/// <summary>
/// Compares the new password with existing password - are they the same?
/// </summary>
/// <param name="ANewPassword">New password.</param>
/// <param name="AUserDR">DataRow of the user record in s_user DB Table whose password should be changed.</param>
/// <param name="AVerificationResult">Will be null if the new password is not the same than the old password,
/// otherwise it will be populated.</param>
/// <returns>False if the new password is not the same than the old password, otherwise true.</returns>
private static bool IsNewPasswordSameAsExistingPassword(string ANewPassword, SUserRow AUserDR,
out TVerificationResult AVerificationResult)
{
string NewPasswordHashWithOldSalt = TUserManagerWebConnector.CreateHashOfPassword(ANewPassword,
AUserDR.PasswordSalt, AUserDR.PwdSchemeVersion);
if (TPasswordHelper.EqualsAntiTimingAttack(Convert.FromBase64String(AUserDR.PasswordHash),
Convert.FromBase64String(NewPasswordHashWithOldSalt)))
{
AVerificationResult = new TVerificationResult("Password change",
ErrorCodes.GetErrorInfo(PetraErrorCodes.ERR_NEW_PASSWORD_MUST_BE_DIFFERENT));
return(true);
}
AVerificationResult = null;
return(false);
}
public static bool SetUserPassword(string AUsername, string APassword, bool APasswordNeedsChanged, bool AUnretireIfRetired)
{
string UserAuthenticationMethod = TAppSettingsManager.GetValue("UserAuthenticationMethod", "OpenPetraDBSUser", false);
if (UserAuthenticationMethod == "OpenPetraDBSUser")
{
TDBTransaction SubmitChangesTransaction = null;
bool SubmissionResult = false;
TPetraPrincipal tempPrincipal;
DBAccess.GDBAccessObj.BeginAutoTransaction(IsolationLevel.Serializable, ref SubmitChangesTransaction,
ref SubmissionResult,
delegate
{
SUserRow UserDR = TUserManagerWebConnector.LoadUser(AUsername.ToUpper(), out tempPrincipal);
SUserTable UserTable = (SUserTable)UserDR.Table;
Random r = new Random();
UserDR.PasswordSalt = r.Next(1000000000).ToString();
UserDR.PasswordHash = TUserManagerWebConnector.CreateHashOfPassword(String.Concat(APassword,
UserDR.PasswordSalt), "SHA1");
UserDR.PasswordNeedsChange = APasswordNeedsChanged;
// unretire the user if it has been previously retired
if (AUnretireIfRetired)
{
UserDR.Retired = false;
}
SUserAccess.SubmitChanges(UserTable, SubmitChangesTransaction);
SubmissionResult = true;
});
return(true);
}
else
{
IUserAuthentication auth = TUserManagerWebConnector.LoadAuthAssembly(UserAuthenticationMethod);
return(auth.SetPassword(AUsername, APassword));
}
}
public static bool CreateUser(string AUsername, string APassword, string AFirstName, string AFamilyName, string AModulePermissions)
{
TDBTransaction ReadTransaction = null;
TDBTransaction SubmitChangesTransaction = null;
bool UserExists = false;
bool SubmissionOK = false;
// TODO: check permissions. is the current user allowed to create other users?
SUserTable userTable = new SUserTable();
SUserRow newUser = userTable.NewRowTyped();
newUser.UserId = AUsername;
newUser.FirstName = AFirstName;
newUser.LastName = AFamilyName;
if (AUsername.Contains("@"))
{
newUser.EmailAddress = AUsername;
newUser.UserId = AUsername.Substring(0, AUsername.IndexOf("@")).
Replace(".", string.Empty).
