mirror of
https://github.com/lukaszraczylo/traefikoidc.git
synced 2026-10-15 04:18:03 +00:00
fixup! Cleanup tests.
This commit is contained in:
+514
@@ -0,0 +1,514 @@
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package traefikoidc
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import (
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"context"
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"crypto/sha256"
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"encoding/base64"
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"io"
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"net/http"
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"net/http/httptest"
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"net/url"
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"testing"
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"time"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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func TestPKCEGeneration(t *testing.T) {
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tests := []struct {
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name string
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test func(t *testing.T)
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}{
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{
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name: "generateCodeVerifier creates valid verifier",
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test: func(t *testing.T) {
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verifier, err := generateCodeVerifier()
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require.NoError(t, err)
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// RFC 7636: code_verifier must be 43-128 characters
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assert.GreaterOrEqual(t, len(verifier), 43)
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assert.LessOrEqual(t, len(verifier), 128)
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// Should be base64url encoded (no padding, no +/)
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assert.NotContains(t, verifier, "=")
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assert.NotContains(t, verifier, "+")
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assert.NotContains(t, verifier, "/")
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// Should be URL safe
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assert.Equal(t, url.QueryEscape(verifier), verifier)
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},
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},
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{
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name: "generateCodeVerifier creates unique values",
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test: func(t *testing.T) {
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verifiers := make(map[string]bool)
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for i := 0; i < 100; i++ {
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v, err := generateCodeVerifier()
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require.NoError(t, err)
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assert.False(t, verifiers[v], "Generated duplicate code verifier")
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verifiers[v] = true
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}
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},
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},
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{
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name: "deriveCodeChallenge creates valid S256 challenge",
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test: func(t *testing.T) {
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verifier := "dBjftJeZ4CVP-mB92K27uhbUJU1p1r_wW1gFWFOEjXk"
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challenge := deriveCodeChallenge(verifier)
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// Expected challenge for the test verifier (from RFC 7636 example)
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expected := "E9Melhoa2OwvFrEMTJguCHaoeK1t8URWbuGJSstw-cM"
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assert.Equal(t, expected, challenge)
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// Should be base64url encoded
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assert.NotContains(t, challenge, "=")
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assert.NotContains(t, challenge, "+")
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assert.NotContains(t, challenge, "/")
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},
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},
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{
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name: "deriveCodeChallenge handles empty verifier",
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test: func(t *testing.T) {
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challenge := deriveCodeChallenge("")
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// SHA256 of empty string, base64url encoded
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h := sha256.Sum256([]byte(""))
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expected := base64.RawURLEncoding.EncodeToString(h[:])
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assert.Equal(t, expected, challenge)
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},
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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tt.test(t)
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})
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}
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}
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func TestPKCEAuthorizationFlow(t *testing.T) {
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tests := []struct {
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name string
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enablePKCE bool
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test func(t *testing.T, authURL string)
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}{
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{
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name: "PKCE enabled adds code_challenge parameters",
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enablePKCE: true,
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test: func(t *testing.T, authURL string) {
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u, err := url.Parse(authURL)
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require.NoError(t, err)
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params := u.Query()
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// Should have code_challenge and code_challenge_method
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assert.NotEmpty(t, params.Get("code_challenge"))
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assert.Equal(t, "S256", params.Get("code_challenge_method"))
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// Code challenge should be properly formatted
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challenge := params.Get("code_challenge")
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assert.NotContains(t, challenge, "=")
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assert.NotContains(t, challenge, "+")
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assert.NotContains(t, challenge, "/")
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assert.Greater(t, len(challenge), 0)
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},
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},
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{
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name: "PKCE disabled omits code_challenge parameters",
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enablePKCE: false,
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test: func(t *testing.T, authURL string) {
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u, err := url.Parse(authURL)
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require.NoError(t, err)
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params := u.Query()
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// Should not have PKCE parameters
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assert.Empty(t, params.Get("code_challenge"))
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assert.Empty(t, params.Get("code_challenge_method"))
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},
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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// Setup test environment
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config := createTestConfig()
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config.EnablePKCE = tt.enablePKCE
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oidc, _ := setupTestOIDCMiddleware(t, config)
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oidc.enablePKCE = tt.enablePKCE
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// Create test request
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req := httptest.NewRequest("GET", "/protected", nil)
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rec := httptest.NewRecorder()
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// Trigger authentication
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oidc.ServeHTTP(rec, req)
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// Check redirect
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assert.Equal(t, http.StatusFound, rec.Code)
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location := rec.Header().Get("Location")
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assert.NotEmpty(t, location)
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// Run test specific checks
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tt.test(t, location)
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})
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}
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}
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func TestPKCESessionManagement(t *testing.T) {
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tests := []struct {
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name string
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test func(t *testing.T)
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}{
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{
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name: "stores and retrieves code verifier in session",
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test: func(t *testing.T) {
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session := createTestSession()
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verifier, err := generateCodeVerifier()
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require.NoError(t, err)
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// Store verifier
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session.SetCodeVerifier(verifier)
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// Retrieve verifier
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retrieved := session.GetCodeVerifier()
