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import base64
from flask import Flask, redirect, request
import os
import requests
from urllib.parse import urlencode
app = Flask(__name__)
# Credenciais da aplicação no Bling
CLIENT_ID = 'c4c47013a68b1d18b39683fa50a57defa11570ec'
CLIENT_SECRET = 'a3be2fe1d779a9bc270284d34f5c73c32c66bc1a43320ffa8159b3955ca0'
AUTHORIZATION_URL = 'https://bling.com.br/Api/v3/oauth/authorize'
TOKEN_URL = "https://bling.com.br/Api/v3/oauth/token"
# URL de redirecionamento (deve corresponder à configurada no Bling)
REDIRECT_URI = 'https://a5db-2804-2164-106f-b900-d9ba-3dc2-100b-7cc8.ngrok-free.app/oauth/bling'
@app.route('/', methods=['GET'])
def auth_bling():
# Gera um estado aleatório para proteção contra CSRF
state = os.urandom(16).hex()
# Parâmetros para a URL de autorização
params = {
'response_type': 'code',
'client_id': CLIENT_ID,
'state': state,
'redirect_uri': REDIRECT_URI
}
# https://www.bling.com.br/Api/v3/oauth/authorize?response_type=code&client_id=c4c47013a68b1d18b39683fa50a57defa11570ec&state=3385a9fad555857b966385f35de9517a
# Redireciona o usuário para a página de autorização do Bling
redirect_url = f'{AUTHORIZATION_URL}?{urlencode(params)}'
return redirect(redirect_url)
@app.route('/oauth/bling', methods=['GET'])
def oauth_callback():
code = request.args.get('code')
auth_header = base64.b64encode(f"{CLIENT_ID}:{CLIENT_SECRET}".encode()).decode()
headers = {
'Authorization': f"Basic {auth_header}",
'Content-Type': 'application/x-www-form-urlencoded',
}
data = {
'grant_type': 'authorization_code',
'code': code,
'redirect_uri': REDIRECT_URI
}
# Faz a requisição para obter o token de acesso
response = requests.post(TOKEN_URL, headers=headers, data=data)
token_data = response.json()
access_token = token_data['access_token']
return f"Token de acesso: {access_token}", 200
if __name__ == '__main__':
app.run(debug=True, port=8080)