C# Class GSF.Identity.UserInfo

Represents information about a local user or a domain user (e.g., from Active Directory).

See http://msdn.microsoft.com/en-us/library/ms677980.aspx for more information on active directory properties.

Inheritance: ISupportLifecycle, IPersistSettings

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Private Properties

Property	Type	Description
Dispose	void
GetNameElements	string[]
ValidateGroupName	string

Public Methods

Method	Description
AddUserToLocalGroup ( string groupName, string userName ) : bool	Adds an existing user to the specified local groupName. This function will handle Windows service virtual accounts by specifying the complete virtual account name, such as `@"NT SERVICE\MyService"`, as the userName. This function can also add Active Directory user accounts and groups to the local group the when the userName is prefixed with a domain name and a backslash "\".
AuthenticateUser ( string domain, string userName, string password ) : IPrincipal	Authenticates the specified user credentials. This method always returns `null` under Mono deployments.
AuthenticateUser ( string domain, string userName, string password, string &errorMessage ) : IPrincipal	Authenticates the specified user credentials. This method always returns `null` under Mono deployments.
ChangePassword ( string oldPassword, string newPassword ) : void	Attempts to change the user's password.
CreateLocalGroup ( string groupName, string groupDescription = null ) : bool	Creates a new local group if it does not exist already.
CreateLocalUser ( string userName, string password, string userDescription = null ) : bool	Creates a new local user if it does not exist already.
DefinePrivilegedAccount ( string domain, string username, string password ) : void	Defines the credentials of a privileged domain account that can be used for impersonation prior to the retrieval of user information from the Active Directory.
Dispose ( ) : void	Releases all the resources used by the UserInfo object.
EndImpersonation ( System.Security.Principal.WindowsImpersonationContext impersonatedUser ) : void	Ends the impersonation of the specified user.
GetBuiltInLocalGroups ( ) : string[]	Returns a sorted list of the common built-in local groups. On Windows these groups have a domain name of BUILTIN. Names in this list will not have a "BUILTIN\" prefix.
GetLocalGroupUserList ( string groupName ) : string[]	Gets a list of users that exist in the specified local groupName.
GetUserPropertyValue ( string propertyName ) : string	Returns the value for specified active directory property.
GroupNameToSID ( string groupName ) : string	Converts the given group name to the SID corresponding to that name. If the groupName cannot be converted to a SID, groupName will be the return value.
ImpersonatePrivilegedAccount ( ) : System.Security.Principal.WindowsImpersonationContext	Impersonates the defined privileged domain account. This method always returns `null` under Mono deployments.
ImpersonateUser ( string domain, string userName, string password ) : System.Security.Principal.WindowsImpersonationContext	Impersonates the specified user. After impersonating a user the code executes under the impersonated user's identity. This method always returns `null` under Mono deployments.
Initialize ( ) : void	Initializes the UserInfo object.
IsGroupSID ( string sid ) : bool	Determines whether the given security identifier identifies a group.
IsLocalDomain ( string domain ) : bool	Determines if specified domain is the local domain (i.e., local machine).
IsUserSID ( string sid ) : bool	Determines whether the given security identifier identifies a user account.
LoadSettings ( ) : void	Loads saved settings for the UserInfo object from the config file if the PersistSettings property is set to true.
LocalGroupExists ( string groupName ) : bool	Determines if local group exists.
LocalUserExists ( string userName ) : bool	Determines if local user exists.
RemoveLocalGroup ( string groupName ) : bool	Removes local group if it exists.
RemoveLocalUser ( string userName ) : bool	Removes local user if it exists.
RemoveUserFromLocalGroup ( string groupName, string userName ) : bool	Removes an existing user from the specified local groupName. This function will handle Windows service virtual accounts by specifying the complete virtual account name, such as `@"NT SERVICE\MyService"`, as the userName. This function can also remove Active Directory user accounts and groups from the local group the when the userName is prefixed with a domain name and a backslash "\".
SIDToAccountName ( string sid ) : string	Converts the given SID to the corresponding account name. If the sid cannot be converted to an account name, sid will be the return value.
SaveSettings ( ) : void	Saves settings for the UserInfo object to the config file if the PersistSettings property is set to true.
SetLocalUserPassword ( string userName, string password ) : void	Sets local user's password.
UserInfo ( string loginID ) : System	Initializes a new instance of the UserInfo class.
UserInfo ( string loginID, string ldapPath ) : System	Initializes a new instance of the UserInfo class.
UserIsInLocalGroup ( string groupName, string userName ) : bool	Determines if user is in the specified local groupName. This function will handle Windows service virtual accounts by specifying the complete virtual account name, such as `@"NT SERVICE\MyService"`, as the userName. This function can also detect Active Directory user accounts and groups that may exist in the local group when the userName is prefixed with a domain name and a backslash "\".
UserNameToSID ( string userName ) : string	Converts the given user name to the SID corresponding to that name. If the userName cannot be converted to a SID, userName will be the return value.

