feat(pm_auth): Added /link and /exchange APIs with corresponding changes

juspay · Dec 4, 2023 · eccf642 · eccf642
1 parent 643da1e
commit eccf642
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diff --git a/Cargo.lock b/Cargo.lock
diff --git a/config/development.toml b/config/development.toml
@@ -243,7 +243,7 @@ adyen = { banks = "blik_psp,place_zipko,m_bank,pay_with_ing,santander_przelew24,
 stripe = { banks = "alior_bank,bank_millennium,bank_nowy_bfg_sa,bank_pekao_sa,banki_spbdzielcze,blik,bnp_paribas,boz,citi,credit_agricole,e_transfer_pocztowy24,getin_bank,idea_bank,inteligo,mbank_mtransfer,nest_przelew,noble_pay,pbac_z_ipko,plus_bank,santander_przelew24,toyota_bank,volkswagen_bank" }
 
 [bank_config.open_banking_uk]
-adyen = { banks = "aib,bank_of_scotland,danske_bank,first_direct,first_trust,halifax,lloyds,monzo,nat_west,nationwide_bank,royal_bank_of_scotland,starling,tsb_bank,tesco_bank,ulster_bank,barclays,hsbc_bank,revolut,santander_przelew24,open_bank_success,open_bank_failure,open_bank_cancelled"}
+adyen = { banks = "aib,bank_of_scotland,danske_bank,first_direct,first_trust,halifax,lloyds,monzo,nat_west,nationwide_bank,royal_bank_of_scotland,starling,tsb_bank,tesco_bank,ulster_bank,barclays,hsbc_bank,revolut,santander_przelew24,open_bank_success,open_bank_failure,open_bank_cancelled" }
 
