function com_install()
{
global $installer_object;
if (!isset($installer_object) || version_compare(JVERSION, '1.6', '>')) {
JFactory::getApplication()->enqueueMessage('Oops, Joomla! 1.5 manifest file loaded! Aborting installation.', 'notice');
return false;
}
// Check requirements.
require_once dirname(__FILE__) . '/install.script.php';
$installer = new Com_KunenaInstallerScript();
$version = $installer_object->manifest->getElementByPath('version');
if (!$installer->checkRequirements($version->data())) {
return false;
}
$adminpath = JPATH_ADMINISTRATOR . '/components/com_kunena';
// Remove old manifest files.
$manifests = array('manifest.xml', 'kunena.j16.xml');
foreach ($manifests as $filename) {
if (JFile::exists("{$adminpath}/{$filename}")) {
JFile::delete("{$adminpath}/{$filename}");
}
}
// Create new bootstrap file for the installer and keep backup from the old version.
if (JFile::exists("{$adminpath}/admin.kunena.php")) {
$backuppath = "{$adminpath}/bak";
if (JFolder::exists($backuppath)) {
JFolder::delete($backuppath);
}
if (!JFolder::create($backuppath)) {
return false;
}
$contents = file_get_contents("{$adminpath}/admin.kunena.php");
if (!strstr($contents, '/* KUNENA FORUM INSTALLER */')) {
JFile::move("{$adminpath}/admin.kunena.php", "{$backuppath}/admin.kunena.php");
}
}
$success = JFile::copy("{$adminpath}/install/entrypoints/admin.kunena.php", "{$adminpath}/admin.kunena.php");
if (!$success) {
return false;
}
// Reset installer state.
$app = JFactory::getApplication();
$app->setUserState('kunena-old', 0);
// This isn't called because of redirect.
$installer_object->parent->copyManifest();
// Redirect to Kunena Installer.
$redirect_url = JURI::base() . 'index.php?option=com_kunena';
header("HTTP/1.1 303 See Other");
header("Location: {$redirect_url}");
}
