1<?php 2/** 3 * DokuWiki Plugin farmer (Admin Component) 4 * 5 * @license GPL 2 http://www.gnu.org/licenses/gpl-2.0.html 6 * @author Michael Große <grosse@cosmocode.de> 7 */ 8 9// must be run within Dokuwiki 10if(!defined('DOKU_INC')) die(); 11 12class admin_plugin_farmer_setup extends DokuWiki_Admin_Plugin { 13 14 /** @var helper_plugin_farmer $helper */ 15 private $helper; 16 17 /** 18 * @return bool admin only! 19 */ 20 public function forAdminOnly() { 21 return true; 22 } 23 24 /** 25 * Should carry out any processing required by the plugin. 26 */ 27 public function handle() { 28 global $INPUT; 29 global $ID; 30 31 if(!$INPUT->bool('farmdir')) return; 32 if(!checkSecurityToken()) return; 33 34 $this->helper = plugin_load('helper', 'farmer'); 35 36 $farmdir = trim($INPUT->str('farmdir', '')); 37 if($farmdir[0] !== '/') $farmdir = DOKU_INC . $farmdir; 38 $farmdir = fullpath($farmdir); 39 40 $errors = array(); 41 if($farmdir === '') { 42 $errors[] = $this->getLang('farmdir_missing'); 43 } elseif($this->helper->isInPath($farmdir, DOKU_INC) !== false) { 44 $errors[] = $this->getLang('farmdir_in_dokuwiki'); 45 } elseif(!io_mkdir_p($farmdir)) { 46 $errors[] = $this->getLang('farmdir_uncreatable'); 47 } elseif(!is_writeable($farmdir)) { 48 $errors[] = $this->getLang('farmdir_unwritable'); 49 } elseif(count(scandir($farmdir)) > 2) { 50 $errors[] = $this->getLang('farmdir_notEmpty'); 51 } 52 53 if($errors) { 54 foreach($errors as $error) { 55 msg($error, -1); 56 } 57 return; 58 } 59 60 // create the files 61 $ok = $this->createPreloadPHP(); 62 if($ok && $INPUT->bool('htaccess')) $ok &= $this->createHtaccess(); 63 $ok &= $this->createFarmIni($farmdir); 64 65 if($ok) { 66 msg($this->getLang('preload creation success'), 1); 67 $link = wl($ID, array('do' => 'admin', 'page' => 'farmer', 'sub' => 'config'), true, '&'); 68 send_redirect($link); 69 } else { 70 msg($this->getLang('preload creation error'), -1); 71 } 72 } 73 74 /** 75 * Render HTML output, e.g. helpful text and a form 76 */ 77 public function html() { 78 // Is preload.php already enabled? 79 if(file_exists(DOKU_INC . 'inc/preload.php')) { 80 msg($this->getLang('overwrite_preload'), -1); 81 } 82 83 $form = new \dokuwiki\Form\Form(); 84 $form->addClass('plugin_farmer'); 85 $form->addFieldsetOpen($this->getLang('preloadPHPForm')); 86 $form->addTextInput('farmdir', $this->getLang('farm dir')); 87 $form->addCheckbox('htaccess', $this->getLang('htaccess setup'))->attr('checked', 'checked'); 88 $form->addButton('farmer__submit', $this->getLang('submit'))->attr('type', 'submit'); 89 $form->addFieldsetClose(); 90 echo $form->toHTML(); 91 92 93 94 } 95 96 /** 97 * Creates the preload that loads our farm controller 98 * @return bool true if saving was successful 99 */ 100 protected function createPreloadPHP() { 101 $content = "<?php\n"; 102 $content .= "# farm setup by farmer plugin\n"; 103 $content .= "if(file_exists(__DIR__ . '/../lib/plugins/farmer/DokuWikiFarmCore.php')) {\n"; 104 $content .= " include(__DIR__ . '/../lib/plugins/farmer/DokuWikiFarmCore.php');\n"; 105 $content .= "}\n"; 106 return io_saveFile(DOKU_INC . 'inc/preload.php', $content); 107 } 108 109 /** 110 * Appends the needed config to the main .htaccess for htaccess type setups 111 * 112 * @return bool true if saving was successful 113 */ 114 protected function createHtaccess() { 115 $content = "\n\n# Options added for farm setup by farmer plugin:\n"; 116 $content .= "RewriteEngine On\n"; 117 $content .= 'RewriteRule ^/?!([^/]+)/(.*) ' . DOKU_REL . '$2?animal=$1 [QSA]' . "\n"; 118 $content .= 'RewriteRule ^/?!([^/]+)$ ' . DOKU_REL . '?animal=$1 [QSA]' . "\n"; 119 $content .= 'Options +FollowSymLinks'."\n"; 120 return io_saveFile(DOKU_INC . '.htaccess', $content, true); 121 } 122 123 /** 124 * Creates the initial configuration 125 * 126 * @param $animalpath 127 * @return bool true if saving was successful 128 */ 129 protected function createFarmIni($animalpath) { 130 $content = "; farm config created by the farmer plugin\n\n"; 131 $content .= "[base]\n"; 132 $content .= "farmdir = $animalpath\n"; 133 $content .= "farmhost = {$_SERVER['HTTP_HOST']}\n"; 134 return io_saveFile(DOKU_INC . 'conf/farm.ini', $content); 135 } 136} 137 138// vim:ts=4:sw=4:et: 139