 [bank_config.online_banking_fpx]
 adyen.banks = "affin_bank,agro_bank,alliance_bank,am_bank,bank_islam,bank_muamalat,bank_rakyat,bank_simpanan_nasional,cimb_bank,hong_leong_bank,hsbc_bank,kuwait_finance_house,may_bank,ocbc_bank,public_bank,rhb_bank,standard_chartered_bank,uob_bank"
@@ -292,45 +292,45 @@ giropay = { country = "DE", currency = "EUR" }
 eps = { country = "AT", currency = "EUR" }
 sofort = { country = "ES,UK,SE,AT,NL,DE,CH,BE,FR,FI,IT,PL", currency = "EUR" }
 ideal = { country = "NL", currency = "EUR" }
-blik = {country = "PL", currency = "PLN"}
-trustly = {country = "ES,UK,SE,NO,AT,NL,DE,DK,FI,EE,LT,LV", currency = "CZK,DKK,EUR,GBP,NOK,SEK"}
-online_banking_czech_republic = {country = "CZ", currency = "EUR,CZK"}
-online_banking_finland = {country = "FI", currency = "EUR"}
-online_banking_poland = {country = "PL", currency = "PLN"}
-online_banking_slovakia = {country = "SK", currency = "EUR,CZK"}
-bancontact_card = {country = "BE", currency = "EUR"}
-ach = {country = "US", currency = "USD"}
-bacs = {country = "UK", currency = "GBP"}
-sepa = {country = "ES,SK,AT,NL,DE,BE,FR,FI,PT,IE,EE,LT,LV,IT", currency = "EUR"}
-ali_pay_hk = {country = "HK", currency = "HKD"}
-bizum = {country = "ES", currency = "EUR"}
-go_pay = {country = "ID", currency = "IDR"}
-kakao_pay = {country = "KR", currency = "KRW"}
-momo = {country = "VN", currency = "VND"}
-gcash = {country = "PH", currency = "PHP"}
-online_banking_fpx = {country = "MY", currency = "MYR"}
-online_banking_thailand = {country = "TH", currency = "THB"}
-touch_n_go = {country = "MY", currency = "MYR"}
-atome = {country = "MY,SG", currency = "MYR,SGD"}
-swish = {country = "SE", currency = "SEK"}
-permata_bank_transfer = {country = "ID", currency = "IDR"}
-bca_bank_transfer = {country = "ID", currency = "IDR"}
-bni_va = {country = "ID", currency = "IDR"}
-bri_va = {country = "ID", currency = "IDR"}
-cimb_va = {country = "ID", currency = "IDR"}
-danamon_va = {country = "ID", currency = "IDR"}
-mandiri_va = {country = "ID", currency = "IDR"}
-alfamart = {country = "ID", currency = "IDR"}
-indomaret = {country = "ID", currency = "IDR"}
-open_banking_uk = {country = "GB", currency = "GBP"}
-oxxo = {country = "MX", currency = "MXN"}
-pay_safe_card = {country = "AT,AU,BE,BR,BE,CA,HR,CY,CZ,DK,FI,FR,GE,DE,GI,HU,IS,IE,KW,LV,IE,LI,LT,LU,MT,MX,MD,ME,NL,NZ,NO,PY,PE,PL,PT,RO,SA,RS,SK,SI,ES,SE,CH,TR,UAE,UK,US,UY", currency = "EUR,AUD,BRL,CAD,CZK,DKK,GEL,GIP,HUF,ISK,KWD,CHF,MXN,MDL,NZD,NOK,PYG,PEN,PLN,RON,SAR,RSD,SEK,TRY,AED,GBP,USD,UYU"}
-seven_eleven = {country = "JP", currency = "JPY"}
-lawson = {country = "JP", currency = "JPY"}
-mini_stop = {country = "JP", currency = "JPY"}
-family_mart = {country = "JP", currency = "JPY"}
-seicomart = {country = "JP", currency = "JPY"}
-pay_easy = {country = "JP", currency = "JPY"}
+blik = { country = "PL", currency = "PLN" }
+trustly = { country = "ES,UK,SE,NO,AT,NL,DE,DK,FI,EE,LT,LV", currency = "CZK,DKK,EUR,GBP,NOK,SEK" }
+online_banking_czech_republic = { country = "CZ", currency = "EUR,CZK" }
+online_banking_finland = { country = "FI", currency = "EUR" }
+online_banking_poland = { country = "PL", currency = "PLN" }
+online_banking_slovakia = { country = "SK", currency = "EUR,CZK" }
+bancontact_card = { country = "BE", currency = "EUR" }
+ach = { country = "US", currency = "USD" }
+bacs = { country = "UK", currency = "GBP" }
+sepa = { country = "ES,SK,AT,NL,DE,BE,FR,FI,PT,IE,EE,LT,LV,IT", currency = "EUR" }
+ali_pay_hk = { country = "HK", currency = "HKD" }
+bizum = { country = "ES", currency = "EUR" }
+go_pay = { country = "ID", currency = "IDR" }
+kakao_pay = { country = "KR", currency = "KRW" }
+momo = { country = "VN", currency = "VND" }
+gcash = { country = "PH", currency = "PHP" }
+online_banking_fpx = { country = "MY", currency = "MYR" }
+online_banking_thailand = { country = "TH", currency = "THB" }
+touch_n_go = { country = "MY", currency = "MYR" }
+atome = { country = "MY,SG", currency = "MYR,SGD" }
+swish = { country = "SE", currency = "SEK" }
+permata_bank_transfer = { country = "ID", currency = "IDR" }
+bca_bank_transfer = { country = "ID", currency = "IDR" }
+bni_va = { country = "ID", currency = "IDR" }
+bri_va = { country = "ID", currency = "IDR" }
+cimb_va = { country = "ID", currency = "IDR" }
+danamon_va = { country = "ID", currency = "IDR" }
+mandiri_va = { country = "ID", currency = "IDR" }
+alfamart = { country = "ID", currency = "IDR" }
+indomaret = { country = "ID", currency = "IDR" }
+open_banking_uk = { country = "GB", currency = "GBP" }
+oxxo = { country = "MX", currency = "MXN" }
+pay_safe_card = { country = "AT,AU,BE,BR,BE,CA,HR,CY,CZ,DK,FI,FR,GE,DE,GI,HU,IS,IE,KW,LV,IE,LI,LT,LU,MT,MX,MD,ME,NL,NZ,NO,PY,PE,PL,PT,RO,SA,RS,SK,SI,ES,SE,CH,TR,UAE,UK,US,UY", currency = "EUR,AUD,BRL,CAD,CZK,DKK,GEL,GIP,HUF,ISK,KWD,CHF,MXN,MDL,NZD,NOK,PYG,PEN,PLN,RON,SAR,RSD,SEK,TRY,AED,GBP,USD,UYU" }
+seven_eleven = { country = "JP", currency = "JPY" }
+lawson = { country = "JP", currency = "JPY" }
+mini_stop = { country = "JP", currency = "JPY" }
+family_mart = { country = "JP", currency = "JPY" }
+seicomart = { country = "JP", currency = "JPY" }
+pay_easy = { country = "JP", currency = "JPY" }
 
