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<?php
if ( !class_exists('Puc_v4p6_DebugBar_Extension', false) ):
class Puc_v4p6_DebugBar_Extension {
const RESPONSE_BODY_LENGTH_LIMIT = 4000;
/** @var Puc_v4p6_UpdateChecker */
protected $updateChecker;
protected $panelClass = 'Puc_v4p6_DebugBar_Panel';
public function __construct($updateChecker, $panelClass = null) {
$this->updateChecker = $updateChecker;
if ( isset($panelClass) ) {
$this->panelClass = $panelClass;
}
add_filter('debug_bar_panels', array($this, 'addDebugBarPanel'));
add_action('debug_bar_enqueue_scripts', array($this, 'enqueuePanelDependencies'));
add_action('wp_ajax_puc_v4_debug_check_now', array($this, 'ajaxCheckNow'));
}
/**
* Register the PUC Debug Bar panel.
*
* @param array $panels
* @return array
*/
public function addDebugBarPanel($panels) {
if ( $this->updateChecker->userCanInstallUpdates() ) {
$panels[] = new $this->panelClass($this->updateChecker);
}
return $panels;
}
/**
* Enqueue our Debug Bar scripts and styles.
*/
public function enqueuePanelDependencies() {
wp_enqueue_style(
'puc-debug-bar-style-v4',
$this->getLibraryUrl("/css/puc-debug-bar.css"),
array('debug-bar'),
'20171124'
);
wp_enqueue_script(
'puc-debug-bar-js-v4',
$this->getLibraryUrl("/js/debug-bar.js"),
array('jquery'),
'20170516'
);
}
/**
* Run an update check and output the result. Useful for making sure that
* the update checking process works as expected.
*/
public function ajaxCheckNow() {
if ( $_POST['uid'] !== $this->updateChecker->getUniqueName('uid') ) {
return;
}
$this->preAjaxRequest();
$update = $this->updateChecker->checkForUpdates();
if ( $update !== null ) {
echo "An update is available:";
echo '<pre>', htmlentities(print_r($update, true)), '</pre>';
} else {
echo 'No updates found.';
}
$errors = $this->updateChecker->getLastRequestApiErrors();
if ( !empty($errors) ) {
printf('<p>The update checker encountered %d API error%s.</p>', count($errors), (count($errors) > 1) ? 's' : '');
foreach (array_values($errors) as $num => $item) {
$wpError = $item['error'];
/** @var WP_Error $wpError */
printf('<h4>%d) %s</h4>', $num + 1, esc_html($wpError->get_error_message()));
echo '<dl>';
printf('<dt>Error code:</dt><dd><code>%s</code></dd>', esc_html($wpError->get_error_code()));
if ( isset($item['url']) ) {
printf('<dt>Requested URL:</dt><dd><code>%s</code></dd>', esc_html($item['url']));
}
if ( isset($item['httpResponse']) ) {
if ( is_wp_error($item['httpResponse']) ) {
$httpError = $item['httpResponse'];
/** @var WP_Error $httpError */
printf(
'<dt>WordPress HTTP API error:</dt><dd>%s (<code>%s</code>)</dd>',
esc_html($httpError->get_error_message()),
esc_html($httpError->get_error_code())
);
} else {
//Status code.
printf(
'<dt>HTTP status:</dt><dd><code>%d %s</code></dd>',
wp_remote_retrieve_response_code($item['httpResponse']),
wp_remote_retrieve_response_message($item['httpResponse'])
);
//Headers.
echo '<dt>Response headers:</dt><dd><pre>';
foreach (wp_remote_retrieve_headers($item['httpResponse']) as $name => $value) {
printf("%s: %s\n", esc_html($name), esc_html($value));
}
echo '</pre></dd>';
//Body.
$body = wp_remote_retrieve_body($item['httpResponse']);
if ( $body === '' ) {
$body = '(Empty response.)';
} else if ( strlen($body) > self::RESPONSE_BODY_LENGTH_LIMIT ) {
$length = strlen($body);
$body = substr($body, 0, self::RESPONSE_BODY_LENGTH_LIMIT)
. sprintf("\n(Long string truncated. Total length: %d bytes.)", $length);
}
printf('<dt>Response body:</dt><dd><pre>%s</pre></dd>', esc_html($body));
}
}
echo '<dl>';
}
}
exit;
}
/**
* Check access permissions and enable error display (for debugging).
*/
protected function preAjaxRequest() {
if ( !$this->updateChecker->userCanInstallUpdates() ) {
die('Access denied');
}
check_ajax_referer('puc-ajax');
error_reporting(E_ALL);
@ini_set('display_errors', 'On');
}
/**
* @param string $filePath
* @return string
*/
private function getLibraryUrl($filePath) {
$absolutePath = realpath(dirname(__FILE__) . '/../../../' . ltrim($filePath, '/'));
//Where is the library located inside the WordPress directory structure?
$absolutePath = Puc_v4p6_Factory::normalizePath($absolutePath);
$pluginDir = Puc_v4p6_Factory::normalizePath(WP_PLUGIN_DIR);
$muPluginDir = Puc_v4p6_Factory::normalizePath(WPMU_PLUGIN_DIR);
$themeDir = Puc_v4p6_Factory::normalizePath(get_theme_root());
if ( (strpos($absolutePath, $pluginDir) === 0) || (strpos($absolutePath, $muPluginDir) === 0) ) {
//It's part of a plugin.
return plugins_url(basename($absolutePath), $absolutePath);
} else if ( strpos($absolutePath, $themeDir) === 0 ) {
//It's part of a theme.
$relativePath = substr($absolutePath, strlen($themeDir) + 1);
$template = substr($relativePath, 0, strpos($relativePath, '/'));
$baseUrl = get_theme_root_uri($template);
if ( !empty($baseUrl) && $relativePath ) {
return $baseUrl . '/' . $relativePath;
}
}
return '';
}
}
endif;