<?php
//==========================================================================//
function form_table($nextstage = WELCOME, $formaction = "install.php") {
global $INSTALL, $db;
$enablenext = true;
/// Print the standard form if we aren't in the DOWNLOADLANG page
/// because it has its own form.
if ($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('phpversionerror', 'install'), 'phpversionhelp');
$enablenext = $enablenext && inst_check_php_version();
/// Check session auto start
print_compatibility_row(!ini_get_bool('session.auto_start'), get_string('sessionautostart', 'install'), get_string('sessionautostarterror', 'install'), 'sessionautostarthelp');
$enablenext = $enablenext && !ini_get_bool('session.auto_start');
/// Check magic quotes
print_compatibility_row(!ini_get_bool('magic_quotes_runtime'), get_string('magicquotesruntime', 'install'), get_string('magicquotesruntimeerror', 'install'), 'magicquotesruntimehelp');
$enablenext = $enablenext && !ini_get_bool('magic_quotes_runtime');
/// Check unsupported PHP configuration
print_compatibility_row(!ini_get_bool('register_globals'), get_string('globalsquotes', 'install'), get_string('globalswarning', 'install'));
$enablenext = $enablenext && !ini_get_bool('register_globals');
/// Check safe mode
print_compatibility_row(!ini_get_bool('safe_mode'), get_string('safemode', 'install'), get_string('safemodeerror', 'install'), 'safemodehelp', true);
/// Check file uploads
print_compatibility_row(ini_get_bool('file_uploads'), get_string('fileuploads', 'install'), get_string('fileuploadserror', 'install'), 'fileuploadshelp', true);
/// Check GD version
print_compatibility_row(check_gd_version(), get_string('gdversion', 'install'), get_string('gdversionerror', 'install'), 'gdversionhelp', true);
/// Check memory limit
print_compatibility_row(check_memory_limit(), get_string('memorylimit', 'install'), get_string('memorylimiterror', 'install'), 'memorylimithelp', true);
break;
case DIRECTORY: /// Directory settings
?>
<tr>
<td class="td_left"><p class="p_install"><?php print_string('wwwroot', 'install') ?></p></td>
<td class="td_right">
<input type="text" size="40"name="wwwrootform" value="<?php p($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 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', $INSTALL['dbtype'], '', 'toggledbinfo();') ?>
</td>
</tr>
<tr>
<td class="td_left"><p class="p_install"><?php print_string('dbhost', 'install') ?></p></td>
<td class="td_right">
<input type="text" class="input_database" name="dbhost" value="<?php p($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'],$INSTALL['dbname']);
error_reporting(7); // Show errors
if ($dbconnected) {
/// Execute environment check, printing results
@remove_dir($INSTALL['dataroot'] . '/environment'); /// Always delete downloaded env. info to force use of the released one. MDL-9796
check_moodle_environment($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
}
$disabled = $enablenext ? '' : 'disabled="disabled"';
?>
<?php echo ($nextstage < SAVE) ? "<div><input $disabled type=\"submit\" name=\"next\" value=\"".get_string('next')." »\" style=\"float: ".fix_align_rtl("right")."\"/></div>\n" : " \n" ?>
<?php echo ($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\">$errormessage ";
if ($helpfield !== '') {
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
raise_memory_limit('40M');
return ((int)str_replace('M', '', get_memory_limit()) >= 40);
}
//==========================================================================//
function inst_check_php_version() {
if (!check_php_version("4.3.0")) {
return false;
} else if (check_php_version("5.0.0")) {
return check_php_version("5.1.0"); // 5.0.x is too buggy
}
return true; // 4.3.x or 4.4.x is fine
}
//==========================================================================//
/* 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
$langdirs = get_list_of_plugins('install/lang');
asort($langdirs);
/// Get some info from each lang
foreach ($langdirs as $lang) {
if (file_exists($CFG->dirroot .'/install/lang/'. $lang .'/installer.php')) {
include($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 = $lang;
}
if ($lang == 'en') { //Explain this is non-utf8 en
$shortlang = 'non-utf8 en';
}
if (!empty($string['thislanguage'])) {
$languages[$lang] = $string['thislanguage'] .' ('. $shortlang .')';
}
unset($string);
}
}
/// Return array
return $languages;
}
//==========================================================================//
function css_styles() {
?>
<style type="text/css">
body { background-color: #ffeece; }
p, li, td {
