3 // This file is part of Moodle - http://moodle.org/
5 // Moodle is free software: you can redistribute it and/or modify
6 // it under the terms of the GNU General Public License as published by
7 // the Free Software Foundation, either version 3 of the License, or
8 // (at your option) any later version.
10 // Moodle is distributed in the hope that it will be useful,
11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 // GNU General Public License for more details.
15 // You should have received a copy of the GNU General Public License
16 // along with Moodle. If not, see <http://www.gnu.org/licenses/>.
19 * Functions to support installation process
23 * @copyright 2009 Petr Skoda (http://skodak.org)
24 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
27 defined('MOODLE_INTERNAL') || die();
29 /** INSTALL_WELCOME = 0 */
30 define('INSTALL_WELCOME', 0);
31 /** INSTALL_ENVIRONMENT = 1 */
32 define('INSTALL_ENVIRONMENT', 1);
33 /** INSTALL_PATHS = 2 */
34 define('INSTALL_PATHS', 2);
35 /** INSTALL_DOWNLOADLANG = 3 */
36 define('INSTALL_DOWNLOADLANG', 3);
37 /** INSTALL_DATABASETYPE = 4 */
38 define('INSTALL_DATABASETYPE', 4);
39 /** INSTALL_DATABASE = 5 */
40 define('INSTALL_DATABASE', 5);
41 /** INSTALL_SAVE = 6 */
42 define('INSTALL_SAVE', 6);
45 * Tries to detect the right www root setting.
46 * @return string detected www root
48 function install_guess_wwwroot() {
50 if (empty($_SERVER['HTTPS']) or $_SERVER['HTTPS'] == 'off') {
51 $wwwroot .= 'http://';
53 $wwwroot .= 'https://';
55 $hostport = explode(':', $_SERVER['HTTP_HOST']);
56 $wwwroot .= reset($hostport);
57 if ($_SERVER['SERVER_PORT'] != 80 and $_SERVER['SERVER_PORT'] != '443') {
58 $wwwroot .= ':'.$_SERVER['SERVER_PORT'];
60 $wwwroot .= $_SERVER['SCRIPT_NAME'];
62 list($wwwroot, $xtra) = explode('/install.php', $wwwroot);
68 * Copy of @see{ini_get_bool()}
69 * @param string $ini_get_arg
72 function install_ini_get_bool($ini_get_arg) {
73 $temp = ini_get($ini_get_arg);
75 if ($temp == '1' or strtolower($temp) == 'on') {
82 * Creates dataroot if not exists yet,
83 * makes sure it is writable, add lang directory
84 * and add .htaccess just in case it works.
86 * @param string $dataroot full path to dataroot
87 * @param int $dirpermissions
88 * @return bool success
90 function install_init_dataroot($dataroot, $dirpermissions) {
91 if (file_exists($dataroot) and !is_dir($dataroot)) {
92 // file with the same name exists
97 if (!file_exists($dataroot)) {
98 if (!mkdir($dataroot, $dirpermissions, true)) {
99 // most probably this does not work, but anyway
103 @chmod($dataroot, $dirpermissions);
105 if (!is_writable($dataroot)) {
106 return false; // we can not continue
109 // now create the lang folder - we need it and it makes sure we can really write in dataroot
110 if (!is_dir("$dataroot/lang")) {
111 if (!mkdir("$dataroot/lang", $dirpermissions, true)) {
115 if (!is_writable("$dataroot/lang")) {
116 return false; // we can not continue
119 // finally just in case some broken .htaccess that prevents access just in case it is allowed
120 if (!file_exists("$dataroot/.htaccess")) {
121 if ($handle = fopen("$dataroot/.htaccess", 'w')) {
122 fwrite($handle, "deny from all\r\nAllowOverride None\r\nNote: this file is broken intentionally, we do not want anybody to undo it in subdirectory!\r\n");
135 * @param string $titel
138 function install_helpbutton($url, $title='') {
140 $title = get_string('help');
142 echo "<a href=\"javascript:void(0)\" ";
143 echo "onclick=\"return window.open('$url','Help','menubar=0,location=0,scrollbars,resizable,width=500,height=400')\"";
145 echo "<img src=\"pix/help.gif\" class=\"iconhelp\" alt=\"$title\" title=\"$title\"/>";
150 * This is in function because we want the /install.php to parse in PHP4
152 * @param object $database
153 * @param string $dbhsot
154 * @param string $dbuser
155 * @param string $dbpass
156 * @param string $dbname
157 * @param string $prefix
158 * @param mixed $dboptions
161 function install_db_validate($database, $dbhost, $dbuser, $dbpass, $dbname, $prefix, $dboptions) {
164 $database->connect($dbhost, $dbuser, $dbpass, $dbname, $prefix, $dboptions);
165 } catch (moodle_exception $e) {
166 // let's try to create new database
167 if ($database->create_database($dbhost, $dbuser, $dbpass, $dbname, $dboptions)) {
168 $database->connect($dbhost, $dbuser, $dbpass, $dbname, $prefix, $dboptions);
174 } catch (dml_exception $ex) {
175 return get_string($ex->errorcode, $ex->module, $ex->a).'<br />'.$ex->debuginfo;
180 * Returns content of config.php file.