Replace("_", string.Empty).ToUpper();
}
// Check whether the user that we are asked to create already exists
DBAccess.GDBAccessObj.BeginAutoReadTransaction(IsolationLevel.ReadCommitted, ref ReadTransaction,
delegate
{
if (SUserAccess.Exists(newUser.UserId, ReadTransaction))
{
TLogging.Log("Cannot create new user as a user with User Name '" + newUser.UserId + "' already exists!");
UserExists = true;
}
});
if (UserExists)
{
return(false);
}
userTable.Rows.Add(newUser);
string UserAuthenticationMethod = TAppSettingsManager.GetValue("UserAuthenticationMethod", "OpenPetraDBSUser", false);
if (UserAuthenticationMethod == "OpenPetraDBSUser")
{
if (APassword.Length > 0)
{
newUser.PasswordSalt = PasswordHelper.GetNewPasswordSalt();
newUser.PasswordHash = PasswordHelper.GetPasswordHash(APassword, newUser.PasswordSalt);
newUser.PasswordNeedsChange = true;
}
}
else
{
try
{
IUserAuthentication auth = TUserManagerWebConnector.LoadAuthAssembly(UserAuthenticationMethod);
if (!auth.CreateUser(AUsername, APassword, AFirstName, AFamilyName))
{
newUser = null;
}
}
catch (Exception e)
{
TLogging.Log("Problem loading user authentication method " + UserAuthenticationMethod + ": " + e.ToString());
return(false);
}
}
if (newUser != null)
{
DBAccess.GDBAccessObj.BeginAutoTransaction(IsolationLevel.Serializable, ref SubmitChangesTransaction, ref SubmissionOK,
delegate
{
SUserAccess.SubmitChanges(userTable, SubmitChangesTransaction);
List <string> modules = new List <string>();
if (AModulePermissions == DEMOMODULEPERMISSIONS)
{
modules.Add("PTNRUSER");
modules.Add("FINANCE-1");
ALedgerTable theLedgers = ALedgerAccess.LoadAll(SubmitChangesTransaction);
foreach (ALedgerRow ledger in theLedgers.Rows)
{
modules.Add("LEDGER" + ledger.LedgerNumber.ToString("0000"));
}
}
else
{
string[] modulePermissions = AModulePermissions.Split(new char[] { ',' });
foreach (string s in modulePermissions)
{
if (s.Trim().Length > 0)
{
modules.Add(s.Trim());
}
}
}
SUserModuleAccessPermissionTable moduleAccessPermissionTable = new SUserModuleAccessPermissionTable();
foreach (string module in modules)
{
SUserModuleAccessPermissionRow moduleAccessPermissionRow = moduleAccessPermissionTable.NewRowTyped();
moduleAccessPermissionRow.UserId = newUser.UserId;
moduleAccessPermissionRow.ModuleId = module;
moduleAccessPermissionRow.CanAccess = true;
moduleAccessPermissionTable.Rows.Add(moduleAccessPermissionRow);
}
SUserModuleAccessPermissionAccess.SubmitChanges(moduleAccessPermissionTable, SubmitChangesTransaction);
// TODO: table permissions should be set by the module list
// TODO: add p_data_label... tables here so user can generally have access
string[] tables = new string[] {
"p_bank", "p_church", "p_family", "p_location",
"p_organisation", "p_partner", "p_partner_location",
"p_partner_type", "p_person", "p_unit", "p_venue",
"p_data_label", "p_data_label_lookup", "p_data_label_lookup_category", "p_data_label_use", "p_data_label_value_partner",
};
SUserTableAccessPermissionTable tableAccessPermissionTable = new SUserTableAccessPermissionTable();
foreach (string table in tables)
{
SUserTableAccessPermissionRow tableAccessPermissionRow = tableAccessPermissionTable.NewRowTyped();
tableAccessPermissionRow.UserId = newUser.UserId;
tableAccessPermissionRow.TableName = table;
tableAccessPermissionTable.Rows.Add(tableAccessPermissionRow);
}
SUserTableAccessPermissionAccess.SubmitChanges(tableAccessPermissionTable, SubmitChangesTransaction);
SubmissionOK = true;
});
return(true);
}
return(false);
}
public static bool SetUserPassword(string AUsername,
string APassword,
string AOldPassword,
bool APasswordNeedsChanged,
out TVerificationResultCollection AVerification)
{
TDBTransaction Transaction;
string UserAuthenticationMethod = TAppSettingsManager.GetValue("UserAuthenticationMethod", "OpenPetraDBSUser", false);
