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install.php
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install.php
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<?php /// $Id$
/// install.php - helps admin user to create a config.php file
/// If config.php exists already then we are not needed.
if (file_exists('./config.php')) {
header('Location: index.php');
die;
} else {
$configfile = './config.php';
}
///==========================================================================//
/// We are doing this in stages
define ('WELCOME', 0); /// 0. Welcome and language settings
define ('COMPATIBILITY', 1); /// 1. Compatibility
define ('DIRECTORY', 2); /// 2. Directory settings
define ('DATABASE', 3); /// 2. Database settings
define ('ADMIN', 4); /// 4. Administration directory name
define ('ENVIRONMENT', 5); /// 5. Administration directory name
define ('DOWNLOADLANG', 6); /// 6. Load complete lang from download.moodle.org
define ('SAVE', 7); /// 7. Save or display the settings
define ('REDIRECT', 8); /// 8. Redirect to index.php
///==========================================================================//
/// This has to be defined to avoid a notice in current_language()
define('SITEID', 0);
/// Begin the session as we are holding all information in a session
/// variable until the end.
session_name('MoodleSession');
@session_start();
if (! isset($_SESSION['INSTALL'])) {
$_SESSION['INSTALL'] = array();
}
$INSTALL = &$_SESSION['INSTALL']; // Makes it easier to reference
/// detect if install was attempted from diferent directory, if yes reset session to prevent errors,
/// dirroot location now fixed in installer
if (!empty($INSTALL['dirroot']) and $INSTALL['dirroot'] != dirname(__FILE__)) {
$_SESSION['INSTALL'] = array();
}
/// If it's our first time through this script then we need to set some default values
if ( empty($INSTALL['language']) and empty($_POST['language']) ) {
/// set defaults
$INSTALL['language'] = 'en_utf8';
$INSTALL['dbhost'] = 'localhost';
$INSTALL['dbuser'] = '';
$INSTALL['dbpass'] = '';
$INSTALL['dbtype'] = 'mysql';
$INSTALL['dbname'] = 'moodle';
$INSTALL['prefix'] = 'mdl_';
$INSTALL['downloadlangpack'] = false;
$INSTALL['showdownloadlangpack'] = true;
$INSTALL['downloadlangpackerror'] = '';
/// To be used by the Installer
$INSTALL['wwwroot'] = '';
$INSTALL['dirroot'] = dirname(__FILE__);
$INSTALL['dataroot'] = dirname(dirname(__FILE__)) . DIRECTORY_SEPARATOR . 'moodledata';
/// To be configured in the Installer
$INSTALL['wwwrootform'] = '';
$INSTALL['dirrootform'] = dirname(__FILE__);
$INSTALL['admindirname'] = 'admin';
$INSTALL['stage'] = WELCOME;
}
//==========================================================================//
/// Set the page to Unicode always
header('Content-Type: text/html; charset=UTF-8');
/// Was data submitted?
if (isset($_POST['stage'])) {
/// Get the stage for which the form was set and the next stage we are going to
/// Store any posted data
foreach ($_POST as $setting=>$value) {
$INSTALL[$setting] = $value;
}
if ( $goforward = (! empty( $_POST['next'] )) ) {
$nextstage = $_POST['stage'] + 1;
} else if (! empty( $_POST['prev'])) {
$nextstage = $_POST['stage'] - 1;
$INSTALL['stage'] = $_POST['stage'] - 1;
} else if (! empty( $_POST['same'] )) {
$nextstage = $_POST['stage'];
}
if ($nextstage < 0) {
$nextstage = WELCOME;
}
} else {
$goforward = true;
$nextstage = WELCOME;
}
//==========================================================================//
/// Fake some settings so that we can use selected functions from moodlelib.php and weblib.php
$SESSION->lang = (!empty($_POST['language'])) ? $_POST['language'] : $INSTALL['language'];
$CFG->dirroot = $INSTALL['dirroot'];
$CFG->libdir = $INSTALL['dirroot'].'/lib';
$CFG->dataroot = $INSTALL['dataroot'];
$CFG->admin = $INSTALL['admindirname'];
$CFG->directorypermissions = 00777;
