/**
* Builds the upgrader page stage
*
* @access public
* @return string A block of valid XHTML to display the requirements
*/
function Display()
{
$tpl = new Jaws_Template(false, false);
$tpl->load('display.html', 'stages/Requirements/templates');
$tpl->setBlock('Requirements');
$tpl->setVariable('requirements', _t('UPGRADE_REQUIREMENTS'));
$tpl->setVariable('requirement', _t('UPGRADE_REQ_REQUIREMENT'));
$tpl->setVariable('optional', _t('UPGRADE_REQ_OPTIONAL'));
$tpl->setVariable('recommended', _t('UPGRADE_REQ_RECOMMENDED'));
$tpl->setVariable('directive', _t('UPGRADE_REQ_DIRECTIVE'));
$tpl->setVariable('actual', _t('UPGRADE_REQ_ACTUAL'));
$tpl->setVariable('result', _t('UPGRADE_REQ_RESULT'));
$tpl->SetVariable('next', _t('GLOBAL_NEXT'));
$modules = get_loaded_extensions();
$modules = array_map('strtolower', $modules);
_log(JAWS_LOG_DEBUG, "Checking requirements...");
// PHP version
$tpl->setBlock('Requirements/req_item');
$tpl->setVariable('item', _t('UPGRADE_REQ_PHP_VERSION'));
$tpl->setVariable('item_requirement', _t('UPGRADE_REQ_GREATER_THAN', MIN_PHP_VERSION));
$tpl->setVariable('item_actual', phpversion());
if (version_compare(phpversion(), MIN_PHP_VERSION, ">=") == 1) {
_log(JAWS_LOG_DEBUG, "PHP installed version looks ok (>= " . MIN_PHP_VERSION . ")");
$result_txt = '<span style="color: #0b0;">' . _t('UPGRADE_REQ_OK') . '</span>';
} else {
_log(JAWS_LOG_DEBUG, "PHP installed version (" . phpversion() . ") is not supported");
$result_txt = '<span style="color: #b00;">' . _t('UPGRADE_REQ_BAD') . '</span>';
}
$tpl->setVariable('result', $result_txt);
$tpl->parseBlock('Requirements/req_item');
// config directory
$tpl->setBlock('Requirements/req_item');
$result = $this->_check_path('config', 'r');
$tpl->setVariable('item', _t('UPGRADE_REQ_DIRECTORY', 'config'));
$tpl->setVariable('item_requirement', _t('UPGRADE_REQ_READABLE'));
$tpl->setVariable('item_actual', $this->_get_perms('config'));
if ($result) {
_log(JAWS_LOG_DEBUG, "config directory has read-permission privileges");
$result_txt = '<span style="color: #0b0;">' . _t('UPGRADE_REQ_OK') . '</span>';
} else {
_log(JAWS_LOG_DEBUG, "config directory doesn't have read-permission privileges");
$result_txt = '<span style="color: #b00;">' . _t('UPGRADE_REQ_BAD') . '</span>';
}
$tpl->setVariable('result', $result_txt);
$tpl->parseBlock('Requirements/req_item');
// data directory
$tpl->setBlock('Requirements/req_item');
$result = $this->_check_path('data', 'rw');
$tpl->setVariable('item', _t('UPGRADE_REQ_DIRECTORY', 'data'));
$tpl->setVariable('item_requirement', _t('UPGRADE_REQ_WRITABLE'));
$tpl->setVariable('item_actual', $this->_get_perms('data'));
if ($result) {
_log(JAWS_LOG_DEBUG, "data directory has read and write permission privileges");
$result_txt = '<span style="color: #0b0;">' . _t('UPGRADE_REQ_OK') . '</span>';
} else {
_log(JAWS_LOG_DEBUG, "data directory doesn't have read and write permission privileges");
$result_txt = '<span style="color: #b00;">' . _t('UPGRADE_REQ_BAD') . '</span>';
}
$tpl->setVariable('result', $result_txt);
$tpl->parseBlock('Requirements/req_item');
// Database drivers
$tpl->setBlock('Requirements/req_item');
$tpl->setVariable('item', implode('<br/>', $this->_db_drivers));
$tpl->setVariable('item_requirement', _t('GLOBAL_YES'));
$actual = '';
$db_state = false;
foreach (array_keys($this->_db_drivers) as $ext) {
$db_state = $db_state || in_array($ext, $modules);
$actual .= (!empty($actual) ? '<br />' : '') . (in_array($ext, $modules) ? $ext : '-----');
}
$tpl->setVariable('item_actual', $actual);
if ($db_state) {
_log(JAWS_LOG_DEBUG, "Available database drivers: {$actual}");
$result_txt = '<span style="color: #0b0;">' . _t('UPGRADE_REQ_OK') . '</span>';
} else {
_log(JAWS_LOG_DEBUG, "No database driver found");
$result_txt = '<span style="color: #b00;">' . _t('UPGRADE_REQ_BAD') . '</span>';
}
$tpl->setVariable('result', $result_txt);
$tpl->parseBlock('Requirements/req_item');
// XML extension
$tpl->setBlock('Requirements/req_item');
$tpl->setVariable('item', _t('UPGRADE_REQ_EXTENSION', 'XML'));
$tpl->setVariable('item_requirement', _t('GLOBAL_YES'));
