Merge pull request #1198 from mozilla/vnext

Merge vnext into master

.dockerignore

@@ -5,7 +5,6 @@ node_modules
 firefox
 assets
 docs
-public
 test
 coverage
 .nyc_output

.eslintignore

@@ -2,3 +2,5 @@ dist
 assets
 firefox
 coverage
+app/locale.js
+app/capabilities.js

.eslintrc.yml

@@ -14,6 +14,9 @@ plugins:
 root: true
 
 rules:
+  node/no-deprecated-api: off
+  node/no-unsupported-features/es-syntax: off
+  node/no-unsupported-features/node-builtins: off
   node/no-unpublished-require: off
 
   security/detect-non-literal-fs-filename: off

.gitignore

@@ -6,3 +6,10 @@ dist
 .nyc_output
 .tox
 .pytest_cache
+*.iml
+android/app/src/main/assets
+ios/send-ios/assets/ios.js
+ios/send-ios/assets/vendor.js
+ios/send-ios.xcodeproj/project.xcworkspace/xcuserdata/*
+ios/send-ios.xcodeproj/xcuserdata/*
+test/integration/downloads

.prettierignore

@@ -1,3 +1,4 @@
 dist
-assets/*.js
+android/app/src/main/assets
+android/app/build
 coverage

.pyup.yml

@@ -1,7 +0,0 @@
-# autogenerated pyup.io config file
-# see https://pyup.io/docs/configuration/ for all available options
-
-schedule: every week
-requirements:
-- test/integration/Pipfile
-- test/integration/pipenv.txt

.stylelintrc

@@ -10,3 +10,4 @@ rules:
   declaration-colon-newline-after: null
   selector-list-comma-newline-after: null
   value-list-comma-newline-after: null
+  at-rule-no-unknown: null

.vscode/settings.json

@@ -0,0 +1,2 @@
+{
+}

Dockerfile

@@ -14,4 +14,4 @@ COPY --chown=app:app . .
 ENV PORT=1443
 EXPOSE $PORT
 
-CMD ["node", "server/prod.js"]
+CMD ["node", "server/bin/prod.js"]

README.md

@@ -2,7 +2,6 @@
 
 [![BrowserStack Status](https://www.browserstack.com/automate/badge.svg?badge_key=aFFIMHNEWFcrNHJaMU1LRkJnUDhOQkNHMmh2WHBscjJsZHcwK1h0dkhwdz0tLXRpN1RXcysybUtxTFFTVGRtWjVGeHc9PQ==--c56129be8c75941b115c5b5e5d3ed10b3c7dca6b)](https://www.browserstack.com/automate/public-build/aFFIMHNEWFcrNHJaMU1LRkJnUDhOQkNHMmh2WHBscjJsZHcwK1h0dkhwdz0tLXRpN1RXcysybUtxTFFTVGRtWjVGeHc9PQ==--c56129be8c75941b115c5b5e5d3ed10b3c7dca6b)
 [![CircleCI](https://img.shields.io/circleci/project/github/mozilla/send.svg)](https://circleci.com/gh/mozilla/send)
-[![Available on Test Pilot](https://img.shields.io/badge/available_on-Test_Pilot-0996F8.svg)](https://testpilot.firefox.com/experiments/send)
 
 **Docs:** [FAQ](docs/faq.md), [Encryption](docs/encryption.md), [Build](docs/build.md), [Docker](docs/docker.md), [Metrics](docs/metrics.md), [More](docs/)
 
@@ -18,6 +17,7 @@
 * [Localization](#localization)
 * [Contributing](#contributing)
 * [Testing](#testing)
+* [Android](#android)
 * [License](#license)
 
 ---
@@ -30,7 +30,7 @@ A file sharing experiment which allows you to send encrypted files to other user
 
 ## Requirements
 
-- [Node.js 8.2+](https://nodejs.org/)
+- [Node.js 10.0+](https://nodejs.org/)
 - [Redis server](https://redis.io/) (optional for development)
 - [AWS S3](https://aws.amazon.com/s3/) or compatible service. (optional)
 
@@ -92,6 +92,12 @@ Pull requests are always welcome! Feel free to check out the list of ["good firs
 
 ---
 
+## Android
+
+The android implementation is contained in the `android` directory, and can be viewed locally for easy testing and editing by running `ANDROID=1 npm start` and then visiting <http://localhost:8080>. CSS and image files are located in the `android/app/src/main/assets` directory.
+
+---
+
 ## License
 
 [Mozilla Public License Version 2.0](LICENSE)

android/.eslintrc.yaml

@@ -0,0 +1,6 @@
+env:
+  browser: true
+
+parserOptions:
+  sourceType: module
+

android/.gitignore

@@ -0,0 +1,4 @@
+local.properties
+.gradle
+build
+

android/README.md

@@ -0,0 +1,9 @@
+Readme
+=====
+
+The Send Android app allows you to choose any file from your android device, encrypt it with a password, and get a URL which will allow secure download of the file. By default, this URL will expire after one download or 24 hours.
+
+Building the Send Android app.
+=====
+
+First, install Android Studio. Open the `android` directory in Android Studio, plug in your android phone, and press the run button.

android/SendAndroid.iml

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module external.linked.project.id="SendAndroid" external.linked.project.path="$MODULE_DIR$" external.root.project.path="$MODULE_DIR$" external.system.id="GRADLE" type="JAVA_MODULE" version="4">
+  <component name="FacetManager">
+    <facet type="java-gradle" name="Java-Gradle">
+      <configuration>
+        <option name="BUILD_FOLDER_PATH" value="$MODULE_DIR$/build" />
+        <option name="BUILDABLE" value="false" />
+      </configuration>
+    </facet>
+  </component>
+  <component name="NewModuleRootManager" LANGUAGE_LEVEL="JDK_1_7" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <excludeFolder url="file://$MODULE_DIR$/.gradle" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>

android/android.js

@@ -0,0 +1,93 @@
+/* global window, navigator */
+import choo from 'choo';
+import html from 'choo/html';
+import Raven from 'raven-js';
+
+import { setApiUrlPrefix, getConstants } from '../app/api';
+import metrics from '../app/metrics';
+//import assets from '../common/assets';
+import Archive from '../app/archive';
+import Header from '../app/ui/header';
+import storage from '../app/storage';
+import controller from '../app/controller';
+import User from './user';
+import intents from './stores/intents';
+import home from './pages/home';
+import upload from './pages/upload';
+import share from './pages/share';
+import preferences from './pages/preferences';
+import error from './pages/error';
+import { getTranslator } from '../app/locale';
+
+if (navigator.userAgent === 'Send Android') {
+  setApiUrlPrefix('https://send2.dev.lcip.org');
+}
+
+const app = choo();
+//app.use(state);
+app.use(controller);
+app.use(intents);
+
+function body(main) {
+  return function(state, emit) {
+    /*
+      Disable the preferences menu for now since it is ugly and isn't
+      relevant to the beta
+    function clickPreferences(event) {
+      event.preventDefault();
+      emit('pushState', '/preferences');
+    }
+
+    const menu = html`<a
+        id="hamburger"
+        class="absolute pin-t pin-r z-50"
+        href="#"
+        onclick="${clickPreferences}"
+      >
+        <img src="${assets.get('preferences.png')}" />
+      </a>`;
+    */
+    return html`
+      <body
+        class="flex flex-col items-center font-sans bg-grey-lightest h-screen"
+      >
+        ${state.cache(Header, 'header').render()} ${main(state, emit)}
+      </body>
+    `;
+  };
+}
+(async function start() {
+  const translate = await getTranslator('en-US');
+  const { LIMITS, DEFAULTS } = await getConstants();
+  app.use((state, emitter) => {
+    state.LIMITS = LIMITS;
+    state.DEFAULTS = DEFAULTS;
+    state.translate = translate;
+    state.capabilities = {
+      account: true
+    }; //TODO
+    state.archive = new Archive([], DEFAULTS.EXPIRE_SECONDS);
+    state.storage = storage;
+    state.user = new User(storage, LIMITS);
+    state.raven = Raven;
+
+    window.finishLogin = async function(accountInfo) {
+      await state.user.finishLogin(accountInfo);
+      await state.user.syncFileList();
+      emitter.emit('replaceState', '/');
+    };
+
+    // for debugging
+    window.appState = state;
+    window.appEmit = emitter.emit.bind(emitter);
+  });
+  app.use(metrics);
+  app.route('/', body(home));
+  app.route('/upload', upload);
+  app.route('/share/:id', share);
+  app.route('/preferences', preferences);
+  app.route('/error', error);
+  //app.route('/debugging', require('./pages/debugging').default);
+  // add /api/filelist
+  app.mount('body');
+})();

android/app/.gitignore

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

android/app/build.gradle

@@ -0,0 +1,43 @@
+apply plugin: 'com.android.application'
+
+apply plugin: 'kotlin-android'
+
+apply plugin: 'kotlin-android-extensions'
+
+android {
+    compileSdkVersion 27
+    defaultConfig {
+        applicationId "org.mozilla.sendandroid"
+        minSdkVersion 26
+        targetSdkVersion 27
+        versionCode 1
+        versionName "1.0"
+        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+    }
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+        }
+    }
+}
+
+dependencies {
+    implementation fileTree(dir: 'libs', include: ['*.jar'])
+    implementation"org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
+    implementation 'com.android.support:appcompat-v7:27.1.1'
+    implementation 'com.android.support.constraint:constraint-layout:1.1.3'
+    testImplementation 'junit:junit:4.12'
+    androidTestImplementation 'com.android.support.test:runner:1.0.2'
+    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
+    implementation 'com.github.delight-im:Android-AdvancedWebView:v3.0.0'
+    implementation "org.mozilla.components:service-firefox-accounts:${rootProject.ext.android_components_version}"
+}
+
+task generateAndLinkBundle(type: Exec, description: 'Generate the android.js bundle and link it into the assets directory') {
+    commandLine './buildAssets.sh'
+}
+
+tasks.withType(JavaCompile) {
+    compileTask -> compileTask.dependsOn generateAndLinkBundle
+}

android/app/buildAssets.sh

@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+if [ -d "../../node_modules" ]
+then
+  echo "node_modules already present."
+else
+  echo "node_modules not present, running npm install."
+  npm install
+fi
+npm run build
+rm -rf src/main/assets
+mkdir -p src/main/assets
+cp -R ../../dist/* src/main/assets

android/app/proguard-rules.pro

@@ -0,0 +1,21 @@
+# 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

android/app/src/main/AndroidManifest.xml

@@ -0,0 +1,35 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="org.mozilla.sendandroid">
+
+    <uses-permission android:name="android.permission.INTERNET"/>
+    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
+
+    <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">
+        <meta-data android:name="android.webkit.WebView.EnableSafeBrowsing" android:value="false" />
+        <activity android:name=".MainActivity" android:screenOrientation="portrait">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+            <intent-filter>
+                <action android:name="android.intent.action.SEND" />
+                <category android:name="android.intent.category.DEFAULT" />
+                <data android:mimeType="image/*" />
+            </intent-filter>
+            <intent-filter>
+                <action android:name="android.intent.action.SEND" />
+                <category android:name="android.intent.category.DEFAULT" />
+                <data android:mimeType="text/plain" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>

android/app/src/main/java/org/mozilla/sendandroid/MainActivity.kt

@@ -0,0 +1,220 @@
+package org.mozilla.sendandroid
+
+
+import android.support.v7.app.AppCompatActivity
+import android.os.Bundle
+import im.delight.android.webview.AdvancedWebView
+import android.graphics.Bitmap
+import android.content.Context
+import android.content.Intent
+import android.annotation.SuppressLint
+import android.content.ComponentName
+import android.net.Uri
+import android.webkit.WebView
+import android.webkit.WebMessage
+import android.util.Log
+import android.util.Base64
+import android.view.View
+import android.webkit.ConsoleMessage
+import android.webkit.JavascriptInterface
+import android.webkit.WebChromeClient
+import mozilla.components.service.fxa.Config
+import mozilla.components.service.fxa.FirefoxAccount
+import mozilla.components.service.fxa.OAuthInfo
+import mozilla.components.service.fxa.Profile
+import mozilla.components.service.fxa.FxaResult
+
+internal class LoggingWebChromeClient : WebChromeClient() {
+    override fun onConsoleMessage(cm: ConsoleMessage): Boolean {
+        Log.w("CONTENT", String.format("%s @ %d: %s",
+                cm.message(), cm.lineNumber(), cm.sourceId()))
+        return true
+    }
+}
+
+class WebAppInterface(private val mContext: MainActivity) {
+    @JavascriptInterface
+    fun beginOAuthFlow() {
+        mContext.beginOAuthFlow();
+    }
+
+    @JavascriptInterface
+    fun shareUrl(url: String) {
+        mContext.shareUrl(url)
+    }
+}
+
+class MainActivity : AppCompatActivity(), AdvancedWebView.Listener {
+    private var mWebView: AdvancedWebView? = null
+    private var mToShare: String? = null
+    private var mToCall: String? = null
+    private var mAccount: FirefoxAccount? = null
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_main)
+
+        // https://developers.google.com/web/tools/chrome-devtools/remote-debugging/webviews
+        // WebView.setWebContentsDebuggingEnabled(true); // TODO only dev builds
+
+        mWebView = findViewById<WebView>(R.id.webview) as AdvancedWebView
+        mWebView!!.setListener(this, this)
+        mWebView!!.setWebChromeClient(LoggingWebChromeClient())
+        mWebView!!.addJavascriptInterface(WebAppInterface(this), "Android")
+        mWebView!!.setLayerType(View.LAYER_TYPE_HARDWARE, null);
+
+        val webSettings = mWebView!!.getSettings()
+        webSettings.setUserAgentString("Send Android")
+        webSettings.setAllowUniversalAccessFromFileURLs(true)
+        webSettings.setJavaScriptEnabled(true)
+
+        val intent = getIntent()
+        val action = intent.getAction()
+        val type = intent.getType()
+
+        if (Intent.ACTION_SEND.equals(action) && type != null) {
+            if (type.equals("text/plain")) {
+                val sharedText = intent.getStringExtra(Intent.EXTRA_TEXT)
+                Log.w("INTENT", "text/plain " + sharedText)
+                mToShare = "data:text/plain;base64," + Base64.encodeToString(sharedText.toByteArray(), 16).trim()
+            } else if (type.startsWith("image/")) {
+                val imageUri = intent.getParcelableExtra(Intent.EXTRA_STREAM) as Uri
+                Log.w("INTENT", "image/ " + imageUri)
+                mToShare = "data:text/plain;base64," + Base64.encodeToString(imageUri.path.toByteArray(), 16).trim()
+            }
+        }
+        mWebView!!.loadUrl("file:///android_asset/android.html")
+
+    }
+
+    fun beginOAuthFlow() {
+        Config.release().then(fun (value: Config): FxaResult<Unit> {
+            mAccount = FirefoxAccount(value, "20f7931c9054d833", "https://send.firefox.com/fxa/android-redirect.html")
+            mAccount?.beginOAuthFlow(arrayOf("profile", "https://identity.mozilla.com/apps/send"), true)?.then(fun (url: String): FxaResult<Unit> {
+                Log.w("CONFIG", "GOT A URL " + url)
+                this@MainActivity.runOnUiThread({
+                    mWebView!!.loadUrl(url)
+                })
+                return FxaResult.fromValue(Unit)
+            })
+            Log.w("CONFIG", "CREATED FIREFOXACCOUNT")
+            return FxaResult.fromValue(Unit)
+        })
+    }
+
+    fun shareUrl(url: String) {
+        val shareIntent = Intent()
+        shareIntent.action = Intent.ACTION_SEND
+        shareIntent.type = "text/plain"
+        shareIntent.putExtra(Intent.EXTRA_TEXT, url)
+        val chooser = Intent.createChooser(shareIntent, "")
+        chooser.putExtra(Intent.EXTRA_EXCLUDE_COMPONENTS, arrayOf(ComponentName(applicationContext, MainActivity::class.java)))
+        startActivity(chooser)
+    }
+
+    @SuppressLint("NewApi")
+    override fun onResume() {
+        super.onResume()
+        mWebView!!.onResume()
+        // ...
+    }
+
+    @SuppressLint("NewApi")
+    override fun onPause() {
+        mWebView!!.onPause()
+        // ...
+        super.onPause()
+    }
+
+    override fun onDestroy() {
+        mWebView!!.onDestroy()
+        // ...
+        super.onDestroy()
+    }
+
+    override fun onActivityResult(requestCode: Int, resultCode: Int, intent: Intent?) {
+        super.onActivityResult(requestCode, resultCode, intent)
+        mWebView!!.onActivityResult(requestCode, resultCode, intent)
+        // ...
+    }
+
+    override fun onBackPressed() {
+        if (!mWebView!!.onBackPressed()) {
+            return
+        }
+        // ...
+        super.onBackPressed()
+    }
+
+    override fun onPageStarted(url: String, favicon: Bitmap?) {
+        if (url.startsWith("https://send.firefox.com/fxa/android-redirect.html")) {
+            // We load this here so the user doesn't see the android-redirect.html page
+            mWebView!!.loadUrl("file:///android_asset/android.html")
+
+            val parsed = Uri.parse(url)
+            val code = parsed.getQueryParameter("code")
+            val state = parsed.getQueryParameter("state")
+
+            code?.let { code ->
+                state?.let { state ->
+                    mAccount?.completeOAuthFlow(code, state)?.whenComplete { info ->
+                        //displayAndPersistProfile(code, state)
+                        val profile = mAccount?.getProfile(false)?.then(fun (profile: Profile): FxaResult<Unit> {
+                            val accessToken = info.accessToken
+                            val keys = info.keys
+                            val avatar = profile.avatar
+                            val displayName = profile.displayName
+                            val email = profile.email
+                            val uid = profile.uid
+                            val toPass = "{\"accessToken\": \"${accessToken}\", \"keys\": '${keys}', \"avatar\": \"${avatar}\", \"displayName\": \"${displayName}\", \"email\": \"${email}\", \"uid\": \"${uid}\"}"
+                            mToCall = "finishLogin(${toPass})"
+                            this@MainActivity.runOnUiThread({
+                                // Clear the history so that the user can't use the back button to see broken pages
+                                // that were inserted into the history by the login process.
+                                mWebView!!.clearHistory()
+
+                                // We also reload this here because we need to make sure onPageFinished runs after mToCall has been set.
+                                // We can't guarantee that onPageFinished wasn't already called at this point.
+                                mWebView!!.loadUrl("file:///android_asset/android.html")
+                            })
+
+
+                            return FxaResult.fromValue(Unit)
+                        })
+                    }
+                }
+            }
+        }
+        Log.w("MAIN", "onPageStarted");
+    }
+
+    override fun onPageFinished(url: String) {
+        Log.w("MAIN", "onPageFinished")
+        if (mToShare != null) {
+            Log.w("INTENT", mToShare)
+
+            mWebView?.postWebMessage(WebMessage(mToShare), Uri.EMPTY)
+            mToShare = null
+        }
+        if (mToCall != null) {
+            this@MainActivity.runOnUiThread({
+                mWebView?.evaluateJavascript(mToCall, fun (value: String) {
+                    mToCall = null
+                })
+            })
+        }
+    }
+
+    override fun onPageError(errorCode: Int, description: String, failingUrl: String) {
+        Log.w("MAIN", "onPageError " + description)
+    }
+
+    override fun onDownloadRequested(url: String, suggestedFilename: String, mimeType: String, contentLength: Long, contentDisposition: String, userAgent: String) {
+        Log.w("MAIN", "onDownloadRequested")
+    }
+
+    override fun onExternalPageRequest(url: String) {
+        Log.w("MAIN", "onExternalPageRequest")
+    }
+
+}

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

@@ -0,0 +1,97 @@
+<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="92.5"
+        android:viewportHeight="92.5">
+    <group android:translateX="27.75"
+            android:translateY="28.25">
+      <path
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android/app/src/main/res/drawable/ic_launcher_foreground.xml

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+        xmlns:aapt="http://schemas.android.com/aapt"
+        android:width="108dp"
+        android:height="108dp"
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+        android:viewportHeight="92.5">
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+      <path
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+            <item android:offset="0.14" android:color="#006A2BEA"/>
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+          </gradient>
+        </aapt:attr>
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+    </group>
+</vector>

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

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?>
+<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".MainActivity">
+
+    <im.delight.android.webview.AdvancedWebView
+        android:id="@+id/webview"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent" />
+</android.support.constraint.ConstraintLayout>

android/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@color/ic_launcher_background"/>
+    <foreground android:drawable="@drawable/ic_launcher_foreground"/>
+</adaptive-icon>

android/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@color/ic_launcher_background"/>
+    <foreground android:drawable="@drawable/ic_launcher_foreground"/>
+</adaptive-icon>

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

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="colorPrimary">#3F51B5</color>
+    <color name="colorPrimaryDark">#303F9F</color>
+    <color name="colorAccent">#FF4081</color>
+</resources>

android/app/src/main/res/values/ic_launcher_background.xml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="ic_launcher_background">#FFFFFF</color>
+</resources>

