public SharpDiskCookieIdentity(User User)
: base("password")
{
this.AddClaims(new List<Claim>{
new Claim("userId", User.Id),
new Claim("userType", User.Authority.ToString())
});
}
/// <summary>
/// 新增群組成員
/// </summary>
/// <param name="User">使用者</param>
/// <param name="Database">資料庫</param>
public void AddMember(User User,SharpDiskDbContext Database)
{
if (IsMember(User, Database)) {
throw new ApiInvalidOperationException("重複成員");
}
UserGroup newdata = new Models.UserGroup() {
User = User,
Group = this
};
Database.UserGroup.Add(newdata);
Database.SaveChanges();
}
public JsonResult AddMembers(
Group target,
User user)
{
if (target.OwnerId != this.User.Id) {
throw new AuthorizeException("您必須是該群組的擁有者");
}
if (target.OwnerId == user.Id ||
target.IsMember(user, Database)) {
throw new ApiInvalidOperationException("重複加入的使用者");
}
target.AddMember(user, Database);
return new ApiResult();
}
public JsonResult GetUsesrRootFileNode(User target) {
return Info(target.GetRootFileNode(Database));
}
public JsonResult DeepSearch(
User target,
[FromQuery]string keyword = "",
[FromQuery]int index = 0,
[FromQuery]int length = 10,
[FromQuery]OrderTypes order = OrderTypes.DirFirst) {
if (target == null) target = this.User;
if (target.Id != this.User.Id) throw new AuthorizeException("深度搜尋僅限搜尋使用者自身");
var data = from t in Database.FileNode
where t.OwnerId == target.Id
select t;
if (order == OrderTypes.DirFirst) {
data = from t in data
orderby t.IsFile, t.Ext, t.Name
select t;
} else if (order == OrderTypes.FileFirst) {
data = from t in data
orderby t.IsFile, t.Ext descending, t.Name
select t;
}
var result = new ApiResult() {
Result = data.Skip(index).Take(length)
};
result.Type.Index = index;
result.Type.Length = length;
result.Type.Count = data.Count();
return result;
}
/// <summary>
/// 移除群組成員
/// </summary>
/// <param name="User"></param>
/// <param name="Database"></param>
public void RemoveMember(User User,SharpDiskDbContext Database)
{
if (OwnerId == User.Id) throw new ApiInvalidOperationException("目標不可為擁有者");
if (!IsMember(User, Database)) throw new ApiInvalidOperationException("目標必須為成員");
UserGroup data = new UserGroup() {
User = User,
Group = this
};
Database.UserGroup.Add(data);
Database.SaveChanges();
}
/// <summary>
/// 檢查使用者是否為成員
/// </summary>
/// <param name="User">使用者</param>
/// <param name="Database">資料庫</param>
/// <returns></returns>
public bool IsMember(User User,SharpDiskDbContext Database)
{
return User.Id == OwnerId || (from t in Database.UserGroup
where t.UserId == User.Id && t.GroupId == this.Id
select t).Count() > 0;
}
[Authorize("AdminOnly")]//僅管理員擁有權限
public JsonResult AddUser(
[FromForm]string id,
[FromForm]string password = "******",
[FromForm]UserAuthority authority = UserAuthority.User,
[FromForm]long spaceSize = 0) {
if (string.IsNullOrWhiteSpace(id)) {
throw new ApiArgumentException($"參數{nameof(id)}不該為空字串或null");
}
User newUser = new User() {
Id = id,
Authority = UserAuthority.User,
Name = id,
SpaceSize = spaceSize == -1 ? null : (long?)spaceSize
};
if (newUser.Authority == UserAuthority.Admin) newUser.SpaceSize = null;
newUser.SetPassword(password);
Database.User.Add(newUser);
var rootNode = new FileNode() { Owner = newUser, Name = id };
Database.FileNode.Add(rootNode);
Database.SaveChanges();
return new ApiResult() {
Result = newUser
};
}
public JsonResult GetUser(User target) {
if (target == null) throw new ApiArgumentException($"{nameof(target)}不應該為null");