$CFG->running_installer = true;
$COURSE->id = 0;
/// Include some moodle libraries
require_once($CFG->libdir.'/adminlib.php');
require_once($CFG->libdir.'/setuplib.php');
require_once($CFG->libdir.'/moodlelib.php');
require_once($CFG->libdir.'/weblib.php');
require_once($CFG->libdir.'/deprecatedlib.php');
require_once($CFG->libdir.'/adodb/adodb.inc.php');
require_once($CFG->libdir.'/environmentlib.php');
require_once($CFG->libdir.'/xmlize.php');
require_once($CFG->libdir.'/componentlib.class.php');
require_once($CFG->dirroot.'/version.php');
/// Set version and release
$INSTALL['version'] = $version;
$INSTALL['release'] = $release;
/// Have the $db object ready because we are going to use it often
define ('ADODB_ASSOC_CASE', 0); //Use lowercase fieldnames for ADODB_FETCH_ASSOC
$db = &ADONewConnection($INSTALL['dbtype']);
$db->SetFetchMode(ADODB_FETCH_ASSOC);
/// guess the www root
if ($INSTALL['wwwroot'] == '') {
list($INSTALL['wwwroot'], $xtra) = explode('/install.php', qualified_me());
$INSTALL['wwwrootform'] = $INSTALL['wwwroot'];
// now try to guess the correct dataroot not accessible via web
$CFG->wwwroot = $INSTALL['wwwroot'];
$i = 0; //safety check - dirname might return some unexpected results
while(is_dataroot_insecure()) {
$parrent = dirname($CFG->dataroot);
$i++;
if ($parrent == '/' or $parrent == '.' or preg_match('/^[a-z]:\\\?$/i', $parrent) or ($i > 100)) {
$CFG->dataroot = ''; //can not find secure location for dataroot
break;
}
$CFG->dataroot = dirname($parrent).'/moodledata';
}
$INSTALL['dataroot'] = $CFG->dataroot;
}
$headstagetext = array(WELCOME => get_string('chooselanguagehead', 'install'),
COMPATIBILITY => get_string('compatibilitysettingshead', 'install'),
DIRECTORY => get_string('directorysettingshead', 'install'),
DATABASE => get_string('databasesettingshead', 'install'),
ADMIN => get_string('admindirsettinghead', 'install'),
ENVIRONMENT => get_string('environmenthead', 'install'),
DOWNLOADLANG => get_string('downloadlanguagehead', 'install'),
SAVE => get_string('configurationcompletehead', 'install')
);
$substagetext = array(WELCOME => get_string('chooselanguagesub', 'install'),
COMPATIBILITY => get_string('compatibilitysettingssub', 'install'),
DIRECTORY => get_string('directorysettingssub', 'install'),
DATABASE => get_string('databasesettingssub', 'install'),
ADMIN => get_string('admindirsettingsub', 'install'),
ENVIRONMENT => get_string('environmentsub', 'install'),
DOWNLOADLANG => get_string('downloadlanguagesub', 'install'),
SAVE => get_string('configurationcompletesub', 'install')
);
//==========================================================================//
/// Are we in help mode?
if (isset($_GET['help'])) {
$nextstage = -1;
}
//==========================================================================//
/// Are we in config download mode?
if (isset($_GET['download'])) {
header("Content-Type: application/x-forcedownload\n");
header("Content-Disposition: attachment; filename=\"config.php\"");
echo $INSTALL['config'];
exit;
}
//==========================================================================//
/// Check the directory settings
if ($INSTALL['stage'] == DIRECTORY) {
error_reporting(0);
/// check wwwroot
if (ini_get('allow_url_fopen') && false) { /// This was not reliable
if (($fh = @fopen($INSTALL['wwwrootform'].'/install.php', 'r')) === false) {
$errormsg .= get_string('wwwrooterror', 'install').'<br />';
$INSTALL['wwwrootform'] = $INSTALL['wwwroot'];
}
}
if ($fh) fclose($fh);
/// check dirroot
if (($fh = @fopen($INSTALL['dirrootform'].'/install.php', 'r')) === false ) {
$errormsg .= get_string('dirrooterror', 'install').'<br />';
$INSTALL['dirrootform'] = $INSTALL['dirroot'];
}
if ($fh) fclose($fh);
/// check dataroot
$CFG->dataroot = $INSTALL['dataroot'];
if (make_upload_directory('sessions', false) === false ) {