TVerificationResult VerificationResult;
AVerification = new TVerificationResultCollection();
if (!TSharedSysManValidation.CheckPasswordQuality(APassword, out VerificationResult))
{
return(false);
}
if (APasswordNeedsChanged && APassword == AOldPassword)
{
AVerification = new TVerificationResultCollection();
AVerification.Add(new TVerificationResult("\nPassword check.",
Catalog.GetString(
"Password not changed as the old password was reused. Please use a new password."),
TResultSeverity.Resv_Critical));
return(false);
}
if (UserAuthenticationMethod == "OpenPetraDBSUser")
{
TPetraPrincipal tempPrincipal;
SUserRow UserDR = TUserManagerWebConnector.LoadUser(AUsername.ToUpper(), out tempPrincipal);
if (TUserManagerWebConnector.CreateHashOfPassword(String.Concat(AOldPassword,
UserDR.PasswordSalt)) != UserDR.PasswordHash)
{
AVerification = new TVerificationResultCollection();
AVerification.Add(new TVerificationResult("\nPassword quality check.",
String.Format(
Catalog.GetString(
"Old password entered incorrectly. Password not changed.")),
TResultSeverity.Resv_Critical));
return(false);
}
SUserTable UserTable = (SUserTable)UserDR.Table;
UserDR.PasswordHash = TUserManagerWebConnector.CreateHashOfPassword(String.Concat(APassword,
UserDR.PasswordSalt));
UserDR.PasswordNeedsChange = false;
Transaction = DBAccess.GDBAccessObj.BeginTransaction(IsolationLevel.Serializable);
try
{
SUserAccess.SubmitChanges(UserTable, Transaction);
DBAccess.GDBAccessObj.CommitTransaction();
}
catch (Exception Exc)
{
TLogging.Log("An Exception occured during the setting of the User Password:" + Environment.NewLine + Exc.ToString());
DBAccess.GDBAccessObj.RollbackTransaction();
throw;
}
return(true);
}
else
{
IUserAuthentication auth = TUserManagerWebConnector.LoadAuthAssembly(UserAuthenticationMethod);
return(auth.SetPassword(AUsername, APassword, AOldPassword));
}
}
/// <summary>
/// Call this Method when a log-in is attempted for a non-existing user (!) so that the time that is spent on
/// 'authenticating' them is as long as is spent on authenticating existing users. This is done so that an attacker
/// that tries to perform user authentication with 'username guessing' cannot easily tell that the user doesn't exist by
/// checking the time in which the server returns an error (this is an attack vector called 'timing attack')!
/// </summary>
public void SimulatePasswordAuthenticationForNonExistingUser()
{
TUserManagerWebConnector.SimulatePasswordAuthenticationForNonExistingUser();
}
public static bool SetUserPassword(string AUsername,
string ANewPassword,
bool APasswordNeedsChanged,
bool AUnretireIfRetired,
string AClientComputerName, string AClientIPAddress,
out TVerificationResultCollection AVerification)
{
TVerificationResult VerificationResult;
SUserTable UserTable;
SUserRow UserDR;
string UserAuthenticationMethod = TAppSettingsManager.GetValue("UserAuthenticationMethod", "OpenPetraDBSUser", false);
bool BogusPasswordChangeAttempt = false;
AVerification = new TVerificationResultCollection();
// Password quality check
if (!TSharedSysManValidation.CheckPasswordQuality(ANewPassword, out VerificationResult))
{
AVerification.Add(VerificationResult);
return(false);
}
if (UserAuthenticationMethod == "OpenPetraDBSUser")
{
TDBTransaction SubmitChangesTransaction = null;
bool SubmissionResult = false;
TPetraPrincipal tempPrincipal;
DBAccess.GDBAccessObj.BeginAutoTransaction(IsolationLevel.Serializable, ref SubmitChangesTransaction,
ref SubmissionResult,
delegate
{
try
{
UserDR = TUserManagerWebConnector.LoadUser(AUsername.ToUpper(), out tempPrincipal,
SubmitChangesTransaction);
}
catch (EUserNotExistantException)
{
// Because this cannot happen when a password change gets effected through normal OpenPetra
// operation this is treated as a bogus operation that an attacker launches!
