cff_response_content_type_by_ua

cff_response_content_type_by_ua.js

function handler(event) {
    var response = event.response;
    var request = event.request;
    var ua = request.headers['user-agent']['value'].toLowerCase();
    var headers = response.headers;
    if (ua.indexOf('chrome') > -1) {
        // Set the cache-control header
        headers['content-type'] = {value: "application/vnd.android.package-archive"};
    } 
    else if (ua.indexOf('firefox') > -1){
        headers['content-type'] = {value: "image/png"};
    }
    return response;
}

绑定 viewer response事件，配置方式参考 https://docs.aws.amazon.com/zh_cn/AmazonCloudFront/latest/DeveloperGuide/edge-functions.html