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path: root/packages/renderer/src/components/locationBar/SecurityLabel.tsx
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/*
 * Copyright (C)  2022 Kristóf Marussy <kristof@marussy.com>
 *
 * This file is part of Sophie.
 *
 * Sophie is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, version 3.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 *
 * SPDX-License-Identifier: AGPL-3.0-only
 */

import IconHttps from '@mui/icons-material/HttpsOutlined';
import IconHttp from '@mui/icons-material/NoEncryption';
import IconGlobe from '@mui/icons-material/Public';
import IconWarning from '@mui/icons-material/Warning';
import { styled } from '@mui/material/styles';
import React from 'react';
import { useTranslation } from 'react-i18next';

import LocationInputAdornment from './LocationInputAdornment';
import getAlertColor from './getAlertColor';
import type { SplitResult } from './splitUrl';

const SecurityLabelRoot = styled(LocationInputAdornment, {
  name: 'SecurityLabel',
  slot: 'Root',
  shouldForwardProp: (prop) => prop !== 'alert',
})<{ alert: boolean }>(({ theme, alert }) => ({
  padding: 6,
  color: getAlertColor(theme, alert),
  // Clicking on the security label should focus the text field instead.
  pointerEvents: 'none',
}));

const SecurityLabelText = styled('span', {
  name: 'SecurityLabel',
  slot: 'Text',
})(({ theme }) => ({
  marginLeft: theme.spacing(1),
  // Keep the same baseline as the input box text.
  paddingBottom: 1,
  fontWeight: theme.typography.fontWeightMedium,
  userSelect: 'none',
}));

export default function SecurityLabel({
  splitResult,
  changed,
  position,
}: {
  splitResult: SplitResult;
  changed: boolean;
  position: 'start' | 'end';
}): JSX.Element {
  const { t } = useTranslation(undefined, {
    keyPrefix: 'securityLabel',
  });

  const { type } = splitResult;
  if (changed || type === 'empty') {
    return (
      <SecurityLabelRoot alert={false} position={position} aria-hidden>
        <IconGlobe fontSize="small" />
      </SecurityLabelRoot>
    );
  }
  switch (type) {
    case 'valid': {
      const { secure } = splitResult;
      return secure ? (
        <SecurityLabelRoot
          alert={false}
          position={position}
          aria-label={t('secureConnection')}
        >
          <IconHttps fontSize="small" />
        </SecurityLabelRoot>
      ) : (
        <SecurityLabelRoot alert position={position}>
          <IconHttp fontSize="small" />
          <SecurityLabelText>{t('notSecureConnection')}</SecurityLabelText>
        </SecurityLabelRoot>
      );
    }
    case 'invalid':
      return (
        <SecurityLabelRoot alert position={position}>
          <IconWarning fontSize="small" />
          <SecurityLabelText>{t('unknownSite')}</SecurityLabelText>
        </SecurityLabelRoot>
      );
    default:
      /* eslint-disable-next-line @typescript-eslint/restrict-template-expressions --
        Error handling for impossible case.
      */
      throw new Error(`Unexpected SplitResult: ${type}`);
  }
}