[libeufin] branch master updated: Fix payto parser, remove add-incoming API.

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ms pushed a commit to branch master
in repository libeufin.

The following commit(s) were added to refs/heads/master by this push:
     new fce1092  Fix payto parser, remove add-incoming API.
fce1092 is described below

commit fce10927c9c83ae48e1b2f40da1e3c0b4474b789
Author: MS <ms@taler.net>
AuthorDate: Mon Feb 15 18:42:23 2021 +0100

    Fix payto parser, remove add-incoming API.
---
 nexus/src/main/kotlin/tech/libeufin/nexus/Taler.kt | 73 ++--------------------
 util/src/main/kotlin/Payto.kt                      | 34 +++++-----
 util/src/test/kotlin/PaytoTest.kt                  |  6 ++
 3 files changed, 29 insertions(+), 84 deletions(-)

diff --git a/nexus/src/main/kotlin/tech/libeufin/nexus/Taler.kt 
b/nexus/src/main/kotlin/tech/libeufin/nexus/Taler.kt
index e5e13e4..16519c4 100644
--- a/nexus/src/main/kotlin/tech/libeufin/nexus/Taler.kt
+++ b/nexus/src/main/kotlin/tech/libeufin/nexus/Taler.kt
@@ -249,7 +249,9 @@ private suspend fun talerTransfer(call: ApplicationCall) {
             Pain001Data(
                 creditorIban = creditorData.iban,
                 creditorBic = creditorData.bic,
-                creditorName = creditorData.name,
+                creditorName = creditorData.name ?: throw NexusError(
+                    HttpStatusCode.BadRequest, "Payto did not mention account 
owner"
+                ),
                 subject = transferRequest.wtid,
                 sum = amountObj.amount,
                 currency = amountObj.currency
@@ -289,69 +291,6 @@ fun roundTimestamp(t: GnunetTimestamp): GnunetTimestamp {
     return GnunetTimestamp(t.t_ms - (t.t_ms % 1000))
 }
 
-/**
- * Serve a /taler/admin/add-incoming
- */
-private suspend fun talerAddIncoming(call: ApplicationCall, httpClient: 
HttpClient) {
-    val facadeID = expectNonNull(call.parameters["fcid"])
-    call.request.requirePermission(PermissionQuery("facade", facadeID, 
"facade.talerWireGateway.addIncoming"))
-    val addIncomingData = call.receive<TalerAdminAddIncoming>()
-    val debtor = parsePayto(addIncomingData.debit_account)
-    val res = transaction {
-        val facadeState = getTalerFacadeState(facadeID)
-        val facadeBankAccount = getTalerFacadeBankAccount(facadeID)
-        return@transaction object {
-            val facadeLastSeen = facadeState.highestSeenMessageSerialId
-            val facadeIban = facadeBankAccount.iban
-            val facadeBic = facadeBankAccount.bankCode
-            val facadeHolderName = facadeBankAccount.accountHolder
-        }
-    }
-
-    /** forward the payment information to the sandbox.  */
-    val response = httpClient.post<HttpResponse>(
-        urlString = "http://localhost:5000/admin/payments";,
-        block = {
-            /** FIXME: ideally Jackson should define such request body.  */
-            val parsedAmount = parseAmount(addIncomingData.amount)
-            this.body = """{
-                "creditorIban": "${res.facadeIban}",
-                "creditorBic": "${res.facadeBic}",
-                "creditorName": "${res.facadeHolderName}",
-                "debitorIban": "${debtor.iban}",
-                "debitorBic": "${debtor.bic}",
-                "debitorName": "${debtor.name}",
-                "amount": "${parsedAmount.amount}",
-                "currency": "${parsedAmount.currency}",
-                "direction": "CRDT",
-                "subject": "${addIncomingData.reserve_pub}",
-                "uid": "${getRandomString(8)}"
-            }""".trimIndent()
-            contentType(ContentType.Application.Json)
-        }
-    )
-    if (response.status != HttpStatusCode.OK) {
-        throw NexusError(
-            HttpStatusCode.InternalServerError,
-            "Could not forward the 'add-incoming' payment to the bank 
(sandbox)"
-        )
-    }
-    return call.respond(
-        TextContent(
-            customConverter(
-                TalerAddIncomingResponse(
-                    timestamp = GnunetTimestamp(
-                        System.currentTimeMillis()
-                    ),
-                    row_id = res.facadeLastSeen
-                )
-            ),
-            ContentType.Application.Json
-        )
-    )
-}
-
-
 private fun ingestOneIncomingTransaction(payment: NexusBankTransactionEntity, 
txDtls: TransactionDetails) {
     val subject = txDtls.unstructuredRemittanceInformation
     val debtorName = txDtls.debtor?.name
@@ -637,7 +576,7 @@ fun talerFacadeRoutes(route: Route, httpClient: HttpClient) 
{
 
