diff --git a/crates/api_models/src/payments.rs b/crates/api_models/src/payments.rs index 648df7b05a..e96806db89 100644 --- a/crates/api_models/src/payments.rs +++ b/crates/api_models/src/payments.rs @@ -2990,6 +2990,15 @@ pub enum AdditionalPaymentData { }, } +impl AdditionalPaymentData { + pub fn get_additional_card_info(&self) -> Option { + match self { + Self::Card(additional_card_info) => Some(*additional_card_info.clone()), + _ => None, + } + } +} + #[derive(Debug, Clone, Eq, PartialEq, serde::Deserialize, serde::Serialize)] pub struct KlarnaSdkPaymentMethod { pub payment_type: Option, diff --git a/crates/common_types/src/three_ds_decision_rule_engine.rs b/crates/common_types/src/three_ds_decision_rule_engine.rs index 9a7a7bc24e..7280b3232a 100644 --- a/crates/common_types/src/three_ds_decision_rule_engine.rs +++ b/crates/common_types/src/three_ds_decision_rule_engine.rs @@ -37,6 +37,13 @@ pub enum ThreeDSDecision { } impl_to_sql_from_sql_json!(ThreeDSDecision); +impl ThreeDSDecision { + /// Checks if the decision is to mandate a 3DS challenge + pub fn should_force_3ds_challenge(self) -> bool { + matches!(self, Self::ChallengeRequested) + } +} + /// Struct representing the output configuration for the 3DS Decision Rule Engine. #[derive( Serialize, Default, Deserialize, Debug, Clone, PartialEq, Eq, FromSqlRow, AsExpression, ToSchema, diff --git a/crates/hyperswitch_domain_models/src/business_profile.rs b/crates/hyperswitch_domain_models/src/business_profile.rs index 8f239ef62e..c4d8b7dbc0 100644 --- a/crates/hyperswitch_domain_models/src/business_profile.rs +++ b/crates/hyperswitch_domain_models/src/business_profile.rs @@ -1,5 +1,5 @@ use common_enums::enums as api_enums; -use common_types::primitive_wrappers; +use common_types::{domain::AcquirerConfig, primitive_wrappers}; use common_utils::{ crypto::{OptionalEncryptableName, OptionalEncryptableValue}, date_time, @@ -1197,6 +1197,23 @@ impl Profile { self.external_vault_connector_details.is_some() } + #[cfg(feature = "v1")] + pub fn get_acquirer_details_from_network( + &self, + network: common_enums::CardNetwork, + ) -> Option { + // iterate over acquirer_config_map and find the acquirer config for the given network + self.acquirer_config_map + .as_ref() + .and_then(|acquirer_config_map| { + acquirer_config_map + .0 + .iter() + .find(|&(_, acquirer_config)| acquirer_config.network == network) + }) + .map(|(_, acquirer_config)| acquirer_config.clone()) + } + #[cfg(feature = "v1")] pub fn get_payment_routing_algorithm( &self, diff --git a/crates/router/src/core/payments.rs b/crates/router/src/core/payments.rs index e3fdf6e1ca..d78e8f6b57 100644 --- a/crates/router/src/core/payments.rs +++ b/crates/router/src/core/payments.rs @@ -514,6 +514,11 @@ where ) .await; + operation + .to_domain()? + .apply_three_ds_authentication_strategy(state, &mut payment_data, &business_profile) + .await?; + let should_add_task_to_process_tracker = should_add_task_to_process_tracker(&payment_data); let locale = header_payload.locale.clone(); @@ -1533,8 +1538,7 @@ where Ok(payment_dsl_data .payment_attempt .authentication_type - .or(output.override_3ds) - .or(Some(storage_enums::AuthenticationType::NoThreeDs))) + .or(output.override_3ds)) } // TODO: Move to business profile surcharge column diff --git a/crates/router/src/core/payments/operations.rs b/crates/router/src/core/payments/operations.rs index fb42b2016c..9823c7abee 100644 --- a/crates/router/src/core/payments/operations.rs +++ b/crates/router/src/core/payments/operations.rs @@ -398,6 +398,16 @@ pub trait Domain: Send + Sync { Ok(()) } + /// This function is used to apply the 3DS authentication strategy + async fn apply_three_ds_authentication_strategy<'a>( + &'a self, + _state: &SessionState, + _payment_data: &mut D, + _business_profile: &domain::Profile, + ) -> CustomResult<(), errors::ApiErrorResponse> { + Ok(()) + } + // #[cfg(feature = "v2")] // async fn call_connector<'a, RouterDataReq>( // &'a self, diff --git a/crates/router/src/core/payments/operations/payment_confirm.rs b/crates/router/src/core/payments/operations/payment_confirm.rs index 944f2852b1..4f4ca16b8d 100644 --- a/crates/router/src/core/payments/operations/payment_confirm.rs +++ b/crates/router/src/core/payments/operations/payment_confirm.rs @@ -38,6 +38,7 @@ use crate::{ self, helpers, operations, populate_surcharge_details, CustomerDetails, PaymentAddress, PaymentData, }, + three_ds_decision_rule, unified_authentication_service::{ self as uas_utils, types::{ClickToPay, UnifiedAuthenticationService}, @@ -51,7 +52,7 @@ use crate::{ api::{self, ConnectorCallType, PaymentIdTypeExt}, domain::{self}, storage::{self, enums as storage_enums}, - transformers::ForeignFrom, + transformers::{ForeignFrom, ForeignInto}, }, utils::{self, OptionExt}, }; @@ -1093,6 +1094,110 @@ impl Domain> for Ok(()) } + async fn apply_three_ds_authentication_strategy<'a>( + &'a self, + state: &SessionState, + payment_data: &mut PaymentData, + business_profile: &domain::Profile, + ) -> CustomResult<(), errors::ApiErrorResponse> { + // If the business profile has a three_ds_decision_rule_algorithm, we will use it to determine the 3DS strategy (authentication_type, exemption_type and force_three_ds_challenge) + if let Some(three_ds_decision_rule) = + business_profile.three_ds_decision_rule_algorithm.clone() + { + // Parse the three_ds_decision_rule to get the algorithm_id + let algorithm_id = three_ds_decision_rule + .parse_value::("RoutingAlgorithmRef") + .change_context(errors::ApiErrorResponse::InternalServerError) + .attach_printable("Could not decode profile routing algorithm ref")? + .algorithm_id + .ok_or(errors::ApiErrorResponse::InternalServerError) + .attach_printable("No algorithm_id found in three_ds_decision_rule_algorithm")?; + // get additional card info from payment data + let additional_card_info = payment_data + .payment_attempt + .payment_method_data + .as_ref() + .map(|payment_method_data| { + payment_method_data + .clone() + .parse_value::( + "additional_payment_method_data", + ) + }) + .transpose() + .change_context(errors::ApiErrorResponse::InternalServerError) + .attach_printable("unable to parse value into additional_payment_method_data")? + .and_then(|additional_payment_method_data| { + additional_payment_method_data.get_additional_card_info() + }); + // get acquirer details from business profile based on card network + let acquirer_config = additional_card_info.as_ref().and_then(|card_info| { + card_info + .card_network + .clone() + .and_then(|network| business_profile.get_acquirer_details_from_network(network)) + }); + // get three_ds_decision_rule_output using algorithm_id and payment data + let decision = three_ds_decision_rule::get_three_ds_decision_rule_output( + state, + &business_profile.merchant_id, + api_models::three_ds_decision_rule::ThreeDsDecisionRuleExecuteRequest { + routing_id: algorithm_id, + payment: api_models::three_ds_decision_rule::PaymentData { + amount: payment_data.payment_intent.amount, + currency: payment_data + .payment_intent + .currency + .ok_or(errors::ApiErrorResponse::InternalServerError) + .attach_printable("currency is not set in payment intent")?, + }, + payment_method: Some( + api_models::three_ds_decision_rule::PaymentMethodMetaData { + card_network: additional_card_info + .as_ref() + .and_then(|info| info.card_network.clone()), + }, + ), + issuer: Some(api_models::three_ds_decision_rule::IssuerData { + name: additional_card_info + .as_ref() + .and_then(|info| info.card_issuer.clone()), + country: additional_card_info + .as_ref() + .map(|info| info.card_issuing_country.clone().parse_enum("Country")) + .transpose() + .change_context(errors::ApiErrorResponse::InternalServerError) + .attach_printable( + "Error while getting country enum from issuer country", + )?, + }), + customer_device: None, + acquirer: acquirer_config.as_ref().map(|acquirer| { + api_models::three_ds_decision_rule::AcquirerData { + country: Some(common_enums::Country::from_alpha2( + acquirer.merchant_country_code, + )), + fraud_rate: Some(acquirer.acquirer_fraud_rate), + } + }), + }, + ) + .await?; + logger::info!("Three DS Decision Rule Output: {:?