return new ApiResult() {
Result = target
};
}
[Authorize("AdminOnly")]//僅管理員擁有權限
public JsonResult DeleteUser(User target) {
if(target.Id.ToLower() == "admin" || target.Id == User.Id) {
throw new ApiInvalidOperationException($"目標使用者不能為admin或目前使用者");
}
target.Delete(Database);
return new ApiResult() { };
}
public JsonResult Put(
User target,
[FromForm]string name=null,
[FromForm]string password = null,
[FromForm]UserAuthority? authority = null,
[FromForm]long? spaceSize = null) {
if (target == null) target = User;
if (User.Authority != UserAuthority.Admin && target != User) {
throw new AuthorizeException("必須為管理員才可針對其餘使用者資料變更");
}
if(User.Authority == UserAuthority.Admin) {
if (authority.HasValue) target.Authority = authority.Value;
if (spaceSize.HasValue) target.SpaceSize = spaceSize.Value == -1 ? null : spaceSize;
}
if (name != null) target.Name = name;
if (password != null) target.SetPassword(password);
Database.SaveChanges();
return new ApiResult() {
Result = target
};
}
/// <summary>
/// 確認指定的使用者擁有寫入權限
/// </summary>
/// <param name="User">使用者</param>
/// <param name="Database">資料庫</param>
/// <returns></returns>
public bool HasWriteAuthority(User User, SharpDiskDbContext Database) {
if (this.OwnerId == User?.Id) return true;//如果為擁有者則可
if (this.GroupId != null &&//如果非擁有者但為群組成員且可Write則可
(from t in Database.UserGroup
where t.GroupId == this.GroupId && t.UserId == User.Id
select t).Count() > 0 &&
this.GroupAuthority == FileNodeAuthority.Write ||
this.GroupAuthority == FileNodeAuthority.ReadAndWrite) {
return true;
}
if (//可匿名Write
this.GroupAuthority == FileNodeAuthority.Write ||
this.GroupAuthority == FileNodeAuthority.ReadAndWrite) {
return true;
}
return false;
}
public string GetAndCreateDirZipFileRealPath(User User, SharpDiskDbContext Database) {
if (this.IsFile) throw new InvalidOperationException();
Guid FileId = Guid.NewGuid();
using (FileStream fs = new FileStream(Startup.FilesDirPath + "Zip/" + FileId + ".zip", FileMode.Create)) {
using (ZipArchive arch = new ZipArchive(fs, ZipArchiveMode.Create)) {
Func<FileNode, string, Task> func = null;
func = async(FileNode dirFileNode , string path) => {
var child = dirFileNode.GetChildren(Database).ToList()//篩選可讀取的子系
.Where(x => x.HasReadAuthority(User, Database));
foreach (var node in child.Where(x => x.IsFile)) {
arch.CreateEntryFromFile(
node.GetRealFilePath(),
path + dirFileNode.Name + "/" + node.FullName);
}
foreach (var node in child.Where(x => !x.IsFile)) {
await func(node,path + dirFileNode.Name + "/");
}
};
func(this,"");
}
}
return Startup.FilesDirPath + "Zip/" + FileId + ".zip";
}
public JsonResult GetOwnList(
User target = null,
[FromQuery]string keyword = "",
[FromQuery]int index = 0,
[FromQuery]int length = 10)
{
if (target == null) target = User;
if (User.Authority != UserAuthority.Admin && target.Id != User.Id) {
throw new AuthorizeException("僅管理者可查看其餘使用者群組");
}
keyword = keyword.Trim();
var data = from t in Database.Group
where t.OwnerId == target.Id && t.Name.Contains(keyword)
orderby t.Name
select t;
var result = new ApiResult() {
Result = data.Skip(index).Take(length)
};
result.Type.Index = index;
result.Type.Length = length;
result.Type.Count = data.Count();
return result;
}
public JsonResult Delete(Group target, User user)
{
if (target.OwnerId != this.User.Id && !target.IsMember(user, Database)) {
throw new AuthorizeException("您必須是該群組的擁有者");
}
target.RemoveMember(user, Database);
return new ApiResult();
}