$errormsg .= get_string('datarooterror', 'install').'<br />';
}
if ($fh) fclose($fh);
if (!empty($errormsg)) $nextstage = DIRECTORY;
error_reporting(7);
}
//==========================================================================//
/// Check database settings if stage 3 data submitted
/// Try to connect to the database. If that fails then try to create the database
if ($INSTALL['stage'] == DATABASE) {
/// different format for postgres7 by socket
if ($INSTALL['dbtype'] == 'postgres7' and ($INSTALL['dbhost'] == 'localhost' || $INSTALL['dbhost'] == '127.0.0.1')) {
$INSTALL['dbhost'] = "user='{$INSTALL['dbuser']}' password='{$INSTALL['dbpass']}' dbname='{$INSTALL['dbname']}'";
$INSTALL['dbuser'] = '';
$INSTALL['dbpass'] = '';
$INSTALL['dbname'] = '';
if ($INSTALL['prefix'] == '') { /// must have a prefix
$INSTALL['prefix'] = 'mdl_';
}
}
if ($INSTALL['dbtype'] == 'mysql') { /// Check MySQL extension is present
if (!extension_loaded('mysql')) {
$errormsg = get_string('mysqlextensionisnotpresentinphp', 'install');
$nextstage = DATABASE;
}
}
if ($INSTALL['dbtype'] == 'mysqli') { /// Check MySQLi extension is present
if (!extension_loaded('mysqli')) {
$errormsg = get_string('mysqliextensionisnotpresentinphp', 'install');
$nextstage = DATABASE;
}
}
if ($INSTALL['dbtype'] == 'postgres7') { /// Check PostgreSQL extension is present
if (!extension_loaded('pgsql')) {
$errormsg = get_string('pgsqlextensionisnotpresentinphp', 'install');
$nextstage = DATABASE;
}
}
if ($INSTALL['dbtype'] == 'mssql') { /// Check MSSQL extension is present
if (!function_exists('mssql_connect')) {
$errormsg = get_string('mssqlextensionisnotpresentinphp', 'install');
$nextstage = DATABASE;
}
}
if ($INSTALL['dbtype'] == 'mssql_n') { /// Check MSSQL extension is present
if (!function_exists('mssql_connect')) {
$errormsg = get_string('mssqlextensionisnotpresentinphp', 'install');
$nextstage = DATABASE;
}
}
if ($INSTALL['dbtype'] == 'odbc_mssql') { /// Check ODBC extension is present
if (!extension_loaded('odbc')) {
$errormsg = get_string('odbcextensionisnotpresentinphp', 'install');
$nextstage = DATABASE;
}
}
if ($INSTALL['dbtype'] == 'oci8po') { /// Check OCI extension is present
if (!extension_loaded('oci8')) {
$errormsg = get_string('ociextensionisnotpresentinphp', 'install');
$nextstage = DATABASE;
}
}
if (empty($INSTALL['prefix']) && $INSTALL['dbtype'] != 'mysql' && $INSTALL['dbtype'] != 'mysqli') { // All DBs but MySQL require prefix (reserv. words)
$errormsg = get_string('dbwrongprefix', 'install');
$nextstage = DATABASE;
}
if ($INSTALL['dbtype'] == 'oci8po' && strlen($INSTALL['prefix']) > 2) { // Oracle max prefix = 2cc (30cc limit)
$errormsg = get_string('dbwrongprefix', 'install');
$nextstage = DATABASE;
}
if ($INSTALL['dbtype'] == 'oci8po' && !empty($INSTALL['dbhost'])) { // Oracle host must be blank (tnsnames.ora has it)
$errormsg = get_string('dbwronghostserver', 'install');
$nextstage = DATABASE;
}
if (empty($errormsg)) {
error_reporting(0); // Hide errors
if (! $dbconnected = $db->Connect($INSTALL['dbhost'],$INSTALL['dbuser'],$INSTALL['dbpass'],$INSTALL['dbname'])) {
/// The following doesn't seem to work but we're working on it
/// If you come up with a solution for creating a database in MySQL
/// feel free to put it in and let us know
if ($dbconnected = $db->Connect($INSTALL['dbhost'],$INSTALL['dbuser'],$INSTALL['dbpass'])) {
switch ($INSTALL['dbtype']) { /// Try to create a database
case 'mysql':
case 'mysqli':
if ($db->Execute("CREATE DATABASE {$INSTALL['dbname']};")) {
$dbconnected = $db->Connect($INSTALL['dbhost'],$INSTALL['dbuser'],$INSTALL['dbpass'],$INSTALL['dbname']);
} else {
$errormsg = get_string('dbcreationerror', 'install');
$nextstage = DATABASE;
}
break;
}
}
} else {
/// We have been able to connect properly, just test the database encoding now.
/// It must be Unicode for 1.8 installations.
