1 files changed, 89 insertions, 0 deletions
diff --git a/nexus/src/main/kotlin/tech/libeufin/nexus/ebics/EbicsAdministrative.kt b/nexus/src/main/kotlin/tech/libeufin/nexus/ebics/EbicsAdministrative.kt
new file mode 100644
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--- /dev/null
+++ b/nexus/src/main/kotlin/tech/libeufin/nexus/ebics/EbicsAdministrative.kt
@@ -0,0 +1,89 @@
+/*
+ * This file is part of LibEuFin.
+ * Copyright (C) 2024 Taler Systems S.A.
+
+ * 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/>
+ */
+
+package tech.libeufin.nexus.ebics
+
+import org.w3c.dom.Document
+import tech.libeufin.common.crypto.CryptoUtil
+import tech.libeufin.common.*
+import tech.libeufin.nexus.*
+import tech.libeufin.nexus.BankPublicKeysFile
+import tech.libeufin.nexus.ClientPrivateKeysFile
+import java.io.InputStream
+import java.time.Instant
+import java.time.ZoneId
+import java.util.*
+import javax.xml.datatype.DatatypeFactory
+import java.security.interfaces.*
+import tech.libeufin.nexus.ebics.EbicsKeyMng.Order.*
+
+data class VersionNumber(val number: Float, val schema: String) {
+    override fun toString(): String = "$number:$schema"
+}
+
+data class AccountInfo(
+    val currency: String?,
+    val iban: String?,
+    val name: String?
+)
+
+object EbicsAdministrative {
+    fun HEV(cfg: NexusConfig): ByteArray {
+        return XmlBuilder.toBytes("ebicsHEVRequest") {
+            attr("xmlns", "http://www.ebics.org/H000")
+            el("HostID", cfg.ebicsHostId)
+        }
+    }
+
+    fun parseHEV(doc: Document): EbicsResponse<List<VersionNumber>> {
+        return XmlDestructor.fromDoc(doc, "ebicsHEVResponse") {
+            val technicalCode = one("SystemReturnCode") {
+                EbicsReturnCode.lookup(one("ReturnCode").text())
+            }
+            val versions = map("VersionNumber") {
+                VersionNumber(text().toFloat(), attr("ProtocolVersion"))
+            }
+            EbicsResponse(
+                technicalCode = technicalCode, 
+                bankCode = EbicsReturnCode.EBICS_OK,
+                content = versions
+            )
+        }
+    }
+
+    fun parseHKD(stream: InputStream): AccountInfo { 
+        return XmlDestructor.fromStream(stream, "HKDResponseOrderData") {
+            var currency: String? = null
+            var iban: String? = null
+            var name: String? = null
+            one("PartnerInfo") {
+                name = opt("AddressInfo")?.one("Name")?.text()
+                opt("AccountInfo") {
+                    currency = attr("Currency")
+                    each("AccountNumber") {
+                        if (attr("international") == "true") {
+                            iban = text()
+                        }
+                    }
+                }
+            }
+            AccountInfo(currency, iban, name)
+        }
+    }
+}