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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 {
$configfile = './config.php';
}
///==========================================================================//
/// We are doing this in stages
define ('WELCOME', 0); /// 0. Welcome and language settings
define ('COMPATIBILITY', 1); /// 1. Compatibility
define ('DIRECTORY', 2); /// 2. Directory settings
define ('DATABASE', 3); /// 2. Database settings
define ('ADMIN', 4); /// 4. Administration directory name
define ('ENVIRONMENT', 5); /// 5. Administration directory name
define ('DOWNLOADLANG', 6); /// 6. Load complete lang from download.moodle.org
define ('SAVE', 7); /// 7. Save or display the settings
define ('REDIRECT', 8); /// 8. Redirect to index.php
///==========================================================================//
/// This has to be defined to avoid a notice in current_language()
define('SITEID', 0);
/// Begin the session as we are holding all information in a session
/// variable until the end.
session_name('MoodleSession');
@session_start();
/// make sure PHP errors are displayed to help diagnose problems
@error_reporting(1023); //E_ALL not used because we do not want strict notices in PHP5 yet
@ini_set('display_errors', '1');
if (! isset($_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'] = 'mysqli_adodb';
$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
$gpc = ini_get('magic_quotes_gpc');
$gpc = ($gpc == '1' or strtolower($gpc) == 'on');
/// Store any posted data
foreach ($_POST as $setting=>$value) {
if ($gpc) {
$value = stripslashes($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'];
}
$nextstage = (int)$nextstage;
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;
$CFG->docroot = 'http://docs.moodle.org';
$CFG->httpswwwroot = $INSTALL['wwwrootform']; // Needed by doc_link() in Server Checks page.
$COURSE->id = 0;
/// Include some moodle libraries
require_once($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($CFG->libdir.'/dmllib.php');
require_once($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;
/// list all supported drivers - unsupported must be installed manually ;-)
$supported = array (
'mysqli_adodb',
'mysql_adodb',
'postgres7_adodb',
'mssql_n_adodb',
'mssql_adodb',
'odbc_mssql_adodb',
'oci8po_adodb'
);
$databases = array ();
foreach($supported as $driver) {
$classname = $driver.'_moodle_database';
require_once ("$CFG->libdir/dml/$classname.php");
$databases[$driver] = new $classname ();
}
/// guess the www root
if ($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'] = $INSTALL['wwwroot'];
fclose($fh);
}
}
/// check dirroot
if (($fh = @fopen($INSTALL['dirrootform'].'/install.php', 'r')) === false) {
$errormsg .= get_string('dirrooterror', 'install').'<br />';
$INSTALL['dirrootform'] = $INSTALL['dirroot'];
fclose($fh);
}
/// check dataroot
$CFG->dataroot = $INSTALL['dataroot'];
if (make_upload_directory('sessions', false) === false) {
$errormsg .= get_string('datarooterror', 'install').'<br />';
}
if (!empty($errormsg)) {
$nextstage = DIRECTORY;
}
error_reporting(38911);
}
//==========================================================================//
/// Check database settings if stage 3 data submitted
/// Try to connect to the database. If that fails then try to create the database
if ($INSTALL['stage'] == DATABASE) {
$DB = $databases[$INSTALL['dbtype']];
$dbfamily = $DB->get_dbfamily();
$errormsg = $DB->driver_installed();
if ($errormsg === true) {
$errormsg = '';
} else {
$nextstage = DATABASE;
}
if (empty($INSTALL['prefix']) and $dbfamily != 'mysql') { // All DBs but MySQL require prefix (reserv. words)
$errormsg = get_string('dbwrongprefix', 'install');
$nextstage = DATABASE;
}
if ($dbfamily == 'oracle' and strlen($INSTALL['prefix']) > 2) { // Oracle max prefix = 2cc (30cc limit)
$errormsg = get_string('dbwrongprefix', 'install');
$nextstage = DATABASE;
}
if ($dbfamily == 'oracle' and !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'], false, $INSTALL['prefix'])) {
$db->database = ''; // reset database name cached by ADODB. Trick from MDL-9609
if ($dbconnected = $db->Connect($INSTALL['dbhost'],$INSTALL['dbuser'],$INSTALL['dbpass'])) { /// Try to connect without DB
switch ($INSTALL['dbtype']) { /// Try to create a database
case 'mysql':
case 'mysqli':
if ($db->Execute("CREATE DATABASE {$INSTALL['dbname']} DEFAULT CHARACTER SET utf8 COLLATE utf8_unicode_ci;")) {
$dbconnected = $db->Connect($INSTALL['dbhost'],$INSTALL['dbuser'],$INSTALL['dbpass'],$INSTALL['dbname']);
} else {
$errormsg = get_string('dbcreationerror', 'install');
$nextstage = DATABASE;
}
break;
}
}
} else {
// TODO: db encoding checks ??
