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112 lines
3.1 KiB
Go
112 lines
3.1 KiB
Go
package auth
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import (
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"context"
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"crypto/rand"
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"encoding/hex"
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"fmt"
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"time"
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"github.com/golang-jwt/jwt/v5"
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)
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// MockAuthService provides mock authentication functionality
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type MockAuthService struct {
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secretKey []byte
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issuer string
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}
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// Claims represents JWT claims for mock authentication
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type Claims struct {
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UserID string `json:"user_id"`
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Username string `json:"username"`
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Email string `json:"email"`
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Roles []string `json:"roles"`
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jwt.RegisteredClaims
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}
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// NewMockAuthService creates a new mock authentication service
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func NewMockAuthService(issuer string) (*MockAuthService, error) {
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// Generate a random secret key for development
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secretKey := make([]byte, 32)
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if _, err := rand.Read(secretKey); err != nil {
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return nil, fmt.Errorf("failed to generate secret key: %w", err)
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}
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return &MockAuthService{
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secretKey: secretKey,
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issuer: issuer,
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}, nil
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}
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// GenerateToken generates a JWT token for a user
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func (m *MockAuthService) GenerateToken(userID, username, email string, roles []string) (string, error) {
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now := time.Now()
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claims := Claims{
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UserID: userID,
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Username: username,
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Email: email,
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Roles: roles,
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RegisteredClaims: jwt.RegisteredClaims{
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Issuer: m.issuer,
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Subject: userID,
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Audience: []string{"knowfoolery"},
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ExpiresAt: jwt.NewNumericDate(now.Add(time.Hour * 24)), // 24 hours
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NotBefore: jwt.NewNumericDate(now),
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IssuedAt: jwt.NewNumericDate(now),
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},
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}
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token := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
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return token.SignedString(m.secretKey)
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}
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// ValidateToken validates a JWT token
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func (m *MockAuthService) ValidateToken(ctx context.Context, tokenString string) (*Claims, error) {
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token, err := jwt.ParseWithClaims(tokenString, &Claims{}, func(token *jwt.Token) (interface{}, error) {
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// Validate signing method
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if _, ok := token.Method.(*jwt.SigningMethodHMAC); !ok {
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return nil, fmt.Errorf("unexpected signing method: %v", token.Header["alg"])
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}
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return m.secretKey, nil
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})
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if err != nil {
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return nil, fmt.Errorf("failed to parse token: %w", err)
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}
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if !token.Valid {
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return nil, fmt.Errorf("invalid token")
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}
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claims, ok := token.Claims.(*Claims)
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if !ok {
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return nil, fmt.Errorf("invalid token claims")
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}
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return claims, nil
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}
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// CreateMockUsers creates some mock users for testing
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func (m *MockAuthService) CreateMockUsers() map[string]string {
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tokens := make(map[string]string)
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// Create admin user token
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adminToken, _ := m.GenerateToken("admin-1", "admin", "admin@knowfoolery.com", []string{"admin", "player"})
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tokens["admin"] = adminToken
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// Create regular player token
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playerToken, _ := m.GenerateToken("player-1", "john_doe", "john@example.com", []string{"player"})
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tokens["player"] = playerToken
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// Create another player token
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player2Token, _ := m.GenerateToken("player-2", "jane_smith", "jane@example.com", []string{"player"})
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tokens["player2"] = player2Token
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return tokens
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}
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// GetSecretHex returns the secret key as hex string (for debugging/testing only)
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func (m *MockAuthService) GetSecretHex() string {
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return hex.EncodeToString(m.secretKey)
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} |