46 lines
1.1 KiB
Go
46 lines
1.1 KiB
Go
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package s5
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import (
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"fmt"
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"git.lumeweb.com/LumeWeb/portal/interfaces"
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"github.com/golang-jwt/jwt/v5"
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"go.sia.tech/jape"
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"net/http"
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"strings"
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)
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func AuthMiddleware(handler jape.Handler, portal interfaces.Portal) jape.Handler {
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return jape.Adapt(func(h 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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http.Error(w, "Authorization header is required", http.StatusBadRequest)
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return
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}
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tokenString := strings.TrimPrefix(authHeader, "Bearer ")
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token, err := jwt.Parse(tokenString, func(token *jwt.Token) (interface{}, error) {
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if _, ok := token.Method.(*jwt.SigningMethodEd25519); !ok {
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return nil, fmt.Errorf("unexpected signing method: %v", token.Header["alg"])
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}
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publicKey := portal.Identity()
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return publicKey, nil
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})
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if err != nil {
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http.Error(w, err.Error(), http.StatusBadRequest)
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return
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}
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if _, ok := token.Claims.(jwt.MapClaims); ok && token.Valid {
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h.ServeHTTP(w, r)
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} else {
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http.Error(w, "Invalid JWT", http.StatusUnauthorized)
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}
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})
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})(handler)
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}
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