Auto logout after specific time (#6558)

* Add i18n strings

* Finish Auto timeout

* Fix linter

* Fix copies

* Add unit test to Advanced Tab component

* Add back actions and container

* Add basic test to ensure container completeness

* No zero, fix linters

* restrict negative in input

9 files changed, 188 insertions, 6 deletions

diff --git a/app/_locales/en/messages.json b/app/_locales/en/messages.json
index 184507cbb..7a5f9297c 100644
--- a/app/_locales/en/messages.json
+++ b/app/_locales/en/messages.json
@@ -154,6 +154,12 @@
   "attributions": {
     "message": "Attributions"
   },
+  "autoLogoutTimeLimit": {
+    "message": "Auto-Logout Timer (minutes)"
+  },
+  "autoLogoutTimeLimitDescription": {
+    "message": "Set the number of idle time in minutes before Metamask automatically log out"
+  },
   "available": {
     "message": "Available"
   },
diff --git a/package-lock.json b/package-lock.json
index de174b789..e26c37150 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -32939,6 +32939,11 @@
         "react-icon-base": "2.1.0"
       }
     },
+    "react-idle-timer": {
+      "version": "4.2.5",
+      "resolved": "https://registry.npmjs.org/react-idle-timer/-/react-idle-timer-4.2.5.tgz",
+      "integrity": "sha512-8B/OwjG8E/DTx1fHYKTpZ4cnCbL9+LOc5I9t8SYe8tbEkP14KChiYg0xPIuyRpO33wUZHcgmQl93CVePaDhmRA=="
+    },
     "react-input-autosize": {
       "version": "2.1.2",
       "resolved": "https://registry.npmjs.org/react-input-autosize/-/react-input-autosize-2.1.2.tgz",
diff --git a/package.json b/package.json
index 0ab366c17..8d9da397d 100644
--- a/package.json
+++ b/package.json
@@ -155,6 +155,7 @@
     "react-dnd-html5-backend": "^7.4.4",
     "react-dom": "^15.6.2",
     "react-hyperscript": "^3.0.0",
+    "react-idle-timer": "^4.2.5",
     "react-inspector": "^2.3.0",
     "react-markdown": "^3.0.0",
     "react-media": "^1.8.0",
diff --git a/ui/app/pages/routes/index.js b/ui/app/pages/routes/index.js
index e38a6d6ce..7ff741405 100644
--- a/ui/app/pages/routes/index.js
+++ b/ui/app/pages/routes/index.js
@@ -3,9 +3,10 @@ import PropTypes from 'prop-types'
 import { connect } from 'react-redux'
 import { Route, Switch, withRouter, matchPath } from 'react-router-dom'
 import { compose } from 'recompose'
-import actions from '../../store/actions'
+import actions, {hideSidebar, hideWarning, lockMetamask} from '../../store/actions'
 import log from 'loglevel'
-import { getMetaMaskAccounts, getNetworkIdentifier } from '../../selectors/selectors'
+import IdleTimer from 'react-idle-timer'
+import {getMetaMaskAccounts, getNetworkIdentifier, preferencesSelector} from '../../selectors/selectors'
 
 // init
 import FirstTimeFlow from '../first-time-flow'
@@ -98,7 +99,9 @@ class Routes extends Component {
   }
 
   renderRoutes () {
-    return (
+    const { autoLogoutTimeLimit, lockMetamask } = this.props
+
+    const routes = (
       <Switch>
         <Route path={LOCK_ROUTE} component={Lock} exact />
         <Route path={INITIALIZE_ROUTE} component={FirstTimeFlow} />
@@ -116,6 +119,19 @@ class Routes extends Component {
         <Authenticated path={DEFAULT_ROUTE} component={Home} exact />
       </Switch>
     )
+
+    if (autoLogoutTimeLimit > 0) {
+      return (
+        <IdleTimer
+          onIdle={lockMetamask}
+          timeout={autoLogoutTimeLimit * 1000 * 60}
+        >
+          {routes}
+        </IdleTimer>
+      )
+    }
+
+    return routes
   }
 
   onInitializationUnlockPage () {
@@ -322,6 +338,7 @@ Routes.propTypes = {
   networkDropdownOpen: PropTypes.bool,
   showNetworkDropdown: PropTypes.func,
   hideNetworkDropdown: PropTypes.func,
+  lockMetamask: PropTypes.func,
   history: PropTypes.object,
   location: PropTypes.object,
   dispatch: PropTypes.func,
@@ -344,6 +361,7 @@ Routes.propTypes = {
   t: PropTypes.func,
   providerId: PropTypes.string,
   providerRequests: PropTypes.array,
+  autoLogoutTimeLimit: PropTypes.number,
 }
 
 function mapStateToProps (state) {
@@ -358,6 +376,7 @@ function mapStateToProps (state) {
   } = appState
 
   const accounts = getMetaMaskAccounts(state)
+  const { autoLogoutTimeLimit = 0 } = preferencesSelector(state)
 
   const {
     identities,
@@ -409,6 +428,7 @@ function mapStateToProps (state) {
     Qr: state.appState.Qr,
     welcomeScreenSeen: state.metamask.welcomeScreenSeen,
     providerId: getNetworkIdentifier(state),
+    autoLogoutTimeLimit,
 