}", decision); + // We should update authentication_type from the Three DS Decision if it is not already set + if payment_data.payment_attempt.authentication_type.is_none() { + payment_data.payment_attempt.authentication_type = + Some(common_enums::AuthenticationType::foreign_from(decision)); + } + // We should update psd2_sca_exemption_type from the Three DS Decision + payment_data.payment_intent.psd2_sca_exemption_type = decision.foreign_into(); + // We should update force_3ds_challenge from the Three DS Decision + payment_data.payment_intent.force_3ds_challenge = + decision.should_force_3ds_challenge().then_some(true); + } + Ok(()) + } + #[allow(clippy::too_many_arguments)] async fn call_unified_authentication_service_if_eligible<'a>( &'a self, diff --git a/crates/router/src/core/payments/transformers.rs b/crates/router/src/core/payments/transformers.rs index 65f526af2e..23b856a8b9 100644 --- a/crates/router/src/core/payments/transformers.rs +++ b/crates/router/src/core/payments/transformers.rs @@ -5317,3 +5317,43 @@ impl From for domain::NetworkTokenData { } } } + +impl ForeignFrom + for common_enums::AuthenticationType +{ + fn foreign_from( + three_ds_decision: common_types::three_ds_decision_rule_engine::ThreeDSDecision, + ) -> Self { + match three_ds_decision { + common_types::three_ds_decision_rule_engine::ThreeDSDecision::NoThreeDs => Self::NoThreeDs, + common_types::three_ds_decision_rule_engine::ThreeDSDecision::ChallengeRequested + | common_types::three_ds_decision_rule_engine::ThreeDSDecision::ChallengePreferred + | common_types::three_ds_decision_rule_engine::ThreeDSDecision::ThreeDsExemptionRequestedTra + | common_types::three_ds_decision_rule_engine::ThreeDSDecision::ThreeDsExemptionRequestedLowValue + | common_types::three_ds_decision_rule_engine::ThreeDSDecision::IssuerThreeDsExemptionRequested => Self::ThreeDs, + } + } +} + +impl ForeignFrom + for Option +{ + fn foreign_from( + three_ds_decision: common_types::three_ds_decision_rule_engine::ThreeDSDecision, + ) -> Self { + match three_ds_decision { + common_types::three_ds_decision_rule_engine::ThreeDSDecision::ThreeDsExemptionRequestedTra => { + Some(common_enums::ScaExemptionType::TransactionRiskAnalysis) + } + common_types::three_ds_decision_rule_engine::ThreeDSDecision::ThreeDsExemptionRequestedLowValue => { + Some(common_enums::ScaExemptionType::LowValue) + } + common_types::three_ds_decision_rule_engine::ThreeDSDecision::NoThreeDs + | common_types::three_ds_decision_rule_engine::ThreeDSDecision::ChallengeRequested + | common_types::three_ds_decision_rule_engine::ThreeDSDecision::ChallengePreferred + | common_types::three_ds_decision_rule_engine::ThreeDSDecision::IssuerThreeDsExemptionRequested => { + None + } + } + } +} diff --git a/crates/router/src/core/three_ds_decision_rule.rs b/crates/router/src/core/three_ds_decision_rule.rs index b11f41548b..a65ad9742c 100644 --- a/crates/router/src/core/three_ds_decision_rule.rs +++ b/crates/router/src/core/three_ds_decision_rule.rs @@ -26,13 +26,27 @@ pub async fn execute_three_ds_decision_rule( merchant_context: MerchantContext, request: api_models::three_ds_decision_rule::ThreeDsDecisionRuleExecuteRequest, ) -> RouterResponse { + let decision = get_three_ds_decision_rule_output( + &state, + merchant_context.get_merchant_account().get_id(), + request.clone(), + ) + .await?; + // Construct response + let response = + api_models::three_ds_decision_rule::ThreeDsDecisionRuleExecuteResponse { decision }; + Ok(services::ApplicationResponse::Json(response)) +} + +pub async fn get_three_ds_decision_rule_output( + state: &SessionState, + merchant_id: &common_utils::id_type::MerchantId, + request: api_models::three_ds_decision_rule::ThreeDsDecisionRuleExecuteRequest, +) -> errors::RouterResult { let db = state.store.as_ref(); // Retrieve the rule from database let routing_algorithm = db - .find_routing_algorithm_by_algorithm_id_merchant_id( - &request.routing_id, - merchant_context.get_merchant_account().get_id(), - ) + .find_routing_algorithm_by_algorithm_id_merchant_id(&request.routing_id, merchant_id) .await .to_not_found_response(errors::ApiErrorResponse::ResourceIdNotFound)?; let algorithm: Algorithm = routing_algorithm @@ -59,11 +73,7 @@ pub async fn execute_three_ds_decision_rule( // Apply PSD2 validations to the decision let final_decision = utils::apply_psd2_validations_during_execute(result.get_output().get_decision(), &request); - // Construct response - let response = api_models::three_ds_decision_rule::ThreeDsDecisionRuleExecuteResponse { - decision: final_decision, - }; - Ok(services::ApplicationResponse::Json(response)) + Ok(final_decision) } #[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]