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dex/connector/saml/saml_test.go

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package saml
import (
"crypto/x509"
"encoding/base64"
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"encoding/pem"
"errors"
"io/ioutil"
"strings"
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"testing"
"time"
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"github.com/Sirupsen/logrus"
dsig "github.com/russellhaering/goxmldsig"
"github.com/coreos/dex/connector"
)
const (
defaultIssuer = "http://localhost:5556/dex/callback"
defaultRedirectURI = "http://localhost:5556/dex/callback"
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)
func loadCert(ca string) (*x509.Certificate, error) {
data, err := ioutil.ReadFile(ca)
if err != nil {
return nil, err
}
block, _ := pem.Decode(data)
if block == nil {
return nil, errors.New("ca file didn't contain any PEM data")
}
return x509.ParseCertificate(block.Bytes)
}
func runVerify(t *testing.T, ca string, resp string, shouldSucceed bool) {
cert, err := loadCert(ca)
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if err != nil {
t.Fatal(err)
}
s := certStore{[]*x509.Certificate{cert}}
validator := dsig.NewDefaultValidationContext(s)
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data, err := ioutil.ReadFile(resp)
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if err != nil {
t.Fatal(err)
}
if _, err := verify(validator, data); err != nil {
if shouldSucceed {
t.Fatal(err)
}
} else {
if !shouldSucceed {
t.Fatalf("expected an invalid signatrue but verification has been successful")
}
}
}
func newProvider(issuer string, redirectURI string) *provider {
if issuer == "" {
issuer = defaultIssuer
}
if redirectURI == "" {
redirectURI = defaultRedirectURI
}
now, _ := time.Parse(time.RFC3339, "2017-01-24T20:48:41Z")
timeFunc := func() time.Time { return now }
return &provider{
issuer: issuer,
ssoURL: "http://idp.org/saml/sso",
now: timeFunc,
usernameAttr: "user",
emailAttr: "email",
redirectURI: redirectURI,
logger: logrus.New(),
}
}
func TestVerify(t *testing.T) {
runVerify(t, "testdata/okta-ca.pem", "testdata/okta-resp.xml", true)
}
func TestVerifySignedMessageAndUnsignedAssertion(t *testing.T) {
runVerify(t, "testdata/idp-cert.pem", "testdata/idp-resp-signed-message.xml", true)
}
func TestVerifyUnsignedMessageAndSignedAssertion(t *testing.T) {
runVerify(t, "testdata/idp-cert.pem", "testdata/idp-resp-signed-assertion.xml", true)
}
func TestVerifySignedMessageAndSignedAssertion(t *testing.T) {
runVerify(t, "testdata/idp-cert.pem", "testdata/idp-resp-signed-message-and-assertion.xml", true)
}
func TestVerifyUnsignedMessageAndUnsignedAssertion(t *testing.T) {
runVerify(t, "testdata/idp-cert.pem", "testdata/idp-resp.xml", false)
}
func TestHandlePOST(t *testing.T) {
p := newProvider("", "")
scopes := connector.Scopes{
OfflineAccess: false,
Groups: true,
}
data, err := ioutil.ReadFile("testdata/idp-resp.xml")
if err != nil {
t.Fatal(err)
}
ident, err := p.HandlePOST(scopes, base64.StdEncoding.EncodeToString(data))
if err != nil {
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t.Fatal(err)
}
if ident.UserID != "eric.chiang+okta@coreos.com" {
t.Fatalf("unexpected UserID %q", ident.UserID)
}
if ident.Username != "admin" {
t.Fatalf("unexpected Username: %q", ident.UserID)
}
}
func TestValidateStatus(t *testing.T) {
p := newProvider("", "")
var err error
resp := response{}
// Test missing Status element
err = p.validateStatus(&resp)
if err == nil || !strings.HasSuffix(err.Error(), `Status`) {
t.Fatalf("validation should fail with missing Status")
}
// Test missing StatusCode element
resp.Status = &status{}
err = p.validateStatus(&resp)
if err == nil || !strings.HasSuffix(err.Error(), `StatusCode`) {
t.Fatalf("validation should fail with missing StatusCode")
}
// Test failed request without StatusMessage
resp.Status.StatusCode = &statusCode{
Value: ":Requester",
}
err = p.validateStatus(&resp)
if err == nil || !strings.HasSuffix(err.Error(), `"Requester"`) {
t.Fatalf("validation should fail with code %q", "Requester")
}
// Test failed request with StatusMessage
resp.Status.StatusMessage = &statusMessage{
Value: "Failed",
}
err = p.validateStatus(&resp)
if err == nil || !strings.HasSuffix(err.Error(), `"Requester" -> Failed`) {
t.Fatalf("validation should fail with code %q and message %q", "Requester", "Failed")
}
}
func TestValidateSubjectConfirmation(t *testing.T) {
