Petr's patch for MDL-7327 to modify require_capability login a bit
[moodle.git] / install.php
blob6bf5fe8b328d44345263c2e5c9c6a296608cf32c
1 <?php /// $Id$
2 /// install.php - helps admin user to create a config.php file
4 /// If config.php exists already then we are not needed.
6 if (file_exists('./config.php')) {
7 header('Location: index.php');
8 die;
9 } else {
10 $configfile = './config.php';
13 ///==========================================================================//
14 /// We are doing this in stages
15 define ('WELCOME', 0); /// 0. Welcome and language settings
16 define ('COMPATIBILITY', 1); /// 1. Compatibility
17 define ('DIRECTORY', 2); /// 2. Directory settings
18 define ('DATABASE', 3); /// 2. Database settings
19 define ('ADMIN', 4); /// 4. Administration directory name
20 define ('ENVIRONMENT', 5); /// 5. Administration directory name
21 define ('DOWNLOADLANG', 6); /// 6. Load complete lang from download.moodle.org
22 define ('SAVE', 7); /// 7. Save or display the settings
23 define ('REDIRECT', 8); /// 8. Redirect to index.php
24 ///==========================================================================//
28 /// Begin the session as we are holding all information in a session
29 /// variable until the end.
31 session_name('MoodleSession');
32 @session_start();
34 if (! isset($_SESSION['INSTALL'])) {
35 $_SESSION['INSTALL'] = array();
38 $INSTALL = &$_SESSION['INSTALL']; // Makes it easier to reference
41 /// If it's our first time through this script then we need to set some default values
43 if ( empty($INSTALL['language']) and empty($_POST['language']) ) {
45 /// set defaults
46 $INSTALL['language'] = 'en_utf8';
48 $INSTALL['dbhost'] = 'localhost';
49 $INSTALL['dbuser'] = '';
50 $INSTALL['dbpass'] = '';
51 $INSTALL['dbtype'] = 'mysql';
52 $INSTALL['dbname'] = 'moodle';
53 $INSTALL['prefix'] = 'mdl_';
55 $INSTALL['dbencodingtestresults'] = false;
56 $INSTALL['showskipdbencodingtest'] = false;
57 $INSTALL['skipdbencodingtest'] = false;
59 $INSTALL['downloadlangpack'] = false;
60 $INSTALL['showdownloadlangpack'] = true;
61 $INSTALL['downloadlangpackerror'] = '';
63 /// To be used by the Installer
64 $INSTALL['wwwroot'] = '';
65 $INSTALL['dirroot'] = dirname(__FILE__);
66 $INSTALL['dataroot'] = dirname(dirname(__FILE__)) . '/moodledata';
68 /// To be configured in the Installer
69 $INSTALL['wwwrootform'] = '';
70 $INSTALL['dirrootform'] = dirname(__FILE__);
72 $INSTALL['admindirname'] = 'admin';
74 $INSTALL['stage'] = WELCOME;
77 //==========================================================================//
79 /// Set the page to Unicode always
81 header('Content-Type: text/html; charset=UTF-8');
83 /// Was data submitted?
85 if (isset($_POST['stage'])) {
87 /// Get the stage for which the form was set and the next stage we are going to
90 if ( $goforward = (! empty( $_POST['next'] )) ) {
91 $nextstage = $_POST['stage'] + 1;
92 } else if (! empty( $_POST['prev'])) {
93 $nextstage = $_POST['stage'] - 1;
94 } else if (! empty( $_POST['same'] )) {
95 $nextstage = $_POST['stage'];
99 if ($nextstage < 0) $nextstage = WELCOME;
102 /// Store any posted data
103 foreach ($_POST as $setting=>$value) {
104 $INSTALL[$setting] = $value;
107 } else {
109 $goforward = true;
110 $nextstage = WELCOME;
114 //==========================================================================//
116 /// Fake some settings so that we can use selected functions from moodlelib.php and weblib.php
118 $SESSION->lang = (!empty($_POST['language'])) ? $_POST['language'] : $INSTALL['language'];
119 $CFG->dirroot = $INSTALL['dirroot'];
120 $CFG->libdir = $INSTALL['dirroot'].'/lib';
121 $CFG->dataroot = $INSTALL['dataroot'];
122 $CFG->admin = $INSTALL['admindirname'];
123 $CFG->directorypermissions = 00777;
124 $CFG->running_installer = true;
126 /// Include some moodle libraries
128 require_once('./lib/adminlib.php');
129 require_once('./lib/setuplib.php');
130 require_once('./lib/moodlelib.php');
131 require_once('./lib/weblib.php');
132 require_once('./lib/adodb/adodb.inc.php');
133 require_once('./lib/environmentlib.php');
134 require_once('./lib/xmlize.php');
135 require_once('./lib/componentlib.class.php');
136 require_once('./version.php');
138 /// Set version and release
139 $INSTALL['version'] = $version;
140 $INSTALL['release'] = $release;
142 /// Have the $db object ready because we are going to use it often
143 define ('ADODB_ASSOC_CASE', 0); //Use lowercase fieldnames for ADODB_FETCH_ASSOC
144 $db = &ADONewConnection($INSTALL['dbtype']);
145 $db->SetFetchMode(ADODB_FETCH_ASSOC);
147 /// guess the www root
148 if ($INSTALL['wwwroot'] == '') {
149 list($INSTALL['wwwroot'], $xtra) = explode('/install.php', qualified_me());
150 $INSTALL['wwwrootform'] = $INSTALL['wwwroot'];
152 // now try to guess the correct dataroot not accessible via web
153 $CFG->wwwroot = $INSTALL['wwwroot'];
154 $i = 0; //safety check - dirname might return some unexpected results
155 while(is_dataroot_insecure()) {
156 $parrent = dirname($CFG->dataroot);
157 $i++;
158 if ($parrent == '/' or $parrent == '.' or preg_match('/^[a-z]:\\\?$/i', $parrent) or ($i > 100)) {
159 $CFG->dataroot = ''; //can not find secure location for dataroot
160 break;
162 $CFG->dataroot = dirname($parrent).'/moodledata';
164 $INSTALL['dataroot'] = $CFG->dataroot;
167 $headstagetext = array(WELCOME => get_string('chooselanguagehead', 'install'),
168 COMPATIBILITY => get_string('compatibilitysettingshead', 'install'),
169 DIRECTORY => get_string('directorysettingshead', 'install'),
170 DATABASE => get_string('databasesettingshead', 'install'),
171 ADMIN => get_string('admindirsettinghead', 'install'),
172 ENVIRONMENT => get_string('environmenthead', 'install'),
173 DOWNLOADLANG => get_string('downloadlanguagehead', 'install'),
174 SAVE => get_string('configurationcompletehead', 'install')
177 $substagetext = array(WELCOME => get_string('chooselanguagesub', 'install'),
178 COMPATIBILITY => get_string('compatibilitysettingssub', 'install'),
179 DIRECTORY => get_string('directorysettingssub', 'install'),
180 DATABASE => get_string('databasesettingssub', 'install'),
181 ADMIN => get_string('admindirsettingsub', 'install'),
182 ENVIRONMENT => get_string('environmentsub', 'install'),
183 DOWNLOADLANG => get_string('downloadlanguagesub', 'install'),
184 SAVE => get_string('configurationcompletesub', 'install')
189 //==========================================================================//
191 /// Are we in help mode?