$encoding = '';
switch ($INSTALL['dbtype']) {
case 'mysql':
case 'mysqli':
/// Get MySQL character_set_database value
$rs = $db->Execute("SHOW VARIABLES LIKE 'character_set_database'");
if ($rs && $rs->RecordCount() > 0) {
$records = $rs->GetAssoc(true);
$encoding = $records['character_set_database']['Value'];
if (strtoupper($encoding) != 'UTF8') {
/// Try to set the encoding now!
if (! $db->Metatables()) { // We have no tables so go ahead
$db->Execute("ALTER DATABASE `".$INSTALL['dbname']."` DEFAULT CHARACTER SET utf8 COLLATE utf8_unicode_ci");
$rs = $db->Execute("SHOW VARIABLES LIKE 'character_set_database'"); // this works
}
}
/// If conversion fails, skip, let environment testing do the job
}
break;
case 'postgres7':
/// Skip, let environment testing do the job
break;
case 'oci8po':
/// Skip, let environment testing do the job
break;
}
}
}
error_reporting(7);
if (($dbconnected === false) and (empty($errormsg)) ) {
$errormsg = get_string('dbconnectionerror', 'install');
$nextstage = DATABASE;
}
}
//==========================================================================//
/// If the next stage is admin directory settings OR we have just come from there then
/// check the admin directory.
/// If we can open a file then we know that the admin name is correct.
if ($nextstage == ADMIN or $INSTALL['stage'] == ADMIN) {
if (!ini_get('allow_url_fopen')) {
$nextstage = ($goforward) ? ENVIRONMENT : DATABASE;
} else if (($fh = @fopen($INSTALL['wwwrootform'].'/'.$INSTALL['admindirname'].'/environment.xml', 'r')) !== false) {
$nextstage = ($goforward) ? ENVIRONMENT : DATABASE;
fclose($fh);
} else {
$nextstage = ($goforward) ? ENVIRONMENT : DATABASE;
//if ($nextstage != ADMIN) {
// $errormsg = get_string('admindirerror', 'install');
// $nextstage = ADMIN;
// }
}
}
//==========================================================================//
// Check if we can navigate from the environemt page (because it's ok)
if ($INSTALL['stage'] == ENVIRONMENT) {
error_reporting(0); // Hide errors
$dbconnected = $db->Connect($INSTALL['dbhost'],$INSTALL['dbuser'],$INSTALL['dbpass'],$INSTALL['dbname']);
error_reporting(7); // Show errors
if ($dbconnected) {
/// Execute environment check, printing results
if (!check_moodle_environment($INSTALL['release'], $environment_results, false)) {
$nextstage = ENVIRONMENT;
}
} else {
/// We never should reach this because DB has been tested before arriving here
$errormsg = get_string('dbconnectionerror', 'install');
$nextstage = DATABASE;
}
}
//==========================================================================//
// Try to download the lang pack if it has been selected
if ($INSTALL['stage'] == DOWNLOADLANG && $INSTALL['downloadlangpack']) {
$downloadsuccess = false;
$downloaderror = '';
error_reporting(0); // Hide errors
/// Create necessary lang dir
if (!make_upload_directory('lang', false)) {
$downloaderror = get_string('cannotcreatelangdir', 'error');
}
/// Download and install component
if (($cd = new component_installer('http://download.moodle.org', 'lang16',
$INSTALL['language'].'.zip', 'languages.md5', 'lang')) && empty($errormsg)) {
$status = $cd->install(); //returns ERROR | UPTODATE | INSTALLED
switch ($status) {
case ERROR:
if ($cd->get_error() == 'remotedownloadnotallowed') {
$a = new stdClass();
$a->url = 'http://download.moodle.org/lang16/'.$pack.'.zip';
$a->dest= $CFG->dataroot.'/lang';
$downloaderror = get_string($cd->get_error(), 'error', $a);
} else {
$downloaderror = get_string($cd->get_error(), 'error');
}
break;
case UPTODATE:
case INSTALLED:
$downloadsuccess = true;
break;
default:
//We shouldn't reach this point
}
} else {
//We shouldn't reach this point
}
error_reporting(7); // Show errors
if ($downloadsuccess) {
$INSTALL['downloadlangpack'] = false;
$INSTALL['showdownloadlangpack'] = false;
$INSTALL['downloadlangpackerror'] = $downloaderror;
} else {
$INSTALL['downloadlangpack'] = false;
$INSTALL['showdownloadlangpack'] = false;
$INSTALL['downloadlangpackerror'] = $downloaderror;
}
}
//==========================================================================//
/// Display or print the data
/// Put the data into a string
/// Try to open config file for writing.
