Add basic REST communication. Initial minimum viable product.

.idea/vcs.xml

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+    <mapping directory="$USER_HOME$/Documents/Dev/java/automfa" vcs="Git" />
+  </component>
+</project>

app/src/main/AndroidManifest.xml

@@ -16,6 +16,7 @@
         android:label="@string/app_name"
         android:supportsRtl="true"
         android:theme="@style/Theme.AutoMFA"
+        android:usesCleartextTraffic="true"
         tools:targetApi="31">
         <receiver android:name="net.femsci.automfa.SmsReceiver" android:exported="true"
             android:permission="android.permission.BROADCAST_SMS">
@@ -27,7 +28,6 @@
         <activity
             android:name=".MainActivity"
             android:exported="true"
-            android:label="@string/app_name"
             android:theme="@style/Theme.AutoMFA.NoActionBar">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />

app/src/main/java/net/femsci/automfa/AutoMFAGateway.kt

@@ -1,19 +1,43 @@
 package net.femsci.automfa
 
+import android.util.JsonWriter
+import java.io.OutputStreamWriter
 import java.net.HttpURLConnection
+import java.net.URI
 import java.net.URL
+import java.util.concurrent.Executors
+import java.util.concurrent.FutureTask
+import java.util.concurrent.TimeUnit
 
 class AutoMFAGateway {
     companion object {
-        lateinit var url: URL
+        lateinit var uri: URI
+        var connected: Boolean = false
+
+        private fun createClient(path: String, post: Boolean): HttpURLConnection {
+            val url = URL("${uri.scheme}://${uri.authority}$path")
+            val http = url.openConnection() as HttpURLConnection
+
+            if(post) {
+                http.requestMethod = "POST"
+                http.doOutput = true
+            } else {
+                http.requestMethod = "GET"
+            }
+
+            http.setRequestProperty("User-Agent", "AutoMFA v1.0.0E")
+            http.setRequestProperty("Content-Type", "application/json")
+            http.setRequestProperty("Accept", "application/json")
+
+            return http
+        }
 
         fun connect(addr: String): Boolean
         {
-            return try {
+            val task = FutureTask {
-                url = URL(addr)
+                try {
-                println("url: $url")
+                    uri = URI(addr)
-                val http = url.openConnection() as HttpURLConnection
+                    val http = createClient("/ping", false)
-                http.requestMethod = "GET"
 
                     println("r: ${http.responseCode}")
                     http.responseCode == 200
@@ -22,5 +46,48 @@ class AutoMFAGateway {
                     false
                 }
             }
+
+            val exe = Executors.newCachedThreadPool()
+            exe.submit(task)
+            return try {
+                val result = task.get(5, TimeUnit.SECONDS)
+                connected = result
+                result
+            } catch(_: Exception) {
+                connected = false
+                return false
+            }
+
+        }
+
+        fun publish(message: MessageModel): Boolean
+        {
+            val task = FutureTask {
+                try {
+                    val http = createClient("/data/publish", true)
+
+                    val out = http.outputStream
+                    val writer = OutputStreamWriter(out, "UTF-8")
+                    val json = JsonWriter(writer)
+                    json.beginObject().name("MessageRaw").value(message.messageRaw).name("Timestamp").value(message.timestamp).endObject().toString()
+                    json.flush()
+
+                    println("r: ${http.responseCode}")
+                    http.responseCode == 200
+                } catch (e: Exception) {
+                    e.printStackTrace()
+                    false
+                }
+            }
+
+            val exe = Executors.newCachedThreadPool()
+            exe.submit(task)
+            return try {
+                task.get(5, TimeUnit.SECONDS)
+            } catch(_: Exception)
+            {
+                false
+            }
+        }
     }
 }

app/src/main/java/net/femsci/automfa/MainActivity.kt

@@ -6,9 +6,9 @@ import android.view.Menu
 import android.view.MenuItem
 import android.widget.Toast
 import androidx.appcompat.app.AppCompatActivity
-import androidx.core.widget.addTextChangedListener
 import androidx.navigation.ui.AppBarConfiguration
 import net.femsci.automfa.databinding.ActivityMainBinding
+import java.time.Instant
 
 class MainActivity : AppCompatActivity(), MessageListener {
 
@@ -22,13 +22,13 @@ class MainActivity : AppCompatActivity(), MessageListener {
         setContentView(binding.root)
 
         binding.btnServer.setOnClickListener {
-            val addr = binding.srvAddr.text.toString();
+            val addr = binding.srvAddr.text.toString()
 
             if (AutoMFAGateway.connect(addr)) {
-                binding.txtStatus.setTextColor(Color.GREEN);
+                binding.txtStatus.setTextColor(Color.GREEN)
                 binding.txtStatus.text = "Connection established."
             } else {
-                binding.txtStatus.setTextColor(Color.RED);
+                binding.txtStatus.setTextColor(Color.RED)
                 binding.txtStatus.text = "Connection failed..."
             }
         }
@@ -54,5 +54,8 @@ class MainActivity : AppCompatActivity(), MessageListener {
 
     override fun messageReceived(msg: String) {
         Toast.makeText(this, "New msg: $msg", Toast.LENGTH_SHORT).show()
+        if (AutoMFAGateway.connected) {
+            AutoMFAGateway.publish(MessageModel(Instant.now().toEpochMilli(), msg))
+        }
     }
 }

app/src/main/java/net/femsci/automfa/MessageModel.kt

@@ -0,0 +1,3 @@
+package net.femsci.automfa
+
+data class MessageModel(val timestamp: Long, val messageRaw: String)

app/src/main/res/layout/activity_main.xml

@@ -12,24 +12,48 @@
         android:layout_height="match_parent"
         android:orientation="vertical">
 
-        <EditText
-            android:id="@+id/srvAddr"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:ems="10"
-            android:inputType="textPersonName"
-            android:text="Address" />
-
         <TextView
             android:id="@+id/txtStatus"
             android:layout_width="match_parent"
             android:layout_height="wrap_content" />
 
+        <TextView
+            android:id="@+id/addrLabel"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="Address:"
+            android:labelFor="@id/srvAddr"/>
+
+        <EditText
+            android:id="@+id/srvAddr"
+            android:layout_width="match_parent"
+            android:layout_height="55dp"
+            android:ems="10"
+            android:inputType="textPersonName"
+            android:text="http://10.0.0.40:8080" />
+
         <Button
             android:id="@+id/btnServer"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:text="Set server" />
+
+        <ScrollView
+            android:layout_width="match_parent"
+            android:layout_height="match_parent">
+
+            <LinearLayout
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:orientation="vertical" >
+
+                <androidx.recyclerview.widget.RecyclerView
+                    android:id="@+id/listLogs"
+                    android:layout_width="match_parent"
+                    android:layout_height="590dp" />
+            </LinearLayout>
+        </ScrollView>
+
     </LinearLayout>
 
 </androidx.coordinatorlayout.widget.CoordinatorLayout>

build.gradle

@@ -1,6 +1,6 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 plugins {
-    id 'com.android.application' version '7.4.0' apply false
+    id 'com.android.application' version '7.4.2' apply false
-    id 'com.android.library' version '7.4.0' apply false
+    id 'com.android.library' version '7.4.2' apply false
     id 'org.jetbrains.kotlin.android' version '1.7.21' apply false
 }