193 if (isset($_GET['help'])) {
194 $nextstage = -1;
199 //==========================================================================//
201 /// Are we in config download mode?
203 if (isset($_GET['download'])) {
204 header("Content-Type: application/download\n");
205 header("Content-Disposition: attachment; filename=\"config.php\"");
206 echo $INSTALL['config'];
207 exit;
214 //==========================================================================//
216 /// Check the directory settings
218 if ($INSTALL['stage'] == DIRECTORY) {
220 error_reporting(0);
222 /// check wwwroot
223 if (ini_get('allow_url_fopen')) {
224 if (($fh = @fopen($INSTALL['wwwrootform'].'/install.php', 'r')) === false) {
225 $errormsg .= get_string('wwwrooterror', 'install').'<br />';
226 $INSTALL['wwwrootform'] = $INSTALL['wwwroot'];
229 if ($fh) fclose($fh);
231 /// check dirroot
232 if (($fh = @fopen($INSTALL['dirrootform'].'/install.php', 'r')) === false ) {
233 $errormsg .= get_string('dirrooterror', 'install').'<br />';
234 $INSTALL['dirrootform'] = $INSTALL['dirroot'];
236 if ($fh) fclose($fh);
238 /// check dataroot
239 $CFG->dataroot = $INSTALL['dataroot'];
240 if (make_upload_directory('sessions', false) === false ) {
241 $errormsg .= get_string('datarooterror', 'install').'<br />';
243 if ($fh) fclose($fh);
245 if (!empty($errormsg)) $nextstage = DIRECTORY;
247 error_reporting(7);
252 //==========================================================================//
254 /// Check database settings if stage 3 data submitted
255 /// Try to connect to the database. If that fails then try to create the database
257 if ($INSTALL['stage'] == DATABASE) {
259 /// First of all, analyze skipdbencodingtest status
260 if (isset($_POST['skipdbencodingtest'])) {
261 $INSTALL['skipdbencodingtest'] = true;
262 } else {
263 $INSTALL['skipdbencodingtest'] = false;
266 /// different format for postgres7 by socket
267 if ($INSTALL['dbtype'] == 'postgres7' and ($INSTALL['dbhost'] == 'localhost' || $INSTALL['dbhost'] == '127.0.0.1')) {
268 $INSTALL['dbhost'] = "user='{$INSTALL['dbuser']}' password='{$INSTALL['dbpass']}' dbname='{$INSTALL['dbname']}'";
269 $INSTALL['dbuser'] = '';
270 $INSTALL['dbpass'] = '';
271 $INSTALL['dbname'] = '';
273 if ($INSTALL['prefix'] == '') { /// must have a prefix
274 $INSTALL['prefix'] = 'mdl_';
278 if ($INSTALL['dbtype'] == 'mysql') { /// Check MySQL extension is present
279 if (!extension_loaded('mysql')) {
280 $errormsg = get_string('mysqlextensionisnotpresentinphp', 'install');
281 $nextstage = DATABASE;
285 if ($INSTALL['dbtype'] == 'postgres7') { /// Check PostgreSQL extension is present
286 if (!extension_loaded('pgsql')) {
287 $errormsg = get_string('pgsqlextensionisnotpresentinphp', 'install');
288 $nextstage = DATABASE;
292 if ($INSTALL['dbtype'] == 'mssql') { /// Check MSSQL extension is present
293 if (!extension_loaded('mssql')) {
294 $errormsg = get_string('mssqlextensionisnotpresentinphp', 'install');
295 $nextstage = DATABASE;
299 if ($INSTALL['dbtype'] == 'mssql_n') { /// Check MSSQL extension is present
300 if (!extension_loaded('mssql')) {
301 $errormsg = get_string('mssqlextensionisnotpresentinphp', 'install');
302 $nextstage = DATABASE;
306 if ($INSTALL['dbtype'] == 'odbc_mssql') { /// Check ODBC extension is present
307 if (!extension_loaded('odbc')) {
308 $errormsg = get_string('odbcextensionisnotpresentinphp', 'install');
309 $nextstage = DATABASE;
313 if ($INSTALL['dbtype'] == 'oci8po') { /// Check OCI extension is present
314 if (!extension_loaded('oci8')) {
315 $errormsg = get_string('ociextensionisnotpresentinphp', 'install');
316 $nextstage = DATABASE;
320 if (empty($INSTALL['prefix']) && $INSTALL['dbtype'] != 'mysql') { // All DBs but MySQL require prefix (reserv. words)
321 $errormsg = get_string('dbwrongprefix', 'install');
322 $nextstage = DATABASE;
325 if ($INSTALL['dbtype'] == 'oci8po' && strlen($INSTALL['prefix']) > 2) { // Oracle max prefix = 2cc (30cc limit)
326 $errormsg = get_string('dbwrongprefix', 'install');
327 $nextstage = DATABASE;
330 if ($INSTALL['dbtype'] == 'oci8po' && !empty($INSTALL['dbhost'])) { // Oracle host must be blank (tnsnames.ora has it)
331 $errormsg = get_string('dbwronghostserver', 'install');
332 $nextstage = DATABASE;
336 if (empty($errormsg)) {
338 error_reporting(0); // Hide errors
340 if (! $dbconnected = $db->Connect($INSTALL['dbhost'],$INSTALL['dbuser'],$INSTALL['dbpass'],$INSTALL['dbname'])) {
341 /// The following doesn't seem to work but we're working on it
342 /// If you come up with a solution for creating a database in MySQL
343 /// feel free to put it in and let us know
344 if ($dbconnected = $db->Connect($INSTALL['dbhost'],$INSTALL['dbuser'],$INSTALL['dbpass'])) {
345 switch ($INSTALL['dbtype']) { /// Try to create a database
346 case 'mysql':
347 if ($db->Execute("CREATE DATABASE {$INSTALL['dbname']};")) {
348 $dbconnected = $db->Connect($INSTALL['dbhost'],$INSTALL['dbuser'],$INSTALL['dbpass'],$INSTALL['dbname']);
349 } else {
350 $errormsg = get_string('dbcreationerror', 'install');
351 $nextstage = DATABASE;
353 break;
356 } else {
357 /// We have been able to connect properly, just test the database encoding now. It should be Unicode for 1.6
358 /// installations (although not mandatory for now). Just show one message about it and allow to skip this test.