}
}
error_reporting(38911);
/// Output db connection error
if ((empty($errormsg) and ($dbconnected === false)) ) {
$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) {
$DB = $databases[$INSTALL['dbtype']];
error_reporting(0); // Hide errors
$dbconnected = $DB->connect($INSTALL['dbhost'], $INSTALL['dbuser'], $INSTALL['dbpass'], $INSTALL['dbname'], false, $INSTALL['prefix']);
error_reporting(38911); // Show errors
if ($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 = $cd->install(); //returns COMPONENT_(ERROR | UPTODATE | INSTALLED)
switch ($status) {
case COMPONENT_ERROR:
if ($cd->get_error() == 'remotedownloaderror') {
$a = new stdClass();
$a->url = 'http://download.moodle.org/lang16/'.$INSTALL['language'].'.zip';
$a->dest= $CFG->dataroot.'/lang';
$downloaderror = get_string($cd->get_error(), 'error', $a);
} else {
$downloaderror = get_string($cd->get_error(), 'error');
}
break;
case COMPONENT_UPTODATE:
case COMPONENT_INSTALLED:
$downloadsuccess = true;
break;
default:
//We shouldn't reach this point
}
} else {
//We shouldn't reach this point
}
error_reporting(38911); // Show errors
if ($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";
$str .= '$CFG = new stdClass();'."\r\n"; // prevent PHP5 strict warnings
$str .= "\r\n";
$database = $databases[$INSTALL['dbtype']];
$database->connect($INSTALL['dbhost'], $INSTALL['dbuser'], $INSTALL['dbpass'], $INSTALL['dbname'], false, $INSTALL['prefix']);
$dbconfig = $database->export_dbconfig();
$dbconfig->persistent = false;
foreach ($dbconfig as $key=>$value) {
$key = str_pad($key, 9);
if (is_bool($value)) {
if ($value) {
$str .= '$CFG->'.$key.' = true;'."\r\n";
} else {
$str .= '$CFG->'.$key.' = false;'."\r\n";
}
} else {
$str .= '$CFG->'.$key.' = \''.addsingleslashes($value)."';\r\n";
}
}
$str .= "\r\n";
$str .= '$CFG->wwwroot = \''.addsingleslashes($INSTALL['wwwrootform'])."';\r\n";
$str .= '$CFG->dirroot = \''.addsingleslashes($INSTALL['dirrootform'])."';\r\n";
$str .= '$CFG->dataroot = \''.addsingleslashes($INSTALL['dataroot'])."';\r\n";
$str .= '$CFG->admin = \''.addsingleslashes($INSTALL['admindirname'])."';\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'] = $str;
}
//==========================================================================//
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html dir="<?php echo (right_to_left() ? 'rtl' : 'ltr'); ?>">
<head>
<link rel="shortcut icon" href="theme/standard/favicon.ico" />
<title>Moodle Install</title>
<meta http-equiv="content-type" content="text/html; charset=UTF-8" />
<?php css_styles($databases) ?>
<?php database_js($databases) ?>
</head>
<body>
<?php
if (isset($_GET['help'])) {
print_install_help($_GET['help']);
close_window_button();
} else {
?>
<table class="main" 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 ($nextstage == DATABASE) {
foreach ($databases as $driver=>$database) {
echo '<script type="text/javascript" defer="defer">window.onload=toggledbinfo;</script>';
echo '<div id="'.$driver.'">' . $database->get_configuration_hints();
echo '<p style="text-align: center">' . get_string('databasesettingswillbecreated', 'install') . '</p>';
echo '</div>';
}
} else {
if (!empty($substagetext[$nextstage])) {
echo '<p class="p_subheading">' . $substagetext[$nextstage] . '</p>';
}
}
?>
</td>
</tr>
<tr>
<td class="td_main" colspan="2">
<?php
if (!empty($errormsg)) echo "<p class=\"errormsg\" style=\"text-align:center\">$errormsg</p>\n";
if ($nextstage == SAVE) {
$INSTALL['stage'] = WELCOME;
$options = array();
$options['lang'] = $INSTALL['language'];
if ($configsuccess) {
echo "<p class=\"p_install\">".get_string('configfilewritten', 'install')."</p>\n";
echo "<table cellspacing=\"0\" cellpadding=\"0\" border=\"0\" width=\"100%\">\n";
echo "<tr>\n";
echo "<td> </td>\n";
echo "<td> </td>\n";
echo "<td 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> </td>\n";
echo "<td align=\"center\">\n";
$installoptions = array();
$installoptions['download'] = 1;
print_single_button("install.php", $installoptions, get_string('download', 'install'));
echo "</td>\n";
