mirror of
https://github.com/lukaszraczylo/traefikoidc.git
synced 2026-10-14 04:07:46 +00:00
Splitting code into multiple files with reasonable testing coverage.
```
ok github.com/lukaszraczylo/traefikoidc 117.017s coverage: 72.6% of statements
ok github.com/lukaszraczylo/traefikoidc/auth 0.505s coverage: 87.1% of statements
ok github.com/lukaszraczylo/traefikoidc/circuit_breaker 0.283s coverage: 99.0% of statements
github.com/lukaszraczylo/traefikoidc/config coverage: 0.0% of statements
ok github.com/lukaszraczylo/traefikoidc/handlers 0.349s coverage: 98.2% of statements
ok github.com/lukaszraczylo/traefikoidc/internal/providers (cached) coverage: 94.3% of statements
ok github.com/lukaszraczylo/traefikoidc/middleware 0.808s coverage: 78.0% of statements
ok github.com/lukaszraczylo/traefikoidc/recovery 0.653s coverage: 100.0% of statements
ok github.com/lukaszraczylo/traefikoidc/session/chunking (cached) coverage: 87.8% of statements
ok github.com/lukaszraczylo/traefikoidc/session/core (cached) coverage: 85.6% of statements
ok github.com/lukaszraczylo/traefikoidc/session/crypto (cached) coverage: 81.8% of statements
ok github.com/lukaszraczylo/traefikoidc/session/storage (cached) coverage: 93.5% of statements
ok github.com/lukaszraczylo/traefikoidc/session/validators (cached) coverage: 98.8% of statements
````
This commit is contained in:
@@ -0,0 +1,360 @@
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// Package auth provides authentication-related functionality for the OIDC middleware.
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package auth
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import (
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"fmt"
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"net"
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"net/http"
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"net/url"
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"strings"
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"github.com/google/uuid"
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)
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// AuthHandler provides core authentication functionality for OIDC flows
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type AuthHandler struct {
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logger Logger
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enablePKCE bool
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isGoogleProv func() bool
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isAzureProv func() bool
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clientID string
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authURL string
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issuerURL string
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scopes []string
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overrideScopes bool
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}
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// Logger interface for dependency injection
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type Logger interface {
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Debugf(format string, args ...interface{})
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Errorf(format string, args ...interface{})
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}
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// NewAuthHandler creates a new AuthHandler instance
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func NewAuthHandler(logger Logger, enablePKCE bool, isGoogleProv, isAzureProv func() bool,
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clientID, authURL, issuerURL string, scopes []string, overrideScopes bool) *AuthHandler {
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return &AuthHandler{
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logger: logger,
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enablePKCE: enablePKCE,
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isGoogleProv: isGoogleProv,
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isAzureProv: isAzureProv,
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clientID: clientID,
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authURL: authURL,
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issuerURL: issuerURL,
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scopes: scopes,
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overrideScopes: overrideScopes,
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}
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}
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// InitiateAuthentication initiates the OIDC authentication flow.
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// It generates CSRF tokens, nonce, PKCE parameters (if enabled), clears the session,
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// stores authentication state, and redirects the user to the OIDC provider.
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func (h *AuthHandler) InitiateAuthentication(rw http.ResponseWriter, req *http.Request,
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session SessionData, redirectURL string,
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generateNonce, generateCodeVerifier, deriveCodeChallenge func() (string, error)) {
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h.logger.Debugf("Initiating new OIDC authentication flow for request: %s", req.URL.RequestURI())
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const maxRedirects = 5
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redirectCount := session.GetRedirectCount()
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if redirectCount >= maxRedirects {
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h.logger.Errorf("Maximum redirect limit (%d) exceeded, possible redirect loop detected", maxRedirects)
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session.ResetRedirectCount()
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http.Error(rw, "Authentication failed: Too many redirects", http.StatusLoopDetected)
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return
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}
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session.IncrementRedirectCount()
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csrfToken := uuid.NewString()
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nonce, err := generateNonce()
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if err != nil {
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h.logger.Errorf("Failed to generate nonce: %v", err)
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http.Error(rw, "Failed to generate nonce", http.StatusInternalServerError)
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return
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}
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// Generate PKCE code verifier and challenge if PKCE is enabled
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var codeVerifier, codeChallenge string
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if h.enablePKCE {
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codeVerifier, err = generateCodeVerifier()
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if err != nil {
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h.logger.Errorf("Failed to generate code verifier: %v", err)
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http.Error(rw, "Failed to generate code verifier", http.StatusInternalServerError)
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return
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}
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codeChallenge, err = deriveCodeChallenge()
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if err != nil {
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h.logger.Errorf("Failed to generate code challenge: %v", err)
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http.Error(rw, "Failed to generate code challenge", http.StatusInternalServerError)
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return
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}
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h.logger.Debugf("PKCE enabled, generated code challenge")
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}
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session.SetAuthenticated(false)
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session.SetEmail("")
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session.SetAccessToken("")
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session.SetRefreshToken("")
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session.SetIDToken("")
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session.SetNonce("")
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session.SetCodeVerifier("")
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session.SetCSRF(csrfToken)
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session.SetNonce(nonce)
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if h.enablePKCE {
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session.SetCodeVerifier(codeVerifier)
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}
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session.SetIncomingPath(req.URL.RequestURI())
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h.logger.Debugf("Storing incoming path: %s", req.URL.RequestURI())
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session.MarkDirty()
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if err := session.Save(req, rw); err != nil {
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h.logger.Errorf("Failed to save session before redirecting to provider: %v", err)
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http.Error(rw, "Failed to save session", http.StatusInternalServerError)
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return
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}
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h.logger.Debugf("Session saved before redirect. CSRF: %s, Nonce: %s",
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csrfToken, nonce)
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authURL := h.BuildAuthURL(redirectURL, csrfToken, nonce, codeChallenge)
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h.logger.Debugf("Redirecting user to OIDC provider: %s", authURL)
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http.Redirect(rw, req, authURL, http.StatusFound)
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}
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// BuildAuthURL constructs the OIDC provider authorization URL.
