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# coding: utf-8
 
import sys
import os
import urllib.request
import requests
import json
import re
from selenium import webdriver
from urllib.parse import urlencode

__author__ = "Jaejin Jang<jaejin_me@naver.com>"

class naverMgr:
	def __init__(self, **kwargs):
		self.options = webdriver.ChromeOptions()
		self.options.add_argument('headless')
		self.options.add_argument("user-agent=Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/78.0.3904.108 Safari/537.36")
		self.webdriverpath = os.getcwd() + r"\chromedriver.exe"

	def get_logintoken(self, id, pw, cid, csec, cburl):
		driver = webdriver.Chrome(self.webdriverpath, options=self.options)
		driver.implicitly_wait(5)

		driver.get('https://nid.naver.com/nidlogin.login')
		driver.execute_script("document.getElementsByName('id')[0].value=\'"+ id + "\'")
		driver.execute_script("document.getElementsByName('pw')[0].value=\'"+ pw + "\'")
		driver.find_element_by_xpath('//*[@id="label_login_chk"]').click()
		driver.find_element_by_xpath('//*[@id="frmNIDLogin"]/fieldset/input').click()
		driver.implicitly_wait(10)
		
		state = "TEST" #아무거나 상관없음
		req_url = 'https://nid.naver.com/oauth2.0/authorize?response_type=code&client_id=%s&redirect_uri=%s&state=%s' % (cid, cburl, state)
		response = requests.request(method='GET', url=req_url, headers={ "Content-Type": "application/json;charset=UTF-8" })

		driver.get(req_url)
		driver.implicitly_wait(5)

		# 첫 실행시 블로그글쓰기 권한 체크위해를 위한 코드
		try:
			driver.find_element_by_xpath('//*[@id="profile_optional_list"]/span/label').click()
			driver.find_element_by_xpath('//*[@id="content"]/div[4]/div[2]/button').click()
		except:
			pass
		
		redirect_url = driver.current_url
		temp = re.split('code=', redirect_url)
		code = re.split('&state=', temp[1])[0]
		driver.quit()
		
		url = 'https://nid.naver.com/oauth2.0/token?'
		data = 'grant_type=authorization_code' + '&client_id=' + cid + '&client_secret=' + csec + '&redirect_uri=' + cburl + '&code=' + code + '&state=' + state
		request = urllib.request.Request(url, data=data.encode("utf-8"))
		request.add_header('X-Naver-Client-Id', cid)
		request.add_header('X-Naver-Client-Secret', cburl)

		response = urllib.request.urlopen(request)
		rescode = response.getcode()
		
		if rescode == 200:
			response_body = response.read()
			js = json.loads(response_body.decode('utf 8'))
			token = js['access_token']
			return token
		else:
			print("Error Code:", rescode)
			return ""

	def write_product(self, blogtoken, title, contents):
		blogheader = "Bearer " + blogtoken # Bearer 다음에 공백 추가
		blogwriteapi = "https://openapi.naver.com/blog/writePost.json"
		blogdata = {'title': title, 'contents': contents}
		blogheaders = {'Authorization': blogheader }

		response = requests.post(blogwriteapi, headers=blogheaders, data=blogdata)
		rescode = response.status_code
		return rescode

if __name__ == '__main__':
	id = ''
	pw = ''
	client_id = ''
	client_secret = ''
	callback_url = 'http://localhost:8080/'

	nav = naverMgr()
	token = nav.get_logintoken(id, pw, client_id, client_secret, callback_url)

	title = '제목'
	contents = '내용'
	ret = nav.write_product(token, title, contents)
	if (ret == 200):
		print('성공')
	else:
		print('실패')

	pass