Skip to content

HTTPS clone URL

Subversion checkout URL

You can clone with HTTPS or Subversion.

Download ZIP
Fetching contributors…

Cannot retrieve contributors at this time

766 lines (575 sloc) 23.278 kb
<?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 {
$configfile = './config.php';
}
///==========================================================================//
/// We are doing this in stages
/// 0. Welcome and language settings
/// 1. Compatibility
/// 2. Database settings
/// 3. Host settings
/// 4. Administration directory name
/// 5. Save or display the settings
/// 6. Redirect to index.php
///==========================================================================//
/// Begin the session as we are holding all information in a session
/// variable until the end.
session_name('MoodleSession');
@session_start();
if (! isset($_SESSION['INSTALL'])) {
$_SESSION['INSTALL'] = array();
}
$INSTALL = &$_SESSION['INSTALL']; // Makes it easier to reference
/// 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';
$INSTALL['dbhost'] = 'localhost';
$INSTALL['dbuser'] = '';
$INSTALL['dbpass'] = '';
$INSTALL['dbtype'] = 'mysql';
$INSTALL['dbname'] = 'moodle';
$INSTALL['prefix'] = 'mdl_';
$INSTALL['wwwroot'] = '';
$INSTALL['dirroot'] = dirname(__FILE__);
$INSTALL['dataroot'] = dirname(dirname(__FILE__)) . '/moodledata';
$INSTALL['admindirname'] = 'admin';
$INSTALL['stage'] = 0;
}
//==========================================================================//
/// 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->dataroot = $INSTALL['dataroot'];
$CFG->directorypermissions = 0777;
/// Include some moodle libraries
require_once('./lib/moodlelib.php');
require_once('./lib/weblib.php');
require_once('./lib/adodb/adodb.inc.php');
/// guess the www root
if ($INSTALL['wwwroot'] == '') {
list($INSTALL['wwwroot'], $xtra) = explode('/install.php', qualified_me());
}
$stagetext = array(0 => get_string('chooselanguage', 'install'),
get_string('compatibilitysettings', 'install'),
get_string('directorysettings', 'install'),
get_string('databasesettings', 'install'),
get_string('admindirsetting', 'install'),
get_string('configurationcomplete', 'install')
);
//==========================================================================//
/// Are we in help mode?
if (isset($_GET['help'])) {
$nextstage = -1;
}
//==========================================================================//
/// Are we in config download mode?
if (isset($_GET['download'])) {
header("Content-Type: application/download\n");
header("Content-Disposition: attachment; filename=\"config.php\"");
echo $INSTALL['config'];
exit;
}
//==========================================================================//
/// Was data submitted?
if (isset($_POST['stage'])) {
/// Get the stage for which the form was set and the next stage we are going to
if ( $goforward = (! empty( $_POST['next'] )) ) {
$nextstage = $_POST['stage'] + 1;
} else {
$nextstage = $_POST['stage'] - 1;
}
if ($nextstage < 0) $nextstage = 0;
/// Store any posted data
foreach ($_POST as $setting=>$value) {
$INSTALL[$setting] = $value;
}
} else {
$goforward = true;
$nextstage = 0;
}
//==========================================================================//
/// Check the directory settings
if ($INSTALL['stage'] == 2) {
error_reporting(0);
/// check dirroot
if (($fh = @fopen($INSTALL['dirroot'].'/install.php', 'r')) === false ) {
$CFG->dirroot = dirname(__FILE__);
$INSTALL['dirroot'] = dirname(__FILE__);
$errormsg .= get_string('dirrooterror', 'install').'<br />';
}
if ($fh) fclose($fh);
$CFG->dirroot = $INSTALL['dirroot'];
/// check wwwroot
if (ini_get('allow_url_fopen')) {
if (($fh = @fopen($INSTALL['wwwroot'].'/install.php', 'r')) === false) {
$errormsg .= get_string('wwwrooterror', 'install').'<br />';
}
}
if ($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)) $nextstage = 2;
error_reporting(7);
}
//==========================================================================//
/// Check database settings if stage 3 data submitted
/// Try to connect to the database. If that fails then try to create the database
if ($INSTALL['stage'] == 3) {
if (empty($INSTALL['dbname'])) {
$INSTALL['dbname'] = 'moodle';
