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package org.tsugi.lti13.objects;
import java.util.ArrayList;
import java.util.List;
import com.fasterxml.jackson.annotation.JsonProperty;
import com.fasterxml.jackson.databind.annotation.JsonSerialize;
import org.tsugi.lti13.LTI13ConstantsUtil;
@JsonSerialize(include = JsonSerialize.Inclusion.NON_NULL)
// https://www.imsglobal.org/spec/lti-dr/v1p0#platform-configuration
// https://openid.net/specs/openid-connect-discovery-1_0.html#ProviderConfigurationResponse
/*
{
"issuer": "https://server.example.com",
"authorization_endpoint": "https://server.example.com/connect/authorize",
"token_endpoint": "https://server.example.com/connect/token",
"token_endpoint_auth_methods_supported": ["private_key_jwt"],
"token_endpoint_auth_signing_alg_values_supported": ["RS256"],
"jwks_uri": "https://server.example.com/jwks.json",
"registration_endpoint": "https://server.example.com/connect/register",
"scopes_supported": ["openid", "https://purl.imsglobal.org/spec/lti-gs/scope/contextgroup.readonly",
"https://purl.imsglobal.org/spec/lti-ags/scope/lineitem",
"https://purl.imsglobal.org/spec/lti-ags/scope/result.readonly",
"https://purl.imsglobal.org/spec/lti-ags/scope/score",
"https://purl.imsglobal.org/spec/lti-reg/scope/registration"],
"response_types_supported": ["id_token"],
"subject_types_supported": ["public", "pairwise"],
"id_token_signing_alg_values_supported":
["RS256", "ES256"],
"claims_supported":
["sub", "iss", "name", "given_name", "family_name", "nickname", "picture", "email", "locale"],
"https://purl.imsglobal.org/spec/lti-platform-configuration": {
"product_family_code": "ExampleLMS",
"messages_supported": [
{"type": "LtiResourceLinkRequest"},
{"type": "LtiDeepLinkingRequest"}],
"variables": ["CourseSection.timeFrame.end", "CourseSection.timeFrame.begin", "Context.id.history", "ResourceLink.id.history"]
}
}
*/
public class OpenIDProviderConfiguration extends org.tsugi.jackson.objects.JacksonBase {
// Platform's issuer value. As per IMS Security Framework and LTI Specification, the Issuer Identifier is
// a case-sensitive URL, using the HTTPS scheme, that contains scheme, host, and optionally, port number,
// and path components, and no query or fragment components.
@JsonProperty("issuer")
public String issuer;
// Response-only
@JsonProperty("client_id")
public String client_id;
// URL of the OAuth 2.0 Authorization Endpoint.
@JsonProperty("authorization_endpoint")
public String authorization_endpoint;
// URL of the endpoint for the tool to request a token to access LTI (and possibly other) services.
@JsonProperty("token_endpoint")
public String token_endpoint;
// Must contain private_key_jwt may offer additional values
@JsonProperty("token_endpoint_auth_methods_supported")
public List token_endpoint_auth_methods_supported = new ArrayList();
// Must contain RS256; may offer additional values.
@JsonProperty("token_endpoint_auth_signing_alg_values_supported")
public List token_endpoint_auth_signing_alg_values_supported = new ArrayList();
// URL of the Platform JWK Set endpoint; may be specific per registration if the platform's issued a dedicated discovery end-point for that registration.
@JsonProperty("jwks_uri")
public String jwks_uri;
// URL of the registration endpoint; may be a one time use only end-point and/or protected by access token.
@JsonProperty("registration_endpoint")
public String registration_endpoint;
// Must contain openid and the scopes of the supported LTI services; for example https://purl.imsglobal.org/spec/lti-ags/scope/score. It may contain other non LTI related scopes.
@JsonProperty("scopes_supported")
public List scopes_supported = new ArrayList();
// Must contain id_token; may offer additional values.
@JsonProperty("response_types_supported")
public List response_types_supported = new ArrayList();
// ?? "public", "pairwise"
// TODO: Document this in the spec
@JsonProperty("subject_types_supported")
public List subject_types_supported = new ArrayList();
// Must contain RS256; may offer additional values. LTI requires the use of asymmetric cryptographic signing algorithms.
@JsonProperty("id_token_signing_alg_values_supported")
public List id_token_signing_alg_values_supported = new ArrayList();
// opendid claims supported by this platform. LTI related claims should not be included unless specified otherwise as those are inferred by the message types.
@JsonProperty("claims_supported")
public List claims_supported = new ArrayList();
// The (optional) authorization server identifier to be used as the aud when requesting an access token.
// If not specified, the tool must use the token_endpoint as the aud value when requesting an access token.
@JsonProperty("authorization_server")
public String authorization_server;
@JsonProperty("https://purl.imsglobal.org/spec/lti-platform-configuration")
public LTIPlatformConfiguration lti_platform_configuration;
// Constructor
public OpenIDProviderConfiguration() {
this.token_endpoint_auth_methods_supported.add("private_key_jwt");
this.token_endpoint_auth_signing_alg_values_supported.add("RS256");
this.scopes_supported.add("openid");
this.response_types_supported.add("id_token");
this.id_token_signing_alg_values_supported.add("RS256");
this.claims_supported.add(LTI13ConstantsUtil.KEY_ISS);
this.claims_supported.add(LTI13ConstantsUtil.KEY_AUD);
this.subject_types_supported.add("public");
this.subject_types_supported.add("pairwise");
}
}
