hyperswitch/crates/router/src/connector/opennode.rs

pub mod transformers;

use std::fmt::Debug;

use common_utils::crypto;
use error_stack::{IntoReport, ResultExt};
use transformers as opennode;

use self::opennode::OpennodeWebhookDetails;
use crate::{
    configs::settings,
    consts,
    core::errors::{self, CustomResult},
    headers,
    services::{
        self,
        request::{self, Mask},
        ConnectorIntegration, ConnectorValidation,
    },
    types::{
        self,
        api::{self, ConnectorCommon, ConnectorCommonExt},
        ErrorResponse, Response,
    },
    utils::{BytesExt, Encode},
};

#[derive(Debug, Clone)]
pub struct Opennode;

impl api::Payment for Opennode {}
impl api::PaymentSession for Opennode {}
impl api::PaymentToken for Opennode {}
impl api::ConnectorAccessToken for Opennode {}

impl api::MandateSetup for Opennode {}
impl api::PaymentAuthorize for Opennode {}
impl api::PaymentSync for Opennode {}
impl api::PaymentCapture for Opennode {}
impl api::PaymentVoid for Opennode {}
impl api::Refund for Opennode {}
impl api::RefundExecute for Opennode {}
impl api::RefundSync for Opennode {}

impl<Flow, Request, Response> ConnectorCommonExt<Flow, Request, Response> for Opennode
where
    Self: ConnectorIntegration<Flow, Request, Response>,
{
    fn build_headers(
        &self,
        req: &types::RouterData<Flow, Request, Response>,
        _connectors: &settings::Connectors,
    ) -> CustomResult<Vec<(String, request::Maskable<String>)>, errors::ConnectorError> {
        let mut header = vec![
            (
                headers::CONTENT_TYPE.to_string(),
                self.common_get_content_type().to_string().into(),
            ),
            (
                headers::ACCEPT.to_string(),
                self.common_get_content_type().to_string().into(),
            ),
        ];
        let mut api_key = self.get_auth_header(&req.connector_auth_type)?;
        header.append(&mut api_key);
        Ok(header)
    }
}

impl ConnectorCommon for Opennode {
    fn id(&self) -> &'static str {
        "opennode"
    }

    fn get_currency_unit(&self) -> api::CurrencyUnit {
        api::CurrencyUnit::Minor
    }

    fn common_get_content_type(&self) -> &'static str {
        "application/json"
    }

    fn base_url<'a>(&self, connectors: &'a settings::Connectors) -> &'a str {
        connectors.opennode.base_url.as_ref()
    }

    fn get_auth_header(
        &self,
        auth_type: &types::ConnectorAuthType,
    ) -> CustomResult<Vec<(String, request::Maskable<String>)>, errors::ConnectorError> {
        let auth = opennode::OpennodeAuthType::try_from(auth_type)
            .change_context(errors::ConnectorError::FailedToObtainAuthType)?;
        Ok(vec![(
            headers::AUTHORIZATION.to_string(),
            auth.api_key.into_masked(),
        )])
    }

    fn build_error_response(
        &self,
        res: Response,
    ) -> CustomResult<ErrorResponse, errors::ConnectorError> {
        let response: opennode::OpennodeErrorResponse = res
            .response
            .parse_struct("OpennodeErrorResponse")
            .change_context(errors::ConnectorError::ResponseDeserializationFailed)?;

        Ok(ErrorResponse {
            status_code: res.status_code,
            code: consts::NO_ERROR_CODE.to_string(),
            message: response.message,
            reason: None,
        })
    }
}

impl ConnectorValidation for Opennode {}

impl
    ConnectorIntegration<
        api::PaymentMethodToken,
        types::PaymentMethodTokenizationData,
        types::PaymentsResponseData,
    > for Opennode
{
    // Not Implemented (R)
}

impl ConnectorIntegration<api::Session, types::PaymentsSessionData, types::PaymentsResponseData>
    for Opennode
{
    //TODO: implement sessions flow
}

impl ConnectorIntegration<api::AccessTokenAuth, types::AccessTokenRequestData, types::AccessToken>
    for Opennode
{
}

impl
    ConnectorIntegration<
        api::SetupMandate,
        types::SetupMandateRequestData,
        types::PaymentsResponseData,
    > for Opennode
{
}

impl ConnectorIntegration<api::Authorize, types::PaymentsAuthorizeData, types::PaymentsResponseData>
    for Opennode
{
    fn get_headers(
        &self,
        req: &types::PaymentsAuthorizeRouterData,
        connectors: &settings::Connectors,
    ) -> CustomResult<Vec<(String, request::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: &types::PaymentsAuthorizeRouterData,
        _connectors: &settings::Connectors,
    ) -> CustomResult<String, errors::ConnectorError> {
        Ok(format!("{}/v1/charges", self.base_url(_connectors)))
    }

