static function init($context = false, $get_method = 'basic')
{
global $gp_filesystem;
if ($gp_filesystem !== false) {
return true;
}
if ($get_method == 'list') {
$method = gp_filesystem_base::get_filesystem_method_list($context);
} else {
$method = gp_filesystem_base::get_filesystem_method($context);
}
return gp_filesystem_base::set_method($method);
}
/**
* Determine how we'll be writing the new code to the server (ftp or direct)
*
*/
function DetectFileSystem()
{
global $dataDir, $gp_filesystem;
//already determined
if (isset($_POST['filesystem_method']) && gp_filesystem_base::set_method($_POST['filesystem_method'])) {
return $_POST['filesystem_method'];
}
$this->curr_step = 1;
//make sure we don't attempt anything beyond step 1
$context[$dataDir] = 'file';
// Need to be able to write to the dataDir
$context[$dataDir . '/include'] = 'file';
// Need to be able to rename or delete the include directory
$context[$dataDir . '/themes'] = 'dir';
// These may have user content in them and should not be completely replaced
$context[$dataDir . '/addons'] = 'dir';
gp_filesystem_base::init($context, 'list');
if (!$gp_filesystem) {
return false;
}
return $gp_filesystem->method;
}
function Update()
{
global $langmessage, $gp_filesystem, $gpversion;
if (!isset($this->update_data['packages']['core'])) {
echo $langmessage['OOPS'];
return false;
}
$core_package =& $this->update_data['packages']['core'];
if (!isset($_POST['step'])) {
$curr_step = 1;
} else {
$curr_step = (int) $_POST['step'];
}
//already up to date?
if ($curr_step < 4 && version_compare($gpversion, $core_package['version'], '>=')) {
message($langmessage['UP_TO_DATE']);
return false;
}
//filesystem
$filesystem_method = false;
if (isset($_POST['filesystem_method']) && gp_filesystem_base::set_method($_POST['filesystem_method'])) {
$filesystem_method = $_POST['filesystem_method'];
} else {
$curr_step = 1;
$this->DetectFileSystem();
if (!$gp_filesystem) {
message('Update Aborted: Could not establish a file writing method compatible with your server.');
return false;
}
$filesystem_method = $gp_filesystem->method;
}
$this->steps[1] = $langmessage['step:prepare'];
$this->steps[2] = $langmessage['step:download'];
$this->steps[3] = $langmessage['step:unpack'];
$this->steps[4] = $langmessage['step:clean'];
echo '<div>' . $langmessage['update_steps'] . '</div>';
echo '<ol class="steps">';
$curr_step_label = '';
foreach ($this->steps as $temp_step => $message) {
if ($curr_step == $temp_step) {
echo '<li class="current">' . $message . '</li>';
$curr_step_label = $message;
} elseif ($temp_step < $curr_step) {
echo '<li class="done">' . $message . '</li>';
} else {
echo '<li>' . $message . '</li>';
}
}
echo '</ol>';
echo '<h3>' . $curr_step_label . '</h3>';
echo '<form method="post" action="?cmd=update">';
if ($filesystem_method) {
echo '<input type="hidden" name="filesystem_method" value="' . htmlspecialchars($filesystem_method) . '" />';
}
$done = false;
$passed = false;
switch ($curr_step) {
case 4:
$done = $this->CleanUp($core_package);
break;
case 3:
echo '<ul>';
$passed = $this->UnpackAndReplace($core_package);
$this->OldFolders();
echo '</ul>';
break;
case 2:
echo '<ul class="progress">';
$passed = $this->DownloadSource($core_package);
echo '</ul>';
break;
case 1:
$passed = $this->GetServerInfo($core_package);
break;
}
if ($gp_filesystem) {
$gp_filesystem->destruct();
}
$this->SaveData();
//save any changes made by the steps
if (!$done) {
if ($passed) {
echo '<input type="hidden" name="step" value="' . min(count($this->steps), $curr_step + 1) . '"/>';
echo '<input type="submit" class="submit" name="" value="' . htmlspecialchars($langmessage['next_step']) . '" />';
} elseif ($curr_step < 3) {
echo '<input type="hidden" name="step" value="' . min(count($this->steps), $curr_step) . '"/>';
echo '<input type="submit" class="submit" name="" value="' . htmlspecialchars($langmessage['continue']) . '" />';
} else {
echo '<input type="hidden" name="failed_install" value="failed_install"/>';
echo '<input type="hidden" name="step" value="4"/>';
echo '<input type="submit" class="submit" name="" value="' . htmlspecialchars($langmessage['step:clean']) . '..." />';
}
}
echo '</form>';
//echo showArray($this->update_data);
//echo showArray($core_package);
return true;
}