BogusPasswordChangeAttempt = true;
// Logging
TUserAccountActivityLog.AddUserAccountActivityLogEntry(AUsername,
TUserAccountActivityLog.USER_ACTIVITY_PWD_CHANGE_ATTEMPT_BY_SYSADMIN_FOR_NONEXISTING_USER,
String.Format(Catalog.GetString(
"A system administrator, {0}, made an attempt to change a User's password for UserID {1} " +
"but that user doesn't exist! "), UserInfo.GUserInfo.UserID, AUsername) +
String.Format(ResourceTexts.StrRequestCallerInfo, AClientComputerName, AClientIPAddress),
SubmitChangesTransaction);
SubmissionResult = true; // Need to set this so that the DB Transaction gets committed!
// Simulate that time is spent on 'authenticating' a user (although the user doesn't exist)...! Reason for that: see Method
// SimulatePasswordAuthenticationForNonExistingUser!
TUserManagerWebConnector.SimulatePasswordAuthenticationForNonExistingUser();
return;
}
UserTable = (SUserTable)UserDR.Table;
// Note: We are on purpose NOT checking here whether the new password is the same as the existing
// password (which would be done by calling the IsNewPasswordSameAsExistingPassword Method) because
// if we would do that then the SYSADMIN could try to find out what the password of a user is by
// seeing if (s)he would get a message that the new password must be different from the old password...!
SetNewPasswordHashAndSaltForUser(UserDR, ANewPassword, AClientComputerName, AClientIPAddress, SubmitChangesTransaction);
UserDR.PasswordNeedsChange = APasswordNeedsChanged;
// 'Unretire' the user if the user has been previously 'retired' and also 'unlock' the User Account if
// it has previously been locked
if (AUnretireIfRetired)
{
UserDR.Retired = false;
UserDR.AccountLocked = false;
}
try
{
SUserAccess.SubmitChanges(UserTable, SubmitChangesTransaction);
TUserAccountActivityLog.AddUserAccountActivityLogEntry(UserDR.UserId,
TUserAccountActivityLog.USER_ACTIVITY_PWD_CHANGE_BY_SYSADMIN,
String.Format(Catalog.GetString(
"The password of user {0} got changed by user {1} (the latter user has got SYSADMIN " +
"privileges). "), UserDR.UserId, UserInfo.GUserInfo.UserID) +
String.Format(ResourceTexts.StrRequestCallerInfo, AClientComputerName, AClientIPAddress),
SubmitChangesTransaction);
}
catch (Exception Exc)
{
TLogging.Log("An Exception occured during the saving of the new User Password by the SYSADMIN:" + Environment.NewLine +
Exc.ToString());
throw;
}
SubmissionResult = true;
});
return(!BogusPasswordChangeAttempt);
}
else
{
IUserAuthentication auth = TUserManagerWebConnector.LoadAuthAssembly(UserAuthenticationMethod);
return(auth.SetPassword(AUsername, ANewPassword));
}
}
public static bool CreateUser(string AUsername, string APassword, string AFirstName, string AFamilyName,
string AModulePermissions, string AClientComputerName, string AClientIPAddress, TDBTransaction ATransaction = null)
{
TDataBase DBConnectionObj = DBAccess.GetDBAccessObj(ATransaction);
TDBTransaction ReadWriteTransaction = null;
bool SeparateDBConnectionEstablished = false;
bool NewTransaction;
bool SubmissionOK = false;
// TODO: check permissions. is the current user allowed to create other users?
SUserTable userTable = new SUserTable();
SUserRow newUser = userTable.NewRowTyped();
newUser.UserId = AUsername;
newUser.FirstName = AFirstName;
newUser.LastName = AFamilyName;
if (AUsername.Contains("@"))
{
newUser.EmailAddress = AUsername;
newUser.UserId = AUsername.Substring(0, AUsername.IndexOf("@")).
