/// <summary>
/// Changing an access record for our DB
/// </summary>
/// <param name="_user"></param>
/// <param name="_new_level"></param>
public void ChangeAccess( User.User _user,
Access.AccessLevel _new_level )
{
foreach ( var ac in accesses ) {
if ( ac.User.Credentials.Login == _user.Credentials.Login ) {
ac.SetLevel(_new_level);
ac.Save();
} else
this.AddAccess( _user, _new_level );
}
}
/// <summary>
/// Reading an access file to an array of "Access" objects
/// </summary>
/// <param name="dwarf_obj">An object, for which we need to get a set of accesses</param>
/// <param name="_user"></param>
/// <returns></returns>
public static Access[] ReadAccessFile( object dwarf_obj, User.User _user )
{
var ret = new Access[0];
var acc_filepath = GetAccessFilePath( dwarf_obj );
if ( !File.Exists( acc_filepath ) ) {
CreateAccessFile(acc_filepath);
}
string contents = String.Empty;
using ( var fs = new FileStream( acc_filepath, FileMode.Open, FileAccess.Read ) ) {
var sr = new StreamReader( fs );
contents = sr.ReadToEnd();
sr.Close();
}
var contents_splitted = contents.Replace("\r",String.Empty).Split('\n');
foreach ( var strg in contents_splitted ) {
var tmp = strg.Split(':');
if ( tmp.Length == 2 ) {
Access.AccessLevel al = Access.AccessLevel.DENIED;
switch ( tmp[1] ) {
case "ADMIN":
al = Access.AccessLevel.ADMIN;
break;
case "READ_ONLY":
al = Access.AccessLevel.READ_ONLY;
break;
case "READ_WRITE":
al = Access.AccessLevel.READ_WRITE_DROP;
break;
case "READ_WRITE_DROP":
al = Access.AccessLevel.READ_WRITE_DROP;
break;
}
var ret_acc = Access.Instance( _user, al, dwarf_obj );
Array.Resize(ref ret, ret.Length+1);
ret[ret.Length-1] = ret_acc;
}
}
return ret;
}
private static bool CheckLevel( object dwarf_obj, Access.AccessLevel level, User.User user )
{
if ( dwarf_obj != null ) {
var chk_lvl = Access.AccessLevel.DENIED;
if ( dwarf_obj is DataContainer ) {
var obj = ( dwarf_obj as DataContainer );
chk_lvl = obj.GetLevel( user );
} else if ( dwarf_obj is DataBase ) {
var obj = ( dwarf_obj as DataBase );
chk_lvl = obj.GetLevel( user );
} else
return false;
return chk_lvl == level;
} else
throw new AccessException( " dwarf_obj is NULL in CheckAccess.CheckLevel!!! " );
}
/// <summary>
/// Changing an access record for our DB
/// </summary>
/// <param name="_user">User</param>
/// <param name="_new_level">Required access level</param>
public void ChangeAccess(User.User _user,
Access.AccessLevel _new_level)
{
local_am.ChangeAccess(_user, _new_level);
}
/// <summary>
/// Adding a new access record for our DB
/// </summary>
/// <param name="_user"></param>
/// <param name="_level"></param>
public void AddAccess(User.User _user,
Access.AccessLevel _level)
{
local_am.AddAccess(_user, _level);
// If we're setting admin rights => we need to set it on all of
// DCs under this DB
UpdateDataContainers();
if (_level == Access.AccessLevel.ADMIN)
{
foreach (DataContainer dc in inner_dc_dict.Values)
{
dc.AddAccess(_user, _level);
}
}
}
public void Save( Access _acc )
{
CreateAccessFile();
using ( var fs = new FileStream( filepath, FileMode.Append, FileAccess.Write ) ) {
var sw = new StreamWriter( fs );
sw.WriteLine( _acc.User.Credentials.Login + ":" +_acc.Level );
sw.Close();
}
}
/// <summary>
/// Adding a new access record for our DataStructure
/// </summary>
/// <param name="_user"></param>
/// <param name="_level"></param>
public void AddAccess( User.User _user,
Access.AccessLevel _level )
{
var t = Access.Instance( _user, _level, acc_object );
accesses.Add(t);
}
/// <summary>
/// Getting an instance for given user, level and object
/// </summary>
/// <param name="_user"></param>
/// <param name="_level"></param>
/// <param name="_object"></param>
/// <returns></returns>
public static Access Instance( User.User _user, AccessLevel _level, Object _object )
{
// Let's look in our array. Do we already have a such object?
foreach ( var al in instances ) {
if ( al.User.Credentials.Login == _user.Credentials.Login &&
al.Level == _level &&
al.AccessObject == _object ) {
return al;
}
}
// If we don't have => let's create a new Access instance and add it to our array
var new_acc = new Access( _user, _level, _object );
instances.Add( new_acc );
new_acc.Save();
return new_acc;
}
