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Original file line number | Diff line number | Diff line change |
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// Copyright 2022 The Gitea Authors. All rights reserved. | ||
// Use of this source code is governed by a MIT-style | ||
// license that can be found in the LICENSE file. | ||
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package sitemap | ||
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import ( | ||
"bytes" | ||
"encoding/xml" | ||
"fmt" | ||
"io" | ||
"time" | ||
) | ||
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// sitemapFileLimit contains the maximum size of a sitemap file | ||
const sitemapFileLimit = 50 * 1024 * 1024 | ||
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// Url represents a single sitemap entry | ||
type URL struct { | ||
URL string `xml:"loc"` | ||
LastMod *time.Time `xml:"lastmod,omitempty"` | ||
} | ||
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// SitemapUrl represents a sitemap | ||
type Sitemap struct { | ||
XMLName xml.Name | ||
Namespace string `xml:"xmlns,attr"` | ||
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URLs []URL `xml:"url"` | ||
} | ||
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// NewSitemap creates a sitemap | ||
func NewSitemap() *Sitemap { | ||
return &Sitemap{ | ||
XMLName: xml.Name{Local: "urlset"}, | ||
Namespace: "http://www.sitemaps.org/schemas/sitemap/0.9", | ||
} | ||
} | ||
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// NewSitemap creates a sitemap index. | ||
func NewSitemapIndex() *Sitemap { | ||
return &Sitemap{ | ||
XMLName: xml.Name{Local: "sitemapindex"}, | ||
Namespace: "http://www.sitemaps.org/schemas/sitemap/0.9", | ||
} | ||
} | ||
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// Add adds a URL to the sitemap | ||
func (s *Sitemap) Add(u URL) { | ||
s.URLs = append(s.URLs, u) | ||
} | ||
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// Write writes the sitemap to a response | ||
func (s *Sitemap) WriteTo(w io.Writer) (int64, error) { | ||
if len(s.URLs) > 50000 { | ||
return 0, fmt.Errorf("The sitemap contains too many URLs: %d", len(s.URLs)) | ||
} | ||
buf := bytes.NewBufferString(xml.Header) | ||
if err := xml.NewEncoder(buf).Encode(s); err != nil { | ||
return 0, err | ||
} | ||
if err := buf.WriteByte('\n'); err != nil { | ||
return 0, err | ||
} | ||
if buf.Len() > sitemapFileLimit { | ||
return 0, fmt.Errorf("The sitemap is too big: %d", buf.Len()) | ||
} | ||
return buf.WriteTo(w) | ||
} |
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Original file line number | Diff line number | Diff line change |
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// Copyright 2022 The Gitea Authors. All rights reserved. | ||
// Use of this source code is governed by a MIT-style | ||
// license that can be found in the LICENSE file. | ||
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package sitemap | ||
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import ( | ||
"bytes" | ||
"encoding/xml" | ||
"fmt" | ||
"strings" | ||
"testing" | ||
"time" | ||
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"github.com/stretchr/testify/assert" | ||
) | ||
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func TestOk(t *testing.T) { | ||
testReal := func(s *Sitemap, name string, urls []URL, expected string) { | ||
for _, url := range urls { | ||
s.Add(url) | ||
} | ||
buf := &bytes.Buffer{} | ||
_, err := s.WriteTo(buf) | ||
assert.NoError(t, nil, err) | ||
assert.Equal(t, xml.Header+"<"+name+" xmlns=\"http://www.sitemaps.org/schemas/sitemap/0.9\">"+expected+"</"+name+">\n", buf.String()) | ||
} | ||
test := func(urls []URL, expected string) { | ||
testReal(NewSitemap(), "urlset", urls, expected) | ||
testReal(NewSitemapIndex(), "sitemapindex", urls, expected) | ||
} | ||
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ts := time.Unix(1651322008, 0).UTC() | ||
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test( | ||
[]URL{}, | ||
"", | ||
) | ||
test( | ||
[]URL{ | ||
{URL: "https://gitea.io/test1", LastMod: &ts}, | ||
}, | ||
"<url><loc>https://gitea.io/test1</loc><lastmod>2022-04-30T12:33:28Z</lastmod></url>", | ||
) | ||
test( | ||
[]URL{ | ||
{URL: "https://gitea.io/test2", LastMod: nil}, | ||
}, | ||
"<url><loc>https://gitea.io/test2</loc></url>", | ||
) | ||
test( | ||
[]URL{ | ||
{URL: "https://gitea.io/test1", LastMod: &ts}, | ||
{URL: "https://gitea.io/test2", LastMod: nil}, | ||
}, | ||
"<url><loc>https://gitea.io/test1</loc><lastmod>2022-04-30T12:33:28Z</lastmod></url>"+ | ||
"<url><loc>https://gitea.io/test2</loc></url>", | ||
) | ||
} | ||
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func TestTooManyURLs(t *testing.T) { | ||
s := NewSitemap() | ||
for i := 0; i < 50001; i++ { | ||
s.Add(URL{URL: fmt.Sprintf("https://gitea.io/test%d", i)}) | ||
} | ||
buf := &bytes.Buffer{} | ||
_, err := s.WriteTo(buf) | ||
assert.EqualError(t, err, "The sitemap contains too many URLs: 50001") | ||
} | ||
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func TestSitemapTooBig(t *testing.T) { | ||
s := NewSitemap() | ||
s.Add(URL{URL: strings.Repeat("b", sitemapFileLimit)}) | ||
buf := &bytes.Buffer{} | ||
_, err := s.WriteTo(buf) | ||
assert.EqualError(t, err, "The sitemap is too big: 52428931") | ||
} |
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