font-family: helvetica, arial, sans-serif;
font-size: 10pt;
}
a { text-decoration: none; color: blue; }
a img {
border: none;
}
.errormsg {
color: red;
font-weight: bold;
}
blockquote {
font-family: courier, monospace;
font-size: 10pt;
}
.input_database {
width: 270px;
}
.install_table {
width: 500px;
margin-left:auto;
margin-right:auto;
}
.td_left {
text-align: <?php echo fix_align_rtl("right") ?>;
font-weight: bold;
}
.td_left_nowrap{
text-align: <?php echo fix_align_rtl("right") ?>;
font-weight: bold;
white-space: nowrap;
width: 160px;
padding-left: 10px;
}
.td_right {
text-align: <?php echo fix_align_rtl("left") ?>;
}
.main {
width: 80%;
border-width: 1px;
border-style: solid;
border-color: #ffc85f;
margin-left:auto;
margin-right:auto;
-moz-border-radius-bottomleft: 15px;
-moz-border-radius-bottomright: 15px;
}
.td_mainheading {
background-color: #fee6b9;
padding-left: 10px;
}
.td_main {
text-align: center;
}
.td_mainlogo {
vertical-align: middle;
}
.p_mainlogo {
margin-top: 0px;
margin-bottom: 0px;
}
.p_mainheading {
font-size: 11pt;
margin-top: 16px;
margin-bottom: 16px;
}
.p_subheading {
font-size: 10pt;
padding-left: 10px;
margin-top: 16px;
margin-bottom: 16px;
}
.p_mainheader{
text-align: right;
font-size: 20pt;
font-weight: bold;
margin-top: 0px;
margin-bottom: 0px;
}
.p_pass {
color: green;
font-weight: bold;
margin-top: 0px;
margin-bottom: 0px;
}
.p_fail {
color: red;
font-weight: bold;
margin-top: 0px;
margin-bottom: 0px;
}
.p_caution {
color: #ff6600;
font-weight: bold;
margin-top: 0px;
margin-bottom: 0px;
}
.p_help {
text-align: center;
font-family: helvetica, arial, sans-serif;
font-size: 14pt;
font-weight: bold;
color: #333333;
margin-top: 0px;
margin-bottom: 0px;
}
/* This override the p tag for every p tag in this installation script,
but not in lang\xxx\installer.php
*/
.p_install {
margin-top: 0px;
margin-bottom: 0px;
}
.environmenttable {
font-size: 10pt;
border-color: #ffc85f;
}
table.environmenttable .error {
background-color : red;
color : inherit;
}
table.environmenttable .warn {
background-color : yellow;
}
table.environmenttable .ok {
background-color : lightgreen;
}
.header {
background-color: #fee6b9;
font-size: 10pt;
}
.cell {
background-color: #ffeece;
font-size: 10pt;
}
.error {
color: #ff0000;
}
.errorboxcontent {
text-align: center;
font-weight: bold;
padding-left: 20px;
color: #ff0000;
}
.invisiblefieldset {
display:inline;
border:0px;
padding:0px;
margin:0px;
}
#mysql, #mysqli, #postgres7, #mssql, #mssql_n, #odbc_mssql, #oci8po {
display: none;
}
</style>
<?php
}
//==========================================================================//
function database_js() {
?>
<script type="text/javascript" defer="defer">
function toggledbinfo() {
//Calculate selected value
var showid = 'mysql';
if (document.getElementById('installform').dbtype.value) {
showid = document.getElementById('installform').dbtype.value;
}
if (document.getElementById) {
//Hide all the divs
document.getElementById('mysql').style.display = '';
document.getElementById('mysqli').style.display = '';
document.getElementById('postgres7').style.display = '';
document.getElementById('mssql').style.display = '';
document.getElementById('mssql_n').style.display = '';
document.getElementById('odbc_mssql').style.display = '';
document.getElementById('oci8po').style.display = '';
//Show the selected div
document.getElementById(showid).style.display = 'block';
} else if (document.all) {
//This is the way old msie versions work
//Hide all the divs
document.all['mysql'].style.display = '';
document.all['mysqli'].style.display = '';
document.all['postgres7'].style.display = '';
document.all['mssql'].style.display = '';
document.all['mssql_n'].style.display = '';
document.all['odbc_mssql'].style.display = '';
document.all['oci8po'].style.display = '';
//Show the selected div
document.all[showid].style.display = 'block';
} else if (document.layers) {
//This is the way nn4 works
//Hide all the divs
document.layers['mysql'].style.display = '';
document.layers['mysqli'].style.display = '';
document.layers['postgres7'].style.display = '';
document.layers['mssql'].style.display = '';
document.layers['mssql_n'].style.display = '';
document.layers['odbc_mssql'].style.display = '';
document.layers['oci8po'].style.display = '';
//Show the selected div
document.layers[showid].style.display = 'block';
}
}
</script>
<?php
}
/**
* Add slashes for single quotes and backslashes
* so they can be included in single quoted string
* (for config.php)
*/
function addsingleslashes($input){
return preg_replace("/(['\\\])/", "\\\\$1", $input);
}
?>
