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using PX.Data;
using System;
using System.Text;
using System.Web.Http;
using System.Web.Http.Controllers;
using System.Web.Http.Filters;
namespace CustomController.Helpers
{
public sealed class BasicAuthorizeAttribute : AuthorizationFilterAttribute
{
public BasicAuthorizeAttribute()
{
}
public override void OnAuthorization(HttpActionContext actionContext)
{
bool authorized = false,
allowAnonymous = false,
missingCredentials = false;
var anonActionAttributes = actionContext.ActionDescriptor.GetCustomAttributes<AllowAnonymousAttribute>(true);
var anonControllerAttributes = actionContext.ActionDescriptor.ControllerDescriptor.GetCustomAttributes<AllowAnonymousAttribute>(true);
if (anonActionAttributes.Count > 0 || anonControllerAttributes.Count > 0)
allowAnonymous = true;
var authorizeHeader = actionContext.Request.Headers.Authorization;
if (authorizeHeader != null && authorizeHeader.Scheme.Equals("basic", StringComparison.OrdinalIgnoreCase) && !string.IsNullOrEmpty(authorizeHeader.Parameter))
{
var encoding = Encoding.GetEncoding("ISO-8859-1");
var credintials = encoding.GetString(Convert.FromBase64String(authorizeHeader.Parameter));
var splitted = credintials.Split(':');
if (splitted.Length < 2)
actionContext.Response = new Util.UnauthorizedMessage();
else
{
string company = string.Empty;
string username = string.Empty;
string password = string.Empty;
if (splitted.Length>2)
{
company = splitted[0].ToUpper();
username = splitted[1].ToUpper();
password = splitted[2];
}
else if(splitted.Length==2)
{
username = splitted[0].ToUpper();
password = splitted[1];
}
if (!string.IsNullOrWhiteSpace(username) && !string.IsNullOrWhiteSpace(password))
{
var userName = PXLogin.ConcatLogin(username, company);
var retVal = PXLogin.LoginUser(ref userName,password);
if (retVal)
{
authorized = true;
}
}
else
missingCredentials = true;
}
}
else
missingCredentials = true;
if(!allowAnonymous && missingCredentials)
actionContext.Response = new Util.ErrorMessage { Message = "Credentials are missing (protocol error)." };
else if (!allowAnonymous && !authorized)
actionContext.Response = new Util.UnauthorizedMessage();
}
}
}
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