359 if (empty($INSTALL['skipdbencodingtest'])) {
360 /// We haven't checked the skip test checkbox, so perform the test
361 $encoding = '';
362 switch ($INSTALL['dbtype']) {
363 case 'mysql':
364 ///Get MySQL character_set_database value
365 $rs = $db->Execute("SHOW VARIABLES LIKE 'character_set_database'");
366 if ($rs && $rs->RecordCount() > 0) {
367 $records = $rs->GetAssoc(true);
368 $encoding = $records['character_set_database']['Value'];
369 if (strtoupper($encoding) == 'UTF8') {
370 $INSTALL['dbencodingtestresults'] = true;
371 } else {
372 // Try to set the encoding now!
373 if (! $db->Metatables()) { // We have no tables so go ahead
374 $db->Execute("ALTER DATABASE `".$INSTALL['dbname']."` DEFAULT CHARACTER SET utf8 COLLATE utf8_unicode_ci");
375 $rs = $db->Execute("SHOW VARIABLES LIKE 'character_set_database'"); // this works
377 $records = $rs->GetAssoc(true);
378 $encoding = $records['character_set_database']['Value'];
380 if (strtoupper($encoding) == 'UTF8') {
381 $INSTALL['dbencodingtestresults'] = true;
382 } else {
383 $errormsg = get_string('dbwrongencoding', 'install', $encoding);
384 $nextstage = DATABASE;
385 $INSTALL['showskipdbencodingtest'] = true;
386 $INSTALL['dbencodingtestresults'] = false;
388 } else {
389 $INSTALL['showskipdbencodingtest'] = true;
390 $INSTALL['dbencodingtestresults'] = false;
394 break;
395 case 'postgres7':
396 ///Get PostgreSQL server_encoding value
397 $rs = $db->Execute("SHOW server_encoding");
398 if ($rs && $rs->RecordCount() > 0) {
399 $encoding = $rs->fields['server_encoding'];
400 if (strtoupper($encoding) != 'UNICODE' && strtoupper($encoding) != 'UTF8') {
401 $errormsg = get_string('dbwrongencoding', 'install', $encoding);
402 $nextstage = DATABASE;
403 $INSTALL['showskipdbencodingtest'] = true;
404 $INSTALL['dbencodingtestresults'] = false;
405 } else {
406 $INSTALL['dbencodingtestresults'] = true;
409 break;
410 case 'oci8po':
411 ///Get Oracle NLS_CHARACTERSET value
412 $rs = $db->Execute("SELECT value FROM nls_database_parameters WHERE parameter = 'NLS_CHARACTERSET'");
413 if ($rs && $rs->RecordCount() > 0) {
414 $encoding = $rs->fields['value'];
415 if (strtoupper($encoding) != 'AL32UTF8') {
416 $errormsg = get_string('dbwrongencoding', 'install', $encoding);
417 $nextstage = DATABASE;
418 $INSTALL['dbencodingtestresults'] = false;
419 } else {
420 $INSTALL['dbencodingtestresults'] = true;
423 /// Get client NLS_LANG environment variable
424 if (strpos(getenv('NLS_LANG'), 'AL32UTF8') === false) { // Oracle client must be correct UTF8
425 $errormsg = get_string('dbwrongnlslang', 'install', $encoding);
426 $nextstage = DATABASE;
427 $INSTALL['dbencodingtestresults'] = false;
429 break;
435 error_reporting(7);
437 if (($dbconnected === false) and (empty($errormsg)) ) {
438 $errormsg = get_string('dbconnectionerror', 'install');
439 $nextstage = DATABASE;
445 //==========================================================================//
447 /// If the next stage is admin directory settings OR we have just come from there then
448 /// check the admin directory.
449 /// If we can open a file then we know that the admin name is correct.
