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// Copyright 2017 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT

package integration

import (
	"net/http"
	"strings"
	"testing"

	"code.gitea.io/gitea/models/unittest"
	user_model "code.gitea.io/gitea/models/user"
	"code.gitea.io/gitea/modules/setting"
	"code.gitea.io/gitea/tests"

	"github.com/stretchr/testify/assert"
)

func TestCsrfProtection(t *testing.T) {
	defer tests.PrepareTestEnv(t)()

	// test web form csrf via form
	user := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 2})
	session := loginUser(t, user.Name)
	req := NewRequestWithValues(t, "POST", "/user/settings", map[string]string{
		"_csrf": "fake_csrf",
	})
	session.MakeRequest(t, req, http.StatusSeeOther)

	resp := session.MakeRequest(t, req, http.StatusSeeOther)
	loc := resp.Header().Get("Location")
	assert.Equal(t, setting.AppSubURL+"/", loc)
	resp = session.MakeRequest(t, NewRequest(t, "GET", loc), http.StatusOK)
	htmlDoc := NewHTMLParser(t, resp.Body)
	assert.Equal(t, "Bad Request: invalid CSRF token",
		strings.TrimSpace(htmlDoc.doc.Find(".ui.message").Text()),
	)

	// test web form csrf via header. TODO: should use an UI api to test
	req = NewRequest(t, "POST", "/user/settings")
	req.Header.Add("X-Csrf-Token", "fake_csrf")
	session.MakeRequest(t, req, http.StatusSeeOther)

	resp = session.MakeRequest(t, req, http.StatusSeeOther)
	loc = resp.Header().Get("Location")
	assert.Equal(t, setting.AppSubURL+"/", loc)
	resp = session.MakeRequest(t, NewRequest(t, "GET", loc), http.StatusOK)
	htmlDoc = NewHTMLParser(t, resp.Body)
	assert.Equal(t, "Bad Request: invalid CSRF token",
		strings.TrimSpace(htmlDoc.doc.Find(".ui.message").Text()),
	)
}