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Ignore whitespace Rev 50 → Rev 53

/SWAT Office App/trunk/SWAT Office App/Manage_User_Accounts.cs
6,50 → 6,83
using System.IO;
using System.Windows.Forms;
using System.Security.AccessControl;
using System.DirectoryServices.AccountManagement;
 
namespace SWAT_Office_App
{
class ManageUserAccounts
{
public static List<string> UserAccountsList = new List<string>();
private static string studentGroupName = "StudentAccounts";
public static List<UserPrincipal> UserAccountsList = new List<UserPrincipal>();
public static bool AddUser(string username, string password)
{
try
{
// Returns true if user was added successfully
foreach (string user in UserAccountsList)
PrincipalContext localSystem = new PrincipalContext(ContextType.Machine);
// Creates a new user after checking if it already exists or not
UserPrincipal newUser = new UserPrincipal(localSystem);
newUser.Name = username;
PrincipalSearcher searcher = new PrincipalSearcher(newUser);
Principal result = searcher.FindOne();
if (result == null)
{
if (username.ToLower() == user.ToLower())
newUser = new UserPrincipal(localSystem);
newUser.Name = username;
newUser.SetPassword(password);
newUser.PasswordNeverExpires = true;
newUser.PasswordNotRequired = false;
newUser.UserCannotChangePassword = true;
newUser.Description = DateTime.Now.ToShortDateString();
newUser.Save();
 
// Creates a new group after checking if it already exists or not
GroupPrincipal studentGroup = new GroupPrincipal(localSystem);
studentGroup.Name = studentGroupName;
searcher = new PrincipalSearcher(studentGroup);
result = searcher.FindOne();
// Creates group if it doesnt already exist
if (result == null)
{
MessageBox.Show("Username already exists", "Error");
return false;
studentGroup = new GroupPrincipal(localSystem, studentGroupName);
studentGroup.Name = studentGroupName;
studentGroup.IsSecurityGroup = true;
studentGroup.Members.Add(newUser);
studentGroup.Save();
}
// Otherwise add to existing group
else
{
studentGroup = (GroupPrincipal)result;
studentGroup.Members.Add(newUser);
studentGroup.Save();
}
DebugText.appendText("Account " + username + " has been created");
return true;
}
Process netProcess = new Process();
netProcess.StartInfo.WorkingDirectory = System.Environment.SystemDirectory;
netProcess.StartInfo.FileName = "net.exe";
netProcess.StartInfo.WindowStyle = ProcessWindowStyle.Hidden;
netProcess.StartInfo.CreateNoWindow = true;
// Arguments for user account creation. Run NET HELP USER from the command prompt for more info.
netProcess.StartInfo.Arguments = "USER \"" + username + "\" \"" + password +
"\" /ADD /ACTIVE:YES /PASSWORDCHG:NO /PASSWORDREQ:YES /EXPIRES:NEVER /COMMENT:" + DateTime.Now.ToShortDateString();
netProcess.Start();
netProcess.WaitForExit();
netProcess.Close();
return true;
else
{
// local account already exists, return with error
return false;
}
}
catch (Exception e)
{
MessageBox.Show(e.ToString(), "Error");
//MessageBox.Show(e.ToString(), "Error");
DebugText.appendText(e.ToString());
MessageBox.Show("An error has occured. Please notify a supervisor to debug.", "Error");
return false;
}
}
public static void DeleteUser(List<string> usernames)
public static bool DeleteUser(List<string> usernames)
{
try
{
bool Success = true;
PrincipalContext localSystem = new PrincipalContext(ContextType.Machine);
// Iterates through and deletes selected users
foreach (string user in usernames)
{
bool deleteShare = false;
if (Directory.Exists(Settings_Form.sharedFolderLocation + @"\" + user))
{
// Prompts for deletion of folder as well as the user account
57,116 → 90,59
"\nDelete the folder and all data within the folder?",
"Warning!", MessageBoxButtons.YesNo);
if (result == DialogResult.Yes)
{
Process netProcess = new Process();
netProcess.StartInfo.WorkingDirectory = System.Environment.SystemDirectory;
netProcess.StartInfo.FileName = "net.exe";
netProcess.StartInfo.WindowStyle = ProcessWindowStyle.Hidden;
netProcess.StartInfo.CreateNoWindow = true;
// Arguments for user account deletion. Run NET HELP USER from the command prompt for more info.