Private Methods

Method	Description
Dispose ( bool disposing ) : void	Releases the unmanaged resources used by the UserInfo object and optionally releases the managed resources.
GetNameElements ( string displayName ) : string[]
ValidateGroupName ( string groupName ) : string

Method Details

AddUserToLocalGroup() public static method

Adds an existing user to the specified local groupName.

This function will handle Windows service virtual accounts by specifying the complete virtual account name, such as @"NT SERVICE\MyService", as the userName. This function can also add Active Directory user accounts and groups to the local group the when the userName is prefixed with a domain name and a backslash "\".

or was null. No or was specified. Could not add user to local group.

public static AddUserToLocalGroup ( string groupName, string userName ) : bool
groupName	string	Group name to add local user to.
userName	string	Existing local user name.
return	bool

AuthenticateUser() public static method

Authenticates the specified user credentials.

This method always returns null under Mono deployments.

public static AuthenticateUser ( string domain, string userName, string password ) : IPrincipal
domain	string	Domain of user to authenticate.
userName	string	Username of user to authenticate.
password	string	Password of user to authenticate.
return	IPrincipal

AuthenticateUser() public static method

Authenticates the specified user credentials.

This method always returns null under Mono deployments.

public static AuthenticateUser ( string domain, string userName, string password, string &errorMessage ) : IPrincipal
domain	string	Domain of user to authenticate.
userName	string	Username of user to authenticate.
password	string	Password of user to authenticate.
errorMessage	string	Error message returned, if authentication fails.
return	IPrincipal

ChangePassword() public method

Attempts to change the user's password.

public ChangePassword ( string oldPassword, string newPassword ) : void
oldPassword	string	Old password.
newPassword	string	New password.
return	void

CreateLocalGroup() public static method

Creates a new local group if it does not exist already.

was null. No was specified. Could not create local group.

public static CreateLocalGroup ( string groupName, string groupDescription = null ) : bool
groupName	string	Group name to create if it doesn't exist.
groupDescription	string	Optional group description.
return	bool

CreateLocalUser() public static method

Creates a new local user if it does not exist already.

or was null. No was specified. Could not create local user.

public static CreateLocalUser ( string userName, string password, string userDescription = null ) : bool
userName	string	User name to create if it doesn't exist.
password	string	Password to user for new user.
userDescription	string	Optional user description.
return	bool

DefinePrivilegedAccount() public method

Defines the credentials of a privileged domain account that can be used for impersonation prior to the retrieval of user information from the Active Directory.

public DefinePrivilegedAccount ( string domain, string username, string password ) : void
domain	string	Domain of privileged domain user account.
username	string	Username of privileged domain user account.
password	string	Password of privileged domain user account.
return	void

Dispose() public method

Releases all the resources used by the UserInfo object.

public Dispose ( ) : void
return	void

EndImpersonation() public static method

Ends the impersonation of the specified user.

public static EndImpersonation ( System.Security.Principal.WindowsImpersonationContext impersonatedUser ) : void
impersonatedUser	System.Security.Principal.WindowsImpersonationContext	of the impersonated user.
return	void

GetBuiltInLocalGroups() public static method

Returns a sorted list of the common built-in local groups. On Windows these groups have a domain name of BUILTIN.

Names in this list will not have a "BUILTIN\" prefix.

public static GetBuiltInLocalGroups ( ) : string[]
return	string[]

GetLocalGroupUserList() public static method

Gets a list of users that exist in the specified local groupName.

was null. No was specified. Could not get members for local group.

public static GetLocalGroupUserList ( string groupName ) : string[]
groupName	string	Group name to remove local user from.
return	string[]

GetUserPropertyValue() public method

Returns the value for specified active directory property.

public GetUserPropertyValue ( string propertyName ) : string
propertyName	string	Name of the active directory property whose value is to be retrieved.
return	string

GroupNameToSID() public static method

Converts the given group name to the SID corresponding to that name.

If the groupName cannot be converted to a SID, groupName will be the return value.

public static GroupNameToSID ( string groupName ) : string
groupName	string	The group name for which to look up the SID.
return	string

ImpersonatePrivilegedAccount() public method

Impersonates the defined privileged domain account.

This method always returns null under Mono deployments.

public ImpersonatePrivilegedAccount ( ) : System.Security.Principal.WindowsImpersonationContext
return	System.Security.Principal.WindowsImpersonationContext

ImpersonateUser() public static method

Impersonates the specified user.

After impersonating a user the code executes under the impersonated user's identity.

