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README.md

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+# Sitemap Generator CLI
+A command line interface for my sitemap generator written in Go (golang).
+
+## Installation
+	go get -u github.com/webguerilla/sitemapgenerator-cli
+	cd $GOPATH/github.com/webguerilla/sitemapgenerator-cli
+	go install

main.go

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+package main
+
+import (
+	"encoding/base64"
+	"flag"
+	"fmt"
+	"io/ioutil"
+	"log"
+	"net/http"
+	"os"
+	"time"
+)
+
+func main() {
+	log.SetFlags(0)
+
+	tokenPath := flag.String("tokenpath", "", "path to the token file")
+	flag.Parse()
+
+	token, ok := readToken(*tokenPath)
+	if !ok {
+		log.Println("could not read token from file")
+		return
+	}
+
+	url := flag.Arg(0)
+	if url == "" {
+		log.Printf("usage: %s [flags] url\n", os.Args[0])
+		return
+	}
+
+	for {
+		if body, contentType, ok := doRequest(url, token); ok {
+			if contentType == "application/xml" {
+				fmt.Println(body)
+				return
+			}
+		} else {
+			log.Println("request failed")
+			return
+		}
+		time.Sleep(1 * time.Second)
+	}
+}
+
+func readToken(tokenPath string) (string, bool) {
+	if tokenPath == "" {
+		return "", true
+	}
+
+	bytes, err := ioutil.ReadFile(tokenPath)
+	if err != nil {
+		log.Println(err)
+		return "", false
+	}
+
+	return fmt.Sprintf("%s", bytes), true
+}
+
+func doRequest(url, token string) (string, string, bool) {
+	urlBase64 := base64.URLEncoding.EncodeToString([]byte(url))
+
+	req, err := http.NewRequest("GET", "https://api.marcobeierer.com/sitemap/v2/"+urlBase64, nil)
+	if err != nil {
+		log.Println(err)
+		return "", "", false
+	}
+
+	if token != "" {
+		req.Header.Set("Authorization", "Bearer "+token)
+	}
+
+	resp, err := http.DefaultClient.Do(req)
+	if err != nil {
+		log.Println(err)
+		return "", "", false
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode != http.StatusOK {
+		log.Printf("got status code %d, expected 200\n", resp.StatusCode)
+		return "", "", false
+	}
+
+	bytes, err := ioutil.ReadAll(resp.Body)
+	if err != nil {
+		log.Println(err)
+		return "", "", false
+	}
+
+	contentType := resp.Header.Get("content-type")
+
+	return string(bytes), contentType, true
+}