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

@@ -0,0 +1,3 @@
+<resources>
+    <string name="app_name">Send Android</string>
+</resources>

android/app/src/main/res/values/styles.xml

@@ -0,0 +1,11 @@
+<resources>
+
+    <!-- Base application theme. -->
+    <style name="AppTheme" parent="Theme.AppCompat.Light.NoActionBar">
+        <!-- Customize your theme here. -->
+        <item name="colorPrimary">@color/colorPrimary</item>
+        <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
+        <item name="colorAccent">@color/colorAccent</item>
+    </style>
+
+</resources>

android/build.gradle

@@ -0,0 +1,32 @@
+// Top-level build file where you can add configuration options common to all sub-projects/modules.
+
+buildscript {
+    ext.kotlin_version = '1.3.21'
+    ext.android_components_version = '0.26.0'
+    repositories {
+        google()
+        jcenter()
+    }
+    dependencies {
+        classpath 'com.android.tools.build:gradle:3.3.1'
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:1.3.20"
+
+        // NOTE: Do not place your application dependencies here; they belong
+        // in the individual module build.gradle files
+    }
+}
+
+allprojects {
+    repositories {
+        google()
+        maven {
+            url "https://maven.mozilla.org/maven2"
+        }
+        jcenter()
+        maven { url "https://jitpack.io" }
+    }
+}
+
+task clean(type: Delete) {
+    delete rootProject.buildDir
+}

android/gradle.properties

@@ -0,0 +1,13 @@
+# Project-wide Gradle settings.
+# IDE (e.g. Android Studio) users:
+# Gradle settings configured through the IDE *will override*
+# any settings specified in this file.
+# For more details on how to configure your build environment visit
+# http://www.gradle.org/docs/current/userguide/build_environment.html
+# Specifies the JVM arguments used for the daemon process.
+# The setting is particularly useful for tweaking memory settings.
+org.gradle.jvmargs=-Xmx1536m
+# When configured, Gradle will run in incubating parallel mode.
+# This option should only be used with decoupled projects. More details, visit
+# http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
+# org.gradle.parallel=true

android/gradle/wrapper/gradle-wrapper.properties

@@ -0,0 +1,6 @@
+#Tue Feb 19 08:34:25 EST 2019
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.1-all.zip

android/gradlew

@@ -0,0 +1,172 @@
+#!/usr/bin/env sh
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+        PRG="$link"
+    else
+        PRG=`dirname "$PRG"`"/$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+        JAVACMD="$JAVA_HOME/bin/java"
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD="java"
+    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
+    MAX_FD_LIMIT=`ulimit -H -n`
+    if [ $? -eq 0 ] ; then
+        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+            MAX_FD="$MAX_FD_LIMIT"
+        fi
+        ulimit -n $MAX_FD
+        if [ $? -ne 0 ] ; then
+            warn "Could not set maximum file descriptor limit: $MAX_FD"
+        fi
+    else
+        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+    fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin, switch paths to Windows format before running java
+if $cygwin ; then
+    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
+
+    # We build the pattern for arguments to be converted via cygpath
+    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+    SEP=""
+    for dir in $ROOTDIRSRAW ; do
+        ROOTDIRS="$ROOTDIRS$SEP$dir"
+        SEP="|"
+    done
+    OURCYGPATTERN="(^($ROOTDIRS))"
+    # Add a user-defined pattern to the cygpath arguments
+    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+    fi
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    i=0
+    for arg in "$@" ; do
+        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
+
+        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
+            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+        else
+            eval `echo args$i`="\"$arg\""
+        fi
+        i=$((i+1))
+    done
+    case $i in
+        (0) set -- ;;
+        (1) set -- "$args0" ;;
+        (2) set -- "$args0" "$args1" ;;
+        (3) set -- "$args0" "$args1" "$args2" ;;
+        (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+    esac
+fi
+
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
+}
+APP_ARGS=$(save "$@")
+
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"

android/gradlew.bat

@@ -0,0 +1,84 @@
+@if "%DEBUG%" == "" @echo off
+@rem ##########################################################################
+@rem
+@rem  Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+set DIRNAME=%~dp0
+if "%DIRNAME%" == "" set DIRNAME=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS=
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if "%ERRORLEVEL%" == "0" goto init
+
+echo.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto init
+
+echo.
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:init
+@rem Get command-line arguments, handling Windows variants
+
+if not "%OS%" == "Windows_NT" goto win9xME_args
+
+:win9xME_args
+@rem Slurp the command line arguments.
+set CMD_LINE_ARGS=
+set _SKIP=2
+
+:win9xME_args_slurp
+if "x%~1" == "x" goto execute
+
+set CMD_LINE_ARGS=%*
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
+
+:end
+@rem End local scope for the variables with windows NT shell
+if "%ERRORLEVEL%"=="0" goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+exit /b 1
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega

android/pages/.eslintrc.yaml

@@ -0,0 +1,6 @@
+env:
+  browser: true
+
+parserOptions:
+  sourceType: module
+

android/pages/error.js

@@ -0,0 +1,12 @@
+const html = require('choo/html');
+
+export default function error(_state, _emit) {
+  return html`
+    <body>
+      <div id="white">
+        <h1>Error</h1>
+        <p>Sorry, an error occurred.</p>
+      </div>
+    </body>
+  `;
+}

android/pages/home.js

@@ -0,0 +1,74 @@
+const html = require('choo/html');
+const { list } = require('../../app/utils');
+const archiveTile = require('../../app/ui/archiveTile');
+const modal = require('../../app/ui/modal');
+const intro = require('../../app/ui/intro');
+const assets = require('../../common/assets');
+
+module.exports = function(state, emit) {
+  function onchange(event) {
+    event.preventDefault();
+    const newFiles = Array.from(event.target.files);
+
+    emit('addFiles', { files: newFiles });
+  }
+
+  function onclick() {
+    document.getElementById('file-upload').click();
+  }
+
+  const archives = state.storage.files
+    .filter(archive => !archive.expired)
+    .map(archive => archiveTile(state, emit, archive))
+    .reverse();
+
+  let content = '';
+  let button = html`
+    <div
+      class="bg-blue rounded-full m-4 flex items-center justify-center shadow-lg"
+      style="width: 56px; height: 56px"
+      onclick="${onclick}"
+    >
+      <img src="${assets.get('add.svg')}" />
+    </div>
+  `;
+  if (state.uploading) {
+    content = html`
+      <div class="p-6 w-full">${archiveTile.uploading(state, emit)}</div>
+    `;
+    button = '';
+  } else if (state.archive.numFiles > 0) {
+    content = html`
+      <section class="p-4 h-full w-full">
+        ${archiveTile.wip(state, emit)}
+      </section>
+    `;
+    button = '';
+  } else {
+    content =
+      archives.length < 1
+        ? intro(state)
+        : list(
+            archives,
+            'list-reset h-full overflow-y-auto w-full p-6',
+            'mb-3 w-full'
+          );
+  }
+
+  return html`
+    <main class="main">
+      ${state.modal && modal(state, emit)} ${content}
+      <div class="fixed pin-r pin-b">
+        ${button}
+        <input
+          id="file-upload"
+          class="hidden"
+          type="file"
+          multiple
+          onchange="${onchange}"
+          onclick="${e => e.stopPropagation()}"
+        />
+      </div>
+    </main>
+  `;
+};

android/pages/preferences.js

@@ -0,0 +1,34 @@
+const html = require('choo/html');
+
+import { setFileProtocolWssUrl, getFileProtocolWssUrl } from '../../app/api';
+
+export default function preferences(state, emit) {
+  const wssURL = getFileProtocolWssUrl();
+
+  function updateWssUrl(event) {
+    state.wssURL = event.target.value;
+    setFileProtocolWssUrl(state.wssURL);
+    emit('render');
+  }
+
+  function clickDone(event) {
+    event.preventDefault();
+    emit('pushState', '/');
+  }
+
+  return html`
+    <body>
+      <div id="white">
+        <div id="preferences">
+          <a onclick="${clickDone}" href="#"> done </a>
+          <dl>
+            <dt>wss url:</dt>
+            <dd>
+              <input type="text" onchange="${updateWssUrl}" value="${wssURL}" />
+            </dd>
+          </dl>
+        </div>
+      </div>
+    </body>
+  `;
+}

android/pages/share.js

@@ -0,0 +1,51 @@
+const html = require('choo/html');
+
+export default function uploadComplete(state, emit) {
+  const file = state.storage.files[state.storage.files.length - 1];
+  function onclick(e) {
+    e.preventDefault();
+    input.select();
+    document.execCommand('copy');
+    input.selectionEnd = input.selectionStart;
+    copyText.textContent = 'Copied!';
+    setTimeout(function() {
+      copyText.textContent = 'Copy link';
+    }, 2000);
+  }
+
+  function uploadFile(event) {
+    event.preventDefault();
+    const target = event.target;
+    const file = target.files[0];
+    if (file.size === 0) {
+      return;
+    }
+
+    emit('pushState', '/upload');
+    emit('addFiles', { files: [file] });
+    emit('upload', {});
+  }
+
+  const input = html`
+    <input id="url" value="${file.url}" readonly="true" />
+  `;
+  const copyText = html`
+    <span>Copy link</span>
+  `;
+  return html`<body>
+  <div id="white">
+    <div class="card">
+      <div>The card contents will be here.</div>
+      <div>Expires after: <span class="expires-after">exp</span></div>
+      ${input}
+      <div id="copy-link" onclick=${onclick}>
+        <img id="copy-image" src=${state.getAsset('copy-link.png')} />
+        ${copyText}
+      </div>
+      <label id="label" for="input">
+        <img src=${state.getAsset('cloud-upload.png')} />
+      </label>
+      <input id="input" name="input" type="file" onchange=${uploadFile} />
+  </div>
+</body>`;
+}

android/pages/upload.js

@@ -0,0 +1,26 @@
+const html = require('choo/html');
+
+export default function progressBar(state, emit) {
+  let percent = 0;
+  if (state.transfer && state.transfer.progress) {
+    percent = Math.floor(state.transfer.progressRatio * 100);
+  }
+  function onclick(e) {
+    e.preventDefault();
+    if (state.uploading) {
+      emit('cancel');
+    }
+    emit('pushState', '/');
+  }
+  return html`
+    <body>
+      <div id="white">
+        <div class="card">
+          <div>${percent}%</div>
+          <span class="progress" style="width: ${percent}%">.</span>
+          <div class="cancel" onclick="${onclick}">CANCEL</div>
+        </div>
+      </div>
+    </body>
+  `;
+}

android/settings.gradle

@@ -0,0 +1 @@
+include ':app'

android/stores/intents.js

@@ -0,0 +1,20 @@
+/* eslint-disable no-console */
+
+export default function intentHandler(state, emitter) {
+  window.addEventListener(
+    'message',
+    event => {
+      if (typeof event.data !== 'string' || !event.data.startsWith('data:')) {
+        return;
+      }
+      fetch(event.data)
+        .then(res => res.blob())
+        .then(blob => {
+          emitter.emit('addFiles', { files: [blob] });
+          emitter.emit('upload', {});
+        })
+        .catch(e => console.error('ERROR ' + e + ' ' + e.stack));
+    },
+    false
+  );
+}

android/stores/state.js

@@ -0,0 +1,41 @@
+/* eslint-disable no-console */
+
+import User from '../user';
+import storage from '../../app/storage';
+
+export default function initialState(state, emitter) {
+  const files = [];
+
+  Object.assign(state, {
+    prefix: '/android_asset',
+    user: new User(storage),
+    getAsset(name) {
+      return `${state.prefix}/${name}`;
+    },
+    raven: {
+      captureException: e => {
+        console.error('ERROR ' + e + ' ' + e.stack);
+      }
+    },
+    storage: {
+      files,
+      remove: function(fileId) {
+        console.log('REMOVE FILEID', fileId);
+      },
+      writeFile: function(file) {
+        console.log('WRITEFILE', file);
+      },
+      addFile: function(file) {
+        console.log('addfile' + JSON.stringify(file));
+        files.push(file);
+        emitter.emit('pushState', `/share/${file.id}`);
+      },
+      totalUploads: 0
+    },
+    transfer: null,
+    uploading: false,
+    settingPassword: false,
+    passwordSetError: null,
+    route: '/'
+  });
+}

android/user.js

@@ -0,0 +1,26 @@
+/* global Android */
+import User from '../app/user';
+import { deriveFileListKey } from '../app/fxa';
+
+export default class AndroidUser extends User {
+  constructor(storage, limits) {
+    super(storage, limits);
+  }
+
+  async login() {
+    Android.beginOAuthFlow();
+  }
+
+  async finishLogin(accountInfo) {
+    const jwks = JSON.parse(accountInfo.keys);
+    const ikm = jwks['https://identity.mozilla.com/apps/send'].k;
+    const profile = {
+      displayName: accountInfo.displayName,
+      email: accountInfo.email,
+      avatar: accountInfo.avatar,
+      access_token: accountInfo.accessToken
+    };
+    profile.fileListKey = await deriveFileListKey(ikm);
+    this.info = profile;
+  }
+}

app/api.js

@@ -1,16 +1,49 @@
-import { arrayToB64, b64ToArray } from './utils';
+import { arrayToB64, b64ToArray, delay } from './utils';
+import { ECE_RECORD_SIZE } from './ece';
 
-function post(obj) {
+let fileProtocolWssUrl = null;
+try {
+  fileProtocolWssUrl = localStorage.getItem('wssURL');
+} catch (e) {
+  // NOOP
+}
+if (!fileProtocolWssUrl) {
+  fileProtocolWssUrl = 'wss://send2.dev.lcip.org/api/ws';
+}
+
+export function setFileProtocolWssUrl(url) {
+  localStorage && localStorage.setItem('wssURL', url);
+  fileProtocolWssUrl = url;
+}
+
+export function getFileProtocolWssUrl() {
+  return fileProtocolWssUrl;
+}
+
+let apiUrlPrefix = '';
+export function getApiUrl(path) {
+  return apiUrlPrefix + path;
+}
+
+export function setApiUrlPrefix(prefix) {
+  apiUrlPrefix = prefix;
+}
+
+function post(obj, bearerToken) {
+  const h = {
+    'Content-Type': 'application/json'
+  };
+  if (bearerToken) {
+    h['Authentication'] = `Bearer ${bearerToken}`;
+  }
   return {
     method: 'POST',
-    headers: new Headers({
+    headers: new Headers(h),
-      'Content-Type': 'application/json'
-    }),
     body: JSON.stringify(obj)
   };
 }
 
-function parseNonce(header) {
+export function parseNonce(header) {
   header = header || '';
   return header.split(' ')[1];
 }
@@ -38,33 +71,44 @@ async function fetchWithAuthAndRetry(url, params, keychain) {
 }
 
 export async function del(id, owner_token) {
-  const response = await fetch(`/api/delete/${id}`, post({ owner_token }));
+  const response = await fetch(
+    getApiUrl(`/api/delete/${id}`),
+    post({ owner_token })
+  );
   return response.ok;
 }
 
-export async function setParams(id, owner_token, params) {
+export async function setParams(id, owner_token, bearerToken, params) {
   const response = await fetch(
-    `/api/params/${id}`,
+    getApiUrl(`/api/params/${id}`),
-    post({
+    post(
+      {
         owner_token,
         dlimit: params.dlimit
-    })
+      },
+      bearerToken
+    )
   );
   return response.ok;
 }
 
 export async function fileInfo(id, owner_token) {
-  const response = await fetch(`/api/info/${id}`, post({ owner_token }));
+  const response = await fetch(
+    getApiUrl(`/api/info/${id}`),
+    post({ owner_token })
+  );
+
   if (response.ok) {
     const obj = await response.json();
     return obj;
   }
+
   throw new Error(response.status);
 }
 
 export async function metadata(id, keychain) {
   const result = await fetchWithAuthAndRetry(
-    `/api/metadata/${id}`,
+    getApiUrl(`/api/metadata/${id}`),
     { method: 'GET' },
     keychain
   );
@@ -72,11 +116,12 @@ export async function metadata(id, keychain) {
     const data = await result.response.json();
     const meta = await keychain.decryptMetadata(b64ToArray(data.metadata));
     return {
-      size: data.size,
+      size: meta.size,
       ttl: data.ttl,
       iv: meta.iv,
       name: meta.name,
-      type: meta.type
+      type: meta.type,
+      manifest: meta.manifest
     };
   }
   throw new Error(result.response.status);
@@ -85,58 +130,188 @@ export async function metadata(id, keychain) {
 export async function setPassword(id, owner_token, keychain) {
   const auth = await keychain.authKeyB64();
   const response = await fetch(
-    `/api/password/${id}`,
+    getApiUrl(`/api/password/${id}`),
     post({ owner_token, auth })
   );
   return response.ok;
 }
 
-export function uploadFile(
+function asyncInitWebSocket(server) {
+  return new Promise(resolve => {
+    const ws = new WebSocket(server);
+    ws.onopen = () => {
+      resolve(ws);
+    };
+  });
+}
+
+function listenForResponse(ws, canceller) {
+  return new Promise((resolve, reject) => {
+    function handleMessage(msg) {
+      try {
+        const response = JSON.parse(msg.data);
+        if (response.error) {
+          throw new Error(response.error);
+        } else {
+          resolve(response);
+        }
+      } catch (e) {
+        ws.close();
+        canceller.cancelled = true;
+        canceller.error = e;
+        reject(e);
+      }
+    }
+    ws.addEventListener('message', handleMessage, { once: true });
+  });
+}
+
+async function upload(
+  stream,
+  metadata,
+  verifierB64,
+  timeLimit,
+  dlimit,
+  bearerToken,
+  onprogress,
+  canceller
+) {
+  const host = window.location.hostname;
+  const port = window.location.port;
+  const protocol = window.location.protocol === 'https:' ? 'wss:' : 'ws:';
+  const endpoint =
+    window.location.protocol === 'file:'
+      ? fileProtocolWssUrl
+      : `${protocol}//${host}${port ? ':' : ''}${port}/api/ws`;
+
+  const ws = await asyncInitWebSocket(endpoint);
+
+  try {
+    const metadataHeader = arrayToB64(new Uint8Array(metadata));
+    const fileMeta = {
+      fileMetadata: metadataHeader,
+      authorization: `send-v1 ${verifierB64}`,
+      bearer: bearerToken,
+      timeLimit,
+      dlimit
+    };
+    const uploadInfoResponse = listenForResponse(ws, canceller);
+    ws.send(JSON.stringify(fileMeta));
+    const uploadInfo = await uploadInfoResponse;
+
+    const completedResponse = listenForResponse(ws, canceller);
+
+    const reader = stream.getReader();
+    let state = await reader.read();
+    let size = 0;
+    while (!state.done) {
+      const buf = state.value;
+      if (canceller.cancelled) {
+        throw canceller.error;
+      }
+
+      ws.send(buf);
+
+      onprogress(size);
+      size += buf.length;
+      state = await reader.read();
+      while (ws.bufferedAmount > ECE_RECORD_SIZE * 2) {
+        await delay();
+      }
+    }
+    const footer = new Uint8Array([0]);
+    ws.send(footer);
+
+    await completedResponse;
+    ws.close();
+    return uploadInfo;
+  } catch (e) {
+    ws.close(4000);
+    throw e;
+  }
+}
+
+export function uploadWs(
   encrypted,
   metadata,
   verifierB64,
-  keychain,
+  timeLimit,
+  dlimit,
+  bearerToken,
   onprogress
 ) {
-  const xhr = new XMLHttpRequest();
+  const canceller = { cancelled: false };
-  const upload = {
+
+  return {
     cancel: function() {
-      xhr.abort();
+      canceller.error = new Error(0);
+      canceller.cancelled = true;
     },
-    result: new Promise(function(resolve, reject) {
+
-      xhr.addEventListener('loadend', function() {
+    result: upload(
-        const authHeader = xhr.getResponseHeader('WWW-Authenticate');
+      encrypted,
+      metadata,
+      verifierB64,
+      timeLimit,
+      dlimit,
+      bearerToken,
+      onprogress,
+      canceller
+    )
+  };
+}
+
+////////////////////////
+
+async function downloadS(id, keychain, signal) {
+  const auth = await keychain.authHeader();
+
+  const response = await fetch(getApiUrl(`/api/download/${id}`), {
+    signal: signal,
+    method: 'GET',
+    headers: { Authorization: auth }
+  });
+
+  const authHeader = response.headers.get('WWW-Authenticate');
   if (authHeader) {
     keychain.nonce = parseNonce(authHeader);
   }
-        if (xhr.status === 200) {
+
-          const responseObj = JSON.parse(xhr.responseText);
+  if (response.status !== 200) {
-          return resolve({
+    throw new Error(response.status);
-            url: responseObj.url,
-            id: responseObj.id,
-            ownerToken: responseObj.owner
-          });
   }
-        reject(new Error(xhr.status));
+
-      });
+  return response.body;
-    })
-  };
-  const dataView = new DataView(encrypted);
-  const blob = new Blob([dataView], { type: 'application/octet-stream' });
-  const fd = new FormData();
-  fd.append('data', blob);
-  xhr.upload.addEventListener('progress', function(event) {
-    if (event.lengthComputable) {
-      onprogress([event.loaded, event.total]);
-    }
-  });
-  xhr.open('post', '/api/upload', true);
-  xhr.setRequestHeader('X-File-Metadata', arrayToB64(new Uint8Array(metadata)));
-  xhr.setRequestHeader('Authorization', `send-v1 ${verifierB64}`);
-  xhr.send(fd);
-  return upload;
 }
 