451 if ($nextstage == ADMIN or $INSTALL['stage'] == ADMIN) {
452 if (!ini_get('allow_url_fopen')) {
453 $nextstage = ($goforward) ? ENVIRONMENT : DATABASE;
454 } else if (($fh = @fopen($INSTALL['wwwrootform'].'/'.$INSTALL['admindirname'].'/environment.xml', 'r')) !== false) {
455 $nextstage = ($goforward) ? ENVIRONMENT : DATABASE;
456 fclose($fh);
457 } else {
458 if ($nextstage != ADMIN) {
459 $errormsg = get_string('admindirerror', 'install');
460 $nextstage = ADMIN;
465 //==========================================================================//
467 // Check if we can navigate from the environemt page (because it's ok)
469 if ($INSTALL['stage'] == ENVIRONMENT) {
470 error_reporting(0); // Hide errors
471 $dbconnected = $db->Connect($INSTALL['dbhost'],$INSTALL['dbuser'],$INSTALL['dbpass'],$INSTALL['dbname']);
472 error_reporting(7); // Show errors
473 if ($dbconnected) {
474 /// Execute environment check, printing results
475 if (!check_moodle_environment($INSTALL['release'], $environment_results, false)) {
476 $nextstage = ENVIRONMENT;
478 } else {
479 /// We never should reach this because DB has been tested before arriving here
480 $errormsg = get_string('dbconnectionerror', 'install');
481 $nextstage = DATABASE;
487 //==========================================================================//
489 // Try to download the lang pack if it has been selected
491 if ($INSTALL['stage'] == DOWNLOADLANG && $INSTALL['downloadlangpack']) {
493 $downloadsuccess = false;
494 $downloaderror = '';
496 error_reporting(0); // Hide errors
498 /// Create necessary lang dir
499 if (!make_upload_directory('lang', false)) {
500 $downloaderror = get_string('cannotcreatelangdir', 'error');
503 /// Download and install component
504 if (($cd = new component_installer('http://download.moodle.org', 'lang16',
505 $INSTALL['language'].'.zip', 'languages.md5', 'lang')) && empty($errormsg)) {
506 $status = $cd->install(); //returns ERROR | UPTODATE | INSTALLED
507 switch ($status) {
508 case ERROR:
509 if ($cd->get_error() == 'remotedownloadnotallowed') {
510 $a = new stdClass();
511 $a->url = 'http://download.moodle.org/lang16/'.$pack.'zip';
512 $a->dest= $CFG->dataroot.'/lang';
513 $downloaderror = get_string($cd->get_error(), 'error', $a);
514 } else {
515 $downloaderror = get_string($cd->get_error(), 'error');
517 break;
518 case UPTODATE:
519 case INSTALLED:
520 $downloadsuccess = true;
521 break;
522 default:
523 //We shouldn't reach this point
525 } else {
526 //We shouldn't reach this point
529 error_reporting(7); // Show errors
531 if ($downloadsuccess) {
532 $INSTALL['downloadlangpack'] = false;
533 $INSTALL['showdownloadlangpack'] = false;
534 $INSTALL['downloadlangpackerror'] = $downloaderror;
535 } else {
536 $INSTALL['downloadlangpack'] = false;
537 $INSTALL['showdownloadlangpack'] = false;
538 $INSTALL['downloadlangpackerror'] = $downloaderror;
544 //==========================================================================//
546 /// Display or print the data
547 /// Put the data into a string
548 /// Try to open config file for writing.
550 if ($nextstage == SAVE) {
552 $str = '<?php /// Moodle Configuration File '."\r\n";
553 $str .= "\r\n";
555 $str .= 'unset($CFG);'."\r\n";
556 $str .= "\r\n";
558 $str .= '$CFG->dbtype = \''.$INSTALL['dbtype']."';\r\n";
559 $str .= '$CFG->dbhost = \''.addslashes($INSTALL['dbhost'])."';\r\n";
560 if (!empty($INSTALL['dbname'])) {
561 $str .= '$CFG->dbname = \''.$INSTALL['dbname']."';\r\n";
562 $str .= '$CFG->dbuser = \''.$INSTALL['dbuser']."';\r\n";
563 $str .= '$CFG->dbpass = \''.$INSTALL['dbpass']."';\r\n";
565 $str .= '$CFG->dbpersist = false;'."\r\n";
566 $str .= '$CFG->prefix = \''.$INSTALL['prefix']."';\r\n";
567 $str .= "\r\n";
569 $str .= '$CFG->wwwroot = \''.s($INSTALL['wwwrootform'],true)."';\r\n";
570 $str .= '$CFG->dirroot = \''.s($INSTALL['dirrootform'],true)."';\r\n";
571 $str .= '$CFG->dataroot = \''.s($INSTALL['dataroot'],true)."';\r\n";
572 $str .= '$CFG->admin = \''.s($INSTALL['admindirname'],true)."';\r\n";
573 $str .= "\r\n";
575 $str .= '$CFG->directorypermissions = 00777; // try 02777 on a server in Safe Mode'."\r\n";
576 $str .= "\r\n";
578 if (!$INSTALL['skipdbencodingtest'] && $INSTALL['dbencodingtestresults']) {
579 $str .= '$CFG->unicodedb = true; // Database is utf8'."\r\n";
580 $str .= "\r\n";
583 $str .= 'require_once("$CFG->dirroot/lib/setup.php");'."\r\n";
584 $str .= '// MAKE SURE WHEN YOU EDIT THIS FILE THAT THERE ARE NO SPACES, BLANK LINES,'."\r\n";
585 $str .= '// RETURNS, OR ANYTHING ELSE AFTER THE TWO CHARACTERS ON THE NEXT LINE.'."\r\n";
586 $str .= '?>';
588 umask(0137);
590 if (( $configsuccess = ($fh = @fopen($configfile, 'w')) ) !== false) {
591 fwrite($fh, $str);
592 fclose($fh);
596 $INSTALL['config'] = $str;
601 //==========================================================================//
604 <html dir="<?php echo (get_string('this_direction') == 'rtl') ? 'rtl' : 'ltr' ?>">
605 <head>
606 <link rel="shortcut icon" href="theme/standard/favicon.ico" />
607 <title>Moodle Install</title>
608 <meta http-equiv="content-type" content="text/html; charset=UTF-8" />
609 <?php css_styles() ?>
610 <?php database_js() ?>
612 </head>
614 <body>
617 <?php
