moodle/lib/installlib.php
2009-02-07 17:07:05 +00:00

363 lines
11 KiB
PHP

<?php //$Id$
/**
* Functions to support installation process
*/
define('INSTALL_WELCOME', 0);
define('INSTALL_DISTRIBUTION', 1);
define('INSTALL_ENVIRONMENT', 2);
define('INSTALL_PATHS', 3);
define('INSTALL_DOWNLOADLANG', 4);
define('INSTALL_DATABASETYPE', 5);
define('INSTALL_DATABASE', 6);
define('INSTALL_SAVE', 7);
/**
*Tries to detect the right www root setting.
*
* @return string detected www root
*/
function install_guess_wwwroot() {
$wwwroot = '';
if (empty($_SERVER['HTTPS']) or $_SERVER['HTTPS'] == 'off') {
$wwwroot .= 'http://';
} else {
$wwwroot .= 'https://';
}
$hostport = explode(':', $_SERVER['HTTP_HOST']);
$wwwroot .= reset($hostport);
if ($_SERVER['SERVER_PORT'] != 80 and $_SERVER['SERVER_PORT'] != '443') {
$wwwroot .= ':'.$_SERVER['SERVER_PORT'];
}
$wwwroot .= $_SERVER['SCRIPT_NAME'];
list($wwwroot, $xtra) = explode('/install.php', $wwwroot);
return $wwwroot;
}
function install_ini_get_bool($ini_get_arg) {
$temp = ini_get($ini_get_arg);
if ($temp == '1' or strtolower($temp) == 'on') {
return true;
}
return false;
}
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 install_db_validate($database, $dbhost, $dbuser, $dbpass, $dbname, $prefix, $dboptions, $distro) {
// this is in function because we want the /install.php to parse in PHP4
if ($database->get_dbfamily() === 'mysql' and !empty($distro->setdbrootpassword) and $dbpass !== '') {
// distro hack - set root password
try {
if ($database->connect($dbhost, $dbuser, '', $dbname, $prefix, $dboptions)) {
$sql = "UPDATE user SET password=password(?) WHERE user='root'";
$params = array($dbpass);
$database->execute($sql, $params);
return '';
}
} catch (Exception $ignored) {
}
}
try {
try {
$database->connect($dbhost, $dbuser, $dbpass, $dbname, $prefix, $dboptions);
} catch (moodle_exception $e) {
// let's try to create new database
if ($database->create_database($dbhost, $dbuser, $dbpass, $dbname, $dboptions)) {
$database->connect($dbhost, $dbuser, $dbpass, $dbname, $prefix, $dboptions);
} else {
throw $e;
}
}
return '';
} catch (dml_exception $ex) {
return get_string($ex->errorcode, $ex->module, $ex->a).'<br />'.$ex->debuginfo;
}
}
/**
* 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 install_get_list_of_languages() {
global $CFG;
$languages = array();
/// Get raw list of lang directories
$langdirs = get_list_of_plugins('install/lang');
asort($langdirs);
/// Get some info from each lang
foreach ($langdirs as $lang) {
if ($lang == 'en') {
continue;
}
if (file_exists($CFG->dirroot.'/install/lang/'.$lang.'/installer.php')) {
$string = array();
include($CFG->dirroot.'/install/lang/'.$lang.'/installer.php');
if (substr($lang, -5) === '_utf8') { //Remove the _utf8 suffix from the lang to show
$shortlang = substr($lang, 0, -5);
} else {
$shortlang = $lang;
}
if (!empty($string['thislanguage'])) {
$languages[$lang] = $string['thislanguage'].' ('.$shortlang.')';
}
}
}
/// Return array
return $languages;
}
function install_print_help_page($help) {
global $CFG;
@header('Content-Type: text/html; charset=UTF-8');
@header('Cache-Control: no-store, no-cache, must-revalidate');
@header('Cache-Control: post-check=0, pre-check=0', false);
@header('Pragma: no-cache');
@header('Expires: Mon, 20 Aug 1969 09:23:00 GMT');
@header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');
echo '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">';
echo '<html dir="'.(right_to_left() ? 'rtl' : 'ltr').'">
<head>
<link rel="shortcut icon" href="theme/standard/favicon.ico" />
<link rel="stylesheet" type="text/css" href="'.$CFG->wwwroot.'/install.php?css=1" />
<title>'.get_string('installation','install').'</title>
<meta http-equiv="content-type" content="text/html; charset=UTF-8" />
<meta http-equiv="pragma" content="no-cache" />
<meta http-equiv="expires" content="0" />';
echo '</head><body>';
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');
}
close_window_button();
echo '</body></html>';
die;
}
function install_print_header($config, $stagename, $heading, $stagetext) {
global $CFG;
@header('Content-Type: text/html; charset=UTF-8');
@header('Cache-Control: no-store, no-cache, must-revalidate');
@header('Cache-Control: post-check=0, pre-check=0', false);
@header('Pragma: no-cache');
