initial commit

.gitignore

@@ -0,0 +1,13 @@
+*.iml
+.gradle
+/local.properties
+/.idea/caches
+/.idea/libraries
+/.idea/modules.xml
+/.idea/workspace.xml
+/.idea/navEditor.xml
+/.idea/assetWizardSettings.xml
+.DS_Store
+/build
+/captures
+.externalNativeBuild

app/.gitignore

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+/build

app/build.gradle

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+apply plugin: 'com.android.application'
+
+android {
+    compileSdkVersion 28
+    defaultConfig {
+        applicationId "com.warrag.automaticotpreceiver"
+        minSdkVersion 19
+        targetSdkVersion 28
+        versionCode 1
+        versionName "1.0"
+        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+    }
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+    }
+}
+
+dependencies {
+    implementation fileTree(dir: 'libs', include: ['*.jar'])
+    implementation 'com.android.support:appcompat-v7:28.0.0'
+    implementation 'com.android.support.constraint:constraint-layout:1.1.3'
+    testImplementation 'junit:junit:4.12'
+    androidTestImplementation 'com.android.support.test:runner:1.0.2'
+    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
+
+    implementation project(':otpreader')
+}

app/proguard-rules.pro

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+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# 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/warrag/automaticotpreceiver/ExampleInstrumentedTest.java

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+package com.warrag.automaticotpreceiver;
+
+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.*;
+
+/**
+ * Instrumented 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() {
+        // Context of the app under test.
+        Context appContext = InstrumentationRegistry.getTargetContext();
+
+        assertEquals("com.warrag.automaticotpreceiver", 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.warrag.automaticotpreceiver">
+
+    <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=".MainActivity">
+            <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/warrag/automaticotpreceiver/AppSignatureHelper.java

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+package com.warrag.automaticotpreceiver;
+
+import android.content.Context;
+import android.content.ContextWrapper;
+import android.content.pm.PackageManager;
+import android.content.pm.Signature;
+import android.util.Base64;
+import android.util.Log;
+
+import java.nio.charset.StandardCharsets;
+import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
+import java.util.ArrayList;
+import java.util.Arrays;
+
+public class AppSignatureHelper  extends ContextWrapper {
+    public static final String TAG = AppSignatureHelper.class.getSimpleName();
+
+    private static final String HASH_TYPE = "SHA-256";
+    public static final int NUM_HASHED_BYTES = 9;
+    public static final int NUM_BASE64_CHAR = 11;
+
+    public AppSignatureHelper(Context context) {
+        super(context);
+    }
+
+    /**
+     * Get all the app signatures for the current package
+     *
+     * @return
+     */
+    public ArrayList<String> getAppSignatures() {
+        ArrayList<String> appCodes = new ArrayList<>();
+
+        try {
+            // Get all package signatures for the current package
+            String packageName = getPackageName();
+            PackageManager packageManager = getPackageManager();
+            Signature[] signatures = packageManager.getPackageInfo(packageName,
+                    PackageManager.GET_SIGNATURES).signatures;
+
+            // For each signature create a compatible hash
+            for (Signature signature : signatures) {
+                String hash = hash(packageName, signature.toCharsString());
+                if (hash != null) {
+                    appCodes.add(String.format("%s", hash));
+                }
+            }
+        } catch (PackageManager.NameNotFoundException e) {
+            Log.v(TAG, "Unable to find package to obtain hash.", e);
+        }
+        return appCodes;
+    }
+
+    private static String hash(String packageName, String signature) {
+        String appInfo = packageName + " " + signature;
+        try {
+            MessageDigest messageDigest = MessageDigest.getInstance(HASH_TYPE);
+            messageDigest.update(appInfo.getBytes(StandardCharsets.UTF_8));
+            byte[] hashSignature = messageDigest.digest();
+
+            // truncated into NUM_HASHED_BYTES
+            hashSignature = Arrays.copyOfRange(hashSignature, 0, NUM_HASHED_BYTES);
+            // encode into Base64
+            String base64Hash = Base64.encodeToString(hashSignature, Base64.NO_PADDING | Base64.NO_WRAP);
+            base64Hash = base64Hash.substring(0, NUM_BASE64_CHAR);
+
+            Log.v(TAG + "sms_sample_test", String.format("pkg: %s -- hash: %s", packageName, base64Hash));
+            return base64Hash;
+        } catch (NoSuchAlgorithmException e) {
+            Log.v(TAG+ "sms_sample_test", "hash:NoSuchAlgorithm", e);
+        }
+        return null;
+    }
+}