    fn get_request_body(
        &self,
        req: &types::PaymentsAuthorizeRouterData,
    ) -> CustomResult<Option<types::RequestBody>, errors::ConnectorError> {
        let connector_router_data = opennode::OpennodeRouterData::try_from((
            &self.get_currency_unit(),
            req.request.currency,
            req.request.amount,
            req,
        ))?;
        let req_obj = opennode::OpennodePaymentsRequest::try_from(&connector_router_data)?;
        let opennode_req = types::RequestBody::log_and_get_request_body(
            &req_obj,
            Encode::<opennode::OpennodePaymentsRequest>::encode_to_string_of_json,
        )
        .change_context(errors::ConnectorError::RequestEncodingFailed)?;
        Ok(Some(opennode_req))
    }

    fn build_request(
        &self,
        req: &types::PaymentsAuthorizeRouterData,
        connectors: &settings::Connectors,
    ) -> CustomResult<Option<services::Request>, errors::ConnectorError> {
        Ok(Some(
            services::RequestBuilder::new()
                .method(services::Method::Post)
                .url(&types::PaymentsAuthorizeType::get_url(
                    self, req, connectors,
                )?)
                .headers(types::PaymentsAuthorizeType::get_headers(
                    self, req, connectors,
                )?)
                .body(types::PaymentsAuthorizeType::get_request_body(self, req)?)
                .build(),
        ))
    }

    fn handle_response(
        &self,
        data: &types::PaymentsAuthorizeRouterData,
        res: Response,
    ) -> CustomResult<types::PaymentsAuthorizeRouterData, errors::ConnectorError> {
        let response: opennode::OpennodePaymentsResponse = res
            .response
            .parse_struct("Opennode PaymentsAuthorizeResponse")
            .change_context(errors::ConnectorError::ResponseDeserializationFailed)?;
        types::RouterData::try_from(types::ResponseRouterData {
            response,
            data: data.clone(),
            http_code: res.status_code,
        })
        .change_context(errors::ConnectorError::ResponseHandlingFailed)
    }

    fn get_error_response(
        &self,
        res: Response,
    ) -> CustomResult<ErrorResponse, errors::ConnectorError> {
        self.build_error_response(res)
    }
}

impl ConnectorIntegration<api::PSync, types::PaymentsSyncData, types::PaymentsResponseData>
    for Opennode
{
    fn get_headers(
        &self,
        req: &types::PaymentsSyncRouterData,
        connectors: &settings::Connectors,
    ) -> CustomResult<Vec<(String, request::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: &types::PaymentsSyncRouterData,
        _connectors: &settings::Connectors,
    ) -> CustomResult<String, errors::ConnectorError> {
        let connector_id = _req
            .request
            .connector_transaction_id
            .get_connector_transaction_id()
            .change_context(errors::ConnectorError::MissingConnectorTransactionID)?;
        Ok(format!(
            "{}/v2/charge/{}",
            self.base_url(_connectors),
            connector_id
        ))
    }

    fn build_request(
        &self,
        req: &types::PaymentsSyncRouterData,
        connectors: &settings::Connectors,
    ) -> CustomResult<Option<services::Request>, errors::ConnectorError> {
        Ok(Some(
            services::RequestBuilder::new()
                .method(services::Method::Get)
                .url(&types::PaymentsSyncType::get_url(self, req, connectors)?)
                .headers(types::PaymentsSyncType::get_headers(self, req, connectors)?)
                .build(),
        ))
    }

    fn handle_response(
        &self,
        data: &types::PaymentsSyncRouterData,
        res: Response,
    ) -> CustomResult<types::PaymentsSyncRouterData, errors::ConnectorError> {
        let response: opennode::OpennodePaymentsResponse = res
            .response
            .parse_struct("opennode PaymentsSyncResponse")
            .change_context(errors::ConnectorError::ResponseDeserializationFailed)?;
        types::RouterData::try_from(types::ResponseRouterData {
            response,
            data: data.clone(),
            http_code: res.status_code,
        })
        .change_context(errors::ConnectorError::ResponseHandlingFailed)
    }

    fn get_error_response(
        &self,
        res: Response,
    ) -> CustomResult<ErrorResponse, errors::ConnectorError> {
        self.build_error_response(res)
    }
}

impl ConnectorIntegration<api::Capture, types::PaymentsCaptureData, types::PaymentsResponseData>
    for Opennode
{
    fn build_request(
        &self,
        _req: &types::PaymentsCaptureRouterData,
        _connectors: &settings::Connectors,
    ) -> CustomResult<Option<services::Request>, errors::ConnectorError> {
        Err(errors::ConnectorError::FlowNotSupported {
            flow: "Capture".to_string(),
            connector: "Opennode".to_string(),
        }
        .into())
    }
}

