X-Git-Url: http://source.bookstackapp.com/bookstack/blobdiff_plain/e9b596d3bc291f11996a338c2abeb1382da76ecf..refs/pull/236/head:/app/helpers.php

diff --git a/app/helpers.php b/app/helpers.php
index eab8ca1c8..b5be0fd11 100644
--- a/app/helpers.php
+++ b/app/helpers.php
@@ -1,64 +1,59 @@
 <?php
 
-if (!function_exists('versioned_asset')) {
-    /**
-     * Get the path to a versioned file.
-     *
-     * @param  string $file
-     * @return string
-     *
-     * @throws \InvalidArgumentException
-     */
-    function versioned_asset($file)
-    {
-        static $manifest = null;
-
-        if (is_null($manifest)) {
-            $manifest = json_decode(file_get_contents(public_path('build/manifest.json')), true);
-        }
-
-        if (isset($manifest[$file])) {
-            return '/' . $manifest[$file];
-        }
-
-        if (file_exists(public_path($file))) {
-            return '/' . $file;
-        }
-
-        throw new InvalidArgumentException("File {$file} not defined in asset manifest.");
+use BookStack\Ownable;
+
+/**
+ * Get the path to a versioned file.
+ *
+ * @param  string $file
+ * @return string
+ * @throws Exception
+ */
+function versioned_asset($file = '')
+{
+    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) . $additional;
+    return baseUrl($path);
+}
+
+/**
+ * Helper method to get the current User.
+ * Defaults to public 'Guest' user if not logged in.
+ * @return \BookStack\User
+ */
+function user()
+{
+    return auth()->user() ?: \BookStack\User::getDefault();
 }
 
 /**
  * Check if the current user has a permission.
- * If an ownable element is passed in the permissions are checked against
+ * If an ownable element is passed in the jointPermissions are checked against
  * that particular item.
  * @param $permission
- * @param \BookStack\Ownable $ownable
+ * @param Ownable $ownable
  * @return mixed
  */
-function userCan($permission, \BookStack\Ownable $ownable = null)
+function userCan($permission, Ownable $ownable = null)
 {
-    if (!auth()->check()) return false;
     if ($ownable === null) {
-        return auth()->user() && auth()->user()->can($permission);
+        return user() && user()->can($permission);
     }
 
     // Check permission on ownable item
-    $permissionBaseName = strtolower($permission) . '-';
-    $hasPermission = false;
-    if (auth()->user()->can($permissionBaseName . 'all')) $hasPermission = true;
-    if (auth()->user()->can($permissionBaseName . 'own') && $ownable->createdBy && $ownable->createdBy->id === auth()->user()->id) $hasPermission = true;
-
-    if (!$ownable instanceof \BookStack\Entity) return $hasPermission;
-
-    // Check restrictions on the entity
-    $restrictionService = app('BookStack\Services\RestrictionService');
-    $explodedPermission = explode('-', $permission);
-    $action = end($explodedPermission);
-    $hasAccess = $restrictionService->checkIfEntityRestricted($ownable, $action);
-    $restrictionsSet = $restrictionService->checkIfRestrictionsSet($ownable, $action);
-    return ($hasAccess && $restrictionsSet) || (!$restrictionsSet && $hasPermission);
+    $permissionService = app(\BookStack\Services\PermissionService::class);
+    return $permissionService->checkOwnableUserAccess($ownable, $permission);
 }
 
 /**
@@ -69,6 +64,86 @@ function userCan($permission, \BookStack\Ownable $ownable = null)
  */
 function setting($key, $default = false)
 {
-    $settingService = app('BookStack\Services\SettingService');
+    $settingService = app(\BookStack\Services\SettingService::class);
     return $settingService->get($key, $default);
 }
+
+/**
+ * Helper to create url's relative to the applications root path.
+ * @param string $path
+ * @param bool $forceAppDomain
+ * @return string
+ */
+function baseUrl($path, $forceAppDomain = false)
+{
+    $isFullUrl = strpos($path, 'http') === 0;
+    if ($isFullUrl && !$forceAppDomain) return $path;
+    $path = trim($path, '/');
+
+    // Remove non-specified domain if forced and we have a domain
+    if ($isFullUrl && $forceAppDomain) {
+        $explodedPath = explode('/', $path);
+        $path = implode('/', array_splice($explodedPath, 3));
+    }
+
+    // Return normal url path if not specified in config
+    if (config('app.url') === '') {
+        return url($path);
+    }
+
+    return rtrim(config('app.url'), '/') . '/' . $path;
+}
+
+/**
+ * Get an instance of the redirector.
+ * Overrides the default laravel redirect helper.
+ * Ensures it redirects even when the app is in a subdirectory.
+ *
+ * @param  string|null  $to
+ * @param  int     $status
+ * @param  array   $headers
+ * @param  bool    $secure
+ * @return \Illuminate\Routing\Redirector|\Illuminate\Http\RedirectResponse
+ */
+function redirect($to = null, $status = 302, $headers = [], $secure = null)
+{
+    if (is_null($to)) {
+        return app('redirect');
+    }
+
+    $to = baseUrl($to);
+
+    return app('redirect')->to($to, $status, $headers, $secure);
+}
+
+/**
+ * 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.
+ * @param $path
+ * @param array $data
+ * @param array $overrideData
+ * @return string
+ */
+function sortUrl($path, $data, $overrideData = [])
+{
+    $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';
+    } else {
+        $queryData['order'] = 'asc';
+    }
+
+    foreach ($queryData as $name => $value) {
+        $trimmedVal = trim($value);
+        if ($trimmedVal === '') continue;
+        $queryStringSections[] = urlencode($name) . '=' . urlencode($trimmedVal);
+    }
+
+    if (count($queryStringSections) === 0) return $path;
+
+    return baseUrl($path . '?' . implode('&', $queryStringSections));
+}