app/src/main/java/com/warrag/automaticotpreceiver/MainActivity.java

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+package com.warrag.automaticotpreceiver;
+
+import android.support.v7.app.AppCompatActivity;
+import android.os.Bundle;
+import android.util.Log;
+
+import com.warrag.otpreader.OTPBroadcastReceiver;
+import com.warrag.otpreader.OTPManager;
+
+public class MainActivity extends AppCompatActivity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_main);
+        getAppSignatures();
+        new OTPManager.OTPManagerBuilder(this).setListener(new OTPBroadcastReceiver.OTPReceiverListener() {
+            @Override
+            public void onOTPReceived(String message) {
+                //PArse the message here and decide what to do
+            }
+
+            @Override
+            public void onOTPTimeout() {
+                //Handle timeout here, it means 5 minutes passed without receiving the sms
+            }
+        }).build().start();
+    }
+
+
+    private void getAppSignatures(){
+        AppSignatureHelper appSignatureHelper = new AppSignatureHelper(this);
+        for (String signature:
+                appSignatureHelper.getAppSignatures()) {
+            Log.e("APPSignature",signature + "\n");
+        };
+    }
+}

app/src/main/res/drawable-v24/ic_launcher_foreground.xml

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+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:aapt="http://schemas.android.com/aapt"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <path
+        android:fillType="evenOdd"
+        android:pathData="M32,64C32,64 38.39,52.99 44.13,50.95C51.37,48.37 70.14,49.57 70.14,49.57L108.26,87.69L108,109.01L75.97,107.97L32,64Z"
+        android:strokeWidth="1"
+        android:strokeColor="#00000000">
+        <aapt:attr name="android:fillColor">
+            <gradient
+                android:endX="78.5885"
+                android:endY="90.9159"
+                android:startX="48.7653"
+                android:startY="61.0927"
+                android:type="linear">
+                <item
+                    android:color="#44000000"
+                    android:offset="0.0" />
+                <item
+                    android:color="#00000000"
+                    android:offset="1.0" />
+            </gradient>
+        </aapt:attr>
+    </path>
+    <path
+        android:fillColor="#FFFFFF"
+        android:fillType="nonZero"
+        android:pathData="M66.94,46.02L66.94,46.02C72.44,50.07 76,56.61 76,64L32,64C32,56.61 35.56,50.11 40.98,46.06L36.18,41.19C35.45,40.45 35.45,39.3 36.18,38.56C36.91,37.81 38.05,37.81 38.78,38.56L44.25,44.05C47.18,42.57 50.48,41.71 54,41.71C57.48,41.71 60.78,42.57 63.68,44.05L69.11,38.56C69.84,37.81 70.98,37.81 71.71,38.56C72.44,39.3 72.44,40.45 71.71,41.19L66.94,46.02ZM62.94,56.92C64.08,56.92 65,56.01 65,54.88C65,53.76 64.08,52.85 62.94,52.85C61.8,52.85 60.88,53.76 60.88,54.88C60.88,56.01 61.8,56.92 62.94,56.92ZM45.06,56.92C46.2,56.92 47.13,56.01 47.13,54.88C47.13,53.76 46.2,52.85 45.06,52.85C43.92,52.85 43,53.76 43,54.88C43,56.01 43.92,56.92 45.06,56.92Z"
+        android:strokeWidth="1"
+        android:strokeColor="#00000000" />
+</vector>