bigtux
5b662cf12f
- Go backend with Fiber framework - Agent for metrics collection - Docker Compose for self-hosted - Auth middleware (JWT + API Keys) - Rate limiting - Install script
94 lines
2.0 KiB
Go
94 lines
2.0 KiB
Go
package auth
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import (
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"crypto/rand"
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"encoding/hex"
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"strings"
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"time"
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"github.com/gofiber/fiber/v2"
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"github.com/golang-jwt/jwt/v5"
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)
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var jwtSecret []byte
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func Init(secret string) {
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jwtSecret = []byte(secret)
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}
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// GenerateAPIKey creates a new API key for agents
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func GenerateAPIKey() string {
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bytes := make([]byte, 32)
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rand.Read(bytes)
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return "ophion_" + hex.EncodeToString(bytes)
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}
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// GenerateJWT creates a JWT token for users
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func GenerateJWT(userID string, email string) (string, error) {
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claims := jwt.MapClaims{
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"sub": userID,
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"email": email,
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"iat": time.Now().Unix(),
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"exp": time.Now().Add(24 * time.Hour).Unix(),
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}
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token := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
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return token.SignedString(jwtSecret)
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}
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// ValidateJWT validates a JWT token
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func ValidateJWT(tokenString string) (*jwt.MapClaims, error) {
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token, err := jwt.Parse(tokenString, func(token *jwt.Token) (interface{}, error) {
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return jwtSecret, nil
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})
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if err != nil || !token.Valid {
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return nil, err
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}
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claims, ok := token.Claims.(jwt.MapClaims)
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if !ok {
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return nil, jwt.ErrInvalidKey
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}
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return &claims, nil
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}
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// AuthMiddleware protects routes
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func AuthMiddleware() fiber.Handler {
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return func(c *fiber.Ctx) error {
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authHeader := c.Get("Authorization")
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if authHeader == "" {
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return c.Status(401).JSON(fiber.Map{
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"error": "Missing authorization header",
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})
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}
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// Support both "Bearer <token>" and API keys
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token := strings.TrimPrefix(authHeader, "Bearer ")
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// Check if it's an API key
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if strings.HasPrefix(token, "ophion_") {
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// TODO: Validate API key against database
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c.Locals("auth_type", "api_key")
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c.Locals("api_key", token)
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return c.Next()
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}
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// Validate JWT
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claims, err := ValidateJWT(token)
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if err != nil {
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return c.Status(401).JSON(fiber.Map{
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"error": "Invalid token",
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})
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}
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c.Locals("auth_type", "jwt")
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c.Locals("user_id", (*claims)["sub"])
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c.Locals("email", (*claims)["email"])
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return c.Next()
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}
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}
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