$tpl->setVariable('item_actual', in_array('xml', $modules) ? _t('GLOBAL_YES') : _t('GLOBAL_NO'));
if (in_array('xml', $modules)) {
_log(JAWS_LOG_DEBUG, "xml support is enabled");
$result_txt = '<span style="color: #0b0;">' . _t('UPGRADE_REQ_OK') . '</span>';
} else {
_log(JAWS_LOG_DEBUG, "xml support is not enabled");
$result_txt = '<span style="color: #b00;">' . _t('UPGRADE_REQ_BAD') . '</span>';
}
$tpl->setVariable('result', $result_txt);
$tpl->parseBlock('Requirements/req_item');
// File Upload
$tpl->setBlock('Requirements/rec_item');
$tpl->setVariable('item', _t('UPGRADE_REQ_FILE_UPLOAD'));
$tpl->setVariable('item_requirement', _t('GLOBAL_YES'));
$check = (bool) ini_get('file_uploads');
$tpl->setVariable('item_actual', $check ? _t('GLOBAL_YES') : _t('GLOBAL_NO'));
if ($check) {
_log(JAWS_LOG_DEBUG, "PHP accepts file uploads");
$result_txt = '<span style="color: #0b0;">' . _t('UPGRADE_REQ_OK') . '</span>';
} else {
_log(JAWS_LOG_DEBUG, "PHP doesn't accept file uploads");
$result_txt = '<span style="color: #b00;">' . _t('UPGRADE_REQ_BAD') . '</span>';
}
$tpl->setVariable('result', $result_txt);
$tpl->parseBlock('Requirements/rec_item');
// Safe mode
$tpl->setBlock('Requirements/rec_item');
$tpl->setVariable('item', _t('UPGRADE_REQ_SAFE_MODE'));
$tpl->setVariable('item_requirement', _t('UPGRADE_REQ_OFF'));
$safe_mode = (bool) ini_get('safe_mode');
$tpl->setVariable('item_actual', $safe_mode ? _t('UPGRADE_REQ_ON') : _t('UPGRADE_REQ_OFF'));
if ($safe_mode) {
_log(JAWS_LOG_DEBUG, "PHP has safe-mode turned on");
$result_txt = '<span style="color: #b00;">' . _t('UPGRADE_REQ_BAD') . '</span>';
} else {
_log(JAWS_LOG_DEBUG, "PHP has safe-mode turned off");
$result_txt = '<span style="color: #0b0;">' . _t('UPGRADE_REQ_OK') . '</span>';
}
$tpl->setVariable('result', $result_txt);
$tpl->parseBlock('Requirements/rec_item');
// GD/ImageMagick
$tpl->setBlock('Requirements/rec_item');
$tpl->setVariable('item', _t('UPGRADE_REQ_EXTENSION', 'GD/ImageMagick'));
$tpl->setVariable('item_requirement', _t('GLOBAL_YES'));
$actual = in_array('gd', $modules) ? 'GD' : '';
$actual .= in_array('magickwand', $modules) ? (empty($actual) ? '' : ' + ') . 'ImageMagick' : '';
$actual = empty($actual) ? 'No' : $actual;
$tpl->setVariable('item_actual', $actual);
if (in_array('gd', $modules) || in_array('magickwand', $modules)) {
_log(JAWS_LOG_DEBUG, "PHP has GD or ImageMagick turned on");
$result_txt = '<span style="color: #0b0;">' . _t('UPGRADE_REQ_OK') . '</span>';
} else {
_log(JAWS_LOG_DEBUG, "PHP has GD or ImageMagick turned off");
$result_txt = '<span style="color: #b00;">' . _t('UPGRADE_REQ_BAD') . '</span>';
}
$tpl->setVariable('result', $result_txt);
$tpl->parseBlock('Requirements/rec_item');
// Exif extension
$tpl->setBlock('Requirements/rec_item');
$tpl->setVariable('item', _t('UPGRADE_REQ_EXTENSION', 'Exif'));
$tpl->setVariable('item_requirement', _t('GLOBAL_YES'));
$tpl->setVariable('item_actual', in_array('exif', $modules) ? _t('GLOBAL_YES') : _t('GLOBAL_NO'));
if (in_array('exif', $modules)) {
_log(JAWS_LOG_DEBUG, "exif support is enabled");
$result_txt = '<span style="color: #0b0;">' . _t('UPGRADE_REQ_OK') . '</span>';
} else {
_log(JAWS_LOG_DEBUG, "exif support is not enabled");
$result_txt = '<span style="color: #b00;">' . _t('UPGRADE_REQ_BAD') . '</span>';
}
$tpl->setVariable('result', $result_txt);
$tpl->parseBlock('Requirements/rec_item');
// OpenSSL extension
$tpl->setBlock('Requirements/rec_item');
$tpl->setVariable('item', _t('UPGRADE_REQ_EXTENSION', 'OpenSSL'));
$tpl->setVariable('item_requirement', _t('GLOBAL_YES'));
$tpl->setVariable('item_actual', in_array('openssl', $modules) ? _t('GLOBAL_YES') : _t('GLOBAL_NO'));
if (in_array('openssl', $modules)) {
_log(JAWS_LOG_DEBUG, "openssl extension is loaded");
$result_txt = '<span style="color: #0b0;">' . _t('INSTALL_REQ_OK') . '</span>';
} else {
_log(JAWS_LOG_DEBUG, "openssl extension is not loaded");
$result_txt = '<span style="color: #b00;">' . _t('INSTALL_REQ_BAD') . '</span>';
}
$tpl->setVariable('result', $result_txt);
$tpl->parseBlock('Requirements/rec_item');
$tpl->parseBlock('Requirements');
return $tpl->get();
}
