'Renders GRR home page by rendering base.html Jinja template.'

def _HandleHomepage(self, request):

    _ = request
    env = jinja2.Environment(loader=jinja2.FileSystemLoader(config.CONFIG['AdminUI.template_root']), autoescape=True)
    create_time = psutil.Process(os.getpid()).create_time()
    context = {'heading': config.CONFIG['AdminUI.heading'], 'report_url': config.CONFIG['AdminUI.report_url'], 'help_url': config.CONFIG['AdminUI.help_url'], 'timestamp': utils.SmartStr(create_time), 'use_precompiled_js': config.CONFIG['AdminUI.use_precompiled_js'], 'firebase_api_key': config.CONFIG['AdminUI.firebase_api_key'], 'firebase_auth_domain': config.CONFIG['AdminUI.firebase_auth_domain'], 'firebase_auth_provider': config.CONFIG['AdminUI.firebase_auth_provider']}
    template = env.get_template('base.html')
    response = werkzeug_wrappers.Response(template.render(context), mimetype='text/html')
    try:
        StoreCSRFCookie(request.user, response)
    except RequestHasNoUser:
        pass
    return response