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// It builds the URL with all necessary parameters including client_id, scopes,
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// PKCE parameters, and provider-specific parameters for Google and Azure.
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func (h *AuthHandler) BuildAuthURL(redirectURL, state, nonce, codeChallenge string) string {
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params := url.Values{}
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params.Set("client_id", h.clientID)
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params.Set("response_type", "code")
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params.Set("redirect_uri", redirectURL)
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params.Set("state", state)
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params.Set("nonce", nonce)
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if h.enablePKCE && codeChallenge != "" {
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params.Set("code_challenge", codeChallenge)
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params.Set("code_challenge_method", "S256")
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}
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scopes := make([]string, len(h.scopes))
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copy(scopes, h.scopes)
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if h.isGoogleProv() {
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params.Set("access_type", "offline")
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h.logger.Debugf("Google OIDC provider detected, added access_type=offline for refresh tokens")
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params.Set("prompt", "consent")
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h.logger.Debugf("Google OIDC provider detected, added prompt=consent to ensure refresh tokens")
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} else if h.isAzureProv() {
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params.Set("response_mode", "query")
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h.logger.Debugf("Azure AD provider detected, added response_mode=query")
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hasOfflineAccess := false
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for _, scope := range scopes {
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if scope == "offline_access" {
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hasOfflineAccess = true
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break
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}
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}
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if !h.overrideScopes || (h.overrideScopes && len(h.scopes) == 0) {
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if !hasOfflineAccess {
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scopes = append(scopes, "offline_access")
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h.logger.Debugf("Azure AD provider: Added offline_access scope (overrideScopes: %t, user scopes count: %d)", h.overrideScopes, len(h.scopes))
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}
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} else {
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h.logger.Debugf("Azure AD provider: User is overriding scopes (count: %d), offline_access not automatically added.", len(h.scopes))
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}
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} else {
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if !h.overrideScopes || (h.overrideScopes && len(h.scopes) == 0) {
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hasOfflineAccess := false
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for _, scope := range scopes {
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if scope == "offline_access" {
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hasOfflineAccess = true
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break
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}
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}
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if !hasOfflineAccess {
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scopes = append(scopes, "offline_access")
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h.logger.Debugf("Standard provider: Added offline_access scope (overrideScopes: %t, user scopes count: %d)", h.overrideScopes, len(h.scopes))
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}
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} else {
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h.logger.Debugf("Standard provider: User is overriding scopes (count: %d), offline_access not automatically added.", len(h.scopes))
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}
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}
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if len(scopes) > 0 {
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finalScopeString := strings.Join(scopes, " ")
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params.Set("scope", finalScopeString)
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h.logger.Debugf("AuthHandler.BuildAuthURL: Final scope string being sent to OIDC provider: %s", finalScopeString)
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}
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return h.buildURLWithParams(h.authURL, params)
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}
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// buildURLWithParams constructs a URL by combining a base URL with query parameters.
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// It handles both relative and absolute URLs, validates URL security,
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// and properly encodes query parameters.
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func (h *AuthHandler) buildURLWithParams(baseURL string, params url.Values) string {
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if baseURL != "" {
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if strings.HasPrefix(baseURL, "http://") || strings.HasPrefix(baseURL, "https://") {
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if err := h.validateURL(baseURL); err != nil {
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h.logger.Errorf("URL validation failed for %s: %v", baseURL, err)
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return ""
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}
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}
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}
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if !strings.HasPrefix(baseURL, "http://") && !strings.HasPrefix(baseURL, "https://") {
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issuerURLParsed, err := url.Parse(h.issuerURL)
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if err != nil {
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h.logger.Errorf("Could not parse issuerURL: %s. Error: %v", h.issuerURL, err)
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return ""
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}
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baseURLParsed, err := url.Parse(baseURL)
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if err != nil {
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h.logger.Errorf("Could not parse baseURL: %s. Error: %v", baseURL, err)
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return ""
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}
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resolvedURL := issuerURLParsed.ResolveReference(baseURLParsed)
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if err := h.validateURL(resolvedURL.String()); err != nil {
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h.logger.Errorf("Resolved URL validation failed for %s: %v", resolvedURL.String(), err)
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return ""
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}
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resolvedURL.RawQuery = params.Encode()
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return resolvedURL.String()
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}
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u, err := url.Parse(baseURL)
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if err != nil {
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h.logger.Errorf("Could not parse absolute baseURL: %s. Error: %v", baseURL, err)
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return ""
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}
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if err := h.validateParsedURL(u); err != nil {
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h.logger.Errorf("Parsed URL validation failed for %s: %v", baseURL, err)
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return ""
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}
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u.RawQuery = params.Encode()
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return u.String()
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}
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// validateURL performs security validation on URLs to prevent SSRF attacks.
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// It checks for allowed schemes, validates hosts, and prevents access to private networks.
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func (h *AuthHandler) validateURL(urlStr string) error {
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if urlStr == "" {
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return fmt.Errorf("empty URL")
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}
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u, err := url.Parse(urlStr)
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if err != nil {
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return fmt.Errorf("invalid URL format: %w", err)
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}
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return h.validateParsedURL(u)
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}
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// validateParsedURL validates a parsed URL structure for security.
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// It checks schemes, hosts, and paths to prevent malicious URLs.
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func (h *AuthHandler) validateParsedURL(u *url.URL) error {
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allowedSchemes := map[string]bool{
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"https": true,
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"http": true,
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}
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if !allowedSchemes[u.Scheme] {
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return fmt.Errorf("disallowed URL scheme: %s", u.Scheme)
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}
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if u.Scheme == "http" {
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h.logger.Debugf("Warning: Using HTTP scheme for URL: %s", u.String())
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}
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if u.Host == "" {
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return fmt.Errorf("missing host in URL")
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}
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if err := h.validateHost(u.Host); err != nil {
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return fmt.Errorf("invalid host: %w", err)
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}
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if strings.Contains(u.Path, "..") {
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return fmt.Errorf("path traversal detected in URL path")
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}
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return nil
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}
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// validateHost validates a hostname for security and reachability.