Replace(".", string.Empty).
Replace("_", string.Empty).ToUpper();
}
if (DBConnectionObj == null)
{
// ATransaction was null and GDBAccess is also null: we need to establish a DB Connection manually here!
DBConnectionObj = DBAccess.SimpleEstablishDBConnection("CreateUser");
SeparateDBConnectionEstablished = true;
}
ReadWriteTransaction = DBConnectionObj.GetNewOrExistingTransaction(
IsolationLevel.Serializable, out NewTransaction, "CreateUser");
try
{
// Check whether the user that we are asked to create already exists
if (SUserAccess.Exists(newUser.UserId, ReadWriteTransaction))
{
TLogging.Log("Cannot create new user because a user with User Name '" + newUser.UserId + "' already exists!");
return(false);
}
newUser.PwdSchemeVersion = TPasswordHelper.CurrentPasswordSchemeNumber;
userTable.Rows.Add(newUser);
string UserAuthenticationMethod = TAppSettingsManager.GetValue("UserAuthenticationMethod", "OpenPetraDBSUser", false);
if (UserAuthenticationMethod == "OpenPetraDBSUser")
{
if (APassword.Length > 0)
{
SetNewPasswordHashAndSaltForUser(newUser, APassword, AClientComputerName, AClientIPAddress, ReadWriteTransaction);
if (AModulePermissions != TMaintenanceWebConnector.DEMOMODULEPERMISSIONS)
{
newUser.PasswordNeedsChange = true;
}
}
}
else
{
try
{
IUserAuthentication auth = TUserManagerWebConnector.LoadAuthAssembly(UserAuthenticationMethod);
if (!auth.CreateUser(AUsername, APassword, AFirstName, AFamilyName))
{
newUser = null;
}
}
catch (Exception e)
{
TLogging.Log("Problem loading user authentication method " + UserAuthenticationMethod + ": " + e.ToString());
return(false);
}
}
if (newUser != null)
{
SUserAccess.SubmitChanges(userTable, ReadWriteTransaction);
List <string> modules = new List <string>();
if (AModulePermissions == DEMOMODULEPERMISSIONS)
{
modules.Add("PTNRUSER");
modules.Add("FINANCE-1");
ALedgerTable theLedgers = ALedgerAccess.LoadAll(ReadWriteTransaction);
foreach (ALedgerRow ledger in theLedgers.Rows)
{
modules.Add("LEDGER" + ledger.LedgerNumber.ToString("0000"));
}
}
else
{
string[] modulePermissions = AModulePermissions.Split(new char[] { ',' });
foreach (string s in modulePermissions)
{
if (s.Trim().Length > 0)
{
modules.Add(s.Trim());
}
}
}
SUserModuleAccessPermissionTable moduleAccessPermissionTable = new SUserModuleAccessPermissionTable();
foreach (string module in modules)
{
SUserModuleAccessPermissionRow moduleAccessPermissionRow = moduleAccessPermissionTable.NewRowTyped();
moduleAccessPermissionRow.UserId = newUser.UserId;
moduleAccessPermissionRow.ModuleId = module;
moduleAccessPermissionRow.CanAccess = true;
moduleAccessPermissionTable.Rows.Add(moduleAccessPermissionRow);
}
SUserModuleAccessPermissionAccess.SubmitChanges(moduleAccessPermissionTable, ReadWriteTransaction);
// TODO: table permissions should be set by the module list
// TODO: add p_data_label... tables here so user can generally have access
string[] tables = new string[] {
"p_bank", "p_church", "p_family", "p_location",
"p_organisation", "p_partner", "p_partner_location",
"p_partner_type", "p_person", "p_unit", "p_venue",
"p_data_label", "p_data_label_lookup", "p_data_label_lookup_category", "p_data_label_use", "p_data_label_value_partner",
};
SUserTableAccessPermissionTable tableAccessPermissionTable = new SUserTableAccessPermissionTable();
foreach (string table in tables)
{
SUserTableAccessPermissionRow tableAccessPermissionRow = tableAccessPermissionTable.NewRowTyped();
