libeufin

commit 6cb403f8e8caa481c475f42006e9bbd115f88e30
parent b7a3a024d388d4cc7b368f9d15a0289097a815a1
Author: Marcello Stanisci <stanisci.m@gmail.com>
Date:   Thu,  7 Nov 2019 20:59:48 +0100

decrypt result from bank

Diffstat:
M
nexus/src/main/kotlin/Main.kt
 | 
22
+++++++++++++++++++---
M
sandbox/src/main/kotlin/tech/libeufin/sandbox/CryptoUtil.kt
 | 
2
+-

2 files changed, 20 insertions(+), 4 deletions(-)
diff --git a/nexus/src/main/kotlin/Main.kt b/nexus/src/main/kotlin/Main.kt
@@ -322,7 +322,7 @@ fun main() {
                 // _parse_ response!
                 // respond to client
                 val id = expectId(call.parameters["id"])
-                val (url, body) = transaction {
+                val (url, body, encPriv) = transaction {
                     val subscriber = EbicsSubscriberEntity.findById(id) ?: throw SubscriberNotFoundError(HttpStatusCode.NotFound)
                     val hpbRequest = EbicsNpkdRequest().apply {
                         version = "H004"
@@ -351,10 +351,26 @@ fun main() {
                         hpbDoc,
                         CryptoUtil.loadRsaPrivateKey(subscriber.signaturePrivateKey.toByteArray())
                     )
-                    Pair(subscriber.ebicsURL, hpbDoc)
+                    Triple(subscriber.ebicsURL, hpbDoc, subscriber.encryptionPrivateKey)
                 }
 
-                val response = client.postToBank<EbicsKeyManagementResponse>(url, body)
+                val response = client.postToBank<EbicsKeyManagementResponse>(url, body) ?: throw UnreachableBankError(
+                    HttpStatusCode.InternalServerError
+                )
+
+                if (response.value.body.returnCode.value != "000000") {
+                    throw EbicsError(response.value.body.returnCode.value)
+                }
+
+                val er = CryptoUtil.EncryptionResult(
+                    response.value.body.dataTransfer!!.dataEncryptionInfo!!.transactionKey,
+                    (response.value.body.dataTransfer!!.dataEncryptionInfo as EbicsTypes.DataEncryptionInfo)
+                        .encryptionPubKeyDigest.value,
+                    (response.value.body.dataTransfer as EbicsKeyManagementResponse.OrderData).value
+                )
+
+                var dataCompr = CryptoUtil.decryptEbicsE002(er, CryptoUtil.loadRsaPrivateKey(encPriv.toByteArray()))
+                var data = EbicsOrderUtil.decodeOrderDataXml<HPBResponseOrderData>(dataCompr)
 
                 call.respond(HttpStatusCode.NotImplemented, NexusError("work in progress"))
                 return@post
diff --git a/sandbox/src/main/kotlin/tech/libeufin/sandbox/CryptoUtil.kt b/sandbox/src/main/kotlin/tech/libeufin/sandbox/CryptoUtil.kt
@@ -43,7 +43,7 @@ import javax.crypto.spec.SecretKeySpec
 data class RsaCrtKeyPair(val private: RSAPrivateCrtKey, val public: RSAPublicKey)
 
 /**
- * Helpers for dealing with crypographic operations in EBICS / LibEuFin.
+ * Helpers for dealing with cryptographic operations in EBICS / LibEuFin.
  */
 class CryptoUtil {