bug fix (e81bce63) · Commits · Zeyu DONG / CAS_Auto_Login

CAS_Auto_Login.py

+20 −23

Original line number	Diff line number	Diff line
		import requests
		from bs4 import BeautifulSoup
		from time import sleep
		import json
		import sys
		import os
		import logging
		import os
		import re
		import sys
		from time import sleep

		import requests
		from bs4 import BeautifulSoup

		config = None
		logging.basicConfig(format="%(asctime)s - %(levelname)s - %(message)s", level=logging.DEBUG)


		def load_config():
		global config
		with open('config.json') as f:
		with open('./config.json') as f:
		config = json.load(f)
		return config

		@@ -25,27 +24,25 @@ def main():
		except OSError:
		pass
		logging.info('Reading configurations...')
		global config
		config = load_config()
		times_retry_login = config['max_times_retry_login']
		test_url = config['captive_portal_server'] + '/generate_204'
		test_url = config['captive_portal_server']
		logging.info('Configurations successfully imported.')
		while True:
		logging.info('Checking network status...')
		try:
		login = requests.Session()
		test = login.get(test_url, timeout=30)
		except:
		except requests.RequestException:
		logging.info('Connection FAILED. Try again in ' + str(config['interval_retry_connection']) + ' sec.')
		sleep(config['interval_retry_connection'])
		continue
		while test.status_code != 204:

		soup_login = BeautifulSoup(test.content, 'html5lib')
		if 'CAS' not in soup_login.title.string:
		logging.warning('Not connected to a SUSTC network')
		sleep(config['interval_retry_connection'])
		break
		continue

		logging.info('You are offline. Starting login...')

		@@ -73,7 +70,6 @@ def main():
		url = 'https://cas.sustc.edu.cn{}'.format(action)

		h = {

		'Cache-Control': 'max-age=0',
		'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,/;q=0.8',
		'Origin': 'http://cas.sustc.edu.cn',
		@@ -81,7 +77,8 @@ def main():
		'Content-Type': 'application/x-www-form-urlencoded',
		'DNT': '1',
		'Referer': url,
		'Accept-Encoding': 'gzip, deflate', 'Accept-Language': 'en-US,en;q=0.8,zh-CN;q=0.6,zh;q=0.4'
		'Accept-Encoding': 'gzip, deflate',
		'Accept-Language': 'en-US,en;q=0.8,zh-CN;q=0.6,zh;q=0.4'
		}

		logging.info('Login as ' + config['username'])
		@@ -96,23 +93,23 @@ def main():
		logging.error('An error occurred.')
		logging.error(err.h2.text)
		logging.error(err.p.text)
		if times_retry_login > 0: # If keep trying to login too many times, it may trigger security alarm on the CAS server
		if times_retry_login > 0:
		# If keep trying to login too many times, it may trigger security alarm on the CAS server
		logging.info(
		'Login FAILED. Try again in ' + str(config['interval_retry_login']) + ' sec. ' + str(
		times_retry_login) + r' attempt(s) remaining.')
		'Login FAILED. Try again in {time} sec. {attempt} attempt(s) remaining.'
		.format(time=config['interval_retry_login'], attempt=times_retry_login))
		else:
		logging.info('Login FAILED.' + r'Attempts used up. The program will quit.')
		logging.info('Login FAILED. Attempts used up. The program will quit.')
		sys.exit('Login FAILED')

		sleep(config['interval_retry_login'])

		elif success:
		logging.info('Login successful')
		times_retry_login = config['max_times_retry_login']
		logging.info('Login attempts reset to ' + str(times_retry_login) + ' .')
		logging.info('Login attempts reset to {attempt}.'.format(attempt=times_retry_login))
		break

		logging.info('Online. Re-check status in ' + str(config['interval_check_status']) + ' sec.')
		logging.info('Online. Re-check status in {time} sec.'.format(time=config['interval_check_status']))

		sleep(config['interval_check_status'])

README.md

+7 −7

Original line number	Diff line number	Diff line
		@@ -2,13 +2,13 @@
		SUSTC network account auto login. Coded in Python.
		Java version with GUI (discontinued): [caslogin-gui](https://github.com/CubicPill/caslogin-gui)
		## Requirements
		Python 2.7+
		Python3
		requests 2.10.0
		BeautifulSoup4

		## Configuration items

		>'captive_portal_server': see [here](https://www.noisyfox.cn/45.html). Default is "http://captive.v2ex.co"
		>'captive_portal_server': see [here](https://www.noisyfox.cn/45.html). Default is "http://captive.v2ex.co/generate_204"
		'username': Your SUSTC studnet ID
		'password': CAS login password
		'interval_retry_connection': In second. If the status check failed (e.g. the server was down or there is no Internet connection), how long the program will wait before next attempt. Default value is 30.

config_sample.json

+9 −1

Original line number	Diff line number	Diff line
		{"captive_portal_server": "http://captive.v2ex.co", "interval_retry_connection": 30, "max_times_retry_login": 5, "interval_retry_login": 30, "interval_check_status": 60, "password": "YOUR_PASSWD", "username": "YOUR_ID"}
		No newline at end of file
		{
		"captive_portal_server": "http://captive.v2ex.co/generate_204",
		"interval_retry_connection": 30,
		"max_times_retry_login": 5,
		"interval_retry_login": 30,
		"interval_check_status": 60,
		"password": "YOUR_PASSWD",
		"username": "YOUR_ID"
		}
		No newline at end of file

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