Add oid4vci default http clients

Signed-off-by: Tiago Nascimento <[email protected]>

MobileSdk/src/main/java/com/spruceid/mobile/sdk/OID4VCI.kt

@@ -0,0 +1,81 @@
+package com.spruceid.mobile.sdk
+
+import com.spruceid.mobile.sdk.rs.AsyncHttpClient
+import com.spruceid.mobile.sdk.rs.HttpRequest
+import com.spruceid.mobile.sdk.rs.HttpResponse
+import com.spruceid.mobile.sdk.rs.SyncHttpClient
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.withContext
+import java.io.BufferedInputStream
+import java.io.DataOutputStream
+import java.net.URL
+import javax.net.ssl.HttpsURLConnection
+
+class Oid4vciSyncHttpClient: SyncHttpClient  {
+    override fun httpClient(request: HttpRequest): HttpResponse {
+        val connection: HttpsURLConnection = URL(request.url).openConnection() as HttpsURLConnection
+
+        connection.requestMethod = request.method
+        for ((k, v) in request.headers) {
+            connection.setRequestProperty(k, v)
+        }
+        connection.doOutput = true
+        connection.doInput = true
+
+        val wr = DataOutputStream(connection.outputStream)
+        wr.write(request.body)
+        wr.flush()
+        wr.close()
+
+        val statusCode = connection.responseCode
+        val stream = BufferedInputStream(connection.inputStream)
+        val body = stream.readBytes()
+        stream.close()
+
+        val headers = connection.headerFields.mapValues { it.value.joinToString(",") }
+
+        return HttpResponse(
+            statusCode = statusCode.toUShort(),
+            headers = headers,
+            body = body,
+        )
+    }
+}
+
+class Oid4vciAsyncHttpClient: AsyncHttpClient {
+    override suspend fun httpClient(request: HttpRequest): HttpResponse {
+        val connection: HttpsURLConnection =
+            withContext(Dispatchers.IO) {
+                URL(request.url).openConnection()
+            } as HttpsURLConnection
+
+        connection.requestMethod = request.method
+        for ((k, v) in request.headers) {
+            connection.setRequestProperty(k, v)
+        }
+        connection.doOutput = true
+        connection.doInput = true
+
+        val wr = DataOutputStream(connection.outputStream)
+        withContext(Dispatchers.IO) {
+            wr.write(request.body)
+            wr.flush()
+            wr.close()
+        }
+
+        val statusCode = connection.responseCode
+        val body: ByteArray
+        withContext(Dispatchers.IO) {
+            val stream = BufferedInputStream(connection.inputStream)
+            body = stream.readBytes()
+            stream.close()
+        }
+        val headers = connection.headerFields.mapValues { it.value.joinToString(",") }
+
+        return HttpResponse(
+            statusCode = statusCode.toUShort(),
+            headers = headers,
+            body = body,
+        )
+    }
+}