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// It prevents access to private networks and localhost addresses.
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func (h *AuthHandler) validateHost(host string) error {
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if host == "" {
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return fmt.Errorf("empty host")
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}
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// Strip port if present
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if strings.Contains(host, ":") {
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var err error
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host, _, err = net.SplitHostPort(host)
|
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if err != nil {
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return fmt.Errorf("invalid host:port format: %w", err)
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}
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}
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// Check for localhost variations
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localhostVariations := []string{
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"localhost", "127.0.0.1", "::1", "0.0.0.0",
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||||
}
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for _, localhost := range localhostVariations {
|
||||
if strings.EqualFold(host, localhost) {
|
||||
return fmt.Errorf("localhost access not allowed: %s", host)
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||||
}
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||||
}
|
||||
|
||||
// Try to parse as IP address
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if ip := net.ParseIP(host); ip != nil {
|
||||
if ip.IsLoopback() {
|
||||
return fmt.Errorf("loopback IP not allowed: %s", host)
|
||||
}
|
||||
if ip.IsPrivate() {
|
||||
return fmt.Errorf("private IP not allowed: %s", host)
|
||||
}
|
||||
if ip.IsLinkLocalUnicast() {
|
||||
return fmt.Errorf("link-local IP not allowed: %s", host)
|
||||
}
|
||||
if ip.IsMulticast() {
|
||||
return fmt.Errorf("multicast IP not allowed: %s", host)
|
||||
}
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
// SessionData interface for dependency injection
|
||||
type SessionData interface {
|
||||
GetRedirectCount() int
|
||||
ResetRedirectCount()
|
||||
IncrementRedirectCount()
|
||||
SetAuthenticated(bool)
|
||||
SetEmail(string)
|
||||
SetAccessToken(string)
|
||||
SetRefreshToken(string)
|
||||
SetIDToken(string)
|
||||
SetNonce(string)
|
||||
SetCodeVerifier(string)
|
||||
SetCSRF(string)
|
||||
SetIncomingPath(string)
|
||||
MarkDirty()
|
||||
Save(req *http.Request, rw http.ResponseWriter) error
|
||||
}
|
||||
@@ -0,0 +1,923 @@
|
||||
package auth
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"net/http"
|
||||
"net/http/httptest"
|
||||
"net/url"
|
||||
"strings"
|
||||
"sync"
|
||||
"testing"
|
||||
)
|
||||
|
||||
// Mock logger for testing
|
||||
type mockLogger struct {
|
||||
debugLogs []string
|
||||
errorLogs []string
|
||||
mu sync.RWMutex
|
||||
}
|
||||
|
||||
func (m *mockLogger) Debugf(format string, args ...interface{}) {
|
||||
m.mu.Lock()
|
||||
defer m.mu.Unlock()
|
||||
m.debugLogs = append(m.debugLogs, fmt.Sprintf(format, args...))
|
||||
}
|
||||
|
||||
func (m *mockLogger) Errorf(format string, args ...interface{}) {
|
||||
m.mu.Lock()
|
||||
defer m.mu.Unlock()
|
||||
m.errorLogs = append(m.errorLogs, fmt.Sprintf(format, args...))
|
||||
}
|
||||
|
||||
//lint:ignore U1000 May be needed for future debug log verification tests
|
||||
func (m *mockLogger) getDebugLogs() []string {
|
||||
m.mu.RLock()
|
||||
defer m.mu.RUnlock()
|
||||
result := make([]string, len(m.debugLogs))
|
||||
copy(result, m.debugLogs)
|
||||
return result
|
||||
}
|
||||
|
||||
func (m *mockLogger) getErrorLogs() []string {
|
||||
m.mu.RLock()
|
||||
defer m.mu.RUnlock()
|
||||
result := make([]string, len(m.errorLogs))
|
||||
copy(result, m.errorLogs)
|
||||
return result
|
||||
}
|
||||
|
||||
//lint:ignore U1000 May be needed for future test isolation
|
||||
func (m *mockLogger) reset() {
|
||||
m.mu.Lock()
|
||||
defer m.mu.Unlock()
|
||||
m.debugLogs = nil
|
||||
m.errorLogs = nil
|
||||
}
|
||||
|
||||
// Mock session for testing
|
||||
type mockSession struct {
|
||||
data map[string]interface{}
|
||||
redirectCount int
|
||||
saveError error
|
||||
mu sync.RWMutex
|
||||
dirty bool
|
||||
authenticated bool
|
||||
email string
|
||||
accessToken string
|
||||
refreshToken string
|
||||
idToken string
|
||||
nonce string
|
||||
codeVerifier string
|
||||
csrf string
|
||||
incomingPath string
|
||||
}
|
||||
|
||||
func newMockSession() *mockSession {
|
||||
return &mockSession{
|
||||
data: make(map[string]interface{}),
|
||||
}
|
||||
}
|
||||
|
||||
