xref: /plugin/passwd/script.js (revision eb872c2a652d2b4294f9c5ebca2ba18675c61627)

/**
 * PASSWD Plugin — unlock password-protected sections with captcha verification.
 *
 * On page load, each .passwd_block fetches a fresh captcha via AJAX.
 * The user enters a password and solves the captcha, then submits the form.
 * If both are correct the protected content is revealed inline;
 * otherwise a new captcha is returned automatically.
 */

/**
 * Toggle password visibility for a PASSWD input field.
 */
function passwd_toggle(btn) {
    var wrapper = btn.parentNode;
    var input = wrapper.querySelector('.passwd_input');
    if (input.type === 'password') {
        input.type = 'text';
        btn.textContent = '��';
        btn.title = 'Hide password';
    } else {
        input.type = 'password';
        btn.textContent = '��';
        btn.title = 'Show password';
    }
}

/**
 * Attempt to unlock a PASSWD block identified by its numeric index.
 *
 * @param {number} idx  The data-idx attribute of the target block.
 */
function passwd_unlock(idx) {
    var $block = jQuery('.passwd_block[data-idx="' + idx + '"]');
    var $form = $block.find('.passwd_form');
    var data = $form.serializeArray();
    data.push({name: 'call', value: 'passwd_check'});
    data.push({name: 'block', value: idx});
    if (typeof JSINFO !== 'undefined') {
        data.push({name: 'id', value: JSINFO.id});
    }

    jQuery.post(
        DOKU_BASE + 'lib/exe/ajax.php',
        data,
        function(resp) {
            if (resp.indexOf('CAPTCHA_FAILED|') === 0) {
                // Reset to the default error text (from config) and show
                $block.find('.passwd_error').show();
                $block.find('.passwd_captcha')
                      .html(resp.substring('CAPTCHA_FAILED|'.length));
            } else if (resp.indexOf('WRONG_PASSWORD|') === 0) {
                $block.find('.passwd_error').show();
                $block.find('.passwd_captcha')
                      .html(resp.substring('WRONG_PASSWORD|'.length));
            } else if (resp === 'BLOCK_NOT_FOUND' || resp === 'PASSWORD_NOT_FOUND') {
                $block.find('.passwd_error').text('System error, contact admin').show();
            } else {
                // Success — show decrypted content, hide the form
                $block.find('.passwd_form').hide();
                $block.find('.passwd_content').html(resp).show();
            }
        }
    );
}

// On DOM ready: fetch a captcha for every passwd block and bind form submission.
jQuery(function() {
    // Fetch a fresh captcha for each block, so cached pages never show stale tokens.
    jQuery('.passwd_block').each(function() {
        var $block = jQuery(this);
        jQuery.get(DOKU_BASE + 'lib/exe/ajax.php', {
            call: 'passwd_refresh_captcha'
        }, function(html) {
            $block.find('.passwd_captcha').html(html);
        });
    });

    // Intercept form submission to use AJAX instead of a full page reload.
    jQuery(document).on('submit', '.passwd_block .passwd_form', function(e) {
        e.preventDefault();
        var idx = jQuery(this).closest('.passwd_block').data('idx');
        passwd_unlock(idx);
    });
});