618 if (isset($_GET['help'])) {
619 print_install_help($_GET['help']);
620 close_window_button();
621 } else {
625 <table class="main" align="center" cellpadding="3" cellspacing="0">
626 <tr>
627 <td class="td_mainlogo">
628 <p class="p_mainlogo"><img src="pix/moodlelogo-med.gif" width="240" height="60" alt="Moodle logo"></p>
629 </td>
630 <td class="td_mainlogo" valign="bottom">
631 <p class="p_mainheader"><?php print_string('installation', 'install') ?></p>
632 </td>
633 </tr>
635 <tr>
636 <td class="td_mainheading" colspan="2">
637 <p class="p_mainheading"><?php echo $headstagetext[$nextstage] ?></p>
638 <?php /// Exceptionaly, depending of the DB selected, we show some different text
639 /// from the standard one to show better instructions for each DB
640 if ($nextstage == DATABASE) {
641 echo '<script language="JavaScript" type="text/javascript" defer="defer">window.onload=toggledbinfo;</script>';
642 echo '<div id="mysql" name="mysql">' . get_string('databasesettingssub_mysql', 'install') . '</div>';
644 echo '<div id="postgres7" name="postgres7">' . get_string('databasesettingssub_postgres7', 'install') . '</div>';
646 echo '<div id="mssql" name="mssql">' . get_string('databasesettingssub_mssql', 'install');
647 /// Link to mssql installation page
648 echo '<p align="right"><a href="http://docs.moodle.org/en/Installing_MSSQL_for_PHP" target="_blank">';
649 echo '<img src="' . $INSTALL['wwwrootform'] . '/pix/docs.gif' . '" alt="Docs" />';
650 echo get_string('moodledocslink', 'install') . '</a></p>';
651 echo '</div>';
653 echo '<div id="mssql_n" name="mssql">' . get_string('databasesettingssub_mssql_n', 'install');
654 /// Link to mssql installation page
655 echo '<p align="right"><a href="http://docs.moodle.org/en/Installing_MSSQL_for_PHP" target="_blank">';
656 echo '<img src="' . $INSTALL['wwwrootform'] . '/pix/docs.gif' . '" alt="Docs" />';
657 echo get_string('moodledocslink', 'install') . '</a></p>';
658 echo '</div>';
660 echo '<div id="odbc_mssql" name="odbc_mssql">'. get_string('databasesettingssub_odbc_mssql', 'install');
661 /// Link to mssql installation page
662 echo '<p align="right"><a href="http://docs.moodle.org/en/Installing_MSSQL_for_PHP" target="_blank">';
663 echo '<img src="' . $INSTALL['wwwrootform'] . '/pix/docs.gif' . '" alt="Docs" />';
664 echo get_string('moodledocslink', 'install') . '</a></p>';
665 echo '</div>';
667 echo '<div id="oci8po" name="oci8po">' . get_string('databasesettingssub_oci8po', 'install');
668 /// Link to oracle installation page
669 echo '<p align="right"><a href="http://docs.moodle.org/en/Installing_Oracle_for_PHP" target="_blank">';
670 echo '<img src="' . $INSTALL['wwwrootform'] . '/pix/docs.gif' . '" alt="Docs" />';
671 echo get_string('moodledocslink', 'install') . '</a></p>';
672 echo '</div>';
673 } else {
674 if (!empty($substagetext[$nextstage])) {
675 echo '<p class="p_subheading">' . $substagetext[$nextstage] . '</p>';
679 </td>
680 </tr>
682 <tr>
683 <td class="td_main" colspan="2">
685 <?php
687 if (!empty($errormsg)) echo "<p class=\"errormsg\" align=\"center\">$errormsg</p>\n";
690 if ($nextstage == SAVE) {
691 $INSTALL['stage'] = WELCOME;
692 $options = array();
693 $options['lang'] = $INSTALL['language'];
694 if ($configsuccess) {
695 echo "<p>".get_string('configfilewritten', 'install')."</p>\n";
697 echo "<table cellspacing=\"0\" cellpadding=\"0\" border=\"0\" width=\"100%\">\n";
698 echo "<tr>\n";
699 echo "<td width=\"33.3%\">&nbsp;</td>\n";
700 echo "<td width=\"33.3%\">&nbsp;</td>\n";
701 echo "<td width=\"33.3%\" align=\"right\">\n";
702 print_single_button("index.php", $options, get_string('continue')." &raquo;");
703 echo "</td>\n";
704 echo "</tr>\n";
705 echo "</table>\n";
707 } else {
708 echo "<p class=\"errormsg\">".get_string('configfilenotwritten', 'install')."</p>";
710 echo "<table cellspacing=\"0\" cellpadding=\"0\" border=\"0\" width=\"100%\">\n";
711 echo "<tr>\n";
712 echo "<td width=\"33.3%\">&nbsp;</td>\n";
713 echo "<td width=\"33.3%\" align=\"center\">\n";
714 $installoptions = array();
715 $installoptions['download'] = 1;
716 print_single_button("install.php", $installoptions, get_string('download', 'install'));
717 echo "</td>\n";
718 echo "<td width=\"33.3%\" align=\"right\">\n";
719 print_single_button("index.php", $options, get_string('continue')." &raquo;");
720 echo "</td>\n";
721 echo "</tr>\n";
722 echo "</table>\n";
724 echo "<hr />\n";
725 echo "<div style=\"text-align: left\">\n";
726 print_object(s($str));
727 echo "</div>\n";
729 } else {
730 $formaction = (isset($_GET['configfile'])) ? "install.php?configfile=".$_GET['configfile'] : "install.php";
731 form_table($nextstage, $formaction);
736 </td>
737 </tr>
738 </table>
740 <?php
744 </body>
745 </html>
756 <?php
758 //==========================================================================//
761 function print_object($object) {
762 echo "<pre>\n";
763 print_r($object);
764 echo "</pre>\n";
769 //==========================================================================//
771 function form_table($nextstage = WELCOME, $formaction = "install.php") {
772 global $INSTALL, $db;
774 /// Print the standard form if we aren't in the DOWNLOADLANG page
775 /// because it has its own form.
