $orGreater); } public function isAtLeastResponse() { return $this->isResponse(true); } public function isBelowResponse() { return $this->isBelow(self::TYPE_RESPONSE); } public function getShieldLogo() { $type = $this->getType(); return wfUtils::getBaseURL() . "images/logos/shield-{$type}.svg"; } public function getStylesheet($global = false) { $type = $this->getType(); $suffix = $global ? '-global' : ''; return wfUtils::getBaseURL() . wfUtils::versionedAsset("css/license/{$type}{$suffix}.css", '', WORDFENCE_VERSION); } public function getGlobalStylesheet() { return $this->getStylesheet(true); } public function getTypeLabel($requireCurrent = true, $includePrefix = null) { $paidKeyTypes = array(self::KEY_TYPE_PAID_CURRENT); if (!$requireCurrent) { $paidKeyTypes[] = self::KEY_TYPE_PAID_EXPIRED; $paidKeyTypes[] = self::KEY_TYPE_PAID_DELETED; } if (in_array($this->getKeyType(), $paidKeyTypes)) { switch ($this->type) { case self::TYPE_CARE: return $includePrefix || $includePrefix === null ? __('Wordfence Care', 'wordfence') : __('Care', 'wordfence'); case self::TYPE_RESPONSE: return $includePrefix || $includePrefix === null ? __('Wordfence Response', 'wordfence') : __('Response', 'wordfence'); case self::TYPE_PREMIUM: default: return $includePrefix ? __('Wordfence Premium', 'wordfence') : __('Premium', 'wordfence'); } } return $includePrefix ? __('Wordfence Free', 'wordfence') : __('Free', 'wordfence'); } public function getBaseTypeLabel($requireCurrent = true) { return $this->getTypeLabel($requireCurrent, false); } public function getPrefixedTypeLabel($requireCurrent = true) { return $this->getTypeLabel($requireCurrent, true); } private function generateLicenseUrl($path, $query = array(), $campaign = null) { if ($campaign !== null) $campaign = "gnl1{$campaign}"; $url = implode( '/', array_filter(array( 'https://www.wordfence.com', $campaign, $path )) ); return $url . (empty($query) ? '' : ('?' . http_build_query($query))); } public function getSupportUrl($campaign = null) { return $this->generateLicenseUrl( 'get-help', array( 'license' => $this->apiKey ), $campaign ); } public function getUpgradeUrl($campaign = null) { if ($this->isAtLeastPremium()) { return $this->generateLicenseUrl( 'licenses', array( 'upgrade' => $this->apiKey ), $campaign ); } else { return $this->generateLicenseUrl( 'products/pricing/', array(), $campaign ); } } private function writeConfig($hasError = false) { $this->clearCache(); $keyType = $this->getKeyType(); wfConfig::set(self::CONFIG_API_KEY, $this->apiKey); wfConfig::set(self::CONFIG_TYPE, $this->type); wfConfig::set(self::CONFIG_REMAINING_DAYS, $this->remainingDays); wfConfig::set(self::CONFIG_PAID, $keyType === self::KEY_TYPE_PAID_CURRENT); wfConfig::setOrRemove(self::CONFIG_HAS_KEY_CONFLICT, $this->conflicting ? 1 : null); if (!$hasError) { //Only save a limited subset of the config if an API error occurred wfConfig::set(self::CONFIG_KEY_TYPE, $keyType); } } /** * @param bool $hasError whether or not an error occurred while retrieving the current license data */ public function save($hasError = false) { $this->writeConfig($hasError); } public function downgradeToFree($apiKey) { $this->apiKey = $apiKey; $this->type = self::TYPE_FREE; $this->paid = false; $this->keyType = self::KEY_TYPE_FREE; $this->conflicting = false; $this->deleted = false; $this->remainingDays = -1; return $this; } public static function isValidType($type) { return in_array($type, self::$TYPES); } private static function fromConfig() { $values = wfConfig::getMultiple(array( self::CONFIG_API_KEY => null, self::CONFIG_PAID => false, self::CONFIG_KEY_TYPE => null, self::CONFIG_TYPE => self::TYPE_FREE, )); $keyType = $values[self::CONFIG_KEY_TYPE]; $remainingDays = null; $conflicting = false; if ($keyType != self::KEY_TYPE_FREE) { $premiumValues = wfConfig::getMultiple(array( self::CONFIG_REMAINING_DAYS => null, self::CONFIG_HAS_KEY_CONFLICT => false, )); if ($premiumValues[self::CONFIG_REMAINING_DAYS] !== null) { $remainingDays = (int) $premiumValues[self::CONFIG_REMAINING_DAYS]; } $conflicting = (bool) $premiumValues[self::CONFIG_HAS_KEY_CONFLICT]; } return new self( (string) $values[self::CONFIG_API_KEY], (bool) $values[self::CONFIG_PAID], (string) $values[self::CONFIG_TYPE], $remainingDays, $conflicting, $keyType === self::KEY_TYPE_PAID_DELETED, $keyType ); } public static function current() { if (self::$current === null) { self::$current = self::fromConfig(); } return self::$current; } const REGISTRATION_TOKEN_TTL = 86400; //24 hours const REGISTRATION_TOKEN_KEY = 'wfRegistrationToken'; const REGISTRATION_TOKEN_LENGTH = 32; public static function getRegistrationToken($refreshTtl = false) { $token = get_transient(self::REGISTRATION_TOKEN_KEY); if ($token === false) { $token = openssl_random_pseudo_bytes(self::REGISTRATION_TOKEN_LENGTH); if ($token === false) throw new Exception('Unable to generate registration token'); $token = wfUtils::base64url_encode($token); $refreshTtl = true; } if ($refreshTtl) set_transient(self::REGISTRATION_TOKEN_KEY, $token, self::REGISTRATION_TOKEN_TTL); return $token; } public static function validateRegistrationToken($token) { $expected = self::getRegistrationToken(); //Note that the length of $expected is publicly known since it's in the plugin source, so differening lengths immediately triggering a false return is not a cause for concern return hash_equals($expected, $token); } public static function generateRegistrationLink() { $wfWebsite = wfWebsite::getInstance(); $stats = wfAPI::generateSiteStats(); $token = self::getRegistrationToken(true); $returnUrl = network_admin_url('admin.php?page=WordfenceInstall'); $payload = array( self::REGISTRATION_PAYLOAD_VERSION, $stats, $token, $returnUrl, ); $payload = implode(';', $payload); $payload = wfUtils::base64url_encode($payload); return $wfWebsite->getUrl("plugin/registration/{$payload}"); } }