[Glitch] Add confirmation modal when logging out from the web app

Port fd3d45d38f to glitch-soc

Signed-off-by: Thibaut Girka <thib@sitedethib.com>

app/javascript/flavours/glitch/features/compose/components/header.js

@@ -53,8 +53,18 @@ class Header extends ImmutablePureComponent {
     showNotificationsBadge: PropTypes.bool,
     intl: PropTypes.object,
     onSettingsClick: PropTypes.func,
+    onLogout: PropTypes.func.isRequired,
   };
 
+  handleLogoutClick = e => {
+    e.preventDefault();
+    e.stopPropagation();
+
+    this.props.onLogout();
+
+    return false;
+  }
+
   render () {
     const { intl, columns, unreadNotifications, showNotificationsBadge, onSettingsClick } = this.props;
 
@@ -114,7 +124,7 @@ class Header extends ImmutablePureComponent {
         ><Icon icon='cogs' /></a>
         <a
           aria-label={intl.formatMessage(messages.logout)}
-          data-method='delete'
+          onClick={this.handleLogoutClick}
           href={ signOutLink }
           title={intl.formatMessage(messages.logout)}
         ><Icon icon='sign-out' /></a>

app/javascript/flavours/glitch/features/compose/containers/header_container.js

@@ -1,6 +1,13 @@
 import { openModal } from 'flavours/glitch/actions/modal';
 import { connect }   from 'react-redux';
+import { defineMessages, injectIntl } from 'react-intl';
 import Header from '../components/header';
+import { logOut } from 'flavours/glitch/util/log_out';
+
+const messages = defineMessages({
+  logoutMessage: { id: 'confirmations.logout.message', defaultMessage: 'Are you sure you want to log out?' },
+  logoutConfirm: { id: 'confirmations.logout.confirm', defaultMessage: 'Log out' },
+});
 
 const mapStateToProps = state => {
   return {
@@ -16,6 +23,13 @@ const mapDispatchToProps = (dispatch, { intl }) => ({
     e.stopPropagation();
     dispatch(openModal('SETTINGS', {}));
   },
+  onLogout () {
+    dispatch(openModal('CONFIRM', {
+      message: intl.formatMessage(messages.logoutMessage),
+      confirm: intl.formatMessage(messages.logoutConfirm),
+      onConfirm: () => logOut(),
+    }));
+  },
 });
 
-export default connect(mapStateToProps, mapDispatchToProps)(Header);
+export default injectIntl(connect(mapStateToProps, mapDispatchToProps)(Header));

app/javascript/flavours/glitch/features/ui/components/link_footer.js

@@ -1,11 +1,48 @@
+import { connect } from 'react-redux';
 import React from 'react';
 import PropTypes from 'prop-types';
-import { FormattedMessage } from 'react-intl';
+import { FormattedMessage, defineMessages, injectIntl } from 'react-intl';
 import { Link } from 'react-router-dom';
 import { invitesEnabled, version, repository, source_url } from 'flavours/glitch/util/initial_state';
 import { signOutLink } from 'flavours/glitch/util/backend_links';
+import { logOut } from 'flavours/glitch/util/log_out';
+import { openModal } from 'flavours/glitch/actions/modal';
 
-const LinkFooter = () => (
+const messages = defineMessages({
+  logoutMessage: { id: 'confirmations.logout.message', defaultMessage: 'Are you sure you want to log out?' },
+  logoutConfirm: { id: 'confirmations.logout.confirm', defaultMessage: 'Log out' },
+});
+
+const mapDispatchToProps = (dispatch, { intl }) => ({
+  onLogout () {
+    dispatch(openModal('CONFIRM', {
+      message: intl.formatMessage(messages.logoutMessage),
+      confirm: intl.formatMessage(messages.logoutConfirm),
+      onConfirm: () => logOut(),
+    }));
+  },
+});
+
+export default @injectIntl
+@connect(null, mapDispatchToProps)
+class LinkFooter extends React.PureComponent {
+
+  static propTypes = {
+    onLogout: PropTypes.func.isRequired,
+    intl: PropTypes.object.isRequired,
+  };
+
+  handleLogoutClick = e => {
+    e.preventDefault();
+    e.stopPropagation();
+
+    this.props.onLogout();
+ 
+    return false;
+  }
+
+  render () {
+    return (
       <div className='getting-started__footer'>
         <ul>
           {invitesEnabled && <li><a href='/invites' target='_blank'><FormattedMessage id='getting_started.invite' defaultMessage='Invite people' /></a> · </li>}
@@ -15,7 +52,7 @@ const LinkFooter = () => (
           <li><a href='/terms' target='_blank'><FormattedMessage id='getting_started.terms' defaultMessage='Terms of service' /></a> · </li>
           <li><a href='/settings/applications' target='_blank'><FormattedMessage id='getting_started.developers' defaultMessage='Developers' /></a> · </li>
           <li><a href='https://docs.joinmastodon.org' target='_blank'><FormattedMessage id='getting_started.documentation' defaultMessage='Documentation' /></a> · </li>
-      <li><a href={signOutLink} data-method='delete'><FormattedMessage id='navigation_bar.logout' defaultMessage='Logout' /></a></li>
+          <li><a href={signOutLink} onClick={this.handleLogoutClick}><FormattedMessage id='navigation_bar.logout' defaultMessage='Logout' /></a></li>
         </ul>
 
         <p>
@@ -29,8 +66,6 @@ const LinkFooter = () => (
         </p>
       </div>
     );
+  }
 
-LinkFooter.propTypes = {
 };
-
-export default LinkFooter;

app/javascript/flavours/glitch/util/log_out.js

@@ -0,0 +1,34 @@
+import Rails from 'rails-ujs';
+import { signOutLink } from 'flavours/glitch/util/backend_links';
+
+export const logOut = () => {
+  const form = document.createElement('form');
+
+  const methodInput = document.createElement('input');
+  methodInput.setAttribute('name', '_method');
+  methodInput.setAttribute('value', 'delete');
+  methodInput.setAttribute('type', 'hidden');
+  form.appendChild(methodInput);
+
+  const csrfToken = Rails.csrfToken();
+  const csrfParam = Rails.csrfParam();
+
+  if (csrfParam && csrfToken) {
+    const csrfInput = document.createElement('input');
+    csrfInput.setAttribute('name', csrfParam);
+    csrfInput.setAttribute('value', csrfToken);
+    csrfInput.setAttribute('type', 'hidden');
+    form.appendChild(csrfInput);
+  }
+
+  const submitButton = document.createElement('input');
+  submitButton.setAttribute('type', 'submit');
+  form.appendChild(submitButton);
+
+  form.method = 'post';
+  form.action = signOutLink;
+  form.style.display = 'none';
+
+  document.body.appendChild(form);
+  submitButton.click();
+};