This method always returns null under Mono deployments.

public static ImpersonateUser ( string domain, string userName, string password ) : System.Security.Principal.WindowsImpersonationContext
domain	string	Domain of user to impersonate.
userName	string	Username of user to impersonate.
password	string	Password of user to impersonate.
return	System.Security.Principal.WindowsImpersonationContext

Initialize() public method

Initializes the UserInfo object.

Failed to initialize directory entry for .

public Initialize ( ) : void
return	void

IsGroupSID() public static method

Determines whether the given security identifier identifies a group.

public static IsGroupSID ( string sid ) : bool
sid	string	The security identifier.
return	bool

IsLocalDomain() public static method

Determines if specified domain is the local domain (i.e., local machine).

public static IsLocalDomain ( string domain ) : bool
domain	string	Domain name to check.
return	bool

IsUserSID() public static method

Determines whether the given security identifier identifies a user account.

public static IsUserSID ( string sid ) : bool
sid	string	The security identifier.
return	bool

LoadSettings() public method

Loads saved settings for the UserInfo object from the config file if the PersistSettings property is set to true.

has a value of null or empty string.

public LoadSettings ( ) : void
return	void

LocalGroupExists() public static method

Determines if local group exists.

was null. No was specified.

public static LocalGroupExists ( string groupName ) : bool
groupName	string	Group name to test for existence.
return	bool

LocalUserExists() public static method

Determines if local user exists.

was null. No was specified.

public static LocalUserExists ( string userName ) : bool
userName	string	User name to test for existence.
return	bool

RemoveLocalGroup() public static method

Removes local group if it exists.

was null. No was specified. Could not remove local group.

public static RemoveLocalGroup ( string groupName ) : bool
groupName	string	Group name to remove if it exists.
return	bool

RemoveLocalUser() public static method

Removes local user if it exists.

was null. No was specified. Could not remove local user.

public static RemoveLocalUser ( string userName ) : bool
userName	string	User name to remove if it exists.
return	bool

RemoveUserFromLocalGroup() public static method

Removes an existing user from the specified local groupName.

This function will handle Windows service virtual accounts by specifying the complete virtual account name, such as @"NT SERVICE\MyService", as the userName. This function can also remove Active Directory user accounts and groups from the local group the when the userName is prefixed with a domain name and a backslash "\".

or was null. No or was specified. Could not remove user from local group.

public static RemoveUserFromLocalGroup ( string groupName, string userName ) : bool
groupName	string	Group name to remove local user from.
userName	string	Existing local user name.
return	bool

SIDToAccountName() public static method

Converts the given SID to the corresponding account name.

If the sid cannot be converted to an account name, sid will be the return value.

public static SIDToAccountName ( string sid ) : string
sid	string	The SID for which to look up the account name.
return	string

SaveSettings() public method

Saves settings for the UserInfo object to the config file if the PersistSettings property is set to true.

has a value of null or empty string.

public SaveSettings ( ) : void
return	void

SetLocalUserPassword() public static method

Sets local user's password.

or was null. No was specified or user does not exist. Could not set password for local user.

public static SetLocalUserPassword ( string userName, string password ) : void
userName	string	User name to change password for.
password	string	New password fro user.
return	void

UserInfo() public method

Initializes a new instance of the UserInfo class.

is a null or empty string.

public UserInfo ( string loginID ) : System
loginID	string	/// Login ID in 'domain\username' format of the user's account whose information is to be retrieved. Login ID /// can also be specified in 'username' format without the domain name, in which case the domain name will be /// approximated based on the privileged user domain if specified, default logon domain of the host machine /// if available, or the domain of the identity that owns the host process. ///
return	System

UserInfo() public method

Initializes a new instance of the UserInfo class.

is a null or empty string.

public UserInfo ( string loginID, string ldapPath ) : System
loginID	string	/// Login ID in 'domain\username' format of the user's account whose information is to be retrieved. Login ID /// can also be specified in 'username' format without the domain name, in which case the domain name will be /// approximated based on the privileged user domain if specified, default logon domain of the host machine /// if available, or the domain of the identity that owns the host process. ///
ldapPath	string	/// String in 'LDAP://' format that specifies the Active Directory node where search for the user starts. ///
return	System

UserIsInLocalGroup() public static method

Determines if user is in the specified local groupName.

This function will handle Windows service virtual accounts by specifying the complete virtual account name, such as @"NT SERVICE\MyService", as the userName. This function can also detect Active Directory user accounts and groups that may exist in the local group when the userName is prefixed with a domain name and a backslash "\".

or was null. No or was specified. Could not determine if user was in local group.

public static UserIsInLocalGroup ( string groupName, string userName ) : bool
groupName	string	Group name to test.
userName	string	User name to test.
return	bool

UserNameToSID() public static method

Converts the given user name to the SID corresponding to that name.

If the userName cannot be converted to a SID, userName will be the return value.

public static UserNameToSID ( string userName ) : string
userName	string	The user name for which to look up the SID.
return	string