tableAccessPermissionRow.UserId = newUser.UserId;
tableAccessPermissionRow.TableName = table;
tableAccessPermissionTable.Rows.Add(tableAccessPermissionRow);
}
SUserTableAccessPermissionAccess.SubmitChanges(tableAccessPermissionTable, ReadWriteTransaction);
TUserAccountActivityLog.AddUserAccountActivityLogEntry(newUser.UserId,
TUserAccountActivityLog.USER_ACTIVITY_USER_RECORD_CREATED,
String.Format(Catalog.GetString("The user record for the new user {0} got created by user {1}. "),
newUser.UserId, UserInfo.GUserInfo.UserID) +
String.Format(ResourceTexts.StrRequestCallerInfo, AClientComputerName, AClientIPAddress),
ReadWriteTransaction);
SubmissionOK = true;
return(true);
}
}
finally
{
if (NewTransaction)
{
if (SubmissionOK)
{
ReadWriteTransaction.DataBaseObj.CommitTransaction();
}
else
{
ReadWriteTransaction.DataBaseObj.RollbackTransaction();
}
if (SeparateDBConnectionEstablished)
{
DBConnectionObj.CloseDBConnection();
}
}
}
return(false);
}
public static bool SetUserPassword(string AUserID,
string ANewPassword,
string ACurrentPassword,
bool APasswordNeedsChanged,
string AClientComputerName, string AClientIPAddress,
out TVerificationResultCollection AVerification)
{
string UserAuthenticationMethod = TAppSettingsManager.GetValue("UserAuthenticationMethod", "OpenPetraDBSUser", false);
TVerificationResult VerificationResult;
TVerificationResultCollection VerificationResultColl = null;
SUserRow UserDR = null;
SUserTable UserTable = null;
bool BogusPasswordChangeAttempt = false;
AVerification = new TVerificationResultCollection();
// Security check: Is the user that is performing the password change request the current user?
if (AUserID != UserInfo.GUserInfo.UserID)
{
throw new EOPAppException(
"The setting of a User's Password must only be done by the user itself, but this isn't the case here and therefore the request gets denied");
}
// Password quality check
if (!TSharedSysManValidation.CheckPasswordQuality(ANewPassword, out VerificationResult))
{
AVerification.Add(VerificationResult);
return(false);
}
if (UserAuthenticationMethod == "OpenPetraDBSUser")
{
TPetraPrincipal tempPrincipal;
TDBTransaction SubmitChangesTransaction = null;
bool SubmissionResult = false;
DBAccess.GDBAccessObj.BeginAutoTransaction(IsolationLevel.Serializable, ref SubmitChangesTransaction,
ref SubmissionResult,
delegate
{
try
{
UserDR = TUserManagerWebConnector.LoadUser(AUserID.ToUpper(), out tempPrincipal,
SubmitChangesTransaction);
}
catch (EUserNotExistantException)
{
// Because this cannot happen when a password change gets effected through normal OpenPetra
// operation this is treated as a bogus operation that an attacker launches!
BogusPasswordChangeAttempt = true;
// Logging
TUserAccountActivityLog.AddUserAccountActivityLogEntry(AUserID,
TUserAccountActivityLog.USER_ACTIVITY_PWD_CHANGE_ATTEMPT_BY_USER_FOR_NONEXISTING_USER,
String.Format(Catalog.GetString(
"User {0} tried to make an attempt to change a User's password for UserID {1} " +
"but that user doesn't exist! "), UserInfo.GUserInfo.UserID, AUserID) +
String.Format(ResourceTexts.StrRequestCallerInfo, AClientComputerName, AClientIPAddress),
SubmitChangesTransaction);
SubmissionResult = true; // Need to set this so that the DB Transaction gets committed!
// Simulate that time is spent on 'authenticating' a user (although the user doesn't exist)...! Reason for that: see Method
// SimulatePasswordAuthenticationForNonExistingUser!
