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