<?php

/**
 * Adds important param elements to inside of object in order to make
 * things safe.
 */
class HTMLPurifier_Injector_SafeObject extends HTMLPurifier_Injector
{
    /**
     * @type string
     */
    public $name = 'SafeObject';

    /**
     * @type array
     */
    public $needed = array('object', 'param');

    /**
     * @type array
     */
    protected $objectStack = array();

    /**
     * @type array
     */
    protected $paramStack = array();

    /**
     * Keep this synchronized with AttrTransform/SafeParam.php.
     * @type array
     */
    protected $addParam = array(
        'allowScriptAccess' => 'never',
        'allowNetworking' => 'internal',
    );

    /**
     * These are all lower-case keys.
     * @type array
     */
    protected $allowedParam = array(
        'wmode' => true,
        'movie' => true,
        'flashvars' => true,
        'src' => true,
        'allowfullscreen' => true, // if omitted, assume to be 'false'
    );

    /**
     * @param HTMLPurifier_Config $config
     * @param HTMLPurifier_Context $context
     * @return void
     */
    public function prepare($config, $context)
    {
        parent::prepare($config, $context);
    }

    /**
     * @param HTMLPurifier_Token $token
     */
    public function handleElement(&$token)
    {
        if ($token->name == 'object') {
            $this->objectStack[] = $token;
            $this->paramStack[] = array();
            $new = array($token);
            foreach ($this->addParam as $name => $value) {
                $new[] = new HTMLPurifier_Token_Empty('param', array('name' => $name, 'value' => $value));
            }
            $token = $new;
        } elseif ($token->name == 'param') {
            $nest = count($this->currentNesting) - 1;
            if ($nest >= 0 && $this->currentNesting[$nest]->name === 'object') {
                $i = count($this->objectStack) - 1;
                if (!isset($token->attr['name'])) {
                    $token = false;
                    return;
                }
                $n = $token->attr['name'];
                // We need this fix because YouTube doesn't supply a data
                // attribute, which we need if a type is specified. This is
                // *very* Flash specific.
                if (!isset($this->objectStack[$i]->attr['data']) &&
                    ($token->attr['name'] == 'movie' || $token->attr['name'] == 'src')
                ) {
                    $this->objectStack[$i]->attr['data'] = $token->attr['value'];
                }
                // Check if the parameter is the correct value but has not
                // already been added
                if (!isset($this->paramStack[$i][$n]) &&
                    isset($this->addParam[$n]) &&
                    $token->attr['name'] === $this->addParam[$n]) {
                    // keep token, and add to param stack
                    $this->paramStack[$i][$n] = true;
                } elseif (isset($this->allowedParam[strtolower($n)])) {
                    // keep token, don't do anything to it
                    // (could possibly check for duplicates here)
                    // Note: In principle, parameters should be case sensitive.
                    // But it seems they are not really; so accept any case.
                } else {
                    $token = false;
                }
            } else {
                // not directly inside an object, DENY!
                $token = false;
            }
        }
    }

    public function handleEnd(&$token)
    {
        // This is the WRONG way of handling the object and param stacks;
        // we should be inserting them directly on the relevant object tokens
        // so that the global stack handling handles it.
        if ($token->name == 'object') {
            array_pop($this->objectStack);
            array_pop($this->paramStack);
        }
    }
}

// vim: et sw=4 sts=4

• [F] AutoParagraph.php
  Delete
• [F] DisplayLinkURI.php
  Delete
• [F] Linkify.php
  Delete
• [F] PurifierLinkify.php
  Delete
• [F] RemoveEmpty.php
  Delete
• [F] RemoveSpansWithoutAttributes.php
  Delete
• [F] SafeObject.php
  Delete

About Section

About NFC Pay: Our Story and Mission

NFC Pay was founded with a vision to transform the way people handle transactions. Our journey is defined by a commitment to innovation, security, and convenience. We strive to deliver seamless, user-friendly payment solutions that make everyday transactions effortless and secure. Our mission is to empower you to pay with ease and confidence, anytime, anywhere.

• Simplifying Payments, One Tap at a Time.
• Reinventing Your Wallet for Modern Convenience.
• Smart Payments for a Effortless Lifestyle.
• Experience the Ease of Tap and Pay.
• Innovative Solutions for Your Daily Transactions.

FAQ Section

Frequently Asked Questions About NFC Pay

Here are answers to some common questions about NFC Pay. We aim to provide clear and concise information to help you understand how our platform works and how it can benefit you. If you have any further inquiries, please don’t hesitate to contact our support team.

How do I register for NFC Pay?

Download the app and sign up using your email or phone number, then complete the verification process.

Is my payment information secure?

Yes, we use advanced encryption and security protocols to protect your payment details.

Can I add multiple cards to my NFC Pay wallet?

Absolutely, you can link multiple debit or credit cards to your wallet.

How do I transfer money to another user?

Go to the transfer section, select the recipient, enter the amount, and authorize the transfer.

What should I do if I forget my PIN?

Use the “Forgot PIN” feature in the app to reset it following the provided instructions.

How can I activate my merchant account?

Sign up for a merchant account through the app and follow the setup instructions to start accepting payments.

Can I track my payment status?

Yes, you can view and track your payment status in the account dashboard