     // state needed to get account dropdown temporarily rendering from app bar
     identities,
@@ -427,6 +447,11 @@ function mapDispatchToProps (dispatch, ownProps) {
     setCurrentCurrencyToUSD: () => dispatch(actions.setCurrentCurrency('usd')),
     toggleAccountMenu: () => dispatch(actions.toggleAccountMenu()),
     setMouseUserState: (isMouseUser) => dispatch(actions.setMouseUserState(isMouseUser)),
+    lockMetamask: () => {
+      dispatch(lockMetamask())
+      dispatch(hideWarning())
+      dispatch(hideSidebar())
+    },
   }
 }
 
diff --git a/ui/app/pages/settings/advanced-tab/advanced-tab.component.js b/ui/app/pages/settings/advanced-tab/advanced-tab.component.js
index 14b9daae6..8d70cd2df 100644
--- a/ui/app/pages/settings/advanced-tab/advanced-tab.component.js
+++ b/ui/app/pages/settings/advanced-tab/advanced-tab.component.js
@@ -24,6 +24,8 @@ export default class AdvancedTab extends PureComponent {
     setAdvancedInlineGasFeatureFlag: PropTypes.func,
     advancedInlineGas: PropTypes.bool,
     showFiatInTestnets: PropTypes.bool,
+    autoLogoutTimeLimit: PropTypes.number,
+    setAutoLogoutTimeLimit: PropTypes.func.isRequired,
     setShowFiatConversionOnTestnetsPreference: PropTypes.func.isRequired,
   }
 
@@ -355,6 +357,48 @@ export default class AdvancedTab extends PureComponent {
     )
   }
 
+  renderAutoLogoutTimeLimit () {
+    const { t } = this.context
+    const {
+      autoLogoutTimeLimit,
+      setAutoLogoutTimeLimit,
+    } = this.props
+
+    return (
+      <div className="settings-page__content-row">
+        <div className="settings-page__content-item">
+          <span>{ t('autoLogoutTimeLimit') }</span>
+          <div className="settings-page__content-description">
+            { t('autoLogoutTimeLimitDescription') }
+          </div>
+        </div>
+        <div className="settings-page__content-item">
+          <div className="settings-page__content-item-col">
+            <TextField
+              type="number"
+              id="autoTimeout"
+              placeholder="5"
+              value={this.state.autoLogoutTimeLimit}
+              defaultValue={autoLogoutTimeLimit}
+              onChange={e => this.setState({ autoLogoutTimeLimit: Math.max(Number(e.target.value), 0) })}
+              fullWidth
+              margin="dense"
+              min={0}
+            />
+            <button
+              className="button btn-primary settings-tab__rpc-save-button"
+              onClick={() => {
+                setAutoLogoutTimeLimit(this.state.autoLogoutTimeLimit)
+              }}
+            >
+              { t('save') }
+            </button>
+          </div>
+        </div>
+      </div>
+    )
+  }
+
   renderContent () {
     const { warning } = this.props
 
@@ -368,6 +412,7 @@ export default class AdvancedTab extends PureComponent {
         { this.renderAdvancedGasInputInline() }
         { this.renderHexDataOptIn() }
         { this.renderShowConversionInTestnets() }
+        { this.renderAutoLogoutTimeLimit() }
       </div>
     )
   }
diff --git a/ui/app/pages/settings/advanced-tab/advanced-tab.container.js b/ui/app/pages/settings/advanced-tab/advanced-tab.container.js
index 69d7e07e6..bcac55f5e 100644
--- a/ui/app/pages/settings/advanced-tab/advanced-tab.container.js
+++ b/ui/app/pages/settings/advanced-tab/advanced-tab.container.js
@@ -8,10 +8,11 @@ import {
   setFeatureFlag,
   showModal,
   setShowFiatConversionOnTestnetsPreference,
+  setAutoLogoutTimeLimit,
 } from '../../../store/actions'
 import {preferencesSelector} from '../../../selectors/selectors'
 
-const mapStateToProps = state => {
+export const mapStateToProps = state => {
   const { appState: { warning }, metamask } = state
   const {
     featureFlags: {
@@ -19,17 +20,18 @@ const mapStateToProps = state => {
       advancedInlineGas,
     } = {},
   } = metamask
-  const { showFiatInTestnets } = preferencesSelector(state)
+  const { showFiatInTestnets, autoLogoutTimeLimit } = preferencesSelector(state)
 
   return {
     warning,
     sendHexData,
     advancedInlineGas,
     showFiatInTestnets,
+    autoLogoutTimeLimit,
   }
 }
 