func (m *mockSession) GetRedirectCount() int {
|
||||
m.mu.RLock()
|
||||
defer m.mu.RUnlock()
|
||||
return m.redirectCount
|
||||
}
|
||||
|
||||
func (m *mockSession) ResetRedirectCount() {
|
||||
m.mu.Lock()
|
||||
defer m.mu.Unlock()
|
||||
m.redirectCount = 0
|
||||
}
|
||||
|
||||
func (m *mockSession) IncrementRedirectCount() {
|
||||
m.mu.Lock()
|
||||
defer m.mu.Unlock()
|
||||
m.redirectCount++
|
||||
}
|
||||
|
||||
func (m *mockSession) SetAuthenticated(auth bool) {
|
||||
m.mu.Lock()
|
||||
defer m.mu.Unlock()
|
||||
m.authenticated = auth
|
||||
}
|
||||
|
||||
func (m *mockSession) SetEmail(email string) {
|
||||
m.mu.Lock()
|
||||
defer m.mu.Unlock()
|
||||
m.email = email
|
||||
}
|
||||
|
||||
func (m *mockSession) SetAccessToken(token string) {
|
||||
m.mu.Lock()
|
||||
defer m.mu.Unlock()
|
||||
m.accessToken = token
|
||||
}
|
||||
|
||||
func (m *mockSession) SetRefreshToken(token string) {
|
||||
m.mu.Lock()
|
||||
defer m.mu.Unlock()
|
||||
m.refreshToken = token
|
||||
}
|
||||
|
||||
func (m *mockSession) SetIDToken(token string) {
|
||||
m.mu.Lock()
|
||||
defer m.mu.Unlock()
|
||||
m.idToken = token
|
||||
}
|
||||
|
||||
func (m *mockSession) SetNonce(nonce string) {
|
||||
m.mu.Lock()
|
||||
defer m.mu.Unlock()
|
||||
m.nonce = nonce
|
||||
}
|
||||
|
||||
func (m *mockSession) SetCodeVerifier(verifier string) {
|
||||
m.mu.Lock()
|
||||
defer m.mu.Unlock()
|
||||
m.codeVerifier = verifier
|
||||
}
|
||||
|
||||
func (m *mockSession) SetCSRF(csrf string) {
|
||||
m.mu.Lock()
|
||||
defer m.mu.Unlock()
|
||||
m.csrf = csrf
|
||||
}
|
||||
|
||||
func (m *mockSession) SetIncomingPath(path string) {
|
||||
m.mu.Lock()
|
||||
defer m.mu.Unlock()
|
||||
m.incomingPath = path
|
||||
}
|
||||
|
||||
func (m *mockSession) MarkDirty() {
|
||||
m.mu.Lock()
|
||||
defer m.mu.Unlock()
|
||||
m.dirty = true
|
||||
}
|
||||
|
||||
func (m *mockSession) Save(req *http.Request, rw http.ResponseWriter) error {
|
||||
m.mu.RLock()
|
||||
defer m.mu.RUnlock()
|
||||
return m.saveError
|
||||
}
|
||||
|
||||
func (m *mockSession) setSaveError(err error) {
|
||||
m.mu.Lock()
|
||||
defer m.mu.Unlock()
|
||||
m.saveError = err
|
||||
}
|
||||
|
||||
// Test helper functions
|
||||
func createTestAuthHandler(logger Logger, enablePKCE bool, isGoogle, isAzure func() bool) *AuthHandler {
|
||||
return NewAuthHandler(
|
||||
logger,
|
||||
enablePKCE,
|
||||
isGoogle,
|
||||
isAzure,
|
||||
"test-client-id",
|
||||
"https://provider.example.com/auth",
|
||||
"https://provider.example.com",
|
||||
[]string{"openid", "email", "profile"},
|
||||
false,
|
||||
)
|
||||
}
|
||||
|
||||
func TestNewAuthHandler(t *testing.T) {
|
||||
tests := []struct {
|
||||
name string
|
||||
logger Logger
|
||||
enablePKCE bool
|
||||
clientID string
|
||||
authURL string
|
||||
issuerURL string
|
||||
scopes []string
|
||||
overrideScopes bool
|
||||
}{
|
||||
{
|
||||
name: "creates handler with basic config",
|
||||
logger: &mockLogger{},
|
||||
enablePKCE: true,
|
||||
clientID: "test-client",
|
||||
authURL: "https://example.com/auth",
|
||||
issuerURL: "https://example.com",
|
||||
scopes: []string{"openid", "email"},
|
||||
overrideScopes: false,
|
||||
},
|
||||
{
|
||||
name: "creates handler with PKCE disabled",
|
||||
logger: &mockLogger{},
|
||||
enablePKCE: false,
|
||||
clientID: "test-client",
|
||||
authURL: "https://example.com/auth",
|
||||
issuerURL: "https://example.com",
|
||||
scopes: []string{"openid"},
|
||||
overrideScopes: true,
|
||||
},
|
||||
}
|
||||
|
||||
for _, tt := range tests {
|
||||
t.Run(tt.name, func(t *testing.T) {
|
||||
isGoogle := func() bool { return false }
|
||||
isAzure := func() bool { return false }
|
||||
|
||||
handler := NewAuthHandler(
|
||||
tt.logger,
|
||||
tt.enablePKCE,
|
||||
isGoogle,
|
||||
isAzure,
|
||||
tt.clientID,
|
||||
tt.authURL,
|
||||
tt.issuerURL,
|
||||
tt.scopes,
|
||||
tt.overrideScopes,
|
||||
)
|
||||
|
||||
if handler == nil {
|
||||
t.Fatal("NewAuthHandler returned nil")
|
||||
}
|
||||
|
||||
if handler.clientID != tt.clientID {
|
||||
t.Errorf("Expected clientID %s, got %s", tt.clientID, handler.clientID)
|
||||
}
|
||||
|
||||
if handler.enablePKCE != tt.enablePKCE {
|
||||
t.Errorf("Expected enablePKCE %v, got %v", tt.enablePKCE, handler.enablePKCE)
|
||||
}
|
||||
|
||||
if handler.authURL != tt.authURL {
|
||||
t.Errorf("Expected authURL %s, got %s", tt.authURL, handler.authURL)
|
||||
}
|
||||
|
||||
if handler.issuerURL != tt.issuerURL {
|
||||
t.Errorf("Expected issuerURL %s, got %s", tt.issuerURL, handler.issuerURL)
|
||||
}
|
||||
|
||||
if handler.overrideScopes != tt.overrideScopes {
|
||||
t.Errorf("Expected overrideScopes %v, got %v", tt.overrideScopes, handler.overrideScopes)
|
||||
}
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
func TestInitiateAuthentication(t *testing.T) {
|
||||
tests := []struct {
|
||||
name string
|
||||
enablePKCE bool
|
||||
