forked from grafana/k6
/
response.go
271 lines (241 loc) · 7.61 KB
/
response.go
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/*
*
* k6 - a next-generation load testing tool
* Copyright (C) 2016 Load Impact
*
* This program 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, either version 3 of the
* License, or (at your option) any later version.
*
* 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 <http://www.gnu.org/licenses/>.
*
*/
package http
import (
"context"
"crypto/tls"
"encoding/json"
"fmt"
"net/url"
"strings"
"github.com/dop251/goja"
"github.com/loadimpact/k6/js/common"
"github.com/loadimpact/k6/js/modules/k6/html"
"github.com/loadimpact/k6/lib"
"golang.org/x/crypto/ocsp"
)
type OCSP struct {
ProducedAt, ThisUpdate, NextUpdate, RevokedAt int64
RevocationReason string
Status string
}
type HTTPResponseTimings struct {
Duration, Blocked, LookingUp, Connecting, TLSHandshaking, Sending, Waiting, Receiving float64
}
type HTTPResponse struct {
ctx context.Context
RemoteIP string
RemotePort int
URL string
Status int
Proto string
Headers map[string]string
Cookies map[string][]*HTTPCookie
Body string
Timings HTTPResponseTimings
TLSVersion string
TLSCipherSuite string
OCSP OCSP `js:"ocsp"`
Error string
Request HTTPRequest
cachedJSON goja.Value
}
func (res *HTTPResponse) setTLSInfo(tlsState *tls.ConnectionState) {
switch tlsState.Version {
case tls.VersionSSL30:
res.TLSVersion = SSL_3_0
case tls.VersionTLS10:
res.TLSVersion = TLS_1_0
case tls.VersionTLS11:
res.TLSVersion = TLS_1_1
case tls.VersionTLS12:
res.TLSVersion = TLS_1_2
}
res.TLSCipherSuite = lib.SupportedTLSCipherSuitesToString[tlsState.CipherSuite]
ocspStapledRes := OCSP{Status: OCSP_STATUS_UNKNOWN}
if ocspRes, err := ocsp.ParseResponse(tlsState.OCSPResponse, nil); err == nil {
switch ocspRes.Status {
case ocsp.Good:
ocspStapledRes.Status = OCSP_STATUS_GOOD
case ocsp.Revoked:
ocspStapledRes.Status = OCSP_STATUS_REVOKED
case ocsp.ServerFailed:
ocspStapledRes.Status = OCSP_STATUS_SERVER_FAILED
case ocsp.Unknown:
ocspStapledRes.Status = OCSP_STATUS_UNKNOWN
}
switch ocspRes.RevocationReason {
case ocsp.Unspecified:
ocspStapledRes.RevocationReason = OCSP_REASON_UNSPECIFIED
case ocsp.KeyCompromise:
ocspStapledRes.RevocationReason = OCSP_REASON_KEY_COMPROMISE
case ocsp.CACompromise:
ocspStapledRes.RevocationReason = OCSP_REASON_CA_COMPROMISE
case ocsp.AffiliationChanged:
ocspStapledRes.RevocationReason = OCSP_REASON_AFFILIATION_CHANGED
case ocsp.Superseded:
ocspStapledRes.RevocationReason = OCSP_REASON_SUPERSEDED
case ocsp.CessationOfOperation:
ocspStapledRes.RevocationReason = OCSP_REASON_CESSATION_OF_OPERATION
case ocsp.CertificateHold:
ocspStapledRes.RevocationReason = OCSP_REASON_CERTIFICATE_HOLD
case ocsp.RemoveFromCRL:
ocspStapledRes.RevocationReason = OCSP_REASON_REMOVE_FROM_CRL
case ocsp.PrivilegeWithdrawn:
ocspStapledRes.RevocationReason = OCSP_REASON_PRIVILEGE_WITHDRAWN
case ocsp.AACompromise:
ocspStapledRes.RevocationReason = OCSP_REASON_AA_COMPROMISE
}
ocspStapledRes.ProducedAt = ocspRes.ProducedAt.Unix()
ocspStapledRes.ThisUpdate = ocspRes.ThisUpdate.Unix()
ocspStapledRes.NextUpdate = ocspRes.NextUpdate.Unix()
ocspStapledRes.RevokedAt = ocspRes.RevokedAt.Unix()
}
res.OCSP = ocspStapledRes
}
func (res *HTTPResponse) Json() goja.Value {
if res.cachedJSON == nil {
var v interface{}
if err := json.Unmarshal([]byte(res.Body), &v); err != nil {
common.Throw(common.GetRuntime(res.ctx), err)
}
res.cachedJSON = common.GetRuntime(res.ctx).ToValue(v)
