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BookStack/app/helpers.php
2021-07-03 12:02:13 +01:00

180 lines
4.5 KiB
PHP

<?php
use BookStack\Auth\Permissions\PermissionService;
use BookStack\Auth\User;
use BookStack\Model;
use BookStack\Settings\SettingService;
/**
* Get the path to a versioned file.
*
* @throws Exception
*/
function versioned_asset(string $file = ''): string
{
static $version = null;
if (is_null($version)) {
$versionFile = base_path('version');
$version = trim(file_get_contents($versionFile));
}
$additional = '';
if (config('app.env') === 'development') {
$additional = sha1_file(public_path($file));
}
$path = $file . '?version=' . urlencode($version) . $additional;
return url($path);
}
/**
* Helper method to get the current User.
* Defaults to public 'Guest' user if not logged in.
*/
function user(): User
{
return auth()->user() ?: User::getDefault();
}
/**
* Check if current user is a signed in user.
*/
function signedInUser(): bool
{
return auth()->user() && !auth()->user()->isDefault();
}
/**
* Check if the current user has general access.
*/
function hasAppAccess(): bool
{
return !auth()->guest() || setting('app-public');
}
/**
* Check if the current user has a permission. If an ownable element
* is passed in the jointPermissions are checked against that particular item.
*/
function userCan(string $permission, Model $ownable = null): bool
{
if ($ownable === null) {
return user() && user()->can($permission);
}
// Check permission on ownable item
$permissionService = app(PermissionService::class);
return $permissionService->checkOwnableUserAccess($ownable, $permission);
}
/**
* Check if the current user has the given permission
* on any item in the system.
*/
function userCanOnAny(string $permission, string $entityClass = null): bool
{
$permissionService = app(PermissionService::class);
return $permissionService->checkUserHasPermissionOnAnything($permission, $entityClass);
}
/**
* Helper to access system settings.
*
* @return mixed|SettingService
*/
function setting(string $key = null, $default = null)
{
$settingService = resolve(SettingService::class);
if (is_null($key)) {
return $settingService;
}
return $settingService->get($key, $default);
}
/**
* Get a path to a theme resource.
* Returns null if a theme is not configured and
* therefore a full path is not available for use.
*/
function theme_path(string $path = ''): ?string
{
$theme = config('view.theme');
if (!$theme) {
return null;
}
return base_path('themes/' . $theme . ($path ? DIRECTORY_SEPARATOR . $path : $path));
}
/**
* Get fetch an SVG icon as a string.
* Checks for icons defined within a custom theme before defaulting back
* to the 'resources/assets/icons' folder.
*
* Returns an empty string if icon file not found.
*/
function icon(string $name, array $attrs = []): string
{
$attrs = array_merge([
'class' => 'svg-icon',
'data-icon' => $name,
'role' => 'presentation',
], $attrs);
$attrString = ' ';
foreach ($attrs as $attrName => $attr) {
$attrString .= $attrName . '="' . $attr . '" ';
}
$iconPath = resource_path('icons/' . $name . '.svg');
$themeIconPath = theme_path('icons/' . $name . '.svg');
if ($themeIconPath && file_exists($themeIconPath)) {
$iconPath = $themeIconPath;
} elseif (!file_exists($iconPath)) {
return '';
}
$fileContents = file_get_contents($iconPath);
return str_replace('<svg', '<svg' . $attrString, $fileContents);
}
/**
* Generate a url with multiple parameters for sorting purposes.
* Works out the logic to set the correct sorting direction
* Discards empty parameters and allows overriding.
*/
function sortUrl(string $path, array $data, array $overrideData = []): string
{
$queryStringSections = [];
$queryData = array_merge($data, $overrideData);
// Change sorting direction is already sorted on current attribute
if (isset($overrideData['sort']) && $overrideData['sort'] === $data['sort']) {
$queryData['order'] = ($data['order'] === 'asc') ? 'desc' : 'asc';
} elseif (isset($overrideData['sort'])) {
$queryData['order'] = 'asc';
}
foreach ($queryData as $name => $value) {
$trimmedVal = trim($value);
if ($trimmedVal === '') {
continue;
}
$queryStringSections[] = urlencode($name) . '=' . urlencode($trimmedVal);
}
if (count($queryStringSections) === 0) {
return $path;
}
return url($path . '?' . implode('&', $queryStringSections));
}