<?php
namespace dokuwiki\Action;
use dokuwiki\Action\Exception\ActionAbort;
use dokuwiki\Extension\Event;
/**
* Class Export
*
* Handle exporting by calling the appropriate renderer
*
* @package dokuwiki\Action
*/
class Export extends AbstractAction
{
/** @inheritdoc */
public function minimumPermission()
{
return AUTH_READ;
}
/**
* Export a wiki page for various formats
*
* Triggers ACTION_EXPORT_POSTPROCESS
*
* Event data:
* data['id'] -- page id
* data['mode'] -- requested export mode
* data['headers'] -- export headers
* data['output'] -- export output
*
* @author Andreas Gohr <andi@splitbrain.org>
* @author Michael Klier <chi@chimeric.de>
* @inheritdoc
*/
public function preProcess()
{
global $ID;
global $REV;
global $conf;
global $lang;
$pre = '';
$post = '';
$headers = [];
// search engines: never cache exported docs! (Google only currently)
$headers['X-Robots-Tag'] = 'noindex';
$mode = substr($this->actionname, 7);
switch ($mode) {
case 'raw':
$headers['Content-Type'] = 'text/plain; charset=utf-8';
$headers['Content-Disposition'] = 'attachment; filename=' . noNS($ID) . '.txt';
$output = rawWiki($ID, $REV);
break;
case 'xhtml':
$pre .= '<!DOCTYPE html>' . DOKU_LF;
$pre .= '<html lang="' . $conf['lang'] . '" dir="' . $lang['direction'] . '">' . DOKU_LF;
$pre .= '<head>' . DOKU_LF;
$pre .= ' <meta charset="utf-8" />' . DOKU_LF; // FIXME improve wrapper
$pre .= ' <title>' . $ID . '</title>' . DOKU_LF;
// get metaheaders
ob_start();
tpl_metaheaders();
$pre .= ob_get_clean();
$pre .= '</head>' . DOKU_LF;
$pre .= '<body>' . DOKU_LF;
$pre .= '<div class="dokuwiki export">' . DOKU_LF;
// get toc
$pre .= tpl_toc(true);
$headers['Content-Type'] = 'text/html; charset=utf-8';
$output = p_wiki_xhtml($ID, $REV, false);
$post .= '</div>' . DOKU_LF;
$post .= '</body>' . DOKU_LF;
$post .= '</html>' . DOKU_LF;
break;
case 'xhtmlbody':
$headers['Content-Type'] = 'text/html; charset=utf-8';
$output = p_wiki_xhtml($ID, $REV, false);
break;
case 'metadata':
// metadata should not be exported
break;
default:
$output = p_cached_output(wikiFN($ID, $REV), $mode, $ID);
$headers = p_get_metadata($ID, "format $mode");
break;
}
// prepare event data
$data = [];
$data['id'] = $ID;
$data['mode'] = $mode;
$data['headers'] = $headers;
$data['output'] =& $output;
Event::createAndTrigger('ACTION_EXPORT_POSTPROCESS', $data);
if (!empty($data['output'])) {
if (is_array($data['headers'])) foreach ($data['headers'] as $key => $val) {
header("$key: $val");
}
echo $pre . $data['output'] . $post;
exit;
}
throw new ActionAbort();
}
}