initialRedirectCount int
|
||||
generateNonceError error
|
||||
generateCodeVerifierError error
|
||||
deriveCodeChallengeError error
|
||||
sessionSaveError error
|
||||
expectedStatusCode int
|
||||
expectRedirect bool
|
||||
}{
|
||||
{
|
||||
name: "successful authentication without PKCE",
|
||||
enablePKCE: false,
|
||||
expectedStatusCode: http.StatusFound,
|
||||
expectRedirect: true,
|
||||
},
|
||||
{
|
||||
name: "successful authentication with PKCE",
|
||||
enablePKCE: true,
|
||||
expectedStatusCode: http.StatusFound,
|
||||
expectRedirect: true,
|
||||
},
|
||||
{
|
||||
name: "fails when nonce generation fails",
|
||||
enablePKCE: false,
|
||||
generateNonceError: fmt.Errorf("nonce generation failed"),
|
||||
expectedStatusCode: http.StatusInternalServerError,
|
||||
expectRedirect: false,
|
||||
},
|
||||
{
|
||||
name: "fails when code verifier generation fails",
|
||||
enablePKCE: true,
|
||||
generateCodeVerifierError: fmt.Errorf("code verifier generation failed"),
|
||||
expectedStatusCode: http.StatusInternalServerError,
|
||||
expectRedirect: false,
|
||||
},
|
||||
{
|
||||
name: "fails when code challenge derivation fails",
|
||||
enablePKCE: true,
|
||||
deriveCodeChallengeError: fmt.Errorf("code challenge derivation failed"),
|
||||
expectedStatusCode: http.StatusInternalServerError,
|
||||
expectRedirect: false,
|
||||
},
|
||||
{
|
||||
name: "fails when session save fails",
|
||||
enablePKCE: false,
|
||||
sessionSaveError: fmt.Errorf("session save failed"),
|
||||
expectedStatusCode: http.StatusInternalServerError,
|
||||
expectRedirect: false,
|
||||
},
|
||||
{
|
||||
name: "fails when redirect count exceeds limit",
|
||||
enablePKCE: false,
|
||||
initialRedirectCount: 5,
|
||||
expectedStatusCode: http.StatusLoopDetected,
|
||||
expectRedirect: false,
|
||||
},
|
||||
}
|
||||
|
||||
for _, tt := range tests {
|
||||
t.Run(tt.name, func(t *testing.T) {
|
||||
logger := &mockLogger{}
|
||||
session := newMockSession()
|
||||
session.redirectCount = tt.initialRedirectCount
|
||||
if tt.sessionSaveError != nil {
|
||||
session.setSaveError(tt.sessionSaveError)
|
||||
}
|
||||
|
||||
handler := createTestAuthHandler(logger, tt.enablePKCE, func() bool { return false }, func() bool { return false })
|
||||
|
||||
req := httptest.NewRequest("GET", "/test", nil)
|
||||
rw := httptest.NewRecorder()
|
||||
|
||||
generateNonce := func() (string, error) {
|
||||
if tt.generateNonceError != nil {
|
||||
return "", tt.generateNonceError
|
||||
}
|
||||
return "test-nonce", nil
|
||||
}
|
||||
|
||||
generateCodeVerifier := func() (string, error) {
|
||||
if tt.generateCodeVerifierError != nil {
|
||||
return "", tt.generateCodeVerifierError
|
||||
}
|
||||
return "test-code-verifier", nil
|
||||
}
|
||||
|
||||
deriveCodeChallenge := func() (string, error) {
|
||||
if tt.deriveCodeChallengeError != nil {
|
||||
return "", tt.deriveCodeChallengeError
|
||||
}
|
||||
return "test-code-challenge", nil
|
||||
}
|
||||
|
||||
handler.InitiateAuthentication(
|
||||
rw, req, session,
|
||||
"https://example.com/callback",
|
||||
generateNonce,
|
||||
generateCodeVerifier,
|
||||
deriveCodeChallenge,
|
||||
)
|
||||
|
||||
if rw.Code != tt.expectedStatusCode {
|
||||
t.Errorf("Expected status code %d, got %d", tt.expectedStatusCode, rw.Code)
|
||||
}
|
||||
|
||||
if tt.expectRedirect {
|
||||
location := rw.Header().Get("Location")
|
||||
if location == "" {
|
||||
t.Error("Expected redirect location header, got empty")
|
||||
}
|
||||
if !strings.Contains(location, "https://provider.example.com/auth") {
|
||||
t.Errorf("Expected redirect to auth URL, got %s", location)
|
||||
}
|
||||
}
|
||||
|
||||
// Verify error logs for failure cases
|
||||
if tt.expectedStatusCode != http.StatusFound {
|
||||
errorLogs := logger.getErrorLogs()
|
||||
if len(errorLogs) == 0 {
|
||||
t.Error("Expected error logs for failure case, got none")
|
||||
}
|
||||
}
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
func TestBuildAuthURL(t *testing.T) {
|
||||
tests := []struct {
|
||||
name string
|
||||
enablePKCE bool
|
||||
isGoogle bool
|
||||
isAzure bool
|
||||
scopes []string
|
||||
overrideScopes bool
|
||||
codeChallenge string
|
||||
expectedParams map[string]string
|
||||
expectContains []string
|
||||
}{
|
||||
{
|
||||
name: "builds URL without PKCE for standard provider",
|
||||
enablePKCE: false,
|
||||
isGoogle: false,
|
||||
isAzure: false,
|
||||
scopes: []string{"openid", "email"},
|
||||
codeChallenge: "",
|
||||
expectedParams: map[string]string{
|
||||
"client_id": "test-client-id",
|
||||
"response_type": "code",
|
||||
"state": "test-state",
|
||||
"nonce": "test-nonce",
|
||||
"scope": "openid email offline_access",
|
||||
},
|
||||
},
|
||||
{
|
||||
name: "builds URL with PKCE for standard provider",
|
||||
enablePKCE: true,
|
||||
isGoogle: false,
|
||||
isAzure: false,
|
||||
scopes: []string{"openid", "email"},
|
||||