-const mapDispatchToProps = dispatch => {
+export const mapDispatchToProps = dispatch => {
   return {
     setHexDataFeatureFlag: shouldShow => dispatch(setFeatureFlag('sendHexData', shouldShow)),
     setRpcTarget: (newRpc, chainId, ticker, nickname) => dispatch(updateAndSetCustomRpc(newRpc, chainId, ticker, nickname)),
@@ -39,6 +41,9 @@ const mapDispatchToProps = dispatch => {
     setShowFiatConversionOnTestnetsPreference: value => {
       return dispatch(setShowFiatConversionOnTestnetsPreference(value))
     },
+    setAutoLogoutTimeLimit: value => {
+      return dispatch(setAutoLogoutTimeLimit(value))
+    },
   }
 }
 
diff --git a/ui/app/pages/settings/advanced-tab/tests/advanced-tab-component.test.js b/ui/app/pages/settings/advanced-tab/tests/advanced-tab-component.test.js
new file mode 100644
index 000000000..f81329533
--- /dev/null
+++ b/ui/app/pages/settings/advanced-tab/tests/advanced-tab-component.test.js
@@ -0,0 +1,44 @@
+import React from 'react'
+import assert from 'assert'
+import sinon from 'sinon'
+import { shallow } from 'enzyme'
+import AdvancedTab from '../advanced-tab.component'
+import TextField from '../../../../components/ui/text-field'
+
+describe('AdvancedTab Component', () => {
+  it('should render correctly', () => {
+    const root = shallow(
+      <AdvancedTab />,
+      {
+        context: {
+          t: s => `_${s}`,
+        },
+      }
+    )
+
+    assert.equal(root.find('.settings-page__content-row').length, 8)
+  })
+
+  it('should update autoLogoutTimeLimit', () => {
+    const setAutoLogoutTimeLimitSpy = sinon.spy()
+    const root = shallow(
+      <AdvancedTab
+        setAutoLogoutTimeLimit={setAutoLogoutTimeLimitSpy}
+      />,
+      {
+        context: {
+          t: s => `_${s}`,
+        },
+      }
+    )
+
+    const autoTimeout = root.find('.settings-page__content-row').last()
+    const textField = autoTimeout.find(TextField)
+
+    textField.props().onChange({ target: { value: 1440 } })
+    assert.equal(root.state().autoLogoutTimeLimit, 1440)
+
+    autoTimeout.find('button').simulate('click')
+    assert.equal(setAutoLogoutTimeLimitSpy.args[0][0], 1440)
+  })
+})
diff --git a/ui/app/pages/settings/advanced-tab/tests/advanced-tab-container.test.js b/ui/app/pages/settings/advanced-tab/tests/advanced-tab-container.test.js
new file mode 100644
index 000000000..62122073d
--- /dev/null
+++ b/ui/app/pages/settings/advanced-tab/tests/advanced-tab-container.test.js
@@ -0,0 +1,46 @@
+import assert from 'assert'
+import { mapStateToProps, mapDispatchToProps } from '../advanced-tab.container'
+
+const defaultState = {
+  appState: {
+    warning: null,
+  },
+  metamask: {
+    featureFlags: {
+      sendHexData: false,
+      advancedInlineGas: false,
+    },
+    preferences: {
+      autoLogoutTimeLimit: 0,
+      showFiatInTestnets: false,
+      useNativeCurrencyAsPrimaryCurrency: true,
+    },
+  },
+}
+
+describe('AdvancedTab Container', () => {
+  it('should map state to props correctly', () => {
+    const props = mapStateToProps(defaultState)
+    const expected = {
+      warning: null,
+      sendHexData: false,
+      advancedInlineGas: false,
+      showFiatInTestnets: false,
+      autoLogoutTimeLimit: 0,
+    }
+
+    assert.deepEqual(props, expected)
+  })
+
+  it('should map dispatch to props correctly', () => {
+    const props = mapDispatchToProps(() => 'mockDispatch')
+
+      assert.ok(typeof props.setHexDataFeatureFlag === 'function')
+      assert.ok(typeof props.setRpcTarget === 'function')
+      assert.ok(typeof props.displayWarning === 'function')
+      assert.ok(typeof props.showResetAccountConfirmationModal === 'function')
+      assert.ok(typeof props.setAdvancedInlineGasFeatureFlag === 'function')
+      assert.ok(typeof props.setShowFiatConversionOnTestnetsPreference === 'function')
+      assert.ok(typeof props.setAutoLogoutTimeLimit === 'function')
+  })
+})
diff --git a/ui/app/store/actions.js b/ui/app/store/actions.js
index e7b855119..f2a9ed08f 100644
--- a/ui/app/store/actions.js
+++ b/ui/app/store/actions.js
@@ -316,6 +316,7 @@ var actions = {
   UPDATE_PREFERENCES: 'UPDATE_PREFERENCES',
   setUseNativeCurrencyAsPrimaryCurrencyPreference,
   setShowFiatConversionOnTestnetsPreference,
+  setAutoLogoutTimeLimit,
 
   // Migration of users to new UI
   setCompletedUiMigration,
@@ -2439,6 +2440,10 @@ function setShowFiatConversionOnTestnetsPreference (value) {
   return setPreference('showFiatInTestnets', value)
 }
 
+function setAutoLogoutTimeLimit (value) {
+  return setPreference('autoLogoutTimeLimit', value)
+}
+
 function setCompletedOnboarding () {
   return async dispatch => {
     dispatch(actions.showLoadingIndication())