}
return res.cachedJSON
}
func (res *HTTPResponse) Html(selector ...string) html.Selection {
sel, err := html.HTML{}.ParseHTML(res.ctx, res.Body)
if err != nil {
common.Throw(common.GetRuntime(res.ctx), err)
}
sel.URL = res.URL
if len(selector) > 0 {
sel = sel.Find(selector[0])
}
return sel
}
func (res *HTTPResponse) SubmitForm(args ...goja.Value) (*HTTPResponse, error) {
rt := common.GetRuntime(res.ctx)
formSelector := "form"
submitSelector := "[type=\"submit\"]"
var fields map[string]goja.Value
requestParams := goja.Null()
if len(args) > 0 {
params := args[0].ToObject(rt)
for _, k := range params.Keys() {
switch k {
case "formSelector":
formSelector = params.Get(k).String()
case "submitSelector":
submitSelector = params.Get(k).String()
case "fields":
if rt.ExportTo(params.Get(k), &fields) != nil {
fields = nil
}
case "params":
requestParams = params.Get(k)
}
}
}
form := res.Html(formSelector)
if form.Size() == 0 {
common.Throw(rt, fmt.Errorf("no form found for selector '%s' in response '%s'", formSelector, res.URL))
}
methodAttr := form.Attr("method")
var requestMethod string
if methodAttr == goja.Undefined() {
// Use GET by default
requestMethod = HTTP_METHOD_GET
} else {
requestMethod = strings.ToUpper(methodAttr.String())
}
responseUrl, err := url.Parse(res.URL)
if err != nil {
common.Throw(rt, err)
}
actionAttr := form.Attr("action")
var requestUrl *url.URL
if actionAttr == goja.Undefined() {
// Use the url of the response if no action is set
requestUrl = responseUrl
} else {
actionUrl, err := url.Parse(actionAttr.String())
if err != nil {
common.Throw(rt, err)
}
requestUrl = responseUrl.ResolveReference(actionUrl)
}
// Set the body based on the form values
values := form.SerializeObject()
// Set the name + value of the submit button
submit := form.Find(submitSelector)
submitName := submit.Attr("name")
submitValue := submit.Val()
if submitName != goja.Undefined() && submitValue != goja.Undefined() {
values[submitName.String()] = submitValue
}
// Set the values supplied in the arguments, overriding automatically set values
for k, v := range fields {
values[k] = v
}
if requestMethod == HTTP_METHOD_GET {
q := url.Values{}
for k, v := range values {
q.Add(k, v.String())
}
requestUrl.RawQuery = q.Encode()
return New().Request(res.ctx, requestMethod, rt.ToValue(requestUrl.String()), goja.Null(), requestParams)
}
return New().Request(res.ctx, requestMethod, rt.ToValue(requestUrl.String()), rt.ToValue(values), requestParams)
}
func (res *HTTPResponse) ClickLink(args ...goja.Value) (*HTTPResponse, error) {
rt := common.GetRuntime(res.ctx)
selector := "a[href]"
requestParams := goja.Null()
if len(args) > 0 {
params := args[0].ToObject(rt)
for _, k := range params.Keys() {
switch k {
case "selector":
selector = params.Get(k).String()
case "params":
requestParams = params.Get(k)
}
}
}
responseUrl, err := url.Parse(res.URL)
if err != nil {
common.Throw(rt, err)
}
link := res.Html(selector)
if link.Size() == 0 {
common.Throw(rt, fmt.Errorf("no element found for selector '%s' in response '%s'", selector, res.URL))
}
hrefAttr := link.Attr("href")
if hrefAttr == goja.Undefined() {
common.Throw(rt, fmt.Errorf("no valid href attribute value found on element '%s' in response '%s'", selector, res.URL))
}
hrefUrl, err := url.Parse(hrefAttr.String())
if err != nil {
common.Throw(rt, err)
}
requestUrl := responseUrl.ResolveReference(hrefUrl)
return New().Get(res.ctx, rt.ToValue(requestUrl.String()), requestParams)
}