58 lines
1.4 KiB
Go
58 lines
1.4 KiB
Go
package middleware
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import (
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"context"
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"net/http"
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"strings"
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"github.com/prabhupadasays/spsays-bff/pkg/response"
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)
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type contextKey string
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const UserIDKey contextKey = "user_id"
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// Auth is a placeholder middleware for JWT authentication.
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// It extracts the Bearer token from the Authorization header,
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// validates it, and sets the user ID in the request context.
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func Auth(jwtSecret string) func(next http.Handler) http.Handler {
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return func(next http.Handler) http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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authHeader := r.Header.Get("Authorization")
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if authHeader == "" {
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response.Error(w, http.StatusUnauthorized, "missing authorization header")
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return
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}
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parts := strings.SplitN(authHeader, " ", 2)
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if len(parts) != 2 || strings.ToLower(parts[0]) != "bearer" {
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response.Error(w, http.StatusUnauthorized, "invalid authorization format")
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return
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}
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token := parts[1]
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// TODO: validate JWT token and extract user ID
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_ = token
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_ = jwtSecret
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userID := "" // placeholder
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if userID == "" {
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response.Error(w, http.StatusUnauthorized, "invalid or expired token")
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return
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}
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ctx := context.WithValue(r.Context(), UserIDKey, userID)
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next.ServeHTTP(w, r.WithContext(ctx))
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})
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}
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}
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// GetUserID extracts the user ID from the request context.
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func GetUserID(ctx context.Context) string {
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if v, ok := ctx.Value(UserIDKey).(string); ok {
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return v
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}
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return ""
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}
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