+async function tryDownloadStream(id, keychain, signal, tries = 1) {
+  try {
+    const result = await downloadS(id, keychain, signal);
+    return result;
+  } catch (e) {
+    if (e.message === '401' && --tries > 0) {
+      return tryDownloadStream(id, keychain, signal, tries);
+    }
+    if (e.name === 'AbortError') {
+      throw new Error('0');
+    }
+    throw e;
+  }
+}
+
+export function downloadStream(id, keychain) {
+  const controller = new AbortController();
+  function cancel() {
+    controller.abort();
+  }
+  return {
+    cancel,
+    result: tryDownloadStream(id, keychain, controller.signal, 2)
+  };
+}
+
+//////////////////
+
 function download(id, keychain, onprogress, canceller) {
   const xhr = new XMLHttpRequest();
   canceller.oncancel = function() {
@@ -154,11 +329,7 @@ function download(id, keychain, onprogress, canceller) {
       }
 
       const blob = new Blob([xhr.response]);
-      const fileReader = new FileReader();
+      resolve(blob);
-      fileReader.readAsArrayBuffer(blob);
-      fileReader.onload = function() {
-        resolve(this.result);
-      };
     });
 
     xhr.addEventListener('progress', function(event) {
@@ -167,7 +338,7 @@ function download(id, keychain, onprogress, canceller) {
       }
     });
     const auth = await keychain.authHeader();
-    xhr.open('get', `/api/download/${id}`);
+    xhr.open('get', getApiUrl(`/api/download/blob/${id}`));
     xhr.setRequestHeader('Authorization', auth);
     xhr.responseType = 'blob';
     xhr.send();
@@ -199,3 +370,45 @@ export function downloadFile(id, keychain, onprogress) {
     result: tryDownload(id, keychain, onprogress, canceller, 2)
   };
 }
+
+export async function getFileList(bearerToken, kid) {
+  const headers = new Headers({ Authorization: `Bearer ${bearerToken}` });
+  const response = await fetch(getApiUrl(`/api/filelist/${kid}`), { headers });
+  if (response.ok) {
+    const encrypted = await response.blob();
+    return encrypted;
+  }
+  throw new Error(response.status);
+}
+
+export async function setFileList(bearerToken, kid, data) {
+  const headers = new Headers({ Authorization: `Bearer ${bearerToken}` });
+  const response = await fetch(getApiUrl(`/api/filelist/${kid}`), {
+    headers,
+    method: 'POST',
+    body: data
+  });
+  return response.ok;
+}
+
+export function sendMetrics(blob) {
+  if (!navigator.sendBeacon) {
+    return;
+  }
+  try {
+    navigator.sendBeacon(getApiUrl('/api/metrics'), blob);
+  } catch (e) {
+    console.error(e);
+  }
+}
+
+export async function getConstants() {
+  const response = await fetch(getApiUrl('/config'));
+
+  if (response.ok) {
+    const obj = await response.json();
+    return obj;
+  }
+
+  throw new Error(response.status);
+}

app/archive.js

@@ -0,0 +1,83 @@
+import { blobStream, concatStream } from './streams';
+
+function isDupe(newFile, array) {
+  for (const file of array) {
+    if (
+      newFile.name === file.name &&
+      newFile.size === file.size &&
+      newFile.lastModified === file.lastModified
+    ) {
+      return true;
+    }
+  }
+  return false;
+}
+
+export default class Archive {
+  constructor(files = [], defaultTimeLimit = 86400) {
+    this.files = Array.from(files);
+    this.defaultTimeLimit = defaultTimeLimit;
+    this.timeLimit = defaultTimeLimit;
+    this.dlimit = 1;
+    this.password = null;
+  }
+
+  get name() {
+    return this.files.length > 1 ? 'Send-Archive.zip' : this.files[0].name;
+  }
+
+  get type() {
+    return this.files.length > 1 ? 'send-archive' : this.files[0].type;
+  }
+
+  get size() {
+    return this.files.reduce((total, file) => total + file.size, 0);
+  }
+
+  get numFiles() {
+    return this.files.length;
+  }
+
+  get manifest() {
+    return {
+      files: this.files.map(file => ({
+        name: file.name,
+        size: file.size,
+        type: file.type
+      }))
+    };
+  }
+
+  get stream() {
+    return concatStream(this.files.map(file => blobStream(file)));
+  }
+
+  addFiles(files, maxSize, maxFiles) {
+    if (this.files.length + files.length > maxFiles) {
+      throw new Error('tooManyFiles');
+    }
+    const newFiles = files.filter(
+      file => file.size > 0 && !isDupe(file, this.files)
+    );
+    const newSize = newFiles.reduce((total, file) => total + file.size, 0);
+    if (this.size + newSize > maxSize) {
+      throw new Error('fileTooBig');
+    }
+    this.files = this.files.concat(newFiles);
+    return true;
+  }
+
+  remove(file) {
+    const index = this.files.indexOf(file);
+    if (index > -1) {
+      this.files.splice(index, 1);
+    }
+  }
+
+  clear() {
+    this.files = [];
+    this.dlimit = 1;
+    this.timeLimit = this.defaultTimeLimit;
+    this.password = null;
+  }
+}

app/base.css

@@ -1,268 +0,0 @@
-:root {
-  --pageBGColor: #fff;
-  --primaryControlBGColor: #0297f8;
-  --primaryControlFGColor: #fff;
-  --primaryControlHoverColor: #0287e8;
-  --inputTextColor: #737373;
-  --errorColor: #d70022;
-  --linkColor: #0094fb;
-  --textColor: #0c0c0d;
-  --lightTextColor: #737373;
-  --successControlBGColor: #05a700;
-  --successControlFGColor: #fff;
-}
-
-html {
-  background: url('../assets/send_bg.svg');
-  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'segoe ui',
-    'helvetica neue', helvetica, ubuntu, roboto, noto, arial, sans-serif;
-  font-weight: 200;
-  background-size: 110%;
-  background-repeat: no-repeat;
-  background-position: center top;
-}
-
-body {
-  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'segoe ui',
-    'helvetica neue', helvetica, ubuntu, roboto, noto, arial, sans-serif;
-  display: flex;
-  flex-direction: column;
-  margin: 0;
-  min-height: 100vh;
-}
-
-input,
-select,
-textarea,
-button {
-  font-family: inherit;
-  margin: 0;
-}
-
-a {
-  text-decoration: none;
-}
-
-.main {
-  flex: auto;
-  max-width: 650px;
-  margin: 0 auto;
-  padding: 0 20px;
-  box-sizing: border-box;
-  width: 96%;
-}
-
-.noscript {
-  text-align: center;
-  border: 3px solid var(--errorColor);
-  border-radius: 6px;
-}
-
-.btn {
-  font-size: 15px;
-  font-weight: 500;
-  color: var(--primaryControlFGColor);
-  cursor: pointer;
-  text-align: center;
-  background: var(--primaryControlBGColor);
-  border: 1px solid var(--primaryControlBGColor);
-  border-radius: 5px;
-}
-
-.btn:hover {
-  background-color: var(--primaryControlHoverColor);
-}
-
-.btn--cancel {
-  color: var(--errorColor);
-  background: var(--pageBGColor);
-  font-size: 15px;
-  border: 0;
-  cursor: pointer;
-  text-decoration: underline;
-}
-
-.btn--cancel:disabled {
-  text-decoration: none;
-  cursor: auto;
-}
-
-.btn--cancel:hover {
-  background-color: var(--pageBGColor);
-}
-
-.input {
-  flex: 2 0 auto;
-  border: 1px solid var(--primaryControlBGColor);
-  border-radius: 6px 0 0 6px;
-  font-size: 20px;
-  color: var(--inputTextColor);
-  font-family: 'SF Pro Text', sans-serif;
-  letter-spacing: 0;
-  line-height: 23px;
-  font-weight: 300;
-  height: 46px;
-  padding-left: 10px;
-  padding-right: 10px;
-}
-
-.input--error {
-  border-color: var(--errorColor);
-}
-
-.input--noBtn {
-  border-radius: 6px;
-}
-
-.inputBtn {
-  flex: auto;
-  background: var(--primaryControlBGColor);
-  border-radius: 0 6px 6px 0;
-  border: 1px solid var(--primaryControlBGColor);
-  color: var(--primaryControlFGColor);
-  cursor: pointer;
-
-  /* Force flat button look */
-  /* stylelint-disable-next-line plugin/no-unsupported-browser-features */
-  appearance: none;
-  font-size: 15px;
-  padding-bottom: 3px;
-  padding-left: 10px;
-  padding-right: 10px;
-  white-space: nowrap;
-}
-
-.inputBtn:disabled {
-  cursor: auto;
-}
-
-.inputBtn:hover {
-  background-color: var(--primaryControlHoverColor);
-}
-
-.inputBtn--hidden {
-  display: none;
-}
-
-.cursor--pointer {
-  cursor: pointer;
-}
-
-.link {
-  color: var(--linkColor);
-  text-decoration: none;
-}
-
-.link:focus,
-.link:active,
-.link:hover {
-  color: var(--primaryControlHoverColor);
-}
-
-.link--action {
-  text-decoration: underline;
-  text-align: center;
-}
-
-.page {
-  margin: 0 auto 30px;
-  display: flex;
-  justify-content: center;
-  align-items: center;
-  flex-direction: column;
-  text-align: center;
-}
-
-.progressSection {
-  margin: 0 auto;
-  display: flex;
-  justify-content: center;
-  align-items: center;
-  flex-direction: column;
-  text-align: center;
-  font-size: 15px;
-}
-
-.progressSection__text {
-  color: var(--lightTextColor);
-  letter-spacing: -0.4px;
-  margin-top: 24px;
-  margin-bottom: 74px;
-}
-
-.effect--fadeOut {
-  opacity: 0;
-  animation: fadeout 200ms linear;
-}
-
-@keyframes fadeout {
-  0% {
-    opacity: 1;
-  }
-
-  100% {
-    opacity: 0;
-  }
-}
-
-.effect--fadeIn {
-  opacity: 1;
-  animation: fadein 200ms linear;
-}
-
-@keyframes fadein {
-  0% {
-    opacity: 0;
-  }
-
-  100% {
-    opacity: 1;
-  }
-}
-
-.error {
-  color: var(--errorColor);
-}
-
-.title {
-  font-size: 33px;
-  line-height: 40px;
-  margin: 20px auto;
-  text-align: center;
-  max-width: 520px;
-  font-family: 'SF Pro Text', sans-serif;
-  word-wrap: break-word;
-}
-
-.description {
-  font-size: 15px;
-  line-height: 23px;
-  max-width: 630px;
-  text-align: center;
-  margin: 0 auto 60px;
-  color: var(--textColor);
-  width: 92%;
-}
-
-@media (max-device-width: 768px), (max-width: 768px) {
-  .description {
-    margin: 0 auto 25px;
-  }
-}
-
-@media (max-device-width: 520px), (max-width: 520px) {
-  .input {
-    font-size: 22px;
-    padding: 10px 10px;
-    border-radius: 6px 6px 0 0;
-  }
-
-  .inputBtn {
-    border-radius: 0 0 6px 6px;
-    flex: 0 1 65px;
-  }
-
-  .input--noBtn {
-    border-radius: 6px;
-  }
-}

app/capabilities.js

@@ -0,0 +1,103 @@
+/* global AUTH_CONFIG */
+import { browserName } from './utils';
+
+async function checkCrypto() {
+  try {
+    const key = await crypto.subtle.generateKey(
+      {
+        name: 'AES-GCM',
+        length: 128
+      },
+      true,
+      ['encrypt', 'decrypt']
+    );
+    await crypto.subtle.exportKey('raw', key);
+    await crypto.subtle.encrypt(
+      {
+        name: 'AES-GCM',
+        iv: crypto.getRandomValues(new Uint8Array(12)),
+        tagLength: 128
+      },
+      key,
+      new ArrayBuffer(8)
+    );
+    await crypto.subtle.importKey(
+      'raw',
+      crypto.getRandomValues(new Uint8Array(16)),
+      'PBKDF2',
+      false,
+      ['deriveKey']
+    );
+    await crypto.subtle.importKey(
+      'raw',
+      crypto.getRandomValues(new Uint8Array(16)),
+      'HKDF',
+      false,
+      ['deriveKey']
+    );
+    await crypto.subtle.generateKey(
+      {
+        name: 'ECDH',
+        namedCurve: 'P-256'
+      },
+      true,
+      ['deriveBits']
+    );
+    return true;
+  } catch (err) {
+    try {
+      window.asmCrypto = await import('asmcrypto.js');
+      await import('@dannycoates/webcrypto-liner/build/shim');
+      return true;
+    } catch (e) {
+      return false;
+    }
+  }
+}
+
+function checkStreams() {
+  try {
+    new ReadableStream({
+      pull() {}
+    });
+    return true;
+  } catch (e) {
+    return false;
+  }
+}
+
+async function polyfillStreams() {
+  try {
+    await import('@mattiasbuelens/web-streams-polyfill');
+    return true;
+  } catch (e) {
+    return false;
+  }
+}
+
+export default async function getCapabilities() {
+  const serviceWorker =
+    'serviceWorker' in navigator && browserName() !== 'edge';
+  let crypto = await checkCrypto();
+  const nativeStreams = checkStreams();
+  let polyStreams = false;
+  if (!nativeStreams) {
+    polyStreams = await polyfillStreams();
+  }
+  let account = typeof AUTH_CONFIG !== 'undefined';
+  try {
+    account = account && !!localStorage;
+  } catch (e) {
+    account = false;
+  }
+
+  return {
+    account,
+    crypto,
+    serviceWorker,
+    streamUpload: nativeStreams || polyStreams,
+    streamDownload:
+      nativeStreams && serviceWorker && browserName() !== 'safari',
+    multifile: nativeStreams || polyStreams
+  };
+}

app/controller.js

@@ -0,0 +1,299 @@
+import FileSender from './fileSender';
+import FileReceiver from './fileReceiver';
+import { copyToClipboard, delay, openLinksInNewTab, percent } from './utils';
+import * as metrics from './metrics';
+import { bytes } from './utils';
+import okDialog from './ui/okDialog';
+import copyDialog from './ui/copyDialog';
+import signupDialog from './ui/signupDialog';
+
+export default function(state, emitter) {
+  let lastRender = 0;
+  let updateTitle = false;
+
+  function render() {
+    emitter.emit('render');
+  }
+
+  async function checkFiles() {
+    const changes = await state.user.syncFileList();
+    const rerender = changes.incoming || changes.downloadCount;
+    if (rerender) {
+      render();
+    }
+  }
+
+  function updateProgress() {
+    if (updateTitle) {
+      emitter.emit('DOMTitleChange', percent(state.transfer.progressRatio));
+    }
+    render();
+  }
+
+  emitter.on('DOMContentLoaded', () => {
+    document.addEventListener('blur', () => (updateTitle = true));
+    document.addEventListener('focus', () => {
+      updateTitle = false;
+      emitter.emit('DOMTitleChange', 'Firefox Send');
+    });
+    checkFiles();
+  });
+
+  emitter.on('render', () => {
+    lastRender = Date.now();
+  });
+
+  emitter.on('login', email => {
+    state.user.login(email);
+  });
+
+  emitter.on('logout', () => {
+    state.user.logout();
+    metrics.loggedOut({ trigger: 'button' });
+    emitter.emit('pushState', '/');
+  });
+
+  emitter.on('removeUpload', file => {
+    state.archive.remove(file);
+    if (state.archive.numFiles === 0) {
+      state.archive.clear();
+    }
+    render();
+  });
+
+  emitter.on('delete', async ownedFile => {
+    try {
+      metrics.deletedUpload({
+        size: ownedFile.size,
+        time: ownedFile.time,
+        speed: ownedFile.speed,
+        type: ownedFile.type,
+        ttl: ownedFile.expiresAt - Date.now(),
+        location
+      });
+      state.storage.remove(ownedFile.id);
+      await ownedFile.del();
+    } catch (e) {
+      state.raven.captureException(e);
+    }
+    render();
+  });
+
+  emitter.on('cancel', () => {
+    state.transfer.cancel();
+  });
+
+  emitter.on('addFiles', async ({ files }) => {
+    if (files.length < 1) {
+      return;
+    }
+    const maxSize = state.user.maxSize;
+    try {
+      state.archive.addFiles(
+        files,
+        maxSize,
+        state.LIMITS.MAX_FILES_PER_ARCHIVE
+      );
+    } catch (e) {
+      if (e.message === 'fileTooBig' && maxSize < state.LIMITS.MAX_FILE_SIZE) {
+        return emitter.emit('signup-cta', 'size');
+      }
+      state.modal = okDialog(
+        state.translate(e.message, {
+          size: bytes(maxSize),
+          count: state.LIMITS.MAX_FILES_PER_ARCHIVE
+        })
+      );
+    }
+    render();
+  });
+
+  emitter.on('signup-cta', source => {
+    const query = state.query;
+    state.user.startAuthFlow(source, {
+      campaign: query.utm_campaign,
+      content: query.utm_content,
+      medium: query.utm_medium,
+      source: query.utm_source,
+      term: query.utm_term
+    });
+    state.modal = signupDialog(source);
+    render();
+  });
+
+  emitter.on('authenticate', async (code, oauthState) => {
+    try {
+      await state.user.finishLogin(code, oauthState);
+      await state.user.syncFileList();
+      emitter.emit('replaceState', '/');
+    } catch (e) {
+      emitter.emit('replaceState', '/error');
+      setTimeout(render);
+    }
+  });
+
+  emitter.on('upload', async () => {
+    if (state.storage.files.length >= state.LIMITS.MAX_ARCHIVES_PER_USER) {
+      state.modal = okDialog(
+        state.translate('tooManyArchives', {
+          count: state.LIMITS.MAX_ARCHIVES_PER_USER
+        })
+      );
+      return render();
+    }
+    const archive = state.archive;
+    const sender = new FileSender();
+
+    sender.on('progress', updateProgress);
+    sender.on('encrypting', render);
+    sender.on('complete', render);
+    state.transfer = sender;
+    state.uploading = true;
+    render();
+
+    const links = openLinksInNewTab();
+    await delay(200);
+    const start = Date.now();
+    try {
+      const ownedFile = await sender.upload(archive, state.user.bearerToken);
+      state.storage.totalUploads += 1;
+      const duration = Date.now() - start;
+      metrics.completedUpload(archive, duration);
+
+      state.storage.addFile(ownedFile);
+      // TODO integrate password into /upload request
+      if (archive.password) {
+        emitter.emit('password', {
+          password: archive.password,
+          file: ownedFile
+        });
+      }
+      state.modal = copyDialog(ownedFile.name, ownedFile.url);
+    } catch (err) {
+      if (err.message === '0') {
+        //cancelled. do nothing
+        const duration = Date.now() - start;
+        metrics.cancelledUpload(archive, duration);
+        render();
+      } else {
+        // eslint-disable-next-line no-console
+        console.error(err);
+        state.raven.captureException(err);
+        metrics.stoppedUpload(archive);
+        emitter.emit('pushState', '/error');
+      }
+    } finally {
+      openLinksInNewTab(links, false);
+      archive.clear();
+      state.uploading = false;
+      state.transfer = null;
+      await state.user.syncFileList();
+      render();
+    }
+  });
+
+  emitter.on('password', async ({ password, file }) => {
+    try {
+      state.settingPassword = true;
+      render();
+      await file.setPassword(password);
+      state.storage.writeFile(file);
+      await delay(1000);
+    } catch (err) {
+      // eslint-disable-next-line no-console
+      console.error(err);
+      state.passwordSetError = err;
+    } finally {
+      state.settingPassword = false;
+    }
+    render();
+  });
+
+  emitter.on('getMetadata', async () => {
+    const file = state.fileInfo;
+
+    const receiver = new FileReceiver(file);
+    try {
+      await receiver.getMetadata();
+      state.transfer = receiver;
+    } catch (e) {
+      if (e.message === '401' || e.message === '404') {
+        file.password = null;
+        if (!file.requiresPassword) {
+          return emitter.emit('pushState', '/404');
+        }
+      }
+    }
+
+    render();
+  });
+
+  emitter.on('download', async file => {
+    state.transfer.on('progress', updateProgress);
+    state.transfer.on('decrypting', render);
+    state.transfer.on('complete', render);
+    const links = openLinksInNewTab();
+    const size = file.size;
+    const start = Date.now();
+    try {
+      const dl = state.transfer.download({
+        stream: state.capabilities.streamDownload
+      });
+      render();
+      await dl;
+      state.storage.totalDownloads += 1;
+      const duration = Date.now() - start;
+      metrics.completedDownload({
+        size,
+        duration,
+        password_protected: file.requiresPassword
+      });
+    } catch (err) {
+      if (err.message === '0') {
+        // download cancelled
+        state.transfer.reset();
+        render();
+      } else {
+        // eslint-disable-next-line no-console
+        state.transfer = null;
+        const location = err.message === '404' ? '/404' : '/error';
+        if (location === '/error') {
+          state.raven.captureException(err);
+          const duration = Date.now() - start;
+          metrics.stoppedDownload({
+            size,
+            duration,
+            password_protected: file.requiresPassword
+          });
+        }
+        emitter.emit('pushState', location);
+      }
+    } finally {
+      openLinksInNewTab(links, false);
+    }
+  });
+
+  emitter.on('copy', ({ url }) => {
+    copyToClipboard(url);
+    // metrics.copiedLink({ location });
+  });
+
+  setInterval(() => {
+    // poll for updates of the upload list
+    if (!state.modal && state.route === '/') {
+      checkFiles();
+    }
+  }, 2 * 60 * 1000);
+
+  setInterval(() => {
+    // poll for rerendering the file list countdown timers
+    if (
+      !state.modal &&
+      state.route === '/' &&
+      state.storage.files.length > 0 &&
+      Date.now() - lastRender > 30000
+    ) {
+      render();
+    }
+  }, 60000);
+}