impl ConnectorIntegration<api::Void, types::PaymentsCancelData, types::PaymentsResponseData>
    for Opennode
{
}

impl ConnectorIntegration<api::Execute, types::RefundsData, types::RefundsResponseData>
    for Opennode
{
    fn build_request(
        &self,
        _req: &types::RefundsRouterData<api::Execute>,
        _connectors: &settings::Connectors,
    ) -> CustomResult<Option<services::Request>, errors::ConnectorError> {
        Err(
            errors::ConnectorError::NotImplemented("Refund flow not Implemented".to_string())
                .into(),
        )
    }
}

impl ConnectorIntegration<api::RSync, types::RefundsData, types::RefundsResponseData> for Opennode {
    // default implementation of build_request method will be executed
}

#[async_trait::async_trait]
impl api::IncomingWebhook for Opennode {
    fn get_webhook_source_verification_algorithm(
        &self,
        _request: &api::IncomingWebhookRequestDetails<'_>,
    ) -> CustomResult<Box<dyn crypto::VerifySignature + Send>, errors::ConnectorError> {
        Ok(Box::new(crypto::HmacSha256))
    }

    fn get_webhook_source_verification_signature(
        &self,
        request: &api::IncomingWebhookRequestDetails<'_>,
        _connector_webhook_secrets: &api_models::webhooks::ConnectorWebhookSecrets,
    ) -> CustomResult<Vec<u8>, errors::ConnectorError> {
        let notif = serde_urlencoded::from_bytes::<OpennodeWebhookDetails>(request.body)
            .into_report()
            .change_context(errors::ConnectorError::WebhookBodyDecodingFailed)?;
        let base64_signature = notif.hashed_order;
        hex::decode(base64_signature)
            .into_report()
            .change_context(errors::ConnectorError::WebhookSourceVerificationFailed)
    }

    fn get_webhook_source_verification_message(
        &self,
        request: &api::IncomingWebhookRequestDetails<'_>,
        _merchant_id: &str,
        _connector_webhook_secrets: &api_models::webhooks::ConnectorWebhookSecrets,
    ) -> CustomResult<Vec<u8>, errors::ConnectorError> {
        let message = std::str::from_utf8(request.body)
            .into_report()
            .change_context(errors::ConnectorError::ParsingFailed)?;
        Ok(message.to_string().into_bytes())
    }

    fn get_webhook_object_reference_id(
        &self,
        request: &api::IncomingWebhookRequestDetails<'_>,
    ) -> CustomResult<api_models::webhooks::ObjectReferenceId, errors::ConnectorError> {
        let notif = serde_urlencoded::from_bytes::<OpennodeWebhookDetails>(request.body)
            .into_report()
            .change_context(errors::ConnectorError::WebhookBodyDecodingFailed)?;
        Ok(api_models::webhooks::ObjectReferenceId::PaymentId(
            api_models::payments::PaymentIdType::ConnectorTransactionId(notif.id),
        ))
    }

    fn get_webhook_event_type(
        &self,
        request: &api::IncomingWebhookRequestDetails<'_>,
    ) -> CustomResult<api::IncomingWebhookEvent, errors::ConnectorError> {
        let notif = serde_urlencoded::from_bytes::<OpennodeWebhookDetails>(request.body)
            .into_report()
            .change_context(errors::ConnectorError::WebhookBodyDecodingFailed)?;

        match notif.status {
            opennode::OpennodePaymentStatus::Paid => {
                Ok(api::IncomingWebhookEvent::PaymentIntentSuccess)
            }
            opennode::OpennodePaymentStatus::Underpaid
            | opennode::OpennodePaymentStatus::Expired => {
                Ok(api::IncomingWebhookEvent::PaymentActionRequired)
            }
            opennode::OpennodePaymentStatus::Processing => {
                Ok(api::IncomingWebhookEvent::PaymentIntentProcessing)
            }
            _ => Ok(api::IncomingWebhookEvent::EventNotSupported),
        }
    }

    fn get_webhook_resource_object(
        &self,
        request: &api::IncomingWebhookRequestDetails<'_>,
    ) -> CustomResult<serde_json::Value, errors::ConnectorError> {
        let notif = serde_urlencoded::from_bytes::<OpennodeWebhookDetails>(request.body)
            .into_report()
            .change_context(errors::ConnectorError::WebhookBodyDecodingFailed)?;
        Encode::<OpennodeWebhookDetails>::encode_to_value(&notif.status)
            .change_context(errors::ConnectorError::WebhookBodyDecodingFailed)
    }
}