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mirror of https://github.com/go-gitea/gitea.git synced 2025-04-18 00:47:48 -04:00
wxiaoguang 8a20fba8eb
Refactor markup render system ()
Remove unmaintainable sanitizer rules. No need to add special "class"
regexp rules anymore, use RenderInternal.SafeAttr instead, more details
(and examples) are in the tests
2024-11-18 13:25:42 +08:00

62 lines
1.9 KiB
Go

// Copyright 2024 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package internal
import (
"bytes"
"html/template"
"io"
"testing"
"github.com/stretchr/testify/assert"
)
func TestRenderInternal(t *testing.T) {
cases := []struct {
input, protected, recovered string
}{
{
input: `<div class="test">class="content"</div>`,
protected: `<div data-attr-class="sec:test">class="content"</div>`,
recovered: `<div class="test">class="content"</div>`,
},
{
input: "<div\nclass=\"test\" data-xxx></div>",
protected: `<div data-attr-class="sec:test" data-xxx></div>`,
recovered: `<div class="test" data-xxx></div>`,
},
}
for _, c := range cases {
var r RenderInternal
out := &bytes.Buffer{}
in := r.init("sec", out)
protected := r.ProtectSafeAttrs(template.HTML(c.input))
assert.EqualValues(t, c.protected, protected)
_, _ = io.WriteString(in, string(protected))
_ = in.Close()
assert.EqualValues(t, c.recovered, out.String())
}
var r1, r2 RenderInternal
protected := r1.ProtectSafeAttrs(`<div class="test"></div>`)
assert.EqualValues(t, `<div class="test"></div>`, protected, "non-initialized RenderInternal should not protect any attributes")
_ = r1.init("sec", nil)
protected = r1.ProtectSafeAttrs(`<div class="test"></div>`)
assert.EqualValues(t, `<div data-attr-class="sec:test"></div>`, protected)
assert.EqualValues(t, "data-attr-class", r1.SafeAttr("class"))
assert.EqualValues(t, "sec:val", r1.SafeValue("val"))
recovered, ok := r1.RecoverProtectedValue("sec:val")
assert.True(t, ok)
assert.EqualValues(t, "val", recovered)
recovered, ok = r1.RecoverProtectedValue("other:val")
assert.False(t, ok)
assert.Empty(t, recovered)
out2 := &bytes.Buffer{}
in2 := r2.init("sec-other", out2)
_, _ = io.WriteString(in2, string(protected))
_ = in2.Close()
assert.EqualValues(t, `<div data-attr-class="sec:test"></div>`, out2.String(), "different secureID should not recover the value")
}