182 * Uses PHP_EOL for generating proper end of lines for the given platform.
184 * @param moodle_database $database database instance
185 * @param object $cfg copy of $CFG
188 function install_generate_configphp($database, $cfg) {
189 $configphp = '<?php // Moodle configuration file' . PHP_EOL . PHP_EOL;
191 $configphp .= 'unset($CFG);' . PHP_EOL;
192 $configphp .= 'global $CFG;' . PHP_EOL;
193 $configphp .= '$CFG = new stdClass();' . PHP_EOL . PHP_EOL; // prevent PHP5 strict warnings
195 $dbconfig = $database->export_dbconfig();
197 foreach ($dbconfig as $key=>$value) {
198 $key = str_pad($key, 9);
199 $configphp .= '$CFG->'.$key.' = '.var_export($value, true) . ';' . PHP_EOL;
201 $configphp .= PHP_EOL;
203 $configphp .= '$CFG->wwwroot = '.var_export($cfg->wwwroot, true) . ';' . PHP_EOL ;
205 $configphp .= '$CFG->dataroot = '.var_export($cfg->dataroot, true) . ';' . PHP_EOL;
207 $configphp .= '$CFG->admin = '.var_export($cfg->admin, true) . ';' . PHP_EOL . PHP_EOL;
209 if (empty($cfg->directorypermissions)) {
212 $chmod = '0' . decoct($cfg->directorypermissions);
214 $configphp .= '$CFG->directorypermissions = ' . $chmod . ';' . PHP_EOL . PHP_EOL;
216 $configphp .= '$CFG->passwordsaltmain = '.var_export(complex_random_string(), true) . ';' . PHP_EOL . PHP_EOL;
218 $configphp .= 'require_once(dirname(__FILE__) . \'/lib/setup.php\');' . PHP_EOL . PHP_EOL;
219 $configphp .= '// There is no php closing tag in this file,' . PHP_EOL;
220 $configphp .= '// it is intentional because it prevents trailing whitespace problems!' . PHP_EOL;
226 * Prints complete help page used during installation.
230 * @param string $help
232 function install_print_help_page($help) {
233 global $CFG, $OUTPUT; //TODO: MUST NOT USE $OUTPUT HERE!!!
235 @header('Content-Type: text/html; charset=UTF-8');
236 @header('Cache-Control: no-store, no-cache, must-revalidate');
237 @header('Cache-Control: post-check=0, pre-check=0', false);
238 @header('Pragma: no-cache');
239 @header('Expires: Mon, 20 Aug 1969 09:23:00 GMT');
240 @header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');
242 echo '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">';
243 echo '<html dir="'.(right_to_left() ? 'rtl' : 'ltr').'">
245 <link rel="shortcut icon" href="theme/standard/pix/favicon.ico" />
246 <link rel="stylesheet" type="text/css" href="'.$CFG->wwwroot.'/install/css.php" />
247 <title>'.get_string('installation','install').'</title>
248 <meta http-equiv="content-type" content="text/html; charset=UTF-8" />
249 <meta http-equiv="pragma" content="no-cache" />
250 <meta http-equiv="expires" content="0" />';
252 echo '</head><body>';
254 case 'phpversionhelp':
255 print_string($help, 'install', phpversion());
257 case 'memorylimithelp':
258 print_string($help, 'install', @ini_get('memory_limit'));
261 print_string($help, 'install');
263 echo $OUTPUT->close_window_button(); //TODO: MUST NOT USE $OUTPUT HERE!!!
264 echo '</body></html>';
269 * Prints installation page header, we can no use weblib yet in installer.
272 * @param array $config
273 * @param string $stagename
274 * @param string $heading
275 * @param string $stagetext
278 function install_print_header($config, $stagename, $heading, $stagetext) {
281 @header('Content-Type: text/html; charset=UTF-8');
282 @header('Cache-Control: no-store, no-cache, must-revalidate');
283 @header('Cache-Control: post-check=0, pre-check=0', false);
284 @header('Pragma: no-cache');
285 @header('Expires: Mon, 20 Aug 1969 09:23:00 GMT');
286 @header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');
288 echo '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">';
289 echo '<html dir="'.(right_to_left() ? 'rtl' : 'ltr').'">
291 <link rel="shortcut icon" href="theme/standard/pix/favicon.ico" />';
293 echo '<link rel="stylesheet" type="text/css" href="'.$CFG->wwwroot.'/install/css.php" />
294 <title>'.get_string('installation','install').' - Moodle '.$CFG->target_release.'</title>
295 <meta http-equiv="content-type" content="text/html; charset=UTF-8" />
296 <meta http-equiv="pragma" content="no-cache" />
297 <meta http-equiv="expires" content="0" />';
299 echo '</head><body class="notloggedin">
300 <div id="page" class="stage'.$config->stage.'">
301 <div id="page-header">
302 <div id="header" class=" clearfix">
303 <h1 class="headermain">'.get_string('installation','install').'</h1>
304 <div class="headermenu"> </div>
306 <div class="navbar clearfix">
307 <div class="breadcrumb">
308 <ul><li class="first">'.$stagename.'</li></ul>
310 <div class="navbutton"> </div>
313 <!-- END OF HEADER -->
314 <div id="installdiv">';
316 echo '<h2>'.$heading.'</h2>';
318 if ($stagetext !== '') {
319 echo '<div class="stage generalbox box">';
324 echo '<form id="installform" method="post" action="install.php"><fieldset>';
325 foreach ($config as $name=>$value) {
326 echo '<input type="hidden" name="'.$name.'" value="'.s($value).'" />';
331 * Prints installation page header, we can no use weblib yet in isntaller.