}
/// different format for postgres7 by socket
if ($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');
$nextstage = 3;
}
}
if (empty($errormsg)) {
$db = &ADONewConnection($INSTALL['dbtype']);
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 ($INSTALL['dbtype']) { /// Try to create a database
case 'mysql':
if ($db->Execute("CREATE DATABASE {$INSTALL['dbname']};")) {
$dbconnected = $db->Connect($INSTALL['dbhost'],$INSTALL['dbuser'],$INSTALL['dbpass'],$INSTALL['dbname']);
} else {
$errormsg = get_string('dbcreationerror', 'install');
$nextstage = 3;
}
break;
}
}
}
}
error_reporting(7);
if (($dbconnected === false) and (empty($errormsg)) ) {
$errormsg = get_string('dbconnectionerror', 'install');
$nextstage = 3;
}
}
//==========================================================================//
/// If the next stage is admin directory settings OR we have just come from there then
/// check the admin directory.
/// If we can open a file then we know that the admin name is correct.
if ($nextstage == 4 or $INSTALL['stage'] == 4) {
if (($fh = @fopen($INSTALL['wwwroot'].'/'.$INSTALL['admindirname'].'/site.html', 'r')) !== false) {
$nextstage = ($goforward) ? 5 : 3;
fclose($fh);
} else {
if ($nextstage != 4) {
$errormsg = get_string('admindirerror', 'install');
$nextstage = 4;
}
}
}
//==========================================================================//
/// Display or print the data
/// Put the data into a string
/// Try to open config file for writing.
if ($nextstage == 5) {
$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 = \''.$INSTALL['wwwroot']."';\r\n";
$str .= '$CFG->dirroot = \''.$INSTALL['dirroot']."';\r\n";
$str .= '$CFG->dataroot = \''.$INSTALL['dataroot']."';\r\n";
$str .= "\r\n";
$str .= '$CFG->directorypermissions = 0777;'."\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'] = $str;
}
//==========================================================================//
?>
<html dir="<?php echo (get_string('this_direction') == 'rtl') ? 'rtl' : 'ltr' ?>">
<head>
<link rel="shortcut icon" href="http://moodle.dougiamas.net/theme/standard/favicon.ico" />
<title>Moodle Install</title>
<meta http-equiv="content-type" content="text/html; charset=<?php print_string('thischarset') ?>" />
<?php css_styles() ?>
</head>
<body>
<?php
if (isset($_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=\"\"></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 $stagetext[$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 == 5) {
$INSTALL['stage'] = 0;
$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%\">&nbsp;</td>\n";
echo "<td width=\"33.3%\">&nbsp;</td>\n";
echo "<td width=\"33.3%\" align=\"right\">\n";
print_single_button("index.php", $options, get_string('continue')." &raquo;");
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%\">&nbsp;</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", $options, get_string('continue')." &raquo;");
echo "</td>\n";
echo "</tr>\n";
echo "</table>\n";
echo "<hr />\n";
echo "<div style=\"text-align: left\">\n";
print_object(htmlentities($str));
echo "</div>\n";
}
} else {
$formaction = (isset($_GET['configfile'])) ? "install.php?configfile=".$_GET['configfile'] : "install.php";
form_table($nextstage, $formaction);
}
?>
</td>
</tr>
</table>
<?php
}
?>
</body>
</html>
<?php
//==========================================================================//
function print_object($object) {
echo "<pre>\n";
print_r($object);
echo "</pre>\n";
}
//==========================================================================//
function form_table($nextstage = 0, $formaction = "install.php") {
global $INSTALL;
/// standard lines for all forms
?>
<form name="installform" method="post" action="<?php echo $formaction ?>">
<input type="hidden" name="stage" value="<?php echo $nextstage ?>" />
<table class="install_table" cellspacing="3" cellpadding="3" align="center">
<?php
/// what we do depends on the stage we're at
switch ($nextstage) {
case 0: /// Language settings
?>
<tr>
<td class="td_left"><p><?php print_string('language') ?></p></td>
<td class="td_right">
<?php choose_from_menu (get_list_of_languages(), 'language', $INSTALL['language'], '') ?>
</td>
</tr>
<?php
break;
