praiadeseselle/wire/core/admin.php
2022-03-08 15:55:41 +01:00

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<?php namespace ProcessWire;
/**
* Controller for ProcessWire Admin
*
* This file is designed for inclusion by /site/templates/admin.php template and all the variables
* it references are from your template namespace.
*
* Copyright 2021 by Ryan Cramer
*
* @var Config $config
* @var User $user
* @var Modules $modules
* @var Pages $pages
* @var Page $page
* @var ProcessWire $wire
* @var WireInput $input
* @var Sanitizer $sanitizer
* @var Session $session
* @var Notices $notices
* @var AdminTheme $adminTheme
*
*
*/
if(!defined("PROCESSWIRE")) die("This file may not be accessed directly.");
header("X-Frame-Options: SAMEORIGIN");
/**
* Ensures a modal GET variable is retained through redirects, when appropriate
*
* @param HookEvent $event
*
*/
function _hookSessionRedirectModal(HookEvent $event) {
$url = $event->arguments(0);
if(strpos($url, 'modal=1') === false && strpos($url, '://') === false) {
$url .= (strpos($url, '?') === false ? '?' : '&') . 'modal=1';
$event->arguments(0, $url);
}
}
/**
* Check if the current HTTP host is recognized and generate error if not
*
* @param Config $config
*
*/
function _checkForHttpHostError(Config $config) {
$valid = false;
$httpHost = strtolower($config->httpHost);
if(isset($_SERVER['HTTP_HOST']) && $httpHost === strtolower($_SERVER['HTTP_HOST'])) {
$valid = true;
} else if(isset($_SERVER['SERVER_NAME']) && $httpHost === strtolower($_SERVER['SERVER_NAME'])) {
$valid = true;
} else if(in_array($httpHost, $config->httpHosts)) {
$valid = true;
}
if(!$valid) $config->error(
__('Unrecognized HTTP host:') . "'" .
htmlentities($_SERVER['HTTP_HOST'], ENT_QUOTES, 'UTF-8') . "' - " .
__('Please update your $config->httpHosts setting in /site/config.php') . " - " .
"<a target='_blank' href='https://processwire.com/api/variables/config/#httphosts'>" . __('read more') . "</a>",
Notice::allowMarkup
);
}
/**
* Check if two factor authentication is being required and display warning with link to configure
*
* @param Session $session
*
*/
function _checkForTwoFactorAuth(Session $session) {
$tfaUrl = $session->getFor('_user', 'requireTfa'); // contains URL to configure TFA
if(!$tfaUrl || strpos($tfaUrl, $session->wire('page')->url()) === 0) return;
$sanitizer = $session->wire('sanitizer');
$session->wire('user')->warning(
'<strong>' . $sanitizer->entities1(__('Action required')) . '</strong> ' .
wireIconMarkup('angle-right') . ' ' .
"<a href='$tfaUrl'>" . $sanitizer->entities1(__('Enable two-factor authentication')) . " </a>",
Notice::allowMarkup
);
}
/**
* Check if POST request exceeds PHPs max_input_vars
*
* @param WireInput $input
*
*/
function _checkForMaxInputVars(WireInput $input) {
$max = (int) ini_get('max_input_vars');
if($max && count($_POST) >= $max) {
$input->error(sprintf(__('You have reached PHPs “max_input_vars” setting of %d — please increase it.'), $max));
}
}
// fallback theme if one not already present
if(empty($adminTheme)) {
$adminTheme = $modules->get($config->defaultAdminTheme ? $config->defaultAdminTheme : 'AdminThemeUikit');
if(empty($adminTheme)) $adminTheme = $modules->get('AdminThemeUikit');
if($adminTheme) $wire->wire('adminTheme', $adminTheme);
}
// notify superuser if there is an http host error
if($user->isSuperuser()) _checkForHttpHostError($config);
// ensure core jQuery modules are loaded before others
$modules->get("JqueryCore");
$modules->get("JqueryUI");
// tell ProcessWire that any pages loaded from this point forward should have their outputFormatting turned off
$pages->setOutputFormatting(false);
// setup breadcrumbs to current page, and the Process may modify, add to or replace them as needed
