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Remove external setting, enable injection of HTTP client to config. 

Signed-off-by: Daniel Haus <dhaus@redhat.com>
This commit is contained in:
Daniel Haus 2022-04-12 17:38:01 +02:00
parent 2b262ff5d6
commit 4088d4f897
No known key found for this signature in database
GPG Key ID: 262B7643F39EB8A9
2 changed files with 57 additions and 57 deletions
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104
connector/openshift/openshift.go
View File

@ -28,14 +28,13 @@ const (
// Config holds configuration options for OpenShift login
type Config struct {
Issuer string `json:"issuer"`
ClientID string `json:"clientID"`
ClientSecret string `json:"clientSecret"`
RedirectURI string `json:"redirectURI"`
Groups []string `json:"groups"`
InsecureCA bool `json:"insecureCA"`
RootCA string `json:"rootCA"`
IncludeSystemRootCAs bool `json:"includeSystemRootCAs"`
Issuer string `json:"issuer"`
ClientID string `json:"clientID"`
ClientSecret string `json:"clientSecret"`
RedirectURI string `json:"redirectURI"`
Groups []string `json:"groups"`
InsecureCA bool `json:"insecureCA"`
RootCA string `json:"rootCA"`
}
var (
@ -44,18 +43,17 @@ var (
)
type openshiftConnector struct {
apiURL string
redirectURI string
clientID string
clientSecret string
cancel context.CancelFunc
logger log.Logger
httpClient *http.Client
oauth2Config *oauth2.Config
insecureCA bool
rootCA string
includeSystemRootCAs bool
groups []string
apiURL string
redirectURI string
clientID string
clientSecret string
cancel context.CancelFunc
logger log.Logger
httpClient *http.Client
oauth2Config *oauth2.Config
insecureCA bool
rootCA string
groups []string
}
type user struct {
@ -69,27 +67,34 @@ type user struct {
// Open returns a connector which can be used to login users through an upstream
// OpenShift OAuth2 provider.
func (c *Config) Open(id string, logger log.Logger) (conn connector.Connector, err error) {
httpClient, err := newHTTPClient(c.InsecureCA, c.RootCA)
if err != nil {
return nil, fmt.Errorf("failed to create HTTP client: %w", err)
}
return c.OpenWithHTTPClient(id, logger, httpClient)
}
// OpenWithHTTPClient returns a connector which can be used to login users through an upstream
// OpenShift OAuth2 provider. It provides the ability to inject a http.Client.
func (c *Config) OpenWithHTTPClient(id string, logger log.Logger,
httpClient *http.Client) (conn connector.Connector, err error) {
ctx, cancel := context.WithCancel(context.Background())
wellKnownURL := strings.TrimSuffix(c.Issuer, "/") + wellKnownURLPath
req, err := http.NewRequest(http.MethodGet, wellKnownURL, nil)
openshiftConnector := openshiftConnector{
apiURL: c.Issuer,
cancel: cancel,
clientID: c.ClientID,
clientSecret: c.ClientSecret,
insecureCA: c.InsecureCA,
logger: logger,
redirectURI: c.RedirectURI,
rootCA: c.RootCA,
includeSystemRootCAs: c.IncludeSystemRootCAs,
groups: c.Groups,
}
if openshiftConnector.httpClient, err = newHTTPClient(c.InsecureCA, c.RootCA, c.IncludeSystemRootCAs); err != nil {
cancel()
return nil, fmt.Errorf("failed to create HTTP client: %v", err)
apiURL: c.Issuer,
cancel: cancel,
clientID: c.ClientID,
clientSecret: c.ClientSecret,
insecureCA: c.InsecureCA,
logger: logger,
redirectURI: c.RedirectURI,
rootCA: c.RootCA,
groups: c.Groups,
httpClient: httpClient,
}
var metadata struct {
@ -100,14 +105,14 @@ func (c *Config) Open(id string, logger log.Logger) (conn connector.Connector, e
resp, err := openshiftConnector.httpClient.Do(req.WithContext(ctx))
if err != nil {
cancel()
return nil, fmt.Errorf("failed to query OpenShift endpoint %v", err)
return nil, fmt.Errorf("failed to query OpenShift endpoint %w", err)
}
defer resp.Body.Close()
if err := json.NewDecoder(resp.Body).Decode(&metadata); err != nil {
cancel()
return nil, fmt.Errorf("discovery through endpoint %s failed to decode body: %v",
return nil, fmt.Errorf("discovery through endpoint %s failed to decode body: %w",
wellKnownURL, err)
}
@ -131,7 +136,8 @@ func (c *openshiftConnector) Close() error {
// LoginURL returns the URL to redirect the user to login with.
func (c *openshiftConnector) LoginURL(scopes connector.Scopes, callbackURL, state string) (string, error) {
if c.redirectURI != callbackURL {
return "", fmt.Errorf("expected callback URL %q did not match the URL in the config %q", callbackURL, c.redirectURI)
return "", fmt.Errorf("expected callback URL %q did not match the URL in the config %q",
callbackURL, c.redirectURI)
}
return c.oauth2Config.AuthCodeURL(state), nil
}
@ -149,7 +155,8 @@ func (e *oauth2Error) Error() string {
}
// HandleCallback parses the request and returns the user's identity
func (c *openshiftConnector) HandleCallback(s connector.Scopes, r *http.Request) (identity connector.Identity, err error) {
func (c *openshiftConnector) HandleCallback(s connector.Scopes,
r *http.Request) (identity connector.Identity, err error) {
q := r.URL.Query()
if errType := q.Get("error"); errType != "" {
return identity, &oauth2Error{errType, q.Get("error_description")}
@ -168,7 +175,8 @@ func (c *openshiftConnector) HandleCallback(s connector.Scopes, r *http.Request)
return c.identity(ctx, s, token)
}
func (c *openshiftConnector) Refresh(ctx context.Context, s connector.Scopes, oldID connector.Identity) (connector.Identity, error) {
func (c *openshiftConnector) Refresh(ctx context.Context, s connector.Scopes,
oldID connector.Identity) (connector.Identity, error) {
var token oauth2.Token
err := json.Unmarshal(oldID.ConnectorData, &token)
if err != nil {
@ -180,7 +188,8 @@ func (c *openshiftConnector) Refresh(ctx context.Context, s connector.Scopes, ol
return c.identity(ctx, s, &token)
}
func (c *openshiftConnector) identity(ctx context.Context, s connector.Scopes, token *oauth2.Token) (identity connector.Identity, err error) {
func (c *openshiftConnector) identity(ctx context.Context, s connector.Scopes,
token *oauth2.Token) (identity connector.Identity, err error) {
client := c.oauth2Config.Client(ctx, token)
user, err := c.user(ctx, client)
if err != nil {
@ -251,21 +260,12 @@ func validateAllowedGroups(userGroups, allowedGroups []string) bool {
}
// newHTTPClient returns a new HTTP client
func newHTTPClient(insecureCA bool, rootCA string, includeSystemRootCAs bool) (*http.Client, error) {
func newHTTPClient(insecureCA bool, rootCA string) (*http.Client, error) {
tlsConfig := tls.Config{}
if insecureCA {
tlsConfig = tls.Config{InsecureSkipVerify: true}
} else if rootCA != "" {
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}
}
tlsConfig = tls.Config{RootCAs: x509.NewCertPool()}
rootCABytes, err := os.ReadFile(rootCA)
if err != nil {
return nil, fmt.Errorf("failed to read root-ca: %w", err)

10
connector/openshift/openshift_test.go
View File

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