// does the user have access to a file ?
public static bool HasFileAccess(int fileId)
{
MyDatabase db = new MyDatabase();
bool hasFileAccess = false;
if (IsSystemAdmin()) // yes, if you are a sys admin
{
hasFileAccess = true;
}
else
{
// What org does the file belong to?
File f = db.File.Find(fileId);
int FilesOrg = f.orgsId;
// Does the user belong to this org?
IEnumerable<OrgUserMappings> u = db.OrgUserMappings.Where(m => m.usersId == _userId && m.orgsId == FilesOrg);
if (u.Count() > 0)
{
hasFileAccess = true;
}
}
db.Dispose();
return hasFileAccess;
}
public static bool IsSystemAdmin()
{
MyDatabase db = new MyDatabase();
bool isSysAdmin = false;
var a = db.Users.Find(_userId);
if (a.isSystemAdmin)
{
isSysAdmin = true;
}
db.Dispose();
return isSysAdmin;
}
public override void OnAuthorization(HttpActionContext actionContext)
{
MyDatabase db = new MyDatabase();
try
{
// get api token from the user header ApiToken
IEnumerable<string> token = actionContext.Request.Headers.GetValues("ApiToken");
_apiToken = token.First();
// get facebook credential based on fb token passed in
IEnumerable<string> fbToken = actionContext.Request.Headers.GetValues("FbToken");
Debug.Write(fbToken.First());
_fbToken = fbToken.First();
// Check is user is Legit
// authenicated
if (_apiToken == _apiTokenSecret)
{
// the api token is good, is the facebook token valid ? and who are you ?
var client = new FacebookClient(_fbToken);
dynamic result = client.Get("me", new { fields = "name,id" });
// set the users identity
_fbUserid = result.id;
var _fbName = result.name;
if (_fbUserid != "")
{
// get the userid (internal id ) from the db - user.Id
var user = db.Users.Where(u => u.fbUserId == _fbUserid).FirstOrDefault();
// Brand new user to add
if (user == null)
{
//_isAuth = false;
// add user to db
Users newUser = new Users();
var now = DateTime.Now.ToString("O");
newUser.defaultOrg = 1;
newUser.fbUserId = _fbUserid;
newUser.created_at = now;
newUser.isSystemAdmin = false;
newUser.updated_at = now;
newUser.name = _fbName;
db.Users.Add(newUser);
db.SaveChanges();
// add the user to an org with there name as the orgName
Orgs newOrg = new Orgs();
newOrg.created_at = now;
newOrg.orgName = _fbName;
newOrg.updated_at = now;
// save new org to the Org DB
db.Orgs.Add(newOrg);
db.SaveChanges();
// Map user to the org that was just created and make him the admin
db.OrgUserMappings.Add(new OrgUserMappings { usersId = newUser.id, isOrgAdmin = true, orgsId = newOrg.id});
db.SaveChanges();
// set the default org for the user
newUser.defaultOrg = newOrg.id;
db.SaveChanges();
_userId = newUser.id;
// Set up the identity object that our Controllers can use
GenericIdentity identity = new GenericIdentity(_fbUserid);
System.Threading.Thread.CurrentPrincipal =
new GenericPrincipal(identity, _roles);
_isAuth = true;
}
else
{
_userId = user.id;
// Set up the identity object that our Controllers can use
GenericIdentity identity = new GenericIdentity(_fbUserid);
System.Threading.Thread.CurrentPrincipal =
new GenericPrincipal(identity, _roles);
_isAuth = true;
}
}
else
{
_isAuth = false;
}
}
// not authenicated
else
{
_isAuth = false;
}
//authenicated
if (_isAuth)
{
Debug.WriteLine("You're authenicated");
}
// not authenicated
else
{
// 417 - so we can specify a message
actionContext.Response = actionContext.Request.CreateResponse(HttpStatusCode.ExpectationFailed);
actionContext.Response.ReasonPhrase = "Invalid token";
actionContext.Response.Content = new StringContent("Invalid token");
}
}
catch (FacebookOAuthException e)
{
actionContext.Response = actionContext.Request.CreateResponse(HttpStatusCode.ExpectationFailed);
actionContext.Response.ReasonPhrase = e.Message;
