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<?php
/**
* DokuWiki Plugin farmer (Admin Component)
*
* @license GPL 2 http://www.gnu.org/licenses/gpl-2.0.html
* @author Michael Große <grosse@cosmocode.de>
* @author Andreas Gohr <gohr@cosmocode.de>
*/
// must be run within Dokuwiki
if(!defined('DOKU_INC')) die();
/**
* Setup the farm by creating preload.php etc
*/
class admin_plugin_farmer_setup extends DokuWiki_Admin_Plugin {
/** @var helper_plugin_farmer $helper */
private $helper;
/**
* @return bool admin only!
*/
public function forAdminOnly() {
return true;
}
/**
* Should carry out any processing required by the plugin.
*/
public function handle() {
global $INPUT;
global $ID;
if(!$INPUT->bool('farmdir')) return;
if(!checkSecurityToken()) return;
$this->helper = plugin_load('helper', 'farmer');
$farmdir = trim($INPUT->str('farmdir', ''));
if($farmdir[0] !== '/') $farmdir = DOKU_INC . $farmdir;
$farmdir = fullpath($farmdir);
$errors = array();
if($farmdir === '') {
$errors[] = $this->getLang('farmdir_missing');
} elseif($this->helper->isInPath($farmdir, DOKU_INC) !== false) {
$errors[] = sprintf($this->getLang('farmdir_in_dokuwiki'), hsc($farmdir), hsc(DOKU_INC));
} elseif(!io_mkdir_p($farmdir)) {
$errors[] = sprintf($this->getLang('farmdir_uncreatable'), hsc($farmdir));
} elseif(!is_writeable($farmdir)) {
$errors[] = sprintf($this->getLang('farmdir_unwritable'), hsc($farmdir));
} elseif(count(scandir($farmdir)) > 2) {
$errors[] = sprintf($this->getLang('farmdir_notEmpty'), hsc($farmdir));
}
if($errors) {
foreach($errors as $error) {
msg($error, -1);
}
return;
}
// create the files
$ok = $this->createPreloadPHP();
if($ok && $INPUT->bool('htaccess')) $ok &= $this->createHtaccess();
if($ok) $ok &= $this->createFarmIni($farmdir);
if($ok) {
msg($this->getLang('preload creation success'), 1);
$link = wl($ID, array('do' => 'admin', 'page' => 'farmer', 'sub' => 'config'), true, '&');
send_redirect($link);
} else {
msg($this->getLang('preload creation error'), -1);
}
}
/**
* Render HTML output, e.g. helpful text and a form
*/
public function html() {
// Is preload.php already enabled?
if(file_exists(DOKU_INC . 'inc/preload.php')) {
msg($this->getLang('overwrite_preload'), -1);
}
$form = new \dokuwiki\Form\Form();
$form->addClass('plugin_farmer');
$form->addFieldsetOpen($this->getLang('preloadPHPForm'));
$form->addTextInput('farmdir', $this->getLang('farm dir'));
$form->addCheckbox('htaccess', $this->getLang('htaccess setup'))->attr('checked', 'checked');
$form->addButton('farmer__submit', $this->getLang('submit'))->attr('type', 'submit');
$form->addFieldsetClose();
echo $form->toHTML();
}
/**
* Creates the preload that loads our farm controller
* @return bool true if saving was successful
*/
protected function createPreloadPHP() {
$content = "<?php\n";
$content .= "# farm setup by farmer plugin\n";
$content .= "if(file_exists(__DIR__ . '/../lib/plugins/farmer/DokuWikiFarmCore.php')) {\n";
$content .= " include(__DIR__ . '/../lib/plugins/farmer/DokuWikiFarmCore.php');\n";
$content .= "}\n";
return io_saveFile(DOKU_INC . 'inc/preload.php', $content);
}
/**
* Prepends the needed config to the main .htaccess for htaccess type setups
*
* @return bool true if saving was successful
*/
protected function createHtaccess() {
// load existing or template
if(file_exists(DOKU_INC . '.htaccess')) {
$old = io_readFile(DOKU_INC . '.htaccess');
} elseif(file_exists(DOKU_INC . '.htaccess.dist')) {
$old = io_readFile(DOKU_INC . '.htaccess.dist');
} else {
$old = '';
}
$content = "# Options added for farm setup by farmer plugin:\n";
$content .= "RewriteEngine On\n";
$content .= 'RewriteRule ^!([^/]+)/(.*) $2?animal=$1 [QSA,DPI]' . "\n";
$content .= 'RewriteRule ^!([^/]+)$ ?animal=$1 [QSA,DPI]' . "\n";
$content .= 'Options +FollowSymLinks' . "\n";
$content .= '# end of farm configuration' . "\n\n";
$content .= $old;
return io_saveFile(DOKU_INC . '.htaccess', $content);
}
/**
* Creates the initial configuration
*
* @param $animalpath
* @return bool true if saving was successful
*/
protected function createFarmIni($animalpath) {
$content = "; farm config created by the farmer plugin\n\n";
$content .= "[base]\n";
$content .= "farmdir = $animalpath\n";
$content .= "farmhost = {$_SERVER['HTTP_HOST']}\n";
return io_saveFile(DOKU_INC . 'conf/farm.ini', $content);
}
}
// vim:ts=4:sw=4:et:
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