if ($nextstage == SAVE) {
$str = '<?php /// Moodle Configuration File '."\r\n";
$str .= "\r\n";
$str .= 'unset($CFG);'."\r\n";
$str .= "\r\n";
$str .= '$CFG->dbtype = \''.$INSTALL['dbtype']."';\r\n";
$str .= '$CFG->dbhost = \''.addslashes($INSTALL['dbhost'])."';\r\n";
if (!empty($INSTALL['dbname'])) {
$str .= '$CFG->dbname = \''.$INSTALL['dbname']."';\r\n";
$str .= '$CFG->dbuser = \''.$INSTALL['dbuser']."';\r\n";
$str .= '$CFG->dbpass = \''.$INSTALL['dbpass']."';\r\n";
}
$str .= '$CFG->dbpersist = false;'."\r\n";
$str .= '$CFG->prefix = \''.$INSTALL['prefix']."';\r\n";
$str .= "\r\n";
$str .= '$CFG->wwwroot = \''.s($INSTALL['wwwrootform'],true)."';\r\n";
$str .= '$CFG->dirroot = \''.s($INSTALL['dirrootform'],true)."';\r\n";
$str .= '$CFG->dataroot = \''.s($INSTALL['dataroot'],true)."';\r\n";
$str .= '$CFG->admin = \''.s($INSTALL['admindirname'],true)."';\r\n";
$str .= "\r\n";
$str .= '$CFG->directorypermissions = 00777; // try 02777 on a server in Safe Mode'."\r\n";
$str .= "\r\n";
$str .= 'require_once("$CFG->dirroot/lib/setup.php");'."\r\n";
$str .= '// MAKE SURE WHEN YOU EDIT THIS FILE THAT THERE ARE NO SPACES, BLANK LINES,'."\r\n";
$str .= '// RETURNS, OR ANYTHING ELSE AFTER THE TWO CHARACTERS ON THE NEXT LINE.'."\r\n";
$str .= '?>';
umask(0137);
if (( $configsuccess = ($fh = @fopen($configfile, 'w')) ) !== false) {
fwrite($fh, $str);
fclose($fh);
}
$INSTALL['config'] = $str;
}
//==========================================================================//
?>
<html dir="<?php echo (right_to_left() ? 'rtl' : 'ltr'); ?>">
<head>
<link rel="shortcut icon" href="theme/standard/favicon.ico" />
<title>Moodle Install</title>
<meta http-equiv="content-type" content="text/html; charset=UTF-8" />
<?php css_styles() ?>
<?php database_js() ?>
</head>
<body>
<?php
if (isset($_GET['help'])) {
print_install_help($_GET['help']);
close_window_button();
} else {
?>
<table class="main" align="center" cellpadding="3" cellspacing="0">
<tr>
<td class="td_mainlogo">
<p class="p_mainlogo"><img src="pix/moodlelogo-med.gif" width="240" height="60" alt="Moodle logo"></p>
</td>
<td class="td_mainlogo" valign="bottom">
<p class="p_mainheader"><?php print_string('installation', 'install') ?></p>
</td>
</tr>
<tr>
<td class="td_mainheading" colspan="2">
<p class="p_mainheading"><?php echo $headstagetext[$nextstage] ?></p>
<?php /// Exceptionaly, depending of the DB selected, we show some different text
/// from the standard one to show better instructions for each DB
if ($nextstage == DATABASE) {
echo '<script type="text/javascript" defer="defer">window.onload=toggledbinfo;</script>';
echo '<div id="mysql" name="mysql">' . get_string('databasesettingssub_mysql', 'install') . '</div>';
echo '<div id="mysqli" name="mysqli">' . get_string('databasesettingssub_mysqli', 'install') . '</div>';
echo '<div id="postgres7" name="postgres7">' . get_string('databasesettingssub_postgres7', 'install') . '</div>';
echo '<div id="mssql" name="mssql">' . get_string('databasesettingssub_mssql', 'install');
/// Link to mssql installation page
echo '<p align="right"><a href="http://docs.moodle.org/en/Installing_MSSQL_for_PHP" target="_blank">';
echo '<img src="pix/docs.gif' . '" alt="Docs" class="iconhelp" />';
