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/*
* This file is part of GNU Taler
* (C) 2020 Taler Systems S.A.
*
* GNU Taler is free software; you can redistribute it and/or modify it under the
* terms of the GNU General Public License as published by the Free Software
* Foundation; either version 3, or (at your option) any later version.
*
* GNU Taler 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with
* GNU Taler; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
*/
package net.taler.common
import java.util.Locale
public object TalerUri {
private const val SCHEME = "taler://"
private const val SCHEME_INSECURE = "taler+http://"
private const val AUTHORITY_PAY = "pay"
private const val AUTHORITY_WITHDRAW = "withdraw"
private const val AUTHORITY_REFUND = "refund"
private const val AUTHORITY_TIP = "tip"
public data class WithdrawUriResult(
val bankIntegrationApiBaseUrl: String,
val withdrawalOperationId: String
)
/**
* Parses a withdraw URI and returns a bank status URL or null if the URI was invalid.
*/
public fun parseWithdrawUri(uri: String): WithdrawUriResult? {
val (resultScheme, prefix) = when {
uri.startsWith(SCHEME, ignoreCase = true) -> {
Pair("https://", "${SCHEME}${AUTHORITY_WITHDRAW}/")
}
uri.startsWith(SCHEME_INSECURE, ignoreCase = true) -> {
Pair("http://", "${SCHEME_INSECURE}${AUTHORITY_WITHDRAW}/")
}
else -> return null
}
if (!uri.startsWith(prefix, ignoreCase = true)) return null
val parts = uri.let {
(if (it.endsWith("/")) it.dropLast(1) else it).substring(prefix.length).split('/')
}
if (parts.size < 2) return null
val host = parts[0].lowercase(Locale.ROOT)
val pathSegments = parts.slice(1 until parts.size - 1).joinToString("/")
val withdrawId = parts.last()
if (withdrawId.isBlank()) return null
val url = "${resultScheme}${host}/${pathSegments}"
return WithdrawUriResult(url, withdrawId)
}
}
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