     route.get("/config") {
         val facadeId = ensureNonNull(call.parameters["fcid"])
-        call.request.requirePermission(PermissionQuery("facade", facadeId, 
"facade.talerWireGateway.addIncoming"))
+        call.request.requirePermission(PermissionQuery("facade", facadeId, 
"facade.talerWireGateway.config"))
         call.respond(object {
             val version = "0.0.0"
             val name = "taler-wire-gateway"
@@ -649,10 +588,6 @@ fun talerFacadeRoutes(route: Route, httpClient: 
HttpClient) {
         talerTransfer(call)
         return@post
     }
-    route.post("/admin/add-incoming") {
-        talerAddIncoming(call, httpClient)
-        return@post
-    }
     route.get("/history/outgoing") {
         historyOutgoing(call)
         return@get
diff --git a/util/src/main/kotlin/Payto.kt b/util/src/main/kotlin/Payto.kt
index 04fda1a..ed52d1b 100644
--- a/util/src/main/kotlin/Payto.kt
+++ b/util/src/main/kotlin/Payto.kt
@@ -6,7 +6,7 @@ import java.net.URI
  * Helper data structures.
  */
 data class Payto(
-    val name: String,
+    val name: String?,
     val iban: String,
     val bic: String?
 )
@@ -22,22 +22,26 @@ fun parsePayto(paytoLine: String): Payto {
     if (javaParsedUri.scheme != "payto") {
         throw InvalidPaytoError("'${paytoLine}' is not payto")
     }
-    val queryStringAsList = javaParsedUri.query.split("&")
-    // admit only ONE parameter: receiver-name.
-    if (queryStringAsList.size != 1) {
-        throw InvalidPaytoError("'${paytoLine}' has unsupported query string")
-    }
-    val splitParameter = queryStringAsList.first().split("=")
-    if (splitParameter.first() != "receiver-name" && splitParameter.first() != 
"sender-name") {
-        throw InvalidPaytoError("'${paytoLine}' has unsupported query string")
-    }
-    val receiverName = splitParameter.last()
+
+    val accountOwner = if (javaParsedUri.query != null) {
+        val queryStringAsList = javaParsedUri.query.split("&")
+        // admit only ONE parameter: receiver-name.
+        if (queryStringAsList.size != 1) {
+            throw InvalidPaytoError("'${paytoLine}' has unsupported query 
string")
+        }
+        val splitParameter = queryStringAsList.first().split("=")
+        if (splitParameter.first() != "receiver-name" && 
splitParameter.first() != "sender-name") {
+            throw InvalidPaytoError("'${paytoLine}' has unsupported query 
string")
+        }
+        splitParameter.last()
+    } else null
+
     val splitPath = javaParsedUri.path.split("/").filter { it.isNotEmpty() }
     if (splitPath.size > 2) {
         throw InvalidPaytoError("too many path segments in iban payto URI")
     }
-    if (splitPath.size < 2) {
-        return Payto(iban = splitPath[0], name = receiverName, bic = null)
-    }
-    return Payto(iban = splitPath[1], bic = splitPath[0], name = receiverName)
+    val (iban, bic) = if (splitPath.size == 1) {
+        Pair(splitPath[0], null)
+    } else Pair(splitPath[1], splitPath[0])
+    return Payto(iban = iban, bic = bic, name = accountOwner)
 }
\ No newline at end of file
diff --git a/util/src/test/kotlin/PaytoTest.kt 
b/util/src/test/kotlin/PaytoTest.kt
index 5c1f50a..635966d 100644
--- a/util/src/test/kotlin/PaytoTest.kt
+++ b/util/src/test/kotlin/PaytoTest.kt
@@ -7,6 +7,12 @@ class PaytoTest {
 
     @Test
     fun wrongCases() {
+        try {
+            parsePayto("payto://iban/IBAN/BIC")
+        } catch (e: InvalidPaytoError) {
+            println(e)
+            println("must give IBAN _and_ BIC")
+        }
         try {
             parsePayto("http://iban/BIC123/IBAN123?receiver-name=The%20Name";)
         } catch (e: InvalidPaytoError) {

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