echo get_string('moodledocslink', 'install') . '</a></p>';
echo '</div>';
echo '<div id="mssql_n" name="mssql">' . get_string('databasesettingssub_mssql_n', 'install');
/// Link to mssql installation page
echo '<p align="right"><a href="http://docs.moodle.org/en/Installing_MSSQL_for_PHP" target="_blank">';
echo '<img src="pix/docs.gif' . '" alt="Docs" />';
echo get_string('moodledocslink', 'install') . '</a></p>';
echo '</div>';
echo '<div id="odbc_mssql" name="odbc_mssql">'. get_string('databasesettingssub_odbc_mssql', 'install');
/// Link to mssql installation page
echo '<p align="right"><a href="http://docs.moodle.org/en/Installing_MSSQL_for_PHP" target="_blank">';
echo '<img src="pix/docs.gif' . '" alt="Docs" class="iconhelp" />';
echo get_string('moodledocslink', 'install') . '</a></p>';
echo '</div>';
echo '<div id="oci8po" name="oci8po">' . get_string('databasesettingssub_oci8po', 'install');
/// Link to oracle installation page
echo '<p align="right"><a href="http://docs.moodle.org/en/Installing_Oracle_for_PHP" target="_blank">';
echo '<img src="pix/docs.gif' . '" alt="Docs" class="iconhelp" />';
echo get_string('moodledocslink', 'install') . '</a></p>';
echo '</div>';
} else {
if (!empty($substagetext[$nextstage])) {
echo '<p class="p_subheading">' . $substagetext[$nextstage] . '</p>';
}
}
?>
</td>
</tr>
<tr>
<td class="td_main" colspan="2">
<?php
if (!empty($errormsg)) echo "<p class=\"errormsg\" align=\"center\">$errormsg</p>\n";
if ($nextstage == SAVE) {
$INSTALL['stage'] = WELCOME;
$options = array();
$options['lang'] = $INSTALL['language'];
if ($configsuccess) {
echo "<p>".get_string('configfilewritten', 'install')."</p>\n";
echo "<table cellspacing=\"0\" cellpadding=\"0\" border=\"0\" width=\"100%\">\n";
echo "<tr>\n";
echo "<td width=\"33.3%\"> </td>\n";
echo "<td width=\"33.3%\"> </td>\n";
echo "<td width=\"33.3%\" align=\"right\">\n";
print_single_button("index.php", $options, get_string('continue'));
echo "</td>\n";
echo "</tr>\n";
echo "</table>\n";
} else {
echo "<p class=\"errormsg\">".get_string('configfilenotwritten', 'install')."</p>";
echo "<table cellspacing=\"0\" cellpadding=\"0\" border=\"0\" width=\"100%\">\n";
echo "<tr>\n";
echo "<td width=\"33.3%\"> </td>\n";
echo "<td width=\"33.3%\" align=\"center\">\n";
$installoptions = array();
$installoptions['download'] = 1;
print_single_button("install.php", $installoptions, get_string('download', 'install'));
echo "</td>\n";
echo "<td width=\"33.3%\" align=\"right\">\n";
print_single_button("index.php", $options, get_string('continue'));
echo "</td>\n";
echo "</tr>\n";
echo "</table>\n";
echo "<hr />\n";
echo "<div style=\"text-align: ".fix_align_rtl("left")."\">\n";
echo "<pre>\n";
print_r(s($str));
echo "</pre>\n";
echo "</div>\n";
}
} else {
$formaction = (isset($_GET['configfile'])) ? "install.php?configfile=".$_GET['configfile'] : "install.php";
form_table($nextstage, $formaction);
}
?>
</td>
</tr>
</table>
<?php
}
?>
</body>
</html>
<?php
//==========================================================================//
function form_table($nextstage = WELCOME, $formaction = "install.php") {
global $INSTALL, $db;
/// Print the standard form if we aren't in the DOWNLOADLANG page
/// because it has its own form.
