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<?php |
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/** |
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* Handles Cloudflare CIDR IP ranges. |
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* |
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* @package WP_Defender\Component\Trusted_Proxy_Preset |
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*/ |
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|
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namespace WP_Defender\Component\Trusted_Proxy_Preset; |
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|
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use Calotes\Base\Component; |
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use WP_Defender\Controller\Firewall; |
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|
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/** |
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* Provides methods for managing Cloudflare CIDR IP ranges. |
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*/ |
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class Cloudflare_Proxy extends Component implements Trusted_Proxy_Preset_Strategy_Interface { |
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|
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public const PROXY_SLUG = 'cloudflare'; |
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public const OPTION_NAME = 'wpdef_cloudflare_ips'; |
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public const PROXY_API = 'https://api.cloudflare.com/client/v4/ips'; |
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|
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/** |
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* Get Cloudflare CIDR IP ranges. |
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* |
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* @return array |
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*/ |
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public function get_ips(): array { |
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$ip_ranges = get_site_option( self::OPTION_NAME, false ); |
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|
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if ( false === $ip_ranges ) { |
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$ip_ranges = $this->update_ips(); |
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} |
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|
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return is_array( $ip_ranges ) ? $ip_ranges : array(); |
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} |
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|
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/** |
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* Update Cloudflare CIDR IP ranges from API. |
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* |
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* @return bool|array |
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*/ |
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public function update_ips() { |
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$response = wp_remote_get( self::PROXY_API ); |
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|
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if ( is_wp_error( $response ) ) { |
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$this->log( 'Error fetching Cloudflare IPs: ' . $response->get_error_message(), Firewall::FIREWALL_LOG ); |
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|
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return false; |
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} |
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|
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$body = wp_remote_retrieve_body( $response ); |
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$data = json_decode( $body, true ); |
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|
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if ( ! $data || ! ( isset( $data['result']['ipv4_cidrs'] ) || isset( $data['result']['ipv6_cidrs'] ) ) ) { |
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$this->log( 'Invalid response from Cloudflare API', Firewall::FIREWALL_LOG ); |
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|
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return false; |
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} |
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|
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$ip_ranges = array_merge( |
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$data['result']['ipv4_cidrs'] ?? array(), |
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$data['result']['ipv6_cidrs'] ?? array() |
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); |
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|
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// Store IP ranges in the database. |
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update_site_option( self::OPTION_NAME, $ip_ranges ); |
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|
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return $ip_ranges; |
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} |
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|
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/** |
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* Delete Cloudflare CIDR IP ranges. |
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* |
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* @return bool |
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*/ |
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public function delete_ips(): bool { |
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return delete_site_option( self::OPTION_NAME ); |
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} |
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} |
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|