netProcess.StartInfo.Arguments = "USER \"" + user + "\" /DELETE";
netProcess.Start();
netProcess.WaitForExit();
netProcess.Close();
 
DeleteShareFolder(user);
}
deleteShare = true;
}
// If no folders exist for the user, account is deleted without prompting
else
{
Process netProcess = new Process();
netProcess.StartInfo.WorkingDirectory = System.Environment.SystemDirectory;
netProcess.StartInfo.FileName = "net.exe";
netProcess.StartInfo.WindowStyle = ProcessWindowStyle.Hidden;
netProcess.StartInfo.CreateNoWindow = true;
// Arguments for user account deletion. Run NET HELP USER from the command prompt for more info.
netProcess.StartInfo.Arguments = "USER \"" + user + "\" /DELETE";
netProcess.Start();
netProcess.WaitForExit();
netProcess.Close();
}
 
// Finds and deletes user and share
UserPrincipal toDelete = new UserPrincipal(localSystem);
toDelete.Name = user;
PrincipalSearcher searcher = new PrincipalSearcher(toDelete);
Principal found = searcher.FindOne();
toDelete = (UserPrincipal)found;
toDelete.Delete();
DebugText.appendText("Account " + user + " has been deleted");
// Deletes share if selected
if (deleteShare)
if (!DeleteShareFolder(user))
Success = false;
}
return Success;
}
catch (Exception e)
{
MessageBox.Show(e.ToString(), "Error");
//MessageBox.Show(e.ToString(), "Error");
DebugText.appendText(e.ToString());
MessageBox.Show("An error has occured. Please notify a supervisor to debug.", "Error");
return false;
}
}
public static void QueryUserAccounts()
public static bool QueryUserAccounts()
{
// Function that reads the user accounts on the local computer to UserAccountsList
UserAccountsList.Clear();
try
{
Process netProcess = new Process();
netProcess.StartInfo.WorkingDirectory = System.Environment.SystemDirectory;
netProcess.StartInfo.FileName = "net.exe";
netProcess.StartInfo.UseShellExecute = false;
netProcess.StartInfo.RedirectStandardOutput = true;
netProcess.StartInfo.CreateNoWindow = true;
netProcess.StartInfo.Arguments = "USER";
netProcess.Start();
string netOutput = netProcess.StandardOutput.ReadToEnd();
// Splits the output into seperate strings for further processing
string[] tempSplit = netOutput.Split(new string[] { " ", "\r", "\n" }, StringSplitOptions.RemoveEmptyEntries);
// Roundabout way of trimming each string in the array
string[] netOutputSplit = new string[tempSplit.Length];
for (int i = 0; i < tempSplit.Length; i++)
netOutputSplit[i] = tempSplit[i].Trim();
// Imports the string array into the UserAccountsList List
UserAccountsList.AddRange(netOutputSplit);
// Removes the header and footer from the List
UserAccountsList.RemoveRange(0, 2);
UserAccountsList.RemoveRange(UserAccountsList.Count() - 1, 1);
// Removes any additional empty entries
UserAccountsList.RemoveAll(IsStringBlank);
netProcess.WaitForExit();
netProcess.Close();
PrincipalContext localSystem = new PrincipalContext(ContextType.Machine);
UserPrincipal user = new UserPrincipal(localSystem);
user.Name = "*";
PrincipalSearcher searcher = new PrincipalSearcher(user);
PrincipalSearchResult<Principal> result = searcher.FindAll();
foreach (Principal p in result)
UserAccountsList.Add((UserPrincipal)p);
return true;
}
catch (Exception e)
{
MessageBox.Show(e.ToString(), "Error");
//MessageBox.Show(e.ToString(), "Error");
DebugText.appendText(e.ToString());
MessageBox.Show("An error has occured. Please notify a supervisor to debug.", "Error");
return false;
}
}
public static string [] QueryUserAccountExtraInformation(string username)
{
// Returns a string array with password requirement and date of account creation
string[] stringArray = { "", "" };
try
{
Process netProcess = new Process();
netProcess.StartInfo.WorkingDirectory = System.Environment.SystemDirectory;
netProcess.StartInfo.FileName = "net.exe";
netProcess.StartInfo.UseShellExecute = false;
netProcess.StartInfo.RedirectStandardOutput = true;
netProcess.StartInfo.CreateNoWindow = true;
netProcess.StartInfo.Arguments = "USER " + "\"" + username + "\"";
netProcess.Start();
string netOutput = netProcess.StandardOutput.ReadToEnd();
// Splits the output into seperate strings for further processing
string[] tempSplit = netOutput.Split(new string[] { " ", "\r", "\n" }, StringSplitOptions.RemoveEmptyEntries);
// Roundabout way of trimming each string in the array
string[] netOutputSplit = new string[tempSplit.Length];
for (int i = 0; i < tempSplit.Length; i++)
netOutputSplit[i] = tempSplit[i].Trim();
stringArray[0] = netOutputSplit[20];
stringArray[1] = netOutputSplit[4];
netProcess.WaitForExit();
netProcess.Close();
}
catch (Exception e)
{
MessageBox.Show(e.ToString(), "Error");
}
return stringArray;
}
public static bool QueryUserSharedFolderExist(string username)
{
return Directory.Exists(Settings_Form.sharedFolderLocation + @"\" + username);
}
public static void CreateShareFolder(string username)
public static bool CreateShareFolder(string username)
{
try
173,41 → 149,52
{
// Creates the directory with only the specific NTFS and share permissions for the user.
