From 41e8dfae41147923e8a2d40650fe94e9bf94affc Mon Sep 17 00:00:00 2001
From: dankl <dankito@users.noreply.github.com>
Date: Thu, 3 Oct 2019 23:39:53 +0200
Subject: [PATCH] Started rudimentary version of FinTsClient

---
 .../kotlin/net/dankito/fints/FinTsClient.kt   | 42 +++++++++++++++++++
 .../dankito/fints/model/AccountCredentials.kt |  9 ++++
 .../net/dankito/fints/model/BankInfo.kt       |  8 ++++
 .../net/dankito/fints/model/ProductInfo.kt    |  7 ++++
 4 files changed, 66 insertions(+)
 create mode 100644 fints4javaLib/src/main/kotlin/net/dankito/fints/FinTsClient.kt
 create mode 100644 fints4javaLib/src/main/kotlin/net/dankito/fints/model/AccountCredentials.kt
 create mode 100644 fints4javaLib/src/main/kotlin/net/dankito/fints/model/BankInfo.kt
 create mode 100644 fints4javaLib/src/main/kotlin/net/dankito/fints/model/ProductInfo.kt

diff --git a/fints4javaLib/src/main/kotlin/net/dankito/fints/FinTsClient.kt b/fints4javaLib/src/main/kotlin/net/dankito/fints/FinTsClient.kt
new file mode 100644
index 00000000..97c48e62
--- /dev/null
+++ b/fints4javaLib/src/main/kotlin/net/dankito/fints/FinTsClient.kt
@@ -0,0 +1,42 @@
+package net.dankito.fints
+
+import net.dankito.fints.messages.nachrichten.implementierte.DialoginitialisierungAnonym
+import net.dankito.fints.model.BankInfo
+import net.dankito.fints.model.ProductInfo
+import net.dankito.fints.util.IBase64Service
+import net.dankito.utils.web.client.IWebClient
+import net.dankito.utils.web.client.OkHttpWebClient
+import net.dankito.utils.web.client.RequestParameters
+
+
+open class FinTsClient(
+    protected val base64Service: IBase64Service,
+    protected val webClient: IWebClient = OkHttpWebClient()
+) {
+
+
+    fun getBankInfo(bankInfo: BankInfo, productInfo: ProductInfo) {
+        val dialogInit = DialoginitialisierungAnonym(bankInfo.countryCode, bankInfo.bankCode,
+            productInfo.productName, productInfo.productVersion)
+
+        val requestBody = dialogInit.format()
+        val encodedRequestBody = base64Service.encode(requestBody)
+
+        val response = webClient.post(RequestParameters(bankInfo.finTsServerAddress, encodedRequestBody, "application/octet-stream"))
+
+        val responseBody = response.body
+        if (response.isSuccessful && responseBody != null) {
+
+            val decodedResponse = decodeBase64Response(responseBody)
+
+            if (decodedResponse != null) {
+
+            }
+        }
+    }
+
+    protected open fun decodeBase64Response(responseBody: String): String {
+        return base64Service.decode(responseBody.replace("\r", "").replace("\n", ""))
+    }
+
+}
\ No newline at end of file
diff --git a/fints4javaLib/src/main/kotlin/net/dankito/fints/model/AccountCredentials.kt b/fints4javaLib/src/main/kotlin/net/dankito/fints/model/AccountCredentials.kt
new file mode 100644
index 00000000..e2a789d2
--- /dev/null
+++ b/fints4javaLib/src/main/kotlin/net/dankito/fints/model/AccountCredentials.kt
@@ -0,0 +1,9 @@
+package net.dankito.fints.model
+
+
+open class AccountCredentials @JvmOverloads constructor(
+    val bankCode: String,
+    val customerId: String,
+    val pin: String,
+    val userId: String = customerId
+)
\ No newline at end of file
diff --git a/fints4javaLib/src/main/kotlin/net/dankito/fints/model/BankInfo.kt b/fints4javaLib/src/main/kotlin/net/dankito/fints/model/BankInfo.kt
new file mode 100644
index 00000000..68d8349c
--- /dev/null
+++ b/fints4javaLib/src/main/kotlin/net/dankito/fints/model/BankInfo.kt
@@ -0,0 +1,8 @@
+package net.dankito.fints.model
+
+
+open class BankInfo(
+    val bankCode: String,
+    val countryCode: Int,
+    val finTsServerAddress: String
+)
\ No newline at end of file
diff --git a/fints4javaLib/src/main/kotlin/net/dankito/fints/model/ProductInfo.kt b/fints4javaLib/src/main/kotlin/net/dankito/fints/model/ProductInfo.kt
new file mode 100644
index 00000000..bac47565
--- /dev/null
+++ b/fints4javaLib/src/main/kotlin/net/dankito/fints/model/ProductInfo.kt
@@ -0,0 +1,7 @@
+package net.dankito.fints.model
+
+
+open class ProductInfo(
+    val productName: String,
+    val productVersion: String
+)
\ No newline at end of file