, . OpenID.
, , System.Web.Security.RoleProvider. , . , , RoleProvider .
, web.config. system.web.
<roleManager enabled="true" defaultProvider="Database">
<providers>
<add name="Database" type="MyRoleProvider" />
</providers>
</roleManager>
, - OpenID. Linq Entities, .
public class MyRoleProvider : RoleProvider {
public override string ApplicationName {
get { throw new NotImplementedException(); }
set { throw new NotImplementedException(); }
}
public override void AddUsersToRoles(string[] usernames, string[] roleNames) {
var users = from token in Global.DataContext.AuthenticationToken
where usernames.Contains(token.ClaimedIdentifier)
select token.User;
var roles = from role in Global.DataContext.Role
where roleNames.Contains(role.Name, StringComparer.OrdinalIgnoreCase)
select role;
foreach (User user in users) {
foreach (Role role in roles) {
user.Roles.Add(role);
}
}
}
public override void RemoveUsersFromRoles(string[] usernames, string[] roleNames) {
var users = from token in Global.DataContext.AuthenticationToken
where usernames.Contains(token.ClaimedIdentifier)
select token.User;
var roles = from role in Global.DataContext.Role
where roleNames.Contains(role.Name, StringComparer.OrdinalIgnoreCase)
select role;
foreach (User user in users) {
foreach (Role role in roles) {
user.Roles.Remove(role);
}
}
}
public override void CreateRole(string roleName) {
Global.DataContext.AddToRole(new Role { Name = roleName });
}
public override bool DeleteRole(string roleName, bool throwOnPopulatedRole) {
Role role = Global.DataContext.Role.SingleOrDefault(r => r.Name == roleName);
if (role == null) {
return false;
}
if (throwOnPopulatedRole && role.Users.Count > 0) {
throw new InvalidOperationException();
}
Global.DataContext.DeleteObject(roleName);
return true;
}
public override string[] FindUsersInRole(string roleName, string usernameToMatch) {
return (from role in Global.DataContext.Role
where role.Name == roleName
from user in role.Users
from authTokens in user.AuthenticationTokens
where authTokens.ClaimedIdentifier == usernameToMatch
select authTokens.ClaimedIdentifier).ToArray();
}
public override string[] GetAllRoles() {
return Global.DataContext.Role.Select(role => role.Name).ToArray();
}
public override string[] GetRolesForUser(string username) {
return (from authToken in Global.DataContext.AuthenticationToken
where authToken.ClaimedIdentifier == username
from role in authToken.User.Roles
select role.Name).ToArray();
}
public override string[] GetUsersInRole(string roleName) {
return (from role in Global.DataContext.Role
where string.Equals(role.Name, roleName, StringComparison.OrdinalIgnoreCase)
from user in role.Users
from token in user.AuthenticationTokens
select token.ClaimedIdentifier).ToArray();
}
public override bool IsUserInRole(string username, string roleName) {
Role role = Global.DataContext.Role.SingleOrDefault(r => string.Equals(r.Name, roleName, StringComparison.OrdinalIgnoreCase));
if (role != null) {
return role.Users.Any(user => user.AuthenticationTokens.Any(token => token.ClaimedIdentifier == username));
}
return false;
}
public override bool RoleExists(string roleName) {
return Global.DataContext.Role.Any(role => string.Equals(role.Name, roleName, StringComparison.OrdinalIgnoreCase));
}
}