Itu kutuphane otomasyon

renew.go

package main

import (
	"crypto/tls"
	"fmt"
	"io/ioutil"
	"log"
	"net/http"
	"net/http/cookiejar"
	"os"
	"strings"
	"time"
)

var (
	user       = "name=Necmi%2C+Duduk&code=123123123&pin=12313&submit.x=0&submit.y=0"
	renew      = "requestRenewAll=requestRenewAll&currentsortorder=current_duedate&currentsortorder=current_duedate"
	renewStep2 = "currentsortorder=current_duedate&renewall=YES&currentsortorder=current_duedate"
	client     *http.Client
)

func callITU(cl *http.Client, postData, url string) string {
	body := strings.NewReader(postData)
	req, err := http.NewRequest("POST", url, body)
	if err != nil {
		log.Fatal(err)
	}
	req.Header.Set("Connection", "keep-alive")
	req.Header.Set("Pragma", "no-cache")
	req.Header.Set("Cache-Control", "no-cache")
	req.Header.Set("Origin", "https://divit.library.itu.edu.tr")
	req.Header.Set("Upgrade-Insecure-Requests", "1")
	req.Header.Set("Dnt", "1")
	req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
	req.Header.Set("User-Agent", "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/72.0.3626.119 Safari/537.36")
	req.Header.Set("Accept", "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8")
	req.Header.Set("Referer", url)
	req.Header.Set("Accept-Language", "en-US,en;q=0.9,tr;q=0.8")

	resp, err := cl.Do(req)
	if err != nil {
		log.Fatal(err)
	}
	defer resp.Body.Close()

	bodyBytes, _ := ioutil.ReadAll(resp.Body)
	bodyString := string(bodyBytes)
	return bodyString
}
func doLogin(cl *http.Client) bool {
	call := callITU(cl, user, "https://divit.library.itu.edu.tr/patroninfo~S0")
	if strings.Contains(call, "You are logged into ITU Library Services") {
		return true
	}
	return false
}
func doRenew(cl *http.Client, postData, postData2 string) bool {
	var reqTo string = "https://divit.library.itu.edu.tr/patroninfo/123123123/items"
	call := callITU(cl, postData, reqTo)
	if !strings.Contains(call, "You are logged into ITU Library Services") {
		_ = doLogin(cl)
		return doRenew(cl, postData, postData2)
	}
	if strings.Contains(call, "will be renewed") {
		call = callITU(cl, postData2, reqTo)
		if strings.Contains(call, "RENEWED") {
			return true
		} else {
			return false
		}
	} else {
		return false
	}
	return false
}
func renewHandler(w http.ResponseWriter, r *http.Request) {
	check := doRenew(client, renew, renewStep2)
	if check {
		w.Write(([]byte("<title>SUCCESS</title>\nYENILENDI")))
	} else {
		w.Write(([]byte("<title>FAILED</title>\nYENILENEMEDI")))
	}
}
func determineListenAddress() (string, error) {
	port := os.Getenv("PORT")
	if port == "" {
		port = "3137"
	}
	return ":" + port, nil
}
func main() {
	cookieJar, _ := cookiejar.New(nil)
	tr := &http.Transport{
		TLSClientConfig: &tls.Config{InsecureSkipVerify: true},
	}
	client = &http.Client{
		Jar:       cookieJar,
		Transport: tr,
	}

	http.HandleFunc("/renew", renewHandler)
	go func() {
		addr, err := determineListenAddress()
		if err != nil {
			log.Fatal(err)
		}
		log.Fatal(http.ListenAndServe(addr, nil))
	}()
	fmt.Println("Server baslatildi!")

	//program ilk calistiginda kavanoza cerez salla
	_ = doLogin(client)
	func() {
		for {
			time.Sleep(time.Second)
		}
	}()
}