Set up AndroidStudio project. Create Android app able to make GetEntry requests

.gitignore

@@ -20,3 +20,14 @@
 
 # virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
 hs_err_pid*
+
+# AndroidStudio files
+*.iml
+.gradle
+/local.properties
+/.idea/workspace.xml
+/.idea/libraries
+.DS_Store
+/build
+/captures
+.externalNativeBuild

app/.gitignore

@@ -0,0 +1 @@
+/build

app/build.gradle

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+apply plugin: 'com.android.application'
+
+android {
+    compileSdkVersion 26
+    buildToolsVersion "26.0.0"
+    defaultConfig {
+        applicationId "com.google.keytransparencyandroid"
+        minSdkVersion 18
+        targetSdkVersion 26
+        versionCode 1
+        versionName "1.0"
+        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+    }
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+        }
+    }
+}
+
+dependencies {
+    compile fileTree(dir: 'libs', include: ['*.jar'])
+    androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
+        exclude group: 'com.android.support', module: 'support-annotations'
+    })
+    compile project(':keytransparency')
+    compile 'com.android.support:appcompat-v7:26.+'
+    compile 'com.android.support.constraint:constraint-layout:1.0.2'
+    compile 'com.android.support:design:26.+'
+    testCompile 'junit:junit:4.12'
+}

app/proguard-rules.pro

@@ -0,0 +1,25 @@
+# Add project specific ProGuard rules here.
+# By default, the flags in this file are appended to flags specified
+# in /Users/antonio.marcedone/Library/Android/sdk/tools/proguard/proguard-android.txt
+# You can edit the include path and order by changing the proguardFiles
+# directive in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# Add any project specific keep options here:
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile

app/src/androidTest/java/com/google/keytransparency/exampleapp/ExampleInstrumentedTest.java

@@ -0,0 +1,26 @@
+package com.google.exampleapp;
+
+import android.content.Context;
+import android.support.test.InstrumentationRegistry;
+import android.support.test.runner.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import static org.junit.Assert.*;
+
+/**
+ * Instrumentation test, which will execute on an Android device.
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+@RunWith(AndroidJUnit4.class)
+public class ExampleInstrumentedTest {
+    @Test
+    public void useAppContext() throws Exception {
+        // Context of the app under test.
+        Context appContext = InstrumentationRegistry.getTargetContext();
+
+        assertEquals("com.google.keytransparencyandroid", appContext.getPackageName());
+    }
+}

app/src/main/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.google.exampleapp">
+
+    <uses-permission android:name="android.permission.INTERNET" />
+    <application
+        android:allowBackup="true"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/AppTheme">
+        <activity android:name="com.google.keytransparency.exampleapp.KeyTransparencyExample">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>

app/src/main/java/com/google/keytransparency/exampleapp/KeyTransparencyExample.java

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+package com.google.keytransparency.exampleapp;
+
+import android.os.Bundle;
+import android.support.v7.app.AppCompatActivity;
+import android.text.method.ScrollingMovementMethod;
+import android.widget.TextView;
+
+import com.google.exampleapp.R;
+import com.google.keytransparency.KTClient;
+import com.google.keytransparency.KeyTransparencyException;
+
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+
+public class KeyTransparencyExample extends AppCompatActivity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_key_transparency_example);
+        TextView tv = (TextView) findViewById(R.id.textView);
+
+        tv.setText("");
+        tv.setMovementMethod(new ScrollingMovementMethod());
+
+        try{
+            tv.append("\n\n --- GetEntry test using library --- \n");
+
+            KTClient client = new KTClient("35.184.134.53:8080", 1, getApplicationContext(), R.raw.server, R.raw.vrf_pubkey, R.raw.p256_pubkey, R.raw.trillian_log);
+            try {
+                client.getEntry("user","app",1000);
+            } catch (KeyTransparencyException e) {
+                tv.append("Expected exception was raised: " + e);
+            }
+
+        } catch (IOException e) {
+            e.printStackTrace();
+            tv.append("\nError reading one of the public keys: "+e.getMessage());
+            throw new RuntimeException("Error reading one of the public keys: "+e.getMessage(),e );
+        }
+    }
+
+}

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

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:paddingLeft="16dp"
+    android:paddingRight="16dp"
+    android:orientation="horizontal"
+    android:gravity="center">
+
+
+    <TextView
+        android:id="@+id/textView"
+        android:scrollbars = "vertical"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:text=""
+    />
+
+
+</LinearLayout>

app/src/main/res/raw/p256_pubkey.pem

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+-----BEGIN PUBLIC KEY-----
+MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEKv9XdfRJkfSF16zbMfr1hCKQsFcF
+rZtX5urHF9ZDuOaR5xrCwd4Ji6dGxV2xNT87mi8kVAGQ/4q68QGt8rZ9Fw==
+-----END PUBLIC KEY-----

app/src/main/res/raw/server.crt

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+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----

app/src/main/res/raw/trillian_log.pem

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+-----BEGIN PUBLIC KEY-----
+MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEfzsONlxOpdPmNMtxsAahUGLgrwX+OSJDjTkLTgl3JaztUQnTpVh10DjYoaDhiJNiZqmKOPkxveVoPJ5Jr/Ex0Q==
+-----END PUBLIC KEY-----

app/src/main/res/raw/vrf_pubkey.pem

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+-----BEGIN PUBLIC KEY-----
+MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAENZuDzGYmrJuoG7EkD0O2OEasXxoO
+JA4HLQexWcF8MDgmlh27xS/Zwv20DNha8iBT26h2xNDo7exwVzL6+IBB2Q==
+-----END PUBLIC KEY-----

app/src/main/res/values/colors.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="colorPrimary">#3F51B5</color>
+    <color name="colorPrimaryDark">#303F9F</color>
+    <color name="colorAccent">#FF4081</color>
+</resources>

app/src/main/res/values/dimens.xml

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+<resources></resources>

app/src/main/res/values/strings.xml

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+<resources>
+    <string name="app_name">KeyTransparencyAndroid</string>
+</resources>