334 * @param array $config
335 * @param bool $reload print reload button instead of next
338 function install_print_footer($config, $reload=false) {
341 if ($config->stage > INSTALL_WELCOME) {
342 $first = '<input type="submit" id="previousbutton" name="previous" value="« '.s(get_string('previous')).'" />';
344 $first = '<input type="submit" id="previousbutton" name="next" value="'.s(get_string('reload')).'" />';
345 $first .= '<script type="text/javascript">
347 var first = document.getElementById("previousbutton");
348 first.style.visibility = "hidden";
355 $next = '<input type="submit" id="nextbutton" name="next" value="'.s(get_string('reload')).'" />';
357 $next = '<input type="submit" id="nextbutton" name="next" value="'.s(get_string('next')).' »" />';
360 echo '</fieldset><fieldset id="nav_buttons">'.$first.$next.'</fieldset>';
362 $homelink = '<div class="sitelink">'.
363 '<a title="Moodle '. $CFG->target_release .'" href="http://docs.moodle.org/en/Administrator_documentation" onclick="this.target=\'_blank\'">'.
364 '<img style="width:100px;height:30px" src="pix/moodlelogo.gif" alt="moodlelogo" /></a></div>';
366 echo '</form></div>';
367 echo '<div id="footer"><hr />'.$homelink.'</div>';
368 echo '</div></body></html>';
373 * config.php must exist, there must not be any tables in db yet.
375 * @param array $options adminpass is mandatory
376 * @param bool $interactive
379 function install_cli_database(array $options, $interactive) {
381 require_once($CFG->libdir.'/environmentlib.php');
382 require_once($CFG->libdir.'/upgradelib.php');
384 // show as much debug as possible
385 @error_reporting(1023);
386 @ini_set('display_errors', '1');
388 $CFG->debugdisplay = true;
395 // read $version and $release
396 require($CFG->dirroot.'/version.php');
398 if ($DB->get_tables() ) {
399 cli_error(get_string('clitablesexist', 'install'));
402 if (empty($options['adminpass'])) {
403 cli_error('Missing required admin password');
406 // test environment first
407 list($envstatus, $environment_results) = check_moodle_environment(normalize_version($release), ENV_SELECT_RELEASE);
409 $errors = environment_get_errors($environment_results);
410 cli_heading(get_string('environment', 'admin'));
411 foreach ($errors as $error) {
412 list($info, $report) = $error;
413 echo "!! $info !!\n$report\n\n";
418 if (!$DB->setup_is_unicodedb()) {
419 if (!$DB->change_db_encoding()) {
420 // If could not convert successfully, throw error, and prevent installation
421 cli_error(get_string('unicoderequired', 'admin'));
427 cli_heading(get_string('databasesetup'));
431 install_core($version, true);
432 set_config('release', $release);
434 // install all plugins types, local, etc.
435 upgrade_noncore(true);
437 // set up admin user password
438 $DB->set_field('user', 'password', hash_internal_user_password($options['adminpass']), array('username' => 'admin'));
440 // rename admin username if needed
441 if (isset($options['adminuser']) and $options['adminuser'] !== 'admin' and $options['adminuser'] !== 'guest') {
442 $DB->set_field('user', 'username', $options['adminuser'], array('username' => 'admin'));
445 // indicate that this site is fully configured
446 set_config('rolesactive', 1);
449 // log in as admin - we need do anything when applying defaults
450 $admins = get_admins();
451 $admin = reset($admins);
452 session_set_user($admin);
454 // apply all default settings, do it twice to fill all defaults - some settings depend on other setting
455 admin_apply_default_settings(NULL, true);
456 admin_apply_default_settings(NULL, true);
457 set_config('registerauth', '');
460 if (isset($options['shortname']) and $options['shortname'] !== '') {
461 $DB->set_field('course', 'shortname', $options['shortname'], array('format' => 'site'));
463 if (isset($options['fullname']) and $options['fullname'] !== '') {
464 $DB->set_field('course', 'fullname', $options['fullname'], array('format' => 'site'));