check = CACHE_DIR . $validated_prefix .$cache->getKey();
if(!file_exists($this->check)) {
// Run through potential issues
$this->active = $this->problemChecker();
// If no issues remain, save a state file in the cache
if (!$this->active) {
// delete any exising validated files
foreach (glob(CACHE_DIR . $validated_prefix. '*') as $filename) {
unlink($filename);
}
// create a file in the cache dir so it only runs on cache changes
touch($this->check);
}
}
}
public function onAfterGetPage()
{
if (!$this->active) {
return;
}
/** @var Grav $grav */
$grav = Registry::get('Grav');
$grav->page->content("# Issues Found\n##Please **Review** and **Resolve** before continuing...");
}
/**
* Add current directory to twig lookup paths.
*/
public function onAfterTwigTemplatesPaths()
{
if (!$this->active) {
return;
}
Registry::get('Twig')->twig_paths[] = __DIR__ . '/templates';
}
/**
*
*/
public function onFatalException($e)
{
// Run through potential issues
if ($this->problemChecker()) {
foreach ($this->results as $key => $result) {
if ($key == 'files') {
foreach ($result as $filename => $status) {
if (key($status)) {
continue;
}
$text = reset($status);
echo "{$filename} {$text}
";
}
} else {
if (key($status)) {
continue;
}
$text = reset($status);
echo "{$text}
";
}
}
// Create Required Folders if they don't exist
if (!is_dir(LOG_DIR)) mkdir(LOG_DIR);
if (!is_dir(CACHE_DIR)) mkdir(CACHE_DIR);
if (!is_dir(IMAGES_DIR)) mkdir(IMAGES_DIR);
if (!is_dir(DATA_DIR)) mkdir(DATA_DIR);
exit();
}
}
/**
* Set needed variables to display the problems.
*/
public function onAfterSiteTwigVars()
{
if (!$this->active) {
return;
}
$twig = Registry::get('Twig');
$twig->template = 'problems.html.twig';
$twig->twig_vars['results'] = $this->results;
if ($this->config->get('plugins.problems.built_in_css')) {
$twig->twig_vars['stylesheets'][] = 'user/plugins/problems/problems.css';
}
}
protected function problemChecker()
{
$min_php_version = '5.4.0';
$problems_found = false;
$essential_files = [
'index.php' => false,
'.htaccess' => false,
'cache' => true,
'logs' => true,
'images' => true,
'system' => false,
'user/data' => true,
'user/pages' => false,
'user/config' => false,
'user/plugins/error' => false,
'user/plugins' => false,
'user/themes' => false,
'vendor' => false
];
// Check PHP version
if (version_compare(phpversion(), '5.4.0', '<')) {
$problems_found = true;
$php_version_adjective = 'lower';
$php_version_status = false;
} else {
$php_version_adjective = 'greater';
$php_version_status = true;
}
$this->results['php'] = [$php_version_status => 'Your PHP version (' . phpversion() . ') is '. $php_version_adjective . ' than the minimum required: ' . $min_php_version . ''];
// Check for GD library
if (defined('GD_VERSION') && function_exists('gd_info')) {
$gd_adjective = '';
$gd_status = true;
} else {
$problems_found = true;
$gd_adjective = 'not ';
$gd_status = false;
}
$this->results['gd'] = [$gd_status => 'PHP GD (Image Manipulation Library) is '. $gd_adjective . 'installed'];
// Check for essential files & perms
$file_problems = [];
foreach($essential_files as $file => $check_writable) {
$file_path = ROOT_DIR . $file;
if (!file_exists($file_path)) {
$problems_found = true;
$file_status = false;
$file_adjective = 'does not exist';
} else {
$file_status = true;
$file_adjective = 'exists';
$is_writeable = is_writable($file_path);
$is_dir = is_dir($file_path);
if ($check_writable) {
if (!$is_writeable) {
$file_status = false;
$problems_found = true;
$file_adjective .= ' but is not writeable';
} else {
$file_adjective .= ' and is writeable';
}
}
}
if (!$file_status || $is_dir || $check_writable) {
$file_problems[$file_path] = [$file_status => $file_adjective];
}
}
if (sizeof($file_problems) > 0) {
$this->results['files'] = $file_problems;
}
return $problems_found;
}
}