Add react-native optimizations

.gitignore

@@ -5,3 +5,9 @@ npm-debug.log
 
 es
 lib
+
+ios/RNAWSCognito.xcodeproj/xcuserdata/
+ios/RNAWSCognito.project.xcworkspace/xcuserdata/
+ios/RNAWSCognito.xcodeproj/project.xcworkspace/xcuserdata/
+
+.DS_Store

NOTICE.txt

@@ -7,3 +7,28 @@ Copyright 2016 Amazon.com, Inc. or its affiliates. All Rights Reserved.
 
 This product includes software developed by Tom Wu at Stanford University.
 http://www-cs-students.stanford.edu/%7Etjw/jsbn/jsbn.js
+
+=========================================================================
+==                 JKBigInteger library Notice                        ==
+=========================================================================
+
+This product includes the JKBigInteger library licensed under the MIT license.
+
+Copyright (C) 2013 Jānis Kiršteins
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

README.md

@@ -134,6 +134,27 @@ migration.
 
 * Build your application bundle with `npm run build`
 
+## Install for React Native
+
+See [Using NPM and Webpack](https://github.com/aws/amazon-cognito-identity-js#using-npm-and-webpack) for more information on NPM.
+
+* Install and add to your dependencies the Amazon Cognito Identity SDK for JavaScript:
+
+```
+npm install --save amazon-cognito-identity-js
+```
+
+* Install react-native-cli if you have not already:
+
+```
+npm install -g react-native-cli
+```
+
+* Link the native modules to your project:
+
+```
+react-native link amazon-cognito-identity-js
+```
 
 ## Configuration
 

android/build.gradle

@@ -0,0 +1,34 @@
+buildscript {
+    repositories {
+        jcenter()
+    }
+
+    dependencies {
+        classpath 'com.android.tools.build:gradle:1.3.1'
+    }
+}
+
+apply plugin: 'com.android.library'
+
+android {
+    compileSdkVersion 23
+    buildToolsVersion "23.0.1"
+
+    defaultConfig {
+        minSdkVersion 16
+        targetSdkVersion 22
+        versionCode 1
+        versionName "1.0"
+    }
+    lintOptions {
+        abortOnError false
+    }
+}
+
+repositories {
+    mavenCentral()
+}
+
+dependencies {
+    compile 'com.facebook.react:react-native:+'
+}

android/src/main/AndroidManifest.xml

@@ -0,0 +1,4 @@
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+          package="com.amazonaws">
+
+</manifest>

android/src/main/java/com/amazonaws/RNAWSCognitoModule.java

@@ -0,0 +1,73 @@
+package com.amazonaws;
+
+import com.facebook.react.bridge.ReactApplicationContext;
+import com.facebook.react.bridge.ReactContextBaseJavaModule;
+import com.facebook.react.bridge.ReactMethod;
+import com.facebook.react.bridge.ReadableMap;
+import com.facebook.react.bridge.Callback;
+import java.math.BigInteger;
+
+public class RNAWSCognitoModule extends ReactContextBaseJavaModule {
+
+  private final ReactApplicationContext reactContext;
+
+  private static final String HEX_N = "FFFFFFFFFFFFFFFFC90FDAA22168C234C4C6628B80DC1CD1"
+          + "29024E088A67CC74020BBEA63B139B22514A08798E3404DD"
+          + "EF9519B3CD3A431B302B0A6DF25F14374FE1356D6D51C245"
+          + "E485B576625E7EC6F44C42E9A637ED6B0BFF5CB6F406B7ED"
+          + "EE386BFB5A899FA5AE9F24117C4B1FE649286651ECE45B3D"
+          + "C2007CB8A163BF0598DA48361C55D39A69163FA8FD24CF5F"
+          + "83655D23DCA3AD961C62F356208552BB9ED529077096966D"
+          + "670C354E4ABC9804F1746C08CA18217C32905E462E36CE3B"
+          + "E39E772C180E86039B2783A2EC07A28FB5C55DF06F4C52C9"
+          + "DE2BCBF6955817183995497CEA956AE515D2261898FA0510"
+          + "15728E5A8AAAC42DAD33170D04507A33A85521ABDF1CBA64"
+          + "ECFB850458DBEF0A8AEA71575D060C7DB3970F85A6E1E4C7"
+          + "ABF5AE8CDB0933D71E8C94E04A25619DCEE3D2261AD2EE6B"
+          + "F12FFA06D98A0864D87602733EC86A64521F2B18177B200C"
+          + "BBE117577A615D6C770988C0BAD946E208E24FA074E5AB31"
+          + "43DB5BFCE0FD108E4B82D120A93AD2CAFFFFFFFFFFFFFFFF";
+
+  private static final BigInteger N = new BigInteger(HEX_N, 16);
+
+  public RNAWSCognitoModule(ReactApplicationContext reactContext) {
+    super(reactContext);
+    this.reactContext = reactContext;
+  }
+
+  @Override
+  public String getName() {
+    return "RNAWSCognito";
+  }
+
+  @ReactMethod
+  public void computeModPow(final ReadableMap values, final Callback callback) {
+    try {
+      final BigInteger target = new BigInteger(values.getString("target"), 16);
+      final BigInteger value = new BigInteger(values.getString("value"), 16);
+      final BigInteger modifier = new BigInteger(values.getString("modifier"), 16);
+      final BigInteger result = target.modPow(value, modifier);
+      callback.invoke(null, result.toString(16));
+    } catch (final Exception e) {
+      callback.invoke(e.getMessage(), null);
+    }
+  }
+
+  @ReactMethod
+  public void computeS(final ReadableMap values, final Callback callback) {
+    try {
+      final BigInteger g = new BigInteger(values.getString("g"), 16);
+      final BigInteger x = new BigInteger(values.getString("x"), 16);
+      final BigInteger k = new BigInteger(values.getString("k"), 16);
+      final BigInteger a = new BigInteger(values.getString("a"), 16);
+      final BigInteger b = new BigInteger(values.getString("b"), 16);
+      final BigInteger u = new BigInteger(values.getString("u"), 16);
+      final BigInteger exp = a.add(u.multiply(x));
+      final BigInteger base = b.subtract(k.multiply(g.modPow(x, N)));
+      final BigInteger result = base.modPow(exp, N).mod(N);
+      callback.invoke(null, result.toString(16));
+    } catch (final Exception e) {
+      callback.invoke(e.getMessage(), null);
+    }
+  }
+}

android/src/main/java/com/amazonaws/RNAWSCognitoPackage.java

@@ -0,0 +1,27 @@
+package com.amazonaws;
+
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+
+import com.facebook.react.ReactPackage;
+import com.facebook.react.bridge.NativeModule;
+import com.facebook.react.bridge.ReactApplicationContext;
+import com.facebook.react.uimanager.ViewManager;
+import com.facebook.react.bridge.JavaScriptModule;
+
+public class RNAWSCognitoPackage implements ReactPackage {
+    @Override
+    public List<NativeModule> createNativeModules(ReactApplicationContext reactContext) {
+      return Arrays.<NativeModule>asList(new RNAWSCognitoModule(reactContext));
+    }
+
+    public List<Class<? extends JavaScriptModule>> createJSModules() {
+      return Collections.emptyList();
+    }
+
+    @Override
+    public List<ViewManager> createViewManagers(ReactApplicationContext reactContext) {
+      return Collections.emptyList();
+    }
+}