case 1: /// Compatibilty check
$compatsuccess = true;
/// Check that PHP is of a sufficient version
print_compatibility_row(check_php_version("4.1.0"), 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 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 2: /// 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="wwwroot" value="<?php echo $INSTALL['wwwroot'] ?>" />
</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="dirroot" value="<?php echo $INSTALL['dirroot'] ?>" />
</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 echo $INSTALL['dataroot'] ?>" />
</td>
</tr>
<?php
break;
case 3: /// 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" => "mysql", "postgres7" => "postgres7"), 'dbtype', $INSTALL['dbtype'], '') ?>
</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 4: /// 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 $INSTALL['admindirname'] ?>" />
</td>
</tr>
<?php
break;
default:
}
?>
<tr>
<td colspan="<?php echo ($nextstage == 1) ? '3' : '2'; ?>">
<?php echo ($nextstage < 5) ? "<input type=\"submit\" name=\"next\" value=\"".get_string('next')." &raquo;\" style=\"float: right\"/>\n" : "&nbsp;\n" ?>
<?php echo ($nextstage > 0) ? "<input type=\"submit\" name=\"prev\" value=\"&laquo; ".get_string('previous')."\" style=\"float: left\"/>\n" : "&nbsp;\n" ?>
</td>
</tr>
</table>
</form>
<?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 ($success) {
echo "<td valign=\"top\"><p class=\"p_pass\">".get_string('pass', 'install')."</p></td>\n";
echo "<td valign=\"top\">&nbsp;</td>\n";
} else {
echo "<td valign=\"top\"";
echo ($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 == '') {
$title = get_string('help');
}
echo "<a href=\"javascript: void(0)\">";
echo "<img src=\"./pix/help.gif\" height=\"17\" width=\"22\" alt=\"$title\"";
echo "border=\"0\" align=\"middle\" title=\"$title\" ";
echo "onClick=\"return window.open('$url', 'Help', 'menubar=0,location=0,scrollbars,resizable,width=500,height=400')\">";
echo "</a>\n";
}
//==========================================================================//
function print_install_help($help) {
switch ($help) {
case 'phpversionhelp':
print_string($help, 'install', phpversion());
break;
case 'memorylimithelp':
print_string($help, 'install', get_memory_limit());
break;
default:
print_string($help, 'install');
}
}
//==========================================================================//
function get_memory_limit() {
if ($limit = ini_get('memory_limit')) {
return $limit;
} else {
return get_cfg_var('memory_limit');
}
}
//==========================================================================//
function check_memory_limit() {
/// if limit is already 16M or more then we don't care if we can change it or not
if ((int)str_replace('M', '', get_memory_limit()) >= 16) {
return true;
}
/// Otherwise, see if we can change it ourselves
@ini_set('memory_limit', '16M');
return ((int)str_replace('M', '', get_memory_limit()) >= 16);
}
//==========================================================================//
function css_styles() {
?>
<style type="text/css">
body { background-color: #ffeece; }
p, li {
font-family: helvetica, arial, sans-serif;
font-size: 10pt;
}
a { text-decoration: none; color: blue; }
.errormsg {
color: red;
font-weight: bold;
}
blockquote {
font-family: courier, monospace;
font-size: 10pt;
}
.install_table {
width: 500px;
}
.td_left {
text-align: right;
font-weight: bold;
}
.td_right {
text-align: left;
}
.main {
width: 500px;
border-width: 1px;
border-style: solid;
border-color: #ffc85f;
-moz-border-radius-bottomleft: 15px;
-moz-border-radius-bottomright: 15px;
}
.td_mainheading {
background-color: #fee6b9;
padding: 10px;
}
.td_main {
text-align: center;
}
.td_mainlogo {
}
.p_mainlogo {
}
.p_mainheading {
font-size: 11pt;
}
.p_mainheader{
text-align: right;
font-size: 20pt;
font-weight: bold;
}
.p_pass {
color: green;
font-weight: bold;
}
.p_fail {
color: red;
font-weight: bold;
}
.p_caution {
color: #ff6600;
font-weight: bold;
}
.p_help {
text-align: center;
font-family: helvetica, arial, sans-serif;
font-size: 14pt;
font-weight: bold;
color: #333333;
}
</style>
<?php
}
?>
Jump to Line
Something went wrong with that request. Please try again.