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<?php |
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|
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namespace WPDataAccess\Utilities { |
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|
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use WPDataAccess\WPDA; |
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|
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class WPDA_Mail { |
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|
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const WPDA_MAIL_SERVER_OPTION = 'wpda_mail_server'; |
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const CIPHER = 'AES-256-CBC'; |
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const KEY = '886BF60F78C0EEACA0DC73D9C8E9A964CE7CFCD9DD459DE76F985030ADE0423A'; |
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|
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public static function send( |
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$to, |
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$subject, |
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$message, |
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$attachments = array() |
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) { |
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|
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ob_start(); |
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|
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do_action( 'wpda_sending_mail' ); |
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$result = wp_mail( |
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$to, |
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$subject, |
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$message, |
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array( |
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'Content-Type: text/html; charset=UTF-8', |
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), |
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$attachments |
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); |
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|
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$output = ob_get_clean(); |
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|
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if ( $result ) { |
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return array( |
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'code' => 'ok', |
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'debug' => $output, |
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'message' => 'Successfully processed request', |
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); |
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} else { |
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return array( |
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'code' => 'error', |
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'debug' => $output, |
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'message' => 'Failed to process request', |
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); |
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} |
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|
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} |
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|
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public static function mail_activated() { |
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|
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$mail = self::get_option(); |
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if ( |
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false !== $mail && |
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( |
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! isset( $mail['activate'] ) || |
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'on' === $mail['activate'] |
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) |
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) { |
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return true; |
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} |
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|
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return false; |
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|
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} |
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|
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public static function get_option() { |
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|
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$option = get_option( |
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self::WPDA_MAIL_SERVER_OPTION |
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); |
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|
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if ( false !== $option ) { |
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return json_decode( self::decrypt( $option ), true ); // Decrypt option |
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} else { |
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return false; |
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} |
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|
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} |
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|
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public static function update_option( $option ) { |
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|
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return update_option( |
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self::WPDA_MAIL_SERVER_OPTION, |
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self::encrypt( json_encode( $option ) ) // Encrypt option |
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); |
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|
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} |
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|
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public static function delete_option() { |
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|
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return delete_option( |
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self::WPDA_MAIL_SERVER_OPTION |
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); |
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|
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} |
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|
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private static function encrypt( $string ) { |
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|
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$ivlen = openssl_cipher_iv_length( self::CIPHER ); |
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$iv = openssl_random_pseudo_bytes( $ivlen ); |
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|
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$ciphertext_raw = openssl_encrypt( $string, self::CIPHER, self::KEY, OPENSSL_RAW_DATA, $iv ); |
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$hmac = hash_hmac('sha256', $ciphertext_raw, self::KEY, true ); |
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|
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return base64_encode($iv . $hmac . $ciphertext_raw); |
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|
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} |
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|
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private static function decrypt( $string ) { |
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|
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$c = base64_decode( $string ); |
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$ivlen = openssl_cipher_iv_length( self::CIPHER ); |
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$iv = substr( $c, 0, $ivlen ); |
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$hmac = substr( $c, $ivlen, 32 ); |
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|
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$ciphertext_raw = substr( $c, $ivlen + 32 ); |
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$calculated_hmac = hash_hmac('sha256', $ciphertext_raw, self::KEY, true); |
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|
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if ( ! hash_equals($hmac, $calculated_hmac) ) { |
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return false; |
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} |
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|
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return openssl_decrypt( $ciphertext_raw, self::CIPHER, self::KEY, OPENSSL_RAW_DATA, $iv ); |
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|
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} |
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|
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} |
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|
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} |
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|
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|
