Improved SVG cleanup code

Aleksander Machniak

2016-01-16 ed1d212ae2daea5e4bd043417610177093e99f19

 plugins/help/help.php

@@ -1,90 +1,164 @@
<?php

/**
 * Help Plugin
 * Roundcube Help Plugin
 *
 * @author Aleksander 'A.L.E.C' Machniak
 * @licence GNU GPL
 * @author Thomas Bruederli <thomas@roundcube.net>
 * @license GNU GPLv3+
 *
 * Enable the plugin in config/main.inc.php and set Help content iframe source
 *   $rcmail_config['help_source'] = 'http://trac.roundcube.net/wiki';
 * Configuration (see config.inc.php.dist)
 * 
 **/
 

class help extends rcube_plugin
{
    // all task excluding 'login' and 'logout'
    public $task = '?(?!login|logout).*';
    // we've got no ajax handlers
    public $noajax = true;
    // skip frames
    public $noframe = true;

    function init()
    {
      $this->add_texts('localization/', false);
      
      // register actions
      $this->register_action('plugin.help', array($this, 'action'));
      $this->register_action('plugin.helpabout', array($this, 'action'));
      $this->register_action('plugin.helplicense', array($this, 'action'));
        $this->load_config();
        $this->add_texts('localization/', false);

      // add taskbar button
      $this->add_button(array(
   'name'    => 'helptask',
   'class'   => 'button-help',
   'label'   => 'help.help',
   'href'   => './?_task=dummy&_action=plugin.help',
        // register task
        $this->register_task('help');

        // register actions
        $this->register_action('index', array($this, 'action'));
        $this->register_action('about', array($this, 'action'));
        $this->register_action('license', array($this, 'action'));

        $this->add_hook('startup', array($this, 'startup'));
        $this->add_hook('error_page', array($this, 'error_page'));
    }

    function startup($args)
    {
        $rcmail = rcmail::get_instance();

        // add taskbar button
        $this->add_button(array(
            'command'    => 'help',
            'class'      => 'button-help',
            'classsel'   => 'button-help button-selected',
            'innerclass' => 'button-inner',
            'label'      => 'help.help',
        ), 'taskbar');

      $skin = rcmail::get_instance()->config->get('skin');
      if (!file_exists($this->home."/skins/$skin/help.css"))
   $skin = 'default';
        $this->include_script('help.js');
        $rcmail->output->set_env('help_open_extwin', $rcmail->config->get('help_open_extwin', false), true);

      // add style for taskbar button (must be here) and Help UI    
      $this->include_stylesheet("skins/$skin/help.css");
        // add style for taskbar button (must be here) and Help UI
        $skin_path = $this->local_skin_path();
        if (is_file($this->home . "/$skin_path/help.css")) {
            $this->include_stylesheet("$skin_path/help.css");
        }
    }

    function action()
    {
      $rcmail = rcmail::get_instance();
        $rcmail = rcmail::get_instance();

      // register UI objects
      $rcmail->output->add_handlers(array(
       'helpcontent' => array($this, 'content'),
      ));
        // register UI objects
        $rcmail->output->add_handlers(array(
            'helpcontent' => array($this, 'content'),
            'tablink' => array($this, 'tablink'),
        ));

      if ($rcmail->action == 'plugin.helpabout')
   $rcmail->output->set_pagetitle($this->gettext('about'));
      else if ($rcmail->action == 'plugin.helplicense')
        $rcmail->output->set_pagetitle($this->gettext('license'));
      else
        $rcmail->output->set_pagetitle($this->gettext('help'));
        if ($rcmail->action == 'about')
            $rcmail->output->set_pagetitle($this->gettext('about'));
        else if ($rcmail->action == 'license')
            $rcmail->output->set_pagetitle($this->gettext('license'));
        else
            $rcmail->output->set_pagetitle($this->gettext('help'));

      $rcmail->output->send('help.help');
        $rcmail->output->send('help.help');
    }
    

    function tablink($attrib)
    {
        $rcmail = rcmail::get_instance();

        $attrib['name'] = 'helplink' . $attrib['action'];
        $attrib['href'] = $rcmail->url(array('_action' => $attrib['action'], '_extwin' => !empty($_REQUEST['_extwin']) ? 1 : null));

        // title might be already translated here, so revert to it's initial value
        // so button() will translate it correctly
        $attrib['title'] = $attrib['label'];

        return $rcmail->output->button($attrib);
    }

    function content($attrib)
    {
      $rcmail = rcmail::get_instance();
        $rcmail = rcmail::get_instance();

      if ($rcmail->action == 'plugin.helpabout') {
   return @file_get_contents($this->home.'/content/about.html');
      }
      else if ($rcmail->action == 'plugin.helplicense') {
   return @file_get_contents($this->home.'/content/license.html');
      }
        switch ($rcmail->action) {
            case 'about':
                if (is_readable($this->home . '/content/about.html')) {
                    return @file_get_contents($this->home . '/content/about.html');
                }
                $default = $rcmail->url(array('_task' => 'settings', '_action' => 'about', '_framed' => 1));
                $src     = $rcmail->config->get('help_about_url', $default);
                break;

      // default content: iframe
            case 'license':
                if (is_readable($this->home . '/content/license.html')) {
                    return @file_get_contents($this->home . '/content/license.html');
                }
                $src = $rcmail->config->get('help_license_url', 'http://www.gnu.org/licenses/gpl-3.0-standalone.html');
                break;

      if ($src = $rcmail->config->get('help_source'))
   $attrib['src'] = $src;
            default:
                $src = $rcmail->config->get('help_source');

      if (empty($attrib['id']))
        $attrib['id'] = 'rcmailhelpcontent';
    
      // allow the following attributes to be added to the <iframe> tag
      $attrib_str = create_attrib_string($attrib, array('id', 'class', 'style', 'src', 'width', 'height', 'frameborder'));
      $framename = $attrib['id'];
                // resolve task/action for depp linking
                $index_map = $rcmail->config->get('help_index_map', array());
                $rel = $_REQUEST['_rel'];
                list($task,$action) = explode('/', $rel);
                if ($add = $index_map[$rel])
                    $src .= $add;
                else if ($add = $index_map[$task])
                    $src .= $add;
                break;
        }

      $out = sprintf('<iframe name="%s"%s></iframe>'."\n", $framename, $attrib_str);
    
      return $out;
        // default content: iframe
        if (!empty($src)) {
            $attrib['src'] = $this->resolve_language($src);
        }

        if (empty($attrib['id']))
            $attrib['id'] = 'rcmailhelpcontent';

        $attrib['name'] = $attrib['id'];

        return $rcmail->output->frame($attrib);
    }
    
}

?>
    function error_page($args)
    {
        $rcmail = rcmail::get_instance();

        if ($args['code'] == 403 && $rcmail->request_status == rcube::REQUEST_ERROR_URL && ($url = $rcmail->config->get('help_csrf_info'))) {
            $args['text'] .= '<p>' . html::a(array('href' => $url, 'target' => '_blank'), $this->gettext('csrfinfo')) . '</p>';
        }

        return $args;
    }

    private function resolve_language($path)
    {
        // resolve language placeholder
        $rcmail  = rcmail::get_instance();
        $langmap = $rcmail->config->get('help_language_map', array('*' => 'en_US'));
        $lang    = $langmap[$_SESSION['language']] ?: $langmap['*'];

        return str_replace('%l', $lang, $path);
    }
}