C# Permission.ToString方法代码示例

 public static string GetPermissionString(Permission permission)
 {
     string result = null;
     if (permission == Permission.Security)
         result = "Security";
     else if (permission == Permission.Data)
         result = "Data";
     else result = permission.ToString();
     return result;
 }

 /// <summary>
 /// PermissionStorageView constructor.
 /// </summary>
 /// <param name="perm"></param>
 public PermissionStorageView(Permission perm)
 {
     m_prmId = (Int32)perm;
     m_prmname = perm.ToString();
 }

 /// <summary>
 /// PermissionStorageView constructor.
 /// </summary>
 /// <param name="perm"></param>
 public PermissionStorageView(Permission perm)
 {
     _permissionId = (int)perm;
     _permissionName = perm.ToString();
 }

        void myMenuItemCreatePermission_Click(object sender, EventArgs e)
        {
            Permission permission = new Permission();
            permission.Id = "Here is your permission Id";
            permission.PermissionMode = PermissionMode.Read;
            permission.ResourceLink = "your resource link";

            string x = permission.ToString();

            Program.GetMain().SetCrudContext(this, OperationType.Create, ResourceType.Permission, x, this.CreatePermissionAsync);
        }

 public bool IsAuthorized(IPrincipal user, Permission permission)
 {
     return user.Identity.Name == permission.ToString();
 }

        //-----------------------------------------------------------------------------------------------
        /// <summary>
        /// Check if the permission was set
        /// 
        /// </summary>
        /// <param name="sc"></param>
        /// <param name="perm"></param>
        protected void EnsurePermission(SecurityCredentials sc, Permission perm)
        {
            bool result = ManagerStorageFactory.ManagerStorage().CheckPermission(sc, perm);

            if (!result)
            {
                logger.Debug("User"+sc.Username+" doesnt have permission "+perm.ToString());
                throw new AuthorizationException(
                    string.Format("User '{0}' is not associated with permission '{1}'", sc.Username, perm.ToString()),
                    null
                    );
            }
        }

 public string Authenticate(Permission permission)
 {
     return (this as IAuthRepository).CreateAuthTokenIfNecessary(permission.ToString(), true).Id;
 }

 /// <summary>
 /// Inserts a userdocument in the database
 /// </summary>
 /// <param name="user">user "end" of userdocument relation</param>
 /// <param name="docID">document "end" of userdocument relation</param>
 /// <param name="permission">relation type, what level of authentication the user has to the specified document</param>
 public void InsertUserDocument(User user, int docID, Permission.Permissions permission)
 {
     string query = "INSERT INTO userdocument (userID, documentID, permission) VALUES('" + user.id + "', '" + docID + "', '" + permission.ToString() +"')";
     ExecuteQuery(query);
 }

        public Task<PermissionStatus> ObtainPermissionAsync(Permission permission)
        {
            return Task.Run(async () =>
                {
                    string rationale = null;
                    if (permission == Permission.Camera)
                        rationale = "Sensus uses the camera to scan participation barcodes. Sensus will not record images or video.";
                    else if (permission == Permission.Location)
                        rationale = "Sensus uses GPS to collect location information for studies you have enrolled in.";
                    else if (permission == Permission.Microphone)
                        rationale = "Sensus uses the microphone to collect sound level information for studies you have enrolled in. Sensus will not record audio.";
                    else if (permission == Permission.Phone)
                        rationale = "Sensus monitors telephone call metadata for studies you have enrolled in. Sensus will not record audio from calls.";
                    else if (permission == Permission.Sensors)
                        rationale = "Sensus uses movement sensors to collect various types of information for studies you have enrolled in.";
                    else if (permission == Permission.Storage)
                        rationale = "Sensus must be able to write to your device's storage for proper operation. Please grant this permission.";
            
                    if (await CrossPermissions.Current.CheckPermissionStatusAsync(permission) == PermissionStatus.Granted)
                        return PermissionStatus.Granted;
                    else
                    {
                        // the Permissions plugin requires a main activity to be present on android. ensure this below.
                        BringToForeground();

                        if (rationale != null && await CrossPermissions.Current.ShouldShowRequestPermissionRationaleAsync(permission))
                        {
                            ManualResetEvent rationaleDialogWait = new ManualResetEvent(false);

                            Device.BeginInvokeOnMainThread(async () =>
                                {
                                    await (App.Current as App).ProtocolsPage.DisplayAlert("Permission Request", "On the next screen, Sensus will request access to your device's " + permission.ToString().ToUpper() + ". " + rationale, "OK");
                                    rationaleDialogWait.Set();
                                });

                            rationaleDialogWait.WaitOne();
                        }

                        return (await CrossPermissions.Current.RequestPermissionsAsync(new Permission[] { permission }))[permission];
                    }
                });
        }

 public static bool HasPermission(this IPrincipal principal, Permission permission)
 {
     return principal.IsInRole(permission.ToString());
 }