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package main |
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import ( |
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"encoding/xml" |
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"fmt" |
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"net/http" |
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"net/url" |
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"os" |
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"path" |
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"time" |
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) |
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type SitemapIndex struct { |
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XMLName xml.Name `xml:"sitemapindex"` |
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XMLNs string `xml:"xmlns,attr"` |
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Sitemap []Sitemap `xml:"sitemap"` |
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} |
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type Sitemap struct { |
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Loc string `xml:"loc"` |
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LastMod string `xml:"lastmod,omitempty"` |
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} |
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type SitemapValidation struct { |
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IsValid bool |
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Sitemap Sitemap |
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} |
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func (s Sitemap) findFileName() string { |
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u, _ := url.Parse(s.Loc) |
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dir := path.Dir(u.Path) |
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if dir=="/" { |
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dir="." |
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} |
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filename := u.Path[len(dir):] |
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if _, err := os.Stat(dir); os.IsNotExist(err) != false { |
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os.MkdirAll(dir, 0777) |
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} |
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filename = dir + string(os.PathSeparator) + filename |
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return filename |
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} |
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func (si *SitemapIndex) validate() SitemapIndex { |
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validatedSitemapChannel := make(chan SitemapValidation) |
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for _, sitemap := range (*si).Sitemap { |
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go func(s Sitemap){ |
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s.validate(validatedSitemapChannel) |
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}(sitemap) |
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} |
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newSitemapIndex := SitemapIndex{ |
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XMLNs: si.XMLNs, |
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} |
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for i:=0;i<len((*si).Sitemap);i++ { |
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validatedSitemap := <-validatedSitemapChannel |
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if validatedSitemap.IsValid { |
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newSitemapIndex.Sitemap = append(newSitemapIndex.Sitemap, validatedSitemap.Sitemap) |
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}else{ |
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fmt.Printf("Url is dead: %s\n",validatedSitemap.Sitemap.Loc) |
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} |
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} |
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close(validatedSitemapChannel) |
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return newSitemapIndex |
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} |
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func (s *Sitemap) validate(sitemapChannel chan SitemapValidation) { |
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resp,err := http.Get((*s).Loc) |
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if err!=nil { |
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fmt.Println(err.Error) |
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return |
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} |
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validateSitemap := SitemapValidation { |
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Sitemap: (*s), |
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IsValid: true, |
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} |
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if resp.StatusCode != 200 { |
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validateSitemap.IsValid = false; |
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} |
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sitemapChannel <- validateSitemap |
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return |
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} |
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func (si *SitemapIndex) saveToFile(filename string) error { |
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m, err := xml.Marshal((*si)) |
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if err != nil { |
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return err |
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} |
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file, err := os.OpenFile(filename, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0777) |
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file.Write([]byte(xml.Header)) |
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file.Write(m) |
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file.Close() |
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return err |
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} |
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func batchProcess(uri string) { |
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resp, err := http.Get(uri) |
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if err != nil { |
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fmt.Printf("Url cannot fetched: %s\n", uri) |
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fmt.Println(err) |
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os.Exit(1) |
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} |
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rawXMLData := readXMLFromResponse(resp) |
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sitemapIndex := newSitemapIndexFromXML(rawXMLData) |
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sitemapIndexValidate(sitemapIndex) |
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} |
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func sitemapIndexValidate(sitemapIndex SitemapIndex) { |
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newSitemapIndex := sitemapIndex.validate() |
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for _, sitemap := range newSitemapIndex.Sitemap { |
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filename := sitemap.findFileName() |
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if Verbose {fmt.Printf("Filename is %s\n",filename)} |
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singleProcess(sitemap.Loc, filename) |
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time.Sleep(time.Second * 2) |
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} |
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newSitemapIndex.saveToFile(OutputFileName) |
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} |
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func newSitemapIndexFromXML(rawXMLData []byte) SitemapIndex { |
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sm := SitemapIndex{} |
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err := xml.Unmarshal(rawXMLData, &sm) |
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if err != nil { |
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fmt.Printf("Sitemap index cannot parsed. Because: %s", err) |
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return SitemapIndex{} |
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} |
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return sm |
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} |
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workouse /
sitemap-checker
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