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select2/docs/plugins/problems/problems.php
2019-09-11 04:02:16 -04:00

333 lines
11 KiB
PHP

<?php
namespace Grav\Plugin;
use Grav\Common\Cache;
use Grav\Common\Plugin;
use Grav\Common\Uri;
class ProblemsPlugin extends Plugin
{
protected $results = array();
protected $check;
/**
* @return array
*/
public static function getSubscribedEvents()
{
return [
'onPluginsInitialized' => ['onPluginsInitialized', 100001],
'onFatalException' => ['onFatalException', 0]
];
}
public function onFatalException()
{
if ($this->isAdmin()) {
$this->active = false;
return;
}
// Run through potential issues
if ($this->problemChecker()) {
$this->renderProblems();
}
}
public function onPluginsInitialized()
{
if ($this->isAdmin()) {
$this->active = false;
return;
}
/** @var Cache $cache */
$cache = $this->grav['cache'];
$validated_prefix = 'problem-check-';
$this->check = CACHE_DIR . $validated_prefix . $cache->getKey();
if (!file_exists($this->check)) {
// If no issues remain, save a state file in the cache
if (!$this->problemChecker()) {
// delete any existing validated files
foreach (new \GlobIterator(CACHE_DIR . $validated_prefix . '*') as $fileInfo) {
@unlink($fileInfo->getPathname());
}
// create a file in the cache dir so it only runs on cache changes
touch($this->check);
} else {
$this->renderProblems();
}
}
}
protected function renderProblems()
{
$theme = 'antimatter';
/** @var Uri $uri */
$uri = $this->grav['uri'];
$baseUrlRelative = $uri->rootUrl(false);
$themeUrl = $baseUrlRelative . '/' . USER_PATH . basename(THEMES_DIR) . '/' . $theme;
$problemsUrl = $baseUrlRelative . '/user/plugins/problems';
$html = file_get_contents(__DIR__ . '/html/problems.html');
/**
* Process the results, ignore the statuses passed as $ignore_status
*
* @param $results
* @param $ignore_status
*/
$processResults = function ($results, $ignore_status) {
$problems = '';
foreach ($results as $key => $result) {
if ($key == 'files' || $key == 'apache' || $key == 'execute') {
foreach ($result as $key_text => $value_text) {
foreach ($value_text as $status => $text) {
if ($status == $ignore_status) continue;
$problems .= $this->getListRow($status, '<b>' . $key_text . '</b> ' . $text);
}
}
} else {
foreach ($result as $status => $text) {
if ($status == $ignore_status) continue;
$problems .= $this->getListRow($status, $text);
}
}
}
return $problems;
};
// First render the errors
$problems = $processResults($this->results, 'success');
// Then render the successful checks
$problems .= $processResults($this->results, 'error');
$html = str_replace('%%BASE_URL%%', $baseUrlRelative, $html);
$html = str_replace('%%THEME_URL%%', $themeUrl, $html);
$html = str_replace('%%PROBLEMS_URL%%', $problemsUrl, $html);
$html = str_replace('%%PROBLEMS%%', $problems, $html);
echo $html;
http_response_code(500);
exit();
}
protected function getListRow($status, $text)
{
if ($status == 'error') {
$icon = 'fa-times';
} elseif ($status == 'info') {
$icon = 'fa-info';
} else {
$icon = 'fa-check';
}
$output = "\n";
$output .= '<li class="' . $status . ' clearfix"><i class="fa fa-fw '. $icon . '"></i><p>'. $text . '</p></li>';
return $output;
}
protected function problemChecker()
{
$min_php_version = defined('GRAV_PHP_MIN') ? GRAV_PHP_MIN : '5.4.0';
$problems_found = false;
$essential_files = [
'cache' => true,
'logs' => true,
'images' => true,
'assets' => true,
'system' => false,
'user/data' => true,
'user/pages' => false,
'user/config' => false,
'user/plugins/error' => false,
'user/plugins' => false,
'user/themes' => false,
'vendor' => false
];
if (version_compare(GRAV_VERSION, '0.9.27', ">=")) {
$essential_files['backup'] = true;
$backup_folder = ROOT_DIR . 'backup';
// try to create backup folder if missing
if (!file_exists($backup_folder)) {
@mkdir($backup_folder, 0770);
}
}
if (version_compare(GRAV_VERSION, '1.1.4', ">=")) {
$essential_files['tmp'] = true;
$tmp_folder = ROOT_DIR . 'tmp';
// try to create tmp folder if missing
if (!file_exists($tmp_folder)) {
@mkdir($tmp_folder, 0770);
}
}
// Perform some Apache checks
if (strpos(php_sapi_name(), 'apache') !== false) {
$require_apache_modules = ['mod_rewrite'];