DirectorySecurity dSecurity = new DirectorySecurity();
// Adds NTFS permissions for system accounts
foreach (string systemUser in Settings_Form.systemAccounts)
{
dSecurity.AddAccessRule(new FileSystemAccessRule("\\" + systemUser, FileSystemRights.FullControl, InheritanceFlags.ContainerInherit, PropagationFlags.None, AccessControlType.Allow));
dSecurity.AddAccessRule(new FileSystemAccessRule("\\" + systemUser, FileSystemRights.FullControl, InheritanceFlags.ObjectInherit, PropagationFlags.None, AccessControlType.Allow));
}
//dSecurity.AddAccessRule(new FileSystemAccessRule("\\Administrator", FileSystemRights.FullControl, AccessControlType.Allow));
//dSecurity.AddAccessRule(new FileSystemAccessRule("\\SWAT", FileSystemRights.FullControl, AccessControlType.Allow));
//dSecurity.AddAccessRule(new FileSystemAccessRule("\\Administrators", FileSystemRights.FullControl, AccessControlType.Allow));
// Adds NTFS permissions for the user
dSecurity.AddAccessRule(new FileSystemAccessRule("\\" + username, FileSystemRights.FullControl, InheritanceFlags.ContainerInherit, PropagationFlags.None, AccessControlType.Allow));
dSecurity.AddAccessRule(new FileSystemAccessRule("\\" + username, FileSystemRights.FullControl, InheritanceFlags.ObjectInherit, PropagationFlags.None, AccessControlType.Allow));
Directory.CreateDirectory(Settings_Form.sharedFolderLocation + @"\" + username, dSecurity);
SetSharePermissions(username);
DebugText.appendText("Shared folder for " + username + " has been created");
return SetSharePermissions(username);
}
catch (Exception e)
{
MessageBox.Show(e.ToString(), "Error");
//MessageBox.Show(e.ToString(), "Error");
DebugText.appendText(e.ToString());
MessageBox.Show("An error has occured. Please notify a supervisor to debug.", "Error");
return false;
}
}
public static void DeleteShareFolder(string username)
public static bool DeleteShareFolder(string username)
{
try
{
bool Success = true;
// Removes the share BEFORE deleting the folder. Otherwise share will error on remove.
RemoveSharePermissions(username);
if (!RemoveSharePermissions(username))
Success = false;
Directory.Delete(Settings_Form.sharedFolderLocation + @"\" + username, true);
DebugText.appendText("Shared folder for " + username + " has been deleted");
return Success;
}
catch (Exception e)
{
MessageBox.Show(e.ToString(), "Error");
//MessageBox.Show(e.ToString(), "Error");
DebugText.appendText(e.ToString());
MessageBox.Show("An error has occured. Please notify a supervisor to debug.", "Error");
return false;
}
}
public static void ToggleShare(string username)
public static bool ToggleShare(string username)
{
try
{
// Checks if a share already exists for the user
if (Directory.Exists(Settings_Form.sharedFolderLocation + @"\" + username))
{
DialogResult result = MessageBox.Show("A shared folder exists for the user " + username + "!" +
214,18 → 201,19
"\nDelete the folder and all data within the folder?",
"Warning!", MessageBoxButtons.YesNo);
if (result == DialogResult.Yes)
{
DeleteShareFolder(username);
}
return DeleteShareFolder(username);
}
// Otherwise creates the share for the user
else
{
CreateShareFolder(username);
}
return CreateShareFolder(username);
return true;
}
catch (Exception e)
{
MessageBox.Show(e.ToString(), "Error");
//MessageBox.Show(e.ToString(), "Error");
DebugText.appendText(e.ToString());
MessageBox.Show("An error has occured. Please notify a supervisor to debug.", "Error");
return false;
}
}
public static long GetShareSize(string username)
234,29 → 222,62
long size = GetDirSize(dir);
return size;
}
public static void ChangeUserPassword(string username, string password)
private static long GetDirSize(DirectoryInfo input)
{
try
{
Process netProcess = new Process();
netProcess.StartInfo.WorkingDirectory = System.Environment.SystemDirectory;
netProcess.StartInfo.FileName = "net.exe";
netProcess.StartInfo.WindowStyle = ProcessWindowStyle.Hidden;
netProcess.StartInfo.CreateNoWindow = true;
// Arguments for changing user password. Run NET HELP USER from the command prompt for more info.