if ($nextstage != DOWNLOADLANG) {
$needtoopenform = false;
?>
<form id="installform" method="post" action="<?php echo $formaction ?>">
<input type="hidden" name="stage" value="<?php echo $nextstage ?>" />
<?php
} else {
$needtoopenform = true;
}
?>
<table class="install_table" cellspacing="3" cellpadding="3" align="center">
<?php
/// what we do depends on the stage we're at
switch ($nextstage) {
case WELCOME: /// Welcome and language settings
?>
<tr>
<td class="td_left"><p><?php print_string('language') ?></p></td>
<td class="td_right">
<?php choose_from_menu (get_installer_list_of_languages(), 'language', $INSTALL['language'], '') ?>
</td>
</tr>
<?php
break;
case COMPATIBILITY: /// Compatibilty check
$compatsuccess = true;
/// Check that PHP is of a sufficient version
print_compatibility_row(inst_check_php_version(), get_string('phpversion', 'install'), get_string('phpversionerror', 'install'), 'phpversionhelp');
/// Check session auto start
print_compatibility_row(!ini_get_bool('session.auto_start'), get_string('sessionautostart', 'install'), get_string('sessionautostarterror', 'install'), 'sessionautostarthelp');
/// Check magic quotes
print_compatibility_row(!ini_get_bool('magic_quotes_runtime'), get_string('magicquotesruntime', 'install'), get_string('magicquotesruntimeerror', 'install'), 'magicquotesruntimehelp');
/// Check unsupported PHP configuration
print_compatibility_row(ini_get_bool('magic_quotes_gpc') || (!ini_get_bool('register_globals')), get_string('globalsquotes', 'install'), get_string('globalsquoteserror', 'install'), 'globalsquoteshelp');
/// Check safe mode
print_compatibility_row(!ini_get_bool('safe_mode'), get_string('safemode', 'install'), get_string('safemodeerror', 'install'), 'safemodehelp', true);
/// Check file uploads
print_compatibility_row(ini_get_bool('file_uploads'), get_string('fileuploads', 'install'), get_string('fileuploadserror', 'install'), 'fileuploadshelp', true);
/// Check GD version
print_compatibility_row(check_gd_version(), get_string('gdversion', 'install'), get_string('gdversionerror', 'install'), 'gdversionhelp', true);
/// Check memory limit
print_compatibility_row(check_memory_limit(), get_string('memorylimit', 'install'), get_string('memorylimiterror', 'install'), 'memorylimithelp', true);
break;
case DIRECTORY: /// Directory settings
?>
<tr>
<td class="td_left"><p><?php print_string('wwwroot', 'install') ?></p></td>
<td class="td_right">
<input type="text" size="40"name="wwwrootform" value="<?php p($INSTALL['wwwrootform'],true) ?>" />
</td>
</tr>
<tr>
<td class="td_left"><p><?php print_string('dirroot', 'install') ?></p></td>
<td class="td_right">
<input type="text" size="40" name="dirrootform" disabled="disabled" value="<?php p($INSTALL['dirrootform'],true) ?>" />
</td>
</tr>
<tr>
<td class="td_left"><p><?php print_string('dataroot', 'install') ?></p></td>
<td class="td_right">
<input type="text" size="40" name="dataroot" value="<?php p($INSTALL['dataroot'],true) ?>" />
</td>
</tr>
<?php
break;
case DATABASE: /// Database settings
?>
<tr>
<td class="td_left"><p><?php print_string('dbtype', 'install') ?></p></td>
<td class="td_right">
<?php choose_from_menu (array('mysql' => get_string('mysql', 'install'),
'mysqli' => get_string('mysqli', 'install'),
'oci8po' => get_string('oci8po', 'install'),
'postgres7' => get_string('postgres7', 'install'),
'mssql' => get_string('mssql', 'install'),
'mssql_n' => get_string('mssql_n', 'install'),
'odbc_mssql' => get_string('odbc_mssql', 'install')),
'dbtype', $INSTALL['dbtype'], '', 'toggledbinfo();') ?>
</td>
</tr>
<tr>
<td class="td_left"><p><?php print_string('dbhost', 'install') ?></p></td>
<td class="td_right">
<input type="text" size="40" name="dbhost" value="<?php echo $INSTALL['dbhost'] ?>" />
</td>
</tr>
<tr>
<td class="td_left"><p><?php print_string('database', 'install') ?></p></td>
<td class="td_right">
<input type="text" size="40" name="dbname" value="<?php echo $INSTALL['dbname'] ?>" />
</td>
</tr>
<tr>
<td class="td_left"><p><?php print_string('user') ?></p></td>
<td class="td_right">
<input type="text" size="40" name="dbuser" value="<?php echo $INSTALL['dbuser'] ?>" />
</td>
</tr>
<tr>
<td class="td_left"><p><?php print_string('password') ?></p></td>
<td class="td_right">
<input type="password" size="40" name="dbpass" value="<?php echo $INSTALL['dbpass'] ?>" />
</td>
</tr>
<tr>
