var cookies = unirest.jar();
async.waterfall([
    (callback) => {
        var req = unirest("POST", "https://localhost:9443/ccm/j_security_check")
            .headers({
                "Content-Type": "application/x-www-form-urlencoded",
            })
            .strictSSL(false)
            .jar(cookies)
            .send("j_username=samuel")
            .send("j_password=samuel")
            .end(function(res) {
                if (res.error) throw new Error(res.error);
                console.log('logged');
                callback();
            });
    },
    (callback) => {
        var req = unirest("GET", "https://localhost:9443/ccm/resource/itemName/com.ibm.team.workitem.WorkItem/2")
            .headers({
                Accept: "application/json",
            })
            .jar(cookies)
            .strictSSL(false)
            .end(function(res) {
                if (res.error) throw new Error(res.error);
                console.log(res.raw_body);
                callback();
            });
    },
    (callback) => {
        var req = unirest(
                "POST",
                "https://localhost:9443/ccm/service/com.ibm.team.workitem.service.internal.rest.IAttachmentRestService?projectId=_Jv0jwFXOEeuKc9Bmrq6cOA&multiple=true"
            )
            .strictSSL(false)
            .jar(cookies)
            .attach(
                "file",
                "https://s3.amazonaws.com/cdn.freshdesk.com/data/helpdesk/attachments/production/8075345095/original/nicolas_cage.jpg?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=AKIAS6FNSMY2WD6T3JNC%2F20210120%2Fus-east-1%2Fs3%2Faws4_request&X-Amz-Date=20210120T164143Z&X-Amz-Expires=86400&X-Amz-SignedHeaders=host&X-Amz-Signature=78fd8611c6a7c530937631d0f61d0c412c9a4f0d3d0a100eca919fa495e5c775"
            )
            .end(function(res) {
                if (res.error) {
                    console.error(res.error);
                } else {
                    console.log('attach worked');
                }
            });
    }
])

logged
{...workitem}
{ Error: self signed certificate
    at TLSSocket.onConnectSecure (_tls_wrap.js:1058:34)
    at TLSSocket.emit (events.js:198:13)
    at TLSSocket._finishInit (_tls_wrap.js:636:8) code: 'DEPTH_ZERO_SELF_SIGNED_CERT' }