 [pm_filters.braintree]
 paypal = { currency = "AUD,BRL,CAD,CNY,CZK,DKK,EUR,HKD,HUF,ILS,JPY,MYR,MXN,TWD,NZD,NOK,PHP,PLN,GBP,RUB,SGD,SEK,CHF,THB,USD" }
@@ -398,17 +398,17 @@ debit = { currency = "USD" }
 stripe = { long_lived_token = false, payment_method = "wallet", payment_method_type = { type = "disable_only", list = "google_pay" } }
 checkout = { long_lived_token = false, payment_method = "wallet" }
 stax = { long_lived_token = true, payment_method = "card,bank_debit" }
-mollie = {long_lived_token = false, payment_method = "card"}
-square = {long_lived_token = false, payment_method = "card"}
+mollie = { long_lived_token = false, payment_method = "card" }
+square = { long_lived_token = false, payment_method = "card" }
 braintree = { long_lived_token = false, payment_method = "card" }
-payme = {long_lived_token = false, payment_method = "card"}
-gocardless = {long_lived_token = true, payment_method = "bank_debit"}
+payme = { long_lived_token = false, payment_method = "card" }
+gocardless = { long_lived_token = true, payment_method = "bank_debit" }
 
 [temp_locker_enable_config]
-stripe = {payment_method = "bank_transfer"}
-nuvei = {payment_method = "card"}
-shift4 = {payment_method = "card"}
-bluesnap = {payment_method = "card"}
+stripe = { payment_method = "bank_transfer" }
+nuvei = { payment_method = "card" }
+shift4 = { payment_method = "card" }
+bluesnap = { payment_method = "card" }
 
 [connector_customer]
 connector_list = "gocardless,stax,stripe"
@@ -447,9 +447,9 @@ wallet.apple_pay = { connector_list = "stripe,adyen" }
 wallet.paypal = { connector_list = "adyen" }
 card.credit = { connector_list = "stripe,adyen,authorizedotnet,globalpay,worldpay,multisafepay,nmi,nexinets,noon" }
 card.debit = { connector_list = "stripe,adyen,authorizedotnet,globalpay,worldpay,multisafepay,nmi,nexinets,noon" }
-bank_debit.ach = { connector_list = "gocardless"}
-bank_debit.becs = { connector_list = "gocardless"}
-bank_debit.sepa = { connector_list = "gocardless"}
+bank_debit.ach = { connector_list = "gocardless" }
+bank_debit.becs = { connector_list = "gocardless" }
+bank_debit.sepa = { connector_list = "gocardless" }
 
 [connector_request_reference_id_config]
 merchant_ids_send_payment_id_as_connector_request_id = []
@@ -469,8 +469,12 @@ apple_pay_merchant_cert_key = "APPLE_PAY_MERCHNAT_CERTIFICATE_KEY"
 [payment_link]
 sdk_url = "http://localhost:9090/dist/HyperLoader.js"
 
+[payment_method_auth]
+redis_expiry = 900
+pm_auth_key = "Some_pm_auth_key"
+
 [lock_settings]
-redis_lock_expiry_seconds = 180 # 3 * 60 seconds
+redis_lock_expiry_seconds = 180             # 3 * 60 seconds
 delay_between_retries_in_milliseconds = 500
 
