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testing.go
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testing.go
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// Copyright 2018 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package testing
import (
"crypto"
"crypto/rsa"
"crypto/x509"
"encoding/pem"
"io"
"io/ioutil"
"net/http"
"net/http/httptest"
"testing"
"time"
"github.com/WICG/webpackage/go/signedexchange"
"github.com/ampproject/amppackager/packager/util"
)
// A cert (with its issuer chain) for testing.
var Certs = func() []*x509.Certificate {
certPem, _ := ioutil.ReadFile("../../testdata/b3/fullchain.cert")
certs, _ := signedexchange.ParseCertificates(certPem)
return certs
}()
// Its corresponding private key.
var Key = func() crypto.PrivateKey {
keyPem, _ := ioutil.ReadFile("../../testdata/b3/server.privkey")
// This call to ParsePrivateKey() is needed by util_test.go.
key, _ := util.ParsePrivateKey(keyPem)
return key
}()
// 90 days cert of amppackageexample.com and www.amppackageexample.com in SAN
var B3Certs = func() []*x509.Certificate {
certPem, _ := ioutil.ReadFile("../../testdata/b3/fullchain.cert")
certs, _ := signedexchange.ParseCertificates(certPem)
return certs
}()
// Private key of B3Certs
var B3Key = func() crypto.PrivateKey {
keyPem, _ := ioutil.ReadFile("../../testdata/b3/server.privkey")
key, _ := util.ParsePrivateKey(keyPem)
return key
}()
// 90 days cert of amppackageexample2.com and www.amppackageexample2.com in SAN
var B3Certs2 = func() []*x509.Certificate {
certPem, _ := ioutil.ReadFile("../../testdata/b3/fullchain2.cert")
certs, _ := signedexchange.ParseCertificates(certPem)
return certs
}()
// Private key of B3Certs2
var B3Key2 = func() crypto.PrivateKey {
keyPem, _ := ioutil.ReadFile("../../testdata/b3/server2.privkey")
key, _ := util.ParsePrivateKey(keyPem)
return key
}()
// 91 days cert from B3Key
var B3Certs91Days = func() []*x509.Certificate {
certPem, _ := ioutil.ReadFile("../../testdata/b3/fullchain_91days.cert")
certs, _ := signedexchange.ParseCertificates(certPem)
return certs
}()
// secp521r1 private key
var B3KeyP521 = func() crypto.PrivateKey {
keyPem, _ := ioutil.ReadFile("../../testdata/b3/server_p521.privkey")
key, _ := util.ParsePrivateKey(keyPem)
return key
}()
// Cert for a fake CA
var CACert = func() *x509.Certificate {
certPem, _ := ioutil.ReadFile("../../testdata/b3/ca.cert")
certs, _ := signedexchange.ParseCertificates(certPem)
return certs[0]
}()
// RSA private key for a fake CA
var CAKey = func() *rsa.PrivateKey {
keyPem, _ := ioutil.ReadFile("../../testdata/b3/ca.privkey")
for {
var pemBlock *pem.Block
pemBlock, keyPem := pem.Decode(keyPem)
if pemBlock == nil {
panic("Error parsing PEM block in ca.privkey.")
}
if key, err := x509.ParsePKCS1PrivateKey(pemBlock.Bytes); err == nil {
return key
}
if len(keyPem) == 0 {
panic("Failed to parse ca.privkey; no matching PEM blocks.")
}
// Else try next PEM block.
}
}()
// The URL path component corresponding to the cert's sha-256.
var CertName = util.CertName(Certs[0])
// Request encapsulates all the information needed to construct a test request
// for use by the unit tests.
type Request struct {
T *testing.T
Handler http.Handler
Target string
Host string
Header http.Header
Body io.Reader
}
// NewRequest returns a new test request.
func NewRequest(t *testing.T, h http.Handler, target string) *Request {
return &Request{
T: t,
Handler: h,
Target: target,
}
}
// SetHeaders sets the headers for the request. Host may be empty for the default.
func (r *Request) SetHeaders(host string, header http.Header) *Request {
r.Host = host
r.Header = header
return r
}
// SetBody sets the body for the request. May be nil for an empty body.
func (r *Request) SetBody(body io.Reader) *Request {
r.Body = body
return r
}
// Get returns the completed test request object.
func (r *Request) Do() *http.Response {
rec := httptest.NewRecorder()
method := ""
if r.Header == nil {
r.Header = http.Header{}
}
if r.Body != nil {
method = "POST"
r.Header.Add("Content-Type", "application/x-www-form-urlencoded")
}
req := httptest.NewRequest(method, r.Target, r.Body)
for name, values := range r.Header {
for _, value := range values {
req.Header.Add(name, value)
}
}
if r.Host != "" {
req.Host = r.Host
}
r.Handler.ServeHTTP(rec, req)
return rec.Result()
}
type FakeClock struct {
SecondsSince0 time.Duration
Delta time.Duration
}
func NewFakeClock() *FakeClock {
return &FakeClock{time.Now().Sub(time.Unix(0, 0)), time.Second}
}
func (this *FakeClock) Now() time.Time {
secondsSince0 := this.SecondsSince0
this.SecondsSince0 = secondsSince0 + this.Delta
return time.Unix(0, 0).Add(secondsSince0)
}