app/dragManager.js

@@ -1,6 +1,3 @@
-/* global MAXFILESIZE */
-const { bytes } = require('./utils');
-
 export default function(state, emitter) {
   emitter.on('DOMContentLoaded', () => {
     document.body.addEventListener('dragover', event => {
@@ -9,29 +6,16 @@ export default function(state, emitter) {
       }
     });
     document.body.addEventListener('drop', event => {
-      if (state.route === '/' && !state.uploading) {
+      if (
+        state.route === '/' &&
+        !state.uploading &&
+        event.dataTransfer &&
+        event.dataTransfer.files
+      ) {
         event.preventDefault();
-        document
+        emitter.emit('addFiles', {
-          .querySelector('.uploadArea')
+          files: Array.from(event.dataTransfer.files)
-          .classList.remove('uploadArea--dragging');
+        });
-        const target = event.dataTransfer;
-        if (target.files.length === 0) {
-          return;
-        }
-        if (target.files.length > 1) {
-          // eslint-disable-next-line no-alert
-          return alert(state.translate('uploadPageMultipleFilesAlert'));
-        }
-        const file = target.files[0];
-        if (file.size === 0) {
-          return;
-        }
-        if (file.size > MAXFILESIZE) {
-          // eslint-disable-next-line no-alert
-          alert(state.translate('fileTooBig', { size: bytes(MAXFILESIZE) }));
-          return;
-        }
-        emitter.emit('upload', { file, type: 'drop' });
       }
     });
   });

app/ece.js

@@ -0,0 +1,310 @@
+import 'buffer';
+import { transformStream } from './streams';
+
+const NONCE_LENGTH = 12;
+const TAG_LENGTH = 16;
+const KEY_LENGTH = 16;
+const MODE_ENCRYPT = 'encrypt';
+const MODE_DECRYPT = 'decrypt';
+export const ECE_RECORD_SIZE = 1024 * 64;
+
+const encoder = new TextEncoder();
+
+function generateSalt(len) {
+  const randSalt = new Uint8Array(len);
+  crypto.getRandomValues(randSalt);
+  return randSalt.buffer;
+}
+
+class ECETransformer {
+  constructor(mode, ikm, rs, salt) {
+    this.mode = mode;
+    this.prevChunk;
+    this.seq = 0;
+    this.firstchunk = true;
+    this.rs = rs;
+    this.ikm = ikm.buffer;
+    this.salt = salt;
+  }
+
+  async generateKey() {
+    const inputKey = await crypto.subtle.importKey(
+      'raw',
+      this.ikm,
+      'HKDF',
+      false,
+      ['deriveKey']
+    );
+
+    return crypto.subtle.deriveKey(
+      {
+        name: 'HKDF',
+        salt: this.salt,
+        info: encoder.encode('Content-Encoding: aes128gcm\0'),
+        hash: 'SHA-256'
+      },
+      inputKey,
+      {
+        name: 'AES-GCM',
+        length: 128
+      },
+      true, // Edge polyfill requires key to be extractable to encrypt :/
+      ['encrypt', 'decrypt']
+    );
+  }
+
+  async generateNonceBase() {
+    const inputKey = await crypto.subtle.importKey(
+      'raw',
+      this.ikm,
+      'HKDF',
+      false,
+      ['deriveKey']
+    );
+
+    const base = await crypto.subtle.exportKey(
+      'raw',
+      await crypto.subtle.deriveKey(
+        {
+          name: 'HKDF',
+          salt: this.salt,
+          info: encoder.encode('Content-Encoding: nonce\0'),
+          hash: 'SHA-256'
+        },
+        inputKey,
+        {
+          name: 'AES-GCM',
+          length: 128
+        },
+        true,
+        ['encrypt', 'decrypt']
+      )
+    );
+
+    return Buffer.from(base.slice(0, NONCE_LENGTH));
+  }
+
+  generateNonce(seq) {
+    if (seq > 0xffffffff) {
+      throw new Error('record sequence number exceeds limit');
+    }
+    const nonce = Buffer.from(this.nonceBase);
+    const m = nonce.readUIntBE(nonce.length - 4, 4);
+    const xor = (m ^ seq) >>> 0; //forces unsigned int xor
+    nonce.writeUIntBE(xor, nonce.length - 4, 4);
+
+    return nonce;
+  }
+
+  pad(data, isLast) {
+    const len = data.length;
+    if (len + TAG_LENGTH >= this.rs) {
+      throw new Error('data too large for record size');
+    }
+
+    if (isLast) {
+      const padding = Buffer.alloc(1);
+      padding.writeUInt8(2, 0);
+      return Buffer.concat([data, padding]);
+    } else {
+      const padding = Buffer.alloc(this.rs - len - TAG_LENGTH);
+      padding.fill(0);
+      padding.writeUInt8(1, 0);
+      return Buffer.concat([data, padding]);
+    }
+  }
+
+  unpad(data, isLast) {
+    for (let i = data.length - 1; i >= 0; i--) {
+      if (data[i]) {
+        if (isLast) {
+          if (data[i] !== 2) {
+            throw new Error('delimiter of final record is not 2');
+          }
+        } else {
+          if (data[i] !== 1) {
+            throw new Error('delimiter of not final record is not 1');
+          }
+        }
+        return data.slice(0, i);
+      }
+    }
+    throw new Error('no delimiter found');
+  }
+
+  createHeader() {
+    const nums = Buffer.alloc(5);
+    nums.writeUIntBE(this.rs, 0, 4);
+    nums.writeUIntBE(0, 4, 1);
+    return Buffer.concat([Buffer.from(this.salt), nums]);
+  }
+
+  readHeader(buffer) {
+    if (buffer.length < 21) {
+      throw new Error('chunk too small for reading header');
+    }
+    const header = {};
+    header.salt = buffer.buffer.slice(0, KEY_LENGTH);
+    header.rs = buffer.readUIntBE(KEY_LENGTH, 4);
+    const idlen = buffer.readUInt8(KEY_LENGTH + 4);
+    header.length = idlen + KEY_LENGTH + 5;
+    return header;
+  }
+
+  async encryptRecord(buffer, seq, isLast) {
+    const nonce = this.generateNonce(seq);
+    const encrypted = await crypto.subtle.encrypt(
+      { name: 'AES-GCM', iv: nonce },
+      this.key,
+      this.pad(buffer, isLast)
+    );
+    return Buffer.from(encrypted);
+  }
+
+  async decryptRecord(buffer, seq, isLast) {
+    const nonce = this.generateNonce(seq);
+    const data = await crypto.subtle.decrypt(
+      {
+        name: 'AES-GCM',
+        iv: nonce,
+        tagLength: 128
+      },
+      this.key,
+      buffer
+    );
+
+    return this.unpad(Buffer.from(data), isLast);
+  }
+
+  async start(controller) {
+    if (this.mode === MODE_ENCRYPT) {
+      this.key = await this.generateKey();
+      this.nonceBase = await this.generateNonceBase();
+      controller.enqueue(this.createHeader());
+    } else if (this.mode !== MODE_DECRYPT) {
+      throw new Error('mode must be either encrypt or decrypt');
+    }
+  }
+
+  async transformPrevChunk(isLast, controller) {
+    if (this.mode === MODE_ENCRYPT) {
+      controller.enqueue(
+        await this.encryptRecord(this.prevChunk, this.seq, isLast)
+      );
+      this.seq++;
+    } else {
+      if (this.seq === 0) {
+        //the first chunk during decryption contains only the header
+        const header = this.readHeader(this.prevChunk);
+        this.salt = header.salt;
+        this.rs = header.rs;
+        this.key = await this.generateKey();
+        this.nonceBase = await this.generateNonceBase();
+      } else {
+        controller.enqueue(
+          await this.decryptRecord(this.prevChunk, this.seq - 1, isLast)
+        );
+      }
+      this.seq++;
+    }
+  }
+
+  async transform(chunk, controller) {
+    if (!this.firstchunk) {
+      await this.transformPrevChunk(false, controller);
+    }
+    this.firstchunk = false;
+    this.prevChunk = Buffer.from(chunk.buffer);
+  }
+
+  async flush(controller) {
+    //console.log('ece stream ends')
+    if (this.prevChunk) {
+      await this.transformPrevChunk(true, controller);
+    }
+  }
+}
+
+class StreamSlicer {
+  constructor(rs, mode) {
+    this.mode = mode;
+    this.rs = rs;
+    this.chunkSize = mode === MODE_ENCRYPT ? rs - 17 : 21;
+    this.partialChunk = new Uint8Array(this.chunkSize); //where partial chunks are saved
+    this.offset = 0;
+  }
+
+  send(buf, controller) {
+    controller.enqueue(buf);
+    if (this.chunkSize === 21 && this.mode === MODE_DECRYPT) {
+      this.chunkSize = this.rs;
+    }
+    this.partialChunk = new Uint8Array(this.chunkSize);
+    this.offset = 0;
+  }
+
+  //reslice input into record sized chunks
+  transform(chunk, controller) {
+    //console.log('Received chunk with %d bytes.', chunk.byteLength)
+    let i = 0;
+
+    if (this.offset > 0) {
+      const len = Math.min(chunk.byteLength, this.chunkSize - this.offset);
+      this.partialChunk.set(chunk.slice(0, len), this.offset);
+      this.offset += len;
+      i += len;
+
+      if (this.offset === this.chunkSize) {
+        this.send(this.partialChunk, controller);
+      }
+    }
+
+    while (i < chunk.byteLength) {
+      const remainingBytes = chunk.byteLength - i;
+      if (remainingBytes >= this.chunkSize) {
+        const record = chunk.slice(i, i + this.chunkSize);
+        i += this.chunkSize;
+        this.send(record, controller);
+      } else {
+        const end = chunk.slice(i, i + remainingBytes);
+        i += end.byteLength;
+        this.partialChunk.set(end);
+        this.offset = end.byteLength;
+      }
+    }
+  }
+
+  flush(controller) {
+    if (this.offset > 0) {
+      controller.enqueue(this.partialChunk.slice(0, this.offset));
+    }
+  }
+}
+
+/*
+input: a ReadableStream containing data to be transformed
+key:  Uint8Array containing key of size KEY_LENGTH
+rs:   int containing record size, optional
+salt: ArrayBuffer containing salt of KEY_LENGTH length, optional
+*/
+export function encryptStream(
+  input,
+  key,
+  rs = ECE_RECORD_SIZE,
+  salt = generateSalt(KEY_LENGTH)
+) {
+  const mode = 'encrypt';
+  const inputStream = transformStream(input, new StreamSlicer(rs, mode));
+  return transformStream(inputStream, new ECETransformer(mode, key, rs, salt));
+}
+
+/*
+input: a ReadableStream containing data to be transformed
+key:  Uint8Array containing key of size KEY_LENGTH
+rs:   int containing record size, optional
+*/
+export function decryptStream(input, key, rs = ECE_RECORD_SIZE) {
+  const mode = 'decrypt';
+  const inputStream = transformStream(input, new StreamSlicer(rs, mode));
+  return transformStream(inputStream, new ECETransformer(mode, key, rs));
+}

app/experiments.js

@@ -1,41 +1,6 @@
 import hash from 'string-hash';
 
-const experiments = {
+const experiments = {};
-  S9wqVl2SQ4ab2yZtqDI3Dw: {
-    id: 'S9wqVl2SQ4ab2yZtqDI3Dw',
-    run: function(variant, state, emitter) {
-      switch (variant) {
-        case 1:
-          state.promo = 'blue';
-          break;
-        case 2:
-          state.promo = 'pink';
-          break;
-        default:
-          state.promo = 'grey';
-      }
-      emitter.emit('render');
-    },
-    eligible: function() {
-      return (
-        !/firefox|fxios/i.test(navigator.userAgent) &&
-        document.querySelector('html').lang === 'en-US'
-      );
-    },
-    variant: function(state) {
-      const n = this.luckyNumber(state);
-      if (n < 0.33) {
-        return 0;
-      }
-      return n < 0.66 ? 1 : 2;
-    },
-    luckyNumber: function(state) {
-      return luckyNumber(
-        `${this.id}:${state.storage.get('testpilot_ga__cid')}`
-      );
-    }
-  }
-};
 
 //Returns a number between 0 and 1
 // eslint-disable-next-line no-unused-vars

app/fileManager.js

@@ -1,231 +0,0 @@
-import FileSender from './fileSender';
-import FileReceiver from './fileReceiver';
-import {
-  copyToClipboard,
-  delay,
-  fadeOut,
-  openLinksInNewTab,
-  percent
-} from './utils';
-import * as metrics from './metrics';
-
-export default function(state, emitter) {
-  let lastRender = 0;
-  let updateTitle = false;
-
-  function render() {
-    emitter.emit('render');
-  }
-
-  async function checkFiles() {
-    const files = state.storage.files.slice();
-    let rerender = false;
-    for (const file of files) {
-      const oldLimit = file.dlimit;
-      const oldTotal = file.dtotal;
-      await file.updateDownloadCount();
-      if (file.dtotal === file.dlimit) {
-        state.storage.remove(file.id);
-        rerender = true;
-      } else if (oldLimit !== file.dlimit || oldTotal !== file.dtotal) {
-        rerender = true;
-      }
-    }
-    if (rerender) {
-      render();
-    }
-  }
-
-  function updateProgress() {
-    if (updateTitle) {
-      emitter.emit('DOMTitleChange', percent(state.transfer.progressRatio));
-    }
-    render();
-  }
-
-  emitter.on('DOMContentLoaded', () => {
-    document.addEventListener('blur', () => (updateTitle = true));
-    document.addEventListener('focus', () => {
-      updateTitle = false;
-      emitter.emit('DOMTitleChange', 'Firefox Send');
-    });
-    checkFiles();
-  });
-
-  emitter.on('navigate', checkFiles);
-
-  emitter.on('render', () => {
-    lastRender = Date.now();
-  });
-
-  emitter.on('changeLimit', async ({ file, value }) => {
-    await file.changeLimit(value);
-    state.storage.writeFile(file);
-    metrics.changedDownloadLimit(file);
-  });
-
-  emitter.on('delete', async ({ file, location }) => {
-    try {
-      metrics.deletedUpload({
-        size: file.size,
-        time: file.time,
-        speed: file.speed,
-        type: file.type,
-        ttl: file.expiresAt - Date.now(),
-        location
-      });
-      state.storage.remove(file.id);
-      await file.del();
-    } catch (e) {
-      state.raven.captureException(e);
-    }
-  });
-
-  emitter.on('cancel', () => {
-    state.transfer.cancel();
-  });
-
-  emitter.on('upload', async ({ file, type }) => {
-    const size = file.size;
-    const sender = new FileSender(file);
-    sender.on('progress', updateProgress);
-    sender.on('encrypting', render);
-    state.transfer = sender;
-    state.uploading = true;
-    render();
-
-    const links = openLinksInNewTab();
-    await delay(200);
-    try {
-      metrics.startedUpload({ size, type });
-      const ownedFile = await sender.upload();
-      ownedFile.type = type;
-      state.storage.totalUploads += 1;
-      metrics.completedUpload(ownedFile);
-
-      state.storage.addFile(ownedFile);
-      const cancelBtn = document.getElementById('cancel-upload');
-      if (cancelBtn) {
-        cancelBtn.hidden = 'hidden';
-      }
-      await delay(1000);
-      await fadeOut('.page');
-      emitter.emit('pushState', `/share/${ownedFile.id}`);
-    } catch (err) {
-      if (err.message === '0') {
-        //cancelled. do nothing
-        metrics.cancelledUpload({ size, type });
-        render();
-      } else {
-        // eslint-disable-next-line no-console
-        console.error(err);
-        state.raven.captureException(err);
-        metrics.stoppedUpload({ size, type, err });
-        emitter.emit('pushState', '/error');
-      }
-    } finally {
-      openLinksInNewTab(links, false);
-      state.uploading = false;
-      state.transfer = null;
-    }
-  });
-
-  emitter.on('password', async ({ password, file }) => {
-    try {
-      state.settingPassword = true;
-      render();
-      await file.setPassword(password);
-      state.storage.writeFile(file);
-      metrics.addedPassword({ size: file.size });
-      await delay(1000);
-    } catch (err) {
-      // eslint-disable-next-line no-console
-      console.error(err);
-      state.passwordSetError = err;
-    } finally {
-      state.settingPassword = false;
-    }
-    render();
-  });
-
-  emitter.on('getMetadata', async () => {
-    const file = state.fileInfo;
-    const receiver = new FileReceiver(file);
-    try {
-      await receiver.getMetadata();
-      state.transfer = receiver;
-    } catch (e) {
-      if (e.message === '401') {
-        file.password = null;
-        if (!file.requiresPassword) {
-          return emitter.emit('pushState', '/404');
-        }
-      }
-    }
-    render();
-  });
-
-  emitter.on('download', async file => {
-    state.transfer.on('progress', updateProgress);
-    state.transfer.on('decrypting', render);
-    const links = openLinksInNewTab();
-    const size = file.size;
-    try {
-      const start = Date.now();
-      metrics.startedDownload({ size: file.size, ttl: file.ttl });
-      const dl = state.transfer.download();
-      render();
-      await dl;
-      const time = Date.now() - start;
-      const speed = size / (time / 1000);
-      await delay(1000);
-      await fadeOut('.page');
-      state.storage.totalDownloads += 1;
-      state.transfer.reset();
-      metrics.completedDownload({ size, time, speed });
-      emitter.emit('pushState', '/completed');
-    } catch (err) {
-      if (err.message === '0') {
-        // download cancelled
-        state.transfer.reset();
-        render();
-      } else {
-        // eslint-disable-next-line no-console
-        console.error(err);
-        state.transfer = null;
-        const location = err.message === '404' ? '/404' : '/error';
-        if (location === '/error') {
-          state.raven.captureException(err);
-          metrics.stoppedDownload({ size, err });
-        }
-        emitter.emit('pushState', location);
-      }
-    } finally {
-      openLinksInNewTab(links, false);
-    }
-  });
-
-  emitter.on('copy', ({ url, location }) => {
-    copyToClipboard(url);
-    metrics.copiedLink({ location });
-  });
-
-  setInterval(() => {
-    // poll for updates of the download counts
-    // TODO something for the share page: || state.route === '/share/:id'
-    if (state.route === '/') {
-      checkFiles();
-    }
-  }, 2 * 60 * 1000);
-
-  setInterval(() => {
-    // poll for rerendering the file list countdown timers
-    if (
-      state.route === '/' &&
-      state.storage.files.length > 0 &&
-      Date.now() - lastRender > 30000
-    ) {
-      render();
-    }
-  }, 60000);
-}

app/fileReceiver.js

@@ -1,7 +1,9 @@
 import Nanobus from 'nanobus';
 import Keychain from './keychain';
-import { bytes } from './utils';
+import { delay, bytes, streamToArrayBuffer } from './utils';
-import { metadata, downloadFile } from './api';
+import { downloadFile, metadata, getApiUrl } from './api';
+import { blobStream } from './streams';
+import Zip from './zip';
 
 export default class FileReceiver extends Nanobus {
   constructor(fileInfo) {
@@ -43,15 +45,33 @@ export default class FileReceiver extends Nanobus {
 
   async getMetadata() {
     const meta = await metadata(this.fileInfo.id, this.keychain);
-    this.keychain.setIV(meta.iv);
     this.fileInfo.name = meta.name;
     this.fileInfo.type = meta.type;
     this.fileInfo.iv = meta.iv;
     this.fileInfo.size = +meta.size;
+    this.fileInfo.manifest = meta.manifest;
     this.state = 'ready';
   }
 