 [kv_config]
@@ -504,4 +508,4 @@ port = 5432
 dbname = "hyperswitch_db"
 pool_size = 5
 connection_timeout = 10
-queue_strategy = "Fifo"
+queue_strategy = "Fifo"
diff --git a/crates/api_models/Cargo.toml b/crates/api_models/Cargo.toml
@@ -29,6 +29,8 @@ strum = { version = "0.25", features = ["derive"] }
 time = { version = "0.3.21", features = ["serde", "serde-well-known", "std"] }
 url = { version = "2.4.0", features = ["serde"] }
 utoipa = { version = "3.3.0", features = ["preserve_order"] }
+frunk = "0.4.1"
+frunk_core = "0.4.1"
 
 # First party crates
 cards = { version = "0.1.0", path = "../cards" }

diff --git a/crates/api_models/src/enums.rs b/crates/api_models/src/enums.rs
@@ -1,4 +1,5 @@
 pub use common_enums::*;
+use std::str::FromStr;
 use utoipa::ToSchema;
 
 #[derive(
@@ -470,3 +471,26 @@ pub enum LockerChoice {
     Basilisk,
     Tartarus,
 }
+
+#[derive(
+    Clone,
+    Copy,
+    Debug,
+    Eq,
+    PartialEq,
+    serde::Serialize,
+    serde::Deserialize,
+    strum::Display,
+    strum::EnumString,
+    frunk::LabelledGeneric,
+    ToSchema,
+)]
+#[serde(rename_all = "snake_case")]
+#[strum(serialize_all = "snake_case")]
+pub enum PmAuthConnectors {
+    Plaid,
+}
+
+pub fn convert_pm_auth_connector(connector_name: &str) -> Option<PmAuthConnectors> {
+    PmAuthConnectors::from_str(connector_name).ok()
+}
diff --git a/crates/api_models/src/lib.rs b/crates/api_models/src/lib.rs
@@ -22,6 +22,7 @@ pub mod payment_methods;
 pub mod payments;
 #[cfg(feature = "payouts")]
 pub mod payouts;
+pub mod pm_auth;
 pub mod refunds;
 pub mod routing;
 pub mod surcharge_decision_configs;

