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use chrono::{Duration, SecondsFormat, Utc}; use quick_xml::se::to_string as to_xml_string; use serde::Serialize; use crate::{get_cert_data, sp::ServiceProvider}; #[derive(Serialize)] pub struct AssertionConsumerService { #[serde(rename = "Binding")] binding: String, #[serde(rename = "Location")] location: String, index: String, } #[derive(Serialize)] pub struct SingleLogoutService { #[serde(rename = "Binding")] binding: String, #[serde(rename = "Location")] location: String, } #[derive(Serialize)] pub struct X509Certificate { #[serde(rename = "$value")] value: String, } #[derive(Serialize)] pub struct X509Data { #[serde(rename = "ds:X509Certificate")] x509_certificate: X509Certificate, } #[derive(Serialize)] pub struct KeyInfo { #[serde(rename = "xmlns:ds")] ds: String, #[serde(rename = "ds:X509Data")] x509_data: X509Data, } #[derive(Serialize)] pub struct KeyDescriptor { #[serde(rename = "use")] us: String, #[serde(rename = "ds:KeyInfo")] key_info: KeyInfo, } #[derive(Serialize)] pub struct SPSSODescriptor { #[serde(rename = "protocolSupportEnumeration")] protocol_support_enumeration: String, #[serde(rename = "md:KeyDescriptor")] key_descriptor: Vec<KeyDescriptor>, #[serde(rename = "md:SingleLogoutService")] single_logout_service: SingleLogoutService, #[serde(rename = "md:AssertionConsumerService")] assertion_consumer_service: AssertionConsumerService, } #[derive(Serialize)] #[serde(rename = "md:EntityDescriptor")] pub struct EntityDescriptor { #[serde(rename = "xmlns:md")] md: String, #[serde(rename = "xmlns:ds")] ds: String, #[serde(rename = "entityID")] entity_id: String, #[serde(rename = "validUntil")] valid_util: String, #[serde(rename = "md:SPSSODescriptor")] sp_sso_descriptor: SPSSODescriptor, } impl ServiceProvider { pub fn metadata(&self) -> String { let now = Utc::now(); let tomorrow = now + Duration::days(1); let cert_data = get_cert_data(&self.certificate); to_xml_string(&EntityDescriptor { md: "urn:oasis:names:tc:SAML:2.0:metadata".into(), ds: "http://www.w3.org/2000/09/xmldsig#".into(), entity_id: self.entity_id.to_string(), valid_util: tomorrow.to_rfc3339_opts(SecondsFormat::Millis, true), sp_sso_descriptor: SPSSODescriptor { protocol_support_enumeration: "urn:oasis:names:tc:SAML:1.1:protocol urn:oasis:names:tc:SAML:2.0:protocol" .into(), key_descriptor: vec![ KeyDescriptor { us: "signing".into(), key_info: KeyInfo { ds: "http://www.w3.org/2000/09/xmldsig#".into(), x509_data: X509Data { x509_certificate: X509Certificate { value: cert_data.clone(), }, }, }, }, KeyDescriptor { us: "encryption".into(), key_info: KeyInfo { ds: "http://www.w3.org/2000/09/xmldsig#".into(), x509_data: X509Data { x509_certificate: X509Certificate { value: cert_data }, }, }, }, ], single_logout_service: SingleLogoutService { binding: "urn:oasis:names:tc:SAML:2.0:bindings:HTTP-Redirect".into(), location: self.assert_logout.to_string(), }, assertion_consumer_service: AssertionConsumerService { binding: "urn:oasis:names:tc:SAML:2.0:bindings:HTTP-POST".into(), location: self.assert_login.to_string(), index: "0".into(), }, }, }) .unwrap() } }