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revert: init introspect http client once #722

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merged 1 commit into from
May 8, 2021
Merged

revert: init introspect http client once #722

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69 changes: 34 additions & 35 deletions pipeline/authn/authenticator_oauth2_introspection.go
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Original file line number Diff line number Diff line change
Expand Up @@ -70,7 +70,8 @@ type AuthenticatorOAuth2Introspection struct {
}

func NewAuthenticatorOAuth2Introspection(c configuration.Provider, logger *logrusx.Logger) *AuthenticatorOAuth2Introspection {
return &AuthenticatorOAuth2Introspection{c: c, logger: logger}
var rt http.RoundTripper
return &AuthenticatorOAuth2Introspection{c: c, client: httpx.NewResilientClientLatencyToleranceSmall(rt), logger: logger}
}

func (a *AuthenticatorOAuth2Introspection) GetID() string {
Expand Down Expand Up @@ -261,49 +262,47 @@ func (a *AuthenticatorOAuth2Introspection) Config(config json.RawMessage) (*Auth
return nil, NewErrAuthenticatorMisconfigured(a, err)
}

if a.client == nil {
a.logger.Debug("Initializing http client")
var rt http.RoundTripper
if c.PreAuth != nil && c.PreAuth.Enabled {
var ep url.Values
var rt http.RoundTripper

if c.PreAuth.Audience != "" {
ep = url.Values{"audience": {c.PreAuth.Audience}}
}
if c.PreAuth != nil && c.PreAuth.Enabled {
var ep url.Values

rt = (&clientcredentials.Config{
ClientID: c.PreAuth.ClientID,
ClientSecret: c.PreAuth.ClientSecret,
Scopes: c.PreAuth.Scope,
EndpointParams: ep,
TokenURL: c.PreAuth.TokenURL,
}).Client(context.Background()).Transport
if c.PreAuth.Audience != "" {
ep = url.Values{"audience": {c.PreAuth.Audience}}
}

if c.Retry == nil {
c.Retry = &AuthenticatorOAuth2IntrospectionRetryConfiguration{Timeout: "500ms", MaxWait: "1s"}
} else {
if c.Retry.Timeout == "" {
c.Retry.Timeout = "500ms"
}
if c.Retry.MaxWait == "" {
c.Retry.MaxWait = "1s"
}
}
duration, err := time.ParseDuration(c.Retry.Timeout)
if err != nil {
return nil, err
}
timeout := time.Millisecond * duration
rt = (&clientcredentials.Config{
ClientID: c.PreAuth.ClientID,
ClientSecret: c.PreAuth.ClientSecret,
Scopes: c.PreAuth.Scope,
EndpointParams: ep,
TokenURL: c.PreAuth.TokenURL,
}).Client(context.Background()).Transport
}

maxWait, err := time.ParseDuration(c.Retry.MaxWait)
if err != nil {
return nil, err
if c.Retry == nil {
c.Retry = &AuthenticatorOAuth2IntrospectionRetryConfiguration{Timeout: "500ms", MaxWait: "1s"}
} else {
if c.Retry.Timeout == "" {
c.Retry.Timeout = "500ms"
}
if c.Retry.MaxWait == "" {
c.Retry.MaxWait = "1s"
}
}
duration, err := time.ParseDuration(c.Retry.Timeout)
if err != nil {
return nil, err
}
timeout := time.Millisecond * duration

a.client = httpx.NewResilientClientLatencyToleranceConfigurable(rt, timeout, maxWait)
maxWait, err := time.ParseDuration(c.Retry.MaxWait)
if err != nil {
return nil, err
}

a.client = httpx.NewResilientClientLatencyToleranceConfigurable(rt, timeout, maxWait)

if c.Cache.TTL != "" {
cacheTTL, err := time.ParseDuration(c.Cache.TTL)
if err != nil {
Expand Down
6 changes: 1 addition & 5 deletions pipeline/authn/authenticator_oauth2_introspection_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -555,12 +555,8 @@ func TestAuthenticatorOAuth2Introspection(t *testing.T) {
tc.config, _ = sjson.SetBytes(tc.config, "introspection_url", ts.URL+"/oauth2/introspect")
tc.config, _ = sjson.SetBytes(tc.config, "pre_authorization.token_url", ts.URL+"/oauth2/token")

//reinitialize authenticator so client will be reinitialized in authenticator
reg := internal.NewRegistry(conf)
a, err := reg.PipelineAuthenticator("oauth2_introspection")

sess := new(AuthenticationSession)
err = a.Authenticate(tc.r, sess, tc.config, nil)
err := a.Authenticate(tc.r, sess, tc.config, nil)
if tc.expectErr {
require.Error(t, err)
if tc.expectExactErr != nil {
Expand Down