echo "<td align=\"right\">\n";
print_single_button("index.php", $options, get_string('continue'));
echo "</td>\n";
echo "</tr>\n";
echo "</table>\n";
echo "<hr />\n";
echo "<div style=\"text-align: ".fix_align_rtl("left")."\">\n";
echo "<pre>\n";
p($INSTALL['config']);
echo "</pre>\n";
echo "</div>\n";
}
} else {
$formaction = (isset($_GET['configfile'])) ? "install.php?configfile=".$_GET['configfile'] : "install.php";
form_table($nextstage, $formaction, $databases);
}
?>
</td>
</tr>
</table>
<?php
}
?>
</body>
</html>
<?php
//==========================================================================//
function form_table($nextstage, $formaction, $databases) {
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 ?>">
<div><input type="hidden" name="stage" value="<?php echo $nextstage ?>" /></div>
<?php
} else {
$needtoopenform = true;
}
?>
<table class="install_table" cellspacing="3" cellpadding="3">
<?php
/// what we do depends on the stage we're at
switch ($nextstage) {
case WELCOME: /// Welcome and language settings
?>
<tr>
<td class="td_left"><p class="p_install"><?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
$compatsuccess = true;
/// Check that PHP is of a sufficient version
print_compatibility_row(inst_check_php_version(), get_string('phpversion', 'install'), get_string('php52versionerror', 'install'), 'php52versionhelp');
/// Check session auto start
print_compatibility_row(!ini_get_bool('session.auto_start'), get_string('sessionautostart', 'install'), get_string('sessionautostarterror', 'install'), 'sessionautostarthelp');
/// Check magic quotes
print_compatibility_row(!ini_get_bool('magic_quotes_runtime'), get_string('magicquotesruntime', 'install'), get_string('magicquotesruntimeerror', 'install'), 'magicquotesruntimehelp');
/// Check unsupported PHP configuration
print_compatibility_row(ini_get_bool('magic_quotes_gpc') || (!ini_get_bool('register_globals')), get_string('globalsquotes', 'install'), get_string('globalsquoteserror', 'install'), 'globalsquoteshelp');
/// Check safe mode
print_compatibility_row(!ini_get_bool('safe_mode'), get_string('safemode', 'install'), get_string('safemodeerror', 'install'), 'safemodehelp', true);
/// Check file uploads
print_compatibility_row(ini_get_bool('file_uploads'), get_string('fileuploads', 'install'), get_string('fileuploadserror', 'install'), 'fileuploadshelp', true);
/// Check GD version
print_compatibility_row(check_gd_version(), get_string('gdversion', 'install'), get_string('gdversionerror', 'install'), 'gdversionhelp', true);
/// Check memory limit
print_compatibility_row(check_memory_limit(), get_string('memorylimit', 'install'), get_string('memorylimiterror', 'install'), 'memorylimithelp', true);
break;
case DIRECTORY: /// Directory settings
?>
<tr>
<td class="td_left"><p class="p_install"><?php print_string('wwwroot', 'install') ?></p></td>
<td class="td_right">
<input type="text" size="40"name="wwwrootform" value="<?php p($INSTALL['wwwrootform'],true) ?>" />
</td>
</tr>
<tr>
<td class="td_left"><p class="p_install"><?php print_string('dirroot', 'install') ?></p></td>
<td class="td_right">
<input type="text" size="40" name="dirrootform" disabled="disabled" value="<?php p($INSTALL['dirrootform'],true) ?>" />
</td>
</tr>
<tr>
<td class="td_left"><p class="p_install"><?php print_string('dataroot', 'install') ?></p></td>
<td class="td_right">
<input type="text" size="40" name="dataroot" value="<?php p($INSTALL['dataroot'],true) ?>" />
</td>
</tr>
<?php
break;
case DATABASE: /// Database settings
?>
<tr>
<td class="td_left"><p class="p_install"><?php print_string('dbtype', 'install') ?></p></td>
<td class="td_right">
<?php
$options = array ();
foreach ($databases as $type => $database) {
$name = $database->get_name();
if ($database->driver_installed() !== true) {
$name = "$name - driver not installed"; // TODO: improve missing driver notification
}
$options[$type] = $name;
}
choose_from_menu($options, 'dbtype', $INSTALL['dbtype'], '', 'toggledbinfo();')
?>
</td>
</tr>
<tr>