diff --git a/crates/api_models/src/pm_auth.rs b/crates/api_models/src/pm_auth.rs
@@ -0,0 +1,57 @@
+use common_enums::{PaymentMethod, PaymentMethodType};
+use common_utils::{
+    events::{ApiEventMetric, ApiEventsType},
+    impl_misc_api_event_type,
+};
+
+#[derive(Debug, Clone, serde::Deserialize, serde::Serialize)]
+#[serde(rename_all = "snake_case")]
+pub struct LinkTokenCreateRequest {
+    pub language: Option<String>, // optional language field to be passed
+    pub client_secret: Option<String>, // client secret to be passed in req body
+    pub payment_id: String, // payment_id to be passed in req body for redis pm_auth connector name fetch
+    pub payment_method: PaymentMethod, // payment_method to be used for filtering pm_auth connector
+    pub payment_method_type: PaymentMethodType, // payment_method_type to be used for filtering pm_auth connector
+}
+
+#[derive(Debug, Clone, serde::Serialize)]
+pub struct LinkTokenCreateResponse {
+    pub link_token: String, // link_token received in response
+    pub connector: String,  // pm_auth connector name in response
+}
+
+#[derive(Debug, Clone, serde::Deserialize, serde::Serialize)]
+#[serde(rename_all = "snake_case")]
+
+pub struct ExchangeTokenCreateRequest {
+    pub public_token: String,
+    pub client_secret: Option<String>,
+    pub payment_id: String,
+    pub payment_method: PaymentMethod,
+    pub payment_method_type: PaymentMethodType,
+}
+
+#[derive(Debug, Clone, serde::Serialize)]
+pub struct ExchangeTokenCreateResponse {
+    pub access_token: String,
+}
+
+#[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
+pub struct PaymentMethodAuthConfig {
+    pub enabled_payment_methods: Vec<PaymentMethodAuthConnectorChoice>,
+}
+
+#[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
+pub struct PaymentMethodAuthConnectorChoice {
+    pub payment_method: PaymentMethod,
+    pub payment_method_type: PaymentMethodType,
+    pub connector_name: String,
+    pub mca_id: String,
+}
+
+impl_misc_api_event_type!(
+    LinkTokenCreateRequest,
+    LinkTokenCreateResponse,
+    ExchangeTokenCreateRequest,
+    ExchangeTokenCreateResponse
+);
diff --git a/crates/pm_auth/src/connector/plaid.rs b/crates/pm_auth/src/connector/plaid.rs
@@ -15,7 +15,7 @@ use crate::{
     types::{
         self as auth_types,
         api::{
-            auth_service::{self, ExchangeToken, LinkToken},
+            auth_service::{self, BankAccountCredentials, ExchangeToken, LinkToken},
             ConnectorCommon, ConnectorCommonExt, ConnectorIntegration,
         },
     },
@@ -266,3 +266,88 @@ impl
         self.build_error_response(res)
     }
 }
+
+impl auth_service::AuthServiceBankAccountCredentials for Plaid {}
+
+impl
+    ConnectorIntegration<
+        BankAccountCredentials,
+        auth_types::BankAccountCredentialsRequest,
+        auth_types::BankAccountCredentialsResponse,
+    > for Plaid
+{
+    fn get_headers(
+        &self,
+        req: &auth_types::BankDetailsRouterData,
+        connectors: &auth_types::PaymentMethodAuthConnectors,
+    ) -> errors::CustomResult<Vec<(String, Maskable<String>)>, errors::ConnectorError> {
+        self.build_headers(req, connectors)
+    }
+
+    fn get_content_type(&self) -> &'static str {
+        self.common_get_content_type()
+    }
+
+    fn get_url(
+        &self,
+        _req: &auth_types::BankDetailsRouterData,
+        connectors: &auth_types::PaymentMethodAuthConnectors,
+    ) -> errors::CustomResult<String, errors::ConnectorError> {
+        Ok(format!("{}{}", self.base_url(connectors), "/auth/get"))
+    }
+
+    fn get_request_body(
+        &self,
+        req: &auth_types::BankDetailsRouterData,
+    ) -> errors::CustomResult<Option<RequestBody>, errors::ConnectorError> {
+        let req_obj = plaid::PlaidBankAccountCredentialsRequest::try_from(req)?;
+        let plaid_req = RequestBody::log_and_get_request_body(
+            &req_obj,
+            Encode::<plaid::PlaidBankAccountCredentialsRequest>::encode_to_string_of_json,
+        )
+        .change_context(errors::ConnectorError::RequestEncodingFailed)?;
+        Ok(Some(plaid_req))
+    }
+
+    fn build_request(
+        &self,
+        req: &auth_types::BankDetailsRouterData,
+        connectors: &auth_types::PaymentMethodAuthConnectors,
+    ) -> errors::CustomResult<Option<Request>, errors::ConnectorError> {
+        Ok(Some(
+            RequestBuilder::new()
+                .method(Method::Post)
+                .url(&auth_types::PaymentAuthBankAccountDetailsType::get_url(
+                    self, req, connectors,
+                )?)
+                .attach_default_headers()
+                .headers(auth_types::PaymentAuthBankAccountDetailsType::get_headers(
+                    self, req, connectors,
+                )?)
+                .body(auth_types::PaymentAuthBankAccountDetailsType::get_request_body(self, req)?)
+                .build(),
+        ))
+    }
+
+    fn handle_response(
+        &self,
+        data: &auth_types::BankDetailsRouterData,
+        res: auth_types::Response,
+    ) -> errors::CustomResult<auth_types::BankDetailsRouterData, errors::ConnectorError> {
+        let response: plaid::PlaidBankAccountCredentialsResponse = res
+            .response
+            .parse_struct("PlaidBankAccountCredentialsResponse")
+            .change_context(errors::ConnectorError::ResponseDeserializationFailed)?;
+        <auth_types::BankDetailsRouterData>::try_from(auth_types::ResponseRouterData {
+            response,
+            data: data.clone(),
+            http_code: res.status_code,
+        })
+    }
+    fn get_error_response(
+        &self,
+        res: auth_types::Response,
+    ) -> errors::CustomResult<auth_types::ErrorResponse, errors::ConnectorError> {
+        self.build_error_response(res)
+    }
+}