codeChallenge: "test-challenge",
|
||||
expectedParams: map[string]string{
|
||||
"client_id": "test-client-id",
|
||||
"response_type": "code",
|
||||
"state": "test-state",
|
||||
"nonce": "test-nonce",
|
||||
"code_challenge": "test-challenge",
|
||||
"code_challenge_method": "S256",
|
||||
"scope": "openid email offline_access",
|
||||
},
|
||||
},
|
||||
{
|
||||
name: "builds URL for Google provider",
|
||||
enablePKCE: false,
|
||||
isGoogle: true,
|
||||
isAzure: false,
|
||||
scopes: []string{"openid", "email"},
|
||||
expectedParams: map[string]string{
|
||||
"client_id": "test-client-id",
|
||||
"response_type": "code",
|
||||
"state": "test-state",
|
||||
"nonce": "test-nonce",
|
||||
"access_type": "offline",
|
||||
"prompt": "consent",
|
||||
"scope": "openid email",
|
||||
},
|
||||
},
|
||||
{
|
||||
name: "builds URL for Azure provider",
|
||||
enablePKCE: false,
|
||||
isGoogle: false,
|
||||
isAzure: true,
|
||||
scopes: []string{"openid", "email"},
|
||||
expectedParams: map[string]string{
|
||||
"client_id": "test-client-id",
|
||||
"response_type": "code",
|
||||
"state": "test-state",
|
||||
"nonce": "test-nonce",
|
||||
"response_mode": "query",
|
||||
"scope": "openid email offline_access",
|
||||
},
|
||||
},
|
||||
{
|
||||
name: "handles scope override for Azure",
|
||||
enablePKCE: false,
|
||||
isGoogle: false,
|
||||
isAzure: true,
|
||||
scopes: []string{"custom-scope"},
|
||||
overrideScopes: true,
|
||||
expectedParams: map[string]string{
|
||||
"client_id": "test-client-id",
|
||||
"response_type": "code",
|
||||
"state": "test-state",
|
||||
"nonce": "test-nonce",
|
||||
"response_mode": "query",
|
||||
"scope": "custom-scope",
|
||||
},
|
||||
},
|
||||
}
|
||||
|
||||
for _, tt := range tests {
|
||||
t.Run(tt.name, func(t *testing.T) {
|
||||
logger := &mockLogger{}
|
||||
isGoogleFunc := func() bool { return tt.isGoogle }
|
||||
isAzureFunc := func() bool { return tt.isAzure }
|
||||
|
||||
handler := NewAuthHandler(
|
||||
logger,
|
||||
tt.enablePKCE,
|
||||
isGoogleFunc,
|
||||
isAzureFunc,
|
||||
"test-client-id",
|
||||
"https://provider.example.com/auth",
|
||||
"https://provider.example.com",
|
||||
tt.scopes,
|
||||
tt.overrideScopes,
|
||||
)
|
||||
|
||||
authURL := handler.BuildAuthURL(
|
||||
"https://example.com/callback",
|
||||
"test-state",
|
||||
"test-nonce",
|
||||
tt.codeChallenge,
|
||||
)
|
||||
|
||||
if authURL == "" {
|
||||
t.Fatal("BuildAuthURL returned empty string")
|
||||
}
|
||||
|
||||
parsedURL, err := url.Parse(authURL)
|
||||
if err != nil {
|
||||
t.Fatalf("Failed to parse auth URL: %v", err)
|
||||
}
|
||||
|
||||
// Check base URL
|
||||
expectedBase := "https://provider.example.com/auth"
|
||||
actualBase := fmt.Sprintf("%s://%s%s", parsedURL.Scheme, parsedURL.Host, parsedURL.Path)
|
||||
if actualBase != expectedBase {
|
||||
t.Errorf("Expected base URL %s, got %s", expectedBase, actualBase)
|
||||
}
|
||||
|
||||
// Check required parameters
|
||||
query := parsedURL.Query()
|
||||
for param, expectedValue := range tt.expectedParams {
|
||||
actualValue := query.Get(param)
|
||||
if actualValue != expectedValue {
|
||||
t.Errorf("Expected %s=%s, got %s=%s", param, expectedValue, param, actualValue)
|
||||
}
|
||||
}
|
||||
|
||||
// Check that contains expected strings
|
||||
for _, contains := range tt.expectContains {
|
||||
if !strings.Contains(authURL, contains) {
|
||||
t.Errorf("Expected URL to contain %s, got %s", contains, authURL)
|
||||
}
|
||||
}
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
func TestValidateURL(t *testing.T) {
|
||||
logger := &mockLogger{}
|
||||
handler := createTestAuthHandler(logger, false, func() bool { return false }, func() bool { return false })
|
||||
|
||||
tests := []struct {
|
||||
name string
|
||||
url string
|
||||
expectError bool
|
||||
errorMsg string
|
||||
}{
|
||||
{
|
||||
name: "valid HTTPS URL",
|
||||
url: "https://example.com/path",
|
||||
expectError: false,
|
||||
},
|
||||
{
|
||||
name: "valid HTTP URL",
|
||||
url: "http://example.com/path",
|
||||
expectError: false,
|
||||
},
|
||||
{
|
||||
name: "empty URL",
|
||||
url: "",
|
||||
expectError: true,
|
||||
errorMsg: "empty URL",
|
||||
},
|
||||
{
|
||||
name: "invalid scheme",
|
||||
url: "ftp://example.com/path",
|
||||
expectError: true,
|
||||
errorMsg: "disallowed URL scheme",
|
||||
},
|
||||
{
|
||||
name: "missing host",
|
||||
url: "https:///path",
|
||||
expectError: true,
|
||||
errorMsg: "missing host in URL",
|
||||
},
|
||||
{
|
||||
name: "localhost not allowed",
|
||||
url: "https://localhost/path",
|
||||
expectError: true,
|
||||
errorMsg: "localhost access not allowed",
|
||||
},
|
||||
{
|
||||
name: "127.0.0.1 not allowed",
|
||||
url: "https://127.0.0.1/path",
|
||||
expectError: true,
|
||||
errorMsg: "localhost access not allowed",
|
||||
},
|
||||
{
|
||||
name: "private IP not allowed",
|
||||
url: "https://192.168.1.1/path",
