1 files changed, 49 insertions, 0 deletions
diff --git a/app/javascript/mastodon/features/compose/containers/warning_container.js b/app/javascript/mastodon/features/compose/containers/warning_container.js
new file mode 100644
index 000000000..bf5e6a5f8
--- /dev/null
+++ b/app/javascript/mastodon/features/compose/containers/warning_container.js
@@ -0,0 +1,49 @@
+import React from 'react';
+import { connect } from 'react-redux';
+import Warning from '../components/warning';
+import { createSelector } from 'reselect';
+import PropTypes from 'prop-types';
+import { FormattedMessage } from 'react-intl';
+
+const getMentionedUsernames = createSelector(state => state.getIn(['compose', 'text']), text => text.match(/(?:^|[^\/\w])@([a-z0-9_]+@[a-z0-9\.\-]+)/ig));
+
+const getMentionedDomains = createSelector(getMentionedUsernames, mentionedUsernamesWithDomains => {
+  return mentionedUsernamesWithDomains !== null ? [...new Set(mentionedUsernamesWithDomains.map(item => item.split('@')[2]))] : [];
+});
+
+const mapStateToProps = state => {
+  const mentionedUsernames = getMentionedUsernames(state);
+  const mentionedUsernamesWithDomains = getMentionedDomains(state);
+
+  return {
+    needsLeakWarning: (state.getIn(['compose', 'privacy']) === 'private' || state.getIn(['compose', 'privacy']) === 'direct') && mentionedUsernames !== null,
+    mentionedDomains: mentionedUsernamesWithDomains,
+    needsLockWarning: state.getIn(['compose', 'privacy']) === 'private' && !state.getIn(['accounts', state.getIn(['meta', 'me']), 'locked'])
+  };
+};
+
+const WarningWrapper = ({ needsLeakWarning, needsLockWarning, mentionedDomains }) => {
+  if (needsLockWarning) {
+    return <Warning message={<FormattedMessage id='compose_form.lock_disclaimer' defaultMessage='Your account is not {locked}. Anyone can follow you to view your follower-only posts.' values={{ locked: <a href='/settings/profile'><FormattedMessage id='compose_form.lock_disclaimer.lock' defaultMessage='locked' /></a> }} />} />;
+  } else if (needsLeakWarning) {
+    return (
+      <Warning
+        message={<FormattedMessage
+          id='compose_form.privacy_disclaimer'
+          defaultMessage='Your private status will be delivered to mentioned users on {domains}. Do you trust {domainsCount, plural, one {that server} other {those servers}}? Post privacy only works on Mastodon instances. If {domains} {domainsCount, plural, one {is not a Mastodon instance} other {are not Mastodon instances}}, there will be no indication that your post is private, and it may be boosted or otherwise made visible to unintended recipients.'
+          values={{ domains: <strong>{mentionedDomains.join(', ')}</strong>, domainsCount: mentionedDomains.length }}
+        />}
+      />
+    );
+  }
+
+  return null;
+};
+
+WarningWrapper.propTypes = {
+  needsLeakWarning: PropTypes.bool,
+  needsLockWarning: PropTypes.bool,
+  mentionedDomains: PropTypes.array.isRequired,
+};
+
+export default connect(mapStateToProps)(WarningWrapper);