Fix authentication

app/src/components/ConnectionSetup/Notification.tsx

@@ -0,0 +1,55 @@
+import * as React from 'react'
+
+import { Snackbar, SnackbarContent } from '@material-ui/core'
+import { Theme, withStyles } from '@material-ui/core/styles'
+import { green, red } from '@material-ui/core/colors'
+
+enum MessageType {
+  success = 'success',
+  error = 'error',
+}
+
+interface Props {
+  message?: string
+  type: MessageType
+  onClose: () => void
+  classes: any
+}
+
+class Notification extends React.Component<Props, {}> {
+  constructor(props: Props) {
+    super(props)
+  }
+
+  public static styles = (theme: Theme) => ({
+    success: {
+      backgroundColor: green[600],
+      color: theme.typography.button.color,
+    },
+    error: {
+      backgroundColor: red[600],
+      color: theme.typography.button.color,
+    },
+  })
+
+  public render() {
+    return (
+      <Snackbar
+        anchorOrigin={{
+          vertical: 'bottom',
+          horizontal: 'left',
+        }}
+        open={Boolean(this.props.message)}
+        autoHideDuration={10000}
+        onClose={this.props.onClose}
+      >
+        <SnackbarContent
+          className={this.props.classes[this.props.type]}
+          message={this.props.message}
+        />
+      </Snackbar>
+    )
+  }
+}
+
+export default withStyles(Notification.styles)(Notification)