Gist by paste.py @ 2014-08-08 11:19:22.752072

machine_mine.py

#!/usr/bin/env python
# -*- encoding: utf-8 -*-

import requests
import requests.exceptions
import sys
import datetime
import time
import random

# Step 0: Initialize environment

# Fuck ASCII

reload(sys)
sys.setdefaultencoding('UTF-8')
del sys.setdefaultencoding

req = requests.Session()
req.headers['User-Agent'] = 'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/38.0.2107.3 Safari/537.36'
req.headers['Accept-Language'] = 'Accept-Language:en-US,en;q=0.8,zh-CN;q=0.6,zh;q=0.4,zh-TW;q=0.2'
req.headers['Accept'] = 'text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8'
req.headers['Accept-Encoding'] = ''
req.headers['Cache-Control'] = 'max-age=0'

# Step 1: Go to UIS, fetch some cookie.

url1 = 'https://uis2.fudan.edu.cn/amserver/UI/Login?goto=http://tac.fudan.edu.cn/thirds/yiban.act'
req.get(url1)

# Step 2: Post to UIS, login & redirect to yiban.

stuid = 'STUID'
passwd = 'PASSWORD'

frm = {
	'IDToken0'		: '',
	'IDToken1'		: stuid,
	'IDToken2'		: passwd,
	'IDButton'		: 'Submit',
	'goto'			: 'aHR0cDovL3RhYy5mdWRhbi5lZHUuY24vdGhpcmRzL3lpYmFuLmFjdA==', # http://tac.fudan.edu.cn/thirds/yiban.act
	'encoded'		: 'true',
	'inputCode'		: '',
	'gx_charset'	: 'UTF-8',
}

url2 = 'https://uis2.fudan.edu.cn/amserver/UI/Login'

resp = req.post(url2, data=frm, headers={
	'Referer'	: url1,
}, allow_redirects=True)

if not resp.history:
	print 'Login Failed ...'
	sys.exit(1)

assert resp.url.startswith('http://fudan.yiban.cn/')

print 'UIS Login OK. Yiban Login OK.'

# Step 3: Fetch the post.

url3 = 'http://fudan.yiban.cn/eclass/show?eclass_id=61528&area=61528&aid=10022482'
req.get(url3)

# Step 4: (Loop!) Some silly ajax.

expect_time = datetime.datetime(2014, 8, 8, 2, 0, 0, 0) # GMT Time, CST is GMT+0800
url4 = 'http://fudan.yiban.cn/ajax/member_sys/frontend/check_tiezi_reply.php'

seg_min, seg_max = 30, 60

while True:
	try:
		resp = req.post(url4, data={}, headers={
			'Referer'			: url3,
			'X-Requested-With'	: 'XMLHttpRequest',
		}, timeout=3)
	except requests.exceptions.RequestException as e:
		print '[Request Exception] %s' % str(e)
		continue
	print '[DEBUG] AJAX Response: ' + resp.text
	
	cur = datetime.datetime.strptime(resp.headers['Date'], '%a, %d %b %Y %H:%M:%S %Z')
	print 'Server Time: %s' % str(cur)
	left = (expect_time - cur).seconds
	print 'Time left: %d seconds' % left

	if left < seg_max:
		print 'Will open soon! Final sleep ...'
		time.sleep(max(left - 0.5, 0))
		break

	sleep_length = seg_min + (seg_max - seg_min) * random.random()
	print 'Sleep %.2f seconds ... ' % sleep_length
	time.sleep(sleep_length)

	if random.randint(1, 5) == 1:
		print 'Randomly refresh page ...'
		try:
			req.get(url3, timeout=3)
		except requests.exceptions.RequestException as e:
			print 'Refresh error ... Ignored.'

# Step 5: POST!

print 'GO! GO! GO!'

# content = 'Timing test. Plz just ignore this :) \n' + server_time
content = '余一夫、杨皓然、丁戍、章凌豪 + 711房间'

frm2 = {
	'P_text'	: content,
	'button'	: '回复中',
}

url5 = 'http://fudan.yiban.cn/reply_store.php?area=61528&aid=10022482'

while True:
	try:
		resp = req.post(url5, data=frm2, headers={
			'Referer'	: url3,
		}, timeout=3)
		break
	except requests.exceptions.RequestException as e:
		continue

cur = datetime.datetime.strptime(resp.headers['Date'], '%a, %d %b %Y %H:%M:%S %Z')

print 'POST Done. Response status: ' + str(resp.status_code)
print 'Response time: ' + str(cur)