initialize

Author: delirehberi

license.txt

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+MIT License
+
+Copyright (c) [year] [fullname]
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

main.go

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+package main
+
+import (
+	"encoding/xml"
+	"fmt"
+	"log"
+	"net/http"
+	"os"
+)
+
+// URLSet is root for site mite
+type URLSet struct {
+	XMLName xml.Name `xml:"urlset"`
+	XMLNs   string   `xml:"xmlns,attr"`
+	URL     []URL    `xml:"url"`
+}
+
+// URL is for every single location url
+type URL struct {
+	Loc string `xml:"loc"`
+}
+
+func main() {
+	if len(os.Args) < 3 {
+		help()
+	}
+	sitemapURL := os.Args[1]
+	outputFileName := os.Args[2]
+	resp, err := http.Get(sitemapURL)
+	if err != nil {
+		log.Printf("Urls cannot fetched: %s\n", sitemapURL)
+		log.Println(err)
+		os.Exit(1)
+	}
+	rawXMLData := readXMLFromResponse(resp)
+	urlSet := URLSet{}
+
+	err = xml.Unmarshal(rawXMLData, &urlSet)
+	if err != nil {
+		log.Printf("Sitemap cannot parsed. Because: %s", err)
+		os.Exit(1)
+	}
+	c := make(chan string)
+	validURLs := []string{}
+	for _, url := range urlSet.URL {
+		go checkURL(url.Loc, c, &validURLs)
+	}
+
+	for range urlSet.URL {
+		fmt.Println(<-c)
+	}
+
+	newURLSet := URLSet{
+		XMLNs: urlSet.XMLNs,
+	}
+	for _, url := range validURLs {
+		newURL := URL{
+			Loc: url,
+		}
+		newURLSet.URL = append(newURLSet.URL, newURL)
+	}
+	newRawXML, err := xml.Marshal(newURLSet)
+	if err != nil {
+		fmt.Println(err)
+		os.Exit(1)
+	}
+
+	err = saveValidSiteMap(outputFileName, newRawXML)
+	if err != nil {
+		fmt.Println("I can`₺ write valid sitemap. Error: ", err)
+		os.Exit(1)
+	}
+	fmt.Println("File writed to ", outputFileName, "and closed")
+}
+
+func readXMLFromResponse(resp *http.Response) []byte {
+	var rawXMLData []byte
+	for {
+		content := make([]byte, 1024)
+		n, _ := resp.Body.Read(content)
+		for _, d := range content {
+			rawXMLData = append(rawXMLData, d)
+		}
+		if n == 0 {
+			break
+		}
+	}
+	return rawXMLData
+}
+func checkURL(url string, c chan string, validURLs *[]string) {
+	resp, err := http.Get(url)
+	if err != nil {
+		c <- err.Error()
+	}
+	c <- fmt.Sprintf("Response code is %d for %s", resp.StatusCode, url)
+	if resp.StatusCode == 200 {
+		(*validURLs) = append((*validURLs), url)
+	}
+}
+func saveValidSiteMap(filename string, data []byte) error {
+	file, err := os.OpenFile(filename, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0777)
+	file.Write([]byte(xml.Header))
+	file.Write(data)
+	file.Close()
+	return err
+}
+
+func help() {
+	fmt.Printf(
+		`You have to type sitemap url and output file name
+Usage: checker http://sitename.com/sitemap.xml sitemap.xml
+`,
+	)
+	os.Exit(1)
+}

readme.md

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+## Sitemap Checker
+
+This tool helps you to make sure for url is valid in your sites sitemap file. 
+
+Usage: 
+
+` ./checker http://sitename.com/sitemap.xml output.xml `
+