libeufin

commit f1674d9ca0f2cdf54531b766ab499a721dd867f9
parent 0e157a5c06d5080c7b7b527f76483cbb784cd77d
Author: Marcello Stanisci <stanisci.m@gmail.com>
Date:   Fri,  8 Nov 2019 17:57:40 +0100

Add helper function to chunk strings.

Will be used to format the /keyletter.

Diffstat:
M
nexus/src/main/kotlin/Main.kt
 | 
55
+++++++++++++++++++++++++++++++++++++++++++++++++++++++
A
nexus/src/test/kotlin/LetterFormatTest.kt
 | 
14
++++++++++++++

2 files changed, 69 insertions(+), 0 deletions(-)
diff --git a/nexus/src/main/kotlin/Main.kt b/nexus/src/main/kotlin/Main.kt
@@ -79,6 +79,35 @@ fun testData() {
     }
 }
 
+/**
+ * Inserts spaces every 2 characters.
+ */
+fun chunkString(input: String): String {
+
+    val ret = StringBuilder()
+    var columns = 0
+
+    for (i in input.indices) {
+
+        if ((i + 1).rem(2) == 0) {
+
+            if (columns == 7) {
+                ret.append(input[i] + "\n")
+                columns = 0
+                continue
+            }
+
+            ret.append(input[i] + " ")
+            columns++
+            continue
+        }
+        ret.append(input[i])
+    }
+
+    return ret.toString()
+
+}
+
 fun expectId(param: String?) : Int {
 
     try {
@@ -227,6 +256,32 @@ fun main() {
                 return@get
             }
 
+            get("/ebics/subscribers/{id}/keyletter") {
+
+                val id = expectId(call.parameters["id"])
+                val (signPub, authPub, encPub) = transaction {
+                    val subscriber = EbicsSubscriberEntity.findById(id) ?: throw SubscriberNotFoundError(HttpStatusCode.NotFound)
+
+                    val signPubTmp = CryptoUtil.getRsaPublicFromPrivate(
+                        CryptoUtil.loadRsaPrivateKey(subscriber.signaturePrivateKey.toByteArray())
+                    )
+                    val authPubTmp = CryptoUtil.getRsaPublicFromPrivate(
+                        CryptoUtil.loadRsaPrivateKey(subscriber.authenticationPrivateKey.toByteArray())
+                    )
+                    val encPubTmp = CryptoUtil.getRsaPublicFromPrivate(
+                        CryptoUtil.loadRsaPrivateKey(subscriber.encryptionPrivateKey.toByteArray())
+                    )
+
+                    Triple(signPubTmp, authPubTmp, encPubTmp)
+                }
+
+                call.respondText(
+                    "Not implemented",
+                    ContentType.Text.Plain,
+                    HttpStatusCode.NotImplemented
+                )
+            }
+
             get("/ebics/subscribers") {
 
                 val ebicsSubscribers = transaction {
diff --git a/nexus/src/test/kotlin/LetterFormatTest.kt b/nexus/src/test/kotlin/LetterFormatTest.kt
@@ -0,0 +1,13 @@
+package tech.libeufin.nexus
+
+import org.junit.Test
+import tech.libeufin.sandbox.toHexString
+
+class LetterFormatTest {
+
+    @Test
+    fun chunkerTest() {
+        val blob = getNonce(1024)
+        println(chunkString(blob.toHexString()))
+    }
+}
+\ No newline at end of file