-  async download(noSave = false) {
+  sendMessageToSw(msg) {
+    return new Promise((resolve, reject) => {
+      const channel = new MessageChannel();
+
+      channel.port1.onmessage = function(event) {
+        if (event.data === undefined) {
+          reject('bad response from serviceWorker');
+        } else if (event.data.error !== undefined) {
+          reject(event.data.error);
+        } else {
+          resolve(event.data);
+        }
+      };
+
+      navigator.serviceWorker.controller.postMessage(msg, [channel.port2]);
+    });
+  }
+
+  async downloadBlob(noSave = false) {
     this.state = 'downloading';
     this.downloadRequest = await downloadFile(
       this.fileInfo.id,
@@ -67,7 +87,14 @@ export default class FileReceiver extends Nanobus {
       this.msg = 'decryptingFile';
       this.state = 'decrypting';
       this.emit('decrypting');
-      const plaintext = await this.keychain.decryptFile(ciphertext);
+      let size = this.fileInfo.size;
+      let plainStream = this.keychain.decryptStream(blobStream(ciphertext));
+      if (this.fileInfo.type === 'send-archive') {
+        const zip = new Zip(this.fileInfo.manifest, plainStream);
+        plainStream = zip.stream;
+        size = zip.size;
+      }
+      const plaintext = await streamToArrayBuffer(plainStream, size);
       if (!noSave) {
         await saveFile({
           plaintext,
@@ -76,12 +103,96 @@ export default class FileReceiver extends Nanobus {
         });
       }
       this.msg = 'downloadFinish';
+      this.emit('complete');
       this.state = 'complete';
     } catch (e) {
       this.downloadRequest = null;
       throw e;
     }
   }
+
+  async downloadStream(noSave = false) {
+    const onprogress = p => {
+      this.progress = [p, this.fileInfo.size];
+      this.emit('progress');
+    };
+
+    this.downloadRequest = {
+      cancel: () => {
+        this.sendMessageToSw({ request: 'cancel', id: this.fileInfo.id });
+      }
+    };
+
+    try {
+      this.state = 'downloading';
+
+      const info = {
+        request: 'init',
+        id: this.fileInfo.id,
+        filename: this.fileInfo.name,
+        type: this.fileInfo.type,
+        manifest: this.fileInfo.manifest,
+        key: this.fileInfo.secretKey,
+        requiresPassword: this.fileInfo.requiresPassword,
+        password: this.fileInfo.password,
+        url: this.fileInfo.url,
+        size: this.fileInfo.size,
+        nonce: this.keychain.nonce,
+        noSave
+      };
+      await this.sendMessageToSw(info);
+
+      onprogress(0);
+
+      if (noSave) {
+        const res = await fetch(getApiUrl(`/api/download/${this.fileInfo.id}`));
+        if (res.status !== 200) {
+          throw new Error(res.status);
+        }
+      } else {
+        const downloadPath = `/api/download/${this.fileInfo.id}`;
+        let downloadUrl = getApiUrl(downloadPath);
+        if (downloadUrl === downloadPath) {
+          downloadUrl = `${location.protocol}//${location.host}/api/download/${
+            this.fileInfo.id
+          }`;
+        }
+        const a = document.createElement('a');
+        a.href = downloadUrl;
+        document.body.appendChild(a);
+        a.click();
+      }
+
+      let prog = 0;
+      while (prog < this.fileInfo.size) {
+        const msg = await this.sendMessageToSw({
+          request: 'progress',
+          id: this.fileInfo.id
+        });
+        prog = msg.progress;
+        onprogress(prog);
+        await delay(1000);
+      }
+
+      this.downloadRequest = null;
+      this.msg = 'downloadFinish';
+      this.emit('complete');
+      this.state = 'complete';
+    } catch (e) {
+      this.downloadRequest = null;
+      if (e === 'cancelled' || e.message === '400') {
+        throw new Error(0);
+      }
+      throw e;
+    }
+  }
+
+  download(options) {
+    if (options.stream) {
+      return this.downloadStream(options.noSave);
+    }
+    return this.downloadBlob(options.noSave);
+  }
 }
 
 async function saveFile(file) {

app/fileSender.js

@@ -1,14 +1,13 @@
-/* global EXPIRE_SECONDS */
 import Nanobus from 'nanobus';
 import OwnedFile from './ownedFile';
 import Keychain from './keychain';
 import { arrayToB64, bytes } from './utils';
-import { uploadFile } from './api';
+import { uploadWs } from './api';
+import { encryptedSize } from './utils';
 
 export default class FileSender extends Nanobus {
-  constructor(file) {
+  constructor() {
     super('FileSender');
-    this.file = file;
     this.keychain = new Keychain();
     this.reset();
   }
@@ -18,7 +17,9 @@ export default class FileSender extends Nanobus {
   }
 
   get progressIndefinite() {
-    return ['fileSizeProgress', 'notifyUploadDone'].indexOf(this.msg) === -1;
+    return (
+      ['fileSizeProgress', 'notifyUploadEncryptDone'].indexOf(this.msg) === -1
+    );
   }
 
   get sizes() {
@@ -42,67 +43,61 @@ export default class FileSender extends Nanobus {
     }
   }
 
-  readFile() {
+  async upload(archive, bearerToken) {
-    return new Promise((resolve, reject) => {
-      const reader = new FileReader();
-      reader.readAsArrayBuffer(this.file);
-      // TODO: progress?
-      reader.onload = function(event) {
-        const plaintext = new Uint8Array(this.result);
-        resolve(plaintext);
-      };
-      reader.onerror = function(err) {
-        reject(err);
-      };
-    });
-  }
-
-  async upload() {
     const start = Date.now();
-    const plaintext = await this.readFile();
     if (this.cancelled) {
       throw new Error(0);
     }
     this.msg = 'encryptingFile';
     this.emit('encrypting');
-    const encrypted = await this.keychain.encryptFile(plaintext);
+    const totalSize = encryptedSize(archive.size);
-    const metadata = await this.keychain.encryptMetadata(this.file);
+    const encStream = await this.keychain.encryptStream(archive.stream);
+    const metadata = await this.keychain.encryptMetadata(archive);
     const authKeyB64 = await this.keychain.authKeyB64();
-    if (this.cancelled) {
+
-      throw new Error(0);
+    this.uploadRequest = uploadWs(
-    }
+      encStream,
-    this.uploadRequest = uploadFile(
-      encrypted,
       metadata,
       authKeyB64,
-      this.keychain,
+      archive.timeLimit,
+      archive.dlimit,
+      bearerToken,
       p => {
-        this.progress = p;
+        this.progress = [p, totalSize];
         this.emit('progress');
       }
     );
+
+    if (this.cancelled) {
+      throw new Error(0);
+    }
+
     this.msg = 'fileSizeProgress';
     this.emit('progress'); // HACK to kick MS Edge
     try {
       const result = await this.uploadRequest.result;
       const time = Date.now() - start;
-      this.msg = 'notifyUploadDone';
+      this.msg = 'notifyUploadEncryptDone';
       this.uploadRequest = null;
       this.progress = [1, 1];
       const secretKey = arrayToB64(this.keychain.rawSecret);
       const ownedFile = new OwnedFile({
         id: result.id,
         url: `${result.url}#${secretKey}`,
-        name: this.file.name,
+        name: archive.name,
-        size: this.file.size,
+        size: archive.size,
+        manifest: archive.manifest,
         time: time,
-        speed: this.file.size / (time / 1000),
+        speed: archive.size / (time / 1000),
         createdAt: Date.now(),
-        expiresAt: Date.now() + EXPIRE_SECONDS * 1000,
+        expiresAt: Date.now() + archive.timeLimit * 1000,
         secretKey: secretKey,
         nonce: this.keychain.nonce,
-        ownerToken: result.ownerToken
+        ownerToken: result.ownerToken,
+        dlimit: archive.dlimit,
+        timeLimit: archive.timeLimit
       });
+
       return ownedFile;
     } catch (e) {
       this.msg = 'errorPageHeader';

app/fxa.js

@@ -0,0 +1,181 @@
+/* global AUTH_CONFIG */
+import { arrayToB64, b64ToArray } from './utils';
+
+const encoder = new TextEncoder();
+const decoder = new TextDecoder();
+
+function getOtherInfo(enc) {
+  const name = encoder.encode(enc);
+  const length = 256;
+  const buffer = new ArrayBuffer(name.length + 16);
+  const dv = new DataView(buffer);
+  const result = new Uint8Array(buffer);
+  let i = 0;
+  dv.setUint32(i, name.length);
+  i += 4;
+  result.set(name, i);
+  i += name.length;
+  dv.setUint32(i, 0);
+  i += 4;
+  dv.setUint32(i, 0);
+  i += 4;
+  dv.setUint32(i, length);
+  return result;
+}
+
+function concat(b1, b2) {
+  const result = new Uint8Array(b1.length + b2.length);
+  result.set(b1, 0);
+  result.set(b2, b1.length);
+  return result;
+}
+
+async function concatKdf(key, enc) {
+  if (key.length !== 32) {
+    throw new Error('unsupported key length');
+  }
+  const otherInfo = getOtherInfo(enc);
+  const buffer = new ArrayBuffer(4 + key.length + otherInfo.length);
+  const dv = new DataView(buffer);
+  const concat = new Uint8Array(buffer);
+  dv.setUint32(0, 1);
+  concat.set(key, 4);
+  concat.set(otherInfo, key.length + 4);
+  const result = await crypto.subtle.digest('SHA-256', concat);
+  return new Uint8Array(result);
+}
+
+export async function prepareScopedBundleKey(storage) {
+  const keys = await crypto.subtle.generateKey(
+    {
+      name: 'ECDH',
+      namedCurve: 'P-256'
+    },
+    true,
+    ['deriveBits']
+  );
+  const privateJwk = await crypto.subtle.exportKey('jwk', keys.privateKey);
+  const publicJwk = await crypto.subtle.exportKey('jwk', keys.publicKey);
+  const kid = await crypto.subtle.digest(
+    'SHA-256',
+    encoder.encode(JSON.stringify(publicJwk))
+  );
+  privateJwk.kid = kid;
+  publicJwk.kid = kid;
+  storage.set('scopedBundlePrivateKey', JSON.stringify(privateJwk));
+  return arrayToB64(encoder.encode(JSON.stringify(publicJwk)));
+}
+
+export async function decryptBundle(storage, bundle) {
+  const privateJwk = JSON.parse(storage.get('scopedBundlePrivateKey'));
+  storage.remove('scopedBundlePrivateKey');
+  const privateKey = await crypto.subtle.importKey(
+    'jwk',
+    privateJwk,
+    {
+      name: 'ECDH',
+      namedCurve: 'P-256'
+    },
+    false,
+    ['deriveBits']
+  );
+  const jweParts = bundle.split('.');
+  if (jweParts.length !== 5) {
+    throw new Error('invalid jwe');
+  }
+  const header = JSON.parse(decoder.decode(b64ToArray(jweParts[0])));
+  const additionalData = encoder.encode(jweParts[0]);
+  const iv = b64ToArray(jweParts[2]);
+  const ciphertext = b64ToArray(jweParts[3]);
+  const tag = b64ToArray(jweParts[4]);
+
+  if (header.alg !== 'ECDH-ES' || header.enc !== 'A256GCM') {
+    throw new Error('unsupported jwe type');
+  }
+
+  const publicKey = await crypto.subtle.importKey(
+    'jwk',
+    header.epk,
+    {
+      name: 'ECDH',
+      namedCurve: 'P-256'
+    },
+    false,
+    []
+  );
+  const sharedBits = await crypto.subtle.deriveBits(
+    {
+      name: 'ECDH',
+      public: publicKey
+    },
+    privateKey,
+    256
+  );
+
+  const rawSharedKey = await concatKdf(new Uint8Array(sharedBits), header.enc);
+  const sharedKey = await crypto.subtle.importKey(
+    'raw',
+    rawSharedKey,
+    {
+      name: 'AES-GCM'
+    },
+    false,
+    ['decrypt']
+  );
+
+  const plaintext = await crypto.subtle.decrypt(
+    {
+      name: 'AES-GCM',
+      iv: iv,
+      additionalData: additionalData,
+      tagLength: tag.length * 8
+    },
+    sharedKey,
+    concat(ciphertext, tag)
+  );
+
+  return JSON.parse(decoder.decode(plaintext));
+}
+
+export async function preparePkce(storage) {
+  const verifier = arrayToB64(crypto.getRandomValues(new Uint8Array(64)));
+  storage.set('pkceVerifier', verifier);
+  const challenge = await crypto.subtle.digest(
+    'SHA-256',
+    encoder.encode(verifier)
+  );
+  return arrayToB64(new Uint8Array(challenge));
+}
+
+export async function deriveFileListKey(ikm) {
+  const baseKey = await crypto.subtle.importKey(
+    'raw',
+    b64ToArray(ikm),
+    { name: 'HKDF' },
+    false,
+    ['deriveKey']
+  );
+  const fileListKey = await crypto.subtle.deriveKey(
+    {
+      name: 'HKDF',
+      salt: new Uint8Array(),
+      info: encoder.encode('fileList'),
+      hash: 'SHA-256'
+    },
+    baseKey,
+    {
+      name: 'AES-GCM',
+      length: 128
+    },
+    true,
+    ['encrypt', 'decrypt']
+  );
+  const rawFileListKey = await crypto.subtle.exportKey('raw', fileListKey);
+  return arrayToB64(new Uint8Array(rawFileListKey));
+}
+
+export async function getFileListKey(storage, bundle) {
+  const jwks = await decryptBundle(storage, bundle);
+  const jwk = jwks[AUTH_CONFIG.key_scope];
+  return deriveFileListKey(jwk.k);
+}

app/keychain.js

@@ -1,22 +1,17 @@
 import { arrayToB64, b64ToArray } from './utils';
-
+import { decryptStream, encryptStream } from './ece.js';
 const encoder = new TextEncoder();
 const decoder = new TextDecoder();
 
 export default class Keychain {
-  constructor(secretKeyB64, nonce, ivB64) {
+  constructor(secretKeyB64, nonce) {
     this._nonce = nonce || 'yRCdyQ1EMSA3mo4rqSkuNQ==';
-    if (ivB64) {
-      this.iv = b64ToArray(ivB64);
-    } else {
-      this.iv = window.crypto.getRandomValues(new Uint8Array(12));
-    }
     if (secretKeyB64) {
       this.rawSecret = b64ToArray(secretKeyB64);
     } else {
-      this.rawSecret = window.crypto.getRandomValues(new Uint8Array(16));
+      this.rawSecret = crypto.getRandomValues(new Uint8Array(16));
     }
-    this.secretKeyPromise = window.crypto.subtle.importKey(
+    this.secretKeyPromise = crypto.subtle.importKey(
       'raw',
       this.rawSecret,
       'HKDF',
@@ -24,7 +19,7 @@ export default class Keychain {
       ['deriveKey']
     );
     this.encryptKeyPromise = this.secretKeyPromise.then(function(secretKey) {
-      return window.crypto.subtle.deriveKey(
+      return crypto.subtle.deriveKey(
         {
           name: 'HKDF',
           salt: new Uint8Array(),
@@ -41,7 +36,7 @@ export default class Keychain {
       );
     });
     this.metaKeyPromise = this.secretKeyPromise.then(function(secretKey) {
-      return window.crypto.subtle.deriveKey(
+      return crypto.subtle.deriveKey(
         {
           name: 'HKDF',
           salt: new Uint8Array(),
@@ -58,7 +53,7 @@ export default class Keychain {
       );
     });
     this.authKeyPromise = this.secretKeyPromise.then(function(secretKey) {
-      return window.crypto.subtle.deriveKey(
+      return crypto.subtle.deriveKey(
         {
           name: 'HKDF',
           salt: new Uint8Array(),
@@ -86,17 +81,13 @@ export default class Keychain {
     }
   }
 
-  setIV(ivB64) {
-    this.iv = b64ToArray(ivB64);
-  }
-
   setPassword(password, shareUrl) {
-    this.authKeyPromise = window.crypto.subtle
+    this.authKeyPromise = crypto.subtle
       .importKey('raw', encoder.encode(password), { name: 'PBKDF2' }, false, [
         'deriveKey'
       ])
       .then(passwordKey =>
-        window.crypto.subtle.deriveKey(
+        crypto.subtle.deriveKey(
           {
             name: 'PBKDF2',
             salt: encoder.encode(shareUrl),
@@ -115,7 +106,7 @@ export default class Keychain {
   }
 
   setAuthKey(authKeyB64) {
-    this.authKeyPromise = window.crypto.subtle.importKey(
+    this.authKeyPromise = crypto.subtle.importKey(
       'raw',
       b64ToArray(authKeyB64),
       {
@@ -129,13 +120,13 @@ export default class Keychain {
 
   async authKeyB64() {
     const authKey = await this.authKeyPromise;
-    const rawAuth = await window.crypto.subtle.exportKey('raw', authKey);
+    const rawAuth = await crypto.subtle.exportKey('raw', authKey);
     return arrayToB64(new Uint8Array(rawAuth));
   }
 
   async authHeader() {
     const authKey = await this.authKeyPromise;
-    const sig = await window.crypto.subtle.sign(
+    const sig = await crypto.subtle.sign(
       {
         name: 'HMAC'
       },
@@ -145,23 +136,9 @@ export default class Keychain {
     return `send-v1 ${arrayToB64(new Uint8Array(sig))}`;
   }
 
-  async encryptFile(plaintext) {
-    const encryptKey = await this.encryptKeyPromise;
-    const ciphertext = await window.crypto.subtle.encrypt(
-      {
-        name: 'AES-GCM',
-        iv: this.iv,
-        tagLength: 128
-      },
-      encryptKey,
-      plaintext
-    );
-    return ciphertext;
-  }
-
   async encryptMetadata(metadata) {
     const metaKey = await this.metaKeyPromise;
-    const ciphertext = await window.crypto.subtle.encrypt(
+    const ciphertext = await crypto.subtle.encrypt(
       {
         name: 'AES-GCM',
         iv: new Uint8Array(12),
@@ -170,32 +147,27 @@ export default class Keychain {
       metaKey,
       encoder.encode(
         JSON.stringify({
-          iv: arrayToB64(this.iv),
           name: metadata.name,
-          type: metadata.type || 'application/octet-stream'
+          size: metadata.size,
+          type: metadata.type || 'application/octet-stream',
+          manifest: metadata.manifest || {}
         })
       )
     );
     return ciphertext;
   }
 
-  async decryptFile(ciphertext) {
+  encryptStream(plainStream) {
-    const encryptKey = await this.encryptKeyPromise;
+    return encryptStream(plainStream, this.rawSecret);
-    const plaintext = await window.crypto.subtle.decrypt(
+  }
-      {
+
-        name: 'AES-GCM',
+  decryptStream(cryptotext) {
-        iv: this.iv,
+    return decryptStream(cryptotext, this.rawSecret);
-        tagLength: 128
-      },
-      encryptKey,
-      ciphertext
-    );
-    return plaintext;
   }
 
   async decryptMetadata(ciphertext) {
     const metaKey = await this.metaKeyPromise;
-    const plaintext = await window.crypto.subtle.decrypt(
+    const plaintext = await crypto.subtle.decrypt(
       {
         name: 'AES-GCM',
         iv: new Uint8Array(12),

app/locale.js

@@ -0,0 +1,26 @@
+import { FluentBundle } from 'fluent';
+
+function makeBundle(locale, ftl) {
+  const bundle = new FluentBundle(locale, { useIsolating: false });
+  bundle.addMessages(ftl);
+  return bundle;
+}
+
+export async function getTranslator(locale) {
+  const bundles = [];
+  const { default: en } = await import('../public/locales/en-US/send.ftl');
+  if (locale !== 'en-US') {
+    const {
+      default: ftl
+    } = await import(`../public/locales/${locale}/send.ftl`);
+    bundles.push(makeBundle(locale, ftl));
+  }
+  bundles.push(makeBundle('en-US', en));
+  return function(id, data) {
+    for (let bundle of bundles) {
+      if (bundle.hasMessage(id)) {
+        return bundle.format(bundle.getMessage(id), data);
+      }
+    }
+  };
+}

