# content-protector/4.3.14/inc/class-ps-conditional.php

Passster – Password Protect Pages and Content, version 4.3.14. 64 lines.

- Page: https://pluginprobe.com/plugins/content-protector/4.3.14/code/inc/class-ps-conditional.php
- Raw: https://pluginprobe.com/plugins/content-protector/4.3.14/raw/inc/class-ps-conditional.php
- Modified: 2026-09-03T13:47:32+00:00

Line numbers below start at 1. Link to a line or a range by appending a fragment to the
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```php
<?php

namespace passster;

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

    /**
     * Validate the password.
     *
     * @param string $input given password to validate.
     * @param array $atts given arguments to check.
     *
     * @return bool
     * @throws Exception
     */
    public static function is_valid_password( string $input, array $atts ) : bool {
        // password.
        if ( !empty( $atts['password'] ) ) {
            $hash = hash_hmac( 'sha256', wp_unslash( $atts['password'] ), get_option( 'passster_secure_key' ) );
            if ( hash_equals( $hash, $input ) ) {
                return true;
            }
        }
        return false;
    }

}

```