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path: root/internal/handlers/handler_authz_impl_authrequest.go
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package handlers

import (
	"fmt"
	"net/url"

	"github.com/valyala/fasthttp"

	"github.com/authelia/authelia/v4/internal/authorization"
	"github.com/authelia/authelia/v4/internal/middlewares"
)

func handleAuthzGetObjectAuthRequest(ctx *middlewares.AutheliaCtx) (object authorization.Object, err error) {
	var (
		targetURL *url.URL

		rawURL, method []byte
	)

	if rawURL = ctx.XOriginalURL(); len(rawURL) == 0 {
		return object, middlewares.ErrMissingXOriginalURL
	}

	if targetURL, err = url.ParseRequestURI(string(rawURL)); err != nil {
		return object, fmt.Errorf("failed to parse X-Original-URL header: %w", err)
	}

	if method = ctx.XOriginalMethod(); len(method) == 0 {
		return object, fmt.Errorf("header 'X-Original-Method' is empty")
	}

	if hasInvalidMethodCharacters(method) {
		return object, fmt.Errorf("header 'X-Original-Method' with value '%s' has invalid characters", method)
	}

	return authorization.NewObjectRaw(targetURL, method), nil
}

func handleAuthzUnauthorizedAuthRequest(ctx *middlewares.AutheliaCtx, authn *Authn, _ *url.URL) {
	ctx.Logger.Infof("Access to %s (method %s) is not authorized to user %s, responding with status code %d", authn.Object.URL.String(), authn.Method, authn.Username, fasthttp.StatusUnauthorized)
	ctx.ReplyUnauthorized()
}