p := newProvider("", "")
var err error
var notAfter time.Time
subj := &subject{}
// Subject without any SubjectConfirmation
err = p.validateSubjectConfirmation(subj)
if err == nil {
t.Fatalf("validation of %q should fail", "Subject without any SubjectConfirmation")
}
// SubjectConfirmation without Method and SubjectConfirmationData
subj.SubjectConfirmations = []subjectConfirmation{subjectConfirmation{}}
err = p.validateSubjectConfirmation(subj)
if err == nil {
t.Fatalf("validation of %q should fail", "SubjectConfirmation without Method and SubjectConfirmationData")
}
// SubjectConfirmation with invalid Method and no SubjectConfirmationData
subj.SubjectConfirmations = []subjectConfirmation{subjectConfirmation{
Method: "invalid",
}}
err = p.validateSubjectConfirmation(subj)
if err == nil {
t.Fatalf("validation of %q should fail", "SubjectConfirmation with invalid Method and no SubjectConfirmationData")
}
// SubjectConfirmation with valid Method and empty SubjectConfirmationData
subjConfirmationData := subjectConfirmationData{}
subj.SubjectConfirmations = []subjectConfirmation{subjectConfirmation{
Method: "urn:oasis:names:tc:SAML:2.0:cm:bearer",
SubjectConfirmationData: &subjConfirmationData,
}}
err = p.validateSubjectConfirmation(subj)
if err != nil {
t.Fatalf("validation of %q should succeed", "SubjectConfirmation with valid Method and empty SubjectConfirmationData")
}
// SubjectConfirmationData with invalid Recipient
subjConfirmationData.Recipient = "invalid"
err = p.validateSubjectConfirmation(subj)
if err == nil {
t.Fatalf("validation of %q should fail", "SubjectConfirmationData with invalid Recipient")
}
// expired SubjectConfirmationData
notAfter = p.now().Add(-time.Duration(60) * time.Second)
subjConfirmationData.NotOnOrAfter = xmlTime(notAfter)
subjConfirmationData.Recipient = defaultRedirectURI
err = p.validateSubjectConfirmation(subj)
if err == nil {
t.Fatalf("validation of %q should fail", " expired SubjectConfirmationData")
}
// valid SubjectConfirmationData
notAfter = p.now().Add(+time.Duration(60) * time.Second)
subjConfirmationData.NotOnOrAfter = xmlTime(notAfter)
subjConfirmationData.Recipient = defaultRedirectURI
err = p.validateSubjectConfirmation(subj)
if err != nil {
t.Fatalf("validation of %q should succed", "valid SubjectConfirmationData")
}
}
func TestValidateConditions(t *testing.T) {
p := newProvider("", "")
var err error
var notAfter, notBefore time.Time
cond := conditions{
AudienceRestriction: &audienceRestriction{},
}
assert := &assertion{}
// Assertion without Conditions
err = p.validateConditions(assert)
if err != nil {
t.Fatalf("validation of %q should succeed", "Assertion without Conditions")
}
// Assertion with empty Conditions
assert.Conditions = &cond
err = p.validateConditions(assert)
if err != nil {
t.Fatalf("validation of %q should succeed", "Assertion with empty Conditions")
}
// Conditions with valid timestamps
notBefore = p.now().Add(-time.Duration(60) * time.Second)
notAfter = p.now().Add(+time.Duration(60) * time.Second)
cond.NotBefore = xmlTime(notBefore)
cond.NotOnOrAfter = xmlTime(notAfter)
err = p.validateConditions(assert)
if err != nil {
t.Fatalf("validation of %q should succeed", "Conditions with valid timestamps")
}
// Conditions where notBefore is 45 seconds after now
notBefore = p.now().Add(+time.Duration(45) * time.Second)
cond.NotBefore = xmlTime(notBefore)
err = p.validateConditions(assert)
if err == nil {
t.Fatalf("validation of %q should fail", "Conditions where notBefore is 45 seconds after now")
}
// Conditions where notBefore is 15 seconds after now
notBefore = p.now().Add(+time.Duration(15) * time.Second)
cond.NotBefore = xmlTime(notBefore)
err = p.validateConditions(assert)
if err != nil {
t.Fatalf("validation of %q should succeed", "Conditions where notBefore is 15 seconds after now")
}
// Audiences contains the issuer
validAudience := audience{Value: p.issuer}
cond.AudienceRestriction.Audiences = []audience{validAudience}
err = p.validateConditions(assert)
if err != nil {
t.Fatalf("validation of %q should succeed", "Audiences contains the issuer")
}
// Audiences is not empty and not contains the issuer
invalidAudience := audience{Value: "invalid"}
cond.AudienceRestriction.Audiences = []audience{invalidAudience}
err = p.validateConditions(assert)
if err == nil {
t.Fatalf("validation of %q should succeed", "Audiences is not empty and not contains the issuer")
}
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}