Diplomarbeit-Absolventenverein/oqtane.framework
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Permission-based authorization utilizing Policies

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This commit is contained in:
Shaun Walker
2019-08-27 17:14:41 -04:00
parent f037898c6e
commit 3ce7f1a227
54 changed files with 1104 additions and 388 deletions
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2
Oqtane.Client/Services/Interfaces/IUserService.cs
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@ -21,7 +21,5 @@ namespace Oqtane.Services
Task<User> LoginUserAsync(User User, bool SetCookie, bool IsPersistent);
Task LogoutUserAsync();
bool IsAuthorized(User User, string AccessControlList);
}
}

73
Oqtane.Client/Services/UserService.cs
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@ -67,78 +67,5 @@ namespace Oqtane.Services
// best practices recommend post is preferrable to get for logout
await http.PostJsonAsync(apiurl + "/logout", null);
}
// ACLs are stored in the format "!rolename1;![userid1];rolename2;rolename3;[userid2];[userid3]" where "!" designates Deny permissions
public bool IsAuthorized(User User, string AccessControlList)
{
bool isAllowed = false;
if (User != null)
{
// super user always has full access
isAllowed = User.IsSuperUser;
}
if (!isAllowed)
{
if (AccessControlList != null)
{
foreach (string permission in AccessControlList.Split(new[] { ';' }))
{
bool? allowed = VerifyPermission(User, permission);
if (allowed.HasValue)
{
isAllowed = allowed.Value;
break;
}
}
}
}
return isAllowed;
}
private bool? VerifyPermission(User user, string permission)
{
bool? allowed = null;
//permissions strings are encoded with deny permissions at the beginning and grant permissions at the end for optimal performance
if (!String.IsNullOrEmpty(permission))
{
// deny permission
if (permission.StartsWith("!"))
{
string denyRole = permission.Replace("!", "");
if (denyRole == Constants.AllUsersRole || IsAllowed(user, denyRole))
{
allowed = false;
}
}
else // grant permission
{
if (permission == Constants.AllUsersRole || IsAllowed(user, permission))
{
allowed = true;
}
}
}
return allowed;
}
private bool IsAllowed(User user, string permission)
{
if (user != null)
{
if ("[" + user.UserId + "]" == permission)
{
return true;
}
var roles = user.Roles;
if (roles != null)
{
return roles.IndexOf(";" + permission + ";") != -1;
}
}
return false;
}
}
}