776 if ($nextstage != DOWNLOADLANG) {
777 $needtoopenform = false;
779 <form name="installform" method="post" action="<?php echo $formaction ?>">
780 <input type="hidden" name="stage" value="<?php echo $nextstage ?>" />
782 <?php
783 } else {
784 $needtoopenform = true;
787 <table class="install_table" cellspacing="3" cellpadding="3" align="center">
789 <?php
790 /// what we do depends on the stage we're at
791 switch ($nextstage) {
792 case WELCOME: /// Welcome and language settings
794 <tr>
795 <td class="td_left"><p><?php print_string('language') ?></p></td>
796 <td class="td_right">
797 <?php choose_from_menu (get_installer_list_of_languages(), 'language', $INSTALL['language'], '') ?>
798 </td>
799 </tr>
801 <?php
802 break;
803 case COMPATIBILITY: /// Compatibilty check
804 $compatsuccess = true;
806 /// Check that PHP is of a sufficient version
807 print_compatibility_row(inst_check_php_version(), get_string('phpversion', 'install'), get_string('phpversionerror', 'install'), 'phpversionhelp');
808 /// Check session auto start
809 print_compatibility_row(!ini_get_bool('session.auto_start'), get_string('sessionautostart', 'install'), get_string('sessionautostarterror', 'install'), 'sessionautostarthelp');
810 /// Check magic quotes
811 print_compatibility_row(!ini_get_bool('magic_quotes_runtime'), get_string('magicquotesruntime', 'install'), get_string('magicquotesruntimeerror', 'install'), 'magicquotesruntimehelp');
812 /// Check unsupported PHP configuration
813 print_compatibility_row(ini_get_bool('magic_quotes_gpc') || (!ini_get_bool('register_globals')), get_string('globalsquotes', 'install'), get_string('globalsquoteserror', 'install'), 'globalsquoteshelp');
814 /// Check safe mode
815 print_compatibility_row(!ini_get_bool('safe_mode'), get_string('safemode', 'install'), get_string('safemodeerror', 'install'), 'safemodehelp', true);
816 /// Check file uploads
817 print_compatibility_row(ini_get_bool('file_uploads'), get_string('fileuploads', 'install'), get_string('fileuploadserror', 'install'), 'fileuploadshelp', true);
818 /// Check GD version
819 print_compatibility_row(check_gd_version(), get_string('gdversion', 'install'), get_string('gdversionerror', 'install'), 'gdversionhelp', true);
820 /// Check memory limit
821 print_compatibility_row(check_memory_limit(), get_string('memorylimit', 'install'), get_string('memorylimiterror', 'install'), 'memorylimithelp', true);
824 break;
825 case DIRECTORY: /// Directory settings
828 <tr>
829 <td class="td_left"><p><?php print_string('wwwroot', 'install') ?></p></td>
830 <td class="td_right">
831 <input type="text" size="40"name="wwwrootform" value="<?php p($INSTALL['wwwrootform'],true) ?>" />
832 </td>
833 </tr>
834 <tr>
835 <td class="td_left"><p><?php print_string('dirroot', 'install') ?></p></td>
836 <td class="td_right">
837 <input type="text" size="40" name="dirrootform" value="<?php p($INSTALL['dirrootform'],true) ?>" />
838 </td>
839 </tr>
840 <tr>
841 <td class="td_left"><p><?php print_string('dataroot', 'install') ?></p></td>
842 <td class="td_right">
843 <input type="text" size="40" name="dataroot" value="<?php p($INSTALL['dataroot'],true) ?>" />
844 </td>
845 </tr>
847 <?php
848 break;
849 case DATABASE: /// Database settings
852 <tr>
853 <td class="td_left"><p><?php print_string('dbtype', 'install') ?></p></td>
854 <td class="td_right">
855 <?php choose_from_menu (array('mysql' => get_string('mysql', 'install'),
856 'oci8po' => get_string('oci8po', 'install'),
857 'postgres7' => get_string('postgres7', 'install'),
858 'mssql' => get_string('mssql', 'install'),
859 'mssql_n' => get_string('mssql_n', 'install'),
860 'odbc_mssql' => get_string('odbc_mssql', 'install')),
861 'dbtype', $INSTALL['dbtype'], '', 'toggledbinfo();') ?>
862 </td>
863 </tr>
864 <tr>
865 <td class="td_left"><p><?php print_string('dbhost', 'install') ?></p></td>
866 <td class="td_right">
867 <input type="text" size="40" name="dbhost" value="<?php echo $INSTALL['dbhost'] ?>" />
868 </td>
869 </tr>
870 <tr>
871 <td class="td_left"><p><?php print_string('database', 'install') ?></p></td>
872 <td class="td_right">
873 <input type="text" size="40" name="dbname" value="<?php echo $INSTALL['dbname'] ?>" />
874 </td>
875 </tr>
876 <tr>
877 <td class="td_left"><p><?php print_string('user') ?></p></td>
878 <td class="td_right">
879 <input type="text" size="40" name="dbuser" value="<?php echo $INSTALL['dbuser'] ?>" />
880 </td>
881 </tr>
882 <tr>
883 <td class="td_left"><p><?php print_string('password') ?></p></td>
884 <td class="td_right">
885 <input type="password" size="40" name="dbpass" value="<?php echo $INSTALL['dbpass'] ?>" />
886 </td>
887 </tr>
888 <tr>
889 <td class="td_left"><p><?php print_string('dbprefix', 'install') ?></p></td>
890 <td class="td_right">
891 <input type="text" size="40" name="prefix" value="<?php echo $INSTALL['prefix'] ?>" />
892 </td>
893 </tr>
894 <?php if ($INSTALL['showskipdbencodingtest']) { ?>
895 <tr>
896 <td class="td_left" colspan="2">
897 <?php print_checkbox ('skipdbencodingtest', '1', $INSTALL['skipdbencodingtest'], get_string('skipdbencodingtest', 'install')) ?>
898 </td>
899 </tr>
900 <?php } ?>
902 <?php
903 break;
904 case ADMIN: /// Administration directory setting
907 <tr>
908 <td class="td_left"><p><?php print_string('admindirname', 'install') ?></p></td>
909 <td class="td_right">
910 <input type="text" size="40" name="admindirname" value="<?php echo $INSTALL['admindirname'] ?>" />