|
||||
expectError: true,
|
||||
errorMsg: "private IP not allowed",
|
||||
},
|
||||
{
|
||||
name: "path traversal not allowed",
|
||||
url: "https://example.com/../path",
|
||||
expectError: true,
|
||||
errorMsg: "path traversal detected",
|
||||
},
|
||||
}
|
||||
|
||||
for _, tt := range tests {
|
||||
t.Run(tt.name, func(t *testing.T) {
|
||||
err := handler.validateURL(tt.url)
|
||||
|
||||
if tt.expectError {
|
||||
if err == nil {
|
||||
t.Errorf("Expected error for URL %s, got nil", tt.url)
|
||||
} else if tt.errorMsg != "" && !strings.Contains(err.Error(), tt.errorMsg) {
|
||||
t.Errorf("Expected error to contain %s, got %s", tt.errorMsg, err.Error())
|
||||
}
|
||||
} else {
|
||||
if err != nil {
|
||||
t.Errorf("Expected no error for URL %s, got %v", tt.url, err)
|
||||
}
|
||||
}
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
func TestValidateHost(t *testing.T) {
|
||||
logger := &mockLogger{}
|
||||
handler := createTestAuthHandler(logger, false, func() bool { return false }, func() bool { return false })
|
||||
|
||||
tests := []struct {
|
||||
name string
|
||||
host string
|
||||
expectError bool
|
||||
errorMsg string
|
||||
}{
|
||||
{
|
||||
name: "valid domain",
|
||||
host: "example.com",
|
||||
expectError: false,
|
||||
},
|
||||
{
|
||||
name: "valid domain with port",
|
||||
host: "example.com:443",
|
||||
expectError: false,
|
||||
},
|
||||
{
|
||||
name: "empty host",
|
||||
host: "",
|
||||
expectError: true,
|
||||
errorMsg: "empty host",
|
||||
},
|
||||
{
|
||||
name: "localhost",
|
||||
host: "localhost",
|
||||
expectError: true,
|
||||
errorMsg: "localhost access not allowed",
|
||||
},
|
||||
{
|
||||
name: "localhost with port",
|
||||
host: "localhost:8080",
|
||||
expectError: true,
|
||||
errorMsg: "localhost access not allowed",
|
||||
},
|
||||
{
|
||||
name: "127.0.0.1",
|
||||
host: "127.0.0.1",
|
||||
expectError: true,
|
||||
errorMsg: "localhost access not allowed",
|
||||
},
|
||||
{
|
||||
name: "::1 (IPv6 localhost)",
|
||||
host: "::1",
|
||||
expectError: true,
|
||||
errorMsg: "invalid host:port format",
|
||||
},
|
||||
{
|
||||
name: "private IP 192.168.1.1",
|
||||
host: "192.168.1.1",
|
||||
expectError: true,
|
||||
errorMsg: "private IP not allowed",
|
||||
},
|
||||
{
|
||||
name: "private IP 10.0.0.1",
|
||||
host: "10.0.0.1",
|
||||
expectError: true,
|
||||
errorMsg: "private IP not allowed",
|
||||
},
|
||||
{
|
||||
name: "invalid host:port format",
|
||||
host: "example.com:99999", // Use invalid port number instead
|
||||
expectError: false, // This actually doesn't error in Go's net.SplitHostPort
|
||||
},
|
||||
}
|
||||
|
||||
for _, tt := range tests {
|
||||
t.Run(tt.name, func(t *testing.T) {
|
||||
err := handler.validateHost(tt.host)
|
||||
|
||||
if tt.expectError {
|
||||
if err == nil {
|
||||
t.Errorf("Expected error for host %s, got nil", tt.host)
|
||||
} else if tt.errorMsg != "" && !strings.Contains(err.Error(), tt.errorMsg) {
|
||||
t.Errorf("Expected error to contain %s, got %s", tt.errorMsg, err.Error())
|
||||
}
|
||||
} else {
|
||||
if err != nil {
|
||||
t.Errorf("Expected no error for host %s, got %v", tt.host, err)
|
||||
}
|
||||
}
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
func TestBuildURLWithParams(t *testing.T) {
|
||||
logger := &mockLogger{}
|
||||
handler := NewAuthHandler(
|
||||
logger,
|
||||
false,
|
||||
func() bool { return false },
|
||||
func() bool { return false },
|
||||
"test-client-id",
|
||||
"https://provider.example.com/auth",
|
||||
"https://provider.example.com",
|
||||
[]string{"openid"},
|
||||
false,
|
||||
)
|
||||
|
||||
tests := []struct {
|
||||
name string
|
||||
baseURL string
|
||||
params url.Values
|
||||
expected string
|
||||
expectError bool
|
||||
}{
|
||||
{
|
||||
name: "absolute HTTPS URL with params",
|
||||
baseURL: "https://example.com/auth",
|
||||
params: url.Values{"param1": []string{"value1"}, "param2": []string{"value2"}},
|
||||
expected: "https://example.com/auth?param1=value1¶m2=value2",
|
||||
},
|
||||
{
|
||||
name: "relative URL resolved against issuer",
|
||||
baseURL: "/auth/endpoint",
|
||||
params: url.Values{"client_id": []string{"test"}},
|
||||
expected: "https://provider.example.com/auth/endpoint?client_id=test",
|
||||
},
|
||||
{
|
||||
name: "invalid absolute URL",
|
||||
baseURL: "https://localhost/auth",
|
||||
params: url.Values{},
|
||||
expectError: true,
|
||||
},
|
||||
}
|
||||
|
||||
for _, tt := range tests {
|
||||
t.Run(tt.name, func(t *testing.T) {
|
||||
result := handler.buildURLWithParams(tt.baseURL, tt.params)
|
||||
|
||||
if tt.expectError {
|
||||
if result != "" {
|
||||
t.Errorf("Expected empty result for invalid URL, got %s", result)
|
||||
}
|
||||
} else {
|
||||
if result == "" {
|
||||
t.Error("Expected non-empty result, got empty string")
|
||||
}
|
||||
|
||||
// Parse and compare the result
|
||||
resultURL, err := url.Parse(result)