netProcess.StartInfo.Arguments = "USER \"" + username + "\" \"" + password + "\"";
netProcess.Start();
netProcess.WaitForExit();
netProcess.Close();
if (input.Exists)
{
long size = 0;
FileInfo[] files = input.GetFiles();
foreach (FileInfo file in files)
{
size += file.Length;
}
DirectoryInfo[] dirs = input.GetDirectories();
foreach (DirectoryInfo dir in dirs)
{
size += GetDirSize(dir);
}
return size;
}
else
return 0;
}
catch (Exception e)
{
MessageBox.Show(e.ToString(), "Error");
//MessageBox.Show(e.ToString(), "Error");
DebugText.appendText(e.ToString());
MessageBox.Show("An error has occured. Please notify a supervisor to debug.", "Error");
return 0;
}
}
public static bool ChangeUserPassword(string username, string password)
{
try
{
// Queries for the specified user password
PrincipalContext localSystem = new PrincipalContext(ContextType.Machine);
UserPrincipal user = new UserPrincipal(localSystem);
user.Name = username;
PrincipalSearcher searcher = new PrincipalSearcher(user);
Principal result = searcher.FindOne();
user = (UserPrincipal)result;
user.SetPassword(password);
user.Save();
DebugText.appendText("Password for " + username + " has been changed");
return true;
}
catch (Exception e)
{
//MessageBox.Show(e.ToString(), "Error");
DebugText.appendText(e.ToString());
MessageBox.Show("An error has occured. Please notify a supervisor to debug.", "Error");
return false;
}
}
public static bool SessionsOpen()
{
bool sessionsOpen = true;
try
{
Process netProcess = new Process();
274,43 → 295,19
netProcess.Close();
 
if (tempSplit[0] == "There are no entries in the list.")
sessionsOpen = false;
}
catch (Exception e)
{
MessageBox.Show(e.ToString(), "Error");
}
return sessionsOpen;
}
private static long GetDirSize(DirectoryInfo entry)
{
try
{
if (entry.Exists)
{
long size = 0;
FileInfo[] files = entry.GetFiles();
foreach (FileInfo file in files)
{
size += file.Length;
}
DirectoryInfo[] dirs = entry.GetDirectories();
foreach (DirectoryInfo dir in dirs)
{
size += GetDirSize(dir);
}
return size;
}
return false;
else
return 0;
return true;
}
catch (Exception e)
{
MessageBox.Show(e.ToString(), "Error");
return 0;
//MessageBox.Show(e.ToString(), "Error");
DebugText.appendText(e.ToString());
MessageBox.Show("An error has occured. Please notify a supervisor to debug.", "Error");
return true;
}
}
private static void SetSharePermissions(string username)
private static bool SetSharePermissions(string username)
{
string combinationString = "";
foreach (string systemUser in Settings_Form.systemAccounts)
329,13 → 326,18
netProcess.Start();
netProcess.WaitForExit();
netProcess.Close();
DebugText.appendText("Share permissions for " + username + " has been set");
return true;
}
catch (Exception e)
{
MessageBox.Show(e.ToString(), "Error");
//MessageBox.Show(e.ToString(), "Error");
DebugText.appendText(e.ToString());
MessageBox.Show("An error has occured. Please notify a supervisor to debug.", "Error");
return false;
}
}
private static void RemoveSharePermissions(string username)
private static bool RemoveSharePermissions(string username)
{
try
{
348,18 → 350,16
netProcess.Start();
netProcess.WaitForExit();
netProcess.Close();
DebugText.appendText("Share permissions for " + username + " has been removed");
return true;
}
catch (Exception e)
{
MessageBox.Show(e.ToString(), "Error");
//MessageBox.Show(e.ToString(), "Error");
DebugText.appendText(e.ToString());
MessageBox.Show("An error has occured. Please notify a supervisor to debug.", "Error");
return false;
}
}
private static bool IsStringBlank(string s)
{
if (s == "")
return true;
else
return false;
}
}
}