$breadcrumbs = $wire->wire('breadcrumbs', new Breadcrumbs());
foreach($page->parents() as $p) {
if($p->id > 1) $breadcrumbs->add(new Breadcrumb($p->url, $p->get("title|name")));
}
$controller = null;
$content = '';
$ajax = $config->ajax;
$modal = $input->get('modal') ? true : false;
$demo = $config->demo;
// enable modules to output their own ajax responses if they choose to
if($ajax) ob_start();
if($page->process && $page->process != 'ProcessPageView') {
try {
if($demo && $page->process != 'ProcessLogin') {
if(count($_POST)) $wire->error("Features that use POST variables are disabled in this demo");
foreach($_POST as $k => $v) unset($_POST[$k]);
foreach($_FILES as $k => $v) unset($_FILES[$k]);
$input->post->removeAll();
} else if($input->requestMethod('POST') && $user->isLoggedin() && $user->hasPermission('page-edit')) {
_checkForMaxInputVars($input);
}
$controller = new ProcessController();
$wire->wire($controller);
$controller->setProcessName($page->process);
$initFile = $config->paths->adminTemplates . 'init.php';
if(is_file($initFile)) {
if(strpos($initFile, $config->paths->site) === 0) {
// admin themes in /site/modules/ may be compiled
$initFile = $wire->files->compile($initFile);
}
/** @noinspection PhpIncludeInspection */
include_once($initFile);
}
if($modal) $session->addHookBefore('redirect', null, '_hookSessionRedirectModal');
$content = $controller->execute();
$process = $controller->wire('process');
if(!$ajax && !$modal && !$demo && $user->isLoggedin()) _checkForTwoFactorAuth($session);
if($process) {} // ignore
} catch(Wire404Exception $e) {
$wire->setStatusFailed($e, "404 from $page->process", $page);
$wire->error($e->getMessage());
} catch(WirePermissionException $e) {
$wire->setStatusFailed($e, "Permission error from $page->process", $page);
if($controller && $controller->isAjax()) {
$content = $controller->jsonMessage($e->getMessage(), true);
} else if($user->isGuest()) {
/** @var Process $process */
$process = $modules->get("ProcessLogin");
$content = $process->execute();
} else {
$wire->error($e->getMessage());
}
} catch(\Exception $e) {
$wire->setStatusFailed($e, "Error from $page->process", $page);
$msg = $e->getMessage();
if($config->debug) {
$msg = $sanitizer->entities($msg);
$msg .= "<pre>\n" .
__('DEBUG MODE BACKTRACE') . " " .
"(\$config->debug == true):\n" .
$sanitizer->entities($e->getTraceAsString()) .
"</pre>";
$wire->error("$page->process: $msg", Notice::allowMarkup);
} else {
$wire->error($msg);
}
if($controller && $controller->isAjax()) {
$content = $controller->jsonMessage($e->getMessage(), true);
$wire->trackException($e, false);
} else {
$wire->trackException($e, true);
}
}
} else {
$content = '<p>' . __('This page has no process assigned.') . '</p>';
}
if($ajax) {
// enable modules to output their own ajax responses if they choose to
if(!$content) $content = ob_get_contents();
ob_end_clean();
}
// config properties that should be mirrored to ProcessWire.config.property in JS
$config->js(array('httpHost', 'httpHosts', 'https'), true);
if($controller && $controller->isAjax()) {
if(empty($content) && count($notices)) $content = $controller->jsonMessage($notices->last()->text);
echo $content;
} else {
if(!strlen($content)) $content = '<p>' . __('The process returned no content.') . '</p>';
if($adminTheme) {
$adminThemeFile = $adminTheme->path() . 'default.php';
} else {
$adminThemeFile = $config->paths->adminTemplates . 'default.php';
}
if(strpos($adminThemeFile, $config->paths->site) === 0) {
// @todo determine if compilation needed
$adminThemeFile = $wire->files->compile($adminThemeFile);
}
/** @noinspection PhpIncludeInspection */
require($adminThemeFile);
$session->removeNotices();
if($content) {} // ignore
}