xref: /plugin/passwd/syntax.php (revision eb872c2a652d2b4294f9c5ebca2ba18675c61627)

<?php
if (!defined('DOKU_INC')) die();

/**
 * PASSWD Plugin: Renders a password-protected section with captcha verification.
 *
 * @license GPL 2 http://www.gnu.org/licenses/gpl-2.0.html
 * @author tomLin1998567
 */
class syntax_plugin_passwd extends DokuWiki_Syntax_Plugin
{
    public function getType()
    {
        return 'protected';
    }

    public function getPType()
    {
        return 'block';
    }

    public function getSort()
    {
        return 150;
    }

    public function connectTo($mode)
    {
        $this->Lexer->addSpecialPattern(
            '<passwd\b[^>]*?>[\s\S]*?<\/passwd>',
            $mode,
            'plugin_passwd'
        );
    }

    public function handle($match, $state, $pos, Doku_Handler $handler)
    {
        if (!preg_match('/^<passwd\b([^>]*?)>([\s\S]*?)<\/passwd>$/s', $match, $m)) {
            return false;
        }

        $attrStr = $m[1];
        $content = $m[2];

        $attrs = array(
            'password' => '',
            'prompt'   => $this->getConf('prompt_text'),
            'btn'      => $this->getConf('btn_text'),
            'error'    => $this->getConf('error_text'),
        );

        if (preg_match('/password="([^"]+)"/i', $attrStr, $p)) $attrs['password'] = $p[1];
        if (preg_match('/prompt="([^"]+)"/i',   $attrStr, $p)) $attrs['prompt']   = $p[1];
        if (preg_match('/btn="([^"]+)"/i',      $attrStr, $p)) $attrs['btn']      = $p[1];
        if (preg_match('/error="([^"]+)"/i',    $attrStr, $p)) $attrs['error']    = $p[1];

        $attrs['content'] = $content;
        return $attrs;
    }

    public function render($mode, Doku_Renderer $renderer, $data)
    {
        if ($mode != 'xhtml' || !$data) return false;

        static $idx = 0;
        $myIdx = $idx++;

        $out  = '<div class="passwd_block" data-idx="' . $myIdx . '">';
        $out .= '<form class="passwd_form">';
        $out .= '<p class="passwd_prompt">' . hsc($data['prompt']) . '</p>';
        $out .= '<div class="passwd_input_wrapper">';
        $out .= '<input type="password" name="passwd" class="passwd_input" placeholder="Enter password">';
        $out .= '<button type="button" class="passwd_toggle" onclick="passwd_toggle(this)" title="Show password">��</button>';
        $out .= '</div>';
        // Error message between input and button
        $out .= '<span class="passwd_error" style="display:none">' . hsc($data['error']) . '</span>';
        // Captcha placeholder — empty by design. A fresh captcha is fetched
        // via AJAX on page load so cached HTML never contains stale tokens.
        $out .= '<div class="passwd_captcha"></div>';
        $out .= '<button type="submit" class="passwd_btn">' . hsc($data['btn']) . '</button>';
        $out .= '</form>';
        $out .= '<div class="passwd_content" style="display:none"></div>';
        $out .= '</div>';

        $renderer->doc .= $out;
        return true;
    }
}