TUserManagerWebConnector.SimulatePasswordAuthenticationForNonExistingUser();
return;
}
UserTable = (SUserTable)UserDR.Table;
// Security check: Is the supplied current password correct?
if (TUserManagerWebConnector.CreateHashOfPassword(ACurrentPassword,
UserDR.PasswordSalt, UserDR.PwdSchemeVersion) != UserDR.PasswordHash)
{
VerificationResultColl = new TVerificationResultCollection();
VerificationResultColl.Add(new TVerificationResult("Password Verification",
Catalog.GetString(
"The current password was entered incorrectly! The password did not get changed."),
TResultSeverity.Resv_Critical));
try
{
SUserAccess.SubmitChanges(UserTable, SubmitChangesTransaction);
TUserAccountActivityLog.AddUserAccountActivityLogEntry(UserDR.UserId,
TUserAccountActivityLog.USER_ACTIVITY_PWD_WRONG_WHILE_PWD_CHANGE,
String.Format(Catalog.GetString(
"User {0} supplied the wrong current password while attempting to change " +
"his/her password! ") +
String.Format(ResourceTexts.StrRequestCallerInfo, AClientComputerName, AClientIPAddress),
UserInfo.GUserInfo.UserID),
SubmitChangesTransaction);
SubmissionResult = true;
}
catch (Exception Exc)
{
TLogging.Log(String.Format(
"An Exception occured during the changing of the User Password by user '{0}' (Situation 1):", AUserID) +
Environment.NewLine + Exc.ToString());
throw;
}
}
});
if (BogusPasswordChangeAttempt)
{
// Note: VerificationResultColl will be null in this case because we don't want to disclose to an attackeer
// why the password change attempt was denied!!!
return(false);
}
if (VerificationResultColl != null)
{
AVerification = VerificationResultColl;
return(false);
}
// Security check: Is the supplied new password the same than the current password?
if (IsNewPasswordSameAsExistingPassword(ANewPassword, UserDR, out VerificationResult))
{
AVerification.Add(VerificationResult);
return(false);
}
//
// All checks passed: We go aheand and change the user's password!
//
SetNewPasswordHashAndSaltForUser(UserDR, ANewPassword, AClientComputerName, AClientIPAddress, SubmitChangesTransaction);
UserDR.PasswordNeedsChange = false;
DBAccess.GDBAccessObj.BeginAutoTransaction(IsolationLevel.Serializable, ref SubmitChangesTransaction,
ref SubmissionResult,
delegate
{
try
{
SUserAccess.SubmitChanges(UserTable, SubmitChangesTransaction);
TUserAccountActivityLog.AddUserAccountActivityLogEntry(UserDR.UserId,
(APasswordNeedsChanged ? TUserAccountActivityLog.USER_ACTIVITY_PWD_CHANGE_BY_USER_ENFORCED :
TUserAccountActivityLog.USER_ACTIVITY_PWD_CHANGE_BY_USER),
String.Format(Catalog.GetString("User {0} changed his/her password{1}"),
UserInfo.GUserInfo.UserID,
(APasswordNeedsChanged ? Catalog.GetString(" (enforced password change.) ") : ". ")) +
String.Format(ResourceTexts.StrRequestCallerInfo, AClientComputerName, AClientIPAddress),
SubmitChangesTransaction);
SubmissionResult = true;
}
catch (Exception Exc)
{
TLogging.Log(String.Format("An Exception occured during the changing of the User Password by user '{0}' (Situation 2):",
AUserID) +
Environment.NewLine + Exc.ToString());
throw;
}
});
return(true);
}
else
{
IUserAuthentication auth = TUserManagerWebConnector.LoadAuthAssembly(UserAuthenticationMethod);
return(auth.SetPassword(AUserID, ANewPassword, ACurrentPassword));
}
}
/// <summary>
/// authenticate a user
/// </summary>
public IPrincipal PerformUserAuthentication(string AUserName, string APassword,
out Boolean ASystemEnabled)
{
return(TUserManagerWebConnector.PerformUserAuthentication(AUserName, APassword, out ASystemEnabled));
}
