Change TOTPUtils to PACUtils and update format of data to work with

library/src/main/java/com/wultra/android/mtokensdk/operation/PACUtils.kt

@@ -0,0 +1,62 @@
+/*
+ * Copyright 2023 Wultra s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ */
+
+package com.wultra.android.mtokensdk.operation
+
+import android.net.Uri
+import com.google.gson.annotations.SerializedName
+import com.wultra.android.mtokensdk.common.Logger
+
+/**
+ * Utility class used for handling TOTP
+ */
+class PACUtils {
+
+    /** Data which is return after parsing PAC code */
+    data class PACData(
+
+        /** Time-based one time password used for Proximity antifraud check */
+        @SerializedName("oid")
+        val operationId: String,
+
+        /** The ID of the operation associated with the PAC */
+        val totp: String?
+    )
+
+    companion object {
+
+        /** Method accepts deeplink URL and returns PAC data */
+        fun parseDeeplink(uri: Uri): PACData? {
+            val components = Uri.parse(uri.toString())
+
+            components.getQueryParameter("oid")?.let { operationId ->
+                val totp = components.getQueryParameter("totp")
+                return PACData(operationId, totp)
+            } ?: run {
+                Logger.e("Failed to get operationId from query items keys: ${components.queryParameterNames}")
+                return null
+            }
+        }
+
+        /** Method accepts scanned code as a String and returns PAC data */
+        fun parseQRCode(code: String): PACData? {
+            val encodedURLString = Uri.encode(code)
+            val uri = Uri.parse(encodedURLString)
+
+            return parseDeeplink(uri)
+        }
+    }
+}