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/*
* This file is part of LibEuFin.
* Copyright (C) 2019 Stanisci and Dold.
* LibEuFin is free software; you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation; either version 3, or
* (at your option) any later version.
* LibEuFin is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General
* Public License for more details.
* You should have received a copy of the GNU Affero General Public
* License along with LibEuFin; see the file COPYING. If not, see
* <http://www.gnu.org/licenses/>
*/
/* This file contains the Taler Integration API endpoints,
* that are typically requested by wallets. */
package tech.libeufin.bank
import io.ktor.server.application.*
import io.ktor.server.request.*
import io.ktor.server.response.*
import io.ktor.server.routing.*
import net.taler.common.errorcodes.TalerErrorCode
import java.util.*
fun Routing.bankIntegrationApi(db: Database, ctx: BankApplicationContext) {
get("/taler-integration/config") {
call.respond(TalerIntegrationConfigResponse(
currency = ctx.currency,
currency_specification = ctx.currencySpecification
))
}
// Note: wopid acts as an authentication token.
get("/taler-integration/withdrawal-operation/{wopid}") {
val wopid = call.expectUriComponent("wopid")
// TODO long poll
val op = getWithdrawal(db, wopid) // throws 404 if not found.
val relatedBankAccount = db.bankAccountGetFromOwnerId(op.walletBankAccount)
?: throw internalServerError("Bank has a withdrawal not related to any bank account.")
val suggestedExchange = ctx.suggestedWithdrawalExchange
val confirmUrl = if (ctx.spaCaptchaURL == null) null else
getWithdrawalConfirmUrl(
baseUrl = ctx.spaCaptchaURL,
wopId = wopid
)
call.respond(
BankWithdrawalOperationStatus(
aborted = op.aborted,
selection_done = op.selectionDone,
transfer_done = op.confirmationDone,
amount = op.amount,
sender_wire = relatedBankAccount.internalPaytoUri.canonical,
suggested_exchange = suggestedExchange,
confirm_transfer_url = confirmUrl
)
)
}
post("/taler-integration/withdrawal-operation/{wopid}") {
val wopid = call.expectUriComponent("wopid")
val uuid = try {
UUID.fromString(wopid)
} catch (e: Exception) {
throw badRequest("withdrawal_id query parameter was malformed")
}
val req = call.receive<BankWithdrawalOperationPostRequest>()
val (result, confirmationDone) = db.talerWithdrawalSetDetails(
uuid, req.selected_exchange, req.reserve_pub
)
when (result) {
WithdrawalSelectionResult.OP_NOT_FOUND -> throw notFound(
"Withdrawal operation $uuid not found",
TalerErrorCode.TALER_EC_END
)
WithdrawalSelectionResult.ALREADY_SELECTED -> throw conflict(
"Cannot select different exchange and reserve pub. under the same withdrawal operation",
TalerErrorCode.TALER_EC_BANK_WITHDRAWAL_OPERATION_RESERVE_SELECTION_CONFLICT
)
WithdrawalSelectionResult.RESERVE_PUB_REUSE -> throw conflict(
"Reserve pub. already used",
TalerErrorCode.TALER_EC_BANK_DUPLICATE_RESERVE_PUB_SUBJECT
)
WithdrawalSelectionResult.ACCOUNT_NOT_FOUND -> throw conflict(
"Account ${req.selected_exchange} not found",
TalerErrorCode.TALER_EC_BANK_UNKNOWN_ACCOUNT
)
WithdrawalSelectionResult.ACCOUNT_IS_NOT_EXCHANGE -> throw conflict(
"Account ${req.selected_exchange} is not an exchange",
TalerErrorCode.TALER_EC_BANK_UNKNOWN_ACCOUNT
)
WithdrawalSelectionResult.SUCCESS -> {
val confirmUrl: String? = if (ctx.spaCaptchaURL !== null && !confirmationDone) {
getWithdrawalConfirmUrl(
baseUrl = ctx.spaCaptchaURL,
wopId = wopid
)
} else null
call.respond(BankWithdrawalOperationPostResponse(
transfer_done = confirmationDone, confirm_transfer_url = confirmUrl
))
}
}
}
}
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