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Create setting to allow to trust the system root CAs

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Previously, when rootCA was set, the trusted system root CAs were ignored. Now, allow for both being able to be configured and used

Signed-off-by: Daniel Haus <dhaus@redhat.com>
This commit is contained in:
Daniel Haus 2021-11-26 21:27:25 +01:00
parent a322f42a10
commit 2b262ff5d6
No known key found for this signature in database
GPG key ID: 262B7643F39EB8A9
2 changed files with 47 additions and 36 deletions
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73
connector/openshift/openshift.go
View file

@ -28,13 +28,14 @@ const (
// Config holds configuration options for OpenShift login // Config holds configuration options for OpenShift login
type Config struct { type Config struct {
Issuer string `json:"issuer"` Issuer string `json:"issuer"`
ClientID string `json:"clientID"` ClientID string `json:"clientID"`
ClientSecret string `json:"clientSecret"` ClientSecret string `json:"clientSecret"`
RedirectURI string `json:"redirectURI"` RedirectURI string `json:"redirectURI"`
Groups []string `json:"groups"` Groups []string `json:"groups"`
InsecureCA bool `json:"insecureCA"` InsecureCA bool `json:"insecureCA"`
RootCA string `json:"rootCA"` RootCA string `json:"rootCA"`
IncludeSystemRootCAs bool `json:"includeSystemRootCAs"`
} }
var ( var (
@ -43,17 +44,18 @@ var (
) )
type openshiftConnector struct { type openshiftConnector struct {
apiURL string apiURL string
redirectURI string redirectURI string
clientID string clientID string
clientSecret string clientSecret string
cancel context.CancelFunc cancel context.CancelFunc
logger log.Logger logger log.Logger
httpClient *http.Client httpClient *http.Client
oauth2Config *oauth2.Config oauth2Config *oauth2.Config
insecureCA bool insecureCA bool
rootCA string rootCA string
groups []string includeSystemRootCAs bool
groups []string
} }
type user struct { type user struct {
@ -73,18 +75,19 @@ func (c *Config) Open(id string, logger log.Logger) (conn connector.Connector, e
req, err := http.NewRequest(http.MethodGet, wellKnownURL, nil) req, err := http.NewRequest(http.MethodGet, wellKnownURL, nil)
openshiftConnector := openshiftConnector{ openshiftConnector := openshiftConnector{
apiURL: c.Issuer, apiURL: c.Issuer,
cancel: cancel, cancel: cancel,
clientID: c.ClientID, clientID: c.ClientID,
clientSecret: c.ClientSecret, clientSecret: c.ClientSecret,
insecureCA: c.InsecureCA, insecureCA: c.InsecureCA,
logger: logger, logger: logger,
redirectURI: c.RedirectURI, redirectURI: c.RedirectURI,
rootCA: c.RootCA, rootCA: c.RootCA,
groups: c.Groups, includeSystemRootCAs: c.IncludeSystemRootCAs,
groups: c.Groups,
} }
if openshiftConnector.httpClient, err = newHTTPClient(c.InsecureCA, c.RootCA); err != nil { if openshiftConnector.httpClient, err = newHTTPClient(c.InsecureCA, c.RootCA, c.IncludeSystemRootCAs); err != nil {
cancel() cancel()
return nil, fmt.Errorf("failed to create HTTP client: %v", err) return nil, fmt.Errorf("failed to create HTTP client: %v", err)
} }
@ -248,16 +251,24 @@ func validateAllowedGroups(userGroups, allowedGroups []string) bool {
} }
// newHTTPClient returns a new HTTP client // newHTTPClient returns a new HTTP client
func newHTTPClient(insecureCA bool, rootCA string) (*http.Client, error) { func newHTTPClient(insecureCA bool, rootCA string, includeSystemRootCAs bool) (*http.Client, error) {
tlsConfig := tls.Config{} tlsConfig := tls.Config{}
if insecureCA { if insecureCA {
tlsConfig = tls.Config{InsecureSkipVerify: true} tlsConfig = tls.Config{InsecureSkipVerify: true}
} else if rootCA != "" { } else if rootCA != "" {
tlsConfig = tls.Config{RootCAs: x509.NewCertPool()} if !includeSystemRootCAs {
tlsConfig = tls.Config{RootCAs: x509.NewCertPool()}
} else {
systemCAs, err := x509.SystemCertPool()
if err != nil {
return nil, fmt.Errorf("failed to read host CA: %w", err)
}
tlsConfig = tls.Config{RootCAs: systemCAs}
}
rootCABytes, err := os.ReadFile(rootCA) rootCABytes, err := os.ReadFile(rootCA)
if err != nil { if err != nil {
return nil, fmt.Errorf("failed to read root-ca: %v", err) return nil, fmt.Errorf("failed to read root-ca: %w", err)
} }
if !tlsConfig.RootCAs.AppendCertsFromPEM(rootCABytes) { if !tlsConfig.RootCAs.AppendCertsFromPEM(rootCABytes) {
return nil, fmt.Errorf("no certs found in root CA file %q", rootCA) return nil, fmt.Errorf("no certs found in root CA file %q", rootCA)

10
connector/openshift/openshift_test.go
View file

@ -70,7 +70,7 @@ func TestGetUser(t *testing.T) {
_, err = http.NewRequest("GET", hostURL.String(), nil) _, err = http.NewRequest("GET", hostURL.String(), nil)
expectNil(t, err) expectNil(t, err)
h, err := newHTTPClient(true, "") h, err := newHTTPClient(true, "", false)
expectNil(t, err) expectNil(t, err)
@ -128,7 +128,7 @@ func TestVerifyGroup(t *testing.T) {
_, err = http.NewRequest("GET", hostURL.String(), nil) _, err = http.NewRequest("GET", hostURL.String(), nil)
expectNil(t, err) expectNil(t, err)
h, err := newHTTPClient(true, "") h, err := newHTTPClient(true, "", false)
expectNil(t, err) expectNil(t, err)
@ -164,7 +164,7 @@ func TestCallbackIdentity(t *testing.T) {
req, err := http.NewRequest("GET", hostURL.String(), nil) req, err := http.NewRequest("GET", hostURL.String(), nil)
expectNil(t, err) expectNil(t, err)
h, err := newHTTPClient(true, "") h, err := newHTTPClient(true, "", false)
expectNil(t, err) expectNil(t, err)
@ -198,7 +198,7 @@ func TestRefreshIdentity(t *testing.T) {
}) })
defer s.Close() defer s.Close()
h, err := newHTTPClient(true, "") h, err := newHTTPClient(true, "", false)
expectNil(t, err) expectNil(t, err)
oc := openshiftConnector{apiURL: s.URL, httpClient: h, oauth2Config: &oauth2.Config{ oc := openshiftConnector{apiURL: s.URL, httpClient: h, oauth2Config: &oauth2.Config{
@ -237,7 +237,7 @@ func TestRefreshIdentityFailure(t *testing.T) {
}) })
defer s.Close() defer s.Close()
h, err := newHTTPClient(true, "") h, err := newHTTPClient(true, "", false)
expectNil(t, err) expectNil(t, err)
oc := openshiftConnector{apiURL: s.URL, httpClient: h, oauth2Config: &oauth2.Config{ oc := openshiftConnector{apiURL: s.URL, httpClient: h, oauth2Config: &oauth2.Config{