<td class="td_left"><p><?php print_string('dbprefix', 'install') ?></p></td>
<td class="td_right">
<input type="text" size="40" name="prefix" value="<?php echo $INSTALL['prefix'] ?>" />
</td>
</tr>
<?php
break;
case ADMIN: /// Administration directory setting
?>
<tr>
<td class="td_left"><p><?php print_string('admindirname', 'install') ?></p></td>
<td class="td_right">
<input type="text" size="40" name="admindirname" value="<?php echo $INSTALL['admindirname'] ?>" />
</td>
</tr>
<?php
break;
case ENVIRONMENT: /// Environment checks
?>
<tr>
<td colspan="2">
<?php
error_reporting(0); // Hide errors
$dbconnected = $db->Connect($INSTALL['dbhost'],$INSTALL['dbuser'],$INSTALL['dbpass'],$INSTALL['dbname']);
error_reporting(7); // Show errors
if ($dbconnected) {
/// Execute environment check, printing results
check_moodle_environment($INSTALL['release'], $environment_results, true);
} else {
/// We never should reach this because DB has been tested before arriving here
$errormsg = get_string('dbconnectionerror', 'install');
$nextstage = DATABASE;
echo '<p class="errormsg" align="center">'.get_string('dbconnectionerror', 'install').'</p>';
}
?>
</td>
</tr>
<?php
break;
case DOWNLOADLANG: /// Download language from download.moodle.org
?>
<tr>
<td colspan="2">
<?php
/// Get array of languages, we are going to use it
$languages=get_installer_list_of_languages();
/// Print the download form (button) if necessary
if ($INSTALL['showdownloadlangpack'] == true && substr($INSTALL['language'],0,2) != 'en') {
$options = array();
$options['downloadlangpack'] = true;
$options['stage'] = DOWNLOADLANG;
$options['same'] = true;
print_simple_box_start('center');
print_single_button('install.php', $options, get_string('downloadlanguagebutton','install', $languages[$INSTALL['language']]), 'POST');
print_simple_box_end();
} else {
/// Show result info
/// English lang packs aren't downloaded
if (substr($INSTALL['language'],0,2) == 'en') {
print_simple_box(get_string('downloadlanguagenotneeded', 'install', $languages[$INSTALL['language']]), 'center', '80%');
} else {
if ($INSTALL['downloadlangpackerror']) {
echo "<p class=\"errormsg\" align=\"center\">".$INSTALL['downloadlangpackerror']."</p>\n";
print_simple_box(get_string('langdownloaderror', 'install', $languages[$INSTALL['language']]), 'center', '80%');
} else {
print_simple_box(get_string('langdownloadok', 'install', $languages[$INSTALL['language']]), 'center', '80%');
}
}
}
?>
</td>
</tr>
<?php
break;
default:
}
?>
<tr>
<td colspan="<?php echo ($nextstage == COMPATIBILITY) ? 3 : 2; ?>">
<?php
if ($needtoopenform) {
?>
<form id="installform" method="post" action="<?php echo $formaction ?>">
<input type="hidden" name="stage" value="<?php echo $nextstage ?>" />
<?php
}
?>
<?php echo ($nextstage < SAVE) ? "<input type=\"submit\" name=\"next\" value=\"".get_string('next')." »\" style=\"float: ".fix_align_rtl("right")."\"/>\n" : " \n" ?>
<?php echo ($nextstage > WELCOME) ? "<input type=\"submit\" name=\"prev\" value=\"« ".get_string('previous')."\" style=\"float: ".fix_align_rtl("left")."\"/>\n" : " \n" ?>
<?php
if ($needtoopenform) {
?>
</form>
<?php
}
?>
</td>
</tr>
</table>
<?php
if (!$needtoopenform) {
?>
</form>
<?php
}
?>
<?php
}
//==========================================================================//
function print_compatibility_row($success, $testtext, $errormessage, $helpfield='', $caution=false) {
echo "<tr>\n";
echo "<td class=\"td_left\" valign=\"top\" nowrap width=\"160\"><p>$testtext</p></td>\n";
if ($success) {
echo "<td valign=\"top\"><p class=\"p_pass\">".get_string('pass', 'install')."</p></td>\n";
echo "<td valign=\"top\"> </td>\n";
} else {
echo "<td valign=\"top\"";
echo ($caution) ? "<p class=\"p_caution\">".get_string('caution', 'install') : "<p class=\"p_fail\">".get_string('fail', 'install');
echo "</p></td>\n";
echo "<td valign=\"top\">";
echo "<p>$errormessage ";
install_helpbutton("install.php?help=$helpfield");
echo "</p></td>\n";
}
echo "</tr>\n";
return $success;
}
//==========================================================================//
function install_helpbutton($url, $title='') {
if ($title == '') {
$title = get_string('help');
}
echo "<a href=\"javascript: void(0)\">";
echo "<img src=\"pix/help.gif\" class=\"iconhelp\" alt=\"$title\" title=\"$title\" ";
echo "onClick=\"return window.open('$url', 'Help', 'menubar=0,location=0,scrollbars,resizable,width=500,height=400')\">";
echo "</a>\n";