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using System;
using System.Globalization;
using System.Linq;
using System.Security.Claims;
using System.Threading.Tasks;
using System.Web;
using System.Web.Mvc;
using Microsoft.AspNet.Identity;
using Microsoft.AspNet.Identity.Owin;
using Microsoft.Owin.Security;
using Project_Unite.Models;
using System.Text;
using System.Net;
using System.Web.Script.Serialization;
namespace Project_Unite.Controllers
{
public class AuthController : Controller
{
public JavaScriptSerializer Serializer
{
get; set;
}
//I'll put those curly braces on their own line just to piss a certain smiley off.
public AuthController()
{
Serializer = new JavaScriptSerializer();
}
private ApplicationSignInManager _signInManager = null;
private ApplicationUserManager _userManager = null;
public ApplicationSignInManager SignInManager
{
get
{
return _signInManager ?? HttpContext.GetOwinContext().Get<ApplicationSignInManager>();
}
private set
{
_signInManager = value;
}
}
public ApplicationUserManager UserManager
{
get
{
return _userManager ?? HttpContext.GetOwinContext().GetUserManager<ApplicationUserManager>();
}
private set
{
_userManager = value;
}
}
[AllowAnonymous]
public async Task<ActionResult> Register(string appname, string appdesc, string version, string displayname, string sysname)
{
try
{
string authHeader = Request.Headers["Authentication"];
string b64_auth = authHeader.Remove(0, 6); //get rid of the "Basic " text.
byte[] data = Convert.FromBase64String(b64_auth);
string plaintext = Encoding.UTF8.GetString(data);
string[] split = plaintext.Split(':');
string username = split[0];
string password = split[1];
using (var temp = new ApplicationDbContext())
{
if (temp.Users.FirstOrDefault(x => x.DisplayName == displayname) != null)
{
return Content(Serializer.Serialize(new Exception("That display name has already been taken.")));
}
}
var user = new ApplicationUser { UserName = username, Email = username, DisplayName = displayname, Codepoints = 0, JoinedAt = DateTime.Now, MutedAt = DateTime.Now, BannedAt = DateTime.Now, LastLogin = DateTime.Now, SystemName = sysname };
var result = await UserManager.CreateAsync(user, password);
if (result.Succeeded)
{
await SignInManager.SignInAsync(user, isPersistent: false, rememberBrowser: false);
// For more information on how to enable account confirmation and password reset please visit http://go.microsoft.com/fwlink/?LinkID=320771
// Send an email with this link
string code = await UserManager.GenerateEmailConfirmationTokenAsync(user.Id);
var callbackUrl = Url.Action("ConfirmEmail", "Account", new { userId = user.Id, code = code }, protocol: Request.Url.Scheme);
await UserManager.SendEmailAsync(user.Id, "Confirm your account", "Please confirm your account by clicking <a href=\"" + callbackUrl + "\">here</a>");
UserManager.AddToRole(user.Id, ACL.LowestPriorityRole().Name);
var db = new ApplicationDbContext();
var auth_token = db.OAuthTokens.Where(x => x.UserId == user.Id).FirstOrDefault(x => x.AppName == appname && x.AppDescription == appdesc && x.Version == version);
if (auth_token == null)
{
auth_token = new Models.OAuthToken
{
Id = Guid.NewGuid().ToString(),
UserId = user.Id,
AppName = appname,
AppDescription = appdesc,
Version = version
};
db.OAuthTokens.Add(auth_token);
db.SaveChanges();
return Content(auth_token.Id);
}
else
{
return Content(auth_token.Id);
}
}
return Content(Serializer.Serialize(new Exception("Registration failed because a similar account already exists.")));
}
catch
{
return new HttpStatusCodeResult(HttpStatusCode.BadRequest);
}
}
[AllowAnonymous]
public async Task<ActionResult> Login(string appname, string appdesc, string version)
{
try
{
string authHeader = Request.Headers["Authentication"];
string b64_auth = authHeader.Remove(0, 6); //get rid of the "Basic " text.
byte[] data = Convert.FromBase64String(b64_auth);
string plaintext = Encoding.UTF8.GetString(data);
string[] split = plaintext.Split(':');
string username = split[0];
string password = split[1];
var result = await SignInManager.PasswordSignInAsync(username, password, false, false);
if(result == Microsoft.AspNet.Identity.Owin.SignInStatus.Success)
{
var db = new ApplicationDbContext();
var user = db.Users.FirstOrDefault(x => x.UserName == username);
var auth_token = db.OAuthTokens.Where(x => x.UserId == user.Id).FirstOrDefault(x => x.AppName == appname && x.AppDescription == appdesc && x.Version == version);
if(auth_token == null)
{
auth_token = new Models.OAuthToken
{
Id = Guid.NewGuid().ToString(),
UserId = user.Id,
AppName = appname,
AppDescription = appdesc,
Version = version
};
db.OAuthTokens.Add(auth_token);
db.SaveChanges();
return Content(auth_token.Id);
}
else
{
return Content(auth_token.Id);
}
}
else
{
return new HttpStatusCodeResult(403);
}
}
catch(Exception ex)
{
var db = new ApplicationDbContext();
db.AuditLogs.Add(new Models.AuditLog("system", AuditLogLevel.Admin, "<b>The following error occurred during an OAuth2 authentication.</b><br/>" + ex.ToString()));
db.SaveChanges();
return new HttpStatusCodeResult(HttpStatusCode.BadRequest);
}
}
}
}
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