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<?php |
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|
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namespace passster; |
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|
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use Exception; |
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class PS_Conditional { |
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/** |
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* Check if valid authentication exists. |
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* |
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* @param array $atts array of attributes. |
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* |
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* @return boolean |
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* @throws Exception |
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*/ |
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public static function is_valid( array $atts ) : bool { |
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$inputs = array(); |
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// is Cookie set? Support multiple hashes (pipe-separated). |
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if ( !empty( $_COOKIE['passster'] ) ) { |
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$cookie_value = esc_html( $_COOKIE['passster'] ); |
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// Split by pipe to support multiple password hashes |
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$inputs = array_filter( explode( '|', $cookie_value ) ); |
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} |
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// For backwards compatibility, also check single input |
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$input = ( !empty( $inputs ) ? $inputs[0] : '' ); |
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// Valid password - check all inputs from cookie (supports multiple unlocks). |
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foreach ( $inputs as $input ) { |
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if ( self::is_valid_password( $input, $atts ) ) { |
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return true; |
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} |
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} |
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// captcha - check all inputs. |
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if ( isset( $atts['captcha'] ) ) { |
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foreach ( $inputs as $input ) { |
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if ( 'captcha' === $input ) { |
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return true; |
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} |
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} |
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} |
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// if nothing was correct. |
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return false; |
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} |
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|
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/** |
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* Validate the password. |
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* |
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* @param string $input given password to validate. |
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* @param array $atts given arguments to check. |
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* |
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* @return bool |
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* @throws Exception |
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*/ |
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public static function is_valid_password( string $input, array $atts ) : bool { |
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// password. |
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if ( !empty( $atts['password'] ) ) { |
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$hash = hash_hmac( 'sha256', esc_html( $atts['password'] ), get_option( 'passster_secure_key' ) ); |
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if ( hash_equals( $hash, $input ) ) { |
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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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|