$apache_modules = apache_get_modules();
$apache_status = [];
foreach ($require_apache_modules as $module) {
if (in_array($module, $apache_modules)) {
$apache_module_adjective = ' Apache module is enabled';
$apache_module_status = 'success';
} else {
$problems_found = true;
$apache_module_adjective = ' Apache module is not installed or enabled';
$apache_module_status = 'error';
}
$apache_status[$module] = [$apache_module_status => $apache_module_adjective];
}
if (sizeof($apache_status) > 0) {
$this->results['apache'] = $apache_status;
}
}
// Check PHP version
if (version_compare(phpversion(), $min_php_version, '<')) {
$problems_found = true;
$php_version_adjective = 'lower';
$php_version_status = 'error';
} else {
$php_version_adjective = 'greater';
$php_version_status = 'success';
}
$this->results['php'] = [$php_version_status => 'Your PHP version (' . phpversion() . ') is '. $php_version_adjective . ' than the minimum required: <b>' . $min_php_version . '</b> - <a href="http://getgrav.org/blog/changing-php-requirements-to-5.5">Additional Information</a>'];
// Check for GD library
if (defined('GD_VERSION') && function_exists('gd_info')) {
$gd_adjective = '';
$gd_status = 'success';
} else {
$problems_found = true;
$gd_adjective = 'not ';
$gd_status = 'error';
}
$this->results['gd'] = [$gd_status => 'PHP GD (Image Manipulation Library) is '. $gd_adjective . 'installed'];
// Check for PHP CURL library
if (function_exists('curl_version')) {
$curl_adjective = '';
$curl_status = 'success';
} else {
$problems_found = true;
$curl_adjective = 'not ';
$curl_status = 'error';
}
$this->results['curl'] = [$curl_status => 'PHP Curl (Data Transfer Library) is '. $curl_adjective . 'installed'];
// Check for PHP Open SSL library
if (extension_loaded('openssl') && defined('OPENSSL_VERSION_TEXT')) {
$ssl_adjective = '';
$ssl_status = 'success';
} else {
$problems_found = true;
$ssl_adjective = 'not ';
$ssl_status = 'error';
}
$this->results['ssl'] = [$ssl_status => 'PHP OpenSSL (Secure Sockets Library) is '. $ssl_adjective . 'installed'];
// Check for PHP XML library
if (extension_loaded('xml')) {
$xml_adjective = '';
$xml_status = 'success';
} else {
$problems_found = true;
$xml_adjective = 'not ';
$xml_status = 'error';
}
$this->results['xml'] = [$xml_status => 'PHP XML Library is '. $xml_adjective . 'installed'];
// Check for PHP MbString library
if (extension_loaded('mbstring')) {
$mbstring_adjective = '';
$mbstring_status = 'success';
} else {
$problems_found = true;
$mbstring_adjective = 'not ';
$mbstring_status = 'error';
}
$this->results['mbstring'] = [$mbstring_status => 'PHP Mbstring (Multibyte String Library) is '. $mbstring_adjective . 'installed'];
// Check Exif if enabled
if ($this->grav['config']->get('system.media.auto_metadata_exif')) {
if(extension_loaded('exif')) {
$exif_adjective = '';
$exif_status = 'success';
} else {
$problems_found = true;
$exif_adjective = 'not ';
$exif_status = 'error';
}
$this->results['exif'] = [$exif_status => 'PHP Exif (Exchangeable Image File Format) is '. $exif_adjective . 'installed'];
}
// Check for PHP Zip library
if (extension_loaded('zip')) {
$zip_adjective = '';
$zip_status = 'success';
} else {
$problems_found = true;
$zip_adjective = 'not ';
$zip_status = 'error';
}
$this->results['zip'] = [$zip_status => 'PHP Zip extension is '. $zip_adjective . 'installed'];
// Check for essential files & perms
$file_problems = [];
foreach ($essential_files as $file => $check_writable) {
$file_path = ROOT_DIR . $file;
$is_dir = false;
if (!file_exists($file_path)) {
$problems_found = true;
$file_status = 'error';
$file_adjective = 'does not exist';
} else {
$file_status = 'success';
$file_adjective = 'exists';
$is_writeable = is_writable($file_path);
$is_dir = is_dir($file_path);
if ($check_writable) {
if (!$is_writeable) {
$file_status = 'error';
$problems_found = true;
$file_adjective .= ' but is <b class="underline">not writeable</b>';
} else {
$file_adjective .= ' and <b class="underline">is writeable</b>';
}
}
}
$file_problems[$file_path] = [$file_status => $file_adjective];
}
if (sizeof($file_problems) > 0) {
$this->results['files'] = $file_problems;
}
return $problems_found;
}
}