app/main.css

@@ -1,16 +1,289 @@
-@import './base.css';
+@tailwind preflight;
-@import './templates/header/header.css';
+@tailwind components;
-@import './templates/downloadButton/downloadButton.css';
+
-@import './templates/progress/progress.css';
+:not(input) {
-@import './templates/passwordInput/passwordInput.css';
+  -webkit-user-select: none;
-@import './templates/downloadPassword/downloadPassword.css';
+  -moz-user-select: none;
-@import './templates/setPasswordSection/setPasswordSection.css';
+  -ms-user-select: none;
-@import './templates/footer/footer.css';
+  user-select: none;
-@import './templates/fxPromo/fxPromo.css';
+}
-@import './templates/selectbox/selectbox.css';
+
-@import './templates/fileList/fileList.css';
+a {
-@import './templates/file/file.css';
+  color: inherit;
-@import './templates/popup/popup.css';
+  text-decoration: none;
-@import './pages/welcome/welcome.css';
+}
-@import './pages/share/share.css';
+
-@import './pages/unsupported/unsupported.css';
+a:focus {
+  outline: 1px dotted grey;
+}
+
+body {
+  background-image: url('../assets/bg.svg');
+  background-position: center;
+  background-repeat: no-repeat;
+  background-size: cover;
+}
+
+.btn {
+  @apply bg-blue-dark;
+  @apply text-white;
+  @apply cursor-pointer;
+  @apply py-4;
+  @apply px-6;
+}
+
+.btn:hover {
+  @apply bg-blue-darker;
+}
+
+.btn:focus {
+  @apply bg-blue-darker;
+}
+
+.checkbox {
+  @apply leading-normal;
+  @apply select-none;
+}
+
+.checkbox > input[type='checkbox'] {
+  @apply absolute;
+  @apply opacity-0;
+}
+
+.checkbox > label {
+  @apply cursor-pointer;
+}
+
+.checkbox > label::before {
+  /* @apply bg-grey-lightest; */
+  @apply border;
+  @apply rounded-sm;
+
+  content: '';
+  height: 1.5rem;
+  width: 1.5rem;
+  margin-right: 0.5rem;
+  float: left;
+}
+
+.checkbox > label:hover::before {
+  @apply border-blue-dark;
+}
+
+.checkbox > input:focus + label::before {
+  @apply border-blue-dark;
+}
+
+.checkbox > input:checked + label::before {
+  @apply bg-blue-dark;
+  @apply border-blue-dark;
+
+  background-image: url('../assets/lock.svg');
+  background-position: center;
+  background-size: 1.25rem;
+  background-repeat: no-repeat;
+}
+
+.checkbox > input:disabled + label {
+  cursor: auto;
+}
+
+.checkbox > input:disabled + label::before {
+  @apply bg-blue-dark;
+  @apply border-blue-dark;
+
+  background-image: url('../assets/lock.svg');
+  background-position: center;
+  background-size: 1.25rem;
+  background-repeat: no-repeat;
+  cursor: auto;
+}
+
+details {
+  overflow: hidden;
+}
+
+details > summary::-webkit-details-marker {
+  display: none;
+}
+
+details > summary > svg {
+  transition: all 0.25s cubic-bezier(0.07, 0.95, 0, 1);
+}
+
+details[open] {
+  overflow-y: auto;
+}
+
+details[open] > summary > svg {
+  transform: rotate(90deg);
+}
+
+footer li:hover {
+  text-decoration: underline;
+}
+
+.feedback-link {
+  background-color: #000;
+  background-image: url('../assets/feedback.svg');
+  background-position: 0.125rem 0.25rem;
+  background-repeat: no-repeat;
+  background-size: 1.125rem;
+  color: #fff;
+  display: block;
+  font-size: 0.75rem;
+  line-height: 0.75rem;
+  padding: 0.375rem 0.375rem 0.375rem 1.25rem;
+  text-indent: 0.125rem;
+  white-space: nowrap;
+}
+
+.intro {
+  max-width: 100%;
+  height: unset;
+}
+
+.main {
+  display: flex;
+  position: relative;
+  max-width: 64rem;
+  width: 100%;
+  height: 100%;
+}
+
+.main > section {
+  @apply bg-white;
+}
+
+.mozilla-logo {
+  background-image: url('../assets/mozilla-logo.svg');
+  background-repeat: no-repeat;
+  background-size: 100px, 32px;
+  overflow: hidden;
+  text-indent: 120%;
+  white-space: nowrap;
+  display: inline-block;
+  height: 32px;
+  width: 100px;
+  flex-shrink: 0;
+}
+
+#password-msg::after {
+  content: '\200b';
+}
+
+progress {
+  @apply bg-grey-light;
+  @apply rounded-sm;
+  @apply w-full;
+  @apply h-1;
+}
+
+progress::-webkit-progress-bar {
+  @apply bg-grey-light;
+  @apply rounded-sm;
+  @apply w-full;
+  @apply h-1;
+}
+
+progress::-webkit-progress-value {
+  /* stylelint-disable */
+  background-image: -webkit-linear-gradient(
+      -45deg,
+      transparent 20%,
+      rgba(255, 255, 255, 0.4) 20%,
+      rgba(255, 255, 255, 0.4) 40%,
+      transparent 40%,
+      transparent 60%,
+      rgba(255, 255, 255, 0.4) 60%,
+      rgba(255, 255, 255, 0.4) 80%,
+      transparent 80%
+    ),
+    -webkit-linear-gradient(left, #0a84ff, #0a84ff);
+  /* stylelint-enable */
+  border-radius: 2px;
+  background-size: 21px 20px, 100% 100%, 100% 100%;
+  -webkit-animation: animate-stripes 1s linear infinite;
+}
+
+progress::-moz-progress-bar {
+  /* stylelint-disable */
+  background-image: -moz-linear-gradient(
+      135deg,
+      transparent 20%,
+      rgba(255, 255, 255, 0.4) 20%,
+      rgba(255, 255, 255, 0.4) 40%,
+      transparent 40%,
+      transparent 60%,
+      rgba(255, 255, 255, 0.4) 60%,
+      rgba(255, 255, 255, 0.4) 80%,
+      transparent 80%
+    ),
+    -moz-linear-gradient(left, #0a84ff, #0a84ff);
+  /* stylelint-enable */
+  border-radius: 2px;
+  background-size: 21px 20px, 100% 100%, 100% 100%;
+  animation: animate-stripes 1s linear infinite;
+}
+
+@-webkit-keyframes animate-stripes {
+  100% {
+    background-position: -21px 0;
+  }
+}
+
+@keyframes animate-stripes {
+  100% {
+    background-position: -21px 0;
+  }
+}
+
+select {
+  background-image: url('../assets/select-arrow.svg');
+  background-position: calc(100% - 0.75rem);
+  background-repeat: no-repeat;
+}
+
+@screen md {
+  .intro {
+    max-width: unset;
+    height: unset;
+    margin-bottom: -3rem;
+    margin-right: -7rem;
+  }
+
+  .main {
+    @apply flex-1;
+    @apply self-center;
+    @apply items-center;
+    @apply m-auto;
+    @apply py-8;
+
+    min-height: 36rem;
+    max-height: 40rem;
+    width: calc(100% - 3rem);
+  }
+}
+
+@tailwind utilities;
+
+@responsive {
+  .shadow-light {
+    box-shadow: 0 0 8px 0 rgba(12, 12, 13, 0.1);
+  }
+
+  .shadow-big {
+    box-shadow: 0 0 32px 0 rgba(12, 12, 13, 0.1),
+      0 2px 16px 0 rgba(12, 12, 13, 0.05);
+  }
+}
+
+@variants focus {
+  .outline {
+    outline: 1px dotted grey;
+  }
+}
+
+.word-break-all {
+  word-break: break-all;
+}

app/main.js

@@ -1,54 +1,64 @@
+/* global DEFAULTS LIMITS LOCALE */
+import 'core-js';
 import 'fast-text-encoding'; // MS Edge support
 import 'fluent-intl-polyfill';
-import app from './routes';
+import choo from 'choo';
-import locale from '../common/locales';
+import nanotiming from 'nanotiming';
-import fileManager from './fileManager';
+import routes from './routes';
+import getCapabilities from './capabilities';
+import controller from './controller';
 import dragManager from './dragManager';
 import pasteManager from './pasteManager';
-import { canHasSend } from './utils';
 import storage from './storage';
 import metrics from './metrics';
 import experiments from './experiments';
 import Raven from 'raven-js';
+import './main.css';
+import User from './user';
+import { getTranslator } from './locale';
+import Archive from './archive';
 
 if (navigator.doNotTrack !== '1' && window.RAVEN_CONFIG) {
   Raven.config(window.SENTRY_ID, window.RAVEN_CONFIG).install();
 }
 
-app.use((state, emitter) => {
+if (process.env.NODE_ENV === 'production') {
-  state.transfer = null;
+  nanotiming.disabled = true;
-  state.fileInfo = null;
+}
-  state.translate = locale.getTranslator();
+
-  state.storage = storage;
+(async function start() {
-  state.raven = Raven;
+  const capabilities = await getCapabilities();
-  window.appState = state;
-  emitter.on('DOMContentLoaded', async function checkSupport() {
-    let unsupportedReason = null;
   if (
-      // Firefox < 50
+    !capabilities.crypto &&
-      /firefox/i.test(navigator.userAgent) &&
+    window.location.pathname !== '/unsupported/crypto'
-      parseInt(navigator.userAgent.match(/firefox\/*([^\n\r]*)\./i)[1], 10) < 50
   ) {
-      unsupportedReason = 'outdated';
+    return window.location.assign('/unsupported/crypto');
   }
-    const ok = await canHasSend();
+  if (capabilities.serviceWorker) {
-    if (!ok) {
+    await navigator.serviceWorker.register('/serviceWorker.js');
-      unsupportedReason = /firefox/i.test(navigator.userAgent)
+    await navigator.serviceWorker.ready;
-        ? 'outdated'
-        : 'gcm';
   }
-    if (unsupportedReason) {
-      setTimeout(() =>
-        emitter.emit('replaceState', `/unsupported/${unsupportedReason}`)
-      );
-    }
-  });
-});
 
-app.use(metrics);
+  const translate = await getTranslator(LOCALE);
-app.use(fileManager);
+  window.initialState = {
-app.use(dragManager);
+    LIMITS,
-app.use(experiments);
+    DEFAULTS,
-app.use(pasteManager);
+    archive: new Archive([], DEFAULTS.EXPIRE_SECONDS),
+    capabilities,
+    translate,
+    storage,
+    raven: Raven,
+    user: new User(storage, LIMITS, window.AUTH_CONFIG),
+    transfer: null,
+    fileInfo: null
+  };
 
-app.mount('body');
+  const app = routes(choo());
+  window.app = app;
+  app.use(metrics);
+  app.use(controller);
+  app.use(dragManager);
+  app.use(experiments);
+  app.use(pasteManager);
+  app.mount('body');
+})();

app/metrics.js

@@ -1,297 +1,178 @@
-import testPilotGA from 'testpilot-ga/src/TestPilotGA';
 import storage from './storage';
-
+import { platform } from './utils';
-let hasLocalStorage = false;
+import { sendMetrics } from './api';
-try {
-  hasLocalStorage = typeof localStorage !== 'undefined';
-} catch (e) {
-  // when disabled, any mention of localStorage throws an error
-}
-
-const analytics = new testPilotGA({
-  an: 'Firefox Send',
-  ds: 'web',
-  tid: window.GOOGLE_ANALYTICS_ID
-});
 
 let appState = null;
-let experiment = null;
+// let experiment = null;
+const HOUR = 1000 * 60 * 60;
+const events = [];
+let session_id = Date.now();
+const lang = document.querySelector('html').lang;
 
 export default function initialize(state, emitter) {
   appState = state;
+  if (!appState.user.firstAction) {
+    appState.user.firstAction = appState.route === '/' ? 'upload' : 'download';
+  }
   emitter.on('DOMContentLoaded', () => {
-    addExitHandlers();
+    // experiment = storage.enrolled[0];
-    experiment = storage.enrolled[0];
+    const query = appState.query;
-    sendEvent(category(), 'visit', {
+    addEvent('client_visit', {
-      cm5: storage.totalUploads,
+      entrypoint: appState.route === '/' ? 'upload' : 'download',
-      cm6: storage.files.length,
+      referrer: document.referrer,
-      cm7: storage.totalDownloads
+      utm_campaign: query.utm_campaign,
+      utm_content: query.utm_content,
+      utm_medium: query.utm_medium,
+      utm_source: query.utm_source,
+      utm_term: query.utm_term
     });
-    //TODO restart handlers... somewhere
   });
-  emitter.on('exit', exitEvent);
   emitter.on('experiment', experimentEvent);
+  window.addEventListener('unload', submitEvents);
 }
 
-function category() {
+function sizeOrder(n) {
-  switch (appState.route) {
+  return Math.floor(Math.log10(n));
-    case '/':
-    case '/share/:id':
-      return 'sender';
-    case '/download/:id/:key':
-    case '/download/:id':
-    case '/completed':
-      return 'recipient';
-    default:
-      return 'other';
-  }
 }
 
-function sendEvent() {
+function submitEvents() {
-  const args = Array.from(arguments);
+  if (navigator.doNotTrack === '1') {
-  if (experiment && args[2]) {
+    return;
-    args[2].xid = experiment[0];
-    args[2].xvar = experiment[1];
   }
-  return (
+  sendMetrics(
-    hasLocalStorage && analytics.sendEvent.apply(analytics, args).catch(() => 0)
+    new Blob(
+      [
+        JSON.stringify({
+          now: Date.now(),
+          session_id,
+          lang,
+          platform: platform(),
+          events
+        })
+      ],
+      { type: 'text/plain' } // see http://crbug.com/490015
+    )
   );
+  events.splice(0);
 }
 
-function urlToMetric(url) {
+async function addEvent(event_type, event_properties) {
-  switch (url) {
+  const user_id = await appState.user.metricId();
-    case 'https://www.mozilla.org/':
+  const device_id = await appState.user.deviceId();
-      return 'mozilla';
+  events.push({
-    case 'https://www.mozilla.org/about/legal':
+    device_id,
-      return 'legal';
+    event_properties,
-    case 'https://testpilot.firefox.com/about':
+    event_type,
-      return 'about';
+    time: Date.now(),
-    case 'https://testpilot.firefox.com/privacy':
+    user_id,
-      return 'privacy';
+    user_properties: {
-    case 'https://testpilot.firefox.com/terms':
+      anonymous: !appState.user.loggedIn,
-      return 'terms';
+      first_action: appState.user.firstAction,
-    case 'https://www.mozilla.org/privacy/websites/#cookies':
+      active_count: storage.files.length
-      return 'cookies';
+    }
-    case 'https://github.com/mozilla/send':
+  });
-      return 'github';
+  if (events.length === 25) {
-    case 'https://twitter.com/FxTestPilot':
+    submitEvents();
-      return 'twitter';
-    case 'https://www.mozilla.org/firefox/new/?scene=2':
-      return 'download-firefox';
-    case 'https://qsurvey.mozilla.com/s3/txp-firefox-send':
-      return 'survey';
-    case 'https://testpilot.firefox.com/':
-    case 'https://testpilot.firefox.com/experiments/send':
-      return 'testpilot';
-    case 'https://www.mozilla.org/firefox/new/?utm_campaign=send-acquisition&utm_medium=referral&utm_source=send.firefox.com':
-      return 'promo';
-    default:
-      return 'other';
   }
 }
 
-function setReferrer(state) {
+function cancelledUpload(archive, duration) {
-  if (category() === 'sender') {
+  return addEvent('client_upload', {
-    if (state) {
+    download_limit: archive.dlimit,
-      storage.referrer = `${state}-upload`;
+    duration: sizeOrder(duration),
-    }
+    file_count: archive.numFiles,
-  } else if (category() === 'recipient') {
+    password_protected: !!archive.password,
-    if (state) {
+    size: sizeOrder(archive.size),
-      storage.referrer = `${state}-download`;
+    status: 'cancel',
-    }
+    time_limit: archive.timeLimit
-  }
-}
-
-function externalReferrer() {
-  if (/^https:\/\/testpilot\.firefox\.com/.test(document.referrer)) {
-    return 'testpilot';
-  }
-  return 'external';
-}
-
-function takeReferrer() {
-  const referrer = storage.referrer || externalReferrer();
-  storage.referrer = null;
-  return referrer;
-}
-
-function startedUpload(params) {
-  return sendEvent('sender', 'upload-started', {
-    cm1: params.size,
-    cm5: storage.totalUploads,
-    cm6: storage.files.length + 1,
-    cm7: storage.totalDownloads,
-    cd1: params.type,
-    cd5: takeReferrer()
   });
 }
 
-function cancelledUpload(params) {
+function completedUpload(archive, duration) {
-  setReferrer('cancelled');
+  return addEvent('client_upload', {
-  return sendEvent('sender', 'upload-stopped', {
+    download_limit: archive.dlimit,
-    cm1: params.size,
+    duration: sizeOrder(duration),
-    cm5: storage.totalUploads,
+    file_count: archive.numFiles,
-    cm6: storage.files.length,
+    password_protected: !!archive.password,
-    cm7: storage.totalDownloads,
+    size: sizeOrder(archive.size),
-    cd1: params.type,
+    status: 'ok',
-    cd2: 'cancelled'
+    time_limit: archive.timeLimit
   });
 }
 
-function completedUpload(params) {
+function stoppedUpload(archive) {
-  return sendEvent('sender', 'upload-stopped', {
+  return addEvent('client_upload', {
-    cm1: params.size,
+    download_limit: archive.dlimit,
-    cm2: params.time,
+    file_count: archive.numFiles,
-    cm3: params.speed,
+    password_protected: !!archive.password,
-    cm5: storage.totalUploads,
+    size: sizeOrder(archive.size),
-    cm6: storage.files.length,
+    status: 'error',
-    cm7: storage.totalDownloads,
+    time_limit: archive.timeLimit
-    cd1: params.type,
-    cd2: 'completed'
-  });
-}
-
-function addedPassword(params) {
-  return sendEvent('sender', 'password-added', {
-    cm1: params.size,
-    cm5: storage.totalUploads,
-    cm6: storage.files.length,
-    cm7: storage.totalDownloads
-  });
-}
-
-function startedDownload(params) {
-  return sendEvent('recipient', 'download-started', {
-    cm1: params.size,
-    cm4: params.ttl,
-    cm5: storage.totalUploads,
-    cm6: storage.files.length,
-    cm7: storage.totalDownloads
   });
 }
 
 function stoppedDownload(params) {
-  return sendEvent('recipient', 'download-stopped', {
+  return addEvent('client_download', {
-    cm1: params.size,
+    duration: sizeOrder(params.duration),
-    cm5: storage.totalUploads,
+    password_protected: params.password_protected,
-    cm6: storage.files.length,
+    size: sizeOrder(params.size),
-    cm7: storage.totalDownloads,
+    status: 'error'
-    cd2: 'errored',
-    cd6: params.err
-  });
-}
-
-function cancelledDownload(params) {
-  setReferrer('cancelled');
-  return sendEvent('recipient', 'download-stopped', {
-    cm1: params.size,
-    cm5: storage.totalUploads,
-    cm6: storage.files.length,
-    cm7: storage.totalDownloads,
-    cd2: 'cancelled'
-  });
-}
-
-function stoppedUpload(params) {
-  return sendEvent('sender', 'upload-stopped', {
-    cm1: params.size,
-    cm5: storage.totalUploads,
-    cm6: storage.files.length,
-    cm7: storage.totalDownloads,
-    cd1: params.type,
-    cd2: 'errored',
-    cd6: params.err
-  });
-}
-
-function changedDownloadLimit(params) {
-  return sendEvent('sender', 'download-limit-changed', {
-    cm1: params.size,
-    cm5: storage.totalUploads,
-    cm6: storage.files.length,
-    cm7: storage.totalDownloads,
-    cm8: params.dlimit
   });
 }
 
 function completedDownload(params) {
-  return sendEvent('recipient', 'download-stopped', {
+  return addEvent('client_download', {
-    cm1: params.size,
+    duration: sizeOrder(params.duration),
-    cm2: params.time,
+    password_protected: params.password_protected,
-    cm3: params.speed,
+    size: sizeOrder(params.size),
-    cm5: storage.totalUploads,
+    status: 'ok'
-    cm6: storage.files.length,
-    cm7: storage.totalDownloads,
-    cd2: 'completed'
   });
 }
 
-function deletedUpload(params) {
+function deletedUpload(ownedFile) {
-  return sendEvent(category(), 'upload-deleted', {
+  return addEvent('client_delete', {
-    cm1: params.size,
+    age: Math.floor((Date.now() - ownedFile.createdAt) / HOUR),
-    cm2: params.time,
+    downloaded: ownedFile.dtotal > 0,
-    cm3: params.speed,
+    status: 'ok'
-    cm4: params.ttl,
-    cm5: storage.totalUploads,
-    cm6: storage.files.length,
-    cm7: storage.totalDownloads,
-    cd1: params.type,
-    cd4: params.location
-  });
-}
-
-function unsupported(params) {
-  return sendEvent(category(), 'unsupported', {
-    cd6: params.err
-  });
-}
-
-function copiedLink(params) {
-  return sendEvent('sender', 'copied', {
-    cd4: params.location
-  });
-}
-
-function exitEvent(target) {
-  return sendEvent(category(), 'exited', {
-    cd3: urlToMetric(target.currentTarget.href)
   });
 }
 
 function experimentEvent(params) {
-  return sendEvent(category(), 'experiment', params);
+  return addEvent('client_experiment', params);
 }
 
-// eslint-disable-next-line no-unused-vars
+function submittedSignup(params) {
-function addExitHandlers() {
+  return addEvent('client_login', {
-  const links = Array.from(document.querySelectorAll('a'));
+    status: 'ok',
-  links.forEach(l => {
+    trigger: params.trigger
-    if (/^http/.test(l.getAttribute('href'))) {
-      l.addEventListener('click', exitEvent);
-    }
   });
 }
 
-function restart(state) {
+function canceledSignup(params) {
-  setReferrer(state);
+  return addEvent('client_login', {
-  return sendEvent(category(), 'restarted', {
+    status: 'cancel',
-    cd2: state
+    trigger: params.trigger
   });
 }
 