<td class="td_left"><p class="p_install"><?php print_string('dbhost', 'install') ?></p></td>
<td class="td_right">
<input type="text" class="input_database" name="dbhost" value="<?php p($INSTALL['dbhost']) ?>" />
</td>
</tr>
<tr>
<td class="td_left"><p class="p_install"><?php print_string('database', 'install') ?></p></td>
<td class="td_right">
<input type="text" class="input_database" name="dbname" value="<?php p($INSTALL['dbname']) ?>" />
</td>
</tr>
<tr>
<td class="td_left"><p class="p_install"><?php print_string('user') ?></p></td>
<td class="td_right">
<input type="text" class="input_database" name="dbuser" value="<?php p($INSTALL['dbuser']) ?>" />
</td>
</tr>
<tr>
<td class="td_left"><p class="p_install"><?php print_string('password') ?></p></td>
<td class="td_right">
<input type="password" class="input_database" name="dbpass" value="<?php p($INSTALL['dbpass']) ?>" />
</td>
</tr>
<tr>
<td class="td_left"><p class="p_install"><?php print_string('dbprefix', 'install') ?></p></td>
<td class="td_right">
<input type="text" class="input_database" name="prefix" value="<?php p($INSTALL['prefix']) ?>" />
</td>
</tr>
<?php
break;
case ADMIN: /// Administration directory setting
?>
<tr>
<td class="td_left"><p class="p_install"><?php print_string('admindirname', 'install') ?></p></td>
<td class="td_right">
<input type="text" size="40" name="admindirname" value="<?php p($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'],$INSTALL['dbname']);
error_reporting(38911); // Show errors
if ($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" style="text-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 ?>">
<div><input type="hidden" name="stage" value="<?php echo $nextstage ?>" /></div>
<?php
}
?>
<?php echo ($nextstage < SAVE) ? "<div><input type=\"submit\" name=\"next\" value=\"".get_string('next')." »\" style=\"float: ".fix_align_rtl("right")."\"/></div>\n" : " \n" ?>
<?php echo ($nextstage > WELCOME) ? "<div><input type=\"submit\" name=\"prev\" value=\"« ".get_string('previous')."\" style=\"float: ".fix_align_rtl("left")."\"/></div>\n" : " \n" ?>
<?php
if ($needtoopenform) {
?>
</form>
<?php
}
?>
</td>
</tr>
</table>
<?php
if (!$needtoopenform) {
?>
</form>
<?php
}
?>
<?php
}
//==========================================================================//
function print_compatibility_row($success, $testtext, $errormessage, $helpfield='', $caution=false) {
echo "<tr>\n";
echo "<td class=\"td_left_nowrap\" valign=\"top\"><p class=\"p_install\">$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 class=\"p_install\">$errormessage ";
install_helpbutton("install.php?help=$helpfield");
echo "</p></td>\n";
}
echo "</tr>\n";
return $success;
}
//==========================================================================//
function install_helpbutton($url, $title='') {
if ($title == '') {
$title = get_string('help');
}
echo "<a href=\"javascript:void(0)\" ";
echo "onclick=\"return window.open('$url','Help','menubar=0,location=0,scrollbars,resizable,width=500,height=400')\"";
echo ">";
echo "<img src=\"pix/help.gif\" class=\"iconhelp\" alt=\"$title\" title=\"$title\"/>";
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 40 or more then we don't care if we can change it or not
if ((int)str_replace('M', '', get_memory_limit()) >= 40) {
return true;
}
/// Otherwise, see if we can change it ourselves
@ini_set('memory_limit', '40M');
return ((int)str_replace('M', '', get_memory_limit()) >= 40);
}
//==========================================================================//
function inst_check_php_version() {
return check_php_version("5.2.0");
}
//==========================================================================//
/* This function returns a list of languages and their full names. The
* list of available languages is fetched from install/lang/xx/installer.php
* and it's used exclusively by the installation process
* @return array An associative array with contents in the form of LanguageCode => LanguageName
*/
function get_installer_list_of_languages() {
global $CFG;
$languages = array();
/// Get raw list of lang directories