actionContext.Response.Content = new StringContent(e.InnerException.ToString());
}
catch (FacebookApiLimitException e)
{
actionContext.Response = actionContext.Request.CreateResponse(HttpStatusCode.ExpectationFailed);
actionContext.Response.ReasonPhrase = e.Message;
actionContext.Response.Content = new StringContent(e.InnerException.ToString());
}
catch (FacebookApiException e)
{
actionContext.Response = actionContext.Request.CreateResponse(HttpStatusCode.ExpectationFailed);
actionContext.Response.ReasonPhrase = e.Message;
actionContext.Response.Content = new StringContent(e.InnerException.ToString());
}
catch (Exception e)
{
actionContext.Response = actionContext.Request.CreateResponse(HttpStatusCode.ExpectationFailed);
actionContext.Response.ReasonPhrase = e.Message;
actionContext.Response.Content = new StringContent(e.InnerException.ToString());
}
finally
{
db.Dispose();
}
}
public static bool IsOrgUser(int org)
{
MyDatabase db = new MyDatabase();
bool isOrgUser = false;
// system admins are automatically an org user
if (IsSystemAdmin())
{
isOrgUser = true;
}
else
{
var orgMap = db.OrgUserMappings.Include("Orgs").Where(o => o.orgsId == org);
foreach (var o in orgMap)
{
if (o.usersId == _userId)
{
isOrgUser = true;
break;
}
}
}
db.Dispose();
return isOrgUser;
}
public static bool IsOrgAdmin(int org)
{
MyDatabase db = new MyDatabase();
bool isOrgAdmin = false;
// system admins are admins for any org
if (IsSystemAdmin())
{
isOrgAdmin = true;
}
else
{
var orgMap = db.OrgUserMappings.Include("Orgs").Where(o => o.orgsId == org);
foreach (var o in orgMap)
{
if (o.usersId == _userId && o.isOrgAdmin == true)
{
isOrgAdmin = true;
break;
}
}
}
db.Dispose();
return isOrgAdmin;
}
// does the user have access to a response ?
// you must be the user who created the response, or the orgAdmin, or the Sysadmin
public static bool HasResponseAccess(int responseId)
{
MyDatabase db = new MyDatabase();
bool hasResponseAccess = false;
if (IsSystemAdmin()) // yes, if you are a sys admin
{
hasResponseAccess = true;
}
else
{
Responses responseSecurityCheck = db.Responses.Include("NewFileInstance").SingleOrDefault(r => r.id == responseId);
if (HasFileInstanceAccess(responseSecurityCheck.NewFileInstance))
{
hasResponseAccess = true;
}
}
db.Dispose();
return hasResponseAccess;
}
// does the user have access to a question ?
public static bool HasQuestionAccess(int questionId)
{
MyDatabase db = new MyDatabase();
bool hasQuestionAccess = false;
if (IsSystemAdmin()) // yes, if you are a sys admin
{
hasQuestionAccess = true;
}
else
{
// What file does the question belong to?
Questions q = db.Questions.Find(questionId);
// if you have access to the file, then you have access to the question
if (HasFileAccess(q.fileId))
{
hasQuestionAccess = true;
}
}
db.Dispose();
return hasQuestionAccess;
}
// does the user have access to a file instance (i.e his own file) by fileInstId ?
public static bool HasFileInstanceAccess(int fileInstId)
{
MyDatabase db = new MyDatabase();
bool hasAccess = false;
NewFileInstance newfileinstance = db.NewFileInstance.Find(fileInstId);
if (IsSystemAdmin()) //yes if you are a sys admin
{
hasAccess = true;
}
else
{
// yes if your userId is on the file
if (newfileinstance.userId == _userId)
{
hasAccess = true;
}
// yes if you are an orgAdmin
else
{
// What org does the fileInstance belong to?
File f = db.File.Find(newfileinstance.fileId);
int FilesOrg = f.orgsId;
// Is the user an admin of this org?
IEnumerable<OrgUserMappings> org = db.OrgUserMappings.Where(m => m.usersId == _userId && m.orgsId == FilesOrg && m.isOrgAdmin == true);
if (org.Count() > 0)
{
hasAccess = true;
}
}
}
db.Dispose();
return hasAccess;
}
