OID4VCI Integration (#24)

Signed-off-by: Tiago Nascimento <tiago.nascimento@spruceid.com>

MobileSdk/build.gradle.kts

@@ -118,7 +118,7 @@ android {
 }
 
 dependencies {
-    api("com.spruceid.mobile.sdk.rs:mobilesdkrs:0.0.28")
+    api("com.spruceid.mobile.sdk.rs:mobilesdkrs:0.0.30")
     //noinspection GradleCompatible
     implementation("com.android.support:appcompat-v7:28.0.0")
     /* Begin UI dependencies */

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

@@ -45,7 +45,7 @@ public class BLESessionManager {
                     this.uuid,
                     "BLE",
                     "Central",
-                    sessionData.bleIdent.toByteArray(),
+                    sessionData.bleIdent,
                     ::updateRequestData,
                     callback
                 )

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

@@ -91,7 +91,7 @@ class CredentialsViewModel : ViewModel() {
                 _uuid.value,
                 "BLE",
                 "Central",
-                _session.value!!.bleIdent.toByteArray(),
+                _session.value!!.bleIdent,
                 ::updateRequestData,
                 null
             )
@@ -146,4 +146,4 @@ class CredentialsViewModel : ViewModel() {
             throw e
         }
     }
-}
+}

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,
+        )
+    }
+}