911 </td>
912 </tr>
915 <?php
916 break;
917 case ENVIRONMENT: /// Environment checks
920 <tr>
921 <td colspan="2">
922 <?php
923 error_reporting(0); // Hide errors
924 $dbconnected = $db->Connect($INSTALL['dbhost'],$INSTALL['dbuser'],$INSTALL['dbpass'],$INSTALL['dbname']);
925 error_reporting(7); // Show errors
926 if ($dbconnected) {
927 /// Execute environment check, printing results
928 check_moodle_environment($INSTALL['release'], $environment_results, true);
929 } else {
930 /// We never should reach this because DB has been tested before arriving here
931 $errormsg = get_string('dbconnectionerror', 'install');
932 $nextstage = DATABASE;
933 echo '<p class="errormsg" align="center">'.get_string('dbconnectionerror', 'install').'</p>';
936 </td>
937 </tr>
939 <?php
940 break;
941 case DOWNLOADLANG: /// Download language from download.moodle.org
944 <tr>
945 <td colspan="2">
946 <?php
947 /// Get array of languages, we are going to use it
948 $languages=get_installer_list_of_languages();
949 /// Print the download form (button) if necessary
950 if ($INSTALL['showdownloadlangpack'] == true && substr($INSTALL['language'],0,2) != 'en') {
951 $options = array();
952 $options['downloadlangpack'] = true;
953 $options['stage'] = DOWNLOADLANG;
954 $options['same'] = true;
955 print_simple_box_start('center');
956 print_single_button('install.php', $options, get_string('downloadlanguagebutton','install', $languages[$INSTALL['language']]), 'POST');
957 print_simple_box_end();
958 } else {
959 /// Show result info
960 /// English lang packs aren't downloaded
961 if (substr($INSTALL['language'],0,2) == 'en') {
962 print_simple_box(get_string('downloadlanguagenotneeded', 'install', $languages[$INSTALL['language']]), 'center', '80%');
963 } else {
964 if ($INSTALL['downloadlangpackerror']) {
965 echo "<p class=\"errormsg\" align=\"center\">".$INSTALL['downloadlangpackerror']."</p>\n";
966 print_simple_box(get_string('langdownloaderror', 'install', $languages[$INSTALL['language']]), 'center', '80%');
967 } else {
968 print_simple_box(get_string('langdownloadok', 'install', $languages[$INSTALL['language']]), 'center', '80%');
973 </td>
974 </tr>
976 <?php
977 break;
978 default:
982 <tr>
983 <td colspan="<?php echo ($nextstage == COMPATIBILITY) ? 3 : 2; ?>">
985 <?php
986 if ($needtoopenform) {
988 <form name="installform" method="post" action="<?php echo $formaction ?>">
989 <input type="hidden" name="stage" value="<?php echo $nextstage ?>" />
990 <?php
994 <?php echo ($nextstage < SAVE) ? "<input type=\"submit\" name=\"next\" value=\"".get_string('next')." &raquo;\" style=\"float: right\"/>\n" : "&nbsp;\n" ?>
995 <?php echo ($nextstage > WELCOME) ? "<input type=\"submit\" name=\"prev\" value=\"&laquo; ".get_string('previous')."\" style=\"float: left\"/>\n" : "&nbsp;\n" ?>
997 <?php
998 if ($needtoopenform) {
1000 </form>
1001 <?php
1006 </td>
1008 </tr>
1010 </table>
1011 <?php
1012 if (!$needtoopenform) {
1014 </form>
1015 <?php
1019 <?php
1024 //==========================================================================//
1026 function print_compatibility_row($success, $testtext, $errormessage, $helpfield='', $caution=false) {
1027 echo "<tr>\n";
1028 echo "<td class=\"td_left\" valign=\"top\" nowrap width=\"160\"><p>$testtext</p></td>\n";
1029 if ($success) {
1030 echo "<td valign=\"top\"><p class=\"p_pass\">".get_string('pass', 'install')."</p></td>\n";
1031 echo "<td valign=\"top\">&nbsp;</td>\n";
1032 } else {
1033 echo "<td valign=\"top\"";
1034 echo ($caution) ? "<p class=\"p_caution\">".get_string('caution', 'install') : "<p class=\"p_fail\">".get_string('fail', 'install');
1035 echo "</p></td>\n";
1036 echo "<td valign=\"top\">";
1037 echo "<p>$errormessage ";
1038 install_helpbutton("install.php?help=$helpfield");
1039 echo "</p></td>\n";
1041 echo "</tr>\n";
1042 return $success;
1046 //==========================================================================//
1048 function install_helpbutton($url, $title='') {
1049 if ($title == '') {
1050 $title = get_string('help');
1052 echo "<a href=\"javascript: void(0)\">";
1053 echo "<img src=\"./pix/help.gif\" height=\"17\" width=\"17\" alt=\"$title\"";
1054 echo "border=\"0\" align=\"middle\" title=\"$title\" ";
1055 echo "onClick=\"return window.open('$url', 'Help', 'menubar=0,location=0,scrollbars,resizable,width=500,height=400')\">";
1056 echo "</a>\n";
1061 //==========================================================================//
1063 function print_install_help($help) {
1064 switch ($help) {
1065 case 'phpversionhelp':
1066 print_string($help, 'install', phpversion());
1067 break;
1068 case 'memorylimithelp':
1069 print_string($help, 'install', get_memory_limit());
1070 break;
1071 default:
1072 print_string($help, 'install');
1077 //==========================================================================//
1079 function get_memory_limit() {
1080 if ($limit = ini_get('memory_limit')) {
1081 return $limit;
1082 } else {
1083 return get_cfg_var('memory_limit');
1087 //==========================================================================//
1089 function check_memory_limit() {
1091 /// if limit is already 16M or more then we don't care if we can change it or not
1092 if ((int)str_replace('M', '', get_memory_limit()) >= 16) {
1093 return true;
1096 /// Otherwise, see if we can change it ourselves
1097 @ini_set('memory_limit', '16M');
1098 return ((int)str_replace('M', '', get_memory_limit()) >= 16);