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assert.Equal(t, verifier, retrieved)
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},
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},
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{
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name: "code verifier persists through session operations",
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test: func(t *testing.T) {
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session := createTestSession()
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verifier, err := generateCodeVerifier()
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require.NoError(t, err)
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// Store verifier and other data
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session.SetCodeVerifier(verifier)
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session.SetAccessToken("test-access-token")
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session.SetIDToken("test-id-token")
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// Verifier should still be there
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assert.Equal(t, verifier, session.GetCodeVerifier())
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},
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},
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{
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name: "code verifier cleared after token exchange",
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test: func(t *testing.T) {
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config := createTestConfig()
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config.EnablePKCE = true
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oidc, server := setupTestOIDCMiddleware(t, config)
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defer server.Close()
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oidc.enablePKCE = true
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// Create session with code verifier
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session := createTestSession()
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verifier, err := generateCodeVerifier()
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require.NoError(t, err)
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session.SetCodeVerifier(verifier)
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// Simulate callback with code
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req := httptest.NewRequest("GET", config.CallbackURL+"?code=test-code&state=test-state", nil)
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rec := httptest.NewRecorder()
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// Add session cookie
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// For testing, we would need to add the session to the request
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// This is a simplified approach - in real tests, use proper session injection
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// Handle callback
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oidc.ServeHTTP(rec, req)
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// Verify code verifier was used and cleared
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// Note: In real implementation, this would be cleared after successful exchange
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// This test verifies the session flow
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assert.NotNil(t, session)
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},
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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tt.test(t)
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})
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}
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}
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func TestPKCETokenExchange(t *testing.T) {
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tests := []struct {
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name string
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enablePKCE bool
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codeVerifier string
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expectParam bool
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}{
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{
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name: "includes code_verifier when PKCE enabled",
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enablePKCE: true,
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codeVerifier: "test-verifier-123",
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expectParam: true,
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},
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{
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name: "omits code_verifier when PKCE disabled",
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enablePKCE: false,
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codeVerifier: "",
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expectParam: false,
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},
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{
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name: "omits code_verifier when empty even if PKCE enabled",
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enablePKCE: true,
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codeVerifier: "",
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expectParam: false,
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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// Create a test server to capture the token exchange request
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var capturedBody string
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tokenServer := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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body, _ := io.ReadAll(r.Body)
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capturedBody = string(body)
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// Return mock tokens
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w.Header().Set("Content-Type", "application/json")
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w.Write([]byte(`{
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"access_token": "test-access-token",
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"id_token": "` + ValidIDToken + `",
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"token_type": "bearer",
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"expires_in": 3600
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}`))
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}))
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defer tokenServer.Close()
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// Setup OIDC with custom token endpoint
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config := createTestConfig()
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config.EnablePKCE = tt.enablePKCE
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oidc, _ := setupTestOIDCMiddleware(t, config)
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oidc.tokenURL = tokenServer.URL
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// Exchange tokens
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_, err := oidc.ExchangeCodeForToken(
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context.Background(),
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"authorization_code",
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"test-code",
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config.CallbackURL,
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tt.codeVerifier,
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)
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require.NoError(t, err)
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// Check if code_verifier was included
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if tt.expectParam {
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assert.Contains(t, capturedBody, "code_verifier="+tt.codeVerifier)
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} else {
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assert.NotContains(t, capturedBody, "code_verifier")
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}
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})
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}
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}
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func TestPKCEEndToEndFlow(t *testing.T) {
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// Setup test environment
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config := createTestConfig()
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config.EnablePKCE = true
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oidc, server := setupTestOIDCMiddleware(t, config)
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defer server.Close()
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oidc.enablePKCE = true
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// Generate a code verifier for testing
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testCodeVerifier, err := generateCodeVerifier()
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require.NoError(t, err)
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testCodeChallenge := deriveCodeChallenge(testCodeVerifier)
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// Mock the token exchange to verify code_verifier is sent
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var receivedVerifier string
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tokenServer := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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r.ParseForm()
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receivedVerifier = r.Form.Get("code_verifier")
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// Return mock tokens
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w.Header().Set("Content-Type", "application/json")
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w.Write([]byte(`{
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"access_token": "test-access-token",
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"id_token": "` + ValidIDToken + `",
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"token_type": "bearer",
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"expires_in": 3600
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}`))
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}))
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defer tokenServer.Close()
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oidc.tokenURL = tokenServer.URL
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// Mock the token verifier to avoid JWKS lookup
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oidc.tokenVerifier = &mockTokenVerifier{
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verifyFunc: func(token string) error {
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// Always return success for test tokens
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claims, err := extractClaims(token)
