1+ using System ;
2+ using System . IO ;
3+ using System . Runtime . InteropServices ;
4+ using System . Security . AccessControl ;
5+
6+ namespace GetUsernameValue
7+ {
8+ class GetUsername ( )
9+ {
10+ // Import the required Win32 API functions
11+ [ DllImport ( "advapi32.dll" , SetLastError = true ) ]
12+ public static extern bool GetUserName ( System . Text . StringBuilder lpBuffer , ref int lpLength ) ;
13+
14+ static void Main ( string [ ] args )
15+ {
16+ // Get all drives on the system
17+ DriveInfo [ ] drives = DriveInfo . GetDrives ( ) ;
18+
19+ foreach ( DriveInfo drive in drives )
20+ {
21+ Console . WriteLine ( $ "Watching drive: { drive . Name } ") ;
22+ SetupWatcher ( drive . Name ) ;
23+ }
24+
25+ // Exit the GetUserName Application
26+ Console . WriteLine ( "Press 'q' to quit the application." ) ;
27+ while ( Console . ReadKey ( ) . Key != ConsoleKey . Q ) ;
28+ }
29+
30+ static void SetupWatcher ( string directoryPath )
31+ {
32+ FileSystemWatcher watcher = new FileSystemWatcher ( directoryPath ) ;
33+
34+ watcher . Filter = "*.log" ;
35+ watcher . IncludeSubdirectories = true ;
36+
37+ watcher . Changed += OnChanged ;
38+ watcher . Created += OnChanged ;
39+ watcher . Deleted += OnChanged ;
40+ watcher . Renamed += OnRenamed ;
41+
42+ try
43+ {
44+ watcher . EnableRaisingEvents = true ;
45+ }
46+ catch ( Exception ex )
47+ {
48+ Console . WriteLine ( $ "Error: { ex . Message } ") ;
49+ }
50+ }
51+ private static void OnChanged ( object sender , FileSystemEventArgs e )
52+ {
53+ Console . WriteLine ( $ "File: { e . FullPath } { e . ChangeType } at { DateTime . Now } ") ;
54+
55+ try
56+ {
57+ // Get the Group who changed the file
58+ string username = GetFileUsername ( e . FullPath ) ;
59+ Console . WriteLine ( $ "User: { username } ") ;
60+ }
61+ catch ( Exception ex )
62+ {
63+ Console . WriteLine ( $ "Error: { ex . Message } ") ;
64+ }
65+ try
66+ {
67+ // Get the user who changed the file
68+ string user = Environment . UserName ;
69+ Console . WriteLine ( $ "User: { user } { e . ChangeType } ") ;
70+ }
71+ catch ( Exception ex )
72+ {
73+ Console . WriteLine ( $ "Error: { ex . Message } ") ;
74+ }
75+ }
76+
77+ private static void OnRenamed ( object sender , RenamedEventArgs e )
78+ {
79+ Console . WriteLine ( $ "File: { e . OldFullPath } renamed to { e . FullPath } at { DateTime . Now } ") ;
80+
81+ try
82+ {
83+ // Get the Group who changed the file
84+ string username = GetFileUsername ( e . FullPath ) ;
85+ Console . WriteLine ( $ "User: { username } ") ;
86+ }
87+ catch ( Exception ex )
88+ {
89+ Console . WriteLine ( $ "Error: { ex . Message } ") ;
90+ }
91+ try
92+ {
93+ // Get the user who changed the file
94+ string user = Environment . UserName ;
95+ Console . WriteLine ( $ "User: { user } renamed a file.") ;
96+ }
97+ catch ( Exception ex )
98+ {
99+ Console . WriteLine ( $ "Error: { ex . Message } ") ;
100+ }
101+ }
102+
103+ // Function to get the username of the user who changed the file
104+ private static string GetFileUsername ( string filePath )
105+ {
106+ // Get the security information of the file
107+ FileInfo fileInfo = new FileInfo ( filePath ) ;
108+ FileSecurity fileSecurity = fileInfo . GetAccessControl ( ) ;
109+
110+ // Get the owner of the file
111+ string owner = fileSecurity . GetOwner ( typeof ( System . Security . Principal . NTAccount ) ) . ToString ( ) ;
112+
113+ // Extract the username
114+ string [ ] split = owner . Split ( '\\ ' ) ;
115+ string username = split [ 1 ] ;
116+ return username ;
117+ }
118+ }
119+ }
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