|
||||
if err != nil {
|
||||
t.Fatalf("Failed to parse result URL: %v", err)
|
||||
}
|
||||
|
||||
expectedURL, err := url.Parse(tt.expected)
|
||||
if err != nil {
|
||||
t.Fatalf("Failed to parse expected URL: %v", err)
|
||||
}
|
||||
|
||||
if resultURL.Scheme != expectedURL.Scheme {
|
||||
t.Errorf("Expected scheme %s, got %s", expectedURL.Scheme, resultURL.Scheme)
|
||||
}
|
||||
if resultURL.Host != expectedURL.Host {
|
||||
t.Errorf("Expected host %s, got %s", expectedURL.Host, resultURL.Host)
|
||||
}
|
||||
if resultURL.Path != expectedURL.Path {
|
||||
t.Errorf("Expected path %s, got %s", expectedURL.Path, resultURL.Path)
|
||||
}
|
||||
|
||||
// Check query parameters
|
||||
resultQuery := resultURL.Query()
|
||||
expectedQuery := expectedURL.Query()
|
||||
for key, expectedValues := range expectedQuery {
|
||||
resultValues := resultQuery[key]
|
||||
if len(resultValues) != len(expectedValues) {
|
||||
t.Errorf("Expected %d values for %s, got %d", len(expectedValues), key, len(resultValues))
|
||||
}
|
||||
for i, expectedValue := range expectedValues {
|
||||
if i >= len(resultValues) || resultValues[i] != expectedValue {
|
||||
t.Errorf("Expected %s=%s, got %s=%s", key, expectedValue, key, resultValues[i])
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
func TestConcurrentAccess(t *testing.T) {
|
||||
logger := &mockLogger{}
|
||||
handler := createTestAuthHandler(logger, true, func() bool { return false }, func() bool { return false })
|
||||
|
||||
const numGoroutines = 10
|
||||
const numRequests = 5
|
||||
|
||||
var wg sync.WaitGroup
|
||||
errors := make(chan error, numGoroutines*numRequests)
|
||||
|
||||
for i := 0; i < numGoroutines; i++ {
|
||||
wg.Add(1)
|
||||
go func(id int) {
|
||||
defer wg.Done()
|
||||
for j := 0; j < numRequests; j++ {
|
||||
session := newMockSession()
|
||||
req := httptest.NewRequest("GET", fmt.Sprintf("/test-%d-%d", id, j), nil)
|
||||
rw := httptest.NewRecorder()
|
||||
|
||||
generateNonce := func() (string, error) {
|
||||
return fmt.Sprintf("nonce-%d-%d", id, j), nil
|
||||
}
|
||||
generateCodeVerifier := func() (string, error) {
|
||||
return fmt.Sprintf("verifier-%d-%d", id, j), nil
|
||||
}
|
||||
deriveCodeChallenge := func() (string, error) {
|
||||
return fmt.Sprintf("challenge-%d-%d", id, j), nil
|
||||
}
|
||||
|
||||
handler.InitiateAuthentication(
|
||||
rw, req, session,
|
||||
"https://example.com/callback",
|
||||
generateNonce,
|
||||
generateCodeVerifier,
|
||||
deriveCodeChallenge,
|
||||
)
|
||||
|
||||
if rw.Code != http.StatusFound {
|
||||
errors <- fmt.Errorf("goroutine %d request %d: expected status %d, got %d",
|
||||
id, j, http.StatusFound, rw.Code)
|
||||
}
|
||||
}
|
||||
}(i)
|
||||
}
|
||||
|
||||
wg.Wait()
|
||||
close(errors)
|
||||
|
||||
var errorCount int
|
||||
for err := range errors {
|
||||
t.Error(err)
|
||||
errorCount++
|
||||
}
|
||||
|
||||
if errorCount > 0 {
|
||||
t.Errorf("Found %d errors in concurrent access test", errorCount)
|
||||
}
|
||||
}
|
||||
|
||||
// Benchmark tests
|
||||
func BenchmarkInitiateAuthentication(b *testing.B) {
|
||||
logger := &mockLogger{}
|
||||
handler := createTestAuthHandler(logger, true, func() bool { return false }, func() bool { return false })
|
||||
|
||||
generateNonce := func() (string, error) { return "test-nonce", nil }
|
||||
generateCodeVerifier := func() (string, error) { return "test-verifier", nil }
|
||||
deriveCodeChallenge := func() (string, error) { return "test-challenge", nil }
|
||||
|
||||
b.ResetTimer()
|
||||
for i := 0; i < b.N; i++ {
|
||||
session := newMockSession()
|
||||
req := httptest.NewRequest("GET", "/test", nil)
|
||||
rw := httptest.NewRecorder()
|
||||
|
||||
handler.InitiateAuthentication(
|
||||
rw, req, session,
|
||||
"https://example.com/callback",
|
||||
generateNonce,
|
||||
generateCodeVerifier,
|
||||
deriveCodeChallenge,
|
||||
)
|
||||
}
|
||||
}
|
||||
|
||||
func BenchmarkBuildAuthURL(b *testing.B) {
|
||||
logger := &mockLogger{}
|
||||
handler := createTestAuthHandler(logger, true, func() bool { return false }, func() bool { return false })
|
||||
|
||||
b.ResetTimer()
|
||||
for i := 0; i < b.N; i++ {
|
||||
handler.BuildAuthURL(
|
||||
"https://example.com/callback",
|
||||
"test-state",
|
||||
"test-nonce",
|
||||
"test-challenge",
|
||||
)
|
||||
}
|
||||
}
|
||||
|
||||
func BenchmarkValidateURL(b *testing.B) {
|
||||
logger := &mockLogger{}
|
||||
handler := createTestAuthHandler(logger, false, func() bool { return false }, func() bool { return false })
|
||||
|
||||
testURLs := []string{
|
||||
"https://example.com/auth",
|
||||
"https://provider.example.com/oauth/authorize",
|
||||
"https://login.microsoftonline.com/tenant/oauth2/v2.0/authorize",
|
||||
}
|
||||
|
||||
b.ResetTimer()
|
||||
for i := 0; i < b.N; i++ {
|
||||
handler.validateURL(testURLs[i%len(testURLs)])
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user