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if err != nil {
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return err
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}
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// Cache the claims for the token
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oidc.tokenCache.Set(token, claims, time.Hour)
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return nil
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},
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}
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// Step 1: Simulate the callback directly with a pre-configured session
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// This bypasses the session persistence issue in the test environment
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callbackReq := httptest.NewRequest("GET", config.CallbackURL+"?code=test-code&state=test-state", nil)
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callbackRec := httptest.NewRecorder()
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// Get a session and set it up as if the auth flow had started
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session, err := oidc.sessionManager.GetSession(callbackReq)
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require.NoError(t, err)
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// Set up the session as the auth initiation would have done
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session.SetCSRF("test-state")
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session.SetNonce("nonce123") // Must match the nonce in ValidIDToken
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session.SetCodeVerifier(testCodeVerifier)
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session.SetIncomingPath("/protected")
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// Save the session
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err = session.Save(callbackReq, callbackRec)
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require.NoError(t, err)
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// Create a new request with the session cookies
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callbackReq2 := httptest.NewRequest("GET", config.CallbackURL+"?code=test-code&state=test-state", nil)
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for _, cookie := range callbackRec.Result().Cookies() {
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callbackReq2.AddCookie(cookie)
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}
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callbackRec2 := httptest.NewRecorder()
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// Handle callback
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oidc.ServeHTTP(callbackRec2, callbackReq2)
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// Verify successful authentication
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assert.Equal(t, http.StatusFound, callbackRec2.Code)
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assert.Equal(t, testCodeVerifier, receivedVerifier, "Code verifier should be sent in token exchange")
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// Also test the authorization URL building with PKCE
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authURL := oidc.buildAuthURL("http://example.com/callback", "test-csrf", "test-nonce", testCodeChallenge)
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parsedURL, err := url.Parse(authURL)
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require.NoError(t, err)
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assert.Equal(t, testCodeChallenge, parsedURL.Query().Get("code_challenge"))
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assert.Equal(t, "S256", parsedURL.Query().Get("code_challenge_method"))
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}
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func TestPKCESecurityEdgeCases(t *testing.T) {
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tests := []struct {
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name string
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test func(t *testing.T)
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}{
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{
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name: "rejects callback without matching state",
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test: func(t *testing.T) {
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config := createTestConfig()
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config.EnablePKCE = true
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oidc, _ := setupTestOIDCMiddleware(t, config)
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oidc.enablePKCE = true
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// Create callback request with wrong state
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req := httptest.NewRequest("GET", config.CallbackURL+"?code=test-code&state=wrong-state", nil)
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rec := httptest.NewRecorder()
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oidc.ServeHTTP(rec, req)
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// Should reject due to state mismatch
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assert.Equal(t, http.StatusBadRequest, rec.Code)
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},
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},
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{
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name: "handles missing code_verifier gracefully",
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test: func(t *testing.T) {
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config := createTestConfig()
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config.EnablePKCE = true
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oidc, server := setupTestOIDCMiddleware(t, config)
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defer server.Close()
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// Create session without code verifier
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session := createTestSession()
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session.mainSession.Values["state"] = "test-state"
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// Intentionally not setting code verifier
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req := httptest.NewRequest("GET", config.CallbackURL+"?code=test-code&state=test-state", nil)
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rec := httptest.NewRecorder()
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// Add session
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// For testing, we would need to add the session to the request
|
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// This is a simplified approach - in real tests, use proper session injection
|
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// Should handle gracefully even without verifier
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oidc.ServeHTTP(rec, req)
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// The actual behavior depends on provider - some may reject, others may accept
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// The important thing is no panic/crash
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assert.NotNil(t, rec)
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},
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},
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{
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name: "code verifier is single use",
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test: func(t *testing.T) {
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session := createTestSession()
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verifier, err := generateCodeVerifier()
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require.NoError(t, err)
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// Set verifier
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session.SetCodeVerifier(verifier)
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assert.Equal(t, verifier, session.GetCodeVerifier())
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// In real flow, it would be cleared after use
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// This test verifies the concept
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session.SetCodeVerifier("")
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assert.Empty(t, session.GetCodeVerifier())
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},
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},
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}
|
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|
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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tt.test(t)
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})
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}
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}
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func TestPKCECompatibilityWithProviders(t *testing.T) {
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providers := []struct {
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name string
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providerType string
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supportsPKCE bool
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}{
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{"Google", "google", true},
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{"Azure", "azure", true},
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{"Generic", "generic", true},
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}
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for _, provider := range providers {
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t.Run(provider.name+" provider with PKCE", func(t *testing.T) {
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config := createTestConfig()
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config.EnablePKCE = true
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config.ProviderURL = "https://" + provider.providerType + ".example.com"
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|
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oidc, _ := setupTestOIDCMiddleware(t, config)
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oidc.enablePKCE = true
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|
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// Test auth URL generation
|
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req := httptest.NewRequest("GET", "/protected", nil)
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rec := httptest.NewRecorder()
|
||||
|
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oidc.ServeHTTP(rec, req)
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|
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if provider.supportsPKCE {
|
||||
location := rec.Header().Get("Location")
|
||||
assert.Contains(t, location, "code_challenge")
|
||||
assert.Contains(t, location, "code_challenge_method=S256")
|
||||
}
|
||||
})
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user