+function loggedOut(params) {
+  addEvent('client_logout', {
+    status: 'ok',
+    trigger: params.trigger
+  });
+  // flush events and start new anon session
+  submitEvents();
+  session_id = Date.now();
+}
+
 export {
-  copiedLink,
-  startedUpload,
   cancelledUpload,
   stoppedUpload,
   completedUpload,
-  changedDownloadLimit,
   deletedUpload,
-  startedDownload,
-  cancelledDownload,
   stoppedDownload,
   completedDownload,
-  addedPassword,
+  submittedSignup,
-  restart,
+  canceledSignup,
-  unsupported
+  loggedOut
 };

app/ownedFile.js

@@ -8,7 +8,7 @@ export default class OwnedFile {
     this.url = obj.url;
     this.name = obj.name;
     this.size = obj.size;
-    this.type = obj.type;
+    this.manifest = obj.manifest;
     this.time = obj.time;
     this.speed = obj.speed;
     this.createdAt = obj.createdAt;
@@ -18,6 +18,15 @@ export default class OwnedFile {
     this.dtotal = obj.dtotal || 0;
     this.keychain = new Keychain(obj.secretKey, obj.nonce);
     this._hasPassword = !!obj.hasPassword;
+    this.timeLimit = obj.timeLimit;
+  }
+
+  get hasPassword() {
+    return !!this._hasPassword;
+  }
+
+  get expired() {
+    return this.dlimit === this.dtotal || Date.now() > this.expiresAt;
   }
 
   async setPassword(password) {
@@ -38,19 +47,17 @@ export default class OwnedFile {
     return del(this.id, this.ownerToken);
   }
 
-  changeLimit(dlimit) {
+  changeLimit(dlimit, user = {}) {
     if (this.dlimit !== dlimit) {
       this.dlimit = dlimit;
-      return setParams(this.id, this.ownerToken, { dlimit });
+      return setParams(this.id, this.ownerToken, user.bearerToken, { dlimit });
     }
     return Promise.resolve(true);
   }
 
-  get hasPassword() {
-    return !!this._hasPassword;
-  }
-
   async updateDownloadCount() {
+    const oldTotal = this.dtotal;
+    const oldLimit = this.dlimit;
     try {
       const result = await fileInfo(this.id, this.ownerToken);
       this.dtotal = result.dtotal;
@@ -61,6 +68,7 @@ export default class OwnedFile {
       }
       // ignore other errors
     }
+    return oldTotal !== this.dtotal || oldLimit !== this.dlimit;
   }
 
   toJSON() {
@@ -69,7 +77,7 @@ export default class OwnedFile {
       url: this.url,
       name: this.name,
       size: this.size,
-      type: this.type,
+      manifest: this.manifest,
       time: this.time,
       speed: this.speed,
       createdAt: this.createdAt,
@@ -78,7 +86,8 @@ export default class OwnedFile {
       ownerToken: this.ownerToken,
       dlimit: this.dlimit,
       dtotal: this.dtotal,
-      hasPassword: this.hasPassword
+      hasPassword: this.hasPassword,
+      timeLimit: this.timeLimit
     };
   }
 }

app/pages/blank.js

@@ -1,5 +0,0 @@
-const html = require('choo/html');
-
-module.exports = function() {
-  return html`<div></div>`;
-};

app/pages/completed/index.js

@@ -1,26 +0,0 @@
-const html = require('choo/html');
-const progress = require('../../templates/progress');
-const { fadeOut } = require('../../utils');
-
-module.exports = function(state, emit) {
-  return html`
-    <div class="page effect--fadeIn">
-      <div class="title">
-        ${state.translate('downloadFinish')}
-      </div>
-      <div class="description"></div>
-      ${progress(1)}
-      <div class="progressSection">
-        <div class="progressSection__text"></div>
-      </div>
-      <a class="link link--action"
-        href="/"
-        onclick=${sendNew}>${state.translate('sendYourFilesLink')}</a>
-    </div>`;
-
-  async function sendNew(e) {
-    e.preventDefault();
-    await fadeOut('.page');
-    emit('pushState', '/');
-  }
-};

app/pages/download/index.js

@@ -1,42 +0,0 @@
-const html = require('choo/html');
-const progress = require('../../templates/progress');
-const { bytes } = require('../../utils');
-
-module.exports = function(state, emit) {
-  const transfer = state.transfer;
-  const cancelBtn = html`
-  <button
-    id="cancel"
-    class="btn btn--cancel"
-    title="${state.translate('deletePopupCancel')}"
-    onclick=${cancel}>
-    ${state.translate('deletePopupCancel')}
-  </button>`;
-
-  return html`
-    <div class="page effect--fadeIn">
-      <div class="title">
-        ${state.translate('downloadingPageProgress', {
-          filename: state.fileInfo.name,
-          size: bytes(state.fileInfo.size)
-        })}
-      </div>
-      <div class="description">
-        ${state.translate('downloadingPageMessage')}
-      </div>
-      ${progress(transfer.progressRatio, transfer.progressIndefinite)}
-      <div class="progressSection">
-        <div class="progressSection__text">
-          ${state.translate(transfer.msg, transfer.sizes)}
-        </div>
-        ${transfer.state === 'downloading' ? cancelBtn : null}
-      </div>
-    </div>
-  `;
-
-  function cancel() {
-    const btn = document.getElementById('cancel');
-    btn.remove();
-    emit('cancel');
-  }
-};

app/pages/error/index.js

@@ -1,10 +0,0 @@
-const html = require('choo/html');
-const assets = require('../../../common/assets');
-
-module.exports = function(state) {
-  return html`
-  <div class="page">
-    <div class="title">${state.translate('errorPageHeader')}</div>
-    <img src="${assets.get('illustration_error.svg')}"/>
-  </div>`;
-};

app/pages/legal.js

@@ -1,32 +0,0 @@
-const html = require('choo/html');
-const raw = require('choo/html/raw');
-
-module.exports = function(state) {
-  return html`
-    <div>
-      <div class="title">${state.translate('legalHeader')}</div>
-        ${raw(
-          replaceLinks(state.translate('legalNoticeTestPilot'), [
-            'https://testpilot.firefox.com/terms',
-            'https://testpilot.firefox.com/privacy',
-            'https://testpilot.firefox.com/experiments/send'
-          ])
-        )}
-        ${raw(
-          replaceLinks(state.translate('legalNoticeMozilla'), [
-            'https://www.mozilla.org/privacy/websites/',
-            'https://www.mozilla.org/about/legal/terms/mozilla/'
-          ])
-        )}
-    </div>
-  `;
-};
-
-function replaceLinks(str, urls) {
-  let i = 0;
-  const s = str.replace(
-    /<a>([^<]+)<\/a>/g,
-    (m, v) => `<a href="${urls[i++]}">${v}</a>`
-  );
-  return `<div class="description">${s}</div>`;
-}

app/pages/notFound/index.js

@@ -1,16 +0,0 @@
-const html = require('choo/html');
-const assets = require('../../../common/assets');
-
-module.exports = function(state) {
-  return html`
-    <div class="page">
-      <div class="title">${state.translate('expiredPageHeader')}</div>
-      <img src="${assets.get('illustration_expired.svg')}" id="expired-img">
-      <div class="description">
-        ${state.translate('uploadPageExplainer')}
-      </div>
-      <a class="link link--action" href="/">
-        ${state.translate('sendYourFilesLink')}
-      </a>
-    </div>`;
-};

app/pages/preview/index.js

@@ -1,40 +0,0 @@
-const html = require('choo/html');
-const assets = require('../../../common/assets');
-const { bytes } = require('../../utils');
-
-module.exports = function(state, pageAction) {
-  const fileInfo = state.fileInfo;
-
-  const size = fileInfo.size
-    ? state.translate('downloadFileSize', { size: bytes(fileInfo.size) })
-    : '';
-
-  const title = fileInfo.name
-    ? state.translate('downloadFileName', { filename: fileInfo.name })
-    : state.translate('downloadFileTitle');
-
-  const info = html`
-    <div id="dl-file"
-      data-nonce="${fileInfo.nonce}"
-      data-requires-password="${fileInfo.requiresPassword}"></div>`;
-  if (!pageAction) {
-    return info;
-  }
-  return html`
-    <div class="page">
-      <div class="title">
-        <span>${title}</span>
-        <span>${' ' + size}</span>
-      </div>
-      <div class="description">${state.translate('downloadMessage')}</div>
-      <img
-        src="${assets.get('illustration_download.svg')}"
-        title="${state.translate('downloadAltText')}"/>
-      ${pageAction}
-      <a class="link link--action" href="/">
-        ${state.translate('sendYourFilesLink')}
-      </a>
-      ${info}
-    </div>
-  `;
-};

app/pages/share/index.js

@@ -1,112 +0,0 @@
-/* global EXPIRE_SECONDS */
-const html = require('choo/html');
-const raw = require('choo/html/raw');
-const assets = require('../../../common/assets');
-const notFound = require('../notFound');
-const setPasswordSection = require('../../templates/setPasswordSection');
-const selectbox = require('../../templates/selectbox');
-const deletePopup = require('../../templates/popup');
-const { allowedCopy, delay, fadeOut } = require('../../utils');
-
-module.exports = function(state, emit) {
-  const file = state.storage.getFileById(state.params.id);
-  if (!file) {
-    return notFound(state, emit);
-  }
-
-  return html`
-  <div id="shareWrapper" class="effect--fadeIn">
-    ${expireInfo(file, state.translate, emit)}
-    <div class="sharePage">
-      <div class="sharePage__copyText">
-        ${state.translate('copyUrlFormLabelWithName', { filename: file.name })}
-      </div>
-      <div class="copySection">
-        <input
-          id="fileUrl"
-          class="copySection__url"
-          type="url"
-          value="${file.url}"
-          readonly="true"/>
-        <button id="copyBtn"
-          class="inputBtn inputBtn--copy"
-          title="${state.translate('copyUrlFormButton')}"
-          onclick=${copyLink}>${state.translate('copyUrlFormButton')}</button>
-      </div>
-      ${setPasswordSection(state, emit)}
-      <button
-        class="btn btn--delete"
-        title="${state.translate('deleteFileButton')}"
-        onclick=${showPopup}>${state.translate('deleteFileButton')}
-      </button>
-      <div class="sharePage__deletePopup">
-        ${deletePopup(
-          state.translate('deletePopupText'),
-          state.translate('deletePopupYes'),
-          state.translate('deletePopupCancel'),
-          deleteFile
-        )}
-      </div>
-      <a class="link link--action"
-        href="/"
-        onclick=${sendNew}>${state.translate('sendAnotherFileLink')}</a>
-    </div>
-  </div>
-  `;
-
-  function showPopup() {
-    const popup = document.querySelector('.popup');
-    popup.classList.add('popup--show');
-    popup.focus();
-  }
-
-  async function sendNew(e) {
-    e.preventDefault();
-    await fadeOut('#shareWrapper');
-    emit('pushState', '/');
-  }
-
-  async function copyLink() {
-    if (allowedCopy()) {
-      emit('copy', { url: file.url, location: 'success-screen' });
-      const input = document.getElementById('fileUrl');
-      input.disabled = true;
-      input.classList.add('input--copied');
-      const copyBtn = document.getElementById('copyBtn');
-      copyBtn.disabled = true;
-      copyBtn.classList.add('inputBtn--copied');
-      copyBtn.replaceChild(
-        html`<img src="${assets.get('check-16.svg')}" class="cursor--pointer">`,
-        copyBtn.firstChild
-      );
-      await delay(2000);
-      input.disabled = false;
-      input.classList.remove('input--copied');
-      copyBtn.disabled = false;
-      copyBtn.classList.remove('inputBtn--copied');
-      copyBtn.textContent = state.translate('copyUrlFormButton');
-    }
-  }
-
-  async function deleteFile() {
-    emit('delete', { file, location: 'success-screen' });
-    await fadeOut('#shareWrapper');
-    emit('pushState', '/');
-  }
-};
-
-function expireInfo(file, translate, emit) {
-  const hours = Math.floor(EXPIRE_SECONDS / 60 / 60);
-  const el = html`<div class="title">${raw(
-    translate('expireInfo', {
-      downloadCount: '<select></select>',
-      timespan: translate('timespanHours', { num: hours })
-    })
-  )}</div>`;
-  const select = el.querySelector('select');
-  const options = [1, 2, 3, 4, 5, 20].filter(i => i > (file.dtotal || 0));
-  const t = num => translate('downloadCount', { num });
-  const changed = value => emit('changeLimit', { file, value });
-  el.replaceChild(selectbox(file.dlimit || 1, options, t, changed), select);
-  return el;
-}

app/pages/share/share.css

@@ -1,112 +0,0 @@
-.sharePage {
-  margin: 0 auto;
-  display: flex;
-  justify-content: center;
-  flex-direction: column;
-  width: 100%;
-  max-width: 640px;
-}
-
-.sharePage__copyText {
-  align-self: flex-start;
-  margin-top: 60px;
-  margin-bottom: 10px;
-  color: var(--textColor);
-  max-width: 614px;
-  word-wrap: break-word;
-}
-
-.sharePage__deletePopup {
-  position: relative;
-  align-self: center;
-  bottom: 50px;
-}
-
-.copySection {
-  display: flex;
-  flex-wrap: nowrap;
-  width: 100%;
-}
-
-.copySection__url {
-  flex: 1;
-  height: 56px;
-  border: 1px solid var(--primaryControlBGColor);
-  border-radius: 6px 0 0 6px;
-  font-size: 20px;
-  color: var(--inputTextColor);
-  font-family: 'SF Pro Text', sans-serif;
-  letter-spacing: 0;
-  line-height: 23px;
-  font-weight: 300;
-  padding-left: 10px;
-}
-
-.copySection__url:disabled {
-  border: 1px solid var(--successControlBGColor);
-  background: var(--successControlFGColor);
-}
-
-.inputBtn--copy {
-  flex: 0 1 165px;
-  padding-bottom: 4px;
-}
-
-.input--copied {
-  border-color: var(--successControlBGColor);
-}
-
-.inputBtn--copied,
-.inputBtn--copied:hover {
-  background: var(--successControlBGColor);
-  border: 1px solid var(--successControlBGColor);
-  color: var(--successControlFGColor);
-}
-
-.btn--delete {
-  align-self: center;
-  width: 176px;
-  height: 44px;
-  background: #fff;
-  border-color: rgba(12, 12, 13, 0.3);
-  margin-top: 50px;
-  margin-bottom: 12px;
-  color: #313131;
-}
-
-.btn--delete:hover {
-  background: #efeff1;
-}
-
-@media (max-device-width: 768px), (max-width: 768px) {
-  .copySection {
-    width: 100%;
-  }
-
-  .copySection__url {
-    font-size: 18px;
-  }
-}
-
-@media (max-device-width: 520px), (max-width: 520px) {
-  .copySection {
-    width: 100%;
-    flex-direction: column;
-    padding-left: 0;
-  }
-
-  .copySection__url {
-    font-size: 22px;
-    padding: 15px 10px;
-    border-radius: 6px 6px 0 0;
-  }
-
-  .sharePage__copyText {
-    text-align: center;
-  }
-
-  .inputBtn--copy {
-    border-radius: 0 0 6px 6px;
-    flex: 0 1 65px;
-  }
-}

app/pages/unsupported/index.js

@@ -1,67 +0,0 @@
-const html = require('choo/html');
-const assets = require('../../../common/assets');
-
-module.exports = function(state) {
-  let strings = {};
-  let why = '';
-  let url = '';
-  let buttonAction = '';
-  if (state.params.reason !== 'outdated') {
-    strings = unsupportedStrings(state);
-    why = html`
-      <div class="description">
-        <a href="https://github.com/mozilla/send/blob/master/docs/faq.md#why-is-my-browser-not-supported">
-          ${state.translate('notSupportedLink')}
-        </a>
-      </div>`;
-    url =
-      'https://www.mozilla.org/firefox/new/?utm_campaign=send-acquisition&utm_medium=referral&utm_source=send.firefox.com';
-    buttonAction = html`
-      <div class="firefoxDownload__action">
-        Firefox<br><span class="firefoxDownload__text">${strings.button}</span>
-      </div>`;
-  } else {
-    strings = outdatedStrings(state);
-    url = 'https://support.mozilla.org/kb/update-firefox-latest-version';
-    buttonAction = html`
-      <div class="firefoxDownload__action">
-        ${strings.button}
-      </div>`;
-  }
-  return html`
-    <div class="unsupportedPage">
-      <div class="title">${strings.title}</div>
-      <div class="description">
-        ${strings.description}
-      </div>
-      ${why}
-      <a href="${url}" class="firefoxDownload">
-        <img
-          src="${assets.get('firefox_logo-only.svg')}"
-          class="firefoxDownload__logo"
-          alt="Firefox"/>
-        ${buttonAction}
-      </a>
-      <div class="unsupportedPage__info">
-        ${strings.explainer}
-      </div>
-    </div>`;
-};
-
-function outdatedStrings(state) {
-  return {
-    title: state.translate('notSupportedHeader'),
-    description: state.translate('notSupportedOutdatedDetail'),
-    button: state.translate('updateFirefox'),
-    explainer: state.translate('uploadPageExplainer')
-  };
-}
-
-function unsupportedStrings(state) {
-  return {
-    title: state.translate('notSupportedHeader'),
-    description: state.translate('notSupportedDetail'),
-    button: state.translate('downloadFirefoxButtonSub'),
-    explainer: state.translate('uploadPageExplainer')
-  };
-}

app/pages/unsupported/unsupported.css

@@ -1,49 +0,0 @@
-.unsupportedPage {
-  display: flex;
-  justify-content: center;
-  align-items: center;
-  flex-direction: column;
-}
-
-.unsupportedPage__info {
-  font-size: 13px;
-  line-height: 23px;
-  text-align: center;
-  color: var(--lightTextColor);
-  margin: 0 auto 23px;
-}
-
-.firefoxDownload {
-  margin-bottom: 181px;
-  height: 80px;
-  background: #98e02b;
-  border-radius: 3px;
-  cursor: pointer;
-  border: 0;
-  box-shadow: 0 5px 3px rgb(234, 234, 234);
-  font-family: 'Fira Sans', 'segoe ui', sans-serif;
-  font-weight: 500;
-  color: var(--primaryControlFGColor);
-  font-size: 26px;
-  display: flex;
-  justify-content: center;
-  align-items: center;
-  line-height: 1;
-  padding: 0 25px;
-}
-
-.firefoxDownload__logo {
-  width: 70px;
-}
-
-.firefoxDownload__action {
-  text-align: left;
-  margin-left: 20.4px;
-}
-
-.firefoxDownload__text {
-  font-family: 'Fira Sans', 'segoe ui', sans-serif;
-  font-weight: 300;
-  font-size: 18px;
-  letter-spacing: -0.69px;
-}

app/pages/upload/index.js

@@ -1,39 +0,0 @@
-const html = require('choo/html');
-const progress = require('../../templates/progress');
-const { bytes } = require('../../utils');
-
-module.exports = function(state, emit) {
-  const transfer = state.transfer;
-
-  return html`
-  <div class="page effect--fadeIn">
-    <div class="title">
-      ${state.translate('uploadingPageProgress', {
-        filename: transfer.file.name,
-        size: bytes(transfer.file.size)
-      })}
-    </div>
-    <div class="description"></div>
-    ${progress(transfer.progressRatio, transfer.progressIndefinite)}
-    <div class="progressSection">
-      <div class="progressSection__text">
-        ${state.translate(transfer.msg, transfer.sizes)}
-      </div>
-      <button
-        id="cancel-upload"
-        class="btn btn--cancel"
-        title="${state.translate('uploadingPageCancel')}"
-        onclick=${cancel}>
-        ${state.translate('uploadingPageCancel')}
-      </button>
-    </div>
-  </div>
-  `;
-
-  function cancel() {
-    const btn = document.getElementById('cancel-upload');
-    btn.disabled = true;
-    btn.textContent = state.translate('uploadCancelNotification');
-    emit('cancel');
-  }
-};

app/pages/welcome/index.js

@@ -1,84 +0,0 @@
-/* global MAXFILESIZE */
-const html = require('choo/html');
-const assets = require('../../../common/assets');
-const fileList = require('../../templates/fileList');
-const { bytes, fadeOut } = require('../../utils');
-
-module.exports = function(state, emit) {
-  // the page flickers if both the server and browser set 'effect--fadeIn'
-  const fade = state.layout ? '' : 'effect--fadeIn';
-  return html`
-  <div id="page-one" class="${fade}">
-    <div class="title">${state.translate('uploadPageHeader')}</div>
-    <div class="description">
-      <div>${state.translate('uploadPageExplainer')}</div>
-      <a
-        href="https://testpilot.firefox.com/experiments/send"
-        class="link">
-        ${state.translate('uploadPageLearnMore')}
-      </a>
-    </div>
-    <div class="uploadArea"
-      ondragover=${dragover}
-      ondragleave=${dragleave}>
-      <img
-        src="${assets.get('upload.svg')}"
-        title="${state.translate('uploadSvgAlt')}"/>
-      <div class="uploadArea__msg">
-        ${state.translate('uploadPageDropMessage')}
-      </div>
-      <span class="uploadArea__sizeMsg">
-        ${state.translate('uploadPageSizeMessage')}
-      </span>
-      <input id="file-upload"
-        class="inputFile"
-        type="file"
-        name="fileUploaded"
-        onfocus=${onfocus}
-        onblur=${onblur}
-        onchange=${upload} />
-      <label for="file-upload"
-        class="btn btn--file"
-        title="${state.translate('uploadPageBrowseButton1')}">
-        ${state.translate('uploadPageBrowseButton1')}
-      </label>
-    </div>
-    ${fileList(state, emit)}
-  </div>
-  `;
-
-  function dragover(event) {
-    const div = document.querySelector('.uploadArea');
-    div.classList.add('uploadArea--dragging');
-  }
-
-  function dragleave(event) {
-    const div = document.querySelector('.uploadArea');
-    div.classList.remove('uploadArea--dragging');
-  }
-
-  function onfocus(event) {
-    event.target.classList.add('inputFile--focused');
-  }
-
-  function onblur(event) {
-    event.target.classList.remove('inputFile--focused');
-  }
-
-  async function upload(event) {
-    event.preventDefault();
-    const target = event.target;
-    const file = target.files[0];
-    if (file.size === 0) {
-      return;
-    }
-    if (file.size > MAXFILESIZE) {
-      // eslint-disable-next-line no-alert
-      alert(state.translate('fileTooBig', { size: bytes(MAXFILESIZE) }));
-      return;
-    }
-
-    await fadeOut('#page-one');
-    emit('upload', { file, type: 'click' });
-  }
-};

