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Jeena 2013-10-07 14:46:08 +02:00
commit 03995d3bc6
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scripts/JlogUpdater.php Normal file
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<?php
class JlogUpdater
{
/**
* Existing versions of Jlog as array
* version -> next version in history
*
* @var array
*/
var $versions = array(
'1.0.2' => '1.1.0',
'1.1.0' => '1.1.1',
'1.1.1' => '1.1.2',
'1.1.2' => '1.1.3'
);
function JlogUpdater()
{
require_once(JLOG_BASEPATH."scripts".DIRECTORY_SEPARATOR."settings.class.php");
}
function getOldVersion()
{
return JLOG_INSTALLED_VERSION;
}
function getNewVersion()
{
return JLOG_SOFTWARE_VERSION;
}
function isUp2Date()
{
if (version_compare($this->getOldVersion(), $this->getNewVersion(), '<')) {
return false;
}
return true;
}
function prepareForm($l)
{
$html = '<form action="' . $_SERVER['SCRIPT_NAME'] . '" method="post">'
. '<p>' . $l['admin']['e_admin_password'] . ': '
. '<input type="password" name="jlog_password" value="" />'
. '</p>';
$version = $this->getOldVersion();
while (isset($this->versions[$version])) {
$class = $this->_loadUpdateClass($version, $this->versions[$version]);
$html .= sprintf("<h2>Update <var>%s</var> &#x2192; <var>%s</var></h2>\n", $version, $this->versions[$version]);
$html .= $class->getForm($l);
$version = $this->versions[$version];
}
$html .= '<p><input type="submit" name="update" value="' . $l['admin']['update_start'] . '" /></p>';
$html .= '</form>';
return $html;
}
function performUpdate($l)
{
if (JLOG_AMDIN_PASSWORD !== md5($_POST['jlog_password']) and JLOG_ADMIN_PASSWORD !== md5(utf8_decode($_POST['jlog_password']))) {
return '<p>' . $l['admin']['login_false_pw'] . '</p>';
}
require_once(JLOG_BASEPATH."scripts".DIRECTORY_SEPARATOR."settings.class.php");
// read current settings from environment
$settings = new Settings($l);
$settings->importDataByConstants();
$error = false;
$html = '';
$version = $this->getOldVersion();
while (isset($this->versions[$version])) {
$class = $this->_loadUpdateClass($version, $this->versions[$version]);
$html .= sprintf("<h2>Update <var>%s</var> &#x2192; <var>%s</var></h2>\n", $version, $this->versions[$version]);
$result = $class->performUpdate($l, $settings);
if ($result === true) {
// we know that update class ran successfully
$result = $this->_updateVersionNumber($settings, $this->versions[$version]);
// check if errors occured
if (!empty($result)) {
$this->_renderErrors($result);
break;
}
else {
$html .= '<p>' . $l['admin']['update_successfull_part'] . '</p>';
}
}
else {
$html .= $this->_renderErrors($result);
break;
}
$version = $this->versions[$version];
}
if ($error) {
$html .= '<p>' . $l['admin']['update_failure'] . '</p>';
}
else {
$html .= '<p>' . $l['admin']['update_successfull'] . '</p>';
}
return $html;
}
function _getUpdateFile($oldver, $newver)
{
$oldver = str_replace('.', '', $oldver);
$newver = str_replace('.', '', $newver);
return "{$oldver}To{$newver}.php";
}
function _getUpdateClass($oldver, $newver)
{
$oldver = str_replace('.', '', $oldver);
$newver = str_replace('.', '', $newver);
return "JlogUpdate_{$oldver}To{$newver}";
}
function _loadUpdateClass($oldver, $newver)
{
$file = $this->_getUpdateFile($oldver, $newver);
$class = $this->_getUpdateClass($oldver, $newver);
require_once(dirname(__FILE__) . DIRECTORY_SEPARATOR . 'update' . DIRECTORY_SEPARATOR . $file);
return new $class();
}
function _renderErrors($errors)
{
$html = '<ul class="error">';
foreach ($errors as $error) {
$html .= '<li>' . $error . '</li>';
}
$html .= '</ul>';
return $html;
}
function _updateVersionNumber($settings, $newver)
{
$settings->setValue('jlog_installed_version', $newver);
$settings->setValue('jlog_installed_url', JLOG_SOFTWARE_URL);
$settings->setValue('jlog_installed_phpv', JLOG_SOFTWARE_PHPV);
$settings->setValue('jlog_installed_mysqlv', JLOG_SOFTWARE_MYSQLV);
// rewrite settings.inc.php
return $settings->do_settings();
}
}
// eof