1101 //==========================================================================//
1103 function inst_check_php_version() {
1104 if (!check_php_version("4.3.0")) {
1105 return false;
1106 } else if (check_php_version("5.0.0")) {
1107 return check_php_version("5.1.0"); // 5.0.x is too buggy
1109 return true; // 4.3.x or 4.4.x is fine
1111 //==========================================================================//
1113 /* This function returns a list of languages and their full names. The
1114 * list of available languages is fetched from install/lang/xx/installer.php
1115 * and it's used exclusively by the installation process
1116 * @return array An associative array with contents in the form of LanguageCode => LanguageName
1118 function get_installer_list_of_languages() {
1120 global $CFG;
1122 $languages = array();
1124 /// Get raw list of lang directories
1125 $langdirs = get_list_of_plugins('install/lang');
1126 asort($langdirs);
1127 /// Get some info from each lang
1128 foreach ($langdirs as $lang) {
1129 if (file_exists($CFG->dirroot .'/install/lang/'. $lang .'/installer.php')) {
1130 include($CFG->dirroot .'/install/lang/'. $lang .'/installer.php');
1131 if (substr($lang, -5) == '_utf8') { //Remove the _utf8 suffix from the lang to show
1132 $shortlang = substr($lang, 0, -5);
1133 } else {
1134 $shortlang = $lang;
1136 if ($lang == 'en') { //Explain this is non-utf8 en
1137 $shortlang = 'non-utf8 en';
1139 if (!empty($string['thislanguage'])) {
1140 $languages[$lang] = $string['thislanguage'] .' ('. $shortlang .')';
1142 unset($string);
1145 /// Return array
1146 return $languages;
1149 //==========================================================================//
1151 function css_styles() {
1154 <style type="text/css">
1156 body { background-color: #ffeece; }
1157 p, li, td {
1158 font-family: helvetica, arial, sans-serif;
1159 font-size: 10pt;
1161 a { text-decoration: none; color: blue; }
1162 .errormsg {
1163 color: red;
1164 font-weight: bold;
1166 blockquote {
1167 font-family: courier, monospace;
1168 font-size: 10pt;
1170 .install_table {
1171 width: 500px;
1173 .td_left {
1174 text-align: right;
1175 font-weight: bold;
1177 .td_right {
1178 text-align: left;
1180 .main {
1181 width: 500px;
1182 border-width: 1px;
1183 border-style: solid;
1184 border-color: #ffc85f;
1185 -moz-border-radius-bottomleft: 15px;
1186 -moz-border-radius-bottomright: 15px;
1188 .td_mainheading {
1189 background-color: #fee6b9;
1190 padding: 10px;
1192 .td_main {
1193 text-align: center;
1195 .td_mainlogo {
1197 .p_mainlogo {
1199 .p_mainheading {
1200 font-size: 11pt;
1202 .p_subheading {
1203 font-size: 10pt;
1204 padding: 10px;
1206 .p_mainheader{
1207 text-align: right;
1208 font-size: 20pt;
1209 font-weight: bold;
1211 .p_pass {
1212 color: green;
1213 font-weight: bold;
1215 .p_fail {
1216 color: red;
1217 font-weight: bold;
1219 .p_caution {
1220 color: #ff6600;
1221 font-weight: bold;
1223 .p_help {
1224 text-align: center;
1225 font-family: helvetica, arial, sans-serif;
1226 font-size: 14pt;
1227 font-weight: bold;
1228 color: #333333;
1230 .environmenttable {
1231 font-size: 10pt;
1232 border-color: #ffc85f;
1234 .header {
1235 background-color: #fee6b9;
1236 font-size: 10pt;
1238 .cell {
1239 background-color: #ffeece;
1240 font-size: 10pt;
1242 .error {
1243 color: #ff0000;
1245 .errorboxcontent {
1246 text-align: center;
1247 font-weight: bold;
1248 padding: 20px;
1249 color: #ff0000;
1251 #mysql, #postgres7, #mssql, #mssql_n, #odbc_mssql, #oci8po {
1252 display: none;
1255 </style>
1257 <?php
1260 //==========================================================================//
1262 function database_js() {
1265 <script language="JavaScript" type="text/javascript" defer="defer">
1266 function toggledbinfo() {
1267 //Calculate selected value
1268 var showid = 'mysql';
1269 if (document.installform.dbtype.value) {
1270 showid = document.installform.dbtype.value;
1272 if (document.getElementById) {
1273 //Hide all the divs
1274 document.getElementById('mysql').style.display = '';
1275 document.getElementById('postgres7').style.display = '';
1276 document.getElementById('mssql').style.display = '';
1277 document.getElementById('mssql_n').style.display = '';
1278 document.getElementById('odbc_mssql').style.display = '';
1279 document.getElementById('oci8po').style.display = '';
1280 //Show the selected div
1281 document.getElementById(showid).style.display = 'block';
1282 } else if (document.all) {
1283 //This is the way old msie versions work
1284 //Hide all the divs
1285 document.all['mysql'].style.display = '';
1286 document.all['postgres7'].style.display = '';
1287 document.all['mssql'].style.display = '';
1288 document.all['mssql_n'].style.display = '';
1289 document.all['odbc_mssql'].style.display = '';
1290 document.all['oci8po'].style.display = '';
1291 //Show the selected div
1292 document.all[showid].style.display = 'block';
1293 } else if (document.layers) {
1294 //This is the way nn4 works
1295 //Hide all the divs
1296 document.layers['mysql'].style.display = '';
1297 document.layers['postgres7'].style.display = '';
1298 document.layers['mssql'].style.display = '';
1299 document.layers['mssql_n'].style.display = '';
1300 document.layers['odbc_mssql'].style.display = '';
1301 document.layers['oci8po'].style.display = '';
1302 //Show the selected div
1303 document.layers[showid].style.display = 'block';
1306 </script>
1308 <?php