app/pages/welcome/welcome.css

@@ -1,65 +0,0 @@
-.uploadArea {
-  border: 3px dashed rgba(0, 148, 251, 0.5);
-  margin: 0 auto 10px;
-  height: 255px;
-  border-radius: 4px;
-  display: flex;
-  justify-content: center;
-  align-items: center;
-  flex-direction: column;
-  text-align: center;
-  transition: transform 150ms;
-  padding: 15px;
-}
-
-.uploadArea__msg {
-  font-size: 22px;
-  color: var(--lightTextColor);
-  margin: 20px 0 10px;
-  font-family: 'SF Pro Text', sans-serif;
-}
-
-.uploadArea__sizeMsg {
-  font-style: italic;
-  font-size: 12px;
-  line-height: 16px;
-  color: var(--lightTextColor);
-  margin-bottom: 22px;
-}
-
-.uploadArea--dragging {
-  border: 5px dashed rgba(0, 148, 251, 0.5);
-  height: 251px;
-  transform: scale(1.04);
-  border-radius: 4.2px;
-  display: flex;
-  justify-content: center;
-  align-items: center;
-  flex-direction: column;
-  text-align: center;
-}
-
-.uploadArea--dragging * {
-  pointer-events: none;
-}
-
-.btn--file {
-  font-size: 20px;
-  min-width: 240px;
-  height: 60px;
-  display: flex;
-  justify-content: center;
-  align-items: center;
-  padding: 0 10px;
-}
-
-.inputFile {
-  opacity: 0;
-  position: absolute;
-}
-
-.inputFile--focused + .btn--file {
-  background-color: var(--primaryControlHoverColor);
-  outline: 1px dotted #000;
-  outline: -webkit-focus-ring-color auto 5px;
-}

app/pasteManager.js

@@ -1,25 +1,36 @@
-/* global MAXFILESIZE */
+function getString(item) {
-import { bytes } from './utils';
+  return new Promise(resolve => {
+    item.getAsString(resolve);
+  });
+}
 
 export default function(state, emitter) {
-  window.addEventListener('paste', event => {
+  window.addEventListener('paste', async event => {
     if (state.route !== '/' || state.uploading) return;
+    if (['password', 'text'].includes(event.target.type)) return;
 
-    for (const item of event.clipboardData.items) {
+    const items = Array.from(event.clipboardData.items);
-      if (!item.type.includes('image')) continue;
+    const transferFiles = items.filter(item => item.kind === 'file');
-
+    const strings = items.filter(item => item.kind === 'string');
-      const file = item.getAsFile();
+    if (transferFiles.length) {
-
+      const promises = transferFiles.map(async (f, i) => {
-      if (!file) continue; // Sometimes null
+        const blob = f.getAsFile();
-
+        if (!blob) {
-      if (file.size > MAXFILESIZE) {
+          return null;
-        // eslint-disable-next-line no-alert
-        alert(state.translate('fileTooBig', { size: bytes(MAXFILESIZE) }));
-        continue;
         }
-
+        const name = await getString(strings[i]);
-      emitter.emit('upload', { file, type: 'paste' });
+        const file = new File([blob], name, { type: blob.type });
-      return; // return here since only one file is allowed to be uploaded at a time
+        return file;
+      });
+      const files = (await Promise.all(promises)).filter(f => !!f);
+      if (files.length) {
+        emitter.emit('addFiles', { files });
+      }
+    } else if (strings.length) {
+      strings[0].getAsString(s => {
+        const file = new File([s], 'pasted.txt', { type: 'text/plain' });
+        emitter.emit('addFiles', { files: [file] });
+      });
     }
   });
 }

app/routes.js

@@ -0,0 +1,18 @@
+const choo = require('choo');
+const download = require('./ui/download');
+const body = require('./ui/body');
+
+module.exports = function(app = choo()) {
+  app.route('/', body(require('./ui/home')));
+  app.route('/download/:id', body(download));
+  app.route('/download/:id/:key', body(download));
+  app.route('/unsupported/:reason', body(require('./ui/unsupported')));
+  app.route('/legal', body(require('./ui/legal')));
+  app.route('/error', body(require('./ui/error')));
+  app.route('/blank', body(require('./ui/blank')));
+  app.route('/oauth', function(state, emit) {
+    emit('authenticate', state.query.code, state.query.state);
+  });
+  app.route('*', body(require('./ui/notFound')));
+  return app;
+};

app/routes/download.js

@@ -1,60 +0,0 @@
-const preview = require('../pages/preview');
-const download = require('../pages/download');
-const notFound = require('../pages/notFound');
-const downloadPassword = require('../templates/downloadPassword');
-const downloadButton = require('../templates/downloadButton');
-
-function hasFileInfo() {
-  return !!document.getElementById('dl-file');
-}
-
-function getFileInfoFromDOM() {
-  const el = document.getElementById('dl-file');
-  if (!el) {
-    return null;
-  }
-  return {
-    nonce: el.getAttribute('data-nonce'),
-    requiresPassword: !!+el.getAttribute('data-requires-password')
-  };
-}
-
-function createFileInfo(state) {
-  const metadata = getFileInfoFromDOM();
-  return {
-    id: state.params.id,
-    secretKey: state.params.key,
-    nonce: metadata.nonce,
-    requiresPassword: metadata.requiresPassword
-  };
-}
-
-module.exports = function(state, emit) {
-  if (!state.fileInfo) {
-    // This is a fresh page load
-    // We need to parse the file info from the server's html
-    if (!hasFileInfo()) {
-      return notFound(state, emit);
-    }
-    state.fileInfo = createFileInfo(state);
-
-    if (!state.fileInfo.requiresPassword) {
-      emit('getMetadata');
-    }
-  }
-
-  let pageAction = null; //default state: we don't have file metadata
-  if (state.transfer) {
-    const s = state.transfer.state;
-    if (['downloading', 'decrypting', 'complete'].indexOf(s) > -1) {
-      // Downloading is in progress
-      return download(state, emit);
-    }
-    // we have file metadata
-    pageAction = downloadButton(state, emit);
-  } else if (state.fileInfo.requiresPassword && !state.fileInfo.password) {
-    // we're waiting on the user for a valid password
-    pageAction = downloadPassword(state, emit);
-  }
-  return preview(state, pageAction);
-};

app/routes/home.js

@@ -1,9 +0,0 @@
-const welcome = require('../pages/welcome');
-const upload = require('../pages/upload');
-
-module.exports = function(state, emit) {
-  if (state.uploading) {
-    return upload(state, emit);
-  }
-  return welcome(state, emit);
-};

app/routes/index.js

@@ -1,58 +0,0 @@
-const choo = require('choo');
-const html = require('choo/html');
-const nanotiming = require('nanotiming');
-const download = require('./download');
-const header = require('../templates/header');
-const footer = require('../templates/footer');
-const fxPromo = require('../templates/fxPromo');
-
-nanotiming.disabled = true;
-const app = choo();
-
-function banner(state, emit) {
-  if (state.promo && !state.route.startsWith('/unsupported/')) {
-    return fxPromo(state, emit);
-  }
-}
-
-function body(template) {
-  return function(state, emit) {
-    const b = html`<body>
-      ${banner(state, emit)}
-      ${header(state)}
-      <main class="main">
-        <noscript>
-          <div class="noscript">
-            <h2>${state.translate('javascriptRequired')}</h2>
-            <p>
-              <a class="link" href="https://github.com/mozilla/send/blob/master/docs/faq.md#why-does-firefox-send-require-javascript">
-              ${state.translate('whyJavascript')}
-              </a>
-            </p>
-            <p>${state.translate('enableJavascript')}</p>
-          </div>
-        </noscript>
-        ${template(state, emit)}
-      </main>
-      ${footer(state)}
-    </body>`;
-    if (state.layout) {
-      // server side only
-      return state.layout(state, b);
-    }
-    return b;
-  };
-}
-
-app.route('/', body(require('./home')));
-app.route('/share/:id', body(require('../pages/share')));
-app.route('/download/:id', body(download));
-app.route('/download/:id/:key', body(download));
-app.route('/completed', body(require('../pages/completed')));
-app.route('/unsupported/:reason', body(require('../pages/unsupported')));
-app.route('/legal', body(require('../pages/legal')));
-app.route('/error', body(require('../pages/error')));
-app.route('/blank', body(require('../pages/blank')));
-app.route('*', body(require('../pages/notFound')));
-
-module.exports = app;

app/serviceWorker.js

@@ -0,0 +1,161 @@
+import assets from '../common/assets';
+import { version } from '../package.json';
+import Keychain from './keychain';
+import { downloadStream } from './api';
+import { transformStream } from './streams';
+import Zip from './zip';
+import contentDisposition from 'content-disposition';
+
+let noSave = false;
+const map = new Map();
+const IMAGES = /.*\.(png|svg|jpg)$/;
+const VERSIONED_ASSET = /\.[A-Fa-f0-9]{8}\.(js|css|png|svg|jpg)$/;
+const DOWNLOAD_URL = /\/api\/download\/([A-Fa-f0-9]{4,})/;
+
+self.addEventListener('install', event => {
+  event.waitUntil(precache());
+});
+
+self.addEventListener('activate', event => {
+  event.waitUntil(self.clients.claim());
+});
+
+async function decryptStream(id) {
+  const file = map.get(id);
+  if (!file) {
+    return new Response(null, { status: 400 });
+  }
+  try {
+    let size = file.size;
+    let type = file.type;
+    const keychain = new Keychain(file.key, file.nonce);
+    if (file.requiresPassword) {
+      keychain.setPassword(file.password, file.url);
+    }
+
+    file.download = downloadStream(id, keychain);
+
+    const body = await file.download.result;
+
+    const decrypted = keychain.decryptStream(body);
+
+    let zipStream = null;
+    if (file.type === 'send-archive') {
+      const zip = new Zip(file.manifest, decrypted);
+      zipStream = zip.stream;
+      type = 'application/zip';
+      size = zip.size;
+    }
+    const responseStream = transformStream(
+      zipStream || decrypted,
+      {
+        transform(chunk, controller) {
+          file.progress += chunk.length;
+          controller.enqueue(chunk);
+        }
+      },
+      function oncancel() {
+        // NOTE: cancel doesn't currently fire on chrome
+        // https://bugs.chromium.org/p/chromium/issues/detail?id=638494
+        file.download.cancel();
+        map.delete(id);
+      }
+    );
+
+    const headers = {
+      'Content-Disposition': contentDisposition(file.filename),
+      'Content-Type': type,
+      'Content-Length': size
+    };
+    return new Response(responseStream, { headers });
+  } catch (e) {
+    if (noSave) {
+      return new Response(null, { status: e.message });
+    }
+
+    return new Response(null, {
+      status: 302,
+      headers: {
+        Location: `/download/${id}/#${file.key}`
+      }
+    });
+  }
+}
+
+async function precache() {
+  const oldCaches = await caches.keys();
+  for (const c of oldCaches) {
+    if (c !== version) {
+      await caches.delete(c);
+    }
+  }
+  const cache = await caches.open(version);
+  const images = assets.match(IMAGES);
+  await cache.addAll(images);
+  return self.skipWaiting();
+}
+
+async function cachedOrFetched(req) {
+  const cache = await caches.open(version);
+  const cached = await cache.match(req);
+  if (cached) {
+    return cached;
+  }
+  const fetched = await fetch(req);
+  if (fetched.ok && VERSIONED_ASSET.test(req.url)) {
+    cache.put(req, fetched.clone());
+  }
+  return fetched;
+}
+
+self.onfetch = event => {
+  const req = event.request;
+  if (req.method !== 'GET') return;
+  const url = new URL(req.url);
+  const dlmatch = DOWNLOAD_URL.exec(url.pathname);
+  if (dlmatch) {
+    event.respondWith(decryptStream(dlmatch[1]));
+  } else if (VERSIONED_ASSET.test(url.pathname)) {
+    event.respondWith(cachedOrFetched(req));
+  }
+};
+
+self.onmessage = event => {
+  if (event.data.request === 'init') {
+    noSave = event.data.noSave;
+    const info = {
+      key: event.data.key,
+      nonce: event.data.nonce,
+      filename: event.data.filename,
+      requiresPassword: event.data.requiresPassword,
+      password: event.data.password,
+      url: event.data.url,
+      type: event.data.type,
+      manifest: event.data.manifest,
+      size: event.data.size,
+      progress: 0
+    };
+    map.set(event.data.id, info);
+
+    event.ports[0].postMessage('file info received');
+  } else if (event.data.request === 'progress') {
+    const file = map.get(event.data.id);
+    if (!file) {
+      event.ports[0].postMessage({ error: 'cancelled' });
+    } else {
+      if (file.progress === file.size) {
+        map.delete(event.data.id);
+      }
+      event.ports[0].postMessage({ progress: file.progress });
+    }
+  } else if (event.data.request === 'cancel') {
+    const file = map.get(event.data.id);
+    if (file) {
+      if (file.download) {
+        file.download.cancel();
+      }
+      map.delete(event.data.id);
+    }
+    event.ports[0].postMessage('download cancelled');
+  }
+};

app/storage.js

@@ -1,4 +1,4 @@
-import { isFile } from './utils';
+import { arrayToB64, isFile } from './utils';
 import OwnedFile from './ownedFile';
 
 class Mem {
@@ -38,7 +38,7 @@ class Storage {
   }
 
   loadFiles() {
-    const fs = [];
+    const fs = new Map();
     for (let i = 0; i < this.engine.length; i++) {
       const k = this.engine.key(i);
       if (isFile(k)) {
@@ -47,14 +47,24 @@ class Storage {
           if (!f.id) {
             f.id = f.fileId;
           }
-          fs.push(f);
+
+          fs.set(f.id, f);
         } catch (err) {
           // obviously you're not a golfer
           this.engine.removeItem(k);
         }
       }
     }
-    return fs.sort((a, b) => a.createdAt - b.createdAt);
+    return fs;
+  }
+
+  get id() {
+    let id = this.engine.getItem('device_id');
+    if (!id) {
+      id = arrayToB64(crypto.getRandomValues(new Uint8Array(16)));
+      this.engine.setItem('device_id', id);
+    }
+    return id;
   }
 
   get totalDownloads() {
@@ -89,26 +99,44 @@ class Storage {
   }
 
   get files() {
-    return this._files;
+    return Array.from(this._files.values()).sort(
+      (a, b) => a.createdAt - b.createdAt
+    );
+  }
+
+  get user() {
+    try {
+      return JSON.parse(this.engine.getItem('user'));
+    } catch (e) {
+      return null;
+    }
+  }
+
+  set user(info) {
+    return this.engine.setItem('user', JSON.stringify(info));
   }
 
   getFileById(id) {
-    return this._files.find(f => f.id === id);
+    return this._files.get(id);
   }
 
   get(id) {
     return this.engine.getItem(id);
   }
 
+  set(id, value) {
+    return this.engine.setItem(id, value);
+  }
+
   remove(property) {
     if (isFile(property)) {
-      this._files.splice(this._files.findIndex(f => f.id === property), 1);
+      this._files.delete(property);
     }
     this.engine.removeItem(property);
   }
 
   addFile(file) {
-    this._files.push(file);
+    this._files.set(file.id, file);
     this.writeFile(file);
   }
 
@@ -119,6 +147,42 @@ class Storage {
   writeFiles() {
     this._files.forEach(f => this.writeFile(f));
   }
+
+  clearLocalFiles() {
+    this._files.forEach(f => this.engine.removeItem(f.id));
+    this._files = new Map();
+  }
+
+  async merge(files = []) {
+    let incoming = false;
+    let outgoing = false;
+    let downloadCount = false;
+    for (const f of files) {
+      if (!this.getFileById(f.id)) {
+        this.addFile(new OwnedFile(f));
+        incoming = true;
+      }
+    }
+    const workingFiles = this.files.slice();
+    for (const f of workingFiles) {
+      const cc = await f.updateDownloadCount();
+      if (cc) {
+        await this.writeFile(f);
+      }
+      downloadCount = downloadCount || cc;
+      outgoing = outgoing || f.expired;
+      if (f.expired) {
+        this.remove(f.id);
+      } else if (!files.find(x => x.id === f.id)) {
+        outgoing = true;
+      }
+    }
+    return {
+      incoming,
+      outgoing,
+      downloadCount
+    };
+  }
 }
 
 export default new Storage();

app/streams.js

@@ -0,0 +1,103 @@
+/* global ReadableStream TransformStream */
+
+export function transformStream(readable, transformer, oncancel) {
+  try {
+    return readable.pipeThrough(new TransformStream(transformer));
+  } catch (e) {
+    const reader = readable.getReader();
+    return new ReadableStream({
+      start(controller) {
+        if (transformer.start) {
+          return transformer.start(controller);
+        }
+      },
+      async pull(controller) {
+        let enqueued = false;
+        const wrappedController = {
+          enqueue(d) {
+            enqueued = true;
+            controller.enqueue(d);
+          }
+        };
+        while (!enqueued) {
+          const data = await reader.read();
+          if (data.done) {
+            if (transformer.flush) {
+              await transformer.flush(controller);
+            }
+            return controller.close();
+          }
+          await transformer.transform(data.value, wrappedController);
+        }
+      },
+      cancel(reason) {
+        readable.cancel(reason);
+        if (oncancel) {
+          oncancel(reason);
+        }
+      }
+    });
+  }
+}
+
+class BlobStreamController {
+  constructor(blob, size) {
+    this.blob = blob;
+    this.index = 0;
+    this.chunkSize = size || 1024 * 64;
+  }
+
+  pull(controller) {
+    return new Promise((resolve, reject) => {
+      const bytesLeft = this.blob.size - this.index;
+      if (bytesLeft <= 0) {
+        controller.close();
+        return resolve();
+      }
+      const size = Math.min(this.chunkSize, bytesLeft);
+      const slice = this.blob.slice(this.index, this.index + size);
+      const reader = new FileReader();
+      reader.onload = () => {
+        controller.enqueue(new Uint8Array(reader.result));
+        resolve();
+      };
+      reader.onerror = reject;
+      reader.readAsArrayBuffer(slice);
+      this.index += size;
+    });
+  }
+}
+
+export function blobStream(blob, size) {
+  return new ReadableStream(new BlobStreamController(blob, size));
+}
+
+class ConcatStreamController {
+  constructor(streams) {
+    this.streams = streams;
+    this.index = 0;
+    this.reader = null;
+    this.nextReader();
+  }
+
+  nextReader() {
+    const next = this.streams[this.index++];
+    this.reader = next && next.getReader();
+  }
+
+  async pull(controller) {
+    if (!this.reader) {
+      return controller.close();
+    }
+    const data = await this.reader.read();
+    if (data.done) {
+      this.nextReader();
+      return this.pull(controller);
+    }
+    controller.enqueue(data.value);
+  }
+}
+
+export function concatStream(streams) {
+  return new ReadableStream(new ConcatStreamController(streams));
+}

app/templates/downloadButton/downloadButton.css

@@ -1,6 +0,0 @@
-.btn--download {
-  width: 180px;
-  height: 44px;
-  margin-top: 20px;
-  margin-bottom: 30px;
-}

app/templates/downloadButton/index.js

@@ -1,13 +0,0 @@
-const html = require('choo/html');
-
-module.exports = function(state, emit) {
-  return html`
-    <button class="btn btn--download"
-      onclick=${download}>${state.translate('downloadButtonLabel')}
-    </button>`;
-
-  function download(event) {
-    event.preventDefault();
-    emit('download', state.fileInfo);
-  }
-};

app/templates/downloadPassword/downloadPassword.css

@@ -1,22 +0,0 @@
-.passwordSection {
-  text-align: left;
-  padding: 40px 0;
-  width: 80%;
-}
-
-.passwordForm {
-  display: flex;
-  flex-wrap: nowrap;
-  width: 100%;
-  padding: 10px 0;
-}
-
-@media (max-device-width: 520px), (max-width: 520px) {
-  .passwordSection {
-    width: 100%;
-  }
-
-  .passwordForm {
-    flex-direction: column;
-  }
-}