/**
* Get a list of files and folders that must be ignored/removed on upgrade
*
* @param string Type of action: 'ignore', 'remove', 'softmove', 'forcemove'
* 'unknown' - Stores all unknown actions
* 'incorrect' - Stores all incorrect actions
* @return array|string List of files and folders | Error message
*/
function get_upgrade_config($action)
{
global $conf_path, $upgrade_policy_config;
if (!isset($upgrade_policy_config)) {
// Init global array first time
$upgrade_policy_config = array();
} elseif (is_string($upgrade_policy_config)) {
// Return error about config file
return $upgrade_policy_config;
}
if (isset($upgrade_policy_config[$action])) {
// The config files were already initialized before, Don't make it twice
return $upgrade_policy_config[$action];
}
if (!check_upgrade_config()) {
// The upgrade config file is NOT mandatory
// Return just an empty array without error text
// Error message is displayed on top page by $Messages object
return $upgrade_policy_config;
}
$config_handle = @fopen($conf_path . 'upgrade_policy.conf', 'r');
if (!$config_handle) {
// No permissions to open file
$upgrade_policy_config = sprintf(T_('No permission to open the %s file.'), '<code>upgrade_policy.conf</code>');
return $upgrade_policy_config;
}
// Get content from config file
$config_content = '';
while (!feof($config_handle)) {
$config_content .= fgets($config_handle, 4096);
}
fclose($config_handle);
if (empty($config_content)) {
// Config file is empty for required action
$upgrade_policy_config = sprintf(T_('The %s file is empty.'), '<code>upgrade_policy.conf</code>');
return $upgrade_policy_config;
}
// Only these actions are available in the upgrade_policy.conf
$available_actions = array('ignore', 'remove', 'softmove', 'forcemove');
$all_actions = array_merge($available_actions, array('unknown', 'incorrect'));
foreach ($all_actions as $available_action) {
// Init array for all actions only first time
if (!isset($upgrade_policy_config[$available_action])) {
$upgrade_policy_config[$available_action] = array();
}
}
$config_content = str_replace("\r", '', $config_content);
$config_content = explode("\n", $config_content);
foreach ($config_content as $config_line) {
if (substr($config_line, 0, 1) == ';') {
// This line is comment text, Skip it
continue;
}
$config_line = trim($config_line);
$config_line_params = explode(' ', $config_line);
$line_action = $config_line_params[0];
if (in_array($line_action, $available_actions)) {
// This line has an available action
if (empty($config_line_params[1])) {
// Incorrect command
$upgrade_policy_config['incorrect'][] = $config_line;
continue;
}
if ($line_action == 'softmove' || $line_action == 'forcemove') {
// These actions have two params
if (empty($config_line_params[1]) || empty($config_line_params[2])) {
// Incorrect command
$upgrade_policy_config['incorrect'][] = $config_line;
continue;
}
$upgrade_policy_config[$line_action][$config_line_params[1]] = $config_line_params[2];
} else {
// Actions 'ignore' & 'remove' have only one param
$upgrade_policy_config[$line_action][] = $config_line_params[1];
}
} elseif (!empty($line_action)) {
// Also save all unknown actions to display error
$upgrade_policy_config['unknown'][] = $config_line;
}
}
return $upgrade_policy_config[$action];
}
global $current_User;
/**
* @vars string paths
*/
global $basepath, $upgrade_path, $install_path;
// Check minimum permission:
$current_User->check_perm('perm_maintenance', 'upgrade', true);
// Used in the upgrade process
$script_start_time = $servertimenow;
$tab = param('tab', 'string', '', true);
// Set options path:
$AdminUI->set_path('options', 'misc', 'upgrade' . $tab);
// Get action parameter from request:
param_action();
// Display message if the upgrade config file doesn't exist
check_upgrade_config(true);
$AdminUI->breadcrumbpath_init(false);
// fp> I'm playing with the idea of keeping the current blog in the path here...
$AdminUI->breadcrumbpath_add(T_('System'), '?ctrl=system');
$AdminUI->breadcrumbpath_add(T_('Maintenance'), '?ctrl=tools');
if ($tab == 'svn') {
$AdminUI->breadcrumbpath_add(T_('Upgrade from SVN'), '?ctrl=upgrade&tab=' . $tab);
} else {
$AdminUI->breadcrumbpath_add(T_('Auto Upgrade'), '?ctrl=upgrade');
}
// Display <html><head>...</head> section! (Note: should be done early if actions do not redirect)
$AdminUI->disp_html_head();
// Display title, menu, messages, etc. (Note: messages MUST be displayed AFTER the actions)
$AdminUI->disp_body_top();
$AdminUI->disp_payload_begin();
echo '<h2 class="red">WARNING: EXPERIMENTAL FEATURE!</h2>';
