private async Task GetMembership(GetMembershipDto dto)
{
if (!Request.IsAuthenticatedWithLti())
{
dto.StatusCode = StatusCodes.Status401Unauthorized;
return;
}
var ltiRequest = await Request.ParseLtiRequestAsync();
var signature = ltiRequest.GenerateSignature("secret");
if (!ltiRequest.Signature.Equals(signature))
{
dto.StatusCode = StatusCodes.Status401Unauthorized;
return;
}
if (dto.Role == Role.Learner)
{
dto.MembershipContainerPage = GetMembershipPage2(dto);
}
else
{
dto.MembershipContainerPage = dto.Page.HasValue ? GetMembershipPage2(dto) : GetMembershipPage1(dto);
}
dto.StatusCode = StatusCodes.Status200OK;
}
private MembershipContainerPage GetMembershipPage1(GetMembershipDto dto)
{
return(new MembershipContainerPage
{
Id = new Uri(Request.GetUri(), $"/ims/membership/1422554502{dto.Page}"),
NextPage = dto.Page.HasValue ? null : new Uri(Request.GetUri(), "/ims/membership?page=2").AbsoluteUri,
Differences = new Uri(Request.GetUri(), "/ims/membership?x=1422554502").AbsoluteUri,
MembershipContainer = new MembershipContainer
{
MembershipSubject = new Context
{
ContextId = "2923-abc",
Membership = new[]
{
new NetCore.Lis.v2.Membership
{
Member = new Person
{
SourcedId = "school.edu:user",
UserId = $"0ae836b9-7fc9-4060-006f-27b2066ac545{dto.Page}",
Email = "*****@*****.**",
FamilyName = "Public",
Name = "Jane Q. Public",
Image = new Uri("http://imsglobal.org/favicon.ico"),
GivenName = "Jane"
},
Message = new []
{
new
{
message_type = "basic-lti-launch-request",
lis_result_sourcedid = "83873872987329873264783687634",
ext = new
{
user_username = "******"
},
custom = new
{
country = "Canada",
user_mobile = "123-456-7890"
}
}
},
Role = new []
{
Role.Instructor
}
}
}
}
}
});
}