@header('Expires: Mon, 20 Aug 1969 09:23:00 GMT');
@header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');
echo '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">';
echo '<html dir="'.(right_to_left() ? 'rtl' : 'ltr').'">
<head>
<link rel="shortcut icon" href="theme/standard/favicon.ico" />';
$sheets = array('styles_layout', 'styles_fonts', 'styles_color', 'styles_moz');
$csss = array();
foreach ($sheets as $sheet) {
$csss[] = $CFG->wwwroot.'/theme/standard/'.$sheet.'.css';
}
$sheets = array('gradients');
foreach ($sheets as $sheet) {
$csss[] = $CFG->wwwroot.'/theme/standardwhite/'.$sheet.'.css';
}
foreach ($csss as $css) {
echo '<link rel="stylesheet" type="text/css" href="'.$css.'" />'."\n";
}
echo '<link rel="stylesheet" type="text/css" href="'.$CFG->wwwroot.'/install.php?css=1" />
<title>'.get_string('installation','install').' - Moodle '.$CFG->release.'</title>
<meta http-equiv="content-type" content="text/html; charset=UTF-8" />
<meta http-equiv="pragma" content="no-cache" />
<meta http-equiv="expires" content="0" />';
echo '</head><body class="notloggedin">
<div id="page" class="stage'.$config->stage.'">
<div id="header" class=" clearfix"><h1 class="headermain">'.get_string('installation','install').'</h1>
<div class="headermenu">&nbsp;</div></div><div class="navbar clearfix">
<div class="breadcrumb">
<ul><li class="first">'.$stagename.'</li></ul>
</div>
<div class="navbutton">&nbsp;</div>
</div>
<!-- END OF HEADER -->
<div id="installdiv">';
echo '<h2>'.$heading.'</h2>';
if ($stagetext !== '') {
echo '<div class="stage generalbox box">';
echo $stagetext;
echo '</div>';
}
// main
echo '<form id="installform" method="post" action="install.php"><fieldset>';
foreach ($config as $name=>$value) {
echo '<input type="hidden" name="'.$name.'" value="'.s($value).'" />';
}
}
function install_print_footer($config, $reload=false) {
global $CFG;
if ($config->stage > INSTALL_WELCOME) {
$first = '<input type="submit" id="previousbutton" name="previous" value="&laquo; '.s(get_string('previous')).'" />';
} else {
$first = '<input type="submit" id="previousbutton" name="next" value="'.s(get_string('reload', 'admin')).'" />';
$first .= '<script type="text/javascript">
//<![CDATA[
var first = document.getElementById("previousbutton");
first.style.visibility = "hidden";
//]]>
</script>
';
}
if ($reload) {
$next = '<input type="submit" id="nextbutton" name="next" value="'.s(get_string('reload', 'admin')).'" />';
} else {
$next = '<input type="submit" id="nextbutton" name="next" value="'.s(get_string('next')).' &raquo;" />';
}
echo '</fieldset><fieldset id="nav_buttons">'.$first.$next.'</fieldset>';
$homelink = '<div class="sitelink">'.
'<a title="Moodle '. $CFG->release .'" href="http://docs.moodle.org/en/Administrator_documentation" onclick="this.target=\'_blank\'">'.
'<img style="width:100px;height:30px" src="pix/moodlelogo.gif" alt="moodlelogo" /></a></div>';
echo '</form></div>';
echo '<div id="footer"><hr />'.$homelink.'</div>';
echo '</div></body></html>';
}
function install_css_styles() {
global $CFG;
@header('Content-type: text/css'); // Correct MIME type
@header('Cache-Control: no-store, no-cache, must-revalidate');
@header('Cache-Control: post-check=0, pre-check=0', false);
@header('Pragma: no-cache');
@header('Expires: Mon, 20 Aug 1969 09:23:00 GMT');
@header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');
//TODO: add rtl support here
echo '
h2 {
text-align:center;
}
#installdiv {
width: 800px;
margin-left:auto;
margin-right:auto;
}
#installdiv dt {
font-weight: bold;
}
#installdiv dd {
padding-bottom: 0.5em;
}
.stage {
margin-top: 2em;
margin-bottom: 2em;
width: 100%;
padding:25px;
}
#installform {
width: 100%;
}
#nav_buttons input {
margin: 5px;
}
#envresult {
text-align:left;
width: auto;
margin-left:10em;
}
#envresult dd {
color: red;
}
.formrow {
clear:both;
text-align:left;
padding: 8px;
}
.formrow label.formlabel {
display:block;
float:left;
width: 260px;
margin-right:5px;
text-align:right;
}
.formrow .forminput {
display:block;
float:left;
}
fieldset {
text-align:center;
border:none;
}
.hint {
display:block;
clear:both;
padding-left: 265px;
color: red;
}
.configphp {
text-align:left;
background-color:white;
padding:1em;